diff --git a/examples/IndexedDBViewer.css b/examples/IndexedDBViewer.css
new file mode 100644
index 0000000..467020f
--- /dev/null
+++ b/examples/IndexedDBViewer.css
@@ -0,0 +1,163 @@
+#indexedDBViewer {
+ padding: 0px;
+ margin: 0px;
+ font-family: Courier;
+ font-size: 12px;
+ width: 100%;
+ position: absolute;
+ bottom: 0px;
+ right: 0px;
+ height: 100%;
+ z-index: 999999;
+ background-color: lightgray;
+ overflow: hidden;
+}
+
+#indexedDBViewer li {
+ padding: 0px;
+ margin: 0px;
+ list-style: none;
+}
+
+#indexedDBViewer ul {
+ list-style: none;
+ margin: 0px;
+ padding: 0px 0px 0px 15px;
+}
+
+#indexedDBViewer h1 {
+ padding: 0px 0px 5px 0px;
+ margin: 0px;
+ font-size: 14px;
+}
+
+#indexedDBViewerHeader {
+ height: 15px;
+ width: 100%;
+ cursor: row-resize;
+ text-align: right;
+}
+
+#indexedDBViewerHeader span {
+ cursor: pointer;
+ height: 13px;
+ width: 13px;
+ padding-left: 0px;
+ padding-right: 0px;
+ border: 1px solid black;
+ display: inline-block;
+ text-align: center;
+}
+
+#indexedDBViewerNavigation {
+ display: inline-block;
+ height: 100%;
+ width: auto;
+ min-width: 200px;
+ vertical-align: top;
+ padding: 2px 2px 2px 2px;
+ overflow: auto;
+}
+
+#indexedDBViewerContent {
+ display: inline-block;
+ height: 100%;
+ width: auto;
+ min-width: 400px;
+ vertical-align: top;
+ padding: 2px 2px 2px 12px;
+ overflow: auto;
+}
+
+#indexedDBViewerContentObjectStoresTable {
+ width: 100%
+}
+
+#indexedDBViewerContentObjectStoresRowHeaderName {
+ width: auto;
+ min-width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentObjectStoresRowHeaderKeyPath {
+ width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentObjectStoresRowHeaderAutoIncrement {
+ width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexTable {
+ width: 100%
+}
+
+#indexedDBViewerContentIndexRowHeaderName {
+ width: auto;
+ min-width: 150px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderKeyPath {
+ width: auto;
+ min-width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderObjectStore {
+ width: auto;
+ min-width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderMultiEntry {
+ width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderUnique {
+ width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentObjectStoreRowHeaderKey {
+ width: auto;
+ min-width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentObjectStoreRowHeaderValue {
+ width: auto;
+ min-width: 400px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderKey {
+ width: auto;
+ min-width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderPrimaryKey {
+ width: auto;
+ min-width: 100px;
+ text-align: left;
+}
+
+#indexedDBViewerContentIndexRowHeaderValue {
+ width: auto;
+ min-width: 400px;
+ text-align: left;
+}
+
+#indexedDBViewerContentObjectStoreTable td, #indexedDBViewerContentIndexTable td {
+ vertical-align: top;
+ text-align: left;
+ padding: 0px;
+ margin: 0px;
+ }
+
+#indexedDBViewer .clickable {
+ cursor: pointer;
+}
diff --git a/examples/IndexedDBViewer.js b/examples/IndexedDBViewer.js
new file mode 100644
index 0000000..e62a5fa
--- /dev/null
+++ b/examples/IndexedDBViewer.js
@@ -0,0 +1,317 @@
+///
+///
+
+$(function () {
+ function initializeViewer() {
+ var placeholder = $("#indexedDBViewer");
+ var dbName = placeholder.attr("data-dbName");
+ createHeader('indexedDBViewerHeader', placeholder);
+ var navigation = retrieveOrCreateElement('indexedDBViewerNavigation', 'div', placeholder);
+ var menu = retrieveOrCreateElement('indexedDBViewerMenu', 'ul', navigation);
+ var menuOverview = expandableListItem('indexedDBViewerMenuOverview', dbName, menu, viewDb, { dbName: dbName, objectStore: null, index: null });
+
+ navigation.addClass('nav');
+
+ linq2indexedDB.prototype.core.db(dbName).then(function () {
+ var connection = arguments[0][0];
+
+ linq2indexedDB.prototype.core.dbStructureChanged.addListener(linq2indexedDB.prototype.core.databaseEvents.databaseBlocked, function () {
+ connection.close();
+ });
+
+ var menuObjectStores = retrieveOrCreateElement('indexedDBViewerMenuObjectStores', 'ul', menuOverview);
+
+ for (var i = 0; i < connection.objectStoreNames.length; i++) {
+ var storeName = connection.objectStoreNames[i];
+ var menuObjectStore = expandableListItem('indexedDBViewerMenuObjectStore' + storeName, storeName, menuObjectStores, viewDb, { dbName: dbName, objectStore: storeName, index: null });
+
+ linq2indexedDB.prototype.core.objectStore(linq2indexedDB.prototype.core.transaction(connection, storeName, linq2indexedDB.prototype.core.transactionTypes.READ_ONLY, false), storeName).then(function (args) {
+ var store = args[1];
+
+ var menuObjectStore = retrieveOrCreateElement('indexedDBViewerMenuObjectStore' + storeName, 'li', menuObjectStores);
+ var menuIndexes = retrieveOrCreateElement('indexedDBViewerMenuObjectStore' + store.name + 'Indexes', 'ul', menuObjectStore);
+
+ for (var j = 0; j < store.indexNames.length; j++) {
+ var indexName = store.indexNames[i];
+ expandableListItem('indexedDBViewerMenuObjectStore' + store.name + 'Index' + indexName, indexName, menuIndexes, viewDb, { dbName: dbName, objectStore: store.name, index: indexName });
+ }
+ });
+ }
+ }, null, function (args) {
+ if (args[1].type == "upgradeneeded") {
+ args[0].abort();
+ }
+ });
+ }
+
+ function viewDb(e) {
+ var dbName = e.data.dbName;
+ var objectStore = e.data.objectStore;
+ var index = e.data.index;
+ var content = retrieveOrCreateElement('indexedDBViewerContent', 'div', $("#indexedDBViewer"));
+ content.empty();
+
+ if (objectStore != null) {
+ if (index != null) {
+ retrieveOrCreateElement('indexedDBViewerContentGeneral', 'h1', content).text(index);
+ }
+ else {
+ retrieveOrCreateElement('indexedDBViewerContentGeneral', 'h1', content).text(objectStore);
+ }
+ }
+
+ linq2indexedDB.prototype.core.db(dbName).then(function () {
+ var connection = arguments[0][0];
+
+ if (objectStore == null) {
+ retrieveOrCreateElement('indexedDBViewerContentGeneral', 'h1', content).text("General");
+ retrieveOrCreateElement('indexedDBViewerContentGeneralName', 'span', content).text("Name: " + connection.name);
+ content.append(" ");
+ retrieveOrCreateElement('indexedDBViewerContentGeneralVersion', 'span', content).text("Version: " + connection.version);
+ content.append(" ");
+ content.append(" ");
+
+ retrieveOrCreateElement('indexedDBViewerContentObjectStores', 'h1', content).text("Object stores");
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresTable', 'table', content);
+ content.append(" ");
+ content.append(" ");
+
+ retrieveOrCreateElement('indexedDBViewerContentIndex', 'h1', content).text("Indexes");
+ retrieveOrCreateElement('indexedDBViewerContentIndexTable', 'table', content);
+ content.append(" ");
+ }
+
+ linq2indexedDB.prototype.core.dbStructureChanged.addListener(linq2indexedDB.prototype.core.databaseEvents.databaseBlocked, function () {
+ connection.close();
+ });
+
+ for (var i = 0; i < connection.objectStoreNames.length; i++) {
+ var storeName = connection.objectStoreNames[i];
+ linq2indexedDB.prototype.core.objectStore(linq2indexedDB.prototype.core.transaction(connection, storeName, linq2indexedDB.prototype.core.transactionTypes.READ_ONLY, false), storeName).then(function (args) {
+ var store = args[1];
+ if (objectStore == null) {
+ viewObjectStoreDefinition(store.name, store.keyPath, store.autoIncrement, content);
+ }
+ else {
+ if (index == null && store.name == objectStore) {
+ linq2indexedDB.prototype.core.cursor(store).then(function () {
+
+ }, function () {
+ }, function (args1) {
+ var keyValue = args1[0];
+ viewObjectStoreData(keyValue.key, keyValue.data, content);
+ });
+ }
+ }
+ for (var j = 0; j < store.indexNames.length; j++) {
+ linq2indexedDB.prototype.core.index(store, store.indexNames[j], false).then(function (args1) {
+ var ix = args1[1];
+ if (objectStore == null) {
+ viewIndexDefinition(ix.name, ix.keyPath, ix.objectStore.name, ix.multiEntry || ix.multiRow, ix.unique, content);
+ }
+ else {
+ if (index != null && ix.name == index) {
+ linq2indexedDB.prototype.core.cursor(ix).then(function () {
+ var x = 1;
+ }, function () {
+ }, function (args1) {
+ var keyValue = args1[0];
+ viewIndexData(args1[1].key, args1[1].primaryKey, keyValue.data, content);
+ });
+ }
+ }
+ });
+ }
+ });
+ }
+
+ });
+ }
+
+ function viewObjectStoreDefinition(name, keyPath, autoIncrement, parent) {
+ var table = retrieveOrCreateElement('indexedDBViewerContentObjectStoresTable', 'table', parent);
+ var headerRow = retrieveOrCreateElement('indexedDBViewerContentObjectStoresRowHeader', 'tr', table);
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresRowHeaderName', 'th', headerRow).text("name");
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresRowHeaderKeyPath', 'th', headerRow).text("keyPath");
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresRowHeaderAutoIncrement', 'th', headerRow).text("autoIncrement");
+
+
+ var dataRow = retrieveOrCreateElement('indexedDBViewerContentObjectStoresRow' + name, 'tr', table);
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresRow' + name + 'Name', 'td', dataRow).text(name);
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresRow' + name + 'KeyPath', 'td', dataRow).text(keyPath);
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoresRow' + name + 'AutoIncrement', 'td', dataRow).text(autoIncrement);
+ }
+
+ function viewIndexDefinition(name, keyPath, objectStore, multiEntry, unique, parent) {
+ var table = retrieveOrCreateElement('indexedDBViewerContentIndexTable', 'table', parent);
+ var headerRow = retrieveOrCreateElement('indexedDBViewerContentIndexRowHeader', 'tr', table);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderName', 'th', headerRow).text("name");
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderKeyPath', 'th', headerRow).text("keyPath");
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderObjectStore', 'th', headerRow).text("objectStore");
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderMultiEntry', 'th', headerRow).text("multiEntry");
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderUnique', 'th', headerRow).text("unique");
+
+
+ var dataRow = retrieveOrCreateElement('indexedDBViewerContentIndexRow' + name, 'tr', table);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRow' + name + 'Name', 'td', dataRow).text(name);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRow' + name + 'KeyPath', 'td', dataRow).text(keyPath);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRow' + name + 'ObjectStore', 'td', dataRow).text(objectStore);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRow' + name + 'MultiEntry', 'td', dataRow).text(multiEntry);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRow' + name + 'Unique', 'td', dataRow).text(unique);
+ }
+
+ function viewObjectStoreData(key, value, parent) {
+ var table = retrieveOrCreateElement('indexedDBViewerContentObjectStoreTable', 'table', parent);
+ var headerRow = retrieveOrCreateElement('indexedDBViewerContentObjectStoreRowHeader', 'tr', table);
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoreRowHeaderKey', 'th', headerRow).text("key");
+ retrieveOrCreateElement('indexedDBViewerContentObjectStoreRowHeaderValue', 'th', headerRow).text("value");
+
+
+ var dataRow = retrieveOrCreateElement('indexedDBViewerContentObjectStoreRow' + key, 'tr', table);
+ viewData(key, retrieveOrCreateElement('indexedDBViewerContentObjectStoreRow' + key + 'Key', 'td', dataRow));
+ viewData(value, retrieveOrCreateElement('indexedDBViewerContentObjectStoreRow' + key + 'Value', 'td', dataRow));
+ }
+
+ function viewIndexData(key, primaryKey, value, parent) {
+ var table = retrieveOrCreateElement('indexedDBViewerContentIndexTable', 'table', parent);
+ var headerRow = retrieveOrCreateElement('indexedDBViewerContentIndexRowHeader', 'tr', table);
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderKey', 'th', headerRow).text("key");
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderPrimaryKey', 'th', headerRow).text("primary key");
+ retrieveOrCreateElement('indexedDBViewerContentIndexRowHeaderValue', 'th', headerRow).text("value");
+
+
+ var dataRow = retrieveOrCreateElement('indexedDBViewerContentIndexRow' + primaryKey, 'tr', table);
+ viewData(key, retrieveOrCreateElement('indexedDBViewerContentIndexRow' + primaryKey + 'Key', 'td', dataRow));
+ viewData(primaryKey, retrieveOrCreateElement('indexedDBViewerContentIndexRow' + primaryKey + 'PrimaryKey', 'td', dataRow));
+ viewData(value, retrieveOrCreateElement('indexedDBViewerContentIndexRow' + primaryKey + 'Value', 'td', dataRow));
+ }
+
+ function viewData(value, parent, propName) {
+ var text;
+
+ if (propName) {
+ text = propName + value;
+ }
+ else {
+ parent = retrieveOrCreateElement(null, 'ul', parent);
+ text = value;
+ }
+
+ if (typeof (value) === "object" && !(value instanceof Date)) {
+ var object = expandableListItem(null, text, parent);
+ var properties = retrieveOrCreateElement(null, 'ul', object);
+ for (prop in value) {
+ viewData(value[prop], properties, prop + ": ");
+ }
+ object.find('.expendable')[0].click();
+ }
+ else {
+ retrieveOrCreateElement(null, 'li', parent).text(text);
+ }
+ }
+
+ function expandableListItem(id, text, parent, clickEvent, clickEventData) {
+ var li = retrieveOrCreateElement(id, 'li', parent);
+ var col = retrieveOrCreateElement(null, 'span', li);
+ col.text(' - ');
+ col.data('status', 'open');
+ col.click(function () {
+ if ($(this).data('status') == 'closed') {
+ $($($(this)[0].parentElement).find('ul')[0]).show();
+ col.text(' - ');
+ col.data('status', 'open');
+ }
+ else if ($(this).data('status') == 'open') {
+ $($($(this)[0].parentElement).find('ul')[0]).hide();
+ col.text(' + ');
+ col.data('status', 'closed');
+ }
+ });
+ col.addClass("clickable");
+ col.addClass("expendable");
+
+ var item = retrieveOrCreateElement(null, 'span', li);
+ item.text(text);
+
+ if (clickEvent) {
+ item.click(clickEventData, clickEvent);
+ item.addClass("clickable");
+ }
+
+ return li;
+ }
+
+ function createHeader(id, parent) {
+ var header = retrieveOrCreateElement(id, 'div', parent);
+ var col = retrieveOrCreateElement(null, 'span', header);
+ col.text(' - ');
+ col.data('status', 'open');
+ col.addClass("clickable");
+ col.addClass("expendable");
+ col.click(function () {
+ if ($(this).data('status') == 'closed') {
+ $('#indexedDBViewer').height(170);
+ $('#indexedDBViewer').width('100%');
+ $('#indexedDBViewerNavigation').show();
+ $('#indexedDBViewerContent').show();
+ col.text(' - ');
+ col.data('status', 'open');
+ }
+ else if ($(this).data('status') == 'open') {
+ $('#indexedDBViewer').height($(this).outerHeight());
+ $('#indexedDBViewer').width($(this).outerWidth());
+ $('#indexedDBViewerNavigation').hide();
+ $('#indexedDBViewerContent').hide();
+ col.text(' + ');
+ col.data('status', 'closed');
+ }
+ });
+ }
+
+ function retrieveOrCreateElement(id, element, parent) {
+ var el;
+
+ if (id && id != null && id != '') {
+ if ($('#' + id).length > 0) {
+ el = $('#' + id);
+ } else {
+ el = $('<' + element + ' id="' + id + '">' + element + '>');
+ parent.append(el);
+ }
+ }
+ else {
+ el = $('<' + element + '>' + element + '>');
+ parent.append(el);
+ }
+
+ return el;
+ }
+
+ initializeViewer();
+
+ // mousedown, mousemove, mouseup and mouseleave for resizing the placeholder
+ $(window).bind('mousedown', function (event) {
+ var location = $(window).height() - $("#indexedDBViewer").height();
+ if ((location - 2) <= event.pageY && event.pageY <= (location + 5)) {
+ $(window).bind('mousemove', resize);
+ }
+ });
+
+ $(window).bind('mouseup', function () {
+ $(window).unbind('mousemove', resize);
+ });
+
+ $(window).bind('mouseleave', function () {
+ $(window).unbind('mousemove', resize);
+ });
+
+ function resize(event) {
+ var pageHeight = $(window).height();
+ if (pageHeight - event.pageY >= 50) {
+ $("#indexedDBViewer").height(pageHeight - event.pageY);
+ var height = $("#indexedDBViewer").height() - $("#indexedDBViewerHeader").height();
+ $("#indexedDBViewerNavigation").height(height);
+ $("#indexedDBViewerContent").height(height);
+ }
+ }
+});
\ No newline at end of file
diff --git a/examples/IndexedDBViewer.zip b/examples/IndexedDBViewer.zip
new file mode 100644
index 0000000..80945ac
Binary files /dev/null and b/examples/IndexedDBViewer.zip differ
diff --git a/examples/Linq2IndexedDB.js b/examples/Linq2IndexedDB.js
new file mode 100644
index 0000000..cfe4670
--- /dev/null
+++ b/examples/Linq2IndexedDB.js
@@ -0,0 +1,3377 @@
+///
+///
+
+var linq2indexedDB;
+var enableLogging = false;
+
+// Initializes the linq2indexeddb object.
+(function () {
+ "use strict";
+
+ linq2indexedDB = function (name, configuration, enableDebugging) {
+ /// Creates a new or opens an existing database for the given name
+ /// The name of the database
+ ///
+ /// [Optional] provide comment
+ ///
+ ///
+
+ var dbConfig = {
+ autoGenerateAllowed: true
+ };
+
+ if (name) {
+ dbConfig.name = name;
+ }
+
+ if (configuration) {
+ if (configuration.version) {
+ dbConfig.version = configuration.version;
+ }
+ // From the moment the configuration is provided by the developper, autoGeneration isn't allowed.
+ // If this would be allowed, the developper wouldn't be able to determine what to do for which version.
+ if (configuration.schema) {
+ var appVersion = dbConfig.version || -1;
+ for (key in configuration.schema) {
+ if (typeof key === "number") {
+ appVersion = version > key ? version : key;
+ }
+ }
+ if (version > -1) {
+ dbConfig.autoGenerateAllowed = false;
+ dbConfig.version = appVersion;
+ dbConfig.schema = configuration.schema;
+ }
+ }
+ if (configuration.definition) {
+ dbConfig.autoGenerateAllowed = false;
+ dbConfig.definition = configuration.definition;
+ }
+ if (configuration.onupgradeneeded) {
+ dbConfig.autoGenerateAllowed = false;
+ dbConfig.onupgradeneeded = configuration.onupgradeneeded;
+ }
+ if (configuration.oninitializeversion) {
+ dbConfig.autoGenerateAllowed = false;
+ dbConfig.oninitializeversion = configuration.oninitializeversion;
+ }
+ }
+
+ var returnObject = {
+ utilities: linq2indexedDB.prototype.utilities,
+ core: linq2indexedDB.prototype.core,
+ linq: linq(dbConfig),
+ initialize: function () {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Initialize Started");
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ linq2indexedDB.prototype.core.db(dbConfig.name, dbConfig.version).then(function (args) /*db*/ {
+ var db = args[0];
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Close dbconnection");
+ db.close();
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Initialize Succesfull");
+ pw.complete();
+ }, pw.error, function (args) /*txn, e*/ {
+ var txn = args[0];
+ var e = args[1];
+ if (e.type == "upgradeneeded") {
+ upgradeDatabase(dbConfig, e.oldVersion, e.newVersion, txn);
+ }
+ });
+ });
+ },
+ deleteDatabase: function () {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ linq2indexedDB.prototype.core.deleteDb(dbConfig.name).then(function () {
+ pw.complete();
+ }, pw.error);
+ });
+ }
+ };
+
+ enableLogging = enableDebugging;
+ if (enableDebugging) {
+ returnObject.viewer = viewer(dbConfig);
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.warning, "Debugging enabled: be carefull when using in production enviroment. Complex objects get written to the log and may cause memory leaks.")
+
+ } else {
+ returnObject.viewer = null;
+ }
+
+
+ return returnObject;
+ };
+
+ function linq(dbConfig) {
+
+ var queryBuilderObj = function (objectStoreName) {
+ this.from = objectStoreName;
+ this.where = [];
+ this.select = [];
+ this.sortClauses = [];
+ this.get = [];
+ this.insert = [];
+ this.merge = [];
+ this.update = [];
+ this.remove = [];
+ this.clear = false;
+ };
+
+ queryBuilderObj.prototype = {
+ executeQuery: function () {
+ executeQuery(this);
+ }
+ };
+
+ function from(queryBuilder, objectStoreName) {
+ queryBuilder.from = objectStoreName;
+ return {
+ where: function (filter) {
+ /// Filters the selected data.
+ ///
+ /// The filter argument can be a string (In this case the string represents the property name you want to filter on) or a function.
+ /// (In this case the function will be used to filter the data. This callback function is called with 1 parameter: data
+ /// ,this argument holds the data that has to be validated. The return type of the function must be a boolean.)
+ ///
+ return where(queryBuilder, filter, true, false);
+ },
+ orderBy: function (propertyName) {
+ /// Sorts the selected data ascending.
+ /// The name of the property you want to sort on.
+ return orderBy(queryBuilder, propertyName, false);
+ },
+ orderByDesc: function (propertyName) {
+ /// Sorts the selected data descending.
+ /// The name of the property you want to sort on.
+ return orderBy(queryBuilder, propertyName, true);
+ },
+ select: function (propertyNames) {
+ /// Selects the data.
+ /// A list of the names of the properties you want to select.
+ /// A list with the selected objects.
+ return select(queryBuilder, propertyNames);
+ },
+ insert: function (data, key) {
+ /// inserts data.
+ /// The object you want to insert.
+ ///
+ /// [Optional] The key of the data you want to insert.
+ ///
+ /// The object that was inserted.
+ return insert(queryBuilder, data, key);
+ },
+ update: function (data, key) {
+ /// updates data.
+ /// The object you want to update.
+ ///
+ /// [Optional] The key of the data you want to update.
+ ///
+ /// The object that was updated.
+ return update(queryBuilder, data, key);
+ },
+ merge: function (data, key) {
+ /// merges data.
+ /// The data you want to merge.
+ ///
+ /// The key of the data you want to update.
+ ///
+ /// The object that was updated.
+ return merge(queryBuilder, data, key);
+ },
+ remove: function (key) {
+ /// Removes data from the objectstore by his key.
+ /// The key of the object you want to remove.
+ return remove(queryBuilder, key);
+ },
+ clear: function () {
+ /// Removes all data from the objectstore.
+ return clear(queryBuilder);
+ },
+ get: function (key) {
+ /// Gets an object by his key.
+ /// The key of the object you want to retrieve.
+ /// The object that has the provided key.
+ return get(queryBuilder, key);
+ }
+ };
+ }
+
+ function where(queryBuilder, filter, isAndClause, isOrClause, isNotClause) {
+ var whereClauses = {};
+ var filterMetaData;
+
+ if (isNotClause === "undefined") {
+ whereClauses.not = function () {
+ return where(queryBuilder, filter, isAndClause, isOrClause, true);
+ };
+ }
+
+ if (typeof filter === "function") {
+ filterMetaData = {
+ propertyName: filter,
+ isOrClause: isOrClause,
+ isAndClause: isAndClause,
+ isNotClause: (isNotClause === "undefined" ? false : isNotClause),
+ filter: linq2indexedDB.prototype.linq.createFilter("anonymous" + queryBuilder.where.length, filter, null)
+ };
+ return whereClause(queryBuilder, filterMetaData);
+ } else if (typeof filter === "string") {
+ // Builds up the where filter methodes
+ for (var filterName in linq2indexedDB.prototype.linq.filters) {
+ filterMetaData = {
+ propertyName: filter,
+ isOrClause: isOrClause,
+ isAndClause: isAndClause,
+ isNotClause: (typeof isNotClause === "undefined" ? false : isNotClause),
+ filter: linq2indexedDB.prototype.linq.filters[filterName]
+ };
+ if (typeof linq2indexedDB.prototype.linq.filters[filterName].filter !== "function") {
+ throw "Linq2IndexedDB: a filter methods needs to be provided for the filter '" + filterName + "'";
+ }
+ if (typeof linq2indexedDB.prototype.linq.filters[filterName].name === "undefined") {
+ throw "Linq2IndexedDB: a filter name needs to be provided for the filter '" + filterName + "'";
+ }
+
+ whereClauses[linq2indexedDB.prototype.linq.filters[filterName].name] = linq2indexedDB.prototype.linq.filters[filterName].filter(whereClause, queryBuilder, filterMetaData);
+ }
+ }
+ return whereClauses;
+ }
+
+ function whereClause(queryBuilder, filterMetaData) {
+ queryBuilder.where.push(filterMetaData);
+ return {
+ and: function (filter) {
+ /// Adds an extra filter.
+ ///
+ /// The filter argument can be a string (In this case the string represents the property name you want to filter on) or a function.
+ /// (In this case the function will be used to filter the data. This callback function is called with 1 parameter: data
+ /// ,this argument holds the data that has to be validated. The return type of the function must be a boolean.)
+ ///
+ return where(queryBuilder, filter, true, false);
+ },
+ or: function (filter) {
+ /// Adds an extra filter.
+ ///
+ /// The filter argument can be a string (In this case the string represents the property name you want to filter on) or a function.
+ /// (In this case the function will be used to filter the data. This callback function is called with 1 parameter: data
+ /// ,this argument holds the data that has to be validated. The return type of the function must be a boolean.)
+ ///
+ return where(queryBuilder, filter, false, true);
+ },
+ orderBy: function (propertyName) {
+ /// Sorts the selected data ascending.
+ /// The name of the property you want to sort on.
+ return orderBy(queryBuilder, propertyName, false);
+ },
+ orderByDesc: function (propertyName) {
+ /// Sorts the selected data descending.
+ /// The name of the property you want to sort on.
+ return orderBy(queryBuilder, propertyName, true);
+ },
+ select: function (propertyNames) {
+ /// Selects the data.
+ /// A list of the names of the properties you want to select.
+ return select(queryBuilder, propertyNames);
+ },
+ remove: function () {
+ return remove(queryBuilder);
+ },
+ merge: function (data) {
+ return merge(queryBuilder, data);
+ }
+ };
+ }
+
+ function orderBy(queryBuilder, propName, descending) {
+ queryBuilder.sortClauses.push({ propertyName: propName, descending: descending });
+ return {
+ orderBy: function (propertyName) {
+ /// Sorts the selected data ascending.
+ /// The name of the property you want to sort on.
+ return orderBy(queryBuilder, propertyName, false);
+ },
+ orderByDesc: function (propertyName) {
+ /// Sorts the selected data descending.
+ /// The name of the property you want to sort on.
+ return orderBy(queryBuilder, propertyName, true);
+ },
+ select: function (propertyNames) {
+ /// Selects the data.
+ /// A list of the names of the properties you want to select.
+ return select(queryBuilder, propertyNames);
+ }
+ };
+ }
+
+ function select(queryBuilder, propertyNames) {
+ if (propertyNames) {
+ if (!linq2indexedDB.prototype.utilities.isArray(propertyNames)) {
+ propertyNames = [propertyNames];
+ }
+
+ for (var i = 0; i < propertyNames.length; i++) {
+ queryBuilder.select.push(propertyNames[i]);
+ }
+ }
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ var returnData = [];
+ executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, executeWhere).then(function () {
+ pw.complete(this, returnData);
+ },pw.error, function(args) {
+ var obj = selectData(args[0].data, queryBuilder.select);
+ returnData.push(obj);
+ pw.progress(this, obj /*[obj]*/);
+ });
+ });
+ }
+
+ function insert(queryBuilder, data, key) {
+ queryBuilder.insert.push({ data: data, key: key });
+ return executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function (qb, pw, transaction) {
+ var objectStorePromis = linq2indexedDB.prototype.core.objectStore(transaction, qb.from);
+ if (linq2indexedDB.prototype.utilities.isArray(qb.insert[0].data) && !qb.insert[0].key) {
+ var returnData = [];
+ for (var i = 0; i < qb.insert[0].data.length; i++) {
+ linq2indexedDB.prototype.core.insert(objectStorePromis, qb.insert[0].data[i]).then(function (args /*storedData, storedkey*/) {
+ pw.progress(this, {object: args[0], key: args[1]}/*[storedData, storedkey]*/);
+ returnData.push({ object: args[0], key: args[1] });
+ if (returnData.length == qb.insert[0].data.length) {
+ pw.complete(this, returnData);
+ }
+ }, pw.error);
+ }
+ }
+ else {
+ linq2indexedDB.prototype.core.insert(objectStorePromis, qb.insert[0].data, qb.insert[0].key).then(function(args /*storedData, storedkey*/) {
+ pw.complete(this, {object: args[0], key: args[1]} /*[storedData, storedkey]*/);
+ }, pw.error);
+ }
+ });
+ }
+
+ function update(queryBuilder, data, key) {
+ queryBuilder.update.push({ data: data, key: key });
+ return executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function (qb, pw, transaction) {
+ linq2indexedDB.prototype.core.update(linq2indexedDB.prototype.core.objectStore(transaction, qb.from), qb.update[0].data, qb.update[0].key).then(function (args /*storedData, storedkey*/) {
+ pw.complete(this, {object: args[0], key: args[1]} /*[storedData, storedkey]*/);
+ }, pw.error);
+ });
+ }
+
+ function merge(queryBuilder, data, key) {
+ queryBuilder.merge.push({ data: data, key: key });
+ if (key) {
+ return executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function(qb, pw, transaction) {
+ var objectStore = linq2indexedDB.prototype.core.objectStore(transaction, qb.from);
+ var obj = null;
+ linq2indexedDB.prototype.core.cursor(objectStore, IDBKeyRange.only(qb.merge[0].key)).then(function() {
+ }, pw.error, function(args /*data*/) {
+ obj = args[0].data;
+ for (var prop in qb.merge[0].data) {
+ obj[prop] = qb.merge[0].data[prop];
+ }
+
+ args[0].update(obj);
+ pw.complete(this, obj);
+ }, pw.error);
+ });
+ }
+ else {
+ var returnData = [];
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, executeWhere).then(function (args) {
+ if (returnData.length > 0) {
+ pw.complete(this, returnData);
+ }
+ else {
+ executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function (qb, promise, transaction) {
+ linq2indexedDB.prototype.core.objectStore(transaction, qb.from).then(function (objectStoreArgs) {
+ for (var i = 0; i < args.length; i++) {
+ var obj = args[i];
+ for (var prop in queryBuilder.merge[0].data) {
+ obj[prop] = queryBuilder.merge[0].data[prop];
+ }
+ linq2indexedDB.prototype.core.update(objectStoreArgs[1], obj).then(function (args1 /*data*/) {
+ pw.progress(this, args1[0] /*[data]*/);
+ returnData.push(args1[0]);
+ if (returnData.length == args.length) {
+ promise.complete(this, returnData);
+ }
+ }, promise.error);
+ }
+ }, promise.error);
+ }).then(pw.complete, pw.error, pw.progress);
+ }
+ }, null, function (args) {
+ if (args[0].update) {
+ var obj = args[0].data;
+ for (var prop in queryBuilder.merge[0].data) {
+ obj[prop] = queryBuilder.merge[0].data[prop];
+ }
+
+ args[0].update(obj);
+ pw.progress(this, obj);
+ returnData.push(obj);
+ }
+ });
+ });
+ }
+ }
+
+ function remove(queryBuilder, key) {
+ if (key) {
+ queryBuilder.remove.push({ key: key });
+ return executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function (qb, pw, transaction) {
+ linq2indexedDB.prototype.core.remove(linq2indexedDB.prototype.core.objectStore(transaction, qb.from), qb.remove[0].key).then(function () {
+ pw.complete(this, queryBuilder.remove[0].key /*[queryBuilder.remove[0].key]*/);
+ }, pw.error);
+ });
+ }
+ else {
+ var cursorDelete = false;
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function(pw) {
+ executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, executeWhere).then(function (data) {
+ if (cursorDelete) {
+ pw.complete(this);
+ }
+ else {
+ executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function (qb, promise, transaction) {
+ linq2indexedDB.prototype.core.objectStore(transaction, qb.from).then(function (objectStoreArgs) {
+ var itemsDeleted = 0;
+ for (var i = 0; i < data.length; i++) {
+ linq2indexedDB.prototype.core.remove(objectStoreArgs[1], linq2indexedDB.prototype.utilities.getPropertyValue(data[i], objectStoreArgs[1].keyPath)).then(function(args1 /*data*/) {
+ pw.progress(this, args1[0] /*[data]*/);
+ if (++itemsDeleted == data.length) {
+ promise.complete(this);
+ }
+ }, promise.error);
+ }
+ }, promise.error);
+ }).then(pw.complete, pw.error, pw.progress);
+ }
+ }, null, function(args) {
+ if (args[0].remove) {
+ args[0].remove();
+ pw.progress(this);
+ cursorDelete = true;
+ }
+ });
+ });
+ }
+ }
+
+ function clear(queryBuilder) {
+ queryBuilder.clear = true;
+ return executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_WRITE, function (qb, pw, transaction) {
+ linq2indexedDB.prototype.core.clear(linq2indexedDB.prototype.core.objectStore(transaction, qb.from)).then(function () {
+ pw.complete(this);
+ }, pw.error);
+ });
+ }
+
+ function get(queryBuilder, key) {
+ queryBuilder.get.push({ key: key });
+ return executeQuery(queryBuilder, linq2indexedDB.prototype.core.transactionTypes.READ_ONLY, function (qb, pw, transaction) {
+ linq2indexedDB.prototype.core.get(linq2indexedDB.prototype.core.objectStore(transaction, qb.from), qb.get[0].key).then(function (args /*data*/) {
+ pw.complete(this, args[0] /*[data]*/);
+ }, pw.error);
+ });
+ }
+
+ function executeQuery(queryBuilder, transactionType, callBack) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ // Create DB connection
+ linq2indexedDB.prototype.core.db(dbConfig.name, dbConfig.version).then(function (args /* [db, event] */) {
+ // Opening a transaction
+ linq2indexedDB.prototype.core.transaction(args[0], queryBuilder.from, transactionType, dbConfig.autoGenerateAllowed).then(function (transactionArgs /* [transaction] */) {
+ var txn = transactionArgs[0];
+ txn.db.close();
+ // call complete if it isn't called already
+ //pw.complete();
+ },
+ pw.error,
+ function (transactionArgs /* [transaction] */) {
+ callBack(queryBuilder, pw, transactionArgs[0]);
+ });
+ }
+ , pw.error
+ , function (args /*txn, e*/) {
+ var txn = args[0];
+ var e = args[1];
+
+ // Upgrading the database to the correct version
+ if (e.type == "upgradeneeded") {
+ upgradeDatabase(dbConfig, e.oldVersion, e.newVersion, txn);
+ }
+ });
+ });
+ }
+
+ function executeWhere(queryBuilder, pw, transaction) {
+ linq2indexedDB.prototype.core.objectStore(transaction, queryBuilder.from).then(function (objArgs) {
+ try {
+ var objectStore = objArgs[1];
+ var whereClauses = queryBuilder.where || [];
+ var returnData = [];
+ var cursorPromise = determineCursor(objectStore, whereClauses);
+
+ cursorPromise.then(
+ function (args1 /*data*/) {
+ var data = args1[0];
+
+ linq2indexedDB.prototype.utilities.linq2indexedDBWorker(data, whereClauses, queryBuilder.sortClauses).then(function (d) {
+ // No need to notify again if it allready happend in the onProgress method of the cursor.
+ if (returnData.length == 0) {
+ for (var j = 0; j < d.length; j++) {
+ pw.progress(this, [d[j]] /*[obj]*/);
+ }
+ }
+ pw.complete(this, d /*[returnData]*/);
+ });
+ },
+ pw.error,
+ function (args1 /*data*/) {
+
+ // When there are no more where clauses to fulfill and the collection doesn't need to be sorted, the data can be returned.
+ // In the other case let the complete handle it.
+ if (whereClauses.length == 0 && queryBuilder.sortClauses.length == 0) {
+ returnData.push({ data: args1[0].data, key: args1[0].key });
+ pw.progress(this, args1 /*[obj]*/);
+ }
+ }
+ );
+ } catch (ex) {
+ // Handle errors like an invalid keyRange.
+ linq2indexedDB.prototype.core.abortTransaction(args[0]);
+ pw.error(this, [ex.message, ex]);
+ }
+ }, pw.error);
+ }
+
+ function determineCursor(objectStore, whereClauses) {
+ var cursorPromise;
+
+ // Checks if an indexeddb filter can be used
+ if (whereClauses.length > 0
+ && !whereClauses[0].isNotClause
+ && whereClauses[0].filter.indexeddbFilter
+ && (whereClauses.length == 1 || (whereClauses.length > 1 && !whereClauses[1].isOrClause))) {
+ var source = objectStore;
+ var indexPossible = dbConfig.autoGenerateAllowed || objectStore.indexNames.contains(whereClauses[0].propertyName + linq2indexedDB.prototype.core.indexSuffix);
+ // Checks if we can use an index
+ if (whereClauses[0].propertyName != objectStore.keyPath && indexPossible) {
+ source = linq2indexedDB.prototype.core.index(objectStore, whereClauses[0].propertyName, dbConfig.autoGenerateAllowed);
+ }
+ // Checks if we can use indexeddb filter
+ if (whereClauses[0].propertyName == objectStore.keyPath
+ || indexPossible) {
+ // Gets the where clause + removes it from the collection
+ var clause = whereClauses.shift();
+ switch (clause.filter) {
+ case linq2indexedDB.prototype.linq.filters.equals:
+ cursorPromise = linq2indexedDB.prototype.core.cursor(source, IDBKeyRange.only(clause.value));
+ break;
+ case linq2indexedDB.prototype.linq.filters.between:
+ cursorPromise = linq2indexedDB.prototype.core.cursor(source, IDBKeyRange.bound(clause.minValue, clause.maxValue, clause.minValueIncluded, clause.maxValueIncluded));
+ break;
+ case linq2indexedDB.prototype.linq.filters.greaterThan:
+ cursorPromise = linq2indexedDB.prototype.core.cursor(source, IDBKeyRange.lowerBound(clause.value, clause.valueIncluded));
+ break;
+ case linq2indexedDB.prototype.linq.filters.smallerThan:
+ cursorPromise = linq2indexedDB.prototype.core.cursor(source, IDBKeyRange.upperBound(clause.value, clause.valueIncluded));
+ break;
+ default:
+ cursorPromise = linq2indexedDB.prototype.core.cursor(source);
+ break;
+ }
+ } else {
+ // Get everything if the index can't be used
+ cursorPromise = linq2indexedDB.prototype.core.cursor(source);
+ }
+ } else {
+ // Get's everything, manually filter data
+ cursorPromise = linq2indexedDB.prototype.core.cursor(objectStore);
+ }
+ return cursorPromise;
+ }
+
+ function selectData(data, propertyNames) {
+ if (propertyNames && propertyNames.length > 0) {
+ if (!linq2indexedDB.prototype.utilities.isArray(propertyNames)) {
+ propertyNames = [propertyNames];
+ }
+
+ var obj = new Object();
+ for (var i = 0; i < propertyNames.length; i++) {
+ linq2indexedDB.prototype.utilities.setPropertyValue(obj, propertyNames[i], linq2indexedDB.prototype.utilities.getPropertyValue(data, propertyNames[i]));
+ }
+ return obj;
+ }
+ return data;
+ }
+
+ return {
+ from: function (objectStoreName) {
+ return from(new queryBuilderObj(objectStoreName), objectStoreName);
+ }
+ };
+ }
+
+ function viewer(dbConfig) {
+ var dbView = {};
+ var refresh = true;
+
+ function refreshInternal() {
+ if (refresh) {
+ refresh = false;
+ getDbInformation(dbView, dbConfig);
+ }
+ }
+
+ dbView.Configuration = {
+ name: dbConfig.name,
+ version: dbConfig.version,
+ autoGenerateAllowed: dbConfig.autoGenerateAllowed,
+ schema: dbConfig.schema,
+ definition: dbConfig.definition,
+ onupgradeneeded: dbConfig.onupgradeneeded,
+ oninitializeversion: dbConfig.oninitializeversion
+ };
+
+ dbView.refresh = function () {
+ refresh = true;
+ refreshInternal();
+ };
+
+ linq2indexedDB.prototype.core.dbStructureChanged.addListener(linq2indexedDB.prototype.core.databaseEvents.databaseUpgrade, function () {
+ refresh = true;
+ });
+ linq2indexedDB.prototype.core.dbStructureChanged.addListener(linq2indexedDB.prototype.core.databaseEvents.databaseOpened, function () {
+ refreshInternal();
+ });
+ linq2indexedDB.prototype.core.dbStructureChanged.addListener(linq2indexedDB.prototype.core.databaseEvents.databaseRemoved, function () {
+ dbView.name = null;
+ dbView.version = null;
+ dbView.ObjectStores = [];
+ });
+ linq2indexedDB.prototype.core.dbDataChanged.addListener([linq2indexedDB.prototype.core.dataEvents.dataInserted, linq2indexedDB.prototype.core.dataEvents.dataRemoved, linq2indexedDB.prototype.core.dataEvents.dataUpdated, linq2indexedDB.prototype.core.dataEvents.objectStoreCleared], function () {
+ dbView.refresh();
+ });
+
+ return dbView;
+ }
+
+ function getDbInformation(dbView, dbConfig) {
+ linq2indexedDB.prototype.core.db(dbConfig.name).then(function () {
+ var connection = arguments[0][0];
+ dbView.name = connection.name;
+ dbView.version = connection.version;
+ dbView.ObjectStores = [];
+
+ linq2indexedDB.prototype.core.dbStructureChanged.addListener(linq2indexedDB.prototype.core.databaseEvents.databaseBlocked, function () {
+ connection.close();
+ });
+
+ var objectStoreNames = [];
+ for (var k = 0; k < connection.objectStoreNames.length; k++) {
+ objectStoreNames.push(connection.objectStoreNames[k]);
+ }
+
+ if (objectStoreNames.length > 0) {
+ linq2indexedDB.prototype.core.transaction(connection, objectStoreNames, linq2indexedDB.prototype.core.transactionTypes.READ_ONLY, false).then(null, null, function () {
+ var transaction = arguments[0][0];
+
+ for (var i = 0; i < connection.objectStoreNames.length; i++) {
+ linq2indexedDB.prototype.core.objectStore(transaction, connection.objectStoreNames[i]).then(function () {
+ var objectStore = arguments[0][1];
+ var indexes = [];
+ var objectStoreData = [];
+
+ for (var j = 0; j < objectStore.indexNames.length; j++) {
+ linq2indexedDB.prototype.core.index(objectStore, objectStore.indexNames[j], false).then(function () {
+ var index = arguments[0][1];
+ var indexData = [];
+
+ linq2indexedDB.prototype.core.cursor(index).then(null, null, function () {
+ var data = arguments[0][0];
+ var key = arguments[0][1].primaryKey;
+ indexData.push({ key: key, data: data });
+ });
+
+ indexes.push({
+ name: index.name,
+ keyPath: index.keyPath,
+ multiEntry: index.multiEntry,
+ data: indexData
+ });
+ });
+ }
+
+ linq2indexedDB.prototype.core.cursor(objectStore).then(null, null, function () {
+ var data = arguments[0][0];
+ var key = arguments[0][1].primaryKey;
+ objectStoreData.push({ key: key, data: data });
+ });
+
+ dbView.ObjectStores.push({
+ name: objectStore.name,
+ keyPath: objectStore.keyPath,
+ autoIncrement: objectStore.autoIncrement,
+ indexes: indexes,
+ data: objectStoreData
+ });
+ });
+ }
+ });
+ }
+ }, null, function (args) {
+ if (args[1].type == "upgradeneeded") {
+ args[0].abort();
+ }
+ });
+ }
+
+ function getVersionDefinition(version, definitions) {
+ var result = null;
+ for (var i = 0; i < definitions.length; i++) {
+ if (parseInt(definitions[i].version) == parseInt(version)) {
+ result = definitions[i];
+ }
+ }
+ return result;
+ }
+
+ function initializeVersion(txn, definition) {
+ try {
+ if (definition.objectStores) {
+ for (var i = 0; i < definition.objectStores.length; i++) {
+ var objectStoreDefinition = definition.objectStores[i];
+ if (objectStoreDefinition.remove) {
+ linq2indexedDB.prototype.core.deleteObjectStore(txn, objectStoreDefinition.name);
+ } else {
+ linq2indexedDB.prototype.core.createObjectStore(txn, objectStoreDefinition.name, objectStoreDefinition.objectStoreOptions);
+ }
+ }
+ }
+
+ if (definition.indexes) {
+ for (var j = 0; j < definition.indexes.length; j++) {
+ var indexDefinition = definition.indexes[j];
+ if (indexDefinition.remove) {
+ linq2indexedDB.prototype.core.deleteIndex(linq2indexedDB.prototype.core.objectStore(txn, indexDefinition.objectStoreName), indexDefinition.propertyName);
+ } else {
+ linq2indexedDB.prototype.core.createIndex(linq2indexedDB.prototype.core.objectStore(txn, indexDefinition.objectStoreName), indexDefinition.propertyName, indexDefinition.indexOptions);
+ }
+ }
+ }
+
+ if (definition.defaultData) {
+ for (var k = 0; k < definition.defaultData.length; k++) {
+ var defaultDataDefinition = definition.defaultData[k];
+ if (defaultDataDefinition.remove) {
+ linq2indexedDB.prototype.core.remove(linq2indexedDB.prototype.core.objectStore(txn, defaultDataDefinition.objectStoreName), defaultDataDefinition.key);
+ } else {
+ linq2indexedDB.prototype.core.insert(linq2indexedDB.prototype.core.objectStore(txn, defaultDataDefinition.objectStoreName), defaultDataDefinition.data, defaultDataDefinition.key);
+ }
+ }
+ }
+ } catch (ex) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.exception, "initialize version exception: ", ex);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ }
+ }
+
+ function upgradeDatabase(dbConfig, oldVersion, newVersion, txn) {
+ if (dbConfig.onupgradeneeded) {
+ dbConfig.onupgradeneeded(txn, oldVersion, newVersion);
+ }
+ if (dbConfig.oninitializeversion || dbConfig.schema || dbConfig.definition) {
+ for (var version = oldVersion + 1; version <= newVersion; version++) {
+ if (dbConfig.schema) {
+ dbConfig.schema[version](txn);
+ }
+ if (dbConfig.definition) {
+ var versionDefinition = getVersionDefinition(version, dbConfig.definition);
+ if (versionDefinition) {
+ initializeVersion(txn, versionDefinition);
+ }
+ } else if (dbConfig.oninitializeversion) {
+ dbConfig.oninitializeversion(txn, version);
+ }
+ }
+ }
+ }
+
+})();
+
+// Namespace linq2indexedDB.prototype.linq
+(function () {
+ linq2indexedDB.prototype.linq = {
+ addFilter: function (name, isValid, filterCallback) {
+ if (typeof linq2indexedDB.prototype.linq.filters[name] !== 'undefined') {
+ throw "linq2IndexedDB: A filter with the name '" + name + "' already exists.";
+ }
+
+ linq2indexedDB.prototype.linq.filters[name] = linq2indexedDB.prototype.linq.createFilter(name, isValid, filterCallback);
+ },
+ createFilter: function (name, isValid, filterCallback) {
+ if (typeof name === 'undefined') {
+ throw "linq2IndexedDB: No name argument provided to the addFilter method.";
+ }
+ if (typeof name !== 'string') {
+ throw "linq2IndexedDB: The name argument provided to the addFilterObject method must be a string.";
+ }
+ if (typeof isValid === 'undefined') {
+ throw "linq2IndexedDB: No isValid argument provided to the addFilter method.";
+ }
+ if (typeof isValid !== 'function') {
+ throw "linq2IndexedDB: The isValid argument provided to the addFilterObject method must be a function.";
+ }
+ if (typeof filterCallback === 'undefined') {
+ throw "linq2IndexedDB: No filterCallback argument provided to the addFilter method.";
+ }
+ //if (typeof filterCallback !== 'function') {
+ // throw "linq2IndexedDB: The filterCallback argument provided to the addFilterObject method must be a function.";
+ //}
+
+ return {
+ name: name,
+ indexeddbFilter: false,
+ sortOrder: 99,
+ isValid: isValid,
+ filter: filterCallback
+ };
+ },
+ filters: {
+ equals: {
+ name: "equals",
+ indexeddbFilter: true,
+ sortOrder: 0,
+ isValid: function (data, filter) {
+ return linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName) == filter.value;
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function (value) {
+ if (typeof (value) === "undefined") {
+ throw "linq2indexedDB: value needs to be provided to the equal clause";
+ }
+ filterMetaData.value = value;
+
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ },
+ between: {
+ name: "between",
+ sortOrder: 1,
+ indexeddbFilter: true,
+ isValid: function (data, filter) {
+ var value = linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName);
+ return (value > filter.minValue || (filter.minValueIncluded && value == filter.minValue))
+ && (value < filter.maxValue || (filter.maxValueIncluded && value == filter.maxValue));
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function (minValue, maxValue, minValueIncluded, maxValueIncluded) {
+ var isMinValueIncluded = typeof (minValueIncluded) === undefined ? false : minValueIncluded;
+ var isMasValueIncluded = typeof (maxValueIncluded) === undefined ? false : maxValueIncluded;
+ if (typeof (minValue) === "undefined") {
+ throw "linq2indexedDB: minValue needs to be provided to the between clause";
+ }
+ if (typeof (maxValue) === "undefined") {
+ throw "linq2indexedDB: maxValue needs to be provided to the between clause";
+ }
+
+ filterMetaData.minValue = minValue;
+ filterMetaData.maxValue = maxValue;
+ filterMetaData.minValueIncluded = isMinValueIncluded;
+ filterMetaData.maxValueIncluded = isMasValueIncluded;
+
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ },
+ greaterThan: {
+ name: "greaterThan",
+ sortOrder: 2,
+ indexeddbFilter: true,
+ isValid: function (data, filter) {
+ var value = linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName);
+ return value > filter.value || (filter.valueIncluded && value == filter.value);
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function (value, valueIncluded) {
+ if (typeof (value) === "undefined") {
+ throw "linq2indexedDB: value needs to be provided to the greatherThan clause";
+ }
+ var isValueIncluded = typeof (valueIncluded) === undefined ? false : valueIncluded;
+
+ filterMetaData.value = value;
+ filterMetaData.valueIncluded = isValueIncluded;
+
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ },
+ smallerThan: {
+ name: "smallerThan",
+ sortOrder: 2,
+ indexeddbFilter: true,
+ isValid: function (data, filter) {
+ var value = linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName);
+ return value < filter.value || (filter.valueIncluded && value == filter.value);
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function (value, valueIncluded) {
+ if (typeof (value) === "undefined") {
+ throw "linq2indexedDB: value needs to be provided to the smallerThan clause";
+ }
+ var isValueIncluded = typeof (valueIncluded) === undefined ? false : valueIncluded;
+
+ filterMetaData.value = value;
+ filterMetaData.valueIncluded = isValueIncluded;
+
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ },
+ inArray: {
+ name: "inArray",
+ sortOrder: 3,
+ indexeddbFilter: false,
+ isValid: function (data, filter) {
+ var value = linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName);
+ if (value) {
+ return filter.value.indexOf(value) >= 0;
+ }
+ else {
+ return false;
+ }
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function (array) {
+ if (typeof (array) === "undefined" || typeof array !== "Array") {
+ throw "linq2indexedDB: array needs to be provided to the inArray clause";
+ }
+
+ filterMetaData.value = array;
+
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ },
+ like: {
+ name: "like",
+ sortOrder: 4,
+ indexeddbFilter: false,
+ isValid: function (data, filter) {
+ var value = linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName);
+ if (value) {
+ return value.indexOf(filter.value) >= 0;
+ }
+ else {
+ return false;
+ }
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function (value) {
+ if (typeof (value) === "undefined") {
+ throw "linq2indexedDB: value needs to be provided to the like clause";
+ }
+
+ filterMetaData.value = value;
+
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ },
+ isUndefined: {
+ name: "isUndefined",
+ sortOrder: 5,
+ indexeddbFilter: false,
+ isValid: function (data, filter) {
+ return linq2indexedDB.prototype.utilities.getPropertyValue(data, filter.propertyName) === undefined;
+ },
+ filter: function (callback, queryBuilder, filterMetaData) {
+ /// Creates a function to retrieve values for the filter and adds the filter to the querybuilder.
+ ///
+ /// Callback method so the query expression can be builded.
+ ///
+ ///
+ /// The objects that builds up the query for the user.
+ ///
+ ///
+ /// The metadata for the filter.
+ ///
+ ///
+ /// returns a function to retrieve the necessary values for the filter
+ ///
+ return function () {
+ return callback(queryBuilder, filterMetaData);
+ };
+ }
+ }
+ }
+ };
+})();
+
+// Namespace linq2indexedDB.prototype.utitlities
+(function (isMetroApp) {
+ "use strict";
+
+ var utilities = {
+ linq2indexedDBWorkerFileLocation: "/Scripts/Linq2IndexedDB.js",
+ linq2indexedDBWorker: function (data, filters, sortClauses) {
+ return utilities.promiseWrapper(function (pw) {
+ if (!!window.Worker) {
+ var worker = new Worker(utilities.linq2indexedDBWorkerFileLocation);
+ worker.onmessage = function (event) {
+ pw.complete(this, event.data);
+ worker.terminate();
+ };
+ worker.onerror = pw.error;
+
+ var filtersString = JSON.stringify(filters, linq2indexedDB.prototype.utilities.serialize);
+
+ worker.postMessage({ data: data, filters: filtersString, sortClauses: sortClauses });
+ } else {
+ // Fallback when there are no webworkers present. Beware, this runs on the UI thread and can block the UI
+ pw.complete(this, utilities.filterSort(data, filters, sortClauses));
+ }
+ });
+ },
+ isArray: function (array) {
+ if (array instanceof Array) {
+ return true;
+ } else {
+ return false;
+ }
+ },
+ JSONComparer: function (propertyName, descending) {
+ return {
+ sort: function (valueX, valueY) {
+ if (descending) {
+ return ((valueX[propertyName] == valueY[propertyName]) ? 0 : ((valueX[propertyName] > valueY[propertyName]) ? -1 : 1));
+ } else {
+ return ((valueX[propertyName] == valueY[propertyName]) ? 0 : ((valueX[propertyName] > valueY[propertyName]) ? 1 : -1));
+ }
+ }
+ };
+ },
+ promiseWrapper: function (promise, arg1, arg2, arg3, arg4, arg5) {
+ if (isMetroApp) {
+ return new WinJS.Promise(function (completed, error, progress) {
+ promise({
+ complete: function (context, args) {
+ completed(args);
+ },
+ error: function (context, args) {
+ error(args);
+ },
+ progress: function (context, args) {
+ progress(args);
+ }
+ }, arg1, arg2, arg3, arg4, arg5);
+ });
+ } else if (typeof ($) === "function" && $.Deferred) {
+ return $.Deferred(function (dfd) {
+ promise({
+ complete: function (context, args) {
+ dfd.resolveWith(context, [args]);
+ },
+ error: function (context, args) {
+ dfd.rejectWith(context, [args]);
+ },
+ progress: function (context, args) {
+ dfd.notifyWith(context, [args]);
+ }
+ }, arg1, arg2, arg3, arg4, arg5);
+ }).promise();
+ } else {
+ throw "linq2indexedDB: No framework (WinJS or jQuery) that supports promises found. Please ensure jQuery or WinJS is referenced before the linq2indexedDB.js file.";
+ }
+ },
+ log: function () {
+ if ((window && typeof (window.console) === "undefined") || !enableLogging) {
+ return false;
+ }
+
+ var currtime = (function currentTime() {
+ var time = new Date();
+ return time.getHours() + ':' + time.getMinutes() + ':' + time.getSeconds() + '.' + time.getMilliseconds();
+ })();
+
+ var args = [];
+ var severity = arguments[0];
+
+ args.push(currtime + ' Linq2IndexedDB: ');
+
+ for (var i = 1; i < arguments.length; i++) {
+ args.push(arguments[i]);
+ }
+
+ switch (severity) {
+ case linq2indexedDB.prototype.utilities.severity.exception:
+ if (window.console.exception) {
+ window.console.exception.apply(console, args);
+ } else {
+ window.console.error.apply(console, args);
+ }
+ break;
+ case linq2indexedDB.prototype.utilities.severity.error:
+ window.console.error.apply(console, args);
+ break;
+ case linq2indexedDB.prototype.utilities.severity.warning:
+ window.console.warning.apply(console, args);
+ break;
+ case linq2indexedDB.prototype.utilities.severity.information:
+ window.console.log.apply(console, args);
+ break;
+ default:
+ window.console.log.apply(console, args);
+ }
+
+ return true;
+ },
+ logError: function (error) {
+ return linq2indexedDB.prototype.utilities.log(error.severity, error.message, error.type, error.method, error.orignialError);
+ },
+ filterSort: function (data, filters, sortClauses) {
+ var returnData = [];
+
+ for (var i = 0; i < data.length; i++) {
+ if (utilities.isDataValid(data[i].data, filters)) {
+ returnData = utilities.addToSortedArray(returnData, data[i], sortClauses);
+ }
+ }
+
+ return returnData;
+ },
+ isDataValid: function (data, filters) {
+ var isValid = true;
+
+ for (var i = 0; i < filters.length; i++) {
+ var filterValid = filters[i].filter.isValid(data, filters[i]);
+ if (filters[i].isNotClause) {
+ filterValid = !filterValid;
+ }
+ if (filters[i].isAndClause) {
+ isValid = isValid && filterValid;
+ } else if (filters[i].isOrClause) {
+ isValid = isValid || filterValid;
+ }
+ }
+ return isValid;
+ },
+ addToSortedArray: function (array, data, sortClauses) {
+ var newArray = [];
+ if (array.length == 0 || sortClauses.length == 0) {
+ newArray = array;
+ newArray.push(data);
+ } else {
+ var valueAdded = false;
+ for (var i = 0; i < array.length; i++) {
+ var valueX = array[i].data;
+ var valueY = data.data;
+ for (var j = 0; j < sortClauses.length; j++) {
+ var sortPropvalueX = linq2indexedDB.prototype.utilities.getPropertyValue(valueX, sortClauses[j].propertyName);
+ var sortPropvalueY = linq2indexedDB.prototype.utilities.getPropertyValue(valueY, sortClauses[j].propertyName);
+
+ if (sortPropvalueX != sortPropvalueY) {
+ if ((sortClauses[j].descending && sortPropvalueX > sortPropvalueY)
+ || (!sortClauses[j].descending && sortPropvalueX < sortPropvalueY)) {
+ newArray.push(array[i]);
+ } else {
+ if (!valueAdded) {
+ valueAdded = true;
+ newArray.push(data);
+ }
+ newArray.push(array[i]);
+ }
+ }
+ else if (j == (sortClauses.length - 1)) {
+ newArray.push(array[i]);
+ }
+ }
+ }
+
+ // Add at the end
+ if (!valueAdded) {
+ newArray.push(data);
+ }
+ }
+ return newArray;
+ },
+ serialize: function (key, value) {
+ if (typeof value === 'function') {
+ return value.toString();
+ }
+ return value;
+ },
+ deserialize: function (key, value) {
+ if (value && typeof value === "string" && value.substr(0, 8) == "function") {
+ var startBody = value.indexOf('{') + 1;
+ var endBody = value.lastIndexOf('}');
+ var startArgs = value.indexOf('(') + 1;
+ var endArgs = value.indexOf(')');
+
+ return new Function(value.substring(startArgs, endArgs), value.substring(startBody, endBody));
+ }
+ return value;
+ },
+ getPropertyValue: function (data, propertyName) {
+ var structure = propertyName.split(".");
+ var value = data;
+ for (var i = 0; i < structure.length; i++) {
+ if (value) {
+ value = value[structure[i]];
+ }
+ }
+ return value;
+ },
+ setPropertyValue: function (data, propertyName, value) {
+ var structure = propertyName.split(".");
+ var obj = data;
+ for (var i = 0; i < structure.length; i++) {
+ if (i != (structure.length - 1)) {
+ obj[structure[i]] = {};
+ obj = obj[structure[i]];
+ }
+ else {
+ obj[structure[i]] = value;
+ }
+ }
+ return obj;
+ },
+ severity: {
+ information: 0,
+ warning: 1,
+ error: 2,
+ exception: 3
+ }
+ };
+
+ linq2indexedDB.prototype.utilities = utilities;
+})(typeof Windows !== "undefined");
+
+if (typeof window !== "undefined") {
+ // UI Thread
+
+ // Namespace linq2indexedDB.prototype.core
+ (function (window, isMetroApp) {
+ "use strict";
+
+ // Region variables
+ var defaultDatabaseName = "Default";
+ var implementations = {
+ NONE: 0,
+ NATIVE: 1,
+ MICROSOFT: 2,
+ MOZILLA: 3,
+ GOOGLE: 4,
+ MICROSOFTPROTOTYPE: 5,
+ SHIM: 6
+ };
+ var transactionTypes = {
+ READ_ONLY: "readonly",
+ READ_WRITE: "readwrite",
+ VERSION_CHANGE: "versionchange"
+ };
+ var implementation = initializeIndexedDb();
+ var handlers = {
+ IDBRequest: function (request) {
+ return deferredHandler(IDBRequestHandler, request);
+ },
+ IDBBlockedRequest: function (request) {
+ return deferredHandler(IDBBlockedRequestHandler, request);
+ },
+ IDBOpenDBRequest: function (request) {
+ return deferredHandler(IDBOpenDbRequestHandler, request);
+ },
+ IDBDatabase: function (database) {
+ return deferredHandler(IDBDatabaseHandler, database);
+ },
+ IDBTransaction: function (txn) {
+ return deferredHandler(IDBTransactionHandler, txn);
+ },
+ IDBCursorRequest: function (request) {
+ return deferredHandler(IDBCursorRequestHandler, request);
+ }
+ };
+
+ //Copyright (c) 2010 Nicholas C. Zakas. All rights reserved.
+ //MIT License
+
+ function eventTarget() {
+ this._listeners = {};
+ }
+
+ eventTarget.prototype = {
+ constructor: eventTarget,
+
+ addListener: function (type, listener) {
+ if (!linq2indexedDB.prototype.utilities.isArray(type)) {
+ type = [type];
+ }
+
+ for (var i = 0; i < type.length; i++) {
+ if (typeof this._listeners[type[i]] == "undefined") {
+ this._listeners[type[i]] = [];
+ }
+
+ this._listeners[type[i]].push(listener);
+ }
+ },
+
+ fire: function (event) {
+ if (typeof event == "string") {
+ event = { type: event };
+ }
+ if (!event.target) {
+ event.target = this;
+ }
+
+ if (!event.type) { //falsy
+ throw new Error("Event object missing 'type' property.");
+ }
+
+ if (this._listeners[event.type] instanceof Array) {
+ var listeners = this._listeners[event.type];
+ for (var i = 0, len = listeners.length; i < len; i++) {
+ listeners[i].call(this, event);
+ }
+ }
+ },
+
+ removeListener: function (type, listener) {
+ if (!linq2indexedDB.prototype.utilities.isArray(type)) {
+ type = [type];
+ }
+
+ for (var j = 0; j < type[j].length; j++) {
+ if (this._listeners[type[j]] instanceof Array) {
+ var listeners = this._listeners[type[j]];
+ for (var i = 0, len = listeners.length; i < len; i++) {
+ if (listeners[i] === listener) {
+ listeners.splice(i, 1);
+ break;
+ }
+ }
+ }
+ }
+ }
+ };
+ // End copyright
+
+ var dbEvents = {
+ objectStoreCreated: "Object store created",
+ objectStoreRemoved: "Object store removed",
+ indexCreated: "Index created",
+ indexRemoved: "Index removed",
+ databaseRemoved: "Database removed",
+ databaseBlocked: "Database blocked",
+ databaseUpgrade: "Database upgrade",
+ databaseOpened: "Database opened"
+ };
+
+ var dataEvents = {
+ dataInserted: "Data inserted",
+ dataUpdated: "Data updated",
+ dataRemoved: "Data removed",
+ objectStoreCleared: "Object store cleared"
+ };
+
+ var upgradingDatabase = false;
+
+ var internal = {
+ db: function (pw, name, version) {
+ var req;
+ try {
+ // Initializing defaults
+ name = name ? name : defaultDatabaseName;
+
+ // Creating a new database conection
+ if (version) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "db opening", name, version);
+ req = window.indexedDB.open(name, version);
+ } else {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "db opening", name);
+ req = window.indexedDB.open(name);
+ }
+
+ // Handle the events of the creation of the database connection
+ handlers.IDBOpenDBRequest(req).then(
+ function (args /*db, e*/) {
+ var db = args[0];
+ var e = args[1];
+ // Database connection established
+
+ // Handle the events on the database.
+ handlers.IDBDatabase(db).then(
+ function (/*result, event*/) {
+ // No done present.
+ },
+ function (args1/*error, event*/) {
+ // Database error or abort
+ linq2indexedDB.prototype.core.closeDatabaseConnection(args1[1].target);
+ // When an error occures the result will already be resolved. This way calling the reject won't case a thing
+ },
+ function (args1 /*result, event*/) {
+ var event = args1[1];
+ if (event) {
+ // Sending a notify won't have any effect because the result is already resolved. There is nothing more to do than close the current connection.
+ if (event.type === "versionchange") {
+ if (event.version != event.target.db.version) {
+ // If the version is changed and the current version is different from the requested version, the connection needs to get closed.
+ linq2indexedDB.prototype.core.closeDatabaseConnection(event.target);
+ }
+ }
+ }
+ });
+
+ var currentVersion = internal.getDatabaseVersion(db);
+ if (currentVersion < version || (version == -1) || currentVersion == "") {
+ // Current version deferres from the requested version, database upgrade needed
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "DB Promise upgradeneeded", this, db, e, db.connectionId);
+ internal.changeDatabaseStructure(db, version || 1).then(
+ function (args1 /*txn, event*/) {
+ var txn = args1[0];
+ var event = args1[1];
+
+ // Fake the onupgrade event.
+ var context = txn.db;
+ context.transaction = txn;
+
+ var upgardeEvent = {};
+ upgardeEvent.type = "upgradeneeded";
+ upgardeEvent.newVersion = version;
+ upgardeEvent.oldVersion = currentVersion;
+ upgardeEvent.originalEvent = event;
+
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseUpgrade, data: upgardeEvent });
+ pw.progress(context, [txn, upgardeEvent]);
+
+ handlers.IDBTransaction(txn).then(function (/*trans, args*/) {
+ // When completed return the db + event of the original request.
+ pw.complete(this, args);
+ },
+ function (args2 /*err, ev*/) {
+ //txn error or abort
+ pw.error(this, args2);
+ });
+ },
+ function (args1 /*err, event*/) {
+ // txn error or abort
+ pw.error(this, args1);
+ },
+ function (args1 /*result, event*/) {
+ // txn blocked
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseBlocked, data: args1 });
+ pw.progress(this, args1);
+ });
+ } else if (version && version < currentVersion) {
+ linq2indexedDB.prototype.core.closeDatabaseConnection(db);
+ var err = {
+ severity: linq2indexedDB.prototype.utilities.severity.error,
+ type: "VersionError",
+ message: "You are trying to open the database in a lower version (" + version + ") than the current version of the database",
+ method: "db"
+ };
+ linq2indexedDB.prototype.utilities.logError(err);
+ pw.error(this, err);
+ }
+ else {
+ // Database Connection resolved.
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseOpened, data: db });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "DB Promise resolved", db, e);
+ pw.complete(this, [db, e]);
+ }
+ },
+ function (args /*error, e*/) {
+ // Database connection error or abort
+ var err = internal.wrapError(args[1], "db");
+
+ // Fix for firefox & chrome
+ if (args[1].target && args[1].target.errorCode == 12) {
+ err.type = "VersionError";
+ }
+
+ if (err.type == "VersionError") {
+ err.message = "You are trying to open the database in a lower version (" + version + ") than the current version of the database";
+ }
+
+ // Fix for firefox & chrome
+ if (args[1].target && args[1].target.errorCode == 8) {
+ err.type = "AbortError";
+ }
+
+ if (err.type == "AbortError") {
+ err.message = "The VERSION_CHANGE transaction was aborted.";
+ }
+ // For old firefox implementations
+ linq2indexedDB.prototype.utilities.logError(err);
+ pw.error(this, err);
+ },
+ function (args /*result, e*/) {
+ // Database upgrade + db blocked
+ if (args[1].type == "blocked") {
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseBlocked, data: args });
+ } else if (args[1].type == "upgradeneeded") {
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseUpgrade, data: args });
+ }
+ pw.progress(this, args);
+ }
+ );
+ } catch (ex) {
+ var error = internal.wrapException(ex, "db");
+ if ((ex.INVALID_ACCESS_ERR && ex.code == ex.INVALID_ACCESS_ERR) || ex.name == "InvalidAccessError") {
+ error.type = "InvalidAccessError";
+ error.message = "You are trying to open a database with a negative version number.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ pw.error(this, error);
+ }
+ },
+ transaction: function (pw, db, objectStoreNames, transactionType, autoGenerateAllowed) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Transaction promise started", db, objectStoreNames, transactionType);
+
+ // Initialize defaults
+ if (!linq2indexedDB.prototype.utilities.isArray(objectStoreNames)) objectStoreNames = [objectStoreNames];
+ transactionType = transactionType || linq2indexedDB.prototype.core.transactionTypes.READ_ONLY;
+
+ var nonExistingObjectStores = [];
+
+ try {
+ // Check for non-existing object stores
+ for (var i = 0; i < objectStoreNames.length; i++) {
+ if (!db.objectStoreNames || !db.objectStoreNames.contains(objectStoreNames[i])) {
+ nonExistingObjectStores.push(objectStoreNames[i]);
+ }
+ }
+
+ // When non-existing object stores are found and the autoGenerateAllowed is true.
+ // Then create these object stores
+ if (nonExistingObjectStores.length > 0 && autoGenerateAllowed) {
+ // setTimeout is necessary when multiple request to generate an index come together.
+ // This can result in a deadlock situation, there for the setTimeout
+ setTimeout(function() {
+ upgradingDatabase = true;
+ var version = internal.getDatabaseVersion(db) + 1;
+ var dbName = db.name;
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Transaction database upgrade needed: ", db);
+ // Closing the current connections so it won't block the upgrade.
+ linq2indexedDB.prototype.core.closeDatabaseConnection(db);
+ // Open a new connection with the new version
+ linq2indexedDB.prototype.core.db(dbName, version).then(function (args /*dbConnection, event*/) {
+ upgradingDatabase = false;
+ // Necessary for getting it work in WIN 8, WinJS promises have troubles with nesting promises
+ var txn = args[0].transaction(objectStoreNames, transactionType);
+
+ // Handle transaction events
+ handlers.IDBTransaction(txn).then(function(args1 /*result, event*/) {
+ // txn completed
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Transaction completed.", txn);
+ pw.complete(this, args1);
+ },
+ function(args1 /*err, event*/) {
+ // txn error or abort
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Transaction error/abort.", args1);
+ pw.error(this, args1);
+ });
+
+ // txn created
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Transaction created.", txn);
+ pw.progress(txn, [txn]);
+ },
+ function(args /*error, event*/) {
+ // When an error occures, bubble up.
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Transaction error.", args);
+ pw.error(this, args);
+ },
+ function(args /*txn, event*/) {
+ var event = args[1];
+
+ // When an upgradeneeded event is thrown, create the non-existing object stores
+ if (event.type == "upgradeneeded") {
+ for (var j = 0; j < nonExistingObjectStores.length; j++) {
+ linq2indexedDB.prototype.core.createObjectStore(args[0], nonExistingObjectStores[j], { keyPath: "Id", autoIncrement: true });
+ }
+ }
+ });
+ }, upgradingDatabase ? 10 : 1);
+ } else {
+ // If no non-existing object stores are found, create the transaction.
+ var transaction = db.transaction(objectStoreNames, transactionType);
+
+ // Handle transaction events
+ handlers.IDBTransaction(transaction).then(function(args /*result, event*/) {
+ // txn completed
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Transaction completed.", args);
+ pw.complete(this, args);
+ },
+ function (args /*err, event*/) {
+ var err = internal.wrapError(args[1], "transaction");
+ if (args[1].type == "abort") {
+ err.type = "abort";
+ err.severity = "abort";
+ err.message = "Transaction was aborted";
+ }
+
+ // Fix for firefox & chrome
+ if (args[1].target && args[1].target.errorCode == 4) {
+ err.type = "ConstraintError";
+ }
+
+ if (err.type == "ConstraintError") {
+ err.message = "A mutation operation in the transaction failed. For more details look at the error on the instert, update, remove or clear statement.";
+ }
+ // txn error or abort
+ linq2indexedDB.prototype.utilities.logError(err);
+ pw.error(this, err);
+ });
+
+ // txn created
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Transaction transaction created.", transaction);
+ pw.progress(transaction, [transaction]);
+ }
+ }
+ catch (ex) {
+ var error = internal.wrapException(ex, "transaction");
+ if ((ex.INVALID_ACCESS_ERR && ex.code == ex.INVALID_ACCESS_ERR) || ex.name == "InvalidAccessError") {
+ error.type = "InvalidAccessError";
+ error.message = "You are trying to open a transaction without providing an object store as scope.";
+ }
+ if ((ex.NOT_FOUND_ERR && ex.code == ex.NOT_FOUND_ERR) || ex.name == "NotFoundError") {
+ var objectStores = "";
+ for (var m = 0; m < nonExistingObjectStores.length; m++) {
+ if (m > 0) {
+ objectStores += ", ";
+ }
+ objectStores += nonExistingObjectStores[m];
+ }
+ error.type = "NotFoundError";
+ error.message = "You are trying to open a transaction for object stores (" + objectStores + "), that doesn't exist.";
+ }
+ if ((ex.QUOTA_ERR && ex.code == ex.QUOTA_ERR) || ex.name == "QuotaExceededError") {
+ error.type = "QuotaExceededError";
+ error.message = "The size quota of the indexedDB database is reached.";
+ }
+ if ((ex.UNKNOWN_ERR && ex.code == ex.UNKNOWN_ERR) || ex.name == "UnknownError") {
+ error.type = "UnknownError";
+ error.message = "An I/O exception occured.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ pw.error(this, error);
+ }
+ },
+ changeDatabaseStructure: function (db, version) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "changeDatabaseStructure started", db, version);
+ handlers.IDBBlockedRequest(db.setVersion(version)).then(function (args /*txn, event*/) {
+ // txn created
+ pw.complete(this, args);
+ },
+ function (args /*error, event*/) {
+ // txn error or abort
+ pw.error(this, args);
+ },
+ function (args /*txn, event*/) {
+ // txn blocked
+ pw.progress(this, args);
+ });
+ });
+ },
+ objectStore: function (pw, transaction, objectStoreName) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "objectStore started", transaction, objectStoreName);
+ try {
+ var store = transaction.objectStore(objectStoreName);
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "objectStore completed", transaction, store);
+ pw.complete(store, [transaction, store]);
+ } catch (ex) {
+ var error = internal.wrapException(ex, "objectStore");
+ if ((ex.NOT_FOUND_ERR && ex.code == ex.NOT_FOUND_ERR) || ex.name == "NotFoundError") {
+ error.type = "NotFoundError";
+ error.message = "You are trying to open an object store (" + objectStoreName + "), that doesn't exist or isn't in side the transaction scope.";
+ }
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to open an object store (" + objectStoreName + ") outside a transaction.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(transaction);
+ pw.error(this, error);
+ }
+ },
+ createObjectStore: function (pw, transaction, objectStoreName, objectStoreOptions) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "createObjectStore started", transaction, objectStoreName, objectStoreOptions);
+ try {
+ if (!transaction.db.objectStoreNames.contains(objectStoreName)) {
+ // If the object store doesn't exists, create it
+ var options = new Object();
+
+ if (objectStoreOptions) {
+ if (objectStoreOptions.keyPath) options.keyPath = objectStoreOptions.keyPath;
+ options.autoIncrement = objectStoreOptions.autoIncrement;
+ } else {
+ options.autoIncrement = true;
+ }
+
+ var store = transaction.db.createObjectStore(objectStoreName, options, options.autoIncrement);
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "ObjectStore Created", transaction, store);
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.objectStoreCreated, data: store });
+ pw.complete(store, [transaction, store]);
+ } else {
+ // If the object store exists, retrieve it
+ linq2indexedDB.prototype.core.objectStore(transaction, objectStoreName).then(function (args /*trans, store*/) {
+ // store resolved
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "ObjectStore Found", args[1], objectStoreName);
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "createObjectStore Promise", args[0], args[1]);
+ pw.complete(store, args);
+ },
+ function (args /*error, event*/) {
+ // store error
+ pw.error(this, args);
+ });
+ }
+ } catch (ex) {
+ // store exception
+ var error = internal.wrapException(ex, "createObjectStore");
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to create an object store in a readonly or readwrite transaction.";
+ }
+ if ((ex.INVALID_ACCESS_ERR && ex.code == ex.INVALID_ACCESS_ERR) || ex.name == "InvalidAccessError") {
+ error.type = "InvalidAccessError";
+ error.message = "The object store can't have autoIncrement on and an empty string or an array with an empty string as keyPath.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ if (error.type != "InvalidStateError") {
+ linq2indexedDB.prototype.core.abortTransaction(transaction);
+ }
+ pw.error(this, error);
+ }
+ },
+ deleteObjectStore: function (pw, transaction, objectStoreName) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "deleteObjectStore Promise started", transaction, objectStoreName);
+ try {
+ transaction.db.deleteObjectStore(objectStoreName);
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "ObjectStore Deleted", objectStoreName);
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "deleteObjectStore completed", objectStoreName);
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.objectStoreRemoved, data: objectStoreName });
+ pw.complete(this, [transaction, objectStoreName]);
+ } catch (ex) {
+ var error = internal.wrapException(ex, "deleteObjectStore");
+ if ((ex.NOT_FOUND_ERR && ex.code == ex.NOT_FOUND_ERR) || ex.name == "NotFoundError") {
+ error.type = "NotFoundError";
+ error.message = "You are trying to delete an object store (" + objectStoreName + "), that doesn't exist.";
+ }
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to delete an object store in a readonly or readwrite transaction.";
+ }
+ // store exception
+ linq2indexedDB.prototype.utilities.logError(error);
+ if (error.type != "InvalidStateError") {
+ linq2indexedDB.prototype.core.abortTransaction(transaction);
+ }
+ pw.error(this, error);
+ }
+ },
+ index: function (pw, objectStore, propertyName, autoGenerateAllowed) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Index started", objectStore, propertyName, autoGenerateAllowed);
+ var indexName = propertyName;
+ if (propertyName.indexOf(linq2indexedDB.prototype.core.indexSuffix) == -1) {
+ indexName = indexName + linq2indexedDB.prototype.core.indexSuffix;
+ }
+
+ try {
+ if (!objectStore.indexNames.contains(indexName) && autoGenerateAllowed) {
+ // setTimeout is necessary when multiple request to generate an index come together.
+ // This can result in a deadlock situation, there for the setTimeout
+ setTimeout((function(objStore) {
+ upgradingDatabase = true;
+ // If index doesn't exists, create it if autoGenerateAllowed
+ var version = internal.getDatabaseVersion(objStore.transaction.db) + 1;
+ var dbName = objStore.transaction.db.name;
+ var transactionType = objStore.transaction.mode;
+ var objectStoreNames = [objStore.name]; //transaction.objectStoreNames;
+ var objectStoreName = objStore.name;
+ // Close the currenct database connections so it won't block
+ linq2indexedDB.prototype.core.closeDatabaseConnection(objStore);
+
+ // Open a new connection with the new version
+ linq2indexedDB.prototype.core.db(dbName, version).then(function (args /*dbConnection, event*/) {
+ upgradingDatabase = false;
+ // When the upgrade is completed, the index can be resolved.
+ linq2indexedDB.prototype.core.transaction(args[0], objectStoreNames, transactionType, autoGenerateAllowed).then(function(/*transaction, ev*/) {
+ // txn completed
+ // TODO: what to do in this case
+ },
+ function(args1 /*error, ev*/) {
+ // txn error or abort
+ pw.error(this, args1);
+ },
+ function(args1 /*transaction*/) {
+ // txn created
+ linq2indexedDB.prototype.core.index(linq2indexedDB.prototype.core.objectStore(args1[0], objectStoreName), propertyName).then(function(args2 /*trans, index, store*/) {
+ pw.complete(this, args2);
+ }, function(args2 /*error, ev*/) {
+ // txn error or abort
+ pw.error(this, args2);
+ });
+ });
+ },
+ function(args /*error, event*/) {
+ // When an error occures, bubble up.
+ pw.error(this, args);
+ },
+ function(args /*trans, event*/) {
+ var trans = args[0];
+ var event = args[1];
+
+ // When an upgradeneeded event is thrown, create the non-existing object stores
+ if (event.type == "upgradeneeded") {
+ linq2indexedDB.prototype.core.createIndex(linq2indexedDB.prototype.core.objectStore(trans, objectStoreName), propertyName).then(function (/*index, store, transaction*/) {
+ // index created
+ },
+ function(args1 /*error, ev*/) {
+ // When an error occures, bubble up.
+ pw.error(this, args1);
+ });
+ }
+ });
+ })(objectStore), upgradingDatabase ? 10 : 1);
+ } else {
+ // If index exists, resolve it
+ var index = objectStore.index(indexName);
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Index completed", objectStore.transaction, index, objectStore);
+ pw.complete(this, [objectStore.transaction, index, objectStore]);
+ }
+ } catch (ex) {
+ var error = internal.wrapException(ex, "index");
+ if ((ex.NOT_FOUND_ERR && ex.code == ex.NOT_FOUND_ERR) || ex.name == "NotFoundError") {
+ error.type = "NotFoundError";
+ error.message = "You are trying to open an index (" + indexName + "), that doesn't exist.";
+ }
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to open an object store (" + indexName + ") outside a transaction.";
+ }
+ // index exception
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ createIndex: function (pw, objectStore, propertyName, indexOptions) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "createIndex started", objectStore, propertyName, indexOptions);
+ try {
+ var indexName = propertyName;
+ if (propertyName.indexOf(linq2indexedDB.prototype.core.indexSuffix) == -1) {
+ indexName = indexName + linq2indexedDB.prototype.core.indexSuffix;
+ }
+
+ if (!objectStore.indexNames.contains(indexName)) {
+ var index = objectStore.createIndex(indexName, propertyName, { unique: indexOptions ? indexOptions.unique : false, multiRow: indexOptions ? indexOptions.multirow : false, multiEntry: indexOptions ? indexOptions.multirow : false });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "createIndex completed", objectStore.transaction, index, objectStore);
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.indexCreated, data: index });
+ pw.complete(this, [objectStore.transaction, index, objectStore]);
+ } else {
+ // if the index exists retrieve it
+ linq2indexedDB.prototype.core.index(objectStore, propertyName, false).then(function (args) {
+ pw.complete(this, args);
+ });
+ }
+ } catch (ex) {
+ // store exception
+ var error = internal.wrapException(ex, "createIndex");
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to create an index in a readonly or readwrite transaction.";
+ }
+ if (error.type != "InvalidStateError") {
+ linq2indexedDB.prototype.core.abortTransaction(transaction);
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ pw.error(this, error);
+ }
+ },
+ deleteIndex: function (pw, objectStore, propertyName) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "deleteIndex started", objectStore, propertyName);
+ var indexName = propertyName;
+ if (propertyName.indexOf(linq2indexedDB.prototype.core.indexSuffix) == -1) {
+ indexName = indexName + linq2indexedDB.prototype.core.indexSuffix;
+ }
+
+ try {
+ objectStore.deleteIndex(indexName);
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.indexRemoved, data: indexName });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "deleteIndex completed", objectStore.transaction, propertyName, objectStore);
+ pw.complete(this, [objectStore.transaction, propertyName, objectStore]);
+ } catch (ex) {
+ var error = internal.wrapException(ex, "deleteIndex");
+ if ((ex.NOT_FOUND_ERR && ex.code == ex.NOT_FOUND_ERR) || ex.name == "NotFoundError") {
+ error.type = "NotFoundError";
+ error.message = "You are trying to delete an index (" + indexName + ", propertyName: " + propertyName + " ), that doesn't exist.";
+ }
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to delete an index in a readonly or readwrite transaction.";
+ }
+ // store exception
+ linq2indexedDB.prototype.utilities.logError(error);
+ if (error.type != "InvalidStateError") {
+ linq2indexedDB.prototype.core.abortTransaction(transaction);
+ }
+ pw.error(this, error);
+ }
+ },
+ cursor: function (pw, source, range, direction) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Cursor Promise Started", source);
+ var keyRange;
+ var returnData = [];
+ var request;
+
+ try {
+
+ keyRange = range;
+
+ if (!keyRange) {
+ if (implementation != implementations.GOOGLE) {
+ keyRange = IDBKeyRange.lowerBound(0);
+ } else {
+ keyRange = IDBKeyRange.lowerBound(parseFloat(0));
+ }
+ }
+
+ // direction can not be null when passed.
+ if (direction) {
+ request = handlers.IDBCursorRequest(source.openCursor(keyRange, direction));
+ } else if (keyRange) {
+ request = handlers.IDBCursorRequest(source.openCursor(keyRange));
+ } else {
+ request = handlers.IDBCursorRequest(source.openCursor());
+ }
+
+ request.then(function (args1 /*result, e*/) {
+ var e = args1[1];
+ var transaction = source.transaction || source.objectStore.transaction;
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Cursor completed", returnData, transaction, e);
+ pw.complete(this, [returnData, transaction, e]);
+ },
+ function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Cursor error", args);
+ pw.error(this, args);
+ },
+ function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Cursor progress", result, e);
+ if (result.value) {
+ var progressObj = {
+ data: result.value,
+ key: result.primaryKey,
+ skip: function(number) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Cursor skip", result, e);
+ try {
+ result.advance(number);
+ }
+ catch (advanceEx) {
+ var advanceErr = internal.wrapException(advanceEx, "cursor - skip");
+
+ if ((advanceEx.DATA_ERR && advanceEx.code == advanceEx.DATA_ERR) || advanceEx.name == "DataError") {
+ advanceErr.type = "DataError";
+ advanceErr.message = "The provided range parameter isn't a valid key or key range.";
+ }
+
+ if (advanceEx.name == "TypeError") {
+ advanceErr.type = "TypeError";
+ advanceErr.message = "The provided count parameter is zero or a negative number.";
+ }
+
+ if ((advanceEx.INVALID_STATE_ERR && advanceEx.code == advanceEx.INVALID_STATE_ERR) || advanceEx.name == "InvalidStateError") {
+ advanceErr.type = "InvalidStateError";
+ advanceErr.message = "You are trying to skip data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(advanceErr);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ pw.error(this, advanceErr);
+ }
+ },
+ update: function(obj) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Cursor update", result, e);
+ try {
+ result.update(obj);
+ }
+ catch (updateEx) {
+ var updateError = internal.wrapException(updateEx, "cursor - update");
+
+ if ((updateEx.DATA_ERR && updateEx.code == updateEx.DATA_ERR) || updateEx.name == "DataError") {
+ updateError.type = "DataError";
+ updateError.message = "The underlying object store uses in-line keys and the property in value at the object store's key path does not match the key in this cursor's position.";
+ }
+
+ if ((updateEx.READ_ONLY_ERR && ex.code == updateEx.READ_ONLY_ERR) || updateEx.name == "ReadOnlyError") {
+ updateError.type = "ReadOnlyError";
+ updateError.message = "You are trying to update data in a readonly transaction.";
+ }
+
+ if (updateEx.name == "TransactionInactiveError") {
+ updateError.type = "TransactionInactiveError";
+ updateError.message = "You are trying to update data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((updateEx.DATA_CLONE_ERR && updateEx.code == updateEx.DATA_CLONE_ERR) || updateEx.name == "DataCloneError") {
+ updateError.type = "DataCloneError";
+ updateError.message = "The data you are trying to update could not be cloned. Your data probably contains a function which can not be cloned by default. Try using the serialize method to update the data.";
+ }
+
+ if ((updateEx.INVALID_STATE_ERR && updateEx.code == updateEx.INVALID_STATE_ERR) || updateEx.name == "InvalidStateError") {
+ updateError.type = "InvalidStateError";
+ updateError.message = "You are trying to update data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(updateError);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ pw.error(this, updateError);
+ }
+ },
+ remove: function() {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Cursor remove", result, e);
+ try {
+ result["delete"]();
+ }
+ catch (deleteEx) {
+ var deleteError = internal.wrapException(deleteEx, "cursor - delete");
+
+ if ((deleteEx.READ_ONLY_ERR && deleteEx.code == deleteEx.READ_ONLY_ERR) || deleteEx.name == "ReadOnlyError") {
+ deleteError.type = "ReadOnlyError";
+ deleteError.message = "You are trying to remove data in a readonly transaction.";
+ }
+
+ if (deleteEx.name == "TransactionInactiveError") {
+ deleteError.type = "TransactionInactiveError";
+ deleteError.message = "You are trying to remove data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((deleteEx.INVALID_STATE_ERR && deleteEx.code == deleteEx.INVALID_STATE_ERR) || deleteEx.name == "InvalidStateError") {
+ deleteError.type = "InvalidStateError";
+ deleteError.message = "You are trying to remove data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(deleteError);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ pw.error(this, deleteError);
+ }
+ }
+ };
+
+ pw.progress(this, [progressObj, result, e]);
+ returnData.push({data: progressObj.data ,key: progressObj.key });
+ }
+ result["continue"]();
+ });
+ } catch (ex) {
+ var txn = source.transaction || source.objectStore.transaction;
+ var error = internal.wrapException(ex, "cursor");
+
+ if ((ex.DATA_ERR && error.code == ex.DATA_ERR) || ex.name == "DataError") {
+ error.type = "DataError";
+ error.message = "The provided range parameter isn't a valid key or key range.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to retrieve data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if (ex.name == "TypeError") {
+ error.type = "TypeError";
+ error.message = "The provided directory parameter is invalid";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to insert data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ pw.error(this, error);
+ }
+ finally {
+ keyRange = null;
+ }
+ },
+ keyCursor: function (pw, index, range, direction) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "keyCursor Started", index, range, direction);
+ var returnData = [];
+
+ try {
+ var request;
+ var keyRange = range;
+
+ if (!keyRange) {
+ keyRange = IDBKeyRange.lowerBound(0);
+ }
+
+ // direction can not be null when passed.
+ if (direction) {
+ request = handlers.IDBCursorRequest(source.openKeyCursor(keyRange, direction));
+ } else {
+ request = handlers.IDBCursorRequest(source.openKeyCursor(keyRange));
+ }
+
+ request.then(function (args /*result, e*/) {
+ var e = args[1];
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "keyCursor completed", returnData, index.objectStore.transaction, e);
+ pw.complete(this, [returnData, index.objectStore.transaction, e]);
+ },
+ function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "keyCursor error", args);
+ pw.error(this, args);
+ },
+ function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "keyCursor progress", result, e);
+ if (result.value) {
+ var progressObj = {
+ data: result.value,
+ key: result.primaryKey,
+ skip: function (number) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "keyCursor skip", result, e);
+ try {
+ result.advance(number);
+ }
+ catch (advanceEx) {
+ var advanceErr = internal.wrapException(advanceEx, "keyCursor - skip");
+
+ if ((advanceEx.DATA_ERR && advanceEx.code == advanceEx.DATA_ERR) || advanceEx.name == "DataError") {
+ advanceErr.type = "DataError";
+ advanceErr.message = "The provided range parameter isn't a valid key or key range.";
+ }
+
+ if (advanceEx.name == "TypeError") {
+ advanceErr.type = "TypeError";
+ advanceErr.message = "The provided count parameter is zero or a negative number.";
+ }
+
+ if ((advanceEx.INVALID_STATE_ERR && advanceEx.code == advanceEx.INVALID_STATE_ERR) || advanceEx.name == "InvalidStateError") {
+ advanceErr.type = "InvalidStateError";
+ advanceErr.message = "You are trying to skip data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(advanceErr);
+ linq2indexedDB.prototype.core.abortTransaction(index.objectStore.transaction);
+ pw.error(this, advanceErr);
+ }
+ },
+ update: function (obj) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "keyCursor update", result, e);
+ try {
+ result.update(obj);
+ }
+ catch (updateEx) {
+ var updateError = internal.wrapException(updateEx, "keyCursor - update");
+
+ if ((updateEx.DATA_ERR && updateEx.code == updateEx.DATA_ERR) || updateEx.name == "DataError") {
+ updateError.type = "DataError";
+ updateError.message = "The underlying object store uses in-line keys and the property in value at the object store's key path does not match the key in this cursor's position.";
+ }
+
+ if ((updateEx.READ_ONLY_ERR && ex.code == updateEx.READ_ONLY_ERR) || updateEx.name == "ReadOnlyError") {
+ updateError.type = "ReadOnlyError";
+ updateError.message = "You are trying to update data in a readonly transaction.";
+ }
+
+ if (updateEx.name == "TransactionInactiveError") {
+ updateError.type = "TransactionInactiveError";
+ updateError.message = "You are trying to update data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((updateEx.DATA_CLONE_ERR && updateEx.code == updateEx.DATA_CLONE_ERR) || updateEx.name == "DataCloneError") {
+ updateError.type = "DataCloneError";
+ updateError.message = "The data you are trying to update could not be cloned. Your data probably contains a function which can not be cloned by default. Try using the serialize method to update the data.";
+ }
+
+ if ((updateEx.INVALID_STATE_ERR && updateEx.code == updateEx.INVALID_STATE_ERR) || updateEx.name == "InvalidStateError") {
+ updateError.type = "InvalidStateError";
+ updateError.message = "You are trying to update data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(updateError);
+ linq2indexedDB.prototype.core.abortTransaction(index.objectStore.transaction);
+ pw.error(this, updateError);
+ }
+ },
+ remove: function () {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "keyCursor remove", result, e);
+ try {
+ result["delete"]();
+ }
+ catch (deleteEx) {
+ var deleteError = internal.wrapException(deleteEx, "keyCursor - delete");
+
+ if ((deleteEx.READ_ONLY_ERR && deleteEx.code == deleteEx.READ_ONLY_ERR) || deleteEx.name == "ReadOnlyError") {
+ deleteError.type = "ReadOnlyError";
+ deleteError.message = "You are trying to remove data in a readonly transaction.";
+ }
+
+ if (deleteEx.name == "TransactionInactiveError") {
+ deleteError.type = "TransactionInactiveError";
+ deleteError.message = "You are trying to remove data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((deleteEx.INVALID_STATE_ERR && deleteEx.code == deleteEx.INVALID_STATE_ERR) || deleteEx.name == "InvalidStateError") {
+ deleteError.type = "InvalidStateError";
+ deleteError.message = "You are trying to remove data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(deleteError);
+ linq2indexedDB.prototype.core.abortTransaction(index.objectStore.transaction);
+ pw.error(this, deleteError);
+ }
+ }
+ };
+
+ pw.progress(this, [progressObj, result, e]);
+ returnData.push(progressObj.data);
+ }
+ result["continue"]();
+ });
+ } catch (ex) {
+ var error = internal.wrapException(ex, "keyCursor");
+
+ if ((ex.DATA_ERR && error.code == ex.DATA_ERR) || ex.name == "DataError") {
+ error.type = "DataError";
+ error.message = "The provided range parameter isn't a valid key or key range.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to retrieve data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if (ex.name == "TypeError") {
+ error.type = "TypeError";
+ error.message = "The provided directory parameter is invalid";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to insert data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(index.objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ get: function (pw, source, key) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Get Started", source);
+
+ try {
+ handlers.IDBRequest(source.get(key)).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+ var transaction = source.transaction || source.objectStore.transaction;
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Get completed", result, transaction, e);
+ pw.complete(this, [result, transaction, e]);
+ }, function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Get error", args);
+ pw.error(this, args);
+ });
+ } catch (ex) {
+ var txn = source.transaction || source.objectStore.transaction;
+ var error = internal.wrapException(ex, "get");
+
+ if (error.code == ex.DATA_ERR || ex.name == "DataError") {
+ error.message = "The provided key isn't a valid key (must be an array, string, date or number).";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to retrieve data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to retrieve data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ pw.error(this, error);
+ }
+ },
+ count: function (pw, source, key) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Count Started", source);
+
+ try {
+ var req;
+
+ if (key) {
+ req = source.count(key);
+ }
+ else {
+ req = source.count();
+ }
+
+ handlers.IDBRequest(req).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+ var transaction = source.transaction || source.objectStore.transaction;
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Count completed", result, transaction, e);
+ pw.complete(this, [result, transaction, e]);
+ }, function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Count error", args);
+ pw.error(this, args);
+ });
+ } catch (ex) {
+ var txn = source.transaction || source.objectStore.transaction;
+ var error = internal.wrapException(ex, "count");
+
+ if (error.code == ex.DATA_ERR || ex.name == "DataError") {
+ error.type = "DataError";
+ error.message = "The provided key isn't a valid key or keyRange.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to count data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to count data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(txn);
+ pw.error(this, error);
+ }
+ },
+ getKey: function (pw, index, key) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "GetKey Started", index, key);
+
+ try {
+ handlers.IDBRequest(index.getKey(key)).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "GetKey completed", result, index.objectStore.transaction, e);
+ pw.complete(this, [result, index.objectStore.transaction, e]);
+ }, function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "GetKey error", args);
+ pw.error(this, args);
+ });
+ } catch (ex) {
+ var error = internal.wrapException(ex, "getKey");
+
+ if (error.code == ex.DATA_ERR || ex.name == "DataError") {
+ error.type = "DataError";
+ error.message = "The provided key isn't a valid key or keyRange.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to getKey data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to getKey data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(index.objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ insert: function (pw, objectStore, data, key) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Insert Started", objectStore, data, key);
+ try {
+ var req;
+
+ if (key /*&& !store.keyPath*/) {
+ req = handlers.IDBRequest(objectStore.add(data, key));
+ } else {
+ /*if (key) linq2indexedDB.prototype.utilities.log("Key can't be provided when a keyPath is defined on the object store", store, key, data);*/
+ req = handlers.IDBRequest(objectStore.add(data));
+ }
+
+ req.then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ // Add key to the object if a keypath exists
+ if (objectStore.keyPath) {
+ data[objectStore.keyPath] = result;
+ }
+
+ linq2indexedDB.prototype.core.dbDataChanged.fire({ type: dataEvents.dataInserted, data: data, objectStore: objectStore });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Insert completed", data, result, objectStore.transaction, e);
+ pw.complete(this, [data, result, objectStore.transaction, e]);
+ }, function (args /*error, e*/) {
+ var err = internal.wrapError(args[1], "insert");
+
+ // Fix for firefox & chrome
+ if (args[1].target && args[1].target.errorCode == 4) {
+ err.type = "ConstraintError";
+ }
+
+ if (err.type == "ConstraintError") {
+ var duplicateKey = key;
+ if (!duplicateKey && objectStore.keyPath) {
+ duplicateKey = data[objectStore.keyPath];
+ }
+ err.message = "A record for the key (" + duplicateKey + ") already exists in the database or one of the properties of the provided data has a unique index declared.";
+ }
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ linq2indexedDB.prototype.utilities.logError(err);
+ pw.error(this, err);
+ });
+ } catch (ex) {
+ var error = internal.wrapException(ex, "insert");
+
+ if (error.code == ex.DATA_ERR || ex.name == "DataError") {
+ error.type = "DataError";
+ var possibleKey = key;
+ if (!possibleKey && objectStore.keyPath) {
+ possibleKey = data[objectStore.keyPath];
+ }
+ if (!possibleKey) {
+ error.message = "There is no key provided for the data you want to insert for an object store without autoIncrement.";
+ } else if (key && objectStore.keyPath) {
+ error.message = "An external key is provided while the object store expects a keyPath key.";
+ } else if (typeof possibleKey !== "string"
+ && typeof possibleKey !== "number"
+ && typeof possibleKey !== "Date"
+ && !linq2indexedDB.prototype.utilities.isArray(possibleKey)) {
+ error.message = "The provided key isn't a valid key (must be an array, string, date or number).";
+ }
+ }
+
+ if ((ex.READ_ONLY_ERR && ex.code == ex.READ_ONLY_ERR) || ex.name == "ReadOnlyError") {
+ error.type = "ReadOnlyError";
+ error.message = "You are trying to insert data in a readonly transaction.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to insert data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.DATA_CLONE_ERR && ex.code == ex.DATA_CLONE_ERR) || ex.name == "DataCloneError") {
+ error.type = "DataCloneError";
+ error.message = "The data you are trying to insert could not be cloned. Your data probably contains a function which can not be cloned by default. Try using the serialize method to insert the data.";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to insert data on a removed object store.";
+ }
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ update: function (pw, objectStore, data, key) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Update Started", objectStore, data, key);
+
+ try {
+ var req;
+ if (key /*&& !store.keyPath*/) {
+ req = handlers.IDBRequest(objectStore.put(data, key));
+ } else {
+ /*if (key) linq2indexedDB.prototype.utilities.log("Key can't be provided when a keyPath is defined on the object store", store, key, data);*/
+ req = handlers.IDBRequest(objectStore.put(data));
+ }
+ req.then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ if (objectStore.keyPath && data[objectStore.keyPath] === undefined) {
+ data[objectStore.keyPath] = result;
+ }
+
+ linq2indexedDB.prototype.core.dbDataChanged.fire({ type: dataEvents.dataUpdated, data: data, objectStore: objectStore });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Update completed", data, result, objectStore.transaction, e);
+ pw.complete(this, [data, result, objectStore.transaction, e]);
+ }, function (args /*error, e*/) {
+ var err = internal.wrapError(args[1], "update");
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ linq2indexedDB.prototype.utilities.logError(err);
+ pw.error(this, err);
+ });
+ } catch (ex) {
+ var error = internal.wrapException(ex, "update");
+
+ if (error.code == ex.DATA_ERR || ex.name == "DataError") {
+ error.type = "DataError";
+ var possibleKey = key;
+ if (!possibleKey && objectStore.keyPath) {
+ possibleKey = data[objectStore.keyPath];
+ }
+ if (!possibleKey) {
+ error.message = "There is no key provided for the data you want to update for an object store without autoIncrement.";
+ } else if (key && objectStore.keyPath) {
+ error.message = "An external key is provided while the object store expects a keyPath key.";
+ } else if (typeof possibleKey !== "string"
+ && typeof possibleKey !== "number"
+ && typeof possibleKey !== "Date"
+ && !linq2indexedDB.prototype.utilities.isArray(possibleKey)) {
+ error.message = "The provided key isn't a valid key (must be an array, string, date or number).";
+ }
+ }
+
+ if ((ex.READ_ONLY_ERR && ex.code == ex.READ_ONLY_ERR) || ex.name == "ReadOnlyError") {
+ error.type = "ReadOnlyError";
+ error.message = "You are trying to update data in a readonly transaction.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to update data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.DATA_CLONE_ERR && ex.code == ex.DATA_CLONE_ERR) || ex.name == "DataCloneError") {
+ error.type = "DataCloneError";
+ error.message = "The data you are trying to update could not be cloned. Your data probably contains a function which can not be cloned by default. Try using the serialize method to update the data.";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to update data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ remove: function (pw, objectStore, key) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Remove Started", objectStore, key);
+
+ try {
+ handlers.IDBRequest(objectStore["delete"](key)).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.core.dbDataChanged.fire({ type: dataEvents.dataRemoved, data: key, objectStore: objectStore });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Remove completed", result, objectStore.transaction, e);
+ pw.complete(this, [result, objectStore.transaction, e]);
+ },
+ function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Remove error", args);
+ pw.error(this, args);
+ });
+ } catch (ex) {
+ var error = internal.wrapException(ex, "delete");
+
+ if ((ex.READ_ONLY_ERR && ex.code == ex.READ_ONLY_ERR) || ex.name == "ReadOnlyError") {
+ error.type = "ReadOnlyError";
+ error.message = "You are trying to remove data in a readonly transaction.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to remove data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to remove data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ clear: function (pw, objectStore) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Clear Started", objectStore);
+ try {
+ handlers.IDBRequest(objectStore.clear()).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.core.dbDataChanged.fire({ type: dataEvents.objectStoreCleared, objectStore: objectStore });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Clear completed", result, objectStore.transaction, e);
+ pw.complete(this, [result, objectStore.transaction, e]);
+ },
+ function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Clear error", args);
+ pw.error(this, args);
+ });
+ } catch (ex) {
+ var error = internal.wrapException(ex, "clear");
+
+ if ((ex.READ_ONLY_ERR && ex.code == ex.READ_ONLY_ERR) || ex.name == "ReadOnlyError") {
+ error.type = "ReadOnlyError";
+ error.message = "You are trying to clear data in a readonly transaction.";
+ }
+
+ if (ex.name == "TransactionInactiveError") {
+ error.type = "TransactionInactiveError";
+ error.message = "You are trying to clear data on an inactieve transaction. (The transaction was already aborted or committed)";
+ }
+
+ if ((ex.INVALID_STATE_ERR && ex.code == ex.INVALID_STATE_ERR) || (ex.NOT_ALLOWED_ERR && ex.code == ex.NOT_ALLOWED_ERR) || ex.name == "InvalidStateError") {
+ error.type = "InvalidStateError";
+ error.message = "You are trying to clear data on a removed object store.";
+ }
+
+ linq2indexedDB.prototype.utilities.logError(error);
+ linq2indexedDB.prototype.core.abortTransaction(objectStore.transaction);
+ pw.error(this, error);
+ }
+ },
+ deleteDb: function (pw, name) {
+ try {
+ if (typeof (window.indexedDB.deleteDatabase) != "undefined") {
+
+ handlers.IDBBlockedRequest(window.indexedDB.deleteDatabase(name)).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseRemoved });
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Delete Database Promise completed", result, e, name);
+ pw.complete(this, [result, e, name]);
+ }, function (args /*error, e*/) {
+ var error = args[0];
+ var e = args[1];
+
+ // added for FF, If a db gets deleted that doesn't exist an errorCode 6 ('NOT_ALLOWED_ERR') is given
+ if (e.currentTarget && e.currentTarget.errorCode == 6) {
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseRemoved });
+ pw.complete(this, [error, e, name]);
+ } else if (implementation == implementations.SHIM
+ && e.message == "Database does not exist") {
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseRemoved });
+ pw.complete(this, [error, e, name]);
+ } else {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Delete Database Promise error", error, e);
+ pw.error(this, [error, e]);
+ }
+ }, function (args /*result, e*/) {
+ if (args[0] == "blocked") {
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseBlocked });
+ }
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Delete Database Promise blocked", args /*result*/);
+ pw.progress(this, args /*[result, e]*/);
+ });
+ } else {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Delete Database function not found", name);
+ // Workaround for older versions of chrome and FireFox
+ // Doesn't delete the database, but clears him
+ linq2indexedDB.prototype.core.db(name, -1).then(function (args /*result, e*/) {
+ var result = args[0];
+ var e = args[1];
+
+ linq2indexedDB.prototype.core.dbStructureChanged.fire({ type: dbEvents.databaseRemoved });
+ pw.complete(this, [result, e, name]);
+ },
+ function (args /*error, e*/) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.error, "Clear Promise error", args /*error, e*/);
+ pw.error(this, args /*[error, e]*/);
+ },
+ function (args /*dbConnection, event*/) {
+ var dbConnection = args[0];
+ var event = args[1];
+
+ // When an upgradeneeded event is thrown, create the non-existing object stores
+ if (event.type == "upgradeneeded") {
+ for (var i = 0; i < dbConnection.objectStoreNames.length; i++) {
+ linq2indexedDB.prototype.core.deleteObjectStore(dbConnection.txn, dbConnection.objectStoreNames[i]);
+ }
+ linq2indexedDB.prototype.core.closeDatabaseConnection(dbConnection);
+ }
+ });
+ }
+ } catch (ex) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.exception, "Delete Database Promise exception", ex);
+ pw.error(this, [ex.message, ex]);
+ }
+ },
+ getDatabaseVersion: function (db)
+ {
+ var dbVersion = parseInt(db.version);
+ if (isNaN(dbVersion) || dbVersion < 0) {
+ return 0;
+ } else {
+ return dbVersion;
+ }
+ },
+ wrapException: function (exception, method) {
+ return {
+ code: exception.code,
+ severity: linq2indexedDB.prototype.utilities.severity.exception,
+ orignialError: exception,
+ method: method,
+ type: "unknown"
+ };
+ },
+ wrapError: function (error, method) {
+ return {
+ severity: linq2indexedDB.prototype.utilities.severity.error,
+ orignialError: error,
+ type: (error.target && error.target.error && error.target.error.name) ? error.target.error.name : "unknown",
+ method: method
+ };
+ }
+ };
+
+ linq2indexedDB.prototype.core = {
+ db: function (name, version) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ internal.db(pw, name, version);
+ });
+ },
+ transaction: function (db, objectStoreNames, transactionType, autoGenerateAllowed) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (db.then) {
+ db.then(function (args /*db, e*/) {
+ // Timeout necessary for letting it work on win8. If not, progress event triggers before listeners are coupled
+ if (isMetroApp) {
+ setTimeout(function () {
+ internal.transaction(pw, args[0], objectStoreNames, transactionType, autoGenerateAllowed);
+ }, 1);
+ } else {
+ internal.transaction(pw, args[0], objectStoreNames, transactionType, autoGenerateAllowed);
+ }
+ },
+ function (args /*error, e*/) {
+ pw.error(this, args);
+ },
+ function (args /**/) {
+ pw.progress(this, args);
+ });
+ } else {
+ if (isMetroApp) {
+ // Timeout necessary for letting it work on win8. If not, progress event triggers before listeners are coupled
+ setTimeout(function() {
+ internal.transaction(pw, db, objectStoreNames, transactionType, autoGenerateAllowed);
+ }, 1);
+ } else {
+ internal.transaction(pw, db, objectStoreNames, transactionType, autoGenerateAllowed);
+ }
+ }
+ });
+ },
+ objectStore: function (transaction, objectStoreName) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (transaction.then) {
+ transaction.then(function (/*txn, e*/) {
+ // transaction completed
+ // TODO: what todo in this case?
+ }, function (args /*error, e*/) {
+ pw.error(this, args);
+ }, function (args /*txn, e*/) {
+ internal.objectStore(pw, args[0], objectStoreName);
+ });
+ } else {
+ internal.objectStore(pw, transaction, objectStoreName);
+ }
+ });
+ },
+ createObjectStore: function (transaction, objectStoreName, objectStoreOptions) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (transaction.then) {
+ transaction.then(function (/*txn, e*/) {
+ // txn completed
+ // TODO: what todo in this case?
+ },
+ function (args /*error, e*/) {
+ // txn error or abort
+ pw.error(this, args);
+ },
+ function (args /*txn, e*/) {
+ internal.createObjectStore(pw, args[0], objectStoreName, objectStoreOptions);
+ });
+ } else {
+ internal.createObjectStore(pw, transaction, objectStoreName, objectStoreOptions);
+ }
+ });
+ },
+ deleteObjectStore: function (transaction, objectStoreName) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (transaction.then) {
+ transaction.then(function (/*txn, e*/) {
+ // txn completed
+ // TODO: what todo in this case?
+ }, function (args /*error, e*/) {
+ // txn error
+ pw.error(this, args);
+ },
+ function (args /*txn, e*/) {
+ internal.deleteObjectStore(pw, args[0], objectStoreName);
+ });
+ } else {
+ internal.deleteObjectStore(pw, transaction, objectStoreName);
+ }
+ });
+ },
+ index: function (objectStore, propertyName, autoGenerateAllowed) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args /*txn, objectStore*/) {
+ internal.index(pw, args[1], propertyName, autoGenerateAllowed);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.index(pw, objectStore, propertyName, autoGenerateAllowed);
+ }
+ });
+ },
+ createIndex: function (objectStore, propertyName, indexOptions) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args/*txn, objectStore*/) {
+ internal.createIndex(pw, args[1], propertyName, indexOptions);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.createIndex(pw, objectStore, propertyName, indexOptions);
+ }
+ });
+ },
+ deleteIndex: function (objectStore, propertyName) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args/*txn, objectStore*/) {
+ internal.deleteIndex(pw, args[1], propertyName);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.deleteIndex(pw, objectStore, propertyName);
+ }
+ });
+ },
+ cursor: function (source, range, direction) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (source.then) {
+ source.then(function (args /*txn, source*/) {
+ internal.cursor(pw, args[1], range, direction);
+ }, function (args /*error, e*/) {
+ // store or index error
+ pw.error(this, args);
+ });
+ } else {
+ internal.cursor(pw, source, range, direction);
+ }
+ });
+ },
+ keyCursor: function (index, range, direction) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (index.then) {
+ index.then(function (args /*txn, index, store*/) {
+ internal.keyCursor(pw, args[1], range, direction);
+ }, function (args /*error, e*/) {
+ // index error
+ pw.error(this, args);
+ });
+ } else {
+ internal.keyCursor(pw, index, range, direction);
+ }
+ });
+ },
+ get: function (source, key) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (source.then) {
+ source.then(function (args /*txn, source*/) {
+ internal.get(pw, args[1], key);
+ }, function (args /*error, e*/) {
+ // store or index error
+ pw.error(this, args);
+ });
+ } else {
+ internal.get(pw, source, key);
+ }
+ });
+ },
+ count: function (source) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (source.then) {
+ source.then(function (args /*txn, source*/) {
+ internal.count(pw, args[1]);
+ }, function (args /*error, e*/) {
+ // store or index error
+ pw.error(this, args);
+ });
+ } else {
+ internal.count(pw, source);
+ }
+ });
+ },
+ getKey: function (index, key) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (index.then) {
+ index.then(function (args /*txn, index, objectStore*/) {
+ internal.getKey(pw, args[1], key);
+ }, function (args /*error, e*/) {
+ // index error
+ pw.error(this, args);
+ });
+ } else {
+ internal.getKey(pw, index, key);
+ }
+ });
+ },
+ insert: function (objectStore, data, key) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args /*txn, store*/) {
+ internal.insert(pw, args[1], data, key);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.insert(pw, objectStore, data, key);
+ }
+ });
+ },
+ update: function (objectStore, data, key) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args /*txn, store*/) {
+ internal.update(pw, args[1], data, key);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.update(pw, objectStore, data, key);
+ }
+ });
+ },
+ remove: function (objectStore, key) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args /*txn, store*/) {
+ internal.remove(pw, args[1], key);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.remove(pw, objectStore, key);
+ }
+ });
+ },
+ clear: function (objectStore) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ if (objectStore.then) {
+ objectStore.then(function (args /*txn, store*/) {
+ internal.clear(pw, args[1]);
+ }, function (args /*error, e*/) {
+ // store error
+ pw.error(this, args);
+ });
+ } else {
+ internal.clear(pw, objectStore);
+ }
+ });
+ },
+ deleteDb: function (name) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ internal.deleteDb(pw, name);
+ });
+ },
+ closeDatabaseConnection: function (target) {
+ var db;
+ if (target instanceof IDBCursor) {
+ target = target.source;
+ }
+
+ if (target instanceof IDBDatabase) {
+ db = target;
+ } else if (target instanceof IDBTransaction) {
+ db = target.db;
+ } else if (target instanceof IDBObjectStore || target instanceof IDBRequest) {
+ db = target.transaction.db;
+ } else if (target instanceof IDBIndex) {
+ db = target.objectStore.transaction.db;
+ }
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Close database Connection: ", db);
+ db.close();
+ },
+ abortTransaction: function (transaction) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Abort transaction: " + transaction);
+ // Calling the abort, blocks the database in IE10
+ if (implementation != implementations.MICROSOFT) {
+ transaction.abort();
+ linq2indexedDB.prototype.core.closeDatabaseConnection(transaction);
+ }
+ },
+ transactionTypes: transactionTypes,
+ dbStructureChanged: new eventTarget(),
+ dbDataChanged: new eventTarget(),
+ databaseEvents: dbEvents,
+ dataEvents: dataEvents,
+ implementation: implementation,
+ implementations: implementations
+ };
+
+ if (implementation == implementations.SHIM) {
+ linq2indexedDB.prototype.core.indexSuffix = "IIndex";
+ } else {
+
+ linq2indexedDB.prototype.core.indexSuffix = "-Index";
+ }
+
+ // Region Functions
+
+ function initializeIndexedDb() {
+ if (window === 'undefined') {
+ return implementations.NONE;
+ }
+
+ if (window.indexedDB) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Native implementation", window.indexedDB);
+ return implementations.NATIVE;
+ } else {
+ // Initialising the window.indexedDB Object for FireFox
+ if (window.mozIndexedDB) {
+ window.indexedDB = window.mozIndexedDB;
+
+ if (typeof window.IDBTransaction.READ_ONLY === "number"
+ && typeof window.IDBTransaction.READ_WRITE === "number"
+ && typeof window.IDBTransaction.VERSION_CHANGE === "number") {
+ transactionTypes.READ_ONLY = window.IDBTransaction.READ_ONLY;
+ transactionTypes.READ_WRITE = window.IDBTransaction.READ_WRITE;
+ transactionTypes.VERSION_CHANGE = window.IDBTransaction.VERSION_CHANGE;
+ }
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "FireFox Initialized", window.indexedDB);
+ return implementations.MOZILLA;
+ }
+
+ // Initialising the window.indexedDB Object for Chrome
+ else if (window.webkitIndexedDB) {
+ if (!window.indexedDB) window.indexedDB = window.webkitIndexedDB;
+ if (!window.IDBCursor) window.IDBCursor = window.webkitIDBCursor;
+ if (!window.IDBDatabase) window.IDBDatabase = window.webkitIDBDatabase; //if (!window.IDBDatabaseError) window.IDBDatabaseError = window.webkitIDBDatabaseError
+ if (!window.IDBDatabaseException) window.IDBDatabaseException = window.webkitIDBDatabaseException;
+ if (!window.IDBFactory) window.IDBFactory = window.webkitIDBFactory;
+ if (!window.IDBIndex) window.IDBIndex = window.webkitIDBIndex;
+ if (!window.IDBKeyRange) window.IDBKeyRange = window.webkitIDBKeyRange;
+ if (!window.IDBObjectStore) window.IDBObjectStore = window.webkitIDBObjectStore;
+ if (!window.IDBRequest) window.IDBRequest = window.webkitIDBRequest;
+ if (!window.IDBTransaction) window.IDBTransaction = window.webkitIDBTransaction;
+ if (!window.IDBOpenDBRequest) window.IDBOpenDBRequest = window.webkitIDBOpenDBRequest;
+ if (typeof window.IDBTransaction.READ_ONLY === "number"
+ && typeof window.IDBTransaction.READ_WRITE === "number"
+ && typeof window.IDBTransaction.VERSION_CHANGE === "number") {
+ transactionTypes.READ_ONLY = window.IDBTransaction.READ_ONLY;
+ transactionTypes.READ_WRITE = window.IDBTransaction.READ_WRITE;
+ transactionTypes.VERSION_CHANGE = window.IDBTransaction.VERSION_CHANGE;
+ }
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Chrome Initialized", window.indexedDB);
+ return implementations.GOOGLE;
+ }
+
+ // Initialiseing the window.indexedDB Object for IE 10 preview 3+
+ else if (window.msIndexedDB) {
+ window.indexedDB = window.msIndexedDB;
+
+ transactionTypes.READ_ONLY = 0;
+ transactionTypes.READ_WRITE = 1;
+ transactionTypes.VERSION_CHANGE = 2;
+
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "IE10+ Initialized", window.indexedDB);
+ return implementations.MICROSOFT;
+ }
+
+ // Initialising the window.indexedDB Object for IE 8 & 9
+ else if (navigator.appName == 'Microsoft Internet Explorer') {
+ try {
+ window.indexedDB = new ActiveXObject("SQLCE.Factory.4.0");
+ window.indexedDBSync = new ActiveXObject("SQLCE.FactorySync.4.0");
+ } catch (ex) {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Initializing IE prototype exception", ex);
+ }
+
+ if (window.JSON) {
+ window.indexedDB.json = window.JSON;
+ window.indexedDBSync.json = window.JSON;
+ } else {
+ var jsonObject = {
+ parse: function (txt) {
+ if (txt === "[]") return [];
+ if (txt === "{}") return {};
+ throw { message: "Unrecognized JSON to parse: " + txt };
+ }
+ };
+ window.indexedDB.json = jsonObject;
+ window.indexedDBSync.json = jsonObject;
+ }
+
+ // Add some interface-level constants and methods.
+ window.IDBDatabaseException = {
+ UNKNOWN_ERR: 0,
+ NON_TRANSIENT_ERR: 1,
+ NOT_FOUND_ERR: 2,
+ CONSTRAINT_ERR: 3,
+ DATA_ERR: 4,
+ NOT_ALLOWED_ERR: 5,
+ SERIAL_ERR: 11,
+ RECOVERABLE_ERR: 21,
+ TRANSIENT_ERR: 31,
+ TIMEOUT_ERR: 32,
+ DEADLOCK_ERR: 33
+ };
+
+ window.IDBKeyRange = {
+ SINGLE: 0,
+ LEFT_OPEN: 1,
+ RIGHT_OPEN: 2,
+ LEFT_BOUND: 4,
+ RIGHT_BOUND: 8
+ };
+
+ window.IDBRequest = {
+ INITIAL: 0,
+ LOADING: 1,
+ DONE: 2
+ };
+
+ window.IDBTransaction = {
+ READ_ONLY: 0,
+ READ_WRITE: 1,
+ VERSION_CHANGE: 2
+ };
+
+ transactionTypes.READ_ONLY = 0;
+ transactionTypes.READ_WRITE = 1;
+ transactionTypes.VERSION_CHANGE = 2;
+
+ window.IDBKeyRange.only = function (value) {
+ return window.indexedDB.range.only(value);
+ };
+
+ window.IDBKeyRange.leftBound = function (bound, open) {
+ return window.indexedDB.range.lowerBound(bound, open);
+ };
+
+ window.IDBKeyRange.rightBound = function (bound, open) {
+ return window.indexedDB.range.upperBound(bound, open);
+ };
+
+ window.IDBKeyRange.bound = function (left, right, openLeft, openRight) {
+ return window.indexedDB.range.bound(left, right, openLeft, openRight);
+ };
+
+ window.IDBKeyRange.lowerBound = function (left, openLeft) {
+ return window.IDBKeyRange.leftBound(left, openLeft);
+ };
+
+ return implementations.MICROSOFTPROTOTYPE;
+ } else if (window.shimIndexedDB) {
+ window.indexedDB = window.shimIndexedDB;
+
+ return implementations.SHIM;
+ } else {
+ linq2indexedDB.prototype.utilities.log(linq2indexedDB.prototype.utilities.severity.information, "Your browser doesn't support indexedDB.");
+ return implementations.NONE;
+ }
+ }
+ };
+
+ function deferredHandler(handler, request) {
+ return linq2indexedDB.prototype.utilities.promiseWrapper(function (pw) {
+ try {
+ handler(pw, request);
+ } catch (e) {
+ e.type = "exception";
+ pw.error(request, [e.message, e]);
+ }
+ finally {
+ request = null;
+ }
+ });
+ };
+
+ function IDBSuccessHandler(pw, request) {
+ request.onsuccess = function (e) {
+ pw.complete(e.target, [e.target.result, e]);
+ };
+ };
+
+ function IDBErrorHandler(pw, request) {
+ request.onerror = function (e) {
+ pw.error(e.target, [e.target.errorCode, e]);
+ };
+ };
+
+ function IDBAbortHandler(pw, request) {
+ request.onabort = function (e) {
+ pw.error(e.target, [e.target.errorCode, e]);
+ };
+ };
+
+ function IDBVersionChangeHandler(pw, request) {
+ request.onversionchange = function (e) {
+ pw.progress(e.target, [e.target.result, e]);
+ };
+ };
+
+ function IDBCompleteHandler(pw, request) {
+ request.oncomplete = function (e) {
+ pw.complete(e.target, [e.target, e]);
+ };
+ };
+
+ function IDBRequestHandler(pw, request) {
+ IDBSuccessHandler(pw, request);
+ IDBErrorHandler(pw, request);
+ };
+
+ function IDBCursorRequestHandler(pw, request) {
+ request.onsuccess = function (e) {
+ if (!e.target.result) {
+ pw.complete(e.target, [e.target.result, e]);
+ } else {
+ pw.progress(e.target, [e.target.result, e]);
+ }
+ };
+ IDBErrorHandler(pw, request);
+ };
+
+ function IDBBlockedRequestHandler(pw, request) {
+ IDBRequestHandler(pw, request);
+ request.onblocked = function (e) {
+ pw.progress(e.target, ["blocked", e]);
+ };
+ };
+
+ function IDBOpenDbRequestHandler(pw, request) {
+ IDBBlockedRequestHandler(pw, request);
+ request.onupgradeneeded = function (e) {
+ pw.progress(e.target, [e.target.transaction, e]);
+ };
+ };
+
+ function IDBDatabaseHandler(pw, database) {
+ IDBAbortHandler(pw, database);
+ IDBErrorHandler(pw, database);
+ IDBVersionChangeHandler(pw, database);
+ };
+
+ function IDBTransactionHandler(pw, txn) {
+ IDBCompleteHandler(pw, txn);
+ IDBAbortHandler(pw, txn);
+ IDBErrorHandler(pw, txn);
+ };
+
+ })(window, typeof Windows !== "undefined");
+ window.linq2indexedDB = linq2indexedDB;
+
+} else {
+ // Web Worker Thread
+ onmessage = function (event) {
+ var data = event.data.data;
+ var filtersString = event.data.filters || "[]";
+ var sortClauses = event.data.sortClauses || [];
+ var filters = JSON.parse(filtersString, linq2indexedDB.prototype.utilities.deserialize);
+ var returnData = linq2indexedDB.prototype.utilities.filterSort(data, filters, sortClauses);
+
+ postMessage(returnData);
+ return;
+ };
+}
+
+// Extend array for Opera
+Array.prototype.contains = function (obj) {
+ return this.indexOf(obj) > -1;
+};
\ No newline at end of file
diff --git a/examples/crypto-test.html b/examples/crypto-test.html
new file mode 100644
index 0000000..49f2465
--- /dev/null
+++ b/examples/crypto-test.html
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/examples/deferred-test.html b/examples/deferred-test.html
index 602c08e..fed5f1a 100644
--- a/examples/deferred-test.html
+++ b/examples/deferred-test.html
@@ -16,45 +16,70 @@ require.config({
}
});
-require(["src/indexeddb"], function(idb) {
+require(["src/indexeddb2"], function(idb) {
- var db;
- idb.open('test').then(
+ var opened = idb.open('test').then(
function(event) {
- db = event.target.result;
- var transaction = db.transaction(['FILES'], 'readwrite');
- var files = transaction.objectStore('FILES');
- return files.clear();
+ return event.db;
},
function(event) {
console.error('error:', event);
},
function(event) {
- db = event.target.result;
- if(db.objectStoreNames().contains('FILES')) {
- db.deleteObjectStore('FILES');
+ if('upgradeneeded' == event.type) {
+ db = event.target.result;
+ if(db.objectStoreNames.contains('FILES')) {
+ db.deleteObjectStore('FILES');
+ }
+ var files = db.createObjectStore('FILES');
}
- var files = db.createObjectStore('FILES');
}
- ).then(
+ );
+
+ opened.then(
+ function(db) {
+ console.log(db);
+ }
+ );
+
+ /*
+
+ var db = idb.open('test');
+ db.progress(
function(event) {
- var transaction = db.transaction(['FILES'], 'readwrite');
+ if('upgradeneeded' == event.type) {
+ db = event.target.result;
+ if(db.objectStoreNames.contains('FILES')) {
+ db.deleteObjectStore('FILES');
+ }
+ var files = db.createObjectStore('FILES');
+ }
+ }
+ );
+ db.otherwise(
+ function(event) {
+ console.error('error:', event);
+ }
+ );
+
+ db.transaction(['FILES'], 'readwrite')(
+ function(transaction) {
var files = transaction.objectStore('FILES');
- return files.put('value', 'key');
+ return files.clear();
}
- ).then(
- function(event) {
- var transaction = db.transaction(['FILES'], 'readwrite');
- var files = transaction.objectStore('FILES');
- return files.get('key');
+ ).transaction(['FILES'], 'readonly')(
+ function(transaction) {
+
}
- ).then(
- function(event) {
- console.info('result', event.target.result);
+ );
+
+ db.transaction(['FILES'], 'readwrite')(
+ function(transaction) {
+
}
- ).otherwise(function(event) {
- console.error('error: ', event);
- });
+ );
+
+ */
});
diff --git a/examples/jquery-1.10.0.min.js b/examples/jquery-1.10.0.min.js
new file mode 100644
index 0000000..01c6881
--- /dev/null
+++ b/examples/jquery-1.10.0.min.js
@@ -0,0 +1,6 @@
+/*! jQuery v1.10.0 | (c) 2005, 2013 jQuery Foundation, Inc. | jquery.org/license
+//@ sourceMappingURL=jquery-1.10.0.min.map
+*/
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@@ -1,12 +1,29 @@
-var fs = new FileSystem('packages');
+var write_buffer = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]);
+var read_buffer = new Uint8Array(16);
+
+var fs = new FileSystem('local');
+
+fs.then(
+ function() {
+ return this.mkdir('/tmp');
+ }
+);
var fd = fs.open('/myfile.txt', fs.RW);
-var buffer = new Uint8Array(16);
-
-fd.write(buffer).then(function(nbytes) {
- fd.seek(-nbytes);
- return fd.read(buffer);
-}).then(function(nbytes) {
+fd.then(
+ function() {
+ return this.write(write_buffer);
+ }
+).then(
+ function(nbytes) {
+ this.seek(-nbytes);
+ return this.read(read_buffer);
+ }
+).then(
+ function(nbytes) {
+ console.log(read_buffer);
+ }
+);
});
\ No newline at end of file
diff --git a/examples/viewer.html b/examples/viewer.html
new file mode 100644
index 0000000..f791157
--- /dev/null
+++ b/examples/viewer.html
@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/lib/when.js b/lib/when.js
index 8e9a582..317798d 100644
--- a/lib/when.js
+++ b/lib/when.js
@@ -746,13 +746,11 @@ define(function () {
// capture setTimeout to avoid being caught by fake timers used in time based tests
setTimeout = global.setTimeout;
// Prefer setImmediate, cascade to node, vertx and finally setTimeout
- /*
nextTick = typeof setImmediate === 'function' ? setImmediate.bind(global)
: typeof process === 'object' && process.nextTick ? process.nextTick
: typeof vertx === 'object' ? vertx.runOnLoop // vert.x
: function(task) { setTimeout(task, 0); }; // fallback
- */
- nextTick = function(task) { task.call(); };
+ // nextTick = function(task) { task.call(); };
// Safe function calls
funcProto = Function.prototype;
diff --git a/src/fs2.js b/src/fs2.js
index 2727ffc..c1953ba 100644
--- a/src/fs2.js
+++ b/src/fs2.js
@@ -1,10 +1,12 @@
-define function(require) {
+define(function(require) {
var indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
var _ = require('lodash');
var when = require('when');
var Path = require('src/path');
+ var guid = require("src/guid");
+ require("crypto-js/rollups/sha256"); var Crypto = CryptoJS;
var METADATA_STORE_NAME = 'metadata';
var FILE_STORE_NAME = 'files';
@@ -12,46 +14,320 @@ define function(require) {
var IDB_RO = 'readonly';
var IDB_RW = 'readwrite';
- function Operation(fs, stores, mode) {
+ var MODE_FILE = 'FILE';
+ var MODE_DIRECTORY = 'DIRECTORY';
+ var MODE_SYMBOLIC_LINK = 'SYMLINK';
+ var BINARY_MIME_TYPE = 'application/octet-stream';
+ var JSON_MIME_TYPE = 'application/json';
+
+ var ROOT_DIRECTORY_NAME = '/'; // basename(normalize(path))
+ var ROOT_NODE_ID = '8a5edab282632443219e051e4ade2d1d5bbc671c781051bf1437897cbdfea0f1'; // sha256(ROOT_DIRECTORY_NAME)
+
+ // FileSystem flags
+ var FS_FORMAT = 'FORMAT';
+
+ // FileSystem readyState
+ var FS_READY = 'READY';
+ var FS_PENDING = 'PENDING';
+ var FS_ERROR = 'ERROR';
+
+ function nop() {};
+
+ function hash(string) {
+ return Crypto.SHA256(string).toString(Crypto.enc.hex);
};
- var FS_FORMAT = 'format';
+ function Node(id, mode, size, atime, ctime, mtime, flags, xattrs, links, version) {
+ var now = Date.now();
+
+ this.id = id || hash(guid()),
+ this.mode = mode || MODE_FILE; // node type (file, directory, etc)
+ this.size = size || 0; // size (bytes for files, entries for directories)
+ this.atime = atime || now; // access time
+ this.ctime = ctime || now; // creation time
+ this.mtime = mtime || now; // modified time
+ this.flags = flags || ''; // file flags
+ this.xattrs = xattrs || {}; // extended attributes
+ this.links = links || 0; // links count
+ this.version = version || 0; // node version
+ this.data = hash(id) // id for data object
+ };
+
+ function DirectoryEntry(id, type) {
+ this.id = id;
+ this.type = type || MODE_FILE;
+ };
+
+ function read_object(objectStore, id, callback) {
+ var getRequest = objectStore.get(id);
+ getRequest.onsuccess = function onsuccess(event) {
+ var result = event.target.result;
+ callback(undefined, result);
+ };
+ getRequest.onerror = function onerror(error) {
+ callback(error);
+ };
+ };
+
+ function write_object(objectStore, object, id, callback) {
+ var putRequest = objectStore.put(object, id);
+ putRequest.onsuccess = function onsuccess(event) {
+ var result = event.target.result;
+ callback(undefined, result);
+ };
+ putRequest.onerror = function onerror(error) {
+ callback(error);
+ };
+ };
+
+ // in: file or directory path
+ // out: node structure, or error
+ function find_node(objectStore, path, callback) {
+ path = Path.normalize(path);
+ var name = Path.basename(path);
+
+ if(ROOT_DIRECTORY_NAME == name) {
+ function check_root_directory_node(error, rootDirectoryNode) {
+ if(error) {
+ callback(error);
+ } else if(!rootDirectoryNode) {
+ callback(new Error('ENOENT'));
+ } else {
+ callback(undefined, rootDirectoryNode);
+ }
+ };
+
+ read_object(objectStore, ROOT_NODE_ID, check_root_directory_node);
+ } else {
+ // in: parent directory node
+ // out: parent directory data
+ function read_parent_directory_data(error, parentDirectoryNode) {
+ if(error) {
+ callback(error);
+ } else if(!_(parentDirectoryNode).has('data') || !parentDirectoryNode.type == MODE_DIRECTORY) {
+ callback(new Error('ENOTDIR'));
+ } else {
+ read_object(objectStore, parentDirectoryNode.data, get_node_id_from_parent_directory_data);
+ }
+ };
+
+ // in: parent directory data
+ // out: searched node id
+ function get_node_id_from_parent_directory_data(error, parentDirectoryData) {
+ if(error) {
+ callback(error);
+ } else {
+ if(!_(parentDirectoryData).has(name)) {
+ callback(new Error('ENOENT'));
+ } else {
+ var nodeId = parentDirectoryData[name].id;
+ read_object(objectStore, nodeId, callback);
+ }
+ }
+ };
+
+ var parentPath = Path.dirname(path);
+ find_node(objectStore, parentPath, read_parent_directory_data);
+ }
+ };
+
+ function make_root_directory(objectStore, callback) {
+ var directoryNode;
+ var directoryData;
+
+ function write_directory_node(error, existingNode) {
+ if(!error && existingNode) {
+ callback(new Error('EEXIST'));
+ } else if(error && 'ENOENT' != error.message) {
+ callback(error);
+ } else {
+ directoryNode = new Node(ROOT_NODE_ID, MODE_DIRECTORY);
+ directoryNode.links += 1;
+ write_object(objectStore, directoryNode, directoryNode.id, write_directory_data);
+ }
+ };
+
+ function write_directory_data(error) {
+ if(error) {
+ callback(error);
+ } else {
+ directoryData = {};
+ write_object(objectStore, directoryData, directoryNode.data, callback);
+ }
+ };
+
+ find_node(objectStore, ROOT_DIRECTORY_NAME, write_directory_node);
+ }
+
+ function make_directory(objectStore, path, callback) {
+ path = Path.normalize(path);
+ var name = Path.basename(path);
+ var parentPath = Path.dirname(path);
+
+ var _directoryNode;
+ var _directoryData;
+ var _parentDirectoryNode;
+ var _parentDirectoryData;
+
+ function check_if_directory_exists(error, existingNode) {
+ if(!error && existingNode) {
+ callback(new Error('EEXIST'));
+ } else if(error && 'ENOENT' != error.message) {
+ callback(error);
+ } else {
+ find_node(objectStore, parentPath, read_parent_directory_data);
+ }
+ }
+
+ function read_parent_directory_data(error, parentDirectoryNode) {
+ if(error) {
+ callback(error);
+ } else {
+ _parentDirectoryNode = parentDirectoryNode;
+ read_object(objectStore, _parentDirectoryNode.data, write_directory_node);
+ }
+ };
+
+ function write_directory_node(error, parentDirectoryData) {
+ if(error) {
+ callback(error);
+ } else {
+ _parentDirectoryData = parentDirectoryData;
+ _directoryNode = new Node(undefined, MODE_DIRECTORY);
+ _directoryNode.links += 1;
+ write_object(objectStore, _directoryNode, _directoryNode.id, write_directory_data);
+ }
+ };
+
+ function write_directory_data(error) {
+ if(error) {
+ callback(error);
+ } else {
+ _directoryData = {};
+ write_object(objectStore, _directoryData, _directoryNode.data, update_parent_directory_data);
+ }
+ };
+
+ function update_parent_directory_data(error) {
+ if(error) {
+ callback(error);
+ } else {
+ _parentDirectoryData[name] = new DirectoryEntry(_directoryNode.id, MODE_DIRECTORY);
+ write_object(objectStore, _parentDirectoryData, _parentDirectoryNode.data, callback);
+ }
+ }
+
+ find_node(objectStore, path, check_if_directory_exists);
+ };
+
+ /*
+ * FileSystem
+ */
+
function FileSystem(name, flags) {
var format = _(flags).contains(FS_FORMAT);
+ var that = this;
+
+ var deferred = when.defer();
+ this.promise = deferred.promise;
var openRequest = indexedDB.open(name);
+ openRequest.onupgradeneeded = function onupgradeneeded(event) {
+ var db = event.target.result;
+
+ if(db.objectStoreNames.contains(FILE_STORE_NAME)) {
+ db.deleteObjectStore(FILE_STORE_NAME);
+ }
+ var files = db.createObjectStore(FILE_STORE_NAME);
+
+ if(db.objectStoreNames.contains(METADATA_STORE_NAME)) {
+ db.deleteObjectStore(METADATA_STORE_NAME);
+ }
+ var metadata = db.createObjectStore(METADATA_STORE_NAME);
+
+ format = true;
+ };
+ openRequest.onsuccess = function onsuccess(event) {
+ var db = event.target.result;
+
+ function complete(error) {
+ if(error) {
+ that.readyState = FS_ERROR;
+ deferred.reject(error);
+ } else {
+ that.readyState = FS_READY;
+ that.db = db;
+ deferred.resolve();
+ }
+ };
+
+ if(format) {
+ var transaction = db.transaction([FILE_STORE_NAME], IDB_RW);
+ var files = transaction.objectStore(FILE_STORE_NAME);
+
+ var clearRequest = files.clear();
+ clearRequest.onsuccess = function onsuccess(event) {
+ make_root_directory(files, complete);
+ };
+ clearRequest.onerror = function onerror(error) {
+ complete(error);
+ };
+ } else {
+ complete();
+ }
+ };
+ openRequest.onerror = function onerror(error) {
+ this.readyState = FS_ERROR;
+ deferred.reject(error);
+ };
+
+ this.readyState = FS_PENDING;
+ this.db = null;
};
- FileSystem.prototype.open = function open(transaction, path, flags, mode) {
+ FileSystem.prototype.open = function open(path, flags, mode) {
};
- FileSystem.prototype.opendir = function opendir(transaction, path) {
+ FileSystem.prototype.opendir = function opendir(path) {
};
- FileSystem.prototype.mkdir = function mkdir(transaction, path) {
+ FileSystem.prototype.mkdir = function mkdir(path) {
+ var deferred = when.defer();
+ var transaction = this.db.transaction([FILE_STORE_NAME], IDB_RW);
+ var files = transaction.objectStore(FILE_STORE_NAME);
+
+ function check_result(error) {
+ if(error) {
+ deferred.reject(error);
+ } else {
+ deferred.resolve();
+ }
+ };
+
+ make_directory(files, path, check_result);
+ return deferred.promise();
+ };
+ FileSystem.prototype.rmdir = function rmdir(path) {
};
- FileSystem.prototype.rmdir = function rmdir(transaction, path) {
+ FileSystem.prototype.stat = function stat(path) {
};
- FileSystem.prototype.stat = function stat(transaction, path) {
+ FileSystem.prototype.link = function link(oldpath, newpath) {
};
- FileSystem.prototype.link = function link(transaction, oldpath, newpath) {
+ FileSystem.prototype.unlink = function unlink(path) {
};
- FileSystem.prototype.unlink = function unlink(transaction, path) {
+ FileSystem.prototype.getxattr = function getxattr(path, name) {
};
- FileSystem.prototype.getxattr = function getxattr(transaction, path, name) {
-
- };
- FileSystem.prototype.setxattr = function setxattr(transaction, path, name, value) {
+ FileSystem.prototype.setxattr = function setxattr(path, name, value) {
};
return {
- FileSystem: FileSystem
+ FileSystem: FileSystem,
};
-};
\ No newline at end of file
+});
\ No newline at end of file
diff --git a/src/indexeddb.js b/src/indexeddb.js
index d495a44..a4ac217 100644
--- a/src/indexeddb.js
+++ b/src/indexeddb.js
@@ -16,6 +16,74 @@ define(function(require) {
this.result = result || idbTarget.result;
};
+ /*
+ * Cursor
+ */
+
+ function Cursor(idbCursor) {
+ this.idbCursor = idbCursor;
+
+ Object.defineProperty(this, 'source', {
+ get: function() {
+ return idbCursor.source;
+ }
+ });
+
+ Object.defineProperty(this, 'direction', {
+ get: function() {
+ return idbCursor.direction;
+ }
+ });
+
+ Object.defineProperty(this, 'key', {
+ get: function() {
+ return idbCursor.key;
+ }
+ });
+
+ Object.defineProperty(this, 'primaryKey', {
+ get: function() {
+ return idbCursor.primaryKey;
+ }
+ });
+ };
+ Cursor.prototype.update = function update(value) {
+ var idbCursor = this.idbCursor;
+ var deferred = when.defer();
+
+ var request = idbCursor.update(value);
+ request.onsuccess = function(event) {
+ deferred.resolve(event);
+ };
+ request.onerror = function(event) {
+ deferred.reject(event);
+ };
+
+ return deferred.promise;
+ };
+ Cursor.prototype.advance = function advance(count) {
+ var idbCursor = this.idbCursor;
+ return idbCursor.advance(count);
+ };
+ Cursor.prototype.continue = function continue(key) {
+ var idbCursor = this.idbCursor;
+ return idbCursor.continue(key);
+ };
+ Cursor.prototype.delete = function delete() {
+ var idbCursor = this.idbCursor;
+ var deferred = when.defer();
+
+ var request = idbCursor.delete();
+ request.onsuccess = function(event) {
+ deferred.resolve(event);
+ };
+ request.onerror = function(event) {
+ deferred.reject(event);
+ };
+
+ return deferred.promise;
+ };
+
/*
* ObjectStore
*/
@@ -27,7 +95,7 @@ define(function(require) {
var idbObjectStore = this.idbObjectStore;
var deferred = when.defer();
- var request = idbObjectStore.add.call(idbObjectStore, value, key);
+ var request = idbObjectStore.add(value, key);
request.onsuccess = function(event) {
deferred.resolve(event);
};
@@ -67,7 +135,7 @@ define(function(require) {
};
ObjectStore.prototype.createIndex = function createIndex(name, keyPath, optionalParameters) {
var idbObjectStore = this.idbObjectStore;
- return idbObjectStore.createIndex.call(idbObjectStore, name, keyPath, optionalParameters);
+ return idbObjectStore.createIndex(name, keyPath, optionalParameters);
};
ObjectStore.prototype.delete = function delete(key) {
var idbObjectStore = this.idbObjectStore;
@@ -85,7 +153,7 @@ define(function(require) {
};
ObjectStore.prototype.deleteIndex = function deleteIndex(name) {
var idbObjectStore = this.idbObjectStore;
- return idbObjectStore.deleteIndex.call(idbObjectStore, name);
+ return idbObjectStore.deleteIndex(name);
};
ObjectStore.prototype.get = function get(key) {
var idbObjectStore = this.idbObjectStore;
@@ -109,9 +177,15 @@ define(function(require) {
var idbObjectStore = this.idbObjectStore;
var deferred = when.defer();
- var request = idbObjectStore.openCursor(range, direction);
+ var request = (!(range || direction)) ? idbObjectStore.openCursor() : idbObjectStore.openCursor(range, direction);
request.onsuccess = function(event) {
- deferred.resolve(event);
+ var wrappedEvent = new Event(event);
+ wrappedEvent.result = event.result;
+ if(!event.result) {
+ deferred.resolve(wrappedEvent);
+ } else {
+ deferred.notify(wrappedEvent);
+ }
};
request.onerror = function(event) {
deferred.reject(event);
@@ -156,8 +230,24 @@ define(function(require) {
function Database(idbDatabase) {
this.idbDatabase = idbDatabase;
- this.name = idbDatabase.name;
- this.version = idbDatabase.version;
+
+ Object.defineProperty(this, 'name', {
+ get: function() {
+ return idbDatabase.name;
+ }
+ });
+
+ Object.defineProperty(this, 'version', {
+ get: function() {
+ return idbDatabase.version;
+ }
+ });
+
+ Object.defineProperty(this, 'objectStoreNames', {
+ get: function() {
+ return idbDatabase.objectStoreNames;
+ }
+ });
};
Database.prototype.createObjectStore = function createObjectStore(name, optionalParameters) {
var idbDatabase = this.idbDatabase;
@@ -189,12 +279,12 @@ define(function(require) {
var request = indexedDB.open(name);
request.onupgradeneeded = function(event) {
- var result = new Event(event, new Target(event.target, new Database(event.target.result)));
- deferred.notify(result);
+ var wrappedEvent = new Event(event, new Target(event.target, new Database(event.target.result)));
+ deferred.notify(wrappedEvent);
};
request.onsuccess = function(event) {
- var result = new Event(event, new Target(event.target, new Database(event.target.result)));
- deferred.resolve(result);
+ var wrappedEvent = new Event(event, new Target(event.target, new Database(event.target.result)));
+ deferred.resolve(wrappedEvent);
};
request.onerror = function(event) {
deferred.reject(event);
@@ -222,7 +312,9 @@ define(function(require) {
return {
open: open,
- deleteDatabase: deleteDatabase
+ deleteDatabase: deleteDatabase,
+ KeyRange: indexedDB.KeyRange,
+ when: when,
};
});
\ No newline at end of file
diff --git a/src/indexeddb2.js b/src/indexeddb2.js
new file mode 100644
index 0000000..ea01ce3
--- /dev/null
+++ b/src/indexeddb2.js
@@ -0,0 +1,108 @@
+define(function(require) {
+
+ var when = require('when');
+
+ var indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+
+ /*
+ * Transaction
+ */
+
+ function Transaction(idbDatabase, storeNames, mode) {
+ this.idbTransaction = idbDatabase.transaction(storeNames, mode);
+ };
+ Transaction.prototype.objectStore = function objectStore(name) {
+ var idbTransaction = this.idbTransaction;
+ return new ObjectStore(idbTransaction, name);
+ };
+ Transaction.prototype.abort = function abort() {
+ var idbTransaction = this.idbTransaction;
+ return idbTransaction.abort();
+ };
+
+ /*
+ * Database
+ */
+
+ function Database(idbDatabase) {
+ this.idbDatabase = idbDatabase;
+
+ Object.defineProperty(this, 'name', {
+ get: function() {
+ return idbDatabase.name;
+ }
+ });
+
+ Object.defineProperty(this, 'version', {
+ get: function() {
+ return idbDatabase.version;
+ }
+ });
+
+ Object.defineProperty(this, 'objectStoreNames', {
+ get: function() {
+ return idbDatabase.objectStoreNames;
+ }
+ });
+ };
+ Database.prototype.createObjectStore = function createObjectStore(name, optionalParameters) {
+ var idbDatabase = this.idbDatabase;
+ return idbDatabase.createObjectStore(name, optionalParameters);
+ };
+ Database.prototype.deleteObjectStore = function deleteObjectStore(name) {
+ var idbDatabase = this.idbDatabase;
+ return idbDatabase.deleteObjectStore(name);
+ };
+ Database.prototype.transaction = function transaction(storeNames, mode) {
+ var idbDatabase = this.idbDatabase;
+ return new Transaction(idbDatabase, storeNames, mode);
+ };
+ Database.prototype.close = function close() {
+ var idbDatabase = this.idbDatabase;
+ return idbDatabase.close();
+ };
+ Database.prototype.objectStoreNames = function objectStoreNames() {
+ var idbDatabase = this.idbDatabase;
+ return idbDatabase.objectStoreNames;
+ };
+
+ /*
+ * Factory
+ */
+
+ function Factory() {
+ this.when = when;
+ };
+ Factory.prototype.open = function open(name, version) {
+ var deferred = when.defer();
+
+ var request = indexedDB.open(name);
+ request.onupgradeneeded = function(idbEvent) {
+ var db = new Database(idbEvent.target.result);
+ var event = {
+ type: 'upgradeneeded',
+ db: db
+ };
+ deferred.notify(event);
+ };
+ request.onsuccess = function(idbEvent) {
+ var db = new Database(idbEvent.target.result);
+ var event = {
+ type: 'success',
+ db: db
+ };
+ deferred.resolve(event);
+ };
+ request.onerror = function(idbError) {
+ deferred.reject(idbError);
+ };
+
+ return deferred.promise;
+ };
+ Factory.prototype.deleteDatabase = function deleteDatabase(name) {
+
+ };
+
+ return new Factory();
+
+});
\ No newline at end of file