commit 5fa02f875bd18c0e633690a30c64145a98af1902 Author: Tretter Date: Tue Feb 7 20:09:53 2017 +0000 initial checkin from subversion diff --git a/IndexedDBShim.js b/IndexedDBShim.js new file mode 100644 index 0000000..cb11c40 --- /dev/null +++ b/IndexedDBShim.js @@ -0,0 +1,1781 @@ +/*jshint globalstrict: true*/ +'use strict'; +/** + * An initialization file that checks for conditions, removes console.log and warn, etc + */ +var idbModules = {}; + +var cleanInterface = false; +(function () { + var testObject = {test: true}; + //Test whether Object.defineProperty really works. + if (Object.defineProperty) { + try { + Object.defineProperty(testObject, 'test', { enumerable: false }); + if (testObject.test) { + cleanInterface = true; + } + } catch (e) { + //Object.defineProperty does not work as intended. + } + } +})(); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules) { + /** + * A utility method to callback onsuccess, onerror, etc as soon as the calling function's context is over + * @param {Object} fn + * @param {Object} context + * @param {Object} argArray + */ + + function callback(fn, context, event, func) { + //window.setTimeout(function(){ + event.target = context; + (typeof context[fn] === "function") && context[fn].apply(context, [event]); + (typeof func === "function") && func(); + //}, 1); + } + + /** + * Throws a new DOM Exception, + * @param {Object} name + * @param {Object} message + * @param {Object} error + */ + + function throwDOMException(name, message, error) { + var e = new DOMException.prototype.constructor(0, message); + e.name = name; + e.message = message; + if (idbModules.DEBUG) { + console.log(name, message, error, e); + console.trace && console.trace(); + } + throw e; + } + + /** + * Shim the DOMStringList object. + * + */ + var StringList = function() { + this.length = 0; + this._items = []; + //Internal functions on the prototype have been made non-enumerable below. + if (cleanInterface) { + Object.defineProperty(this, '_items', { + enumerable: false + }); + } + }; + StringList.prototype = { + // Interface. + contains: function(str) { + return -1 !== this._items.indexOf(str); + }, + item: function(key) { + return this._items[key]; + }, + + // Helpers. Should only be used internally. + indexOf: function(str) { + return this._items.indexOf(str); + }, + push: function(item) { + this._items.push(item); + this.length += 1; + for (var i = 0; i < this._items.length; i++) { + this[i] = this._items[i]; + } + }, + splice: function( /*index, howmany, item1, ..., itemX*/ ) { + this._items.splice.apply(this._items, arguments); + this.length = this._items.length; + for (var i in this) { + if (i === String(parseInt(i, 10))) { + delete this[i]; + } + } + for (i = 0; i < this._items.length; i++) { + this[i] = this._items[i]; + } + } + }; + if (cleanInterface) { + for (var i in { + 'indexOf': false, + 'push': false, + 'splice': false + }) { + Object.defineProperty(StringList.prototype, i, { + enumerable: false + }); + } + } + idbModules.util = { + "throwDOMException": throwDOMException, + "callback": callback, + "quote": function(arg) { + return "'" + arg + "'"; + }, + "StringList": StringList + }; +}(idbModules)); +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + /** + * Implementation of the Structured Cloning Algorithm. Supports the + * following object types: + * - Blob + * - Boolean + * - Date object + * - File object (deserialized as Blob object). + * - Number object + * - RegExp object + * - String object + * This is accomplished by doing the following: + * 1) Using the cycle/decycle functions from: + * https://github.com/douglascrockford/JSON-js/blob/master/cycle.js + * 2) Serializing/deserializing objects to/from string that don't work with + * JSON.stringify and JSON.parse by using object specific logic (eg use + * the FileReader API to convert a Blob or File object to a data URL. + * 3) JSON.stringify and JSON.parse do the final conversion to/from string. + */ + var Sca = (function(){ + return { + decycle: function(object, callback) { + //From: https://github.com/douglascrockford/JSON-js/blob/master/cycle.js + // Contains additional logic to convert the following object types to string + // so that they can properly be encoded using JSON.stringify: + // *Boolean + // *Date + // *File + // *Blob + // *Number + // *Regex + // Make a deep copy of an object or array, assuring that there is at most + // one instance of each object or array in the resulting structure. The + // duplicate references (which might be forming cycles) are replaced with + // an object of the form + // {$ref: PATH} + // where the PATH is a JSONPath string that locates the first occurance. + // So, + // var a = []; + // a[0] = a; + // return JSON.stringify(JSON.decycle(a)); + // produces the string '[{"$ref":"$"}]'. + + // JSONPath is used to locate the unique object. $ indicates the top level of + // the object or array. [NUMBER] or [STRING] indicates a child member or + // property. + + var objects = [], // Keep a reference to each unique object or array + paths = [], // Keep the path to each unique object or array + queuedObjects = [], + returnCallback = callback; + + /** + * Check the queue to see if all objects have been processed. + * if they have, call the callback with the converted object. + */ + function checkForCompletion() { + if (queuedObjects.length === 0) { + returnCallback(derezObj); + } + } + + /** + * Convert a blob to a data URL. + * @param {Blob} blob to convert. + * @param {String} path of blob in object being encoded. + */ + function readBlobAsDataURL(blob, path) { + var reader = new FileReader(); + reader.onloadend = function(loadedEvent) { + var dataURL = loadedEvent.target.result; + var blobtype = 'blob'; + if (blob instanceof File) { + //blobtype = 'file'; + } + updateEncodedBlob(dataURL, path, blobtype); + }; + reader.readAsDataURL(blob); + } + + /** + * Async handler to update a blob object to a data URL for encoding. + * @param {String} dataURL + * @param {String} path + * @param {String} blobtype - file if the blob is a file; blob otherwise + */ + function updateEncodedBlob(dataURL, path, blobtype) { + var encoded = queuedObjects.indexOf(path); + path = path.replace('$','derezObj'); + eval(path+'.$enc="'+dataURL+'"'); + eval(path+'.$type="'+blobtype+'"'); + queuedObjects.splice(encoded, 1); + checkForCompletion(); + } + + function derez(value, path) { + + // The derez recurses through the object, producing the deep copy. + + var i, // The loop counter + name, // Property name + nu; // The new object or array + + // typeof null === 'object', so go on if this value is really an object but not + // one of the weird builtin objects. + + if (typeof value === 'object' && value !== null && + !(value instanceof Boolean) && + !(value instanceof Date) && + !(value instanceof Number) && + !(value instanceof RegExp) && + !(value instanceof Blob) && + !(value instanceof String)) { + + // If the value is an object or array, look to see if we have already + // encountered it. If so, return a $ref/path object. This is a hard way, + // linear search that will get slower as the number of unique objects grows. + + for (i = 0; i < objects.length; i += 1) { + if (objects[i] === value) { + return {$ref: paths[i]}; + } + } + + // Otherwise, accumulate the unique value and its path. + + objects.push(value); + paths.push(path); + + // If it is an array, replicate the array. + + if (Object.prototype.toString.apply(value) === '[object Array]') { + nu = []; + for (i = 0; i < value.length; i += 1) { + nu[i] = derez(value[i], path + '[' + i + ']'); + } + } else { + // If it is an object, replicate the object. + nu = {}; + for (name in value) { + if (Object.prototype.hasOwnProperty.call(value, name)) { + nu[name] = derez(value[name], + path + '[' + JSON.stringify(name) + ']'); + } + } + } + + return nu; + } else if (value instanceof Blob) { + //Queue blob for conversion + queuedObjects.push(path); + readBlobAsDataURL(value, path); + } else if (value instanceof Boolean) { + value = { + '$type': 'bool', + '$enc': value.toString() + }; + } else if (value instanceof Date) { + value = { + '$type': 'date', + '$enc': value.getTime() + }; + } else if (value instanceof Number) { + value = { + '$type': 'num', + '$enc': value.toString() + }; + } else if (value instanceof RegExp) { + value = { + '$type': 'regex', + '$enc': value.toString() + }; + } + return value; + } + var derezObj = derez(object, '$'); + checkForCompletion(); + }, + + retrocycle: function retrocycle($) { + //From: https://github.com/douglascrockford/JSON-js/blob/master/cycle.js + // Contains additional logic to convert strings to the following object types + // so that they can properly be decoded: + // *Boolean + // *Date + // *File + // *Blob + // *Number + // *Regex + // Restore an object that was reduced by decycle. Members whose values are + // objects of the form + // {$ref: PATH} + // are replaced with references to the value found by the PATH. This will + // restore cycles. The object will be mutated. + + // The eval function is used to locate the values described by a PATH. The + // root object is kept in a $ variable. A regular expression is used to + // assure that the PATH is extremely well formed. The regexp contains nested + // * quantifiers. That has been known to have extremely bad performance + // problems on some browsers for very long strings. A PATH is expected to be + // reasonably short. A PATH is allowed to belong to a very restricted subset of + // Goessner's JSONPath. + + // So, + // var s = '[{"$ref":"$"}]'; + // return JSON.retrocycle(JSON.parse(s)); + // produces an array containing a single element which is the array itself. + + var px = /^\$(?:\[(?:\d+|\"(?:[^\\\"\u0000-\u001f]|\\([\\\"\/bfnrt]|u[0-9a-zA-Z]{4}))*\")\])*$/; + + /** + * Converts the specified data URL to a Blob object + * @param {String} dataURL to convert to a Blob + * @returns {Blob} the converted Blob object + */ + function dataURLToBlob(dataURL) { + var BASE64_MARKER = ';base64,', + contentType, + parts, + raw; + if (dataURL.indexOf(BASE64_MARKER) === -1) { + parts = dataURL.split(','); + contentType = parts[0].split(':')[1]; + raw = parts[1]; + + return new Blob([raw], {type: contentType}); + } + + parts = dataURL.split(BASE64_MARKER); + contentType = parts[0].split(':')[1]; + raw = window.atob(parts[1]); + var rawLength = raw.length; + var uInt8Array = new Uint8Array(rawLength); + + for (var i = 0; i < rawLength; ++i) { + uInt8Array[i] = raw.charCodeAt(i); + } + return new Blob([uInt8Array.buffer], {type: contentType}); + } + + function rez(value) { + // The rez function walks recursively through the object looking for $ref + // properties. When it finds one that has a value that is a path, then it + // replaces the $ref object with a reference to the value that is found by + // the path. + + var i, item, name, path; + + if (value && typeof value === 'object') { + if (Object.prototype.toString.apply(value) === '[object Array]') { + for (i = 0; i < value.length; i += 1) { + item = value[i]; + if (item && typeof item === 'object') { + path = item.$ref; + if (typeof path === 'string' && px.test(path)) { + value[i] = eval(path); + } else { + value[i] = rez(item); + } + } + } + } else { + if (value.$type !== undefined) { + switch(value.$type) { + case 'blob': + case 'file': + value = dataURLToBlob(value.$enc); + break; + case 'bool': + value = Boolean(value.$enc === 'true'); + break; + case 'date': + value = new Date(value.$enc); + break; + case 'num': + value = Number(value.$enc); + break; + case 'regex': + value = eval(value.$enc); + break; + } + } else { + for (name in value) { + if (typeof value[name] === 'object') { + item = value[name]; + if (item) { + path = item.$ref; + if (typeof path === 'string' && px.test(path)) { + value[name] = eval(path); + } else { + value[name] = rez(item); + } + } + } + } + } + } + } + return value; + } + rez($); + return $; + + }, + + /** + * Encode the specified object as a string. Because of the asynchronus + * conversion of Blob/File to string, the encode function requires + * a callback + * @param {Object} val the value to convert. + * @param {function} callback the function to call once conversion is + * complete. The callback gets called with the converted value. + */ + "encode": function(val, callback){ + function finishEncode(val) { + callback(JSON.stringify(val)); + } + this.decycle(val, finishEncode); + }, + + /** + * Deserialize the specified string to an object + * @param {String} val the serialized string + * @returns {Object} the deserialized object + */ + "decode": function(val){ + return this.retrocycle(JSON.parse(val)); + } + }; + }()); + idbModules.Sca = Sca; +}(idbModules)); +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + /** + * Encodes the keys and values based on their types. This is required to maintain collations + */ + var collations = ["", "number", "string", "boolean", "object", "undefined"]; + var getGenericEncoder = function(){ + return { + "encode": function(key){ + return collations.indexOf(typeof key) + "-" + JSON.stringify(key); + }, + "decode": function(key){ + if (typeof key === "undefined") { + return undefined; + } + else { + return JSON.parse(key.substring(2)); + } + } + }; + }; + + var types = { + "number": getGenericEncoder("number"), // decoder will fail for NaN + "boolean": getGenericEncoder(), + "object": getGenericEncoder(), + "string": { + "encode": function(key){ + return collations.indexOf("string") + "-" + key; + }, + "decode": function(key){ + return "" + key.substring(2); + } + }, + "undefined": { + "encode": function(key){ + return collations.indexOf("undefined") + "-undefined"; + }, + "decode": function(key){ + return undefined; + } + } + }; + + var Key = (function(){ + return { + encode: function(key){ + return types[typeof key].encode(key); + }, + decode: function(key){ + return types[collations[key.substring(0, 1)]].decode(key); + } + }; + }()); + idbModules.Key = Key; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules, undefined){ + // The event interface used for IndexedDB Actions. + var Event = function(type, debug){ + // Returning an object instead of an event as the event's target cannot be set to IndexedDB Objects + // We still need to have event.target.result as the result of the IDB request + return { + "type": type, + debug: debug, + bubbles: false, + cancelable: false, + eventPhase: 0, + timeStamp: new Date() + }; + }; + idbModules.Event = Event; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + + /** + * The IDBRequest Object that is returns for all async calls + * http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#request-api + */ + var IDBRequest = function(){ + this.onsuccess = this.onerror = this.result = this.error = this.source = this.transaction = null; + this.readyState = "pending"; + }; + /** + * The IDBOpen Request called when a database is opened + */ + var IDBOpenRequest = function(){ + this.onblocked = this.onupgradeneeded = null; + }; + IDBOpenRequest.prototype = IDBRequest; + + idbModules.IDBRequest = IDBRequest; + idbModules.IDBOpenRequest = IDBOpenRequest; + +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules, undefined){ + /** + * The IndexedDB KeyRange object + * http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#dfn-key-range + * @param {Object} lower + * @param {Object} upper + * @param {Object} lowerOpen + * @param {Object} upperOpen + */ + var IDBKeyRange = function(lower, upper, lowerOpen, upperOpen){ + this.lower = lower; + this.upper = upper; + this.lowerOpen = lowerOpen; + this.upperOpen = upperOpen; + }; + + IDBKeyRange.only = function(value){ + return new IDBKeyRange(value, value, false, false); + }; + + IDBKeyRange.lowerBound = function(value, open){ + return new IDBKeyRange(value, undefined, open, undefined); + }; + IDBKeyRange.upperBound = function(value){ + return new IDBKeyRange(undefined, value, undefined, open); + }; + IDBKeyRange.bound = function(lower, upper, lowerOpen, upperOpen){ + return new IDBKeyRange(lower, upper, lowerOpen, upperOpen); + }; + + idbModules.IDBKeyRange = IDBKeyRange; + +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules, undefined){ + /** + * The IndexedDB Cursor Object + * http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#idl-def-IDBCursor + * @param {Object} range + * @param {Object} direction + * @param {Object} idbObjectStore + * @param {Object} cursorRequest + */ + function IDBCursor(range, direction, idbObjectStore, cursorRequest, keyColumnName, valueColumnName){ + if (range && !(range instanceof idbModules.IDBKeyRange)) { + range = new idbModules.IDBKeyRange(range, range, false, false); + } + this.__range = range; + this.source = this.__idbObjectStore = idbObjectStore; + this.__req = cursorRequest; + + this.key = undefined; + this.direction = direction; + + this.__keyColumnName = keyColumnName; + this.__valueColumnName = valueColumnName; + this.__valueDecoder = valueColumnName === "value" ? idbModules.Sca : idbModules.Key; + + if (!this.source.transaction.__active) { + idbModules.util.throwDOMException("TransactionInactiveError - The transaction this IDBObjectStore belongs to is not active."); + } + // Setting this to -1 as continue will set it to 0 anyway + this.__offset = -1; + + this.__lastKeyContinued = undefined; // Used when continuing with a key + + this["continue"](); + } + + IDBCursor.prototype.__find = function (key, tx, success, error, recordsToLoad) { + recordsToLoad = recordsToLoad || 1; + + var me = this; + var sql = ["SELECT * FROM ", idbModules.util.quote(me.__idbObjectStore.name)]; + var sqlValues = []; + sql.push("WHERE ", me.__keyColumnName, " NOT NULL"); + if (me.__range && (me.__range.lower !== undefined || me.__range.upper !== undefined )) { + sql.push("AND"); + if (me.__range.lower !== undefined) { + sql.push(me.__keyColumnName + (me.__range.lowerOpen ? " >" : " >= ") + " ?"); + sqlValues.push(idbModules.Key.encode(me.__range.lower)); + } + (me.__range.lower !== undefined && me.__range.upper !== undefined) && sql.push("AND"); + if (me.__range.upper !== undefined) { + sql.push(me.__keyColumnName + (me.__range.upperOpen ? " < " : " <= ") + " ?"); + sqlValues.push(idbModules.Key.encode(me.__range.upper)); + } + } + if (typeof key !== "undefined") { + me.__lastKeyContinued = key; + me.__offset = 0; + } + if (me.__lastKeyContinued !== undefined) { + sql.push("AND " + me.__keyColumnName + " >= ?"); + sqlValues.push(idbModules.Key.encode(me.__lastKeyContinued)); + } + sql.push("ORDER BY ", me.__keyColumnName); + sql.push("LIMIT " + recordsToLoad + " OFFSET " + me.__offset); + idbModules.DEBUG && console.log(sql.join(" "), sqlValues); + + me.__prefetchedData = null; + tx.executeSql(sql.join(" "), sqlValues, function (tx, data) { + + if (data.rows.length > 1) { + me.__prefetchedData = data.rows; + me.__prefetchedIndex = 0; + idbModules.DEBUG && console.log("Preloaded " + me.__prefetchedData.length + " records for cursor"); + me.__decode(data.rows.item(0), success); + } + else if (data.rows.length === 1) { + me.__decode(data.rows.item(0), success); + } + else { + idbModules.DEBUG && console.log("Reached end of cursors"); + success(undefined, undefined); + } + }, function (tx, data) { + idbModules.DEBUG && console.log("Could not execute Cursor.continue"); + error(data); + }); + }; + + IDBCursor.prototype.__decode = function (rowItem, callback) { + var key = idbModules.Key.decode(rowItem[this.__keyColumnName]); + var val = this.__valueDecoder.decode(rowItem[this.__valueColumnName]); + var primaryKey = idbModules.Key.decode(rowItem.key); + callback(key, val, primaryKey); + }; + + IDBCursor.prototype["continue"] = function (key) { + var recordsToPreloadOnContinue = idbModules.cursorPreloadPackSize || 100; + var me = this; + + this.__idbObjectStore.transaction.__addToTransactionQueue(function (tx, args, success, error) { + + me.__offset++; + + var successCallback = function(key, val, primaryKey) { + me.key = key; + me.value = val; + me.primaryKey = primaryKey; + success(typeof me.key !== "undefined" ? me : undefined, me.__req); + }; + + if (me.__prefetchedData) { + // We have pre-loaded data for the cursor + me.__prefetchedIndex++; + if (me.__prefetchedIndex < me.__prefetchedData.length) { + me.__decode(me.__prefetchedData.item(me.__prefetchedIndex), successCallback); + return; + } + } + // No pre-fetched data, do query + me.__find(key, tx, successCallback, error, recordsToPreloadOnContinue); + + }); + }; + + IDBCursor.prototype.advance = function(count){ + if (count <= 0) { + idbModules.util.throwDOMException("Type Error - Count is invalid - 0 or negative", count); + } + var me = this; + this.__idbObjectStore.transaction.__addToTransactionQueue(function(tx, args, success, error){ + me.__offset += count; + me.__find(undefined, tx, function(key, value){ + me.key = key; + me.value = value; + success(typeof me.key !== "undefined" ? me : undefined, me.__req); + }, error); + }); + }; + + IDBCursor.prototype.update = function(valueToUpdate){ + var me = this, + request = this.__idbObjectStore.transaction.__createRequest(function(){}); //Stub request + idbModules.Sca.encode(valueToUpdate, function(encoded) { + me.__idbObjectStore.transaction.__pushToQueue(request, function(tx, args, success, error){ + me.__find(undefined, tx, function(key, value, primaryKey){ + var store = me.__idbObjectStore, + storeProperties = me.__idbObjectStore.transaction.db.__storeProperties; + var params = [encoded]; + var sql = "UPDATE " + idbModules.util.quote(store.name) + " SET value = ?"; + var indexList = storeProperties[store.name] && storeProperties[store.name].indexList; + // Also correct the indexes in the table + if (indexList) { + for (var index in indexList) { + var indexProps = indexList[index]; + sql += ", " + index + " = ?"; + params.push(idbModules.Key.encode(valueToUpdate[indexProps.keyPath])); + } + } + sql += " WHERE key = ?"; + params.push(idbModules.Key.encode(primaryKey)); + + idbModules.DEBUG && console.log(sql, encoded, key, primaryKey); + tx.executeSql(sql, params, function(tx, data){ + me.__prefetchedData = null; + if (data.rowsAffected === 1) { + success(key); + } + else { + error("No rows with key found" + key); + } + }, function(tx, data){ + error(data); + }); + }, error); + }); + }); + return request; + }; + + IDBCursor.prototype["delete"] = function(){ + var me = this; + return this.__idbObjectStore.transaction.__addToTransactionQueue(function(tx, args, success, error){ + me.__find(undefined, tx, function(key, value, primaryKey){ + var sql = "DELETE FROM " + idbModules.util.quote(me.__idbObjectStore.name) + " WHERE key = ?"; + idbModules.DEBUG && console.log(sql, key, primaryKey); + tx.executeSql(sql, [idbModules.Key.encode(primaryKey)], function(tx, data){ + me.__prefetchedData = null; + if (data.rowsAffected === 1) { + // lower the offset or we will miss a row + me.__offset--; + success(undefined); + } + else { + error("No rows with key found" + key); + } + }, function(tx, data){ + error(data); + }); + }, error); + }); + }; + + idbModules.IDBCursor = IDBCursor; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules, undefined){ + /** + * IDB Index + * http://www.w3.org/TR/IndexedDB/#idl-def-IDBIndex + * @param {Object} name; + * @param {Object} objectStore; + */ + function IDBIndex(indexName, idbObjectStore){ + this.indexName = this.name = indexName; + this.__idbObjectStore = this.objectStore = this.source = idbObjectStore; + + var storeProps = idbObjectStore.transaction.db.__storeProperties[idbObjectStore.name]; + var indexList = storeProps && storeProps.indexList; + + this.keyPath = ((indexList && indexList[indexName] && indexList[indexName].keyPath) || indexName); + ['multiEntry','unique'].forEach(function(prop){ + this[prop] = !!indexList && !!indexList[indexName] && !!indexList[indexName].optionalParams && !!indexList[indexName].optionalParams[prop]; + }, this); + } + + IDBIndex.prototype.__createIndex = function(indexName, keyPath, optionalParameters){ + var me = this; + var transaction = me.__idbObjectStore.transaction; + transaction.__addToTransactionQueue(function(tx, args, success, failure){ + me.__idbObjectStore.__getStoreProps(tx, function(){ + function error(){ + idbModules.util.throwDOMException(0, "Could not create new index", arguments); + } + if (transaction.mode !== 2) { + idbModules.util.throwDOMException(0, "Invalid State error, not a version transaction", me.transaction); + } + var idxList = JSON.parse(me.__idbObjectStore.__storeProps.indexList); + if (typeof idxList[indexName] !== "undefined") { + idbModules.util.throwDOMException(0, "Index already exists on store", idxList); + } + var columnName = indexName; + idxList[indexName] = { + "columnName": columnName, + "keyPath": keyPath, + "optionalParams": optionalParameters + }; + // For this index, first create a column + me.__idbObjectStore.__storeProps.indexList = JSON.stringify(idxList); + var sql = ["ALTER TABLE", idbModules.util.quote(me.__idbObjectStore.name), "ADD", columnName, "BLOB"].join(" "); + idbModules.DEBUG && console.log(sql); + tx.executeSql(sql, [], function(tx, data){ + // Once a column is created, put existing records into the index + tx.executeSql("SELECT * FROM " + idbModules.util.quote(me.__idbObjectStore.name), [], function(tx, data){ + (function initIndexForRow(i){ + if (i < data.rows.length) { + try { + var value = idbModules.Sca.decode(data.rows.item(i).value); + var indexKey = eval("value['" + keyPath + "']"); + tx.executeSql("UPDATE " + idbModules.util.quote(me.__idbObjectStore.name) + " set " + columnName + " = ? where key = ?", [idbModules.Key.encode(indexKey), data.rows.item(i).key], function(tx, data){ + initIndexForRow(i + 1); + }, error); + } + catch (e) { + // Not a valid value to insert into index, so just continue + initIndexForRow(i + 1); + } + } + else { + idbModules.DEBUG && console.log("Updating the indexes in table", me.__idbObjectStore.__storeProps); + tx.executeSql("UPDATE __sys__ set indexList = ? where name = ?", [me.__idbObjectStore.__storeProps.indexList, me.__idbObjectStore.name], function(){ + me.__idbObjectStore.__setReadyState("createIndex", true); + success(me); + }, error); + } + }(0)); + }, error); + }, error); + }, "createObjectStore"); + }); + }; + + IDBIndex.prototype.openCursor = function(range, direction){ + var cursorRequest = new idbModules.IDBRequest(); + var cursor = new idbModules.IDBCursor(range, direction, this.source, cursorRequest, this.indexName, "value"); + return cursorRequest; + }; + + IDBIndex.prototype.openKeyCursor = function(range, direction){ + var cursorRequest = new idbModules.IDBRequest(); + var cursor = new idbModules.IDBCursor(range, direction, this.source, cursorRequest, this.indexName, "key"); + return cursorRequest; + }; + + IDBIndex.prototype.__fetchIndexData = function(key, opType){ + var me = this; + return me.__idbObjectStore.transaction.__addToTransactionQueue(function(tx, args, success, error){ + var sql = ["SELECT * FROM ", idbModules.util.quote(me.__idbObjectStore.name), " WHERE", me.indexName, "NOT NULL"]; + var sqlValues = []; + if (typeof key !== "undefined") { + sql.push("AND", me.indexName, " = ?"); + sqlValues.push(idbModules.Key.encode(key)); + } + idbModules.DEBUG && console.log("Trying to fetch data for Index", sql.join(" "), sqlValues); + tx.executeSql(sql.join(" "), sqlValues, function(tx, data){ + var d; + if (opType === "count") { + d = data.rows.length; + } + else + if (data.rows.length === 0) { + d = undefined; + } + else + if (opType === "key") { + d = idbModules.Key.decode(data.rows.item(0).key); + } + else { // when opType is value + d = idbModules.Sca.decode(data.rows.item(0).value); + } + success(d); + }, error); + }); + }; + + IDBIndex.prototype.get = function(key){ + return this.__fetchIndexData(key, "value"); + }; + + IDBIndex.prototype.getKey = function(key){ + return this.__fetchIndexData(key, "key"); + }; + + IDBIndex.prototype.count = function(key){ + return this.__fetchIndexData(key, "count"); + }; + + idbModules.IDBIndex = IDBIndex; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + + /** + * IndexedDB Object Store + * http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#idl-def-IDBObjectStore + * @param {Object} name + * @param {Object} transaction + */ + var IDBObjectStore = function(name, idbTransaction, ready){ + this.name = name; + this.transaction = idbTransaction; + this.__ready = {}; + this.__setReadyState("createObjectStore", typeof ready === "undefined" ? true : ready); + this.indexNames = new idbModules.util.StringList(); + var dbProps = idbTransaction.db.__storeProperties; + if (dbProps[name] && dbProps[name].indexList) { + var indexes = dbProps[name].indexList; + for (var indexName in indexes) { + if(indexes.hasOwnProperty(indexName)) { + this.indexNames.push(indexName); + } + } + } + }; + + /** + * Need this flag as createObjectStore is synchronous. So, we simply return when create ObjectStore is called + * but do the processing in the background. All other operations should wait till ready is set + * @param {Object} val + */ + IDBObjectStore.prototype.__setReadyState = function(key, val){ + this.__ready[key] = val; + }; + + /** + * Called by all operations on the object store, waits till the store is ready, and then performs the operation + * @param {Object} callback + */ + IDBObjectStore.prototype.__waitForReady = function(callback, key){ + var ready = true; + if (typeof key !== "undefined") { + ready = (typeof this.__ready[key] === "undefined") ? true : this.__ready[key]; + } + else { + for (var x in this.__ready) { + if (!this.__ready[x]) { + ready = false; + } + } + } + + if (ready) { + callback(); + } + else { + idbModules.DEBUG && console.log("Waiting for to be ready", key); + var me = this; + window.setTimeout(function(){ + me.__waitForReady(callback, key); + }, 100); + } + }; + + /** + * Gets (and optionally caches) the properties like keyPath, autoincrement, etc for this objectStore + * @param {Object} callback + */ + IDBObjectStore.prototype.__getStoreProps = function(tx, callback, waitOnProperty){ + var me = this; + this.__waitForReady(function(){ + if (me.__storeProps) { + idbModules.DEBUG && console.log("Store properties - cached", me.__storeProps); + callback(me.__storeProps); + } + else { + tx.executeSql("SELECT * FROM __sys__ where name = ?", [me.name], function(tx, data){ + if (data.rows.length !== 1) { + callback(); + } + else { + me.__storeProps = { + "name": data.rows.item(0).name, + "indexList": data.rows.item(0).indexList, + "autoInc": data.rows.item(0).autoInc, + "keyPath": data.rows.item(0).keyPath + }; + idbModules.DEBUG && console.log("Store properties", me.__storeProps); + callback(me.__storeProps); + } + }, function(){ + callback(); + }); + } + }, waitOnProperty); + }; + + /** + * From the store properties and object, extracts the value for the key in hte object Store + * If the table has auto increment, get the next in sequence + * @param {Object} props + * @param {Object} value + * @param {Object} key + */ + IDBObjectStore.prototype.__deriveKey = function(tx, value, key, callback){ + function getNextAutoIncKey(){ + tx.executeSql("SELECT * FROM sqlite_sequence where name like ?", [me.name], function(tx, data){ + if (data.rows.length !== 1) { + callback(0); + } + else { + callback(data.rows.item(0).seq); + } + }, function(tx, error){ + idbModules.util.throwDOMException(0, "Data Error - Could not get the auto increment value for key", error); + }); + } + + var me = this; + me.__getStoreProps(tx, function(props){ + if (!props) { + idbModules.util.throwDOMException(0, "Data Error - Could not locate defination for this table", props); + } + if (props.keyPath) { + if (typeof key !== "undefined") { + idbModules.util.throwDOMException(0, "Data Error - The object store uses in-line keys and the key parameter was provided", props); + } + if (value) { + try { + var primaryKey = eval("value['" + props.keyPath + "']"); + if (primaryKey === undefined) { + if (props.autoInc === "true") { + getNextAutoIncKey(); + } + else { + idbModules.util.throwDOMException(0, "Data Error - Could not eval key from keyPath"); + } + } + else { + callback(primaryKey); + } + } + catch (e) { + idbModules.util.throwDOMException(0, "Data Error - Could not eval key from keyPath", e); + } + } + else { + idbModules.util.throwDOMException(0, "Data Error - KeyPath was specified, but value was not"); + } + } + else { + if (typeof key !== "undefined") { + callback(key); + } + else { + if (props.autoInc === "false") { + idbModules.util.throwDOMException(0, "Data Error - The object store uses out-of-line keys and has no key generator and the key parameter was not provided. ", props); + } + else { + // Looks like this has autoInc, so lets get the next in sequence and return that. + getNextAutoIncKey(); + } + } + } + }); + }; + + IDBObjectStore.prototype.__insertData = function(tx, encoded, value, primaryKey, success, error){ + var paramMap = {}; + if (typeof primaryKey !== "undefined") { + paramMap.key = idbModules.Key.encode(primaryKey); + } + var indexes = JSON.parse(this.__storeProps.indexList); + for (var key in indexes) { + try { + paramMap[indexes[key].columnName] = idbModules.Key.encode(eval("value['" + indexes[key].keyPath + "']")); + } + catch (e) { + error(e); + } + } + var sqlStart = ["INSERT INTO ", idbModules.util.quote(this.name), "("]; + var sqlEnd = [" VALUES ("]; + var sqlValues = []; + for (key in paramMap) { + sqlStart.push(key + ","); + sqlEnd.push("?,"); + sqlValues.push(paramMap[key]); + } + // removing the trailing comma + sqlStart.push("value )"); + sqlEnd.push("?)"); + sqlValues.push(encoded); + + var sql = sqlStart.join(" ") + sqlEnd.join(" "); + + idbModules.DEBUG && console.log("SQL for adding", sql, sqlValues); + tx.executeSql(sql, sqlValues, function(tx, data){ + success(primaryKey); + }, function(tx, err){ + error(err); + }); + }; + + IDBObjectStore.prototype.add = function(value, key){ + var me = this, + request = me.transaction.__createRequest(function(){}); //Stub request + idbModules.Sca.encode(value, function(encoded) { + me.transaction.__pushToQueue(request, function(tx, args, success, error){ + me.__deriveKey(tx, value, key, function(primaryKey){ + me.__insertData(tx, encoded, value, primaryKey, success, error); + }); + }); + }); + return request; + }; + + IDBObjectStore.prototype.put = function(value, key){ + var me = this, + request = me.transaction.__createRequest(function(){}); //Stub request + idbModules.Sca.encode(value, function(encoded) { + me.transaction.__pushToQueue(request, function(tx, args, success, error){ + me.__deriveKey(tx, value, key, function(primaryKey){ + // First try to delete if the record exists + var sql = "DELETE FROM " + idbModules.util.quote(me.name) + " where key = ?"; + tx.executeSql(sql, [idbModules.Key.encode(primaryKey)], function(tx, data){ + idbModules.DEBUG && console.log("Did the row with the", primaryKey, "exist? ", data.rowsAffected); + me.__insertData(tx, encoded, value, primaryKey, success, error); + }, function(tx, err){ + error(err); + }); + }); + }); + }); + return request; + }; + + IDBObjectStore.prototype.get = function(key){ + // TODO Key should also be a key range + var me = this; + return me.transaction.__addToTransactionQueue(function(tx, args, success, error){ + me.__waitForReady(function(){ + var primaryKey = idbModules.Key.encode(key); + idbModules.DEBUG && console.log("Fetching", me.name, primaryKey); + tx.executeSql("SELECT * FROM " + idbModules.util.quote(me.name) + " where key = ?", [primaryKey], function(tx, data){ + idbModules.DEBUG && console.log("Fetched data", data); + try { + // Opera can't deal with the try-catch here. + if (0 === data.rows.length) { + return success(); + } + + success(idbModules.Sca.decode(data.rows.item(0).value)); + } + catch (e) { + idbModules.DEBUG && console.log(e); + // If no result is returned, or error occurs when parsing JSON + success(undefined); + } + }, function(tx, err){ + error(err); + }); + }); + }); + }; + + IDBObjectStore.prototype["delete"] = function(key){ + // TODO key should also support key ranges + var me = this; + return me.transaction.__addToTransactionQueue(function(tx, args, success, error){ + me.__waitForReady(function(){ + var primaryKey = idbModules.Key.encode(key); + idbModules.DEBUG && console.log("Fetching", me.name, primaryKey); + tx.executeSql("DELETE FROM " + idbModules.util.quote(me.name) + " where key = ?", [primaryKey], function(tx, data){ + idbModules.DEBUG && console.log("Deleted from database", data.rowsAffected); + success(); + }, function(tx, err){ + error(err); + }); + }); + }); + }; + + IDBObjectStore.prototype.clear = function(){ + var me = this; + return me.transaction.__addToTransactionQueue(function(tx, args, success, error){ + me.__waitForReady(function(){ + tx.executeSql("DELETE FROM " + idbModules.util.quote(me.name), [], function(tx, data){ + idbModules.DEBUG && console.log("Cleared all records from database", data.rowsAffected); + success(); + }, function(tx, err){ + error(err); + }); + }); + }); + }; + + IDBObjectStore.prototype.count = function(key){ + var me = this; + return me.transaction.__addToTransactionQueue(function(tx, args, success, error){ + me.__waitForReady(function(){ + var sql = "SELECT * FROM " + idbModules.util.quote(me.name) + ((typeof key !== "undefined") ? " WHERE key = ?" : ""); + var sqlValues = []; + (typeof key !== "undefined") && sqlValues.push(idbModules.Key.encode(key)); + tx.executeSql(sql, sqlValues, function(tx, data){ + success(data.rows.length); + }, function(tx, err){ + error(err); + }); + }); + }); + }; + + IDBObjectStore.prototype.openCursor = function(range, direction){ + var cursorRequest = new idbModules.IDBRequest(); + var cursor = new idbModules.IDBCursor(range, direction, this, cursorRequest, "key", "value"); + return cursorRequest; + }; + + IDBObjectStore.prototype.index = function(indexName){ + var index = new idbModules.IDBIndex(indexName, this); + return index; + }; + + IDBObjectStore.prototype.createIndex = function(indexName, keyPath, optionalParameters){ + var me = this; + optionalParameters = optionalParameters || {}; + me.__setReadyState("createIndex", false); + var result = new idbModules.IDBIndex(indexName, me); + me.__waitForReady(function(){ + result.__createIndex(indexName, keyPath, optionalParameters); + }, "createObjectStore"); + me.indexNames.push(indexName); + + // Also update the db indexList, because after reopening the store, we still want to know this indexName + var storeProps = me.transaction.db.__storeProperties[me.name]; + storeProps.indexList[indexName] = { + keyPath: keyPath, + optionalParams: optionalParameters + }; + return result; + }; + + IDBObjectStore.prototype.deleteIndex = function(indexName){ + var result = new idbModules.IDBIndex(indexName, this, false); + result.__deleteIndex(indexName); + return result; + }; + + idbModules.IDBObjectStore = IDBObjectStore; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + + /** + * The IndexedDB Transaction + * http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#idl-def-IDBTransaction + * @param {Object} storeNames + * @param {Object} mode + * @param {Object} db + */ + var READ = 0; + var READ_WRITE = 1; + var VERSION_TRANSACTION = 2; + + var IDBTransaction = function(storeNames, mode, db){ + if (typeof mode === "number") { + this.mode = mode; + (mode !== 2) && idbModules.DEBUG && console.log("Mode should be a string, but was specified as ", mode); + } + else + if (typeof mode === "string") { + switch (mode) { + case "readwrite": + this.mode = READ_WRITE; + break; + case "readonly": + this.mode = READ; + break; + default: + this.mode = READ; + break; + } + } + + this.storeNames = typeof storeNames === "string" ? [storeNames] : storeNames; + for (var i = 0; i < this.storeNames.length; i++) { + if (!db.objectStoreNames.contains(this.storeNames[i])) { + idbModules.util.throwDOMException(0, "The operation failed because the requested database object could not be found. For example, an object store did not exist but was being opened.", this.storeNames[i]); + } + } + this.__active = true; + this.__running = false; + this.__requests = []; + this.__aborted = false; + this.db = db; + this.error = null; + this.onabort = this.onerror = this.oncomplete = null; + var me = this; + }; + + IDBTransaction.prototype.__executeRequests = function(){ + if (this.__running && this.mode !== VERSION_TRANSACTION) { + idbModules.DEBUG && console.log("Looks like the request set is already running", this.mode); + return; + } + this.__running = true; + var me = this; + window.setTimeout(function(){ + if (me.mode !== 2 && !me.__active) { + idbModules.util.throwDOMException(0, "A request was placed against a transaction which is currently not active, or which is finished", me.__active); + } + // Start using the version transaction + me.db.__db.transaction(function(tx){ + me.__tx = tx; + var q = null, i = 0; + function success(result, req){ + if (req) { + q.req = req;// Need to do this in case of cursors + } + q.req.readyState = "done"; + q.req.result = result; + delete q.req.error; + var e = idbModules.Event("success"); + idbModules.util.callback("onsuccess", q.req, e); + i++; + executeRequest(); + } + + function error(errorVal){ + q.req.readyState = "done"; + q.req.error = "DOMError"; + var e = idbModules.Event("error", arguments); + idbModules.util.callback("onerror", q.req, e); + i++; + executeRequest(); + } + function executeRequest(){ + if (i >= me.__requests.length) { + me.__active = false; // All requests in the transaction is done + me.__requests = []; + return; + } + q = me.__requests[i]; + q.op(tx, q.args, success, error); + } + try { + executeRequest(); + } + catch (e) { + idbModules.DEBUG && console.log("An exception occured in transaction", arguments); + typeof me.onerror === "function" && me.onerror(); + } + }, function(){ + idbModules.DEBUG && console.log("An error in transaction", arguments); + typeof me.onerror === "function" && me.onerror(); + }, function(){ + idbModules.DEBUG && console.log("Transaction completed", arguments); + typeof me.oncomplete === "function" && me.oncomplete(); + }); + }, 1); + }; + + IDBTransaction.prototype.__addToTransactionQueue = function(callback, args){ + if (!this.__active && this.mode !== VERSION_TRANSACTION) { + idbModules.util.throwDOMException(0, "A request was placed against a transaction which is currently not active, or which is finished.", this.__mode); + } + var request = this.__createRequest(); + this.__pushToQueue(request, callback, args); + return request; + }; + + IDBTransaction.prototype.__createRequest = function(){ + var request = new idbModules.IDBRequest(); + request.source = this.db; + request.transaction = this; + return request; + }; + + IDBTransaction.prototype.__pushToQueue = function(request, callback, args) { + this.__requests.push({ + "op": callback, + "args": args, + "req": request + }); + // Start the queue for executing the requests + this.__executeRequests(); + }; + + IDBTransaction.prototype.objectStore = function(objectStoreName){ + return new idbModules.IDBObjectStore(objectStoreName, this); + }; + + IDBTransaction.prototype.abort = function(){ + !this.__active && idbModules.util.throwDOMException(0, "A request was placed against a transaction which is currently not active, or which is finished", this.__active); + + }; + + IDBTransaction.prototype.READ_ONLY = 0; + IDBTransaction.prototype.READ_WRITE = 1; + IDBTransaction.prototype.VERSION_CHANGE = 2; + + idbModules.IDBTransaction = IDBTransaction; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + + /** + * IDB Database Object + * http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#database-interface + * @param {Object} db + */ + var IDBDatabase = function(db, name, version, storeProperties){ + this.__db = db; + this.version = version; + this.objectStoreNames = new idbModules.util.StringList(); + for (var i = 0; i < storeProperties.rows.length; i++) { + this.objectStoreNames.push(storeProperties.rows.item(i).name); + } + // Convert store properties to an object because we need to modify the object when a db is upgraded and new + // stores/indexes are being created + this.__storeProperties = {}; + for (i = 0; i < storeProperties.rows.length; i++) { + var row = storeProperties.rows.item(i); + var objectStoreProps = this.__storeProperties[row.name] = {}; + objectStoreProps.keyPath = row.keypath; + objectStoreProps.autoInc = row.autoInc === "true"; + objectStoreProps.indexList = JSON.parse(row.indexList); + } + this.name = name; + this.onabort = this.onerror = this.onversionchange = null; + }; + + IDBDatabase.prototype.createObjectStore = function(storeName, createOptions){ + var me = this; + createOptions = createOptions || {}; + createOptions.keyPath = createOptions.keyPath || null; + var result = new idbModules.IDBObjectStore(storeName, me.__versionTransaction, false); + + var transaction = me.__versionTransaction; + transaction.__addToTransactionQueue(function(tx, args, success, failure){ + function error(){ + idbModules.util.throwDOMException(0, "Could not create new object store", arguments); + } + + if (!me.__versionTransaction) { + idbModules.util.throwDOMException(0, "Invalid State error", me.transaction); + } + //key INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL UNIQUE + var sql = ["CREATE TABLE", idbModules.util.quote(storeName), "(key BLOB", createOptions.autoIncrement ? ", inc INTEGER PRIMARY KEY AUTOINCREMENT" : "PRIMARY KEY", ", value BLOB)"].join(" "); + idbModules.DEBUG && console.log(sql); + tx.executeSql(sql, [], function(tx, data){ + tx.executeSql("INSERT INTO __sys__ VALUES (?,?,?,?)", [storeName, createOptions.keyPath, createOptions.autoIncrement ? true : false, "{}"], function(){ + result.__setReadyState("createObjectStore", true); + success(result); + }, error); + }, error); + }); + + // The IndexedDB Specification needs us to return an Object Store immediatly, but WebSQL does not create and return the store immediatly + // Hence, this can technically be unusable, and we hack around it, by setting the ready value to false + me.objectStoreNames.push(storeName); + // Also store this for the first run + var storeProps = me.__storeProperties[storeName] = {}; + storeProps.keyPath = createOptions.keyPath; + storeProps.autoInc = !!createOptions.autoIncrement; + storeProps.indexList = {}; + return result; + }; + + IDBDatabase.prototype.deleteObjectStore = function(storeName){ + var error = function(){ + idbModules.util.throwDOMException(0, "Could not delete ObjectStore", arguments); + }; + var me = this; + !me.objectStoreNames.contains(storeName) && error("Object Store does not exist"); + me.objectStoreNames.splice(me.objectStoreNames.indexOf(storeName), 1); + + var transaction = me.__versionTransaction; + transaction.__addToTransactionQueue(function(tx, args, success, failure){ + if (!me.__versionTransaction) { + idbModules.util.throwDOMException(0, "Invalid State error", me.transaction); + } + me.__db.transaction(function(tx){ + tx.executeSql("SELECT * FROM __sys__ where name = ?", [storeName], function(tx, data){ + if (data.rows.length > 0) { + tx.executeSql("DROP TABLE " + idbModules.util.quote(storeName), [], function(){ + tx.executeSql("DELETE FROM __sys__ WHERE name = ?", [storeName], function(){ + }, error); + }, error); + } + }); + }); + }); + }; + + IDBDatabase.prototype.close = function(){ + // Don't do anything coz the database automatically closes + }; + + IDBDatabase.prototype.transaction = function(storeNames, mode){ + var transaction = new idbModules.IDBTransaction(storeNames, mode || 1, this); + return transaction; + }; + + idbModules.IDBDatabase = IDBDatabase; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(idbModules){ + var DEFAULT_DB_SIZE = 4 * 1024 * 1024; + if (!window.openDatabase) { + return; + } + // The sysDB to keep track of version numbers for databases + var sysdb = window.openDatabase("__sysdb__", 1, "System Database", DEFAULT_DB_SIZE); + sysdb.transaction(function(tx){ + tx.executeSql("CREATE TABLE IF NOT EXISTS dbVersions (name VARCHAR(255), version INT);", []); + }, function() { + idbModules.DEBUG && console.log("Error in sysdb transaction - when creating dbVersions", arguments); + }); + + var shimIndexedDB = { + /** + * The IndexedDB Method to create a new database and return the DB + * @param {Object} name + * @param {Object} version + */ + open: function(name, version){ + var req = new idbModules.IDBOpenRequest(); + var calledDbCreateError = false; + + function dbCreateError(){ + if (calledDbCreateError) { + return; + } + var e = idbModules.Event("error", arguments); + req.readyState = "done"; + req.error = "DOMError"; + idbModules.util.callback("onerror", req, e); + calledDbCreateError = true; + } + + function openDB(oldVersion){ + var db = window.openDatabase(name, 1, name, DEFAULT_DB_SIZE); + req.readyState = "done"; + if (typeof version === "undefined") { + version = oldVersion || 1; + } + if (version <= 0 || oldVersion > version) { + idbModules.util.throwDOMException(0, "An attempt was made to open a database using a lower version than the existing version.", version); + } + + db.transaction(function(tx){ + tx.executeSql("CREATE TABLE IF NOT EXISTS __sys__ (name VARCHAR(255), keyPath VARCHAR(255), autoInc BOOLEAN, indexList BLOB)", [], function(){ + tx.executeSql("SELECT * FROM __sys__", [], function(tx, data){ + var e = idbModules.Event("success"); + req.source = req.result = new idbModules.IDBDatabase(db, name, version, data); + if (oldVersion < version) { + // DB Upgrade in progress + sysdb.transaction(function(systx){ + systx.executeSql("UPDATE dbVersions set version = ? where name = ?", [version, name], function(){ + var e = idbModules.Event("upgradeneeded"); + e.oldVersion = oldVersion; + e.newVersion = version; + req.transaction = req.result.__versionTransaction = new idbModules.IDBTransaction([], 2, req.source); + idbModules.util.callback("onupgradeneeded", req, e, function(){ + var e = idbModules.Event("success"); + idbModules.util.callback("onsuccess", req, e); + }); + }, dbCreateError); + }, dbCreateError); + } else { + idbModules.util.callback("onsuccess", req, e); + } + }, dbCreateError); + }, dbCreateError); + }, dbCreateError); + } + + sysdb.transaction(function(tx){ + tx.executeSql("SELECT * FROM dbVersions where name = ?", [name], function(tx, data){ + if (data.rows.length === 0) { + // Database with this name does not exist + tx.executeSql("INSERT INTO dbVersions VALUES (?,?)", [name, version || 1], function(){ + openDB(0); + }, dbCreateError); + } else { + openDB(data.rows.item(0).version); + } + }, dbCreateError); + }, dbCreateError); + + return req; + }, + + "deleteDatabase": function(name){ + var req = new idbModules.IDBOpenRequest(); + var calledDBError = false; + function dbError(msg){ + if (calledDBError) { + return; + } + req.readyState = "done"; + req.error = "DOMError"; + var e = idbModules.Event("error"); + e.message = msg; + e.debug = arguments; + idbModules.util.callback("onerror", req, e); + calledDBError = true; + } + var version = null; + function deleteFromDbVersions(){ + sysdb.transaction(function(systx){ + systx.executeSql("DELETE FROM dbVersions where name = ? ", [name], function(){ + req.result = undefined; + var e = idbModules.Event("success"); + e.newVersion = null; + e.oldVersion = version; + idbModules.util.callback("onsuccess", req, e); + }, dbError); + }, dbError); + } + sysdb.transaction(function(systx){ + systx.executeSql("SELECT * FROM dbVersions where name = ?", [name], function(tx, data){ + if (data.rows.length === 0) { + req.result = undefined; + var e = idbModules.Event("success"); + e.newVersion = null; + e.oldVersion = version; + idbModules.util.callback("onsuccess", req, e); + return; + } + version = data.rows.item(0).version; + var db = window.openDatabase(name, 1, name, DEFAULT_DB_SIZE); + db.transaction(function(tx){ + tx.executeSql("SELECT * FROM __sys__", [], function(tx, data){ + var tables = data.rows; + (function deleteTables(i){ + if (i >= tables.length) { + // If all tables are deleted, delete the housekeeping tables + tx.executeSql("DROP TABLE __sys__", [], function(){ + // Finally, delete the record for this DB from sysdb + deleteFromDbVersions(); + }, dbError); + } else { + // Delete all tables in this database, maintained in the sys table + tx.executeSql("DROP TABLE " + idbModules.util.quote(tables.item(i).name), [], function(){ + deleteTables(i + 1); + }, function(){ + deleteTables(i + 1); + }); + } + }(0)); + }, function(e){ + // __sysdb table does not exist, but that does not mean delete did not happen + deleteFromDbVersions(); + }); + }, dbError); + }); + }, dbError); + return req; + }, + "cmp": function(key1, key2){ + return idbModules.Key.encode(key1) > idbModules.Key.encode(key2) ? 1 : key1 === key2 ? 0 : -1; + } + }; + + idbModules.shimIndexedDB = shimIndexedDB; +}(idbModules)); + +/*jshint globalstrict: true*/ +'use strict'; +(function(window, idbModules){ + if (typeof window.openDatabase !== "undefined") { + window.shimIndexedDB = idbModules.shimIndexedDB; + if (window.shimIndexedDB) { + window.shimIndexedDB.__useShim = function(){ + window.indexedDB = idbModules.shimIndexedDB; + window.IDBDatabase = idbModules.IDBDatabase; + window.IDBTransaction = idbModules.IDBTransaction; + window.IDBCursor = idbModules.IDBCursor; + window.IDBKeyRange = idbModules.IDBKeyRange; + // On some browsers the assignment fails, overwrite with the defineProperty method + if (window.indexedDB !== idbModules.shimIndexedDB && Object.defineProperty) { + Object.defineProperty(window, 'indexedDB', { + value: idbModules.shimIndexedDB + }); + } + }; + window.shimIndexedDB.__debug = function(val){ + idbModules.DEBUG = val; + }; + } + } + + /* + prevent error in Firefox + */ + if(!('indexedDB' in window)) { + window.indexedDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.oIndexedDB || window.msIndexedDB; + } + + /* + detect browsers with known IndexedDb issues (e.g. Android pre-4.4) + */ + var poorIndexedDbSupport = false; + if (navigator.userAgent.match(/Android 2/) || navigator.userAgent.match(/Android 3/) || navigator.userAgent.match(/Android 4\.[0-3]/)) { + /* Chrome is an exception. It supports IndexedDb */ + if (!navigator.userAgent.match(/Chrome/)) { + poorIndexedDbSupport = true; + } + } + + if ((typeof window.indexedDB === "undefined" || poorIndexedDbSupport) && typeof window.openDatabase !== "undefined") { + window.shimIndexedDB.__useShim(); + } + else { + window.IDBDatabase = window.IDBDatabase || window.webkitIDBDatabase; + window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction; + window.IDBCursor = window.IDBCursor || window.webkitIDBCursor; + window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange; + if(!window.IDBTransaction){ + window.IDBTransaction = {}; + } + /* Some browsers (e.g. Chrome 18 on Android) support IndexedDb but do not allow writing of these properties */ + try { + window.IDBTransaction.READ_ONLY = window.IDBTransaction.READ_ONLY || "readonly"; + window.IDBTransaction.READ_WRITE = window.IDBTransaction.READ_WRITE || "readwrite"; + } catch (e) {} + } + +}(window, idbModules)); + diff --git a/IndexedDBShim.min.js b/IndexedDBShim.min.js new file mode 100644 index 0000000..682ae30 --- /dev/null +++ b/IndexedDBShim.min.js @@ -0,0 +1,4 @@ +/*! IndexedDBShim - v0.1.2 - 2014-09-08 */ + +"use strict";var idbModules={},cleanInterface=!1;!function(){var a={test:!0};if(Object.defineProperty)try{Object.defineProperty(a,"test",{enumerable:!1}),a.test&&(cleanInterface=!0)}catch(b){}}(),function(a){function b(a,b,c,d){c.target=b,"function"==typeof b[a]&&b[a].apply(b,[c]),"function"==typeof d&&d()}function c(b,c,d){var e=new DOMException.prototype.constructor(0,c);throw e.name=b,e.message=c,a.DEBUG&&(console.log(b,c,d,e),console.trace&&console.trace()),e}var d=function(){this.length=0,this._items=[],cleanInterface&&Object.defineProperty(this,"_items",{enumerable:!1})};if(d.prototype={contains:function(a){return-1!==this._items.indexOf(a)},item:function(a){return this._items[a]},indexOf:function(a){return this._items.indexOf(a)},push:function(a){this._items.push(a),this.length+=1;for(var b=0;bh;++h)g[h]=d.charCodeAt(h);return new Blob([g.buffer],{type:b})}function rez(value){var i,item,name,path;if(value&&"object"==typeof value)if("[object Array]"===Object.prototype.toString.apply(value))for(i=0;i":" >= ")+" ?"),j.push(a.Key.encode(h.__range.lower))),h.__range.lower!==b&&h.__range.upper!==b&&i.push("AND"),h.__range.upper!==b&&(i.push(h.__keyColumnName+(h.__range.upperOpen?" < ":" <= ")+" ?"),j.push(a.Key.encode(h.__range.upper)))),"undefined"!=typeof c&&(h.__lastKeyContinued=c,h.__offset=0),h.__lastKeyContinued!==b&&(i.push("AND "+h.__keyColumnName+" >= ?"),j.push(a.Key.encode(h.__lastKeyContinued))),i.push("ORDER BY ",h.__keyColumnName),i.push("LIMIT "+g+" OFFSET "+h.__offset),a.DEBUG&&console.log(i.join(" "),j),h.__prefetchedData=null,d.executeSql(i.join(" "),j,function(c,d){d.rows.length>1?(h.__prefetchedData=d.rows,h.__prefetchedIndex=0,a.DEBUG&&console.log("Preloaded "+h.__prefetchedData.length+" records for cursor"),h.__decode(d.rows.item(0),e)):1===d.rows.length?h.__decode(d.rows.item(0),e):(a.DEBUG&&console.log("Reached end of cursors"),e(b,b))},function(b,c){a.DEBUG&&console.log("Could not execute Cursor.continue"),f(c)})},c.prototype.__decode=function(b,c){var d=a.Key.decode(b[this.__keyColumnName]),e=this.__valueDecoder.decode(b[this.__valueColumnName]),f=a.Key.decode(b.key);c(d,e,f)},c.prototype["continue"]=function(c){var d=a.cursorPreloadPackSize||100,e=this;this.__idbObjectStore.transaction.__addToTransactionQueue(function(a,f,g,h){e.__offset++;var i=function(a,c,d){e.key=a,e.value=c,e.primaryKey=d,g("undefined"!=typeof e.key?e:b,e.__req)};return e.__prefetchedData&&(e.__prefetchedIndex++,e.__prefetchedIndex=c&&a.util.throwDOMException("Type Error - Count is invalid - 0 or negative",c);var d=this;this.__idbObjectStore.transaction.__addToTransactionQueue(function(a,e,f,g){d.__offset+=c,d.__find(b,a,function(a,c){d.key=a,d.value=c,f("undefined"!=typeof d.key?d:b,d.__req)},g)})},c.prototype.update=function(c){var d=this,e=this.__idbObjectStore.transaction.__createRequest(function(){});return a.Sca.encode(c,function(f){d.__idbObjectStore.transaction.__pushToQueue(e,function(e,g,h,i){d.__find(b,e,function(b,g,j){var k=d.__idbObjectStore,l=d.__idbObjectStore.transaction.db.__storeProperties,m=[f],n="UPDATE "+a.util.quote(k.name)+" SET value = ?",o=l[k.name]&&l[k.name].indexList;if(o)for(var p in o){var q=o[p];n+=", "+p+" = ?",m.push(a.Key.encode(c[q.keyPath]))}n+=" WHERE key = ?",m.push(a.Key.encode(j)),a.DEBUG&&console.log(n,f,b,j),e.executeSql(n,m,function(a,c){d.__prefetchedData=null,1===c.rowsAffected?h(b):i("No rows with key found"+b)},function(a,b){i(b)})},i)})}),e},c.prototype["delete"]=function(){var c=this;return this.__idbObjectStore.transaction.__addToTransactionQueue(function(d,e,f,g){c.__find(b,d,function(e,h,i){var j="DELETE FROM "+a.util.quote(c.__idbObjectStore.name)+" WHERE key = ?";a.DEBUG&&console.log(j,e,i),d.executeSql(j,[a.Key.encode(i)],function(a,d){c.__prefetchedData=null,1===d.rowsAffected?(c.__offset--,f(b)):g("No rows with key found"+e)},function(a,b){g(b)})},g)})},a.IDBCursor=c}(idbModules),function(idbModules,undefined){function IDBIndex(a,b){this.indexName=this.name=a,this.__idbObjectStore=this.objectStore=this.source=b;var c=b.transaction.db.__storeProperties[b.name],d=c&&c.indexList;this.keyPath=d&&d[a]&&d[a].keyPath||a,["multiEntry","unique"].forEach(function(b){this[b]=!!(d&&d[a]&&d[a].optionalParams&&d[a].optionalParams[b])},this)}IDBIndex.prototype.__createIndex=function(indexName,keyPath,optionalParameters){var me=this,transaction=me.__idbObjectStore.transaction;transaction.__addToTransactionQueue(function(tx,args,success,failure){me.__idbObjectStore.__getStoreProps(tx,function(){function error(){idbModules.util.throwDOMException(0,"Could not create new index",arguments)}2!==transaction.mode&&idbModules.util.throwDOMException(0,"Invalid State error, not a version transaction",me.transaction);var idxList=JSON.parse(me.__idbObjectStore.__storeProps.indexList);"undefined"!=typeof idxList[indexName]&&idbModules.util.throwDOMException(0,"Index already exists on store",idxList);var columnName=indexName;idxList[indexName]={columnName:columnName,keyPath:keyPath,optionalParams:optionalParameters},me.__idbObjectStore.__storeProps.indexList=JSON.stringify(idxList);var sql=["ALTER TABLE",idbModules.util.quote(me.__idbObjectStore.name),"ADD",columnName,"BLOB"].join(" ");idbModules.DEBUG&&console.log(sql),tx.executeSql(sql,[],function(tx,data){tx.executeSql("SELECT * FROM "+idbModules.util.quote(me.__idbObjectStore.name),[],function(tx,data){!function initIndexForRow(i){if(i=b.__requests.length?(b.__active=!1,void(b.__requests=[])):(g=b.__requests[h],void g.op(c,g.args,d,e))}b.__tx=c;var g=null,h=0;try{f()}catch(i){a.DEBUG&&console.log("An exception occured in transaction",arguments),"function"==typeof b.onerror&&b.onerror()}},function(){a.DEBUG&&console.log("An error in transaction",arguments),"function"==typeof b.onerror&&b.onerror()},function(){a.DEBUG&&console.log("Transaction completed",arguments),"function"==typeof b.oncomplete&&b.oncomplete()})},1)},e.prototype.__addToTransactionQueue=function(b,c){this.__active||this.mode===d||a.util.throwDOMException(0,"A request was placed against a transaction which is currently not active, or which is finished.",this.__mode);var e=this.__createRequest();return this.__pushToQueue(e,b,c),e},e.prototype.__createRequest=function(){var b=new a.IDBRequest;return b.source=this.db,b.transaction=this,b},e.prototype.__pushToQueue=function(a,b,c){this.__requests.push({op:b,args:c,req:a}),this.__executeRequests()},e.prototype.objectStore=function(b){return new a.IDBObjectStore(b,this)},e.prototype.abort=function(){!this.__active&&a.util.throwDOMException(0,"A request was placed against a transaction which is currently not active, or which is finished",this.__active)},e.prototype.READ_ONLY=0,e.prototype.READ_WRITE=1,e.prototype.VERSION_CHANGE=2,a.IDBTransaction=e}(idbModules),function(a){var b=function(b,c,d,e){this.__db=b,this.version=d,this.objectStoreNames=new a.util.StringList;for(var f=0;f0&&d.executeSql("DROP TABLE "+a.util.quote(b),[],function(){d.executeSql("DELETE FROM __sys__ WHERE name = ?",[b],function(){},c)},c)})})})},b.prototype.close=function(){},b.prototype.transaction=function(b,c){var d=new a.IDBTransaction(b,c||1,this);return d},a.IDBDatabase=b}(idbModules),function(a){var b=4194304;if(window.openDatabase){var c=window.openDatabase("__sysdb__",1,"System Database",b);c.transaction(function(a){a.executeSql("CREATE TABLE IF NOT EXISTS dbVersions (name VARCHAR(255), version INT);",[])},function(){a.DEBUG&&console.log("Error in sysdb transaction - when creating dbVersions",arguments)});var d={open:function(d,e){function f(){if(!i){var b=a.Event("error",arguments);h.readyState="done",h.error="DOMError",a.util.callback("onerror",h,b),i=!0}}function g(g){var i=window.openDatabase(d,1,d,b);h.readyState="done","undefined"==typeof e&&(e=g||1),(0>=e||g>e)&&a.util.throwDOMException(0,"An attempt was made to open a database using a lower version than the existing version.",e),i.transaction(function(b){b.executeSql("CREATE TABLE IF NOT EXISTS __sys__ (name VARCHAR(255), keyPath VARCHAR(255), autoInc BOOLEAN, indexList BLOB)",[],function(){b.executeSql("SELECT * FROM __sys__",[],function(b,j){var k=a.Event("success");h.source=h.result=new a.IDBDatabase(i,d,e,j),e>g?c.transaction(function(b){b.executeSql("UPDATE dbVersions set version = ? where name = ?",[e,d],function(){var b=a.Event("upgradeneeded");b.oldVersion=g,b.newVersion=e,h.transaction=h.result.__versionTransaction=new a.IDBTransaction([],2,h.source),a.util.callback("onupgradeneeded",h,b,function(){var b=a.Event("success");a.util.callback("onsuccess",h,b)})},f)},f):a.util.callback("onsuccess",h,k)},f)},f)},f)}var h=new a.IDBOpenRequest,i=!1;return c.transaction(function(a){a.executeSql("SELECT * FROM dbVersions where name = ?",[d],function(a,b){0===b.rows.length?a.executeSql("INSERT INTO dbVersions VALUES (?,?)",[d,e||1],function(){g(0)},f):g(b.rows.item(0).version)},f)},f),h},deleteDatabase:function(d){function e(b){if(!h){g.readyState="done",g.error="DOMError";var c=a.Event("error");c.message=b,c.debug=arguments,a.util.callback("onerror",g,c),h=!0}}function f(){c.transaction(function(b){b.executeSql("DELETE FROM dbVersions where name = ? ",[d],function(){g.result=void 0;var b=a.Event("success");b.newVersion=null,b.oldVersion=i,a.util.callback("onsuccess",g,b)},e)},e)}var g=new a.IDBOpenRequest,h=!1,i=null;return c.transaction(function(c){c.executeSql("SELECT * FROM dbVersions where name = ?",[d],function(c,h){if(0===h.rows.length){g.result=void 0;var j=a.Event("success");return j.newVersion=null,j.oldVersion=i,void a.util.callback("onsuccess",g,j)}i=h.rows.item(0).version;var k=window.openDatabase(d,1,d,b);k.transaction(function(b){b.executeSql("SELECT * FROM __sys__",[],function(b,c){var d=c.rows;!function g(c){c>=d.length?b.executeSql("DROP TABLE __sys__",[],function(){f()},e):b.executeSql("DROP TABLE "+a.util.quote(d.item(c).name),[],function(){g(c+1)},function(){g(c+1)})}(0)},function(){f()})},e)})},e),g},cmp:function(b,c){return a.Key.encode(b)>a.Key.encode(c)?1:b===c?0:-1}};a.shimIndexedDB=d}}(idbModules),function(a,b){"undefined"!=typeof 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\ No newline at end of file diff --git a/_cache.manifest b/_cache.manifest new file mode 100644 index 0000000..15ec202 --- /dev/null +++ b/_cache.manifest @@ -0,0 +1,48 @@ +CACHE MANIFEST +#REV $Revision: 19 $...a. + +CACHE: +index.html +database.js +datahandler.js +globals.js +helpers.js +IndexedDBShim.min.js +IndexedDBShim.js +transfer.js +uicontroler.js +jquery-1.10.2.min.js +IndexedDBShim.min.js +jquery.indexeddb.js +jquery.mobile-1.3.2.min.js +jquery.mobile.structure-1.3.2.min.css +jquery.mobile.theme-1.3.2.css +images/ajax-loader.gif +images/icons-18-black.png +images/icons-18-white.png +images/icons-36-black.png +images/icons-36-white.png + +NETWORK: +shoppinglist.php + +x +x +x +x +x +x +x +x +x +x +x +x +x +x +x +x +x +x +x +x diff --git a/database.js b/database.js new file mode 100644 index 0000000..90a6649 --- /dev/null +++ b/database.js @@ -0,0 +1,66 @@ +var DataBaseJSRevision="$Revision: 58 $".split(' ')[1] + +function openOrCreateDatabase(){ + db=$.indexedDB("ShoppingList", { + "schema" : { + "1": function(transaction){ + /* maxModified */ + var maxModi=transaction.createObjectStore("maxModified", { + "autoIncrement": false, + "keyPath":"objectId" + }); + + /* Entry */ + var entry=transaction.createObjectStore("Entry", { + "autoIncrement": true + }); + entry.createIndex("Description",{unique:false,multiEntry:false},"Description"); + + /* Config */ + var config=transaction.createObjectStore("Config", { + "autoIncrement": false, + "keyPath": "Id" + }); + + /* TransferQ*/ + var transferQ=transaction.createObjectStore("TransferQ", { + "autoIncrement": true + }); + transferQ.createIndex("type",{unique:false,multiEntry:false},"type"); + + /* Shop */ + var shop=transaction.createObjectStore("Shop", { + "autoIncrement": false, + "keyPath": "GlobalId" + }) + }, + "2": function(transaction){ + transaction.objectStore("Shop").createIndex("Description",{unique:false,multiEntry:false},"Description"); + } + } + }).progress(function(db,event) { + console.log("Progress creating DB",db,event); + }).done(function(db,event){ + console.log("Success creating DB",db,event); + }).fail(function(error,event){ + console.log("ERROR on DB Creation",error,event); + + var errCode = "N/A"; + + try { + errCode=error.debug[1].code; + } catch (err) {} + + if (5==errCode) { + console.log("Known timing issue with polyfill ..."); + } else { + + if (confirm('A problem with the local DB found ("' + error.message + '") deleting the DB might help - proceed?')) { + $.indexedDB("ShoppingList").deleteDatabase("Shoppinglist").done(function(){ + window.location.reload() + }); + } + } + + }); +} diff --git a/datahandler.js b/datahandler.js new file mode 100644 index 0000000..81e450c --- /dev/null +++ b/datahandler.js @@ -0,0 +1,298 @@ +var DataHandlerJSRevision="$Revision: 69 $".split(' ')[1] + +function changedEntryDataHandler(response) { + var allEntries=response.Entries; + var maxModified=0; + + if (allEntries != null) { + db.transaction(["Entry"]).then( // transaction has three callbacks in the .then function: + function(){ // Transaction Complete + if (maxModified > 0) { + db.objectStore("maxModified").put({objectId:"Entry",value:maxModified}); + } + $("#lstEntries").listview("refresh"); + + console.log("Transaction complete [ changedEntryDataHandler ]" ); + check4Changes(); + }, + function(){ // Transaction Aborted + $("#lstEntries").listview("refresh"); + console.log("Transaction aborted! [ changedEntryDataHandler ]" ); + }, + function(t){ // Transaction in Progress + for (i=0;i Number(maxModified)) { + maxModified=theEntry.Modified; + } + console.log("[ changedEntryDataHandler ] Added Entry from Server : " , theEntry); + }).fail( function (result, event){ + console.log("Failed Inserting List Item: " , result , event ) + }); + } else { + console.log("[ changedEntryDataHandler ] Entry from Server : " , theEntry, " didn't exist on the client, therefore doing nothing"); + + if (Number(theEntry.Modified) > Number(maxModified)) { + maxModified=theEntry.Modified; + } + } + } else { + if (theEntry.Status=="d") { + t.objectStore("Entry").delete(result).done(function (result,event){ + if (Number(theEntry.Modified) > Number(maxModified)) { + maxModified=theEntry.Modified; + } + }); + deleteEntryFromUi(result); + console.log("Deleted Entry:" , theEntry.Description , " Key:" , result) + } else { + // shop updated + t.objectStore("Entry").put({"Description":theEntry.Description, "shopGlobalId":theEntry.ShopGlobalId }).done( function(result,event){ + + if (Number(theEntry.Modified) > Number(maxModified)) { + maxModified=theEntry.Modified; + } + console.log("[ changedEntryDataHandler ] changed Entry from Server : " , theEntry ); + }).fail( function (result, event){ + console.log("Failed changing Entry List Item: " , result , event ) + }); + + } + } + }); + } + + singleEntryInsert(theEntry); + + } + } + ); + } else { + deleteQitem(response); + console.log("[ changedEntryDataHandler ] - No New Entries." ); + } +} + + +function brandBrowser(sShoppingListName) { + sGShoppingListName=sShoppingListName; + sGBrowserId=generateUUID(); + addToQ("BrandBrowser",sGShoppingListName); + db.objectStore("Config").add({Id:"ShoppingListName",value:sGShoppingListName}); + db.objectStore("Config").add({Id:"BrowserId",value:sGBrowserId}); + + db.objectStore("maxModified").add({objectId:"Entry",value:0}); + db.objectStore("maxModified").add({objectId:"Shop",value:0}); + + // Actually - that's not it: it's only for new shopping lists and not if a member is added... + //db.objectStore("Shop").add({ShopName:"ShopName(Click to change)"}); + + $("#pnlBranding").hide(); + setMode("Entries"); + loadAndShowShops(); + + window.setTimeout(check4Changes,1000); +} + +function unbrandBrowser() { + db.deleteDatabase("Shoppinglist").done(function(){ + window.location.reload() + }); +} + +function addNewEntry(sEntry){ + var shopGlobalId=getActiveShopGlobalId(); + if (shopGlobalId== null) { + shopGlobalId=generateUUID(); + shopChangeHandler(shopGlobalId,"Default"); + } + + db.objectStore("Entry").add({"Description":sEntry,"shopGlobalId":shopGlobalId }).done( function(result,event){ + addToQ("SendEntry",result); + addEntryToUi(result,sEntry); + $("#lstEntries").listview("refresh"); + + }).fail( function (result, event){ + console.log("Failed Inserting List Item: " , result, event ) + }); +} + +function deleteEntry(sKey) { + db.objectStore("Entry").get(Number(sKey)).done( function(result,event){ + addToQ("DeleteEntry",result); + db.objectStore("Entry").delete(Number(sKey)).done( function(result,event){ + deleteEntryFromUi(sKey) + }).fail( function (result, event){ + console.log("[deleteEntry] Failed deleting List Item: " , result , event ) + }); + }).fail( function (result, event){ + console.log("[deleteEntry] Failed retrieving List Item Details: " , result , event ) + }); +} + + +function shopDeletion(shopGlobalId){ + db.objectStore("Shop").delete(shopGlobalId) + .done(function(){ + addToQ("ShopDeletion",shopGlobalId); + + $("#pnlShops>ul>li>a.ui-btn-active").remove(); + loadAndShowShops(null).done(function(){ + setMode("Entries"); + }); + + }); +} + +function shopChangeHandler(shopGlobalId,shopName){ + db.objectStore("Shop").put({"GlobalId":shopGlobalId, "Description":shopName}) + .done(function(result){ + console.log("[shopChangeHandler] - created new Shop with UUID " , shopGlobalId , " and Description " , shopName , " resulting in key " , result ); + addToQ("SendShop",shopGlobalId); + + loadAndShowShops(shopGlobalId).done(function(){ + setMode("Entries"); + }); + }) + .fail(function (result,event){ + console.log("[shopChangeHandler] - error creating new Shop: " , result , event ) + }); +} + + +function check4Changes(){ + var ojAllModi=new Object(); + ojAllModi.maxModified=new Object(); + + db.transaction(["maxModified"]).then( // transaction has three callbacks in the .then function: + function() { // transaction complete + callServerFunction("SendChangedData",ojAllModi,changedDataTypeDispatcher, + function(){ + // on error wait 5 sec. + window.setTimeout(check4Changes,5000); + } + ); + }, + function(){ // Transaction Aborted + console.log("Transaction aborted! [ check4Changes ]" ); + }, + function(t){ // Transaction in Progress + t.objectStore("maxModified").each(function(result){ + if (result != null) { + console.log("[Check4Changes] - maxModified " , result); + ojAllModi.maxModified[result.key]=result.value.value; + } + }); + } + ); +} + +function changedDataTypeDispatcher(response){ + console.log("[changedDataTypeDispatcher] Detected type: " , response.ChangeType); + + if (response.ChangeType=="Entry") { + changedEntryDataHandler(response) + } + if (response.ChangeType=="Shop") { + changedShopDataHandler(response) + } + if (response.ChangeType=="None"){ + check4Changes(); + } +} + +function changedShopDataHandler(response){ + var allShops=response.Shops; + var maxModified=0; + + if (allShops != null) { + db.transaction(["Shop"]).then( // transaction has three callbacks in the .then function: + function(){ // Transaction Complete + if (maxModified > 0) { + db.objectStore("maxModified").put({objectId:"Shop",value:maxModified}) + .done(function(result){ + console.log("updated modified to " + maxModified + " [ changedShopDataHandler ]" ); + }) + .fail(function(result,event){ + console.log("[changeShopDataHandler] Failed to update modified: " , result ,event ); + }); + } + + loadAndShowShops(); + + console.log("[changeShopDataHandler] Transaction complete" ); + check4Changes(); + }, + function(){ // Transaction Aborted + console.log("Transaction aborted! [ changedShopDataHandler ]" ); + }, + function(t){ // Transaction in Progress + for (i=0;i Number(maxModified)) { + maxModified=theShop.Modified; + } + console.log("[ changedShopDataHandler ] Added Shop from Server : " . theShop); + }).fail( function (result, event){ + console.log("Failed Inserting List Item: " , result , event ) + }); + } else { + // yes, looks a bit doubled but has to be as the other 2 are transaction success dependant... + if (Number(theShop.Modified) > Number(maxModified)) { + maxModified=theShop.Modified; + } + } + } else { + if (theShop.Status=="d") { + t.objectStore("Shop").delete(result.GlobalId).done(function (result,event){ + if (Number(theShop.Modified) > Number(maxModified)) { + maxModified=theShop.Modified; + } + }); + + console.log("Deleted Shop:" , theShop ) + } else { + // shop updated + t.objectStore("Shop").put({"Description":theShop.Description, "GlobalId":theShop.GlobalId }).done( function(result,event){ + + if (Number(theShop.Modified) > Number(maxModified)) { + maxModified=theShop.Modified; + } + console.log("[ changedShopDataHandler ] changed Shop from Server : " , theShop ); + }).fail( function (result, event){ + console.log("[ changedShopDataHandler ] Failed changing Shop Item: " , result,event ); + }); + + } + } + }); + } + + singleShopInsert(theShop); + } + } + ); + } else { + deleteQitem(response); + console.log("[ changedShopDataHandler ] - No New Shops." ); + } + +} diff --git a/dbcreateScript.sql b/dbcreateScript.sql new file mode 100644 index 0000000..a2e4b1f --- /dev/null +++ b/dbcreateScript.sql @@ -0,0 +1,42 @@ +/* $Revision: 14 $*/ + +CREATE TABLE entry (key integer primary key autoincrement, shoppinglistKey integer, productKey integer, BrowserId, status varchar(1), modified bigint, Description, shopKey bigint); +CREATE TABLE modified (objectId,maxmodi bigint); +CREATE TABLE "shop" (key integer primary key autoincrement, shoppinglistKey integer, globalId , Description, status varchar(1), modified bigint, browserId); +CREATE TABLE shoppinglist (key integer primary key autoincrement,name); +CREATE TRIGGER entry_insert_modified after insert on entry for each row + Begin +update modified set maxmodi=maxmodi + 1 where objectId='Entry'; + select case WHEN changes() = 0 + THEN raise (ABORT,'No entry in modified table for Entry, run statement + insert into modified (objectId,maxmodi) values (''Entry'',0)') + END; +update entry set modified = (select maxmodi from modified where objectId='Entry') where rowid = new.rowid; +End; +CREATE TRIGGER entry_update_modified after update on entry for each row + BEGIN +update modified set maxmodi=maxmodi + 1 where objectId='Entry'; + select case WHEN changes() = 0 + THEN raise (ABORT,'No entry in modified table for Entry, run statement + insert into modified (objectId,maxmodi) values (''Entry'',0)') + END; +update entry set modified = (select maxmodi from modified where objectId='Entry') where rowid = new.rowid; + End; +CREATE TRIGGER shop_insert_modified after insert on shop for each row + Begin +update modified set maxmodi=maxmodi + 1 where objectId='Shop'; + select case WHEN changes() = 0 + THEN raise (ABORT,'No entry in modified table for Shop, run statement + insert into modified (objectId,maxmodi) values (''Shop'',0)') + END; +update shop set modified = (select maxmodi from modified where objectId='Shop') where rowid = new.rowid; + End; +CREATE TRIGGER shop_update_modified after update on shop for each row +Begin + update modified set maxmodi=maxmodi + 1 where objectId='Shop'; + select case WHEN changes() = 0 + THEN raise (ABORT,'No entry in modified table for Shop, run statement + insert into modified (objectId,maxmodi) values (''Shop'',0)') + END; + update shop set modified = (select maxmodi from modified where objectId='Shop') where rowid = new.rowid; +End; diff --git a/globals.js b/globals.js new file mode 100644 index 0000000..2e23398 --- /dev/null +++ b/globals.js @@ -0,0 +1,77 @@ +var GlobalsJSRevision="$Revision: 58 $".split(' ')[1] + +var sGShoppingListName=""; +var sGBrowserId=""; +var isBlocked=false; +var revision="$Revision: 58 $".split(" ")[1]; +var db=null; + +function initSession(){ + openOrCreateDatabase(); + + db.objectStore("Config").get("ShoppingListName").done(function(result, event){ + if (result != null) { + sGShoppingListName=result.value + db.objectStore("Config").get("BrowserId").done(function(result, event){ + if (result != null) { + sGBrowserId=result.value; + db.objectStore("Config").get("ActiveShopId").done(function(result, event){ + if (result != null) { + console.log("Found Shop in Config",result.value); + loadAndShowShops(result.value); + } else { + console.log("No Shop in Config. "); + loadAndShowShops(); + } + }).fail(function (error,event){ + console.log("Error loading Shop from Config"); + loadAndShowShops(); + }); + // on start check for item changes + check4Changes(); + updateTransferQCounter(); + setMode("Entries"); + } else { + setMode("Branding"); + } + }) + } else { + setMode("Branding"); + } + }).fail(function (error,event){ + console.log("Error when reading the initial config information",error,event); + var errCode = "N/A"; + try { + errCode=error.debug[1].code; + } catch (err) {} + + if (5==errCode) { + console.log("Known timing issue with polyfill ..., re-triggering DB-creation.."); + // re-trigger DB-creation... by the time the user is finished with the branding we should be fine... + openOrCreateDatabase(); + setMode("Branding"); + } else { + alert("Error while reading initial config information: " + error + ":" + event) + } + }); + + + + // Check if a new cache is available on page load. || TODO: the Server could notify for new versions, then the check would be done closer to time. + window.addEventListener('load', function(e) { + window.applicationCache.addEventListener('updateready', function(e) { + if (window.applicationCache.status == window.applicationCache.UPDATEREADY) { + // Intentially not calling swapcache here, it's quite useless because it will only use the new verstion for newly loaded files anyway... + if (confirm('A new version of this site is available. Load it?')) { + window.location.reload(); + } + } else { + // Manifest didn't changed. Nothing new to server. + } + }, false); + }, false); + + var indexHtmlRevision = $("#lbRevision").text().split(" ")[1]; + $("#lbRevision").text("Index.html " + indexHtmlRevision + " | dataHandler " + DataHandlerJSRevision + " | transfer " + TransferJSRevision + " | helpers " + HelpersJSRevision + " | uictrl " + UiControlerJSRevision + " | database " + DataBaseJSRevision) + +} diff --git a/helpers.js b/helpers.js new file mode 100644 index 0000000..5b63322 --- /dev/null +++ b/helpers.js @@ -0,0 +1,32 @@ +var HelpersJSRevision="$Revision: 59 $".split(' ')[1] + +function generateUUID() { + var delim = "-"; + + function S4() { + return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1); + } + + return (S4() + S4() + delim + S4() + delim + S4() + delim + S4() + delim + S4() + S4() + S4()); +}; + +function getURLParameter(name) { + return decodeURI( + (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search)||[,null])[1] + ); +} + +function myConsoleLog() { + var outputLine=""; + for (var i=0; i + + + + + + Shopping List + + + + + + + + + + + + + + + + + +
+ TESTL +

TESTMID

+ TESTR + +
+
+ + +
+ + + + + + + + + + + + + + + +
+ $Revision: 73 $ + + diff --git a/jquery-1.10.2.min.js b/jquery-1.10.2.min.js new file mode 100644 index 0000000..da41706 --- /dev/null +++ b/jquery-1.10.2.min.js @@ -0,0 +1,6 @@ +/*! jQuery v1.10.2 | (c) 2005, 2013 jQuery Foundation, Inc. | jquery.org/license +//@ sourceMappingURL=jquery-1.10.2.min.map +*/ +(function(e,t){var n,r,i=typeof t,o=e.location,a=e.document,s=a.documentElement,l=e.jQuery,u=e.$,c={},p=[],f="1.10.2",d=p.concat,h=p.push,g=p.slice,m=p.indexOf,y=c.toString,v=c.hasOwnProperty,b=f.trim,x=function(e,t){return new x.fn.init(e,t,r)},w=/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,T=/\S+/g,C=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,N=/^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,k=/^<(\w+)\s*\/?>(?:<\/\1>|)$/,E=/^[\],:{}\s]*$/,S=/(?:^|:|,)(?:\s*\[)+/g,A=/\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,j=/"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,D=/^-ms-/,L=/-([\da-z])/gi,H=function(e,t){return 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