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9 <pre class="prettyprint lang-js">/*!
10 * Ext JS Library 3.3.0
11 * Copyright(c) 2006-2010 Ext JS, Inc.
13 * http://www.extjs.com/license
15 <div id="cls-Ext.data.Store"></div>/**
16 * @class Ext.data.Store
17 * @extends Ext.util.Observable
18 * <p>The Store class encapsulates a client side cache of {@link Ext.data.Record Record}
19 * objects which provide input data for Components such as the {@link Ext.grid.GridPanel GridPanel},
20 * the {@link Ext.form.ComboBox ComboBox}, or the {@link Ext.DataView DataView}.</p>
21 * <p><u>Retrieving Data</u></p>
22 * <p>A Store object may access a data object using:<div class="mdetail-params"><ul>
23 * <li>{@link #proxy configured implementation} of {@link Ext.data.DataProxy DataProxy}</li>
24 * <li>{@link #data} to automatically pass in data</li>
25 * <li>{@link #loadData} to manually pass in data</li>
27 * <p><u>Reading Data</u></p>
28 * <p>A Store object has no inherent knowledge of the format of the data object (it could be
29 * an Array, XML, or JSON). A Store object uses an appropriate {@link #reader configured implementation}
30 * of a {@link Ext.data.DataReader DataReader} to create {@link Ext.data.Record Record} instances from the data
32 * <p><u>Store Types</u></p>
33 * <p>There are several implementations of Store available which are customized for use with
34 * a specific DataReader implementation. Here is an example using an ArrayStore which implicitly
35 * creates a reader commensurate to an Array data object.</p>
37 var myStore = new Ext.data.ArrayStore({
38 fields: ['fullname', 'first'],
39 idIndex: 0 // id for each record will be the first element
42 * <p>For custom implementations create a basic {@link Ext.data.Store} configured as needed:</p>
44 // create a {@link Ext.data.Record Record} constructor:
45 var rt = Ext.data.Record.create([
49 var myStore = new Ext.data.Store({
50 // explicitly create reader
51 reader: new Ext.data.ArrayReader(
53 idIndex: 0 // id for each record will be the first element
59 * <p>Load some data into store (note the data object is an array which corresponds to the reader):</p>
62 [1, 'Fred Flintstone', 'Fred'], // note that id for the record is the first element
63 [2, 'Barney Rubble', 'Barney']
65 myStore.loadData(myData);
67 * <p>Records are cached and made available through accessor functions. An example of adding
68 * a record to the store:</p>
71 fullname: 'Full Name',
74 var recId = 100; // provide unique id for the record
75 var r = new myStore.recordType(defaultData, ++recId); // create new record
76 myStore.{@link #insert}(0, r); // insert a new record into the store (also see {@link #add})
78 * <p><u>Writing Data</u></p>
79 * <p>And <b>new in Ext version 3</b>, use the new {@link Ext.data.DataWriter DataWriter} to create an automated, <a href="http://extjs.com/deploy/dev/examples/writer/writer.html">Writable Store</a>
80 * along with <a href="http://extjs.com/deploy/dev/examples/restful/restful.html">RESTful features.</a>
82 * Creates a new Store.
83 * @param {Object} config A config object containing the objects needed for the Store to access data,
84 * and read the data into Records.
87 Ext.data.Store = Ext.extend(Ext.util.Observable, {
88 <div id="cfg-Ext.data.Store-storeId"></div>/**
89 * @cfg {String} storeId If passed, the id to use to register with the <b>{@link Ext.StoreMgr StoreMgr}</b>.
90 * <p><b>Note</b>: if a (deprecated) <tt>{@link #id}</tt> is specified it will supersede the <tt>storeId</tt>
93 <div id="cfg-Ext.data.Store-url"></div>/**
94 * @cfg {String} url If a <tt>{@link #proxy}</tt> is not specified the <tt>url</tt> will be used to
95 * implicitly configure a {@link Ext.data.HttpProxy HttpProxy} if an <tt>url</tt> is specified.
96 * Typically this option, or the <code>{@link #data}</code> option will be specified.
98 <div id="cfg-Ext.data.Store-autoLoad"></div>/**
99 * @cfg {Boolean/Object} autoLoad If <tt>{@link #data}</tt> is not specified, and if <tt>autoLoad</tt>
100 * is <tt>true</tt> or an <tt>Object</tt>, this store's {@link #load} method is automatically called
101 * after creation. If the value of <tt>autoLoad</tt> is an <tt>Object</tt>, this <tt>Object</tt> will
102 * be passed to the store's {@link #load} method.
104 <div id="cfg-Ext.data.Store-proxy"></div>/**
105 * @cfg {Ext.data.DataProxy} proxy The {@link Ext.data.DataProxy DataProxy} object which provides
106 * access to a data object. See <code>{@link #url}</code>.
108 <div id="cfg-Ext.data.Store-data"></div>/**
109 * @cfg {Array} data An inline data object readable by the <code>{@link #reader}</code>.
110 * Typically this option, or the <code>{@link #url}</code> option will be specified.
112 <div id="cfg-Ext.data.Store-reader"></div>/**
113 * @cfg {Ext.data.DataReader} reader The {@link Ext.data.DataReader Reader} object which processes the
114 * data object and returns an Array of {@link Ext.data.Record} objects which are cached keyed by their
115 * <b><tt>{@link Ext.data.Record#id id}</tt></b> property.
117 <div id="cfg-Ext.data.Store-writer"></div>/**
118 * @cfg {Ext.data.DataWriter} writer
119 * <p>The {@link Ext.data.DataWriter Writer} object which processes a record object for being written
120 * to the server-side database.</p>
121 * <br><p>When a writer is installed into a Store the {@link #add}, {@link #remove}, and {@link #update}
122 * events on the store are monitored in order to remotely {@link #createRecords create records},
123 * {@link #destroyRecord destroy records}, or {@link #updateRecord update records}.</p>
124 * <br><p>The proxy for this store will relay any {@link #writexception} events to this store.</p>
125 * <br><p>Sample implementation:
127 var writer = new {@link Ext.data.JsonWriter}({
129 writeAllFields: true // write all fields, not just those that changed
132 // Typical Store collecting the Proxy, Reader and Writer together.
133 var store = new Ext.data.Store({
138 writer: writer, // <-- plug a DataWriter into the store just as you would a Reader
140 autoSave: false // <-- false to delay executing create, update, destroy requests
141 // until specifically told to do so.
146 <div id="cfg-Ext.data.Store-baseParams"></div>/**
147 * @cfg {Object} baseParams
148 * <p>An object containing properties which are to be sent as parameters
149 * for <i>every</i> HTTP request.</p>
150 * <p>Parameters are encoded as standard HTTP parameters using {@link Ext#urlEncode}.</p>
151 * <p><b>Note</b>: <code>baseParams</code> may be superseded by any <code>params</code>
152 * specified in a <code>{@link #load}</code> request, see <code>{@link #load}</code>
153 * for more details.</p>
154 * This property may be modified after creation using the <code>{@link #setBaseParam}</code>
158 <div id="cfg-Ext.data.Store-sortInfo"></div>/**
159 * @cfg {Object} sortInfo A config object to specify the sort order in the request of a Store's
160 * {@link #load} operation. Note that for local sorting, the <tt>direction</tt> property is
161 * case-sensitive. See also {@link #remoteSort} and {@link #paramNames}.
162 * For example:<pre><code>
165 direction: 'ASC' // or 'DESC' (case sensitive for local sorting)
169 <div id="cfg-Ext.data.Store-remoteSort"></div>/**
170 * @cfg {boolean} remoteSort <tt>true</tt> if sorting is to be handled by requesting the <tt>{@link #proxy Proxy}</tt>
171 * to provide a refreshed version of the data object in sorted order, as opposed to sorting the Record cache
172 * in place (defaults to <tt>false</tt>).
173 * <p>If <tt>remoteSort</tt> is <tt>true</tt>, then clicking on a {@link Ext.grid.Column Grid Column}'s
174 * {@link Ext.grid.Column#header header} causes the current page to be requested from the server appending
175 * the following two parameters to the <b><tt>{@link #load params}</tt></b>:<div class="mdetail-params"><ul>
176 * <li><b><tt>sort</tt></b> : String<p class="sub-desc">The <tt>name</tt> (as specified in the Record's
177 * {@link Ext.data.Field Field definition}) of the field to sort on.</p></li>
178 * <li><b><tt>dir</tt></b> : String<p class="sub-desc">The direction of the sort, 'ASC' or 'DESC' (case-sensitive).</p></li>
183 <div id="cfg-Ext.data.Store-autoDestroy"></div>/**
184 * @cfg {Boolean} autoDestroy <tt>true</tt> to destroy the store when the component the store is bound
185 * to is destroyed (defaults to <tt>false</tt>).
186 * <p><b>Note</b>: this should be set to true when using stores that are bound to only 1 component.</p>
190 <div id="cfg-Ext.data.Store-pruneModifiedRecords"></div>/**
191 * @cfg {Boolean} pruneModifiedRecords <tt>true</tt> to clear all modified record information each time
192 * the store is loaded or when a record is removed (defaults to <tt>false</tt>). See {@link #getModifiedRecords}
193 * for the accessor method to retrieve the modified records.
195 pruneModifiedRecords : false,
197 <div id="prop-Ext.data.Store-lastOptions"></div>/**
198 * Contains the last options object used as the parameter to the {@link #load} method. See {@link #load}
199 * for the details of what this may contain. This may be useful for accessing any params which were used
200 * to load the current Record cache.
205 <div id="cfg-Ext.data.Store-autoSave"></div>/**
206 * @cfg {Boolean} autoSave
207 * <p>Defaults to <tt>true</tt> causing the store to automatically {@link #save} records to
208 * the server when a record is modified (ie: becomes 'dirty'). Specify <tt>false</tt> to manually call {@link #save}
209 * to send all modifiedRecords to the server.</p>
210 * <br><p><b>Note</b>: each CRUD action will be sent as a separate request.</p>
214 <div id="cfg-Ext.data.Store-batch"></div>/**
215 * @cfg {Boolean} batch
216 * <p>Defaults to <tt>true</tt> (unless <code>{@link #restful}:true</code>). Multiple
217 * requests for each CRUD action (CREATE, READ, UPDATE and DESTROY) will be combined
218 * and sent as one transaction. Only applies when <code>{@link #autoSave}</code> is set
219 * to <tt>false</tt>.</p>
220 * <br><p>If Store is RESTful, the DataProxy is also RESTful, and a unique transaction is
221 * generated for each record.</p>
225 <div id="cfg-Ext.data.Store-restful"></div>/**
226 * @cfg {Boolean} restful
227 * Defaults to <tt>false</tt>. Set to <tt>true</tt> to have the Store and the set
228 * Proxy operate in a RESTful manner. The store will automatically generate GET, POST,
229 * PUT and DELETE requests to the server. The HTTP method used for any given CRUD
230 * action is described in {@link Ext.data.Api#restActions}. For additional information
231 * see {@link Ext.data.DataProxy#restful}.
232 * <p><b>Note</b>: if <code>{@link #restful}:true</code> <code>batch</code> will
233 * internally be set to <tt>false</tt>.</p>
237 <div id="cfg-Ext.data.Store-paramNames"></div>/**
238 * @cfg {Object} paramNames
239 * <p>An object containing properties which specify the names of the paging and
240 * sorting parameters passed to remote servers when loading blocks of data. By default, this
241 * object takes the following form:</p><pre><code>
243 start : 'start', // The parameter name which specifies the start row
244 limit : 'limit', // The parameter name which specifies number of rows to return
245 sort : 'sort', // The parameter name which specifies the column to sort on
246 dir : 'dir' // The parameter name which specifies the sort direction
249 * <p>The server must produce the requested data block upon receipt of these parameter names.
250 * If different parameter names are required, this property can be overriden using a configuration
252 * <p>A {@link Ext.PagingToolbar PagingToolbar} bound to this Store uses this property to determine
253 * the parameter names to use in its {@link #load requests}.
255 paramNames : undefined,
257 <div id="cfg-Ext.data.Store-defaultParamNames"></div>/**
258 * @cfg {Object} defaultParamNames
259 * Provides the default values for the {@link #paramNames} property. To globally modify the parameters
260 * for all stores, this object should be changed on the store prototype.
262 defaultParamNames : {
273 batchKey : '_ext_batch_',
275 constructor : function(config){
276 <div id="prop-Ext.data.Store-multiSort"></div>/**
277 * @property multiSort
279 * True if this store is currently sorted by more than one field/direction combination.
282 <div id="prop-Ext.data.Store-isDestroyed"></div>/**
283 * @property isDestroyed
285 * True if the store has been destroyed already. Read only
288 this.data = new Ext.util.MixedCollection(false);
289 this.data.getKey = function(o){
294 // temporary removed-records cache
297 if(config && config.data){
298 this.inlineData = config.data;
302 Ext.apply(this, config);
304 <div id="prop-Ext.data.Store-baseParams"></div>/**
305 * See the <code>{@link #baseParams corresponding configuration option}</code>
306 * for a description of this property.
307 * To modify this property see <code>{@link #setBaseParam}</code>.
310 this.baseParams = Ext.isObject(this.baseParams) ? this.baseParams : {};
312 this.paramNames = Ext.applyIf(this.paramNames || {}, this.defaultParamNames);
314 if((this.url || this.api) && !this.proxy){
315 this.proxy = new Ext.data.HttpProxy({url: this.url, api: this.api});
317 // If Store is RESTful, so too is the DataProxy
318 if (this.restful === true && this.proxy) {
319 // When operating RESTfully, a unique transaction is generated for each record.
320 // TODO might want to allow implemention of faux REST where batch is possible using RESTful routes only.
322 Ext.data.Api.restify(this.proxy);
325 if(this.reader){ // reader passed
326 if(!this.recordType){
327 this.recordType = this.reader.recordType;
329 if(this.reader.onMetaChange){
330 this.reader.onMetaChange = this.reader.onMetaChange.createSequence(this.onMetaChange, this);
332 if (this.writer) { // writer passed
333 if (this.writer instanceof(Ext.data.DataWriter) === false) { // <-- config-object instead of instance.
334 this.writer = this.buildWriter(this.writer);
336 this.writer.meta = this.reader.meta;
337 this.pruneModifiedRecords = true;
341 <div id="prop-Ext.data.Store-recordType"></div>/**
342 * The {@link Ext.data.Record Record} constructor as supplied to (or created by) the
343 * {@link Ext.data.DataReader Reader}. Read-only.
344 * <p>If the Reader was constructed by passing in an Array of {@link Ext.data.Field} definition objects,
345 * instead of a Record constructor, it will implicitly create a Record constructor from that Array (see
346 * {@link Ext.data.Record}.{@link Ext.data.Record#create create} for additional details).</p>
347 * <p>This property may be used to create new Records of the type held in this Store, for example:</p><pre><code>
348 // create the data store
349 var store = new Ext.data.ArrayStore({
353 {name: 'price', type: 'float'},
354 {name: 'change', type: 'float'},
355 {name: 'pctChange', type: 'float'},
356 {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
359 store.loadData(myData);
362 var grid = new Ext.grid.EditorGridPanel({
364 colModel: new Ext.grid.ColumnModel({
366 {id:'company', header: 'Company', width: 160, dataIndex: 'company'},
367 {header: 'Price', renderer: 'usMoney', dataIndex: 'price'},
368 {header: 'Change', renderer: change, dataIndex: 'change'},
369 {header: '% Change', renderer: pctChange, dataIndex: 'pctChange'},
370 {header: 'Last Updated', width: 85,
371 renderer: Ext.util.Format.dateRenderer('m/d/Y'),
372 dataIndex: 'lastChange'}
379 autoExpandColumn: 'company', // match the id specified in the column model
385 handler : function(){
388 company: 'New Company',
389 lastChange: (new Date()).clearTime(),
393 var recId = 3; // provide unique id
394 var p = new store.recordType(defaultData, recId); // create new record
396 store.{@link #insert}(0, p); // insert a new record into the store (also see {@link #add})
397 grid.startEditing(0, 0);
402 * @property recordType
407 <div id="prop-Ext.data.Store-fields"></div>/**
408 * A {@link Ext.util.MixedCollection MixedCollection} containing the defined {@link Ext.data.Field Field}s
409 * for the {@link Ext.data.Record Records} stored in this Store. Read-only.
411 * @type Ext.util.MixedCollection
413 this.fields = this.recordType.prototype.fields;
418 <div id="event-Ext.data.Store-datachanged"></div>/**
420 * Fires when the data cache has changed in a bulk manner (e.g., it has been sorted, filtered, etc.) and a
421 * widget that is using this Store as a Record cache should refresh its view.
422 * @param {Store} this
425 <div id="event-Ext.data.Store-metachange"></div>/**
427 * Fires when this store's reader provides new metadata (fields). This is currently only supported for JsonReaders.
428 * @param {Store} this
429 * @param {Object} meta The JSON metadata
432 <div id="event-Ext.data.Store-add"></div>/**
434 * Fires when Records have been {@link #add}ed to the Store
435 * @param {Store} this
436 * @param {Ext.data.Record[]} records The array of Records added
437 * @param {Number} index The index at which the record(s) were added
440 <div id="event-Ext.data.Store-remove"></div>/**
442 * Fires when a Record has been {@link #remove}d from the Store
443 * @param {Store} this
444 * @param {Ext.data.Record} record The Record that was removed
445 * @param {Number} index The index at which the record was removed
448 <div id="event-Ext.data.Store-update"></div>/**
450 * Fires when a Record has been updated
451 * @param {Store} this
452 * @param {Ext.data.Record} record The Record that was updated
453 * @param {String} operation The update operation being performed. Value may be one of:
456 Ext.data.Record.REJECT
457 Ext.data.Record.COMMIT
461 <div id="event-Ext.data.Store-clear"></div>/**
463 * Fires when the data cache has been cleared.
464 * @param {Store} this
465 * @param {Record[]} records The records that were cleared.
468 <div id="event-Ext.data.Store-exception"></div>/**
470 * <p>Fires if an exception occurs in the Proxy during a remote request.
471 * This event is relayed through the corresponding {@link Ext.data.DataProxy}.
472 * See {@link Ext.data.DataProxy}.{@link Ext.data.DataProxy#exception exception}
473 * for additional details.
474 * @param {misc} misc See {@link Ext.data.DataProxy}.{@link Ext.data.DataProxy#exception exception}
478 <div id="event-Ext.data.Store-beforeload"></div>/**
480 * Fires before a request is made for a new data object. If the beforeload handler returns
481 * <tt>false</tt> the {@link #load} action will be canceled.
482 * @param {Store} this
483 * @param {Object} options The loading options that were specified (see {@link #load} for details)
486 <div id="event-Ext.data.Store-load"></div>/**
488 * Fires after a new set of Records has been loaded.
489 * @param {Store} this
490 * @param {Ext.data.Record[]} records The Records that were loaded
491 * @param {Object} options The loading options that were specified (see {@link #load} for details)
494 <div id="event-Ext.data.Store-loadexception"></div>/**
495 * @event loadexception
496 * <p>This event is <b>deprecated</b> in favor of the catch-all <b><code>{@link #exception}</code></b>
498 * <p>This event is relayed through the corresponding {@link Ext.data.DataProxy}.
499 * See {@link Ext.data.DataProxy}.{@link Ext.data.DataProxy#loadexception loadexception}
500 * for additional details.
501 * @param {misc} misc See {@link Ext.data.DataProxy}.{@link Ext.data.DataProxy#loadexception loadexception}
505 <div id="event-Ext.data.Store-beforewrite"></div>/**
507 * @param {Ext.data.Store} store
508 * @param {String} action [Ext.data.Api.actions.create|update|destroy]
509 * @param {Record/Record[]} rs The Record(s) being written.
510 * @param {Object} options The loading options that were specified. Edit <code>options.params</code> to add Http parameters to the request. (see {@link #save} for details)
511 * @param {Object} arg The callback's arg object passed to the {@link #request} function
514 <div id="event-Ext.data.Store-write"></div>/**
516 * Fires if the server returns 200 after an Ext.data.Api.actions CRUD action.
517 * Success of the action is determined in the <code>result['successProperty']</code>property (<b>NOTE</b> for RESTful stores,
518 * a simple 20x response is sufficient for the actions "destroy" and "update". The "create" action should should return 200 along with a database pk).
519 * @param {Ext.data.Store} store
520 * @param {String} action [Ext.data.Api.actions.create|update|destroy]
521 * @param {Object} result The 'data' picked-out out of the response for convenience.
522 * @param {Ext.Direct.Transaction} res
523 * @param {Record/Record[]} rs Store's records, the subject(s) of the write-action
526 <div id="event-Ext.data.Store-beforesave"></div>/**
528 * Fires before a save action is called. A save encompasses destroying records, updating records and creating records.
529 * @param {Ext.data.Store} store
530 * @param {Object} data An object containing the data that is to be saved. The object will contain a key for each appropriate action,
531 * with an array of records for each action.
534 <div id="event-Ext.data.Store-save"></div>/**
536 * Fires after a save is completed. A save encompasses destroying records, updating records and creating records.
537 * @param {Ext.data.Store} store
538 * @param {Number} batch The identifier for the batch that was saved.
539 * @param {Object} data An object containing the data that is to be saved. The object will contain a key for each appropriate action,
540 * with an array of records for each action.
547 // TODO remove deprecated loadexception with ext-3.0.1
548 this.relayEvents(this.proxy, ['loadexception', 'exception']);
550 // With a writer set for the Store, we want to listen to add/remove events to remotely create/destroy records.
554 add: this.createRecords,
555 remove: this.destroyRecord,
556 update: this.updateRecord,
561 this.sortToggle = {};
563 this.setDefaultSort(this.sortField, this.sortDir);
564 }else if(this.sortInfo){
565 this.setDefaultSort(this.sortInfo.field, this.sortInfo.direction);
568 Ext.data.Store.superclass.constructor.call(this);
571 this.storeId = this.id;
575 Ext.StoreMgr.register(this);
578 this.loadData(this.inlineData);
579 delete this.inlineData;
580 }else if(this.autoLoad){
581 this.load.defer(10, this, [
582 typeof this.autoLoad == 'object' ?
583 this.autoLoad : undefined]);
585 // used internally to uniquely identify a batch
586 this.batchCounter = 0;
591 * builds a DataWriter instance when Store constructor is provided with a writer config-object instead of an instace.
592 * @param {Object} config Writer configuration
593 * @return {Ext.data.DataWriter}
596 buildWriter : function(config) {
597 var klass = undefined,
598 type = (config.format || 'json').toLowerCase();
601 klass = Ext.data.JsonWriter;
604 klass = Ext.data.XmlWriter;
607 klass = Ext.data.JsonWriter;
609 return new klass(config);
612 <div id="method-Ext.data.Store-destroy"></div>/**
613 * Destroys the store.
615 destroy : function(){
616 if(!this.isDestroyed){
618 Ext.StoreMgr.unregister(this);
622 Ext.destroy(this.proxy);
623 this.reader = this.writer = null;
624 this.purgeListeners();
625 this.isDestroyed = true;
629 <div id="method-Ext.data.Store-add"></div>/**
630 * Add Records to the Store and fires the {@link #add} event. To add Records
631 * to the store from a remote source use <code>{@link #load}({add:true})</code>.
632 * See also <code>{@link #recordType}</code> and <code>{@link #insert}</code>.
633 * @param {Ext.data.Record[]} records An Array of Ext.data.Record objects
634 * to add to the cache. See {@link #recordType}.
636 add : function(records) {
637 var i, record, index;
639 records = [].concat(records);
640 if (records.length < 1) {
644 for (i = 0, len = records.length; i < len; i++) {
649 if (record.dirty || record.phantom) {
650 this.modified.push(record);
654 index = this.data.length;
655 this.data.addAll(records);
658 this.snapshot.addAll(records);
661 this.fireEvent('add', this, records, index);
664 <div id="method-Ext.data.Store-addSorted"></div>/**
665 * (Local sort only) Inserts the passed Record into the Store at the index where it
666 * should go based on the current sort information.
667 * @param {Ext.data.Record} record
669 addSorted : function(record){
670 var index = this.findInsertIndex(record);
671 this.insert(index, record);
676 * Update a record within the store with a new reference
678 doUpdate : function(rec){
679 this.data.replace(rec.id, rec);
681 this.snapshot.replace(rec.id, rec);
683 this.fireEvent('update', this, rec, Ext.data.Record.COMMIT);
686 <div id="method-Ext.data.Store-remove"></div>/**
687 * Remove Records from the Store and fires the {@link #remove} event.
688 * @param {Ext.data.Record/Ext.data.Record[]} record The record object or array of records to remove from the cache.
690 remove : function(record){
691 if(Ext.isArray(record)){
692 Ext.each(record, function(r){
697 var index = this.data.indexOf(record);
700 this.data.removeAt(index);
702 if(this.pruneModifiedRecords){
703 this.modified.remove(record);
706 this.snapshot.remove(record);
709 this.fireEvent('remove', this, record, index);
713 <div id="method-Ext.data.Store-removeAt"></div>/**
714 * Remove a Record from the Store at the specified index. Fires the {@link #remove} event.
715 * @param {Number} index The index of the record to remove.
717 removeAt : function(index){
718 this.remove(this.getAt(index));
721 <div id="method-Ext.data.Store-removeAll"></div>/**
722 * Remove all Records from the Store and fires the {@link #clear} event.
723 * @param {Boolean} silent [false] Defaults to <tt>false</tt>. Set <tt>true</tt> to not fire clear event.
725 removeAll : function(silent){
727 this.each(function(rec){
732 this.snapshot.clear();
734 if(this.pruneModifiedRecords){
737 if (silent !== true) { // <-- prevents write-actions when we just want to clear a store.
738 this.fireEvent('clear', this, items);
743 onClear: function(store, records){
744 Ext.each(records, function(rec, index){
745 this.destroyRecord(this, rec, index);
749 <div id="method-Ext.data.Store-insert"></div>/**
750 * Inserts Records into the Store at the given index and fires the {@link #add} event.
751 * See also <code>{@link #add}</code> and <code>{@link #addSorted}</code>.
752 * @param {Number} index The start index at which to insert the passed Records.
753 * @param {Ext.data.Record[]} records An Array of Ext.data.Record objects to add to the cache.
755 insert : function(index, records) {
758 records = [].concat(records);
759 for (i = 0, len = records.length; i < len; i++) {
762 this.data.insert(index + i, record);
765 if (record.dirty || record.phantom) {
766 this.modified.push(record);
771 this.snapshot.addAll(records);
774 this.fireEvent('add', this, records, index);
777 <div id="method-Ext.data.Store-indexOf"></div>/**
778 * Get the index within the cache of the passed Record.
779 * @param {Ext.data.Record} record The Ext.data.Record object to find.
780 * @return {Number} The index of the passed Record. Returns -1 if not found.
782 indexOf : function(record){
783 return this.data.indexOf(record);
786 <div id="method-Ext.data.Store-indexOfId"></div>/**
787 * Get the index within the cache of the Record with the passed id.
788 * @param {String} id The id of the Record to find.
789 * @return {Number} The index of the Record. Returns -1 if not found.
791 indexOfId : function(id){
792 return this.data.indexOfKey(id);
795 <div id="method-Ext.data.Store-getById"></div>/**
796 * Get the Record with the specified id.
797 * @param {String} id The id of the Record to find.
798 * @return {Ext.data.Record} The Record with the passed id. Returns undefined if not found.
800 getById : function(id){
801 return (this.snapshot || this.data).key(id);
804 <div id="method-Ext.data.Store-getAt"></div>/**
805 * Get the Record at the specified index.
806 * @param {Number} index The index of the Record to find.
807 * @return {Ext.data.Record} The Record at the passed index. Returns undefined if not found.
809 getAt : function(index){
810 return this.data.itemAt(index);
813 <div id="method-Ext.data.Store-getRange"></div>/**
814 * Returns a range of Records between specified indices.
815 * @param {Number} startIndex (optional) The starting index (defaults to 0)
816 * @param {Number} endIndex (optional) The ending index (defaults to the last Record in the Store)
817 * @return {Ext.data.Record[]} An array of Records
819 getRange : function(start, end){
820 return this.data.getRange(start, end);
824 storeOptions : function(o){
825 o = Ext.apply({}, o);
828 this.lastOptions = o;
832 clearData: function(){
833 this.data.each(function(rec) {
839 <div id="method-Ext.data.Store-load"></div>/**
840 * <p>Loads the Record cache from the configured <tt>{@link #proxy}</tt> using the configured <tt>{@link #reader}</tt>.</p>
841 * <br><p>Notes:</p><div class="mdetail-params"><ul>
842 * <li><b><u>Important</u></b>: loading is asynchronous! This call will return before the new data has been
843 * loaded. To perform any post-processing where information from the load call is required, specify
844 * the <tt>callback</tt> function to be called, or use a {@link Ext.util.Observable#listeners a 'load' event handler}.</li>
845 * <li>If using {@link Ext.PagingToolbar remote paging}, the first load call must specify the <tt>start</tt> and <tt>limit</tt>
846 * properties in the <code>options.params</code> property to establish the initial position within the
847 * dataset, and the number of Records to cache on each read from the Proxy.</li>
848 * <li>If using {@link #remoteSort remote sorting}, the configured <code>{@link #sortInfo}</code>
849 * will be automatically included with the posted parameters according to the specified
850 * <code>{@link #paramNames}</code>.</li>
852 * @param {Object} options An object containing properties which control loading options:<ul>
853 * <li><b><tt>params</tt></b> :Object<div class="sub-desc"><p>An object containing properties to pass as HTTP
854 * parameters to a remote data source. <b>Note</b>: <code>params</code> will override any
855 * <code>{@link #baseParams}</code> of the same name.</p>
856 * <p>Parameters are encoded as standard HTTP parameters using {@link Ext#urlEncode}.</p></div></li>
857 * <li><b>callback</b> : Function<div class="sub-desc"><p>A function to be called after the Records
858 * have been loaded. The callback is called after the load event is fired, and is passed the following arguments:<ul>
859 * <li>r : Ext.data.Record[] An Array of Records loaded.</li>
860 * <li>options : Options object from the load call.</li>
861 * <li>success : Boolean success indicator.</li></ul></p></div></li>
862 * <li><b>scope</b> : Object<div class="sub-desc"><p>Scope with which to call the callback (defaults
863 * to the Store object)</p></div></li>
864 * <li><b>add</b> : Boolean<div class="sub-desc"><p>Indicator to append loaded records rather than
865 * replace the current cache. <b>Note</b>: see note for <tt>{@link #loadData}</tt></p></div></li>
867 * @return {Boolean} If the <i>developer</i> provided <tt>{@link #beforeload}</tt> event handler returns
868 * <tt>false</tt>, the load call will abort and will return <tt>false</tt>; otherwise will return <tt>true</tt>.
870 load : function(options) {
871 options = Ext.apply({}, options);
872 this.storeOptions(options);
873 if(this.sortInfo && this.remoteSort){
874 var pn = this.paramNames;
875 options.params = Ext.apply({}, options.params);
876 options.params[pn.sort] = this.sortInfo.field;
877 options.params[pn.dir] = this.sortInfo.direction;
880 return this.execute('read', null, options); // <-- null represents rs. No rs for load actions.
882 this.handleException(e);
888 * updateRecord Should not be used directly. This method will be called automatically if a Writer is set.
889 * Listens to 'update' event.
890 * @param {Object} store
891 * @param {Object} record
892 * @param {Object} action
895 updateRecord : function(store, record, action) {
896 if (action == Ext.data.Record.EDIT && this.autoSave === true && (!record.phantom || (record.phantom && record.isValid()))) {
903 * Should not be used directly. Store#add will call this automatically if a Writer is set
904 * @param {Object} store
905 * @param {Object} records
906 * @param {Object} index
908 createRecords : function(store, records, index) {
909 var modified = this.modified,
910 length = records.length,
913 for (i = 0; i < length; i++) {
916 if (record.phantom && record.isValid()) {
917 record.markDirty(); // <-- Mark new records dirty (Ed: why?)
919 if (modified.indexOf(record) == -1) {
920 modified.push(record);
924 if (this.autoSave === true) {
930 * Destroys a Record. Should not be used directly. It's called by Store#remove if a Writer is set.
931 * @param {Store} store this
932 * @param {Ext.data.Record} record
933 * @param {Number} index
936 destroyRecord : function(store, record, index) {
937 if (this.modified.indexOf(record) != -1) { // <-- handled already if @cfg pruneModifiedRecords == true
938 this.modified.remove(record);
940 if (!record.phantom) {
941 this.removed.push(record);
943 // since the record has already been removed from the store but the server request has not yet been executed,
944 // must keep track of the last known index this record existed. If a server error occurs, the record can be
945 // put back into the store. @see Store#createCallback where the record is returned when response status === false
946 record.lastIndex = index;
948 if (this.autoSave === true) {
955 * This method should generally not be used directly. This method is called internally
956 * by {@link #load}, or if a Writer is set will be called automatically when {@link #add},
957 * {@link #remove}, or {@link #update} events fire.
958 * @param {String} action Action name ('read', 'create', 'update', or 'destroy')
959 * @param {Record/Record[]} rs
960 * @param {Object} options
964 execute : function(action, rs, options, /* private */ batch) {
965 // blow up if action not Ext.data.CREATE, READ, UPDATE, DESTROY
966 if (!Ext.data.Api.isAction(action)) {
967 throw new Ext.data.Api.Error('execute', action);
969 // make sure options has a fresh, new params hash
970 options = Ext.applyIf(options||{}, {
973 if(batch !== undefined){
974 this.addToBatch(batch);
976 // have to separate before-events since load has a different signature than create,destroy and save events since load does not
977 // include the rs (record resultset) parameter. Capture return values from the beforeaction into doRequest flag.
978 var doRequest = true;
980 if (action === 'read') {
981 doRequest = this.fireEvent('beforeload', this, options);
982 Ext.applyIf(options.params, this.baseParams);
985 // if Writer is configured as listful, force single-record rs to be [{}] instead of {}
986 // TODO Move listful rendering into DataWriter where the @cfg is defined. Should be easy now.
987 if (this.writer.listful === true && this.restful !== true) {
988 rs = (Ext.isArray(rs)) ? rs : [rs];
990 // if rs has just a single record, shift it off so that Writer writes data as '{}' rather than '[{}]'
991 else if (Ext.isArray(rs) && rs.length == 1) {
994 // Write the action to options.params
995 if ((doRequest = this.fireEvent('beforewrite', this, action, rs, options)) !== false) {
996 this.writer.apply(options.params, this.baseParams, action, rs);
999 if (doRequest !== false) {
1000 // Send request to proxy.
1001 if (this.writer && this.proxy.url && !this.proxy.restful && !Ext.data.Api.hasUniqueUrl(this.proxy, action)) {
1002 options.params.xaction = action; // <-- really old, probaby unecessary.
1004 // Note: Up until this point we've been dealing with 'action' as a key from Ext.data.Api.actions.
1005 // We'll flip it now and send the value into DataProxy#request, since it's the value which maps to
1006 // the user's configured DataProxy#api
1007 // TODO Refactor all Proxies to accept an instance of Ext.data.Request (not yet defined) instead of this looooooong list
1008 // of params. This method is an artifact from Ext2.
1009 this.proxy.request(Ext.data.Api.actions[action], rs, options.params, this.reader, this.createCallback(action, rs, batch), this, options);
1014 <div id="method-Ext.data.Store-save"></div>/**
1015 * Saves all pending changes to the store. If the commensurate Ext.data.Api.actions action is not configured, then
1016 * the configured <code>{@link #url}</code> will be used.
1019 * --------------- --------------------
1020 * removed records Ext.data.Api.actions.destroy
1021 * phantom records Ext.data.Api.actions.create
1022 * {@link #getModifiedRecords modified records} Ext.data.Api.actions.update
1024 * @TODO: Create extensions of Error class and send associated Record with thrown exceptions.
1025 * e.g.: Ext.data.DataReader.Error or Ext.data.Error or Ext.data.DataProxy.Error, etc.
1026 * @return {Number} batch Returns a number to uniquely identify the "batch" of saves occurring. -1 will be returned
1027 * if there are no items to save or the save was cancelled.
1031 throw new Ext.data.Store.Error('writer-undefined');
1040 // DESTROY: First check for removed records. Records in this.removed are guaranteed non-phantoms. @see Store#remove
1041 if(this.removed.length){
1042 queue.push(['destroy', this.removed]);
1045 // Check for modified records. Use a copy so Store#rejectChanges will work if server returns error.
1046 var rs = [].concat(this.getModifiedRecords());
1048 // CREATE: Next check for phantoms within rs. splice-off and execute create.
1050 for(i = rs.length-1; i >= 0; i--){
1051 if(rs[i].phantom === true){
1052 var rec = rs.splice(i, 1).shift();
1056 }else if(!rs[i].isValid()){ // <-- while we're here, splice-off any !isValid real records
1060 // If we have valid phantoms, create them...
1061 if(phantoms.length){
1062 queue.push(['create', phantoms]);
1065 // UPDATE: And finally, if we're still here after splicing-off phantoms and !isValid real records, update the rest...
1067 queue.push(['update', rs]);
1072 batch = ++this.batchCounter;
1073 for(i = 0; i < len; ++i){
1075 data[trans[0]] = trans[1];
1077 if(this.fireEvent('beforesave', this, data) !== false){
1078 for(i = 0; i < len; ++i){
1080 this.doTransaction(trans[0], trans[1], batch);
1088 // private. Simply wraps call to Store#execute in try/catch. Defers to Store#handleException on error. Loops if batch: false
1089 doTransaction : function(action, rs, batch) {
1090 function transaction(records) {
1092 this.execute(action, records, undefined, batch);
1094 this.handleException(e);
1097 if(this.batch === false){
1098 for(var i = 0, len = rs.length; i < len; i++){
1099 transaction.call(this, rs[i]);
1102 transaction.call(this, rs);
1107 addToBatch : function(batch){
1108 var b = this.batches,
1109 key = this.batchKey + batch,
1122 removeFromBatch : function(batch, action, data){
1123 var b = this.batches,
1124 key = this.batchKey + batch,
1130 arr = o.data[action] || [];
1131 o.data[action] = arr.concat(data);
1135 this.fireEvent('save', this, batch, data);
1142 // @private callback-handler for remote CRUD actions
1143 // Do not override -- override loadRecords, onCreateRecords, onDestroyRecords and onUpdateRecords instead.
1144 createCallback : function(action, rs, batch) {
1145 var actions = Ext.data.Api.actions;
1146 return (action == 'read') ? this.loadRecords : function(data, response, success) {
1147 // calls: onCreateRecords | onUpdateRecords | onDestroyRecords
1148 this['on' + Ext.util.Format.capitalize(action) + 'Records'](success, rs, [].concat(data));
1149 // If success === false here, exception will have been called in DataProxy
1150 if (success === true) {
1151 this.fireEvent('write', this, action, data, response, rs);
1153 this.removeFromBatch(batch, action, data);
1157 // Clears records from modified array after an exception event.
1158 // NOTE: records are left marked dirty. Do we want to commit them even though they were not updated/realized?
1159 // TODO remove this method?
1160 clearModified : function(rs) {
1161 if (Ext.isArray(rs)) {
1162 for (var n=rs.length-1;n>=0;n--) {
1163 this.modified.splice(this.modified.indexOf(rs[n]), 1);
1166 this.modified.splice(this.modified.indexOf(rs), 1);
1170 // remap record ids in MixedCollection after records have been realized. @see Store#onCreateRecords, @see DataReader#realize
1171 reMap : function(record) {
1172 if (Ext.isArray(record)) {
1173 for (var i = 0, len = record.length; i < len; i++) {
1174 this.reMap(record[i]);
1177 delete this.data.map[record._phid];
1178 this.data.map[record.id] = record;
1179 var index = this.data.keys.indexOf(record._phid);
1180 this.data.keys.splice(index, 1, record.id);
1181 delete record._phid;
1185 // @protected onCreateRecord proxy callback for create action
1186 onCreateRecords : function(success, rs, data) {
1187 if (success === true) {
1189 this.reader.realize(rs, data);
1193 this.handleException(e);
1194 if (Ext.isArray(rs)) {
1195 // Recurse to run back into the try {}. DataReader#realize splices-off the rs until empty.
1196 this.onCreateRecords(success, rs, data);
1202 // @protected, onUpdateRecords proxy callback for update action
1203 onUpdateRecords : function(success, rs, data) {
1204 if (success === true) {
1206 this.reader.update(rs, data);
1208 this.handleException(e);
1209 if (Ext.isArray(rs)) {
1210 // Recurse to run back into the try {}. DataReader#update splices-off the rs until empty.
1211 this.onUpdateRecords(success, rs, data);
1217 // @protected onDestroyRecords proxy callback for destroy action
1218 onDestroyRecords : function(success, rs, data) {
1219 // splice each rec out of this.removed
1220 rs = (rs instanceof Ext.data.Record) ? [rs] : [].concat(rs);
1221 for (var i=0,len=rs.length;i<len;i++) {
1222 this.removed.splice(this.removed.indexOf(rs[i]), 1);
1224 if (success === false) {
1225 // put records back into store if remote destroy fails.
1226 // @TODO: Might want to let developer decide.
1227 for (i=rs.length-1;i>=0;i--) {
1228 this.insert(rs[i].lastIndex, rs[i]); // <-- lastIndex set in Store#destroyRecord
1233 // protected handleException. Possibly temporary until Ext framework has an exception-handler.
1234 handleException : function(e) {
1235 // @see core/Error.js
1239 <div id="method-Ext.data.Store-reload"></div>/**
1240 * <p>Reloads the Record cache from the configured Proxy using the configured
1241 * {@link Ext.data.Reader Reader} and the options from the last load operation
1243 * <p><b>Note</b>: see the Important note in {@link #load}.</p>
1244 * @param {Object} options <p>(optional) An <tt>Object</tt> containing
1245 * {@link #load loading options} which may override the {@link #lastOptions options}
1246 * used in the last {@link #load} operation. See {@link #load} for details
1247 * (defaults to <tt>null</tt>, in which case the {@link #lastOptions} are
1249 * <br><p>To add new params to the existing params:</p><pre><code>
1250 lastOptions = myStore.lastOptions;
1251 Ext.apply(lastOptions.params, {
1254 myStore.reload(lastOptions);
1257 reload : function(options){
1258 this.load(Ext.applyIf(options||{}, this.lastOptions));
1262 // Called as a callback by the Reader during a load operation.
1263 loadRecords : function(o, options, success){
1266 if (this.isDestroyed === true) {
1269 if(!o || success === false){
1270 if(success !== false){
1271 this.fireEvent('load', this, [], options);
1273 if(options.callback){
1274 options.callback.call(options.scope || this, [], options, false, o);
1278 var r = o.records, t = o.totalRecords || r.length;
1279 if(!options || options.add !== true){
1280 if(this.pruneModifiedRecords){
1283 for(i = 0, len = r.length; i < len; i++){
1287 this.data = this.snapshot;
1288 delete this.snapshot;
1291 this.data.addAll(r);
1292 this.totalLength = t;
1294 this.fireEvent('datachanged', this);
1299 for(i = 0, len = r.length; i < len; ++i){
1301 if(this.indexOfId(rec.id) > -1){
1308 this.totalLength = Math.max(t, this.data.length + cnt);
1311 this.fireEvent('load', this, r, options);
1312 if(options.callback){
1313 options.callback.call(options.scope || this, r, options, true);
1317 <div id="method-Ext.data.Store-loadData"></div>/**
1318 * Loads data from a passed data block and fires the {@link #load} event. A {@link Ext.data.Reader Reader}
1319 * which understands the format of the data must have been configured in the constructor.
1320 * @param {Object} data The data block from which to read the Records. The format of the data expected
1321 * is dependent on the type of {@link Ext.data.Reader Reader} that is configured and should correspond to
1322 * that {@link Ext.data.Reader Reader}'s <tt>{@link Ext.data.Reader#readRecords}</tt> parameter.
1323 * @param {Boolean} append (Optional) <tt>true</tt> to append the new Records rather the default to replace
1324 * the existing cache.
1325 * <b>Note</b>: that Records in a Store are keyed by their {@link Ext.data.Record#id id}, so added Records
1326 * with ids which are already present in the Store will <i>replace</i> existing Records. Only Records with
1327 * new, unique ids will be added.
1329 loadData : function(o, append){
1330 var r = this.reader.readRecords(o);
1331 this.loadRecords(r, {add: append}, true);
1334 <div id="method-Ext.data.Store-getCount"></div>/**
1335 * Gets the number of cached records.
1336 * <p>If using paging, this may not be the total size of the dataset. If the data object
1337 * used by the Reader contains the dataset size, then the {@link #getTotalCount} function returns
1338 * the dataset size. <b>Note</b>: see the Important note in {@link #load}.</p>
1339 * @return {Number} The number of Records in the Store's cache.
1341 getCount : function(){
1342 return this.data.length || 0;
1345 <div id="method-Ext.data.Store-getTotalCount"></div>/**
1346 * Gets the total number of records in the dataset as returned by the server.
1347 * <p>If using paging, for this to be accurate, the data object used by the {@link #reader Reader}
1348 * must contain the dataset size. For remote data sources, the value for this property
1349 * (<tt>totalProperty</tt> for {@link Ext.data.JsonReader JsonReader},
1350 * <tt>totalRecords</tt> for {@link Ext.data.XmlReader XmlReader}) shall be returned by a query on the server.
1351 * <b>Note</b>: see the Important note in {@link #load}.</p>
1352 * @return {Number} The number of Records as specified in the data object passed to the Reader
1354 * <p><b>Note</b>: this value is not updated when changing the contents of the Store locally.</p>
1356 getTotalCount : function(){
1357 return this.totalLength || 0;
1360 <div id="method-Ext.data.Store-getSortState"></div>/**
1361 * Returns an object describing the current sort state of this Store.
1362 * @return {Object} The sort state of the Store. An object with two properties:<ul>
1363 * <li><b>field : String<p class="sub-desc">The name of the field by which the Records are sorted.</p></li>
1364 * <li><b>direction : String<p class="sub-desc">The sort order, 'ASC' or 'DESC' (case-sensitive).</p></li>
1366 * See <tt>{@link #sortInfo}</tt> for additional details.
1368 getSortState : function(){
1369 return this.sortInfo;
1374 * Invokes sortData if we have sortInfo to sort on and are not sorting remotely
1376 applySort : function(){
1377 if ((this.sortInfo || this.multiSortInfo) && !this.remoteSort) {
1384 * Performs the actual sorting of data. This checks to see if we currently have a multi sort or not. It applies
1385 * each sorter field/direction pair in turn by building an OR'ed master sorting function and running it against
1388 sortData : function() {
1389 var sortInfo = this.hasMultiSort ? this.multiSortInfo : this.sortInfo,
1390 direction = sortInfo.direction || "ASC",
1391 sorters = sortInfo.sorters,
1394 //if we just have a single sorter, pretend it's the first in an array
1395 if (!this.hasMultiSort) {
1396 sorters = [{direction: direction, field: sortInfo.field}];
1399 //create a sorter function for each sorter field/direction combo
1400 for (var i=0, j = sorters.length; i < j; i++) {
1401 sortFns.push(this.createSortFunction(sorters[i].field, sorters[i].direction));
1404 if (sortFns.length == 0) {
1408 //the direction modifier is multiplied with the result of the sorting functions to provide overall sort direction
1409 //(as opposed to direction per field)
1410 var directionModifier = direction.toUpperCase() == "DESC" ? -1 : 1;
1412 //create a function which ORs each sorter together to enable multi-sort
1413 var fn = function(r1, r2) {
1414 var result = sortFns[0].call(this, r1, r2);
1416 //if we have more than one sorter, OR any additional sorter functions together
1417 if (sortFns.length > 1) {
1418 for (var i=1, j = sortFns.length; i < j; i++) {
1419 result = result || sortFns[i].call(this, r1, r2);
1423 return directionModifier * result;
1427 this.data.sort(direction, fn);
1428 if (this.snapshot && this.snapshot != this.data) {
1429 this.snapshot.sort(direction, fn);
1435 * Creates and returns a function which sorts an array by the given field and direction
1436 * @param {String} field The field to create the sorter for
1437 * @param {String} direction The direction to sort by (defaults to "ASC")
1438 * @return {Function} A function which sorts by the field/direction combination provided
1440 createSortFunction: function(field, direction) {
1441 direction = direction || "ASC";
1442 var directionModifier = direction.toUpperCase() == "DESC" ? -1 : 1;
1444 var sortType = this.fields.get(field).sortType;
1446 //create a comparison function. Takes 2 records, returns 1 if record 1 is greater,
1447 //-1 if record 2 is greater or 0 if they are equal
1448 return function(r1, r2) {
1449 var v1 = sortType(r1.data[field]),
1450 v2 = sortType(r2.data[field]);
1452 return directionModifier * (v1 > v2 ? 1 : (v1 < v2 ? -1 : 0));
1456 <div id="method-Ext.data.Store-setDefaultSort"></div>/**
1457 * Sets the default sort column and order to be used by the next {@link #load} operation.
1458 * @param {String} fieldName The name of the field to sort by.
1459 * @param {String} dir (optional) The sort order, 'ASC' or 'DESC' (case-sensitive, defaults to <tt>'ASC'</tt>)
1461 setDefaultSort : function(field, dir) {
1462 dir = dir ? dir.toUpperCase() : 'ASC';
1463 this.sortInfo = {field: field, direction: dir};
1464 this.sortToggle[field] = dir;
1467 <div id="method-Ext.data.Store-sort"></div>/**
1469 * If remote sorting is used, the sort is performed on the server, and the cache is reloaded. If local
1470 * sorting is used, the cache is sorted internally. See also {@link #remoteSort} and {@link #paramNames}.
1471 * This function accepts two call signatures - pass in a field name as the first argument to sort on a single
1472 * field, or pass in an array of sort configuration objects to sort by multiple fields.
1473 * Single sort example:
1474 * store.sort('name', 'ASC');
1475 * Multi sort example:
1486 * In this second form, the sort configs are applied in order, with later sorters sorting within earlier sorters' results.
1487 * For example, if two records with the same name are present they will also be sorted by salary if given the sort configs
1488 * above. Any number of sort configs can be added.
1489 * @param {String/Array} fieldName The name of the field to sort by, or an array of ordered sort configs
1490 * @param {String} dir (optional) The sort order, 'ASC' or 'DESC' (case-sensitive, defaults to <tt>'ASC'</tt>)
1492 sort : function(fieldName, dir) {
1493 if (Ext.isArray(arguments[0])) {
1494 return this.multiSort.call(this, fieldName, dir);
1496 return this.singleSort(fieldName, dir);
1500 <div id="method-Ext.data.Store-singleSort"></div>/**
1501 * Sorts the store contents by a single field and direction. This is called internally by {@link sort} and would
1502 * not usually be called manually
1503 * @param {String} fieldName The name of the field to sort by.
1504 * @param {String} dir (optional) The sort order, 'ASC' or 'DESC' (case-sensitive, defaults to <tt>'ASC'</tt>)
1506 singleSort: function(fieldName, dir) {
1507 var field = this.fields.get(fieldName);
1512 var name = field.name,
1513 sortInfo = this.sortInfo || null,
1514 sortToggle = this.sortToggle ? this.sortToggle[name] : null;
1517 if (sortInfo && sortInfo.field == name) { // toggle sort dir
1518 dir = (this.sortToggle[name] || 'ASC').toggle('ASC', 'DESC');
1520 dir = field.sortDir;
1524 this.sortToggle[name] = dir;
1525 this.sortInfo = {field: name, direction: dir};
1526 this.hasMultiSort = false;
1528 if (this.remoteSort) {
1529 if (!this.load(this.lastOptions)) {
1531 this.sortToggle[name] = sortToggle;
1534 this.sortInfo = sortInfo;
1539 this.fireEvent('datachanged', this);
1544 <div id="method-Ext.data.Store-multiSort"></div>/**
1545 * Sorts the contents of this store by multiple field/direction sorters. This is called internally by {@link sort}
1546 * and would not usually be called manually.
1547 * Multi sorting only currently applies to local datasets - multiple sort data is not currently sent to a proxy
1548 * if remoteSort is used.
1549 * @param {Array} sorters Array of sorter objects (field and direction)
1550 * @param {String} direction Overall direction to sort the ordered results by (defaults to "ASC")
1552 multiSort: function(sorters, direction) {
1553 this.hasMultiSort = true;
1554 direction = direction || "ASC";
1556 //toggle sort direction
1557 if (this.multiSortInfo && direction == this.multiSortInfo.direction) {
1558 direction = direction.toggle("ASC", "DESC");
1561 <div id="prop-Ext.data.Store-multiSortInfo"></div>/**
1562 * Object containing overall sort direction and an ordered array of sorter configs used when sorting on multiple fields
1563 * @property multiSortInfo
1566 this.multiSortInfo = {
1568 direction: direction
1571 if (this.remoteSort) {
1572 this.singleSort(sorters[0].field, sorters[0].direction);
1576 this.fireEvent('datachanged', this);
1580 <div id="method-Ext.data.Store-each"></div>/**
1581 * Calls the specified function for each of the {@link Ext.data.Record Records} in the cache.
1582 * @param {Function} fn The function to call. The {@link Ext.data.Record Record} is passed as the first parameter.
1583 * Returning <tt>false</tt> aborts and exits the iteration.
1584 * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the function is executed.
1585 * Defaults to the current {@link Ext.data.Record Record} in the iteration.
1587 each : function(fn, scope){
1588 this.data.each(fn, scope);
1591 <div id="method-Ext.data.Store-getModifiedRecords"></div>/**
1592 * Gets all {@link Ext.data.Record records} modified since the last commit. Modified records are
1593 * persisted across load operations (e.g., during paging). <b>Note</b>: deleted records are not
1594 * included. See also <tt>{@link #pruneModifiedRecords}</tt> and
1595 * {@link Ext.data.Record}<tt>{@link Ext.data.Record#markDirty markDirty}.</tt>.
1596 * @return {Ext.data.Record[]} An array of {@link Ext.data.Record Records} containing outstanding
1597 * modifications. To obtain modified fields within a modified record see
1598 *{@link Ext.data.Record}<tt>{@link Ext.data.Record#modified modified}.</tt>.
1600 getModifiedRecords : function(){
1601 return this.modified;
1604 <div id="method-Ext.data.Store-sum"></div>/**
1605 * Sums the value of <tt>property</tt> for each {@link Ext.data.Record record} between <tt>start</tt>
1606 * and <tt>end</tt> and returns the result.
1607 * @param {String} property A field in each record
1608 * @param {Number} start (optional) The record index to start at (defaults to <tt>0</tt>)
1609 * @param {Number} end (optional) The last record index to include (defaults to length - 1)
1610 * @return {Number} The sum
1612 sum : function(property, start, end){
1613 var rs = this.data.items, v = 0;
1615 end = (end || end === 0) ? end : rs.length-1;
1617 for(var i = start; i <= end; i++){
1618 v += (rs[i].data[property] || 0);
1625 * Returns a filter function used to test a the given property's value. Defers most of the work to
1626 * Ext.util.MixedCollection's createValueMatcher function
1627 * @param {String} property The property to create the filter function for
1628 * @param {String/RegExp} value The string/regex to compare the property value to
1629 * @param {Boolean} anyMatch True if we don't care if the filter value is not the full value (defaults to false)
1630 * @param {Boolean} caseSensitive True to create a case-sensitive regex (defaults to false)
1631 * @param {Boolean} exactMatch True to force exact match (^ and $ characters added to the regex). Defaults to false. Ignored if anyMatch is true.
1633 createFilterFn : function(property, value, anyMatch, caseSensitive, exactMatch){
1634 if(Ext.isEmpty(value, false)){
1637 value = this.data.createValueMatcher(value, anyMatch, caseSensitive, exactMatch);
1638 return function(r) {
1639 return value.test(r.data[property]);
1645 * Given an array of filter functions (each with optional scope), constructs and returns a single function that returns
1646 * the result of all of the filters ANDed together
1647 * @param {Array} filters The array of filter objects (each object should contain an 'fn' and optional scope)
1648 * @return {Function} The multiple filter function
1650 createMultipleFilterFn: function(filters) {
1651 return function(record) {
1654 for (var i=0, j = filters.length; i < j; i++) {
1655 var filter = filters[i],
1657 scope = filter.scope;
1659 isMatch = isMatch && fn.call(scope, record);
1666 <div id="method-Ext.data.Store-filter"></div>/**
1667 * Filter the {@link Ext.data.Record records} by a specified property. Alternatively, pass an array of filter
1668 * options to filter by more than one property.
1669 * Single filter example:
1670 * store.filter('name', 'Ed', true, true); //finds all records containing the substring 'Ed'
1671 * Multiple filter example:
1675 * property : 'name',
1677 * anyMatch : true, //optional, defaults to true
1678 * caseSensitive: true //optional, defaults to true
1681 * //filter functions can also be passed
1683 * fn : function(record) {
1684 * return record.get('age') == 24
1690 * @param {String|Array} field A field on your records, or an array containing multiple filter options
1691 * @param {String/RegExp} value Either a string that the field should begin with, or a RegExp to test
1692 * against the field.
1693 * @param {Boolean} anyMatch (optional) <tt>true</tt> to match any part not just the beginning
1694 * @param {Boolean} caseSensitive (optional) <tt>true</tt> for case sensitive comparison
1695 * @param {Boolean} exactMatch True to force exact match (^ and $ characters added to the regex). Defaults to false. Ignored if anyMatch is true.
1697 filter : function(property, value, anyMatch, caseSensitive, exactMatch){
1699 //we can accept an array of filter objects, or a single filter object - normalize them here
1700 if (Ext.isObject(property)) {
1701 property = [property];
1704 if (Ext.isArray(property)) {
1707 //normalize the filters passed into an array of filter functions
1708 for (var i=0, j = property.length; i < j; i++) {
1709 var filter = property[i],
1711 scope = filter.scope || this;
1713 //if we weren't given a filter function, construct one now
1714 if (!Ext.isFunction(func)) {
1715 func = this.createFilterFn(filter.property, filter.value, filter.anyMatch, filter.caseSensitive, filter.exactMatch);
1718 filters.push({fn: func, scope: scope});
1721 fn = this.createMultipleFilterFn(filters);
1723 //classic single property filter
1724 fn = this.createFilterFn(property, value, anyMatch, caseSensitive, exactMatch);
1727 return fn ? this.filterBy(fn) : this.clearFilter();
1730 <div id="method-Ext.data.Store-filterBy"></div>/**
1731 * Filter by a function. The specified function will be called for each
1732 * Record in this Store. If the function returns <tt>true</tt> the Record is included,
1733 * otherwise it is filtered out.
1734 * @param {Function} fn The function to be called. It will be passed the following parameters:<ul>
1735 * <li><b>record</b> : Ext.data.Record<p class="sub-desc">The {@link Ext.data.Record record}
1736 * to test for filtering. Access field values using {@link Ext.data.Record#get}.</p></li>
1737 * <li><b>id</b> : Object<p class="sub-desc">The ID of the Record passed.</p></li>
1739 * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the function is executed. Defaults to this Store.
1741 filterBy : function(fn, scope){
1742 this.snapshot = this.snapshot || this.data;
1743 this.data = this.queryBy(fn, scope || this);
1744 this.fireEvent('datachanged', this);
1747 <div id="method-Ext.data.Store-clearFilter"></div>/**
1748 * Revert to a view of the Record cache with no filtering applied.
1749 * @param {Boolean} suppressEvent If <tt>true</tt> the filter is cleared silently without firing the
1750 * {@link #datachanged} event.
1752 clearFilter : function(suppressEvent){
1753 if(this.isFiltered()){
1754 this.data = this.snapshot;
1755 delete this.snapshot;
1756 if(suppressEvent !== true){
1757 this.fireEvent('datachanged', this);
1762 <div id="method-Ext.data.Store-isFiltered"></div>/**
1763 * Returns true if this store is currently filtered
1766 isFiltered : function(){
1767 return !!this.snapshot && this.snapshot != this.data;
1770 <div id="method-Ext.data.Store-query"></div>/**
1771 * Query the records by a specified property.
1772 * @param {String} field A field on your records
1773 * @param {String/RegExp} value Either a string that the field
1774 * should begin with, or a RegExp to test against the field.
1775 * @param {Boolean} anyMatch (optional) True to match any part not just the beginning
1776 * @param {Boolean} caseSensitive (optional) True for case sensitive comparison
1777 * @return {MixedCollection} Returns an Ext.util.MixedCollection of the matched records
1779 query : function(property, value, anyMatch, caseSensitive){
1780 var fn = this.createFilterFn(property, value, anyMatch, caseSensitive);
1781 return fn ? this.queryBy(fn) : this.data.clone();
1784 <div id="method-Ext.data.Store-queryBy"></div>/**
1785 * Query the cached records in this Store using a filtering function. The specified function
1786 * will be called with each record in this Store. If the function returns <tt>true</tt> the record is
1787 * included in the results.
1788 * @param {Function} fn The function to be called. It will be passed the following parameters:<ul>
1789 * <li><b>record</b> : Ext.data.Record<p class="sub-desc">The {@link Ext.data.Record record}
1790 * to test for filtering. Access field values using {@link Ext.data.Record#get}.</p></li>
1791 * <li><b>id</b> : Object<p class="sub-desc">The ID of the Record passed.</p></li>
1793 * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the function is executed. Defaults to this Store.
1794 * @return {MixedCollection} Returns an Ext.util.MixedCollection of the matched records
1796 queryBy : function(fn, scope){
1797 var data = this.snapshot || this.data;
1798 return data.filterBy(fn, scope||this);
1801 <div id="method-Ext.data.Store-find"></div>/**
1802 * Finds the index of the first matching Record in this store by a specific field value.
1803 * @param {String} fieldName The name of the Record field to test.
1804 * @param {String/RegExp} value Either a string that the field value
1805 * should begin with, or a RegExp to test against the field.
1806 * @param {Number} startIndex (optional) The index to start searching at
1807 * @param {Boolean} anyMatch (optional) True to match any part of the string, not just the beginning
1808 * @param {Boolean} caseSensitive (optional) True for case sensitive comparison
1809 * @return {Number} The matched index or -1
1811 find : function(property, value, start, anyMatch, caseSensitive){
1812 var fn = this.createFilterFn(property, value, anyMatch, caseSensitive);
1813 return fn ? this.data.findIndexBy(fn, null, start) : -1;
1816 <div id="method-Ext.data.Store-findExact"></div>/**
1817 * Finds the index of the first matching Record in this store by a specific field value.
1818 * @param {String} fieldName The name of the Record field to test.
1819 * @param {Mixed} value The value to match the field against.
1820 * @param {Number} startIndex (optional) The index to start searching at
1821 * @return {Number} The matched index or -1
1823 findExact: function(property, value, start){
1824 return this.data.findIndexBy(function(rec){
1825 return rec.get(property) === value;
1829 <div id="method-Ext.data.Store-findBy"></div>/**
1830 * Find the index of the first matching Record in this Store by a function.
1831 * If the function returns <tt>true</tt> it is considered a match.
1832 * @param {Function} fn The function to be called. It will be passed the following parameters:<ul>
1833 * <li><b>record</b> : Ext.data.Record<p class="sub-desc">The {@link Ext.data.Record record}
1834 * to test for filtering. Access field values using {@link Ext.data.Record#get}.</p></li>
1835 * <li><b>id</b> : Object<p class="sub-desc">The ID of the Record passed.</p></li>
1837 * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the function is executed. Defaults to this Store.
1838 * @param {Number} startIndex (optional) The index to start searching at
1839 * @return {Number} The matched index or -1
1841 findBy : function(fn, scope, start){
1842 return this.data.findIndexBy(fn, scope, start);
1845 <div id="method-Ext.data.Store-collect"></div>/**
1846 * Collects unique values for a particular dataIndex from this store.
1847 * @param {String} dataIndex The property to collect
1848 * @param {Boolean} allowNull (optional) Pass true to allow null, undefined or empty string values
1849 * @param {Boolean} bypassFilter (optional) Pass true to collect from all records, even ones which are filtered
1850 * @return {Array} An array of the unique values
1852 collect : function(dataIndex, allowNull, bypassFilter){
1853 var d = (bypassFilter === true && this.snapshot) ?
1854 this.snapshot.items : this.data.items;
1855 var v, sv, r = [], l = {};
1856 for(var i = 0, len = d.length; i < len; i++){
1857 v = d[i].data[dataIndex];
1859 if((allowNull || !Ext.isEmpty(v)) && !l[sv]){
1868 afterEdit : function(record){
1869 if(this.modified.indexOf(record) == -1){
1870 this.modified.push(record);
1872 this.fireEvent('update', this, record, Ext.data.Record.EDIT);
1876 afterReject : function(record){
1877 this.modified.remove(record);
1878 this.fireEvent('update', this, record, Ext.data.Record.REJECT);
1882 afterCommit : function(record){
1883 this.modified.remove(record);
1884 this.fireEvent('update', this, record, Ext.data.Record.COMMIT);
1887 <div id="method-Ext.data.Store-commitChanges"></div>/**
1888 * Commit all Records with {@link #getModifiedRecords outstanding changes}. To handle updates for changes,
1889 * subscribe to the Store's {@link #update update event}, and perform updating when the third parameter is
1890 * Ext.data.Record.COMMIT.
1892 commitChanges : function(){
1893 var modified = this.modified.slice(0),
1894 length = modified.length,
1897 for (i = 0; i < length; i++){
1898 modified[i].commit();
1905 <div id="method-Ext.data.Store-rejectChanges"></div>/**
1906 * {@link Ext.data.Record#reject Reject} outstanding changes on all {@link #getModifiedRecords modified records}.
1908 rejectChanges : function() {
1909 var modified = this.modified.slice(0),
1910 removed = this.removed.slice(0).reverse(),
1911 mLength = modified.length,
1912 rLength = removed.length,
1915 for (i = 0; i < mLength; i++) {
1916 modified[i].reject();
1919 for (i = 0; i < rLength; i++) {
1920 this.insert(removed[i].lastIndex || 0, removed[i]);
1921 removed[i].reject();
1929 onMetaChange : function(meta){
1930 this.recordType = this.reader.recordType;
1931 this.fields = this.recordType.prototype.fields;
1932 delete this.snapshot;
1933 if(this.reader.meta.sortInfo){
1934 this.sortInfo = this.reader.meta.sortInfo;
1935 }else if(this.sortInfo && !this.fields.get(this.sortInfo.field)){
1936 delete this.sortInfo;
1939 this.writer.meta = this.reader.meta;
1942 this.fireEvent('metachange', this, this.reader.meta);
1946 findInsertIndex : function(record){
1947 this.suspendEvents();
1948 var data = this.data.clone();
1949 this.data.add(record);
1951 var index = this.data.indexOf(record);
1953 this.resumeEvents();
1957 <div id="method-Ext.data.Store-setBaseParam"></div>/**
1958 * Set the value for a property name in this store's {@link #baseParams}. Usage:</p><pre><code>
1959 myStore.setBaseParam('foo', {bar:3});
1961 * @param {String} name Name of the property to assign
1962 * @param {Mixed} value Value to assign the <tt>name</tt>d property
1964 setBaseParam : function (name, value){
1965 this.baseParams = this.baseParams || {};
1966 this.baseParams[name] = value;
1970 Ext.reg('store', Ext.data.Store);
1972 <div id="cls-Ext.data.Store.Error"></div>/**
1973 * @class Ext.data.Store.Error
1974 * @extends Ext.Error
1975 * Store Error extension.
1976 * @param {String} name
1978 Ext.data.Store.Error = Ext.extend(Ext.Error, {
1979 name: 'Ext.data.Store'
1981 Ext.apply(Ext.data.Store.Error.prototype, {
1983 'writer-undefined' : 'Attempted to execute a write-action without a DataWriter installed.'