/** * A mixin that provides common store methods for Ext.data.Store & Ext.data.ChainedStore. * @private */Ext.define('Ext.data.LocalStore', { extend: 'Ext.Mixin', mixinConfig: { id: 'localstore' }, config: { extraKeys: null }, applyExtraKeys: function(extraKeys) { var indexName, data = this.getData(); // Add the extra keys to the data collection data.setExtraKeys(extraKeys); // Pluck the extra keys out so that we can keep them by index name extraKeys = data.getExtraKeys(); for (indexName in extraKeys) { this[indexName] = extraKeys[indexName]; } }, /** * Adds Model instance to the Store. This method accepts either: * * - An array of Model instances or Model configuration objects. * - Any number of Model instance or Model configuration object arguments. * * The new Model instances will be added at the end of the existing collection. * * Sample usage: * * myStore.add({some: 'data'}, {some: 'other data'}); * * Note that if this Store is sorted, the new Model instances will be inserted * at the correct point in the Store to maintain the sort order. * * @param {Ext.data.Model[]/Ext.data.Model.../Object[]/Object...} model An array of Model instances * or Model configuration objects, or variable number of Model instance or config arguments. * @return {Ext.data.Model[]} The model instances that were added */ add: function(arg) { return this.insert(this.getCount(), arguments.length === 1 ? arg : arguments); }, constructDataCollection: function() { return new Ext.util.Collection({ rootProperty: 'data' }); }, /** * Converts a literal to a model, if it's not a model already * @private * @param {Ext.data.Model/Object} record The record to create * @return {Ext.data.Model} */ createModel: function(record) { var session = this.getSession(), Model; if (!record.isModel) { Model = this.getModel(); record = new Model(record, session); } return record; }, createFiltersCollection: function() { return this.getData().getFilters(); }, createSortersCollection: function() { var sorters = this.getData().getSorters(); sorters.setSorterConfigure(this.addFieldTransform, this); return sorters; }, // When the collection informs us that it has sorted, this LocalStore must react. // AbstractStore#onSorterEndUpdate does the correct thing (fires a refresh) if remote sorting is false onCollectionSort: function() { this.onSorterEndUpdate(); }, // When the collection informs us that it has filtered, this LocalStore must react. // AbstractStore#onFilterEndUpdate does the correct thing (fires a refresh) if remote sorting is false onCollectionFilter: function() { this.onFilterEndUpdate(); }, notifySorterChange: function() { this.getData().onSorterChange(); }, forceLocalSort: function() { this.getData().onSortChange(); }, // Inherit docs contains: function(record) { return this.indexOf(record) > -1; }, /** * Calls the specified function for each {@link Ext.data.Model record} in the store. * * When store is filtered, only loops over the filtered records. * * @param {Function} fn The function to call. The {@link Ext.data.Model Record} is passed as the first parameter. * Returning `false` aborts and exits the iteration. * @param {Object} [scope] The scope (this reference) in which the function is executed. * Defaults to the current {@link Ext.data.Model record} in the iteration. */ each: function(fn, scope) { var data = this.data.items, len = data.length, record, i; for (i = 0; i < len; ++i) { record = data[i]; if (fn.call(scope || record, record, i, len) === false) { break; } } }, /** * Collects unique values for a particular dataIndex from this store. * * @param {String} dataIndex The property to collect * @param {Boolean} [allowNull] Pass true to allow null, undefined or empty string values * @param {Boolean} [bypassFilter] Pass true to collect from all records, even ones which are filtered. * @return {Object[]} An array of the unique values */ collect: function(dataIndex, allowNull, bypassFilter) { var me = this, data = me.getData(); if (bypassFilter === true && data.filtered) { data = data.getSource(); } return data.collect(dataIndex, 'data', allowNull); }, /** * Get the Record with the specified id. * * This method is not affected by filtering, lookup will be performed from all records * inside the store, filtered or not. * * @param {Mixed} id The id of the Record to find. * @return {Ext.data.Model} The Record with the passed id. Returns null if not found. */ getById: function(id) { var data = this.getData(); if (data.filtered) { data = data.getSource(); } return data.get(id) || null; }, /** * @private * Get the Record with the specified internalId. * * This method is not affected by filtering, lookup will be performed from all records * inside the store, filtered or not. * * @param {Mixed} internalId The id of the Record to find. * @return {Ext.data.Model} The Record with the passed internalId. Returns null if not found. */ getByInternalId: function(internalId) { var data = this.getData(), keyCfg; if (data.filtered) { if (!data.$hasExtraKeys) { keyCfg = this.makeInternalKeyCfg(); data.setExtraKeys(keyCfg); data.$hasExtraKeys = true; } data = data.getSource(); } if (!data.$hasExtraKeys) { data.setExtraKeys(keyCfg || this.makeInternalKeyCfg()); data.$hasExtraKeys = true; } return data.byInternalId.get(internalId) || null; }, /** * Returns the complete unfiltered collection. * @private */ getDataSource: function () { var data = this.getData(); return data.getSource() || data; }, /** * Get the index of the record within the store. * * When store is filtered, records outside of filter will not be found. * * @param {Ext.data.Model} record The Ext.data.Model object to find. * @return {Number} The index of the passed Record. Returns -1 if not found. */ indexOf: function(record) { return this.getData().indexOf(record); }, /** * Get the index within the store of the Record with the passed id. * * Like #indexOf, this method is effected by filtering. * * @param {String} id The id of the Record to find. * @return {Number} The index of the Record. Returns -1 if not found. */ indexOfId: function(id) { return this.indexOf(this.getById(id)); }, /** * Inserts Model instances into the Store at the given index and fires the add event. * See also {@link #method-add}. * * @param {Number} index The start index at which to insert the passed Records. * @param {Ext.data.Model/Ext.data.Model[]/Object/Object[]} records An `Ext.data.Model` instance, the * data needed to populate an instance or an array of either of these. * * @return {Ext.data.Model[]} records The added records */ insert: function(index, records) { var me = this, len, i; if (records) { if (!Ext.isIterable(records)) { records = [records]; } else { records = Ext.Array.clone(records); } len = records.length; } if (!len) { return []; } for (i = 0; i < len; ++i) { records[i] = me.createModel(records[i]); } me.getData().insert(index, records); return records; }, /** * Query all the cached records in this Store using a filtering function. The specified function * will be called with each record in this Store. If the function returns `true` the record is * included in the results. * * This method is not affected by filtering, it will always search *all* records in the store * regardless of filtering. * * @param {Function} fn The function to be called. It will be passed the following parameters: * @param {Ext.data.Model} fn.record The record to test for filtering. Access field values * using {@link Ext.data.Model#get}. * @param {Object} fn.id The ID of the Record passed. * @param {Object} [scope] The scope (this reference) in which the function is executed * Defaults to this Store. * @return {Ext.util.Collection} The matched records */ queryBy: function(fn, scope) { var data = this.getData(); return (data.getSource() || data).createFiltered(fn, scope); }, /** * Query all the cached records in this Store by name/value pair. * The parameters will be used to generated a filter function that is given * to the queryBy method. * * This method complements queryBy by generating the query function automatically. * * This method is not affected by filtering, it will always search *all* records in the store * regardless of filtering. * * @param {String} property The property to create the filter function for * @param {String/RegExp} value The string/regex to compare the property value to * @param {Boolean} [anyMatch=false] True to match any part of the string, not just the * beginning. * @param {Boolean} [caseSensitive=false] `true` to create a case-sensitive regex. * @param {Boolean} [exactMatch=false] True to force exact match (^ and $ characters * added to the regex). Ignored if `anyMatch` is `true`. * @return {Ext.util.Collection} The matched records */ query: function(property, value, anyMatch, caseSensitive, exactMatch) { var data = this.getData(); return (data.getSource() || data).createFiltered(property, value, anyMatch, caseSensitive, exactMatch); }, /** * Convenience function for getting the first model instance in the store. * * When store is filtered, will return first item within the filter. * * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the first record being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Ext.data.Model/undefined} The first model instance in the store, or undefined */ first: function(grouped) { return this.getData().first(grouped) || null; }, /** * Convenience function for getting the last model instance in the store. * * When store is filtered, will return last item within the filter. * * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the last record being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Ext.data.Model/undefined} The last model instance in the store, or undefined */ last: function(grouped) { return this.getData().last(grouped) || null; }, /** * Sums the value of `field` for each {@link Ext.data.Model record} in store * and returns the result. * * When store is filtered, only sums items within the filter. * * @param {String} field A field in each record * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the sum for that group being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Number} The sum */ sum: function(field, grouped) { var data = this.getData(); return (grouped && this.isGrouped()) ? data.sumByGroup(field) : data.sum(field); }, /** * Gets the count of items in the store. * * When store is filtered, only items within the filter are counted. * * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the count for each group being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Number} the count */ count: function(grouped) { var data = this.getData(); return (grouped && this.isGrouped()) ? data.countByGroup() : data.count(); }, /** * Gets the minimum value in the store. * * When store is filtered, only items within the filter are aggregated. * * @param {String} field The field in each record * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the minimum in the group being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Object} The minimum value, if no items exist, undefined. */ min: function(field, grouped) { var data = this.getData(); return (grouped && this.isGrouped()) ? data.minByGroup(field) : data.min(field); }, /** * Gets the maximum value in the store. * * When store is filtered, only items within the filter are aggregated. * * @param {String} field The field in each record * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the maximum in the group being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Object} The maximum value, if no items exist, undefined. */ max: function(field, grouped) { var data = this.getData(); return (grouped && this.isGrouped()) ? data.maxByGroup(field) : data.max(field); }, /** * Gets the average value in the store. * * When store is filtered, only items within the filter are aggregated. * * @param {String} field The field in each record * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the group average being the value. The grouped parameter is only honored if * the store has a groupField. * @return {Object} The average value, if no items exist, 0. */ average: function(field, grouped) { var data = this.getData(); return (grouped && this.isGrouped()) ? data.averageByGroup(field) : data.average(field); }, /** * Runs the aggregate function for all the records in the store. * * When store is filtered, only items within the filter are aggregated. * * @param {Function} fn The function to execute. The function is called with a single parameter, * an array of records for that group. * @param {Object} [scope] The scope to execute the function in. Defaults to the store. * @param {Boolean} [grouped] True to perform the operation for each group * in the store. The value returned will be an object literal with the key being the group * name and the group average being the value. The grouped parameter is only honored if * the store has a groupField. * @param {String} field The field to get the value from * @return {Object} An object literal with the group names and their appropriate values. */ aggregate: function(fn, scope, grouped, field) { var me = this, groups, len, out, group, i; if (grouped && me.isGrouped()) { groups = me.getGroups().items; len = groups.length; out = {}; for (i = 0; i < len; ++i) { group = groups[i]; out[group.getGroupKey()] = me.getAggregate(fn, scope || me, group.items, field); } return out; } else { return me.getAggregate(fn, scope, me.getData().items, field); } }, getAggregate: function(fn, scope, records, field){ var values = [], len = records.length, i; //TODO EXTJSIV-12307 - not the right way to call fn for (i = 0; i < len; ++i) { values[i] = records[i].get(field); } return fn.call(scope || this, records, values); }, addObserver: function (observer) { var observers = this.observers; if (!observers) { this.observers = observers = new Ext.util.Collection(); } observers.add(observer); }, removeObserver: function (observer) { var observers = this.observers; if (observers) { observers.remove(observer); } }, callObservers: function(action, args) { var observers = this.observers, len, items, i, methodName, item; if (observers) { items = observers.items; if (args) { args.unshift(this); } else { args = [this]; } for (i = 0, len = items.length; i < len; ++i) { item = items[i]; methodName = 'onSource' + action; if (item[methodName]) { item[methodName].apply(item, args); } } } }, /** * Query all the cached records in this Store using a filtering function. The specified function * will be called with each record in this Store. If the function returns `true` the record is * included in the results. * * This method is not affected by filtering, it will always search *all* records in the store * regardless of filtering. * * @param {Function} fn The function to be called. It will be passed the following parameters: * @param {Ext.data.Model} fn.record The record to test for filtering. * @param {Object} [scope] The scope (this reference) in which the function is executed * Defaults to this Store. * @return {Ext.data.Model[]} The matched records. * * @private */ queryRecordsBy: function(fn, scope) { var data = this.getData(), matches = [], len, i, record; data = (data.getSource() || data).items; scope = scope || this; for (i = 0, len = data.length; i < len; ++i) { record = data[i]; if (fn.call(scope, record) === true) { matches.push(record); } } return matches; }, /** * Query all the cached records in this Store by field. * * This method is not affected by filtering, it will always search *all* records in the store * regardless of filtering. * * @param {String} field The field from each record to use. * @param {Object} value The value to match. * @return {Ext.data.Model[]} The matched records. * * @private */ queryRecords: function(field, value) { var data = this.getData(), matches = [], len, i, record; data = (data.getSource() || data).items; for (i = 0, len = data.length; i < len; ++i) { record = data[i]; if (record.get(field) === value) { matches.push(record); } } return matches; }, privates: { isLast: function(record) { return record === this.last(); }, makeInternalKeyCfg: function() { return { byInternalId: { property: 'internalId', rootProperty: '' } }; } } });