shubhadownloader
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JavaScript
/**
* @class Ext.ux.grid.filter.ListFilter
* @extends Ext.ux.grid.filter.Filter
* <p>List filters are able to be preloaded/backed by an Ext.data.Store to load
* their options the first time they are shown. ListFilter utilizes the
* {@link Ext.ux.grid.menu.ListMenu} component.</p>
* <p>Although not shown here, this class accepts all configuration options
* for {@link Ext.ux.grid.menu.ListMenu}.</p>
*
* <p><b><u>Example Usage:</u></b></p>
* <pre><code>
var filters = Ext.create('Ext.ux.grid.GridFilters', {
...
filters: [{
type: 'list',
dataIndex: 'size',
phpMode: true,
// options will be used as data to implicitly creates an ArrayStore
options: ['extra small', 'small', 'medium', 'large', 'extra large']
}]
});
* </code></pre>
*
*/
Ext.define('Ext.ux.grid.filter.ListFilter', {
extend: 'Ext.ux.grid.filter.Filter',
alias: 'gridfilter.list',
/**
* @cfg {Array} options
* <p><code>data</code> to be used to implicitly create a data store
* to back this list when the data source is <b>local</b>. If the
* data for the list is remote, use the <code>{@link #store}</code>
* config instead.</p>
* <br><p>Each item within the provided array may be in one of the
* following formats:</p>
* <div class="mdetail-params"><ul>
* <li><b>Array</b> :
* <pre><code>
options: [
[11, 'extra small'],
[18, 'small'],
[22, 'medium'],
[35, 'large'],
[44, 'extra large']
]
* </code></pre>
* </li>
* <li><b>Object</b> :
* <pre><code>
labelField: 'name', // override default of 'text'
options: [
{id: 11, name:'extra small'},
{id: 18, name:'small'},
{id: 22, name:'medium'},
{id: 35, name:'large'},
{id: 44, name:'extra large'}
]
* </code></pre>
* </li>
* <li><b>String</b> :
* <pre><code>
* options: ['extra small', 'small', 'medium', 'large', 'extra large']
* </code></pre>
* </li>
*/
/**
* @cfg {Boolean} phpMode
* <p>Adjust the format of this filter. Defaults to false.</p>
* <br><p>When GridFilters <code>@cfg encode = false</code> (default):</p>
* <pre><code>
// phpMode == false (default):
filter[0][data][type] list
filter[0][data][value] value1
filter[0][data][value] value2
filter[0][field] prod
// phpMode == true:
filter[0][data][type] list
filter[0][data][value] value1, value2
filter[0][field] prod
* </code></pre>
* When GridFilters <code>@cfg encode = true</code>:
* <pre><code>
// phpMode == false (default):
filter : [{"type":"list","value":["small","medium"],"field":"size"}]
// phpMode == true:
filter : [{"type":"list","value":"small,medium","field":"size"}]
* </code></pre>
*/
phpMode : false,
/**
* @cfg {Ext.data.Store} store
* The {@link Ext.data.Store} this list should use as its data source
* when the data source is <b>remote</b>. If the data for the list
* is local, use the <code>{@link #options}</code> config instead.
*/
/**
* @private
* Template method that is to initialize the filter.
* @param {Object} config
*/
init : function (config) {
this.dt = Ext.create('Ext.util.DelayedTask', this.fireUpdate, this);
},
/**
* @private @override
* Creates the Menu for this filter.
* @param {Object} config Filter configuration
* @return {Ext.menu.Menu}
*/
createMenu: function(config) {
var menu = Ext.create('Ext.ux.grid.menu.ListMenu', config);
menu.on('checkchange', this.onCheckChange, this);
return menu;
},
/**
* @private
* Template method that is to get and return the value of the filter.
* @return {String} The value of this filter
*/
getValue : function () {
return this.menu.getSelected();
},
/**
* @private
* Template method that is to set the value of the filter.
* @param {Object} value The value to set the filter
*/
setValue : function (value) {
this.menu.setSelected(value);
this.fireEvent('update', this);
},
/**
* @private
* Template method that is to return <tt>true</tt> if the filter
* has enough configuration information to be activated.
* @return {Boolean}
*/
isActivatable : function () {
return this.getValue().length > 0;
},
/**
* @private
* Template method that is to get and return serialized filter data for
* transmission to the server.
* @return {Object/Array} An object or collection of objects containing
* key value pairs representing the current configuration of the filter.
*/
getSerialArgs : function () {
return {type: 'list', value: this.phpMode ? this.getValue().join(',') : this.getValue()};
},
/** @private */
onCheckChange : function(){
this.dt.delay(this.updateBuffer);
},
/**
* Template method that is to validate the provided Ext.data.Record
* against the filters configuration.
* @param {Ext.data.Record} record The record to validate
* @return {Boolean} true if the record is valid within the bounds
* of the filter, false otherwise.
*/
validateRecord : function (record) {
var valuesArray = this.getValue();
return Ext.Array.indexOf(valuesArray, record.get(this.dataIndex)) > -1;
}
});