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/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
/**
* @class Ext.ux.grid.filter.StringFilter
* @extends Ext.ux.grid.filter.Filter
* Filter by a configurable Ext.form.TextField
* <p><b><u>Example Usage:</u></b></p>
* <pre><code>
var filters = new Ext.ux.grid.GridFilters({
...
filters: [{
// required configs
type: 'string',
dataIndex: 'name',
// optional configs
value: 'foo',
active: true, // default is false
iconCls: 'ux-gridfilter-text-icon' // default
// any Ext.form.TextField configs accepted
}]
});
* </code></pre>
*/
Ext.ux.grid.filter.StringFilter = Ext.extend(Ext.ux.grid.filter.Filter, {
/**
* @cfg {String} iconCls
* The iconCls to be applied to the menu item.
* Defaults to <tt>'ux-gridfilter-text-icon'</tt>.
*/
iconCls : 'ux-gridfilter-text-icon',
emptyText: 'Enter Filter Text...',
selectOnFocus: true,
width: 125,
/**
* @private
* Template method that is to initialize the filter and install required menu items.
*/
init : function (config) {
Ext.applyIf(config, {
enableKeyEvents: true,
iconCls: this.iconCls,
listeners: {
scope: this,
keyup: this.onInputKeyUp
}
});
this.inputItem = new Ext.form.TextField(config);
this.menu.add(this.inputItem);
this.updateTask = new Ext.util.DelayedTask(this.fireUpdate, this);
},
/**
* @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.inputItem.getValue();
},
/**
* @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.inputItem.setValue(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.inputItem.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: 'string', value: this.getValue()};
},
/**
* 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 val = record.get(this.dataIndex);
if(typeof val != 'string') {
return (this.getValue().length === 0);
}
return val.toLowerCase().indexOf(this.getValue().toLowerCase()) > -1;
},
/**
* @private
* Handler method called when there is a keyup event on this.inputItem
*/
onInputKeyUp : function (field, e) {
var k = e.getKey();
if (k == e.RETURN && field.isValid()) {
e.stopEvent();
this.menu.hide(true);
return;
}
// restart the timer
this.updateTask.delay(this.updateBuffer);
}
});
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