StringFilter.js
资源名称:ext-3.1.0.zip [点击查看]
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上传日期:2022-08-06
资源大小:9345k
文件大小:4k
源码类别:
JavaScript
开发平台:
JavaScript
- /*! * Ext JS Library 3.1.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.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);
- }
- });