NumericFilter.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:6k
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.NumericFilter
- * @extends Ext.ux.grid.filter.Filter
- * Filters using an Ext.ux.menu.RangeMenu.
- * <p><b><u>Example Usage:</u></b></p>
- * <pre><code>
- var filters = new Ext.ux.grid.GridFilters({
- ...
- filters: [{
- type: 'numeric',
- dataIndex: 'price'
- }]
- });
- * </code></pre>
- */
- Ext.ux.grid.filter.NumericFilter = Ext.extend(Ext.ux.grid.filter.Filter, {
- /**
- * @cfg {Object} fieldCls
- * The Class to use to construct each field item within this menu
- * Defaults to:<pre>
- * fieldCls : Ext.form.NumberField
- * </pre>
- */
- fieldCls : Ext.form.NumberField,
- /**
- * @cfg {Object} fieldCfg
- * The default configuration options for any field item unless superseded
- * by the <code>{@link #fields}</code> configuration.
- * Defaults to:<pre>
- * fieldCfg : {}
- * </pre>
- * Example usage:
- * <pre><code>
- fieldCfg : {
- width: 150,
- },
- * </code></pre>
- */
- /**
- * @cfg {Object} fields
- * The field items may be configured individually
- * Defaults to <tt>undefined</tt>.
- * Example usage:
- * <pre><code>
- fields : {
- gt: { // override fieldCfg options
- width: 200,
- fieldCls: Ext.ux.form.CustomNumberField // to override default {@link #fieldCls}
- }
- },
- * </code></pre>
- */
- /**
- * @cfg {Object} iconCls
- * The iconCls to be applied to each comparator field item.
- * Defaults to:<pre>
- iconCls : {
- gt : 'ux-rangemenu-gt',
- lt : 'ux-rangemenu-lt',
- eq : 'ux-rangemenu-eq'
- }
- * </pre>
- */
- iconCls : {
- gt : 'ux-rangemenu-gt',
- lt : 'ux-rangemenu-lt',
- eq : 'ux-rangemenu-eq'
- },
- /**
- * @cfg {Object} menuItemCfgs
- * Default configuration options for each menu item
- * Defaults to:<pre>
- menuItemCfgs : {
- emptyText: 'Enter Filter Text...',
- selectOnFocus: true,
- width: 125
- }
- * </pre>
- */
- menuItemCfgs : {
- emptyText: 'Enter Filter Text...',
- selectOnFocus: true,
- width: 125
- },
- /**
- * @cfg {Array} menuItems
- * The items to be shown in this menu. Items are added to the menu
- * according to their position within this array. Defaults to:<pre>
- * menuItems : ['lt','gt','-','eq']
- * </pre>
- */
- menuItems : ['lt', 'gt', '-', 'eq'],
- /**
- * @private
- * Template method that is to initialize the filter and install required menu items.
- */
- init : function (config) {
- // if a menu already existed, do clean up first
- if (this.menu){
- this.menu.destroy();
- }
- this.menu = new Ext.ux.menu.RangeMenu(Ext.apply(config, {
- // pass along filter configs to the menu
- fieldCfg : this.fieldCfg || {},
- fieldCls : this.fieldCls,
- fields : this.fields || {},
- iconCls: this.iconCls,
- menuItemCfgs: this.menuItemCfgs,
- menuItems: this.menuItems,
- updateBuffer: this.updateBuffer
- }));
- // relay the event fired by the menu
- this.menu.on('update', 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.menu.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.menu.setValue(value);
- },
- /**
- * @private
- * Template method that is to return <tt>true</tt> if the filter
- * has enough configuration information to be activated.
- * @return {Boolean}
- */
- isActivatable : function () {
- var values = this.getValue();
- for (key in values) {
- if (values[key] !== undefined) {
- return true;
- }
- }
- return false;
- },
- /**
- * @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 () {
- var key,
- args = [],
- values = this.menu.getValue();
- for (key in values) {
- args.push({
- type: 'numeric',
- comparison: key,
- value: values[key]
- });
- }
- return args;
- },
- /**
- * 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),
- values = this.getValue();
- if (values.eq !== undefined && val != values.eq) {
- return false;
- }
- if (values.lt !== undefined && val >= values.lt) {
- return false;
- }
- if (values.gt !== undefined && val <= values.gt) {
- return false;
- }
- return true;
- }
- });