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CheckboxSelectionModel.js
Package: ext-3.1.0.zip [view]
Upload User: dawnssy
Upload Date: 2022-08-06
Package Size: 9345k
Code Size: 3k
Category:
JavaScript
Development Platform:
JavaScript
- /*! * Ext JS Library 3.1.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @class Ext.grid.CheckboxSelectionModel
- * @extends Ext.grid.RowSelectionModel
- * A custom selection model that renders a column of checkboxes that can be toggled to select or deselect rows.
- * @constructor
- * @param {Object} config The configuration options
- */
- Ext.grid.CheckboxSelectionModel = Ext.extend(Ext.grid.RowSelectionModel, {
- /**
- * @cfg {Boolean} checkOnly <tt>true</tt> if rows can only be selected by clicking on the
- * checkbox column (defaults to <tt>false</tt>).
- */
- /**
- * @cfg {String} header Any valid text or HTML fragment to display in the header cell for the
- * checkbox column. Defaults to:<pre><code>
- * '<div class="x-grid3-hd-checker">&#160;</div>'</tt>
- * </code></pre>
- * The default CSS class of <tt>'x-grid3-hd-checker'</tt> displays a checkbox in the header
- * and provides support for automatic check all/none behavior on header click. This string
- * can be replaced by any valid HTML fragment, including a simple text string (e.g.,
- * <tt>'Select Rows'</tt>), but the automatic check all/none behavior will only work if the
- * <tt>'x-grid3-hd-checker'</tt> class is supplied.
- */
- header : '<div class="x-grid3-hd-checker"> </div>',
- /**
- * @cfg {Number} width The default width in pixels of the checkbox column (defaults to <tt>20</tt>).
- */
- width : 20,
- /**
- * @cfg {Boolean} sortable <tt>true</tt> if the checkbox column is sortable (defaults to
- * <tt>false</tt>).
- */
- sortable : false,
- // private
- menuDisabled : true,
- fixed : true,
- dataIndex : '',
- id : 'checker',
- constructor : function(){
- Ext.grid.CheckboxSelectionModel.superclass.constructor.apply(this, arguments);
- if(this.checkOnly){
- this.handleMouseDown = Ext.emptyFn;
- }
- },
- // private
- initEvents : function(){
- Ext.grid.CheckboxSelectionModel.superclass.initEvents.call(this);
- this.grid.on('render', function(){
- var view = this.grid.getView();
- view.mainBody.on('mousedown', this.onMouseDown, this);
- Ext.fly(view.innerHd).on('mousedown', this.onHdMouseDown, this);
- }, this);
- },
- // private
- onMouseDown : function(e, t){
- if(e.button === 0 && t.className == 'x-grid3-row-checker'){ // Only fire if left-click
- e.stopEvent();
- var row = e.getTarget('.x-grid3-row');
- if(row){
- var index = row.rowIndex;
- if(this.isSelected(index)){
- this.deselectRow(index);
- }else{
- this.selectRow(index, true);
- }
- }
- }
- },
- // private
- onHdMouseDown : function(e, t){
- if(t.className == 'x-grid3-hd-checker'){
- e.stopEvent();
- var hd = Ext.fly(t.parentNode);
- var isChecked = hd.hasClass('x-grid3-hd-checker-on');
- if(isChecked){
- hd.removeClass('x-grid3-hd-checker-on');
- this.clearSelections();
- }else{
- hd.addClass('x-grid3-hd-checker-on');
- this.selectAll();
- }
- }
- },
- // private
- renderer : function(v, p, record){
- return '<div class="x-grid3-row-checker"> </div>';
- }
- });