/** * @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 true if rows can only be selected by clicking on the * checkbox column (defaults to false). */
/** * @cfg {String} header Any valid text or HTML fragment to display in the header cell for the * checkbox column. Defaults to:

     * '<div class="x-grid3-hd-checker">&#160;</div>'
     * 
* The default CSS class of 'x-grid3-hd-checker' 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., * 'Select Rows'), but the automatic check all/none behavior will only work if the * 'x-grid3-hd-checker' class is supplied. */ header: '
 
',
/** * @cfg {Number} width The default width in pixels of the checkbox column (defaults to 20). */ width: 20,
/** * @cfg {Boolean} sortable true if the checkbox column is sortable (defaults to * false). */ 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 '
 
'; } });