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