X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/grid/CheckboxSelectionModel.js?ds=inline

diff --git a/src/widgets/grid/CheckboxSelectionModel.js b/src/widgets/grid/CheckboxSelectionModel.js
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+/*!
+ * Ext JS Library 3.0.0
+ * 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>
+     * '&lt;div class="x-grid3-hd-checker">&#38;#160;&lt;/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">&#160;</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">&#160;</div>';
+    }
+});
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