--- /dev/null
+/*!
+ * Ext JS Library 3.1.0
+ * Copyright(c) 2006-2009 Ext JS, LLC
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+Ext.ns('Ext.ux.tree');
+
+/**
+ * @class Ext.ux.tree.TreeGridSorter
+ * @extends Ext.tree.TreeSorter
+ */
+Ext.ux.tree.TreeGridSorter = Ext.extend(Ext.tree.TreeSorter, {
+ /**
+ * @cfg {Array} sortClasses The CSS classes applied to a header when it is sorted. (defaults to <tt>['sort-asc', 'sort-desc']</tt>)
+ */
+ sortClasses : ['sort-asc', 'sort-desc'],
+ /**
+ * @cfg {String} sortAscText The text displayed in the 'Sort Ascending' menu item (defaults to <tt>'Sort Ascending'</tt>)
+ */
+ sortAscText : 'Sort Ascending',
+ /**
+ * @cfg {String} sortDescText The text displayed in the 'Sort Descending' menu item (defaults to <tt>'Sort Descending'</tt>)
+ */
+ sortDescText : 'Sort Descending',
+
+ constructor : function(tree, config) {
+ if(!Ext.isObject(config)) {
+ config = {
+ property: tree.columns[0].dataIndex || 'text',
+ folderSort: true
+ }
+ }
+
+ Ext.ux.tree.TreeGridSorter.superclass.constructor.apply(this, arguments);
+
+ this.tree = tree;
+ tree.on('headerclick', this.onHeaderClick, this);
+ tree.ddAppendOnly = true;
+
+ me = this;
+ this.defaultSortFn = function(n1, n2){
+
+ var dsc = me.dir && me.dir.toLowerCase() == 'desc';
+ var p = me.property || 'text';
+ var sortType = me.sortType;
+ var fs = me.folderSort;
+ var cs = me.caseSensitive === true;
+ var leafAttr = me.leafAttr || 'leaf';
+
+ if(fs){
+ if(n1.attributes[leafAttr] && !n2.attributes[leafAttr]){
+ return 1;
+ }
+ if(!n1.attributes[leafAttr] && n2.attributes[leafAttr]){
+ return -1;
+ }
+ }
+ var v1 = sortType ? sortType(n1.attributes[p]) : (cs ? n1.attributes[p] : n1.attributes[p].toUpperCase());
+ var v2 = sortType ? sortType(n2.attributes[p]) : (cs ? n2.attributes[p] : n2.attributes[p].toUpperCase());
+ if(v1 < v2){
+ return dsc ? +1 : -1;
+ }else if(v1 > v2){
+ return dsc ? -1 : +1;
+ }else{
+ return 0;
+ }
+ };
+
+ tree.on('afterrender', this.onAfterTreeRender, this, {single: true});
+ tree.on('headermenuclick', this.onHeaderMenuClick, this);
+ },
+
+ onAfterTreeRender : function() {
+ var hmenu = this.tree.hmenu;
+ hmenu.insert(0,
+ {itemId:'asc', text: this.sortAscText, cls: 'xg-hmenu-sort-asc'},
+ {itemId:'desc', text: this.sortDescText, cls: 'xg-hmenu-sort-desc'}
+ );
+ this.updateSortIcon(0, 'asc');
+ },
+
+ onHeaderMenuClick : function(c, id, index) {
+ if(id === 'asc' || id === 'desc') {
+ this.onHeaderClick(c, null, index);
+ return false;
+ }
+ },
+
+ onHeaderClick : function(c, el, i) {
+ if(c && !this.tree.headersDisabled){
+ var me = this;
+
+ me.property = c.dataIndex;
+ me.dir = c.dir = (c.dir === 'desc' ? 'asc' : 'desc');
+ me.sortType = c.sortType;
+ me.caseSensitive === Ext.isBoolean(c.caseSensitive) ? c.caseSensitive : this.caseSensitive;
+ me.sortFn = c.sortFn || this.defaultSortFn;
+
+ this.tree.root.cascade(function(n) {
+ if(!n.isLeaf()) {
+ me.updateSort(me.tree, n);
+ }
+ });
+
+ this.updateSortIcon(i, c.dir);
+ }
+ },
+
+ // private
+ updateSortIcon : function(col, dir){
+ var sc = this.sortClasses;
+ var hds = this.tree.innerHd.select('td').removeClass(sc);
+ hds.item(col).addClass(sc[dir == 'desc' ? 1 : 0]);
+ }
+});
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