| New file |
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| 0,0 → 1,79 |
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| /* |
| * Ext JS Library 2.0.2 |
| * Copyright(c) 2006-2008, Ext JS, LLC. |
| * licensing@extjs.com |
| * |
| * http://extjs.com/license |
| */ |
| |
| /** |
| * @class Ext.tree.TreeSorter |
| * Provides sorting of nodes in a TreePanel |
| * |
| * @cfg {Boolean} folderSort True to sort leaf nodes under non leaf nodes |
| * @cfg {String} property The named attribute on the node to sort by (defaults to text) |
| * @cfg {String} dir The direction to sort (asc or desc) (defaults to asc) |
| * @cfg {String} leafAttr The attribute used to determine leaf nodes in folder sort (defaults to "leaf") |
| * @cfg {Boolean} caseSensitive true for case sensitive sort (defaults to false) |
| * @cfg {Function} sortType A custom "casting" function used to convert node values before sorting |
| * @constructor |
| * @param {TreePanel} tree |
| * @param {Object} config |
| */ |
| Ext.tree.TreeSorter = function(tree, config){ |
| Ext.apply(this, config); |
| tree.on("beforechildrenrendered", this.doSort, this); |
| tree.on("append", this.updateSort, this); |
| tree.on("insert", this.updateSort, this); |
| tree.on("textchange", this.updateSortParent, this); |
| |
| var dsc = this.dir && this.dir.toLowerCase() == "desc"; |
| var p = this.property || "text"; |
| var sortType = this.sortType; |
| var fs = this.folderSort; |
| var cs = this.caseSensitive === true; |
| var leafAttr = this.leafAttr || 'leaf'; |
| |
| this.sortFn = function(n1, n2){ |
| 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) : (cs ? n1.attributes[p] : n1.attributes[p].toUpperCase()); |
| var v2 = sortType ? sortType(n2) : (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; |
| } |
| }; |
| }; |
| |
| Ext.tree.TreeSorter.prototype = { |
| doSort : function(node){ |
| node.sort(this.sortFn); |
| }, |
| |
| compareNodes : function(n1, n2){ |
| return (n1.text.toUpperCase() > n2.text.toUpperCase() ? 1 : -1); |
| }, |
| |
| updateSort : function(tree, node){ |
| if(node.childrenRendered){ |
| this.doSort.defer(1, this, [node]); |
| } |
| }, |
| |
| updateSortParent : function(node){ |
| var p = node.parentNode; |
| if(p && p.childrenRendered){ |
| this.doSort.defer(1, this, [p]); |
| } |
| } |
| }; |