+<!DOCTYPE html>
<html>
<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
+ <link href="../prettify/prettify.css" type="text/css" rel="stylesheet" />
+ <script type="text/javascript" src="../prettify/prettify.js"></script>
+ <style type="text/css">
+ .highlight { display: block; background-color: #ddd; }
+ </style>
+ <script type="text/javascript">
+ function highlight() {
+ document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
+ }
+ </script>
</head>
-<body onload="prettyPrint();">
- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.0.3
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
+<body onload="prettyPrint(); highlight();">
+ <pre class="prettyprint lang-js"><span id='Ext-util-Sorter'>/**
+</span> * @class Ext.util.Sorter
+ * @extends Object
+ * Represents a single sorter that can be applied to a Store
*/
-<div id="cls-Ext.ListView.Sorter"></div>/**\r
- * @class Ext.ListView.Sorter\r
- * @extends Ext.util.Observable\r
- * <p>Supporting Class for Ext.ListView.</p>\r
- * @constructor\r
- * @param {Object} config\r
- */\r
-Ext.ListView.Sorter = Ext.extend(Ext.util.Observable, {\r
- <div id="cfg-Ext.ListView.Sorter-sortClasses"></div>/**\r
- * @cfg {Array} sortClasses\r
- * The CSS classes applied to a header when it is sorted. (defaults to <tt>["sort-asc", "sort-desc"]</tt>)\r
- */\r
- sortClasses : ["sort-asc", "sort-desc"],\r
-\r
- constructor: function(config){\r
- Ext.apply(this, config);\r
- Ext.ListView.Sorter.superclass.constructor.call(this);\r
- },\r
-\r
- init : function(listView){\r
- this.view = listView;\r
- listView.on('render', this.initEvents, this);\r
- },\r
-\r
- initEvents : function(view){\r
- view.mon(view.innerHd, 'click', this.onHdClick, this);\r
- view.innerHd.setStyle('cursor', 'pointer');\r
- view.mon(view.store, 'datachanged', this.updateSortState, this);\r
- this.updateSortState.defer(10, this, [view.store]);\r
- },\r
-\r
- updateSortState : function(store){\r
- var state = store.getSortState();\r
- if(!state){\r
- return;\r
- }\r
- this.sortState = state;\r
- var cs = this.view.columns, sortColumn = -1;\r
- for(var i = 0, len = cs.length; i < len; i++){\r
- if(cs[i].dataIndex == state.field){\r
- sortColumn = i;\r
- break;\r
- }\r
- }\r
- if(sortColumn != -1){\r
- var sortDir = state.direction;\r
- this.updateSortIcon(sortColumn, sortDir);\r
- }\r
- },\r
-\r
- updateSortIcon : function(col, dir){\r
- var sc = this.sortClasses;\r
- var hds = this.view.innerHd.select('em').removeClass(sc);\r
- hds.item(col).addClass(sc[dir == "DESC" ? 1 : 0]);\r
- },\r
-\r
- onHdClick : function(e){\r
- var hd = e.getTarget('em', 3);\r
- if(hd && !this.view.disableHeaders){\r
- var index = this.view.findHeaderIndex(hd);\r
- this.view.store.sort(this.view.columns[index].dataIndex);\r
- }\r
- }\r
+Ext.define('Ext.util.Sorter', {
+
+<span id='Ext-util-Sorter-cfg-property'> /**
+</span> * @cfg {String} property The property to sort by. Required unless {@link #sorter} is provided
+ */
+
+<span id='Ext-util-Sorter-cfg-sorterFn'> /**
+</span> * @cfg {Function} sorterFn A specific sorter function to execute. Can be passed instead of {@link #property}
+ */
+
+<span id='Ext-util-Sorter-cfg-root'> /**
+</span> * @cfg {String} root Optional root property. This is mostly useful when sorting a Store, in which case we set the
+ * root to 'data' to make the filter pull the {@link #property} out of the data object of each item
+ */
+
+<span id='Ext-util-Sorter-cfg-transform'> /**
+</span> * @cfg {Function} transform A function that will be run on each value before
+ * it is compared in the sorter. The function will receive a single argument,
+ * the value.
+ */
+
+<span id='Ext-util-Sorter-cfg-direction'> /**
+</span> * @cfg {String} direction The direction to sort by. Defaults to ASC
+ */
+ direction: "ASC",
+
+ constructor: function(config) {
+ var me = this;
+
+ Ext.apply(me, config);
+
+ //<debug>
+ if (me.property == undefined && me.sorterFn == undefined) {
+ Ext.Error.raise("A Sorter requires either a property or a sorter function");
+ }
+ //</debug>
+
+ me.updateSortFunction();
+ },
+
+<span id='Ext-util-Sorter-method-createSortFunction'> /**
+</span> * @private
+ * Creates and returns a function which sorts an array by the given property and direction
+ * @return {Function} A function which sorts by the property/direction combination provided
+ */
+ createSortFunction: function(sorterFn) {
+ var me = this,
+ property = me.property,
+ direction = me.direction || "ASC",
+ modifier = direction.toUpperCase() == "DESC" ? -1 : 1;
+
+ //create a comparison function. Takes 2 objects, returns 1 if object 1 is greater,
+ //-1 if object 2 is greater or 0 if they are equal
+ return function(o1, o2) {
+ return modifier * sorterFn.call(me, o1, o2);
+ };
+ },
+
+<span id='Ext-util-Sorter-method-defaultSorterFn'> /**
+</span> * @private
+ * Basic default sorter function that just compares the defined property of each object
+ */
+ defaultSorterFn: function(o1, o2) {
+ var me = this,
+ transform = me.transform,
+ v1 = me.getRoot(o1)[me.property],
+ v2 = me.getRoot(o2)[me.property];
+
+ if (transform) {
+ v1 = transform(v1);
+ v2 = transform(v2);
+ }
+
+ return v1 > v2 ? 1 : (v1 < v2 ? -1 : 0);
+ },
+
+<span id='Ext-util-Sorter-method-getRoot'> /**
+</span> * @private
+ * Returns the root property of the given item, based on the configured {@link #root} property
+ * @param {Object} item The item
+ * @return {Object} The root property of the object
+ */
+ getRoot: function(item) {
+ return this.root == undefined ? item : item[this.root];
+ },
+
+ // @TODO: Add docs for these three methods
+ setDirection: function(direction) {
+ var me = this;
+ me.direction = direction;
+ me.updateSortFunction();
+ },
+
+ toggle: function() {
+ var me = this;
+ me.direction = Ext.String.toggle(me.direction, "ASC", "DESC");
+ me.updateSortFunction();
+ },
+
+ updateSortFunction: function() {
+ var me = this;
+ me.sort = me.createSortFunction(me.sorterFn || me.defaultSorterFn);
+ }
});</pre>
</body>
-</html>
\ No newline at end of file
+</html>
git.ithinksw.org / extjs.git / blobdiff