/home/alan/gitlive/roojs1/Roo/tree/TreeSorter.js

X-Git-Url: http://git.roojs.org/?a=blobdiff_plain;f=docs%2Fsrc%2FRoo_tree_TreeSorter.js.html;fp=docs%2Fsrc%2FRoo_tree_TreeSorter.js.html;h=fb1e45821a995b12e17c5a4a3fc7a5c82a8e104b;hb=9ff8ded6bbbd258ecd646184ba26020874e2c085;hp=0000000000000000000000000000000000000000;hpb=2542b67d1a0768025056f2f330bfe50b64d1ad38;p=roojs1 diff --git a/docs/src/Roo_tree_TreeSorter.js.html b/docs/src/Roo_tree_TreeSorter.js.html new file mode 100644 index 0000000000..fb1e45821a --- /dev/null +++ b/docs/src/Roo_tree_TreeSorter.js.html @@ -0,0 +1,75 @@ +/home/alan/gitlive/roojs1/Roo/tree/TreeSorter.js

/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+
+
+/**
+ * @class Roo.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
+ */
+Roo.tree.TreeSorter = function(tree, config){
+    Roo.apply(this, config);
+    tree.on("beforechildrenrendered", this.doSort, this);
+    tree.on("append", this.updateSort, this);
+    tree.on("insert", this.updateSort, 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;
+        }
+    };
+};
+
+Roo.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]);
+        }
+    }
+};

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