X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/core/core/Element.traversal.js?ds=sidebyside

diff --git a/src/core/core/Element.traversal.js b/src/core/core/Element.traversal.js
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+++ b/src/core/core/Element.traversal.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.Element
+ */
+Ext.Element.addMethods(function(){
+	var PARENTNODE = 'parentNode',
+		NEXTSIBLING = 'nextSibling',
+		PREVIOUSSIBLING = 'previousSibling',
+		DQ = Ext.DomQuery,
+		GET = Ext.get;
+	
+	return {
+		/**
+	     * Looks at this node and then at parent nodes for a match of the passed simple selector (e.g. div.some-class or span:first-child)
+	     * @param {String} selector The simple selector to test
+	     * @param {Number/Mixed} maxDepth (optional) The max depth to search as a number or element (defaults to 50 || document.body)
+	     * @param {Boolean} returnEl (optional) True to return a Ext.Element object instead of DOM node
+	     * @return {HTMLElement} The matching DOM node (or null if no match was found)
+	     */
+	    findParent : function(simpleSelector, maxDepth, returnEl){
+	        var p = this.dom,
+	        	b = document.body, 
+	        	depth = 0, 	        	
+	        	stopEl;	        
+            if(Ext.isGecko && Object.prototype.toString.call(p) == '[object XULElement]') {
+                return null;
+            }
+	        maxDepth = maxDepth || 50;
+	        if (isNaN(maxDepth)) {
+	            stopEl = Ext.getDom(maxDepth);
+	            maxDepth = Number.MAX_VALUE;
+	        }
+	        while(p && p.nodeType == 1 && depth < maxDepth && p != b && p != stopEl){
+	            if(DQ.is(p, simpleSelector)){
+	                return returnEl ? GET(p) : p;
+	            }
+	            depth++;
+	            p = p.parentNode;
+	        }
+	        return null;
+	    },
+	
+	    /**
+	     * Looks at parent nodes for a match of the passed simple selector (e.g. div.some-class or span:first-child)
+	     * @param {String} selector The simple selector to test
+	     * @param {Number/Mixed} maxDepth (optional) The max depth to
+	            search as a number or element (defaults to 10 || document.body)
+	     * @param {Boolean} returnEl (optional) True to return a Ext.Element object instead of DOM node
+	     * @return {HTMLElement} The matching DOM node (or null if no match was found)
+	     */
+	    findParentNode : function(simpleSelector, maxDepth, returnEl){
+	        var p = Ext.fly(this.dom.parentNode, '_internal');
+	        return p ? p.findParent(simpleSelector, maxDepth, returnEl) : null;
+	    },
+	
+	    /**
+	     * Walks up the dom looking for a parent node that matches the passed simple selector (e.g. div.some-class or span:first-child).
+	     * This is a shortcut for findParentNode() that always returns an Ext.Element.
+	     * @param {String} selector The simple selector to test
+	     * @param {Number/Mixed} maxDepth (optional) The max depth to
+	            search as a number or element (defaults to 10 || document.body)
+	     * @return {Ext.Element} The matching DOM node (or null if no match was found)
+	     */
+	    up : function(simpleSelector, maxDepth){
+	        return this.findParentNode(simpleSelector, maxDepth, true);
+	    },
+	
+	    /**
+	     * Creates a {@link Ext.CompositeElement} for child nodes based on the passed CSS selector (the selector should not contain an id).
+	     * @param {String} selector The CSS selector
+	     * @param {Boolean} unique (optional) True to create a unique Ext.Element for each child (defaults to false, which creates a single shared flyweight object)
+	     * @return {CompositeElement/CompositeElementLite} The composite element
+	     */
+	    select : function(selector, unique){
+	        return Ext.Element.select(selector, unique, this.dom);
+	    },
+	
+	    /**
+	     * Selects child nodes based on the passed CSS selector (the selector should not contain an id).
+	     * @param {String} selector The CSS selector
+	     * @return {Array} An array of the matched nodes
+	     */
+	    query : function(selector, unique){
+	        return DQ.select(selector, this.dom);
+	    },
+	
+	    /**
+	     * Selects a single child at any depth below this element based on the passed CSS selector (the selector should not contain an id).
+	     * @param {String} selector The CSS selector
+	     * @param {Boolean} returnDom (optional) True to return the DOM node instead of Ext.Element (defaults to false)
+	     * @return {HTMLElement/Ext.Element} The child Ext.Element (or DOM node if returnDom = true)
+	     */
+	    child : function(selector, returnDom){
+	        var n = DQ.selectNode(selector, this.dom);
+	        return returnDom ? n : GET(n);
+	    },
+	
+	    /**
+	     * Selects a single *direct* child based on the passed CSS selector (the selector should not contain an id).
+	     * @param {String} selector The CSS selector
+	     * @param {Boolean} returnDom (optional) True to return the DOM node instead of Ext.Element (defaults to false)
+	     * @return {HTMLElement/Ext.Element} The child Ext.Element (or DOM node if returnDom = true)
+	     */
+	    down : function(selector, returnDom){
+	        var n = DQ.selectNode(" > " + selector, this.dom);
+	        return returnDom ? n : GET(n);
+	    },
+	
+		 /**
+	     * Gets the parent node for this element, optionally chaining up trying to match a selector
+	     * @param {String} selector (optional) Find a parent node that matches the passed simple selector
+	     * @param {Boolean} returnDom (optional) True to return a raw dom node instead of an Ext.Element
+	     * @return {Ext.Element/HTMLElement} The parent node or null
+		 */
+	    parent : function(selector, returnDom){
+	        return this.matchNode(PARENTNODE, PARENTNODE, selector, returnDom);
+	    },
+	
+	     /**
+	     * Gets the next sibling, skipping text nodes
+	     * @param {String} selector (optional) Find the next sibling that matches the passed simple selector
+	     * @param {Boolean} returnDom (optional) True to return a raw dom node instead of an Ext.Element
+	     * @return {Ext.Element/HTMLElement} The next sibling or null
+		 */
+	    next : function(selector, returnDom){
+	        return this.matchNode(NEXTSIBLING, NEXTSIBLING, selector, returnDom);
+	    },
+	
+	    /**
+	     * Gets the previous sibling, skipping text nodes
+	     * @param {String} selector (optional) Find the previous sibling that matches the passed simple selector
+	     * @param {Boolean} returnDom (optional) True to return a raw dom node instead of an Ext.Element
+	     * @return {Ext.Element/HTMLElement} The previous sibling or null
+		 */
+	    prev : function(selector, returnDom){
+	        return this.matchNode(PREVIOUSSIBLING, PREVIOUSSIBLING, selector, returnDom);
+	    },
+	
+	
+	    /**
+	     * Gets the first child, skipping text nodes
+	     * @param {String} selector (optional) Find the next sibling that matches the passed simple selector
+	     * @param {Boolean} returnDom (optional) True to return a raw dom node instead of an Ext.Element
+	     * @return {Ext.Element/HTMLElement} The first child or null
+		 */
+	    first : function(selector, returnDom){
+	        return this.matchNode(NEXTSIBLING, 'firstChild', selector, returnDom);
+	    },
+	
+	    /**
+	     * Gets the last child, skipping text nodes
+	     * @param {String} selector (optional) Find the previous sibling that matches the passed simple selector
+	     * @param {Boolean} returnDom (optional) True to return a raw dom node instead of an Ext.Element
+	     * @return {Ext.Element/HTMLElement} The last child or null
+		 */
+	    last : function(selector, returnDom){
+	        return this.matchNode(PREVIOUSSIBLING, 'lastChild', selector, returnDom);
+	    },
+	    
+	    matchNode : function(dir, start, selector, returnDom){
+	        var n = this.dom[start];
+	        while(n){
+	            if(n.nodeType == 1 && (!selector || DQ.is(n, selector))){
+	                return !returnDom ? GET(n) : n;
+	            }
+	            n = n[dir];
+	        }
+	        return null;
+	    }	
+    }
+}());
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