/**
- * @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
- * @return {CompositeElement/CompositeElementLite} The composite element
- */
- select : function(selector){
- return Ext.Element.select(selector, 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){
- 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;
- }
- }
-}());
-
+
+
+
+ The source code
+
+
+
+
+
/*!
+ * Ext JS Library 3.2.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * 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
+ * @return {CompositeElement/CompositeElementLite} The composite element
+ */
+ select : function(selector){
+ return Ext.Element.select(selector, 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){
+ 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;
+ }
+ }
+}());