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<pre class="prettyprint lang-js">// @tag dom,core
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<span id='Ext-dom-AbstractElement_traversal'>/**
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</span> */
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Ext.define('Ext.dom.AbstractElement_traversal', {
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override: 'Ext.dom.AbstractElement',
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<span id='Ext-dom-AbstractElement-method-findParent'> /**
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</span> * 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)
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* @param {String} selector The simple selector to test
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* @param {Number/String/HTMLElement/Ext.Element} [limit]
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* The max depth to search as a number or an element which causes the upward traversal to stop
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* and is <b>not</b> considered for inclusion as the result. (defaults to 50 || document.documentElement)
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* @param {Boolean} [returnEl=false] True to return a Ext.Element object instead of DOM node
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* @return {HTMLElement} The matching DOM node (or null if no match was found)
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*/
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findParent: function(simpleSelector, limit, returnEl) {
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var target = this.dom,
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topmost = document.documentElement,
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depth = 0,
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stopEl;
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limit = limit || 50;
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if (isNaN(limit)) {
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stopEl = Ext.getDom(limit);
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limit = Number.MAX_VALUE;
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}
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while (target && target.nodeType == 1 && depth < limit && target != topmost && target != stopEl) {
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if (Ext.DomQuery.is(target, simpleSelector)) {
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return returnEl ? Ext.get(target) : target;
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}
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depth++;
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target = target.parentNode;
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}
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return null;
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},
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<span id='Ext-dom-AbstractElement-method-findParentNode'> /**
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</span> * Looks at parent nodes for a match of the passed simple selector (e.g. div.some-class or span:first-child)
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* @param {String} selector The simple selector to test
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* @param {Number/String/HTMLElement/Ext.Element} [limit]
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* The max depth to search as a number or an element which causes the upward traversal to stop
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* and is <b>not</b> considered for inclusion as the result. (defaults to 50 || document.documentElement)
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* @param {Boolean} [returnEl=false] True to return a Ext.Element object instead of DOM node
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* @return {HTMLElement} The matching DOM node (or null if no match was found)
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*/
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findParentNode: function(simpleSelector, limit, returnEl) {
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var p = Ext.fly(this.dom.parentNode, '_internal');
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return p ? p.findParent(simpleSelector, limit, returnEl) : null;
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},
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<span id='Ext-dom-AbstractElement-method-up'> /**
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</span> * Walks up the DOM looking for a parent node that matches the passed simple selector (e.g. div.some-class or span:first-child).
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* This is a shortcut for findParentNode() that always returns an Ext.dom.Element.
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* @param {String} selector The simple selector to test
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* @param {Number/String/HTMLElement/Ext.Element} [limit]
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* The max depth to search as a number or an element which causes the upward traversal to stop
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* and is <b>not</b> considered for inclusion as the result. (defaults to 50 || document.documentElement)
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* @param {Boolean} [returnDom=false] True to return the DOM node instead of Ext.dom.Element
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* @return {Ext.Element} The matching DOM node (or null if no match was found)
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*/
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up: function(simpleSelector, limit, returnDom) {
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return this.findParentNode(simpleSelector, limit, !returnDom);
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},
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<span id='Ext-dom-AbstractElement-method-select'> /**
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</span> * Creates a {@link Ext.CompositeElement} for child nodes based on the passed CSS selector (the selector should not contain an id).
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* @param {String} selector The CSS selector
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* @param {Boolean} [unique] True to create a unique Ext.Element for each element. Defaults to a shared flyweight object.
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* @return {Ext.CompositeElement} The composite element
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*/
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select: function(selector, composite) {
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return Ext.dom.Element.select(selector, this.dom, composite);
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},
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<span id='Ext-dom-AbstractElement-method-query'> /**
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</span> * Selects child nodes based on the passed CSS selector (the selector should not contain an id).
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* @param {String} selector The CSS selector
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* @return {HTMLElement[]} An array of the matched nodes
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*/
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query: function(selector) {
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return Ext.DomQuery.select(selector, this.dom);
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},
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<span id='Ext-dom-AbstractElement-method-down'> /**
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</span> * Selects a single child at any depth below this element based on the passed CSS selector (the selector should not contain an id).
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* @param {String} selector The CSS selector
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* @param {Boolean} [returnDom=false] True to return the DOM node instead of Ext.dom.Element
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* @return {HTMLElement/Ext.dom.Element} The child Ext.dom.Element (or DOM node if returnDom = true)
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*/
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down: function(selector, returnDom) {
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var n = Ext.DomQuery.selectNode(selector, this.dom);
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return returnDom ? n : Ext.get(n);
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},
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<span id='Ext-dom-AbstractElement-method-child'> /**
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</span> * Selects a single *direct* child based on the passed CSS selector (the selector should not contain an id).
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* @param {String} selector The CSS selector
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* @param {Boolean} [returnDom=false] True to return the DOM node instead of Ext.dom.Element.
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* @return {HTMLElement/Ext.dom.Element} The child Ext.dom.Element (or DOM node if returnDom = true)
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*/
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child: function(selector, returnDom) {
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var node,
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me = this,
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id;
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// Pull the ID from the DOM (Ext.id also ensures that there *is* an ID).
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// If this object is a Flyweight, it will not have an ID
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id = Ext.id(me.dom);
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// Escape "invalid" chars
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id = Ext.escapeId(id);
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node = Ext.DomQuery.selectNode('#' + id + " > " + selector, me.dom);
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return returnDom ? node : Ext.get(node);
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},
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<span id='Ext-dom-AbstractElement-method-parent'> /**
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</span> * Gets the parent node for this element, optionally chaining up trying to match a selector
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* @param {String} [selector] Find a parent node that matches the passed simple selector
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* @param {Boolean} [returnDom=false] True to return a raw dom node instead of an Ext.dom.Element
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* @return {Ext.dom.Element/HTMLElement} The parent node or null
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*/
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parent: function(selector, returnDom) {
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return this.matchNode('parentNode', 'parentNode', selector, returnDom);
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},
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<span id='Ext-dom-AbstractElement-method-next'> /**
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</span> * Gets the next sibling, skipping text nodes
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* @param {String} [selector] Find the next sibling that matches the passed simple selector
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* @param {Boolean} [returnDom=false] True to return a raw dom node instead of an Ext.dom.Element
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* @return {Ext.dom.Element/HTMLElement} The next sibling or null
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*/
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next: function(selector, returnDom) {
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return this.matchNode('nextSibling', 'nextSibling', selector, returnDom);
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},
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<span id='Ext-dom-AbstractElement-method-prev'> /**
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</span> * Gets the previous sibling, skipping text nodes
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* @param {String} [selector] Find the previous sibling that matches the passed simple selector
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* @param {Boolean} [returnDom=false] True to return a raw dom node instead of an Ext.dom.Element
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* @return {Ext.dom.Element/HTMLElement} The previous sibling or null
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*/
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prev: function(selector, returnDom) {
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return this.matchNode('previousSibling', 'previousSibling', selector, returnDom);
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},
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<span id='Ext-dom-AbstractElement-method-first'> /**
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</span> * Gets the first child, skipping text nodes
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* @param {String} [selector] Find the next sibling that matches the passed simple selector
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* @param {Boolean} [returnDom=false] True to return a raw dom node instead of an Ext.dom.Element
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* @return {Ext.dom.Element/HTMLElement} The first child or null
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*/
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first: function(selector, returnDom) {
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return this.matchNode('nextSibling', 'firstChild', selector, returnDom);
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},
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<span id='Ext-dom-AbstractElement-method-last'> /**
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</span> * Gets the last child, skipping text nodes
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* @param {String} [selector] Find the previous sibling that matches the passed simple selector
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* @param {Boolean} [returnDom=false] True to return a raw dom node instead of an Ext.dom.Element
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* @return {Ext.dom.Element/HTMLElement} The last child or null
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*/
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last: function(selector, returnDom) {
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return this.matchNode('previousSibling', 'lastChild', selector, returnDom);
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},
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<span id='Ext-dom-AbstractElement-method-matchNode'> matchNode: function(dir, start, selector, returnDom) {
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</span> if (!this.dom) {
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return null;
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}
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var n = this.dom[start];
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while (n) {
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if (n.nodeType == 1 && (!selector || Ext.DomQuery.is(n, selector))) {
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return !returnDom ? Ext.get(n) : n;
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}
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n = n[dir];
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}
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return null;
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},
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<span id='Ext-dom-AbstractElement-method-isAncestor'> isAncestor: function(element) {
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</span> return this.self.isAncestor.call(this.self, this.dom, element);
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}
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});
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</pre>
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