/**
+ * @class Ext.DomHelper
+ */
+Ext.apply(Ext.DomHelper,
+function(){
+ var pub,
+ afterbegin = 'afterbegin',
+ afterend = 'afterend',
+ beforebegin = 'beforebegin',
+ beforeend = 'beforeend';
+
+ // private
+ function doInsert(el, o, returnElement, pos, sibling, append){
+ el = Ext.getDom(el);
+ var newNode;
+ if (pub.useDom) {
+ newNode = createDom(o, null);
+ if (append) {
+ el.appendChild(newNode);
+ } else {
+ (sibling == 'firstChild' ? el : el.parentNode).insertBefore(newNode, el[sibling] || el);
+ }
+ } else {
+ newNode = Ext.DomHelper.insertHtml(pos, el, Ext.DomHelper.createHtml(o));
+ }
+ return returnElement ? Ext.get(newNode, true) : newNode;
+ }
+
+ // build as dom
+ /** @ignore */
+ function createDom(o, parentNode){
+ var el,
+ doc = document,
+ useSet,
+ attr,
+ val,
+ cn;
+
+ if (Ext.isArray(o)) { // Allow Arrays of siblings to be inserted
+ el = doc.createDocumentFragment(); // in one shot using a DocumentFragment
+ Ext.each(o, function(v) {
+ createDom(v, el);
+ });
+ } else if (Ext.isString(o)) { // Allow a string as a child spec.
+ el = doc.createTextNode(o);
+ } else {
+ el = doc.createElement( o.tag || 'div' );
+ useSet = !!el.setAttribute; // In IE some elements don't have setAttribute
+ Ext.iterate(o, function(attr, val){
+ if(!/tag|children|cn|html|style/.test(attr)){
+ if(attr == 'cls'){
+ el.className = val;
+ }else{
+ if(useSet){
+ el.setAttribute(attr, val);
+ }else{
+ el[attr] = val;
+ }
+ }
+ }
+ });
+ pub.applyStyles(el, o.style);
+
+ if ((cn = o.children || o.cn)) {
+ createDom(cn, el);
+ } else if (o.html) {
+ el.innerHTML = o.html;
+ }
+ }
+ if(parentNode){
+ parentNode.appendChild(el);
+ }
+ return el;
+ }
+
+ pub = {
+ /**
+ * Creates a new Ext.Template from the DOM object spec.
+ * @param {Object} o The DOM object spec (and children)
+ * @return {Ext.Template} The new template
+ */
+ createTemplate : function(o){
+ var html = Ext.DomHelper.createHtml(o);
+ return new Ext.Template(html);
+ },
+
+ /** True to force the use of DOM instead of html fragments @type Boolean */
+ useDom : false,
+
+ /**
+ * Applies a style specification to an element.
+ * @param {String/HTMLElement} el The element to apply styles to
+ * @param {String/Object/Function} styles A style specification string e.g. 'width:100px', or object in the form {width:'100px'}, or
+ * a function which returns such a specification.
+ */
+ applyStyles : function(el, styles){
+ if(styles){
+ var i = 0,
+ len,
+ style;
+
+ el = Ext.fly(el);
+ if(Ext.isFunction(styles)){
+ styles = styles.call();
+ }
+ if(Ext.isString(styles)){
+ styles = styles.trim().split(/\s*(?::|;)\s*/);
+ for(len = styles.length; i < len;){
+ el.setStyle(styles[i++], styles[i++]);
+ }
+ }else if (Ext.isObject(styles)){
+ el.setStyle(styles);
+ }
+ }
+ },
+
+ /**
+ * Creates new DOM element(s) and inserts them before el.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ * @hide (repeat)
+ */
+ insertBefore : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, beforebegin);
+ },
+
+ /**
+ * Creates new DOM element(s) and inserts them after el.
+ * @param {Mixed} el The context element
+ * @param {Object} o The DOM object spec (and children)
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ * @hide (repeat)
+ */
+ insertAfter : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, afterend, 'nextSibling');
+ },
+
+ /**
+ * Creates new DOM element(s) and inserts them as the first child of el.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ * @hide (repeat)
+ */
+ insertFirst : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, afterbegin, 'firstChild');
+ },
+
+ /**
+ * Creates new DOM element(s) and appends them to el.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ * @hide (repeat)
+ */
+ append: function(el, o, returnElement){
+ return doInsert(el, o, returnElement, beforeend, '', true);
+ },
+
+ /**
+ * Creates new DOM element(s) without inserting them to the document.
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @return {HTMLElement} The new uninserted node
+ */
+ createDom: createDom
+ };
+ return pub;
+}());