DomHelper-more.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:6k
源码类别:
中间件编程
开发平台:
JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @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;
- }());