contentpane.js

这是一个ajax的例子大家好好的看看就是一个鱼眼的效果

if(!dojo._hasResource["dojox.layout.ContentPane"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.layout.ContentPane"] = true;
dojo.provide("dojox.layout.ContentPane");

dojo.require("dijit.layout.ContentPane");

(function(){ // private scope, sort of a namespace

	// TODO: should these methods be moved to dojox.html.cssPathAdjust or something?

	// css at-rules must be set before any css declarations according to CSS spec
	// match:
	// @import 'http://dojotoolkit.org/dojo.css';
	// @import 'you/never/thought/' print;
	// @import url("it/would/work") tv, screen;
	// @import url(/did/you/now.css);
	// but not:
	// @namespace dojo "http://dojotoolkit.org/dojo.css"; /* namespace URL should always be a absolute URI */
	// @charset 'utf-8';
	// @media print{ #menuRoot {display:none;} }

		
	// we adjust all paths that dont start on '/' or contains ':'
	//(?![a-z]+:|\/)

	if(dojo.isIE){
		var alphaImageLoader = /(AlphaImageLoader\([^)]*?src=(['"]))(?![a-z]+:|\/)([^\r\n;}]+?)(\2[^)]*\)\s*[;}]?)/g;
	}

	var cssPaths = /(?:(?:@import\s*(['"])(?![a-z]+:|\/)([^\r\n;{]+?)\1)|url\(\s*(['"]?)(?![a-z]+:|\/)([^\r\n;]+?)\3\s*\))([a-z, \s]*[;}]?)/g;

	function adjustCssPaths(cssUrl, cssText){
		//	summary:
		//		adjusts relative paths in cssText to be relative to cssUrl
		//		a path is considered relative if it doesn't start with '/' and not contains ':'
		//	description:
		//		Say we fetch a HTML page from level1/page.html
		//		It has some inline CSS:
		//			@import "css/page.css" tv, screen;
		//			...
		//			background-image: url(images/aplhaimage.png);
		//
		//		as we fetched this HTML and therefore this CSS
		//		from level1/page.html, these paths needs to be adjusted to:
		//			@import 'level1/css/page.css' tv, screen;
		//			...
		//			background-image: url(level1/images/alphaimage.png);
		//		
		//		In IE it will also adjust relative paths in AlphaImageLoader()
		//			filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/alphaimage.png');
		//		will be adjusted to:
		//			filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='level1/images/alphaimage.png');
		//
		//		Please note that any relative paths in AlphaImageLoader in external css files wont work, as
		//		the paths in AlphaImageLoader is MUST be declared relative to the HTML page,
		//		not relative to the CSS file that declares it

		if(!cssText || !cssUrl){ return; }

		// support the ImageAlphaFilter if it exists, most people use it in IE 6 for transparent PNGs
		// We are NOT going to kill it in IE 7 just because the PNGs work there. Somebody might have
		// other uses for it.
		// If user want to disable css filter in IE6  he/she should
		// unset filter in a declaration that just IE 6 doesn't understands
		// like * > .myselector { filter:none; }
		if(alphaImageLoader){
			cssText = cssText.replace(alphaImageLoader, function(ignore, pre, delim, url, post){
				return pre + (new dojo._Url(cssUrl, './'+url).toString()) + post;
			});
		}

		return cssText.replace(cssPaths, function(ignore, delimStr, strUrl, delimUrl, urlUrl, media){
			if(strUrl){
				return '@import "' + (new dojo._Url(cssUrl, './'+strUrl).toString()) + '"' + media;
			}else{
				return 'url(' + (new dojo._Url(cssUrl, './'+urlUrl).toString()) + ')' + media;
			}
		});
	}

	// attributepaths one tag can have multiple paths, example:
	// <input src="..." style="url(..)"/> or <a style="url(..)" href="..">
	// <img style='filter:progid...AlphaImageLoader(src="noticeTheSrcHereRunsThroughHtmlSrc")' src="img">
	var htmlAttrPaths = /(<[a-z][a-z0-9]*\s[^>]*)(?:(href|src)=(['"]?)([^>]*?)\3|style=(['"]?)([^>]*?)\5)([^>]*>)/gi;

	function adjustHtmlPaths(htmlUrl, cont){
		var url = htmlUrl || "./";

		return cont.replace(htmlAttrPaths,
			function(tag, start, name, delim, relUrl, delim2, cssText, end){
				return start + (name ?
							(name + '=' + delim + (new dojo._Url(url, relUrl).toString()) + delim)
						: ('style=' + delim2 + adjustCssPaths(url, cssText) + delim2)
				) + end;
			}
		);
	}

	function secureForInnerHtml(cont){
		/********* remove <!DOCTYPE.. and <title>..</title> tag **********/
		// khtml is picky about dom faults, you can't attach a <style> or <title> node as child of body
		// must go into head, so we need to cut out those tags
		return cont.replace(/(?:\s*<!DOCTYPE\s[^>]+>|<title[^>]*>[\s\S]*?<\/title>)/ig, "");
	}

	function snarfStyles(/*String*/cssUrl, /*String*/cont, /*Array*/styles){
		/****************  cut out all <style> and <link rel="stylesheet" href=".."> **************/
		// also return any attributes from this tag (might be a media attribute)
		// if cssUrl is set it will adjust paths accordingly
		styles.attributes = [];

		return cont.replace(/(?:<style([^>]*)>([\s\S]*?)<\/style>|<link\s+(?=[^>]*rel=['"]?stylesheet)([^>]*?href=(['"])([^>]*?)\4[^>\/]*)\/?>)/gi,
			function(ignore, styleAttr, cssText, linkAttr, delim, href){
				// trim attribute
				var i, attr = (styleAttr||linkAttr||"").replace(/^\s*([\s\S]*?)\s*$/i, "$1"); 
				if(cssText){
					i = styles.push(cssUrl ? adjustCssPaths(cssUrl, cssText) : cssText);
				}else{
					i = styles.push('@import "' + href + '";')
					attr = attr.replace(/\s*(?:rel|href)=(['"])?[^\s]*\1\s*/gi, ""); // remove rel=... and href=...
				}
				if(attr){
					attr = attr.split(/\s+/);// split on both "\n", "\t", " " etc
					var atObj = {}, tmp;
					for(var j = 0, e = attr.length; j < e; j++){
						tmp = attr[j].split('=')// split name='value'
						atObj[tmp[0]] = tmp[1].replace(/^\s*['"]?([\s\S]*?)['"]?\s*$/, "$1"); // trim and remove ''
					}
					styles.attributes[i - 1] = atObj;
				}
				return ""; // squelsh the <style> or <link>
			}
		);
	}

	function snarfScripts(cont, byRef){
		// summary
		//		strips out script tags from cont
		// invoke with 
		//	byRef = {errBack:function(){/*add your download error code here*/, downloadRemote: true(default false)}}
		//	byRef will have {code: 'jscode'} when this scope leaves
		byRef.code = "";

		function download(src){
			if(byRef.downloadRemote){
				// console.debug('downloading',src);
				dojo.xhrGet({
					url: src,
					sync: true,
					load: function(code){
						byRef.code += code+";";
					},
					error: byRef.errBack
				});
			}
		}
		
		// match <script>, <script type="text/..., but not <script type="dojo(/method)...
		return cont.replace(/<script\s*(?![^>]*type=['"]?dojo)(?:[^>]*?(?:src=(['"]?)([^>]*?)\1[^>]*)?)*>([\s\S]*?)<\/script>/gi,
			function(ignore, delim, src, code){
				if(src){
					download(src);
				}else{
					byRef.code += code;
				}
				return "";
			}
		);
	}

	function evalInGlobal(code, appendNode){
		// we do our own eval here as dojo.eval doesn't eval in global crossbrowser
		// This work X browser but but it relies on a DOM
		// plus it doesn't return anything, thats unrelevant here but not for dojo core
		appendNode = appendNode || dojo.doc.body;
		var n = appendNode.ownerDocument.createElement('script');
		n.type = "text/javascript";
		appendNode.appendChild(n);
		n.text = code; // DOM 1 says this should work
	}

	/*=====
	dojox.layout.ContentPane.DeferredHandle = {
		// cancel: Function
		cancel: function(){
			// summary: cancel a in flight download
		},

		addOnLoad: function(func){
			// summary: add a callback to the onLoad chain
			// func: Function
		},

		addOnUnload: function(func){
			// summary: add a callback to the onUnload chain
			// func: Function
		}
	}
	=====*/


dojo.declare("dojox.layout.ContentPane", dijit.layout.ContentPane, {
	// summary:
	//		An extended version of dijit.layout.ContentPane
	//		Supports infile scrips and external ones declared by <script src=''
	//		relative path adjustments (content fetched from a different folder)
	//		<style> and <link rel='stylesheet' href='..'> tags,
	//		css paths inside cssText is adjusted (if you set adjustPaths = true)
	//
	//		NOTE that dojo.require in script in the fetched file isn't recommended
	//		Many widgets need to be required at page load to work properly

	// adjustPaths: Boolean
	//		Adjust relative paths in html string content to point to this page
	//		Only usefull if you grab content from a another folder then the current one
	adjustPaths: false,

	// cleanContent: Boolean
	//	summary:
	//		cleans content to make it less likly to generate DOM/JS errors.
	//	description:
	//		usefull if you send contentpane a complete page, instead of a html fragment
	//		scans for 
	//
	//			* style nodes, inserts in Document head
	//			* title Node, remove
	//			* DOCTYPE tag, remove
	//			* `<!-- *JS code here* -->`
	//			* `<![CDATA[ *JS code here* ]]>`
	cleanContent: false,

	// renderStyles: Boolean
	//		trigger/load styles in the content
	renderStyles: false,

	// executeScripts: Boolean
	//		Execute (eval) scripts that is found in the content
	executeScripts: true,

	// scriptHasHooks: Boolean