2150 |
mathias |
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if(!dojo._hasResource["dojox.layout.ContentPane"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.layout.ContentPane"] = true;
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dojo.provide("dojox.layout.ContentPane");
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dojo.require("dijit.layout.ContentPane");
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(function(){ // private scope, sort of a namespace
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// TODO: should these methods be moved to dojox.html.cssPathAdjust or something?
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// css at-rules must be set before any css declarations according to CSS spec
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// match:
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// @import 'http://dojotoolkit.org/dojo.css';
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// @import 'you/never/thought/' print;
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// @import url("it/would/work") tv, screen;
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// @import url(/did/you/now.css);
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// but not:
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// @namespace dojo "http://dojotoolkit.org/dojo.css"; /* namespace URL should always be a absolute URI */
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// @charset 'utf-8';
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// @media print{ #menuRoot {display:none;} }
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// we adjust all paths that dont start on '/' or contains ':'
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//(?![a-z]+:|\/)
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if(dojo.isIE){
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var alphaImageLoader = /(AlphaImageLoader\([^)]*?src=(['"]))(?![a-z]+:|\/)([^\r\n;}]+?)(\2[^)]*\)\s*[;}]?)/g;
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}
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var cssPaths = /(?:(?:@import\s*(['"])(?![a-z]+:|\/)([^\r\n;{]+?)\1)|url\(\s*(['"]?)(?![a-z]+:|\/)([^\r\n;]+?)\3\s*\))([a-z, \s]*[;}]?)/g;
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function adjustCssPaths(cssUrl, cssText){
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// summary:
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// adjusts relative paths in cssText to be relative to cssUrl
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// a path is considered relative if it doesn't start with '/' and not contains ':'
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// description:
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// Say we fetch a HTML page from level1/page.html
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// It has some inline CSS:
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// @import "css/page.css" tv, screen;
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// ...
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// background-image: url(images/aplhaimage.png);
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//
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// as we fetched this HTML and therefore this CSS
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// from level1/page.html, these paths needs to be adjusted to:
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// @import 'level1/css/page.css' tv, screen;
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// ...
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// background-image: url(level1/images/alphaimage.png);
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//
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// In IE it will also adjust relative paths in AlphaImageLoader()
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// filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/alphaimage.png');
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// will be adjusted to:
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// filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='level1/images/alphaimage.png');
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//
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// Please note that any relative paths in AlphaImageLoader in external css files wont work, as
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// the paths in AlphaImageLoader is MUST be declared relative to the HTML page,
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// not relative to the CSS file that declares it
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if(!cssText || !cssUrl){ return; }
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// support the ImageAlphaFilter if it exists, most people use it in IE 6 for transparent PNGs
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// We are NOT going to kill it in IE 7 just because the PNGs work there. Somebody might have
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// other uses for it.
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// If user want to disable css filter in IE6 he/she should
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// unset filter in a declaration that just IE 6 doesn't understands
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// like * > .myselector { filter:none; }
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if(alphaImageLoader){
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cssText = cssText.replace(alphaImageLoader, function(ignore, pre, delim, url, post){
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return pre + (new dojo._Url(cssUrl, './'+url).toString()) + post;
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});
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}
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return cssText.replace(cssPaths, function(ignore, delimStr, strUrl, delimUrl, urlUrl, media){
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if(strUrl){
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return '@import "' + (new dojo._Url(cssUrl, './'+strUrl).toString()) + '"' + media;
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}else{
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return 'url(' + (new dojo._Url(cssUrl, './'+urlUrl).toString()) + ')' + media;
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}
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});
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}
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// attributepaths one tag can have multiple paths, example:
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// <input src="..." style="url(..)"/> or <a style="url(..)" href="..">
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// <img style='filter:progid...AlphaImageLoader(src="noticeTheSrcHereRunsThroughHtmlSrc")' src="img">
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var htmlAttrPaths = /(<[a-z][a-z0-9]*\s[^>]*)(?:(href|src)=(['"]?)([^>]*?)\3|style=(['"]?)([^>]*?)\5)([^>]*>)/gi;
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function adjustHtmlPaths(htmlUrl, cont){
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var url = htmlUrl || "./";
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return cont.replace(htmlAttrPaths,
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function(tag, start, name, delim, relUrl, delim2, cssText, end){
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return start + (name ?
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(name + '=' + delim + (new dojo._Url(url, relUrl).toString()) + delim)
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: ('style=' + delim2 + adjustCssPaths(url, cssText) + delim2)
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) + end;
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}
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);
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}
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function secureForInnerHtml(cont){
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/********* remove <!DOCTYPE.. and <title>..</title> tag **********/
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// khtml is picky about dom faults, you can't attach a <style> or <title> node as child of body
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// must go into head, so we need to cut out those tags
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return cont.replace(/(?:\s*<!DOCTYPE\s[^>]+>|<title[^>]*>[\s\S]*?<\/title>)/ig, "");
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}
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function snarfStyles(/*String*/cssUrl, /*String*/cont, /*Array*/styles){
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/**************** cut out all <style> and <link rel="stylesheet" href=".."> **************/
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// also return any attributes from this tag (might be a media attribute)
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// if cssUrl is set it will adjust paths accordingly
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styles.attributes = [];
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return cont.replace(/(?:<style([^>]*)>([\s\S]*?)<\/style>|<link\s+(?=[^>]*rel=['"]?stylesheet)([^>]*?href=(['"])([^>]*?)\4[^>\/]*)\/?>)/gi,
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function(ignore, styleAttr, cssText, linkAttr, delim, href){
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// trim attribute
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var i, attr = (styleAttr||linkAttr||"").replace(/^\s*([\s\S]*?)\s*$/i, "$1");
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if(cssText){
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i = styles.push(cssUrl ? adjustCssPaths(cssUrl, cssText) : cssText);
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}else{
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i = styles.push('@import "' + href + '";')
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attr = attr.replace(/\s*(?:rel|href)=(['"])?[^\s]*\1\s*/gi, ""); // remove rel=... and href=...
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}
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if(attr){
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attr = attr.split(/\s+/);// split on both "\n", "\t", " " etc
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var atObj = {}, tmp;
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for(var j = 0, e = attr.length; j < e; j++){
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tmp = attr[j].split('=')// split name='value'
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atObj[tmp[0]] = tmp[1].replace(/^\s*['"]?([\s\S]*?)['"]?\s*$/, "$1"); // trim and remove ''
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}
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styles.attributes[i - 1] = atObj;
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}
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return ""; // squelsh the <style> or <link>
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}
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);
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}
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function snarfScripts(cont, byRef){
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// summary
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// strips out script tags from cont
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// invoke with
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// byRef = {errBack:function(){/*add your download error code here*/, downloadRemote: true(default false)}}
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// byRef will have {code: 'jscode'} when this scope leaves
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byRef.code = "";
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function download(src){
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if(byRef.downloadRemote){
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// console.debug('downloading',src);
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dojo.xhrGet({
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url: src,
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sync: true,
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load: function(code){
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byRef.code += code+";";
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},
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error: byRef.errBack
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});
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}
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}
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// match <script>, <script type="text/..., but not <script type="dojo(/method)...
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return cont.replace(/<script\s*(?![^>]*type=['"]?dojo)(?:[^>]*?(?:src=(['"]?)([^>]*?)\1[^>]*)?)*>([\s\S]*?)<\/script>/gi,
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function(ignore, delim, src, code){
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if(src){
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download(src);
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}else{
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byRef.code += code;
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}
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return "";
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}
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);
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}
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function evalInGlobal(code, appendNode){
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// we do our own eval here as dojo.eval doesn't eval in global crossbrowser
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// This work X browser but but it relies on a DOM
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// plus it doesn't return anything, thats unrelevant here but not for dojo core
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appendNode = appendNode || dojo.doc.body;
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var n = appendNode.ownerDocument.createElement('script');
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n.type = "text/javascript";
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appendNode.appendChild(n);
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n.text = code; // DOM 1 says this should work
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}
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/*=====
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dojox.layout.ContentPane.DeferredHandle = {
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// cancel: Function
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cancel: function(){
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// summary: cancel a in flight download
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},
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addOnLoad: function(func){
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// summary: add a callback to the onLoad chain
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// func: Function
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},
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addOnUnload: function(func){
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// summary: add a callback to the onUnload chain
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// func: Function
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}
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}
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=====*/
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dojo.declare("dojox.layout.ContentPane", dijit.layout.ContentPane, {
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// summary:
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// An extended version of dijit.layout.ContentPane
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// Supports infile scrips and external ones declared by <script src=''
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// relative path adjustments (content fetched from a different folder)
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// <style> and <link rel='stylesheet' href='..'> tags,
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// css paths inside cssText is adjusted (if you set adjustPaths = true)
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//
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// NOTE that dojo.require in script in the fetched file isn't recommended
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// Many widgets need to be required at page load to work properly
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// adjustPaths: Boolean
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// Adjust relative paths in html string content to point to this page
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// Only usefull if you grab content from a another folder then the current one
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adjustPaths: false,
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// cleanContent: Boolean
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// summary:
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// cleans content to make it less likly to generate DOM/JS errors.
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// description:
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// usefull if you send contentpane a complete page, instead of a html fragment
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// scans for
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// style nodes, inserts in Document head
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// title Node, remove
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// DOCTYPE tag, remove
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// <!-- *JS code here* -->
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// <![CDATA[ *JS code here* ]]>
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cleanContent: false,
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// renderStyles: Boolean
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// trigger/load styles in the content
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renderStyles: false,
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// executeScripts: Boolean
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// Execute (eval) scripts that is found in the content
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executeScripts: true,
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// scriptHasHooks: Boolean
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// replace keyword '_container_' in scripts with 'dijit.byId(this.id)'
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// NOTE this name might change in the near future
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scriptHasHooks: false,
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/*======
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// ioMethod: dojo.xhrGet|dojo.xhrPost
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// reference to the method that should grab the content
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ioMethod: dojo.xhrGet,
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// ioArgs: Object
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// makes it possible to add custom args to xhrGet, like ioArgs.headers['X-myHeader'] = 'true'
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ioArgs: {},
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// onLoadDeferred: dojo.Deferred
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// callbackchain will start when onLoad occurs
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onLoadDeferred: new dojo.Deferred(),
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// onUnloadDeferred: dojo.Deferred
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// callbackchain will start when onUnload occurs
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onUnloadDeferred: new dojo.Deferred(),
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setHref: function(url){
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// summary: replace current content with url's content
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return ;// dojox.layout.ContentPane.DeferredHandle
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},
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refresh: function(){
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summary: force a re-download of content
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return ;// dojox.layout.ContentPane.DeferredHandle
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},
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======*/
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constructor: function(){
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// init per instance properties, initializer doesn't work here because how things is hooked up in dijit._Widget
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this.ioArgs = {};
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this.ioMethod = dojo.xhrGet;
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this.onLoadDeferred = new dojo.Deferred();
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this.onUnloadDeferred = new dojo.Deferred();
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},
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postCreate: function(){
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// override to support loadDeferred
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this._setUpDeferreds();
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dijit.layout.ContentPane.prototype.postCreate.apply(this, arguments);
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},
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onExecError: function(e){
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// summary
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// event callback, called on script error or on java handler error
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// overide and return your own html string if you want a some text
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// displayed within the ContentPane
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},
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setContent: function(data){
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// summary: set data as new content, sort of like innerHTML
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// data: String|DomNode|NodeList|dojo.NodeList
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if(!this._isDownloaded){
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var defObj = this._setUpDeferreds();
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}
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dijit.layout.ContentPane.prototype.setContent.apply(this, arguments);
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return defObj; // dojox.layout.ContentPane.DeferredHandle
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},
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cancel: function(){
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// summary: cancels a inflight download
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if(this._xhrDfd && this._xhrDfd.fired == -1){
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// we are still in flight, which means we should reset our DeferredHandle
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// otherwise we will trigger onUnLoad chain of the canceled content,
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// the canceled content have never gotten onLoad so it shouldn't get onUnload
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this.onUnloadDeferred = null;
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}
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dijit.layout.ContentPane.prototype.cancel.apply(this, arguments);
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},
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_setUpDeferreds: function(){
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var _t = this, cancel = function(){ _t.cancel(); }
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var onLoad = (_t.onLoadDeferred = new dojo.Deferred());
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var onUnload = (_t._nextUnloadDeferred = new dojo.Deferred());
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return {
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cancel: cancel,
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addOnLoad: function(func){onLoad.addCallback(func);},
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addOnUnload: function(func){onUnload.addCallback(func);}
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};
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},
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_onLoadHandler: function(){
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dijit.layout.ContentPane.prototype._onLoadHandler.apply(this, arguments);
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if(this.onLoadDeferred){
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this.onLoadDeferred.callback(true);
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}
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|
333 |
},
|
|
|
334 |
|
|
|
335 |
_onUnloadHandler: function(){
|
|
|
336 |
this.isLoaded = false;
|
|
|
337 |
this.cancel();// need to cancel so we don't get any inflight suprises
|
|
|
338 |
if(this.onUnloadDeferred){
|
|
|
339 |
this.onUnloadDeferred.callback(true);
|
|
|
340 |
}
|
|
|
341 |
|
|
|
342 |
dijit.layout.ContentPane.prototype._onUnloadHandler.apply(this, arguments);
|
|
|
343 |
|
|
|
344 |
if(this._nextUnloadDeferred){
|
|
|
345 |
this.onUnloadDeferred = this._nextUnloadDeferred;
|
|
|
346 |
}
|
|
|
347 |
},
|
|
|
348 |
|
|
|
349 |
_onError: function(type, err){
|
|
|
350 |
dijit.layout.ContentPane.prototype._onError.apply(this, arguments);
|
|
|
351 |
if(this.onLoadDeferred){
|
|
|
352 |
this.onLoadDeferred.errback(err);
|
|
|
353 |
}
|
|
|
354 |
},
|
|
|
355 |
|
|
|
356 |
_prepareLoad: function(forceLoad){
|
|
|
357 |
// sets up for a xhrLoad, load is deferred until widget is showing
|
|
|
358 |
var defObj = this._setUpDeferreds();
|
|
|
359 |
|
|
|
360 |
dijit.layout.ContentPane.prototype._prepareLoad.apply(this, arguments);
|
|
|
361 |
|
|
|
362 |
return defObj;
|
|
|
363 |
},
|
|
|
364 |
|
|
|
365 |
_setContent: function(cont){
|
|
|
366 |
// override dijit.layout.ContentPane._setContent, to enable path adjustments
|
|
|
367 |
var styles = [];// init vars
|
|
|
368 |
if(dojo.isString(cont)){
|
|
|
369 |
if(this.adjustPaths && this.href){
|
|
|
370 |
cont = adjustHtmlPaths(this.href, cont);
|
|
|
371 |
}
|
|
|
372 |
if(this.cleanContent){
|
|
|
373 |
cont = secureForInnerHtml(cont);
|
|
|
374 |
}
|
|
|
375 |
if(this.renderStyles || this.cleanContent){
|
|
|
376 |
cont = snarfStyles(this.href, cont, styles);
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
// because of a bug in IE, script tags that is first in html hierarchy doesnt make it into the DOM
|
|
|
380 |
// when content is innerHTML'ed, so we can't use dojo.query to retrieve scripts from DOM
|
|
|
381 |
if(this.executeScripts){
|
|
|
382 |
var _t = this, code, byRef = {
|
|
|
383 |
downloadRemote: true,
|
|
|
384 |
errBack:function(e){
|
|
|
385 |
_t._onError.call(_t, 'Exec', 'Error downloading remote script in "'+_t.id+'"', e);
|
|
|
386 |
}
|
|
|
387 |
};
|
|
|
388 |
cont = snarfScripts(cont, byRef);
|
|
|
389 |
code = byRef.code;
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
// rationale for this block:
|
|
|
393 |
// if containerNode/domNode is a table derivate tag, some browsers dont allow innerHTML on those
|
|
|
394 |
var node = (this.containerNode || this.domNode), pre = post = '', walk = 0;
|
|
|
395 |
switch(name = node.nodeName.toLowerCase()){
|
|
|
396 |
case 'tr':
|
|
|
397 |
pre = '<tr>'; post = '</tr>';
|
|
|
398 |
walk += 1;//fallthrough
|
|
|
399 |
case 'tbody': case 'thead':// children of THEAD is of same type as TBODY
|
|
|
400 |
pre = '<tbody>' + pre; post += '</tbody>';
|
|
|
401 |
walk += 1;// falltrough
|
|
|
402 |
case 'table':
|
|
|
403 |
pre = '<table>' + pre; post += '</table>';
|
|
|
404 |
walk += 1;
|
|
|
405 |
break;
|
|
|
406 |
}
|
|
|
407 |
if(walk){
|
|
|
408 |
var n = node.ownerDocument.createElement('div');
|
|
|
409 |
n.innerHTML = pre + cont + post;
|
|
|
410 |
do{
|
|
|
411 |
n = n.firstChild;
|
|
|
412 |
}while(--walk);
|
|
|
413 |
cont = n.childNodes;
|
|
|
414 |
}
|
|
|
415 |
}
|
|
|
416 |
|
|
|
417 |
// render the content
|
|
|
418 |
dijit.layout.ContentPane.prototype._setContent.call(this, cont);
|
|
|
419 |
|
|
|
420 |
// clear old stylenodes from the DOM
|
|
|
421 |
if(this._styleNodes && this._styleNodes.length){
|
|
|
422 |
while(this._styleNodes.length){
|
|
|
423 |
dojo._destroyElement(this._styleNodes.pop());
|
|
|
424 |
}
|
|
|
425 |
}
|
|
|
426 |
// render new style nodes
|
|
|
427 |
if(this.renderStyles && styles && styles.length){
|
|
|
428 |
this._renderStyles(styles);
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
if(this.executeScripts && code){
|
|
|
432 |
if(this.cleanContent){
|
|
|
433 |
// clean JS from html comments and other crap that browser
|
|
|
434 |
// parser takes care of in a normal page load
|
|
|
435 |
code = code.replace(/(<!--|(?:\/\/)?-->|<!\[CDATA\[|\]\]>)/g, '');
|
|
|
436 |
}
|
|
|
437 |
if(this.scriptHasHooks){
|
|
|
438 |
// replace _container_ with dijit.byId(this.id)
|
|
|
439 |
code = code.replace(/_container_(?!\s*=[^=])/g, "dijit.byId('"+this.id+"')");
|
|
|
440 |
}
|
|
|
441 |
try{
|
|
|
442 |
evalInGlobal(code, (this.containerNode || this.domNode));
|
|
|
443 |
}catch(e){
|
|
|
444 |
this._onError('Exec', 'Error eval script in '+this.id+', '+e.message, e);
|
|
|
445 |
}
|
|
|
446 |
}
|
|
|
447 |
},
|
|
|
448 |
|
|
|
449 |
_renderStyles: function(styles){
|
|
|
450 |
// insert css from content into document head
|
|
|
451 |
this._styleNodes = [];
|
|
|
452 |
var st, att, cssText, doc = this.domNode.ownerDocument;
|
|
|
453 |
var head = doc.getElementsByTagName('head')[0];
|
|
|
454 |
|
|
|
455 |
for(var i = 0, e = styles.length; i < e; i++){
|
|
|
456 |
cssText = styles[i]; att = styles.attributes[i];
|
|
|
457 |
st = doc.createElement('style');
|
|
|
458 |
st.setAttribute("type", "text/css"); // this is required in CSS spec!
|
|
|
459 |
|
|
|
460 |
for(var x in att){
|
|
|
461 |
st.setAttribute(x, att[x])
|
|
|
462 |
}
|
|
|
463 |
|
|
|
464 |
this._styleNodes.push(st);
|
|
|
465 |
head.appendChild(st); // must insert into DOM before setting cssText
|
|
|
466 |
|
|
|
467 |
if(st.styleSheet){ // IE
|
|
|
468 |
st.styleSheet.cssText = cssText;
|
|
|
469 |
}else{ // w3c
|
|
|
470 |
st.appendChild(doc.createTextNode(cssText));
|
|
|
471 |
}
|
|
|
472 |
}
|
|
|
473 |
}
|
|
|
474 |
});
|
|
|
475 |
|
|
|
476 |
})();
|
|
|
477 |
|
|
|
478 |
}
|