diff options
Diffstat (limited to 'includes/js/dojox/layout/ContentPane.js')
| -rw-r--r-- | includes/js/dojox/layout/ContentPane.js | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/includes/js/dojox/layout/ContentPane.js b/includes/js/dojox/layout/ContentPane.js new file mode 100644 index 0000000..d60202c --- /dev/null +++ b/includes/js/dojox/layout/ContentPane.js @@ -0,0 +1,479 @@ +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 + // replace keyword '_container_' in scripts with 'dijit.byId(this.id)' + // NOTE this name might change in the near future + scriptHasHooks: false, + + /*====== + // ioMethod: dojo.xhrGet|dojo.xhrPost + // reference to the method that should grab the content + ioMethod: dojo.xhrGet, + + // ioArgs: Object + // makes it possible to add custom args to xhrGet, like ioArgs.headers['X-myHeader'] = 'true' + ioArgs: {}, + + // onLoadDeferred: dojo.Deferred + // callbackchain will start when onLoad occurs + onLoadDeferred: new dojo.Deferred(), + + // onUnloadDeferred: dojo.Deferred + // callbackchain will start when onUnload occurs + onUnloadDeferred: new dojo.Deferred(), + + setHref: function(url){ + // summary: replace current content with url's content + return ;// dojox.layout.ContentPane.DeferredHandle + }, + + refresh: function(){ + summary: force a re-download of content + return ;// dojox.layout.ContentPane.DeferredHandle + }, + + ======*/ + + constructor: function(){ + // init per instance properties, initializer doesn't work here because how things is hooked up in dijit._Widget + this.ioArgs = {}; + this.ioMethod = dojo.xhrGet; + this.onLoadDeferred = new dojo.Deferred(); + this.onUnloadDeferred = new dojo.Deferred(); + }, + + postCreate: function(){ + // override to support loadDeferred + this._setUpDeferreds(); + + dijit.layout.ContentPane.prototype.postCreate.apply(this, arguments); + }, + + onExecError: function(e){ + // summary + // event callback, called on script error or on java handler error + // overide and return your own html string if you want a some text + // displayed within the ContentPane + }, + + setContent: function(data){ + // summary: set data as new content, sort of like innerHTML + // data: String|DomNode|NodeList|dojo.NodeList + if(!this._isDownloaded){ + var defObj = this._setUpDeferreds(); + } + + dijit.layout.ContentPane.prototype.setContent.apply(this, arguments); + return defObj; // dojox.layout.ContentPane.DeferredHandle + }, + + cancel: function(){ + // summary: cancels a inflight download + if(this._xhrDfd && this._xhrDfd.fired == -1){ + // we are still in flight, which means we should reset our DeferredHandle + // otherwise we will trigger onUnLoad chain of the canceled content, + // the canceled content have never gotten onLoad so it shouldn't get onUnload + this.onUnloadDeferred = null; + } + dijit.layout.ContentPane.prototype.cancel.apply(this, arguments); + }, + + _setUpDeferreds: function(){ + var _t = this, cancel = function(){ _t.cancel(); } + var onLoad = (_t.onLoadDeferred = new dojo.Deferred()); + var onUnload = (_t._nextUnloadDeferred = new dojo.Deferred()); + return { + cancel: cancel, + addOnLoad: function(func){onLoad.addCallback(func);}, + addOnUnload: function(func){onUnload.addCallback(func);} + }; + }, + + _onLoadHandler: function(){ + dijit.layout.ContentPane.prototype._onLoadHandler.apply(this, arguments); + if(this.onLoadDeferred){ + this.onLoadDeferred.callback(true); + } + }, + + _onUnloadHandler: function(){ + this.isLoaded = false; + this.cancel();// need to cancel so we don't get any inflight suprises + if(this.onUnloadDeferred){ + this.onUnloadDeferred.callback(true); + } + + dijit.layout.ContentPane.prototype._onUnloadHandler.apply(this, arguments); + + if(this._nextUnloadDeferred){ + this.onUnloadDeferred = this._nextUnloadDeferred; + } + }, + + _onError: function(type, err){ + dijit.layout.ContentPane.prototype._onError.apply(this, arguments); + if(this.onLoadDeferred){ + this.onLoadDeferred.errback(err); + } + }, + + _prepareLoad: function(forceLoad){ + // sets up for a xhrLoad, load is deferred until widget is showing + var defObj = this._setUpDeferreds(); + + dijit.layout.ContentPane.prototype._prepareLoad.apply(this, arguments); + + return defObj; + }, + + _setContent: function(cont){ + // override dijit.layout.ContentPane._setContent, to enable path adjustments + var styles = [];// init vars + if(dojo.isString(cont)){ + if(this.adjustPaths && this.href){ + cont = adjustHtmlPaths(this.href, cont); + } + if(this.cleanContent){ + cont = secureForInnerHtml(cont); + } + if(this.renderStyles || this.cleanContent){ + cont = snarfStyles(this.href, cont, styles); + } + + // because of a bug in IE, script tags that is first in html hierarchy doesnt make it into the DOM + // when content is innerHTML'ed, so we can't use dojo.query to retrieve scripts from DOM + if(this.executeScripts){ + var _t = this, code, byRef = { + downloadRemote: true, + errBack:function(e){ + _t._onError.call(_t, 'Exec', 'Error downloading remote script in "'+_t.id+'"', e); + } + }; + cont = snarfScripts(cont, byRef); + code = byRef.code; + } + + // rationale for this block: + // if containerNode/domNode is a table derivate tag, some browsers dont allow innerHTML on those + var node = (this.containerNode || this.domNode), pre = post = '', walk = 0; + switch(node.nodeName.toLowerCase()){ + case 'tr': + pre = '<tr>'; post = '</tr>'; + walk += 1;//fallthrough + case 'tbody': case 'thead':// children of THEAD is of same type as TBODY + pre = '<tbody>' + pre; post += '</tbody>'; + walk += 1;// falltrough + case 'table': + pre = '<table>' + pre; post += '</table>'; + walk += 1; + break; + } + if(walk){ + var n = node.ownerDocument.createElement('div'); + n.innerHTML = pre + cont + post; + do{ + n = n.firstChild; + }while(--walk); + cont = n.childNodes; + } + } + + // render the content + dijit.layout.ContentPane.prototype._setContent.call(this, cont); + + // clear old stylenodes from the DOM + if(this._styleNodes && this._styleNodes.length){ + while(this._styleNodes.length){ + dojo._destroyElement(this._styleNodes.pop()); + } + } + // render new style nodes + if(this.renderStyles && styles && styles.length){ + this._renderStyles(styles); + } + + if(this.executeScripts && code){ + if(this.cleanContent){ + // clean JS from html comments and other crap that browser + // parser takes care of in a normal page load + code = code.replace(/(<!--|(?:\/\/)?-->|<!\[CDATA\[|\]\]>)/g, ''); + } + if(this.scriptHasHooks){ + // replace _container_ with dijit.byId(this.id) + code = code.replace(/_container_(?!\s*=[^=])/g, dijit._scopeName + ".byId('"+this.id+"')"); + } + try{ + evalInGlobal(code, (this.containerNode || this.domNode)); + }catch(e){ + this._onError('Exec', 'Error eval script in '+this.id+', '+e.message, e); + } + } + }, + + _renderStyles: function(styles){ + // insert css from content into document head + this._styleNodes = []; + var st, att, cssText, doc = this.domNode.ownerDocument; + var head = doc.getElementsByTagName('head')[0]; + + for(var i = 0, e = styles.length; i < e; i++){ + cssText = styles[i]; att = styles.attributes[i]; + st = doc.createElement('style'); + st.setAttribute("type", "text/css"); // this is required in CSS spec! + + for(var x in att){ + st.setAttribute(x, att[x]) + } + + this._styleNodes.push(st); + head.appendChild(st); // must insert into DOM before setting cssText + + if(st.styleSheet){ // IE + st.styleSheet.cssText = cssText; + }else{ // w3c + st.appendChild(doc.createTextNode(cssText)); + } + } + } +}); + +})(); + +} |