2010-11-15 08:39:52 +01:00
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/*
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2011-11-08 17:40:44 +01:00
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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2010-11-15 08:39:52 +01:00
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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2011-11-08 17:40:44 +01:00
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if(!dojo._hasResource["dijit.layout.ContentPane"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit.layout.ContentPane"] = true;
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2010-11-15 08:39:52 +01:00
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dojo.provide("dijit.layout.ContentPane");
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dojo.require("dijit._Widget");
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2011-11-08 17:40:44 +01:00
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dojo.require("dijit.layout._ContentPaneResizeMixin");
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2010-11-15 08:39:52 +01:00
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dojo.require("dojo.string");
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dojo.require("dojo.html");
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2011-11-08 17:40:44 +01:00
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dojo.requireLocalization("dijit", "loading", null, "ROOT,ar,ca,cs,da,de,el,es,fi,fr,he,hu,it,ja,kk,ko,nb,nl,pl,pt,pt-pt,ro,ru,sk,sl,sv,th,tr,zh,zh-tw");
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dojo.declare(
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"dijit.layout.ContentPane", [dijit._Widget, dijit.layout._ContentPaneResizeMixin],
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{
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// summary:
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// A widget containing an HTML fragment, specified inline
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// or by uri. Fragment may include widgets.
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//
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// description:
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// This widget embeds a document fragment in the page, specified
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// either by uri, javascript generated markup or DOM reference.
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// Any widgets within this content are instantiated and managed,
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// but laid out according to the HTML structure. Unlike IFRAME,
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// ContentPane embeds a document fragment as would be found
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// inside the BODY tag of a full HTML document. It should not
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// contain the HTML, HEAD, or BODY tags.
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// For more advanced functionality with scripts and
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// stylesheets, see dojox.layout.ContentPane. This widget may be
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// used stand alone or as a base class for other widgets.
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// ContentPane is useful as a child of other layout containers
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// such as BorderContainer or TabContainer, but note that those
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// widgets can contain any widget as a child.
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//
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// example:
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// Some quick samples:
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// To change the innerHTML: cp.set('content', '<b>new content</b>')
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//
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// Or you can send it a NodeList: cp.set('content', dojo.query('div [class=selected]', userSelection))
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//
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// To do an ajax update: cp.set('href', url)
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// href: String
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// The href of the content that displays now.
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// Set this at construction if you want to load data externally when the
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// pane is shown. (Set preload=true to load it immediately.)
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// Changing href after creation doesn't have any effect; Use set('href', ...);
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href: "",
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/*=====
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// content: String || DomNode || NodeList || dijit._Widget
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// The innerHTML of the ContentPane.
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// Note that the initialization parameter / argument to set("content", ...)
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// can be a String, DomNode, Nodelist, or _Widget.
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content: "",
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=====*/
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// extractContent: Boolean
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// Extract visible content from inside of <body> .... </body>.
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// I.e., strip <html> and <head> (and it's contents) from the href
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extractContent: false,
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// parseOnLoad: Boolean
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// Parse content and create the widgets, if any.
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parseOnLoad: true,
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// parserScope: String
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// Flag passed to parser. Root for attribute names to search for. If scopeName is dojo,
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// will search for data-dojo-type (or dojoType). For backwards compatibility
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// reasons defaults to dojo._scopeName (which is "dojo" except when
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// multi-version support is used, when it will be something like dojo16, dojo20, etc.)
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parserScope: dojo._scopeName,
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// preventCache: Boolean
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// Prevent caching of data from href's by appending a timestamp to the href.
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preventCache: false,
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// preload: Boolean
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// Force load of data on initialization even if pane is hidden.
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preload: false,
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// refreshOnShow: Boolean
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// Refresh (re-download) content when pane goes from hidden to shown
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refreshOnShow: false,
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// loadingMessage: String
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// Message that shows while downloading
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loadingMessage: "<span class='dijitContentPaneLoading'>${loadingState}</span>",
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// errorMessage: String
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// Message that shows if an error occurs
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errorMessage: "<span class='dijitContentPaneError'>${errorState}</span>",
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// isLoaded: [readonly] Boolean
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// True if the ContentPane has data in it, either specified
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// during initialization (via href or inline content), or set
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// via set('content', ...) / set('href', ...)
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//
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// False if it doesn't have any content, or if ContentPane is
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// still in the process of downloading href.
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isLoaded: false,
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baseClass: "dijitContentPane",
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// ioArgs: Object
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// Parameters to pass to xhrGet() request, for example:
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// | <div dojoType="dijit.layout.ContentPane" href="./bar" ioArgs="{timeout: 500}">
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ioArgs: {},
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// onLoadDeferred: [readonly] dojo.Deferred
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// This is the `dojo.Deferred` returned by set('href', ...) and refresh().
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// Calling onLoadDeferred.addCallback() or addErrback() registers your
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// callback to be called only once, when the prior set('href', ...) call or
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// the initial href parameter to the constructor finishes loading.
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//
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// This is different than an onLoad() handler which gets called any time any href
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// or content is loaded.
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onLoadDeferred: null,
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// Override _Widget's attributeMap because we don't want the title attribute (used to specify
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// tab labels) to be copied to ContentPane.domNode... otherwise a tooltip shows up over the
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// entire pane.
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attributeMap: dojo.delegate(dijit._Widget.prototype.attributeMap, {
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title: []
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}),
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// Flag to parser that I'll parse my contents, so it shouldn't.
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stopParser: true,
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// template: [private] Boolean
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// Flag from the parser that this ContentPane is inside a template
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// so the contents are pre-parsed.
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// (TODO: this declaration can be commented out in 2.0)
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template: false,
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create: function(params, srcNodeRef){
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// Convert a srcNodeRef argument into a content parameter, so that the original contents are
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// processed in the same way as contents set via set("content", ...), calling the parser etc.
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// Avoid modifying original params object since that breaks NodeList instantiation, see #11906.
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if((!params || !params.template) && srcNodeRef && !("href" in params) && !("content" in params)){
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var df = dojo.doc.createDocumentFragment();
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srcNodeRef = dojo.byId(srcNodeRef)
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while(srcNodeRef.firstChild){
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df.appendChild(srcNodeRef.firstChild);
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}
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params = dojo.delegate(params, {content: df});
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}
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this.inherited(arguments, [params, srcNodeRef]);
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},
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postMixInProperties: function(){
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this.inherited(arguments);
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var messages = dojo.i18n.getLocalization("dijit", "loading", this.lang);
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this.loadingMessage = dojo.string.substitute(this.loadingMessage, messages);
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this.errorMessage = dojo.string.substitute(this.errorMessage, messages);
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},
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buildRendering: function(){
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this.inherited(arguments);
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// Since we have no template we need to set this.containerNode ourselves, to make getChildren() work.
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// For subclasses of ContentPane that do have a template, does nothing.
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if(!this.containerNode){
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this.containerNode = this.domNode;
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}
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// remove the title attribute so it doesn't show up when hovering
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// over a node (TODO: remove in 2.0, no longer needed after #11490)
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this.domNode.title = "";
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if(!dojo.attr(this.domNode,"role")){
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dijit.setWaiRole(this.domNode, "group");
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}
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},
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_startChildren: function(){
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// summary:
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// Call startup() on all children including non _Widget ones like dojo.dnd.Source objects
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// This starts all the widgets
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this.inherited(arguments);
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// And this catches stuff like dojo.dnd.Source
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if(this._contentSetter){
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dojo.forEach(this._contentSetter.parseResults, function(obj){
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if(!obj._started && !obj._destroyed && dojo.isFunction(obj.startup)){
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obj.startup();
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obj._started = true;
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}
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}, this);
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}
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},
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setHref: function(/*String|Uri*/ href){
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// summary:
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// Deprecated. Use set('href', ...) instead.
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dojo.deprecated("dijit.layout.ContentPane.setHref() is deprecated. Use set('href', ...) instead.", "", "2.0");
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return this.set("href", href);
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},
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_setHrefAttr: function(/*String|Uri*/ href){
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// summary:
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// Hook so set("href", ...) works.
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// description:
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// Reset the (external defined) content of this pane and replace with new url
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// Note: It delays the download until widget is shown if preload is false.
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// href:
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// url to the page you want to get, must be within the same domain as your mainpage
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// Cancel any in-flight requests (a set('href', ...) will cancel any in-flight set('href', ...))
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this.cancel();
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this.onLoadDeferred = new dojo.Deferred(dojo.hitch(this, "cancel"));
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this.onLoadDeferred.addCallback(dojo.hitch(this, "onLoad"));
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this._set("href", href);
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// _setHrefAttr() is called during creation and by the user, after creation.
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// Assuming preload == false, only in the second case do we actually load the URL;
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// otherwise it's done in startup(), and only if this widget is shown.
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if(this.preload || (this._created && this._isShown())){
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this._load();
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}else{
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// Set flag to indicate that href needs to be loaded the next time the
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// ContentPane is made visible
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this._hrefChanged = true;
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}
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return this.onLoadDeferred; // dojo.Deferred
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},
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setContent: function(/*String|DomNode|Nodelist*/data){
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// summary:
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// Deprecated. Use set('content', ...) instead.
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dojo.deprecated("dijit.layout.ContentPane.setContent() is deprecated. Use set('content', ...) instead.", "", "2.0");
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this.set("content", data);
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},
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_setContentAttr: function(/*String|DomNode|Nodelist*/data){
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// summary:
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// Hook to make set("content", ...) work.
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// Replaces old content with data content, include style classes from old content
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// data:
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// the new Content may be String, DomNode or NodeList
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//
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// if data is a NodeList (or an array of nodes) nodes are copied
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// so you can import nodes from another document implicitly
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// clear href so we can't run refresh and clear content
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// refresh should only work if we downloaded the content
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this._set("href", "");
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// Cancel any in-flight requests (a set('content', ...) will cancel any in-flight set('href', ...))
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this.cancel();
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// Even though user is just setting content directly, still need to define an onLoadDeferred
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// because the _onLoadHandler() handler is still getting called from setContent()
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this.onLoadDeferred = new dojo.Deferred(dojo.hitch(this, "cancel"));
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if(this._created){
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// For back-compat reasons, call onLoad() for set('content', ...)
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// calls but not for content specified in srcNodeRef (ie: <div dojoType=ContentPane>...</div>)
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// or as initialization parameter (ie: new ContentPane({content: ...})
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this.onLoadDeferred.addCallback(dojo.hitch(this, "onLoad"));
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}
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this._setContent(data || "");
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this._isDownloaded = false; // mark that content is from a set('content') not a set('href')
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return this.onLoadDeferred; // dojo.Deferred
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},
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_getContentAttr: function(){
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// summary:
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// Hook to make get("content") work
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return this.containerNode.innerHTML;
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},
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cancel: function(){
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// summary:
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// Cancels an in-flight download of content
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if(this._xhrDfd && (this._xhrDfd.fired == -1)){
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this._xhrDfd.cancel();
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}
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delete this._xhrDfd; // garbage collect
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this.onLoadDeferred = null;
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},
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uninitialize: function(){
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if(this._beingDestroyed){
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this.cancel();
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}
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this.inherited(arguments);
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},
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destroyRecursive: function(/*Boolean*/ preserveDom){
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// summary:
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// Destroy the ContentPane and its contents
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// if we have multiple controllers destroying us, bail after the first
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if(this._beingDestroyed){
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return;
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}
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this.inherited(arguments);
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},
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_onShow: function(){
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// summary:
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// Called when the ContentPane is made visible
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// description:
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// For a plain ContentPane, this is called on initialization, from startup().
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// If the ContentPane is a hidden pane of a TabContainer etc., then it's
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// called whenever the pane is made visible.
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//
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// Does necessary processing, including href download and layout/resize of
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// child widget(s)
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this.inherited(arguments);
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if(this.href){
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if(!this._xhrDfd && // if there's an href that isn't already being loaded
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(!this.isLoaded || this._hrefChanged || this.refreshOnShow)
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){
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return this.refresh(); // If child has an href, promise that fires when the load is complete
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}
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}
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},
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refresh: function(){
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// summary:
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// [Re]download contents of href and display
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// description:
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// 1. cancels any currently in-flight requests
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// 2. posts "loading..." message
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// 3. sends XHR to download new data
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// Cancel possible prior in-flight request
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this.cancel();
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this.onLoadDeferred = new dojo.Deferred(dojo.hitch(this, "cancel"));
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this.onLoadDeferred.addCallback(dojo.hitch(this, "onLoad"));
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this._load();
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return this.onLoadDeferred; // If child has an href, promise that fires when refresh is complete
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},
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_load: function(){
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// summary:
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// Load/reload the href specified in this.href
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// display loading message
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this._setContent(this.onDownloadStart(), true);
|
|
|
|
|
|
|
|
var self = this;
|
|
|
|
var getArgs = {
|
|
|
|
preventCache: (this.preventCache || this.refreshOnShow),
|
|
|
|
url: this.href,
|
|
|
|
handleAs: "text"
|
|
|
|
};
|
|
|
|
if(dojo.isObject(this.ioArgs)){
|
|
|
|
dojo.mixin(getArgs, this.ioArgs);
|
|
|
|
}
|
|
|
|
|
|
|
|
var hand = (this._xhrDfd = (this.ioMethod || dojo.xhrGet)(getArgs));
|
|
|
|
|
|
|
|
hand.addCallback(function(html){
|
|
|
|
try{
|
|
|
|
self._isDownloaded = true;
|
|
|
|
self._setContent(html, false);
|
|
|
|
self.onDownloadEnd();
|
|
|
|
}catch(err){
|
|
|
|
self._onError('Content', err); // onContentError
|
|
|
|
}
|
|
|
|
delete self._xhrDfd;
|
|
|
|
return html;
|
|
|
|
});
|
|
|
|
|
|
|
|
hand.addErrback(function(err){
|
|
|
|
if(!hand.canceled){
|
|
|
|
// show error message in the pane
|
|
|
|
self._onError('Download', err); // onDownloadError
|
|
|
|
}
|
|
|
|
delete self._xhrDfd;
|
|
|
|
return err;
|
|
|
|
});
|
|
|
|
|
|
|
|
// Remove flag saying that a load is needed
|
|
|
|
delete this._hrefChanged;
|
|
|
|
},
|
|
|
|
|
|
|
|
_onLoadHandler: function(data){
|
|
|
|
// summary:
|
|
|
|
// This is called whenever new content is being loaded
|
|
|
|
this._set("isLoaded", true);
|
|
|
|
try{
|
|
|
|
this.onLoadDeferred.callback(data);
|
|
|
|
}catch(e){
|
|
|
|
console.error('Error '+this.widgetId+' running custom onLoad code: ' + e.message);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
_onUnloadHandler: function(){
|
|
|
|
// summary:
|
|
|
|
// This is called whenever the content is being unloaded
|
|
|
|
this._set("isLoaded", false);
|
|
|
|
try{
|
|
|
|
this.onUnload();
|
|
|
|
}catch(e){
|
|
|
|
console.error('Error '+this.widgetId+' running custom onUnload code: ' + e.message);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
destroyDescendants: function(){
|
|
|
|
// summary:
|
|
|
|
// Destroy all the widgets inside the ContentPane and empty containerNode
|
|
|
|
|
|
|
|
// Make sure we call onUnload (but only when the ContentPane has real content)
|
|
|
|
if(this.isLoaded){
|
|
|
|
this._onUnloadHandler();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Even if this.isLoaded == false there might still be a "Loading..." message
|
|
|
|
// to erase, so continue...
|
|
|
|
|
|
|
|
// For historical reasons we need to delete all widgets under this.containerNode,
|
|
|
|
// even ones that the user has created manually.
|
|
|
|
var setter = this._contentSetter;
|
|
|
|
dojo.forEach(this.getChildren(), function(widget){
|
|
|
|
if(widget.destroyRecursive){
|
|
|
|
widget.destroyRecursive();
|
|
|
|
}
|
|
|
|
});
|
|
|
|
if(setter){
|
|
|
|
// Most of the widgets in setter.parseResults have already been destroyed, but
|
|
|
|
// things like Menu that have been moved to <body> haven't yet
|
|
|
|
dojo.forEach(setter.parseResults, function(widget){
|
|
|
|
if(widget.destroyRecursive && widget.domNode && widget.domNode.parentNode == dojo.body()){
|
|
|
|
widget.destroyRecursive();
|
|
|
|
}
|
|
|
|
});
|
|
|
|
delete setter.parseResults;
|
|
|
|
}
|
|
|
|
|
|
|
|
// And then clear away all the DOM nodes
|
|
|
|
dojo.html._emptyNode(this.containerNode);
|
|
|
|
|
|
|
|
// Delete any state information we have about current contents
|
|
|
|
delete this._singleChild;
|
|
|
|
},
|
|
|
|
|
|
|
|
_setContent: function(/*String|DocumentFragment*/ cont, /*Boolean*/ isFakeContent){
|
|
|
|
// summary:
|
|
|
|
// Insert the content into the container node
|
|
|
|
|
|
|
|
// first get rid of child widgets
|
|
|
|
this.destroyDescendants();
|
|
|
|
|
|
|
|
// dojo.html.set will take care of the rest of the details
|
|
|
|
// we provide an override for the error handling to ensure the widget gets the errors
|
|
|
|
// configure the setter instance with only the relevant widget instance properties
|
|
|
|
// NOTE: unless we hook into attr, or provide property setters for each property,
|
|
|
|
// we need to re-configure the ContentSetter with each use
|
|
|
|
var setter = this._contentSetter;
|
|
|
|
if(! (setter && setter instanceof dojo.html._ContentSetter)){
|
|
|
|
setter = this._contentSetter = new dojo.html._ContentSetter({
|
|
|
|
node: this.containerNode,
|
|
|
|
_onError: dojo.hitch(this, this._onError),
|
|
|
|
onContentError: dojo.hitch(this, function(e){
|
|
|
|
// fires if a domfault occurs when we are appending this.errorMessage
|
|
|
|
// like for instance if domNode is a UL and we try append a DIV
|
|
|
|
var errMess = this.onContentError(e);
|
|
|
|
try{
|
|
|
|
this.containerNode.innerHTML = errMess;
|
|
|
|
}catch(e){
|
|
|
|
console.error('Fatal '+this.id+' could not change content due to '+e.message, e);
|
|
|
|
}
|
|
|
|
})/*,
|
|
|
|
_onError */
|
|
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
var setterParams = dojo.mixin({
|
|
|
|
cleanContent: this.cleanContent,
|
|
|
|
extractContent: this.extractContent,
|
|
|
|
parseContent: this.parseOnLoad,
|
|
|
|
parserScope: this.parserScope,
|
|
|
|
startup: false,
|
|
|
|
dir: this.dir,
|
|
|
|
lang: this.lang
|
|
|
|
}, this._contentSetterParams || {});
|
|
|
|
|
|
|
|
setter.set( (dojo.isObject(cont) && cont.domNode) ? cont.domNode : cont, setterParams );
|
|
|
|
|
|
|
|
// setter params must be pulled afresh from the ContentPane each time
|
|
|
|
delete this._contentSetterParams;
|
|
|
|
|
|
|
|
if(this.doLayout){
|
|
|
|
this._checkIfSingleChild();
|
|
|
|
}
|
|
|
|
|
|
|
|
if(!isFakeContent){
|
|
|
|
if(this._started){
|
|
|
|
// Startup each top level child widget (and they will start their children, recursively)
|
|
|
|
this._startChildren();
|
|
|
|
|
|
|
|
// Call resize() on each of my child layout widgets,
|
|
|
|
// or resize() on my single child layout widget...
|
|
|
|
// either now (if I'm currently visible) or when I become visible
|
|
|
|
this._scheduleLayout();
|
|
|
|
}
|
|
|
|
|
|
|
|
this._onLoadHandler(cont);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
_onError: function(type, err, consoleText){
|
|
|
|
this.onLoadDeferred.errback(err);
|
|
|
|
|
|
|
|
// shows user the string that is returned by on[type]Error
|
|
|
|
// override on[type]Error and return your own string to customize
|
|
|
|
var errText = this['on' + type + 'Error'].call(this, err);
|
|
|
|
if(consoleText){
|
|
|
|
console.error(consoleText, err);
|
|
|
|
}else if(errText){// a empty string won't change current content
|
|
|
|
this._setContent(errText, true);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
// EVENT's, should be overide-able
|
|
|
|
onLoad: function(data){
|
|
|
|
// summary:
|
|
|
|
// Event hook, is called after everything is loaded and widgetified
|
|
|
|
// tags:
|
|
|
|
// callback
|
|
|
|
},
|
|
|
|
|
|
|
|
onUnload: function(){
|
|
|
|
// summary:
|
|
|
|
// Event hook, is called before old content is cleared
|
|
|
|
// tags:
|
|
|
|
// callback
|
|
|
|
},
|
|
|
|
|
|
|
|
onDownloadStart: function(){
|
|
|
|
// summary:
|
|
|
|
// Called before download starts.
|
|
|
|
// description:
|
|
|
|
// The string returned by this function will be the html
|
|
|
|
// that tells the user we are loading something.
|
|
|
|
// Override with your own function if you want to change text.
|
|
|
|
// tags:
|
|
|
|
// extension
|
|
|
|
return this.loadingMessage;
|
|
|
|
},
|
|
|
|
|
|
|
|
onContentError: function(/*Error*/ error){
|
|
|
|
// summary:
|
|
|
|
// Called on DOM faults, require faults etc. in content.
|
|
|
|
//
|
|
|
|
// In order to display an error message in the pane, return
|
|
|
|
// the error message from this method, as an HTML string.
|
|
|
|
//
|
|
|
|
// By default (if this method is not overriden), it returns
|
|
|
|
// nothing, so the error message is just printed to the console.
|
|
|
|
// tags:
|
|
|
|
// extension
|
|
|
|
},
|
|
|
|
|
|
|
|
onDownloadError: function(/*Error*/ error){
|
|
|
|
// summary:
|
|
|
|
// Called when download error occurs.
|
|
|
|
//
|
|
|
|
// In order to display an error message in the pane, return
|
|
|
|
// the error message from this method, as an HTML string.
|
|
|
|
//
|
|
|
|
// Default behavior (if this method is not overriden) is to display
|
|
|
|
// the error message inside the pane.
|
|
|
|
// tags:
|
|
|
|
// extension
|
|
|
|
return this.errorMessage;
|
|
|
|
},
|
|
|
|
|
|
|
|
onDownloadEnd: function(){
|
|
|
|
// summary:
|
|
|
|
// Called when download is finished.
|
|
|
|
// tags:
|
|
|
|
// callback
|
|
|
|
}
|
2010-11-15 08:39:52 +01:00
|
|
|
});
|
2011-11-08 17:40:44 +01:00
|
|
|
|
2010-11-15 08:39:52 +01:00
|
|
|
}
|