e44a7e37b6
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
445 lines
14 KiB
JavaScript
445 lines
14 KiB
JavaScript
if(!dojo._hasResource["dijit.layout.ContentPane"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
|
|
dojo._hasResource["dijit.layout.ContentPane"] = true;
|
|
dojo.provide("dijit.layout.ContentPane");
|
|
|
|
dojo.require("dijit._Widget");
|
|
dojo.require("dijit.layout._LayoutWidget");
|
|
|
|
dojo.require("dojo.parser");
|
|
dojo.require("dojo.string");
|
|
dojo.requireLocalization("dijit", "loading", null, "zh,pt,da,tr,ru,ROOT,de,sv,ja,he,fi,nb,el,ar,pt-pt,cs,fr,es,ko,nl,zh-tw,pl,it,hu");
|
|
|
|
dojo.declare(
|
|
"dijit.layout.ContentPane",
|
|
dijit._Widget,
|
|
{
|
|
// summary:
|
|
// A widget that acts as a Container for other widgets, and includes a ajax interface
|
|
// description:
|
|
// A widget that can be used as a standalone widget
|
|
// or as a baseclass for other widgets
|
|
// Handles replacement of document fragment using either external uri or javascript
|
|
// generated markup or DOM content, instantiating widgets within that content.
|
|
// Don't confuse it with an iframe, it only needs/wants document fragments.
|
|
// It's useful as a child of LayoutContainer, SplitContainer, or TabContainer.
|
|
// But note that those classes can contain any widget as a child.
|
|
// example:
|
|
// Some quick samples:
|
|
// To change the innerHTML use .setContent('<b>new content</b>')
|
|
//
|
|
// Or you can send it a NodeList, .setContent(dojo.query('div [class=selected]', userSelection))
|
|
// please note that the nodes in NodeList will copied, not moved
|
|
//
|
|
// To do a ajax update use .setHref('url')
|
|
//
|
|
// href: String
|
|
// The href of the content that displays now.
|
|
// Set this at construction if you want to load data externally when the
|
|
// pane is shown. (Set preload=true to load it immediately.)
|
|
// Changing href after creation doesn't have any effect; see setHref();
|
|
href: "",
|
|
|
|
// extractContent: Boolean
|
|
// Extract visible content from inside of <body> .... </body>
|
|
extractContent: false,
|
|
|
|
// parseOnLoad: Boolean
|
|
// parse content and create the widgets, if any
|
|
parseOnLoad: true,
|
|
|
|
// preventCache: Boolean
|
|
// Cache content retreived externally
|
|
preventCache: false,
|
|
|
|
// preload: Boolean
|
|
// Force load of data even if pane is hidden.
|
|
preload: false,
|
|
|
|
// refreshOnShow: Boolean
|
|
// Refresh (re-download) content when pane goes from hidden to shown
|
|
refreshOnShow: false,
|
|
|
|
// loadingMessage: String
|
|
// Message that shows while downloading
|
|
loadingMessage: "<span class='dijitContentPaneLoading'>${loadingState}</span>",
|
|
|
|
// errorMessage: String
|
|
// Message that shows if an error occurs
|
|
errorMessage: "<span class='dijitContentPaneError'>${errorState}</span>",
|
|
|
|
// isLoaded: Boolean
|
|
// Tells loading status see onLoad|onUnload for event hooks
|
|
isLoaded: false,
|
|
|
|
// class: String
|
|
// Class name to apply to ContentPane dom nodes
|
|
// TODO: this should be called "baseClass" like in the other widgets
|
|
"class": "dijitContentPane",
|
|
|
|
// doLayout: String/Boolean
|
|
// false - don't adjust size of children
|
|
// true - looks for the first sizable child widget (ie, having resize() method) and sets it's size to
|
|
// however big the ContentPane is (TODO: implement)
|
|
// auto - if there is a single sizable child widget (ie, having resize() method), set it's size to
|
|
// however big the ContentPane is
|
|
doLayout: "auto",
|
|
|
|
postCreate: function(){
|
|
// remove the title attribute so it doesn't show up when i hover
|
|
// over a node
|
|
this.domNode.title = "";
|
|
|
|
if(!this.containerNode){
|
|
// make getDescendants() work
|
|
this.containerNode = this.domNode;
|
|
}
|
|
|
|
if(this.preload){
|
|
this._loadCheck();
|
|
}
|
|
|
|
var messages = dojo.i18n.getLocalization("dijit", "loading", this.lang);
|
|
this.loadingMessage = dojo.string.substitute(this.loadingMessage, messages);
|
|
this.errorMessage = dojo.string.substitute(this.errorMessage, messages);
|
|
var curRole = dijit.getWaiRole(this.domNode);
|
|
if (!curRole){
|
|
dijit.setWaiRole(this.domNode, "group");
|
|
}
|
|
|
|
// for programatically created ContentPane (with <span> tag), need to muck w/CSS
|
|
// or it's as though overflow:visible is set
|
|
dojo.addClass(this.domNode, this["class"]);
|
|
},
|
|
|
|
startup: function(){
|
|
if(this._started){ return; }
|
|
if(this.doLayout != "false" && this.doLayout !== false){
|
|
this._checkIfSingleChild();
|
|
if(this._singleChild){
|
|
this._singleChild.startup();
|
|
}
|
|
}
|
|
this._loadCheck();
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
_checkIfSingleChild: function(){
|
|
// summary:
|
|
// Test if we have exactly one widget as a child, and if so assume that we are a container for that widget,
|
|
// and should propogate startup() and resize() calls to it.
|
|
|
|
// TODO: if there are two child widgets (a data store and a TabContainer, for example),
|
|
// should still find the TabContainer
|
|
var childNodes = dojo.query(">", this.containerNode || this.domNode),
|
|
childWidgets = childNodes.filter("[widgetId]");
|
|
|
|
if(childNodes.length == 1 && childWidgets.length == 1){
|
|
this.isContainer = true;
|
|
this._singleChild = dijit.byNode(childWidgets[0]);
|
|
}else{
|
|
delete this.isContainer;
|
|
delete this._singleChild;
|
|
}
|
|
},
|
|
|
|
refresh: function(){
|
|
// summary:
|
|
// Force a refresh (re-download) of content, be sure to turn off cache
|
|
|
|
// we return result of _prepareLoad here to avoid code dup. in dojox.layout.ContentPane
|
|
return this._prepareLoad(true);
|
|
},
|
|
|
|
setHref: function(/*String|Uri*/ href){
|
|
// summary:
|
|
// Reset the (external defined) content of this pane and replace with new url
|
|
// Note: It delays the download until widget is shown if preload is false
|
|
// href:
|
|
// url to the page you want to get, must be within the same domain as your mainpage
|
|
this.href = href;
|
|
|
|
// we return result of _prepareLoad here to avoid code dup. in dojox.layout.ContentPane
|
|
return this._prepareLoad();
|
|
},
|
|
|
|
setContent: function(/*String|DomNode|Nodelist*/data){
|
|
// summary:
|
|
// Replaces old content with data content, include style classes from old content
|
|
// data:
|
|
// the new Content may be String, DomNode or NodeList
|
|
//
|
|
// if data is a NodeList (or an array of nodes) nodes are copied
|
|
// so you can import nodes from another document implicitly
|
|
|
|
// clear href so we cant run refresh and clear content
|
|
// refresh should only work if we downloaded the content
|
|
if(!this._isDownloaded){
|
|
this.href = "";
|
|
this._onUnloadHandler();
|
|
}
|
|
|
|
this._setContent(data || "");
|
|
|
|
this._isDownloaded = false; // must be set after _setContent(..), pathadjust in dojox.layout.ContentPane
|
|
|
|
if(this.parseOnLoad){
|
|
this._createSubWidgets();
|
|
}
|
|
|
|
if(this.doLayout != "false" && this.doLayout !== false){
|
|
this._checkIfSingleChild();
|
|
if(this._singleChild && this._singleChild.resize){
|
|
this._singleChild.startup();
|
|
this._singleChild.resize(this._contentBox || dojo.contentBox(this.containerNode || this.domNode));
|
|
}
|
|
}
|
|
|
|
this._onLoadHandler();
|
|
},
|
|
|
|
cancel: function(){
|
|
// summary:
|
|
// Cancels a inflight download of content
|
|
if(this._xhrDfd && (this._xhrDfd.fired == -1)){
|
|
this._xhrDfd.cancel();
|
|
}
|
|
delete this._xhrDfd; // garbage collect
|
|
},
|
|
|
|
destroy: function(){
|
|
// if we have multiple controllers destroying us, bail after the first
|
|
if(this._beingDestroyed){
|
|
return;
|
|
}
|
|
// make sure we call onUnload
|
|
this._onUnloadHandler();
|
|
this._beingDestroyed = true;
|
|
this.inherited("destroy",arguments);
|
|
},
|
|
|
|
resize: function(size){
|
|
dojo.marginBox(this.domNode, size);
|
|
|
|
// Compute content box size in case we [later] need to size child
|
|
// If either height or width wasn't specified by the user, then query node for it.
|
|
// But note that setting the margin box and then immediately querying dimensions may return
|
|
// inaccurate results, so try not to depend on it.
|
|
var node = this.containerNode || this.domNode,
|
|
mb = dojo.mixin(dojo.marginBox(node), size||{});
|
|
|
|
this._contentBox = dijit.layout.marginBox2contentBox(node, mb);
|
|
|
|
// If we have a single widget child then size it to fit snugly within my borders
|
|
if(this._singleChild && this._singleChild.resize){
|
|
this._singleChild.resize(this._contentBox);
|
|
}
|
|
},
|
|
|
|
_prepareLoad: function(forceLoad){
|
|
// sets up for a xhrLoad, load is deferred until widget onShow
|
|
// cancels a inflight download
|
|
this.cancel();
|
|
this.isLoaded = false;
|
|
this._loadCheck(forceLoad);
|
|
},
|
|
|
|
_isShown: function(){
|
|
// summary: returns true if the content is currently shown
|
|
if("open" in this){
|
|
return this.open; // for TitlePane, etc.
|
|
}else{
|
|
var node = this.domNode;
|
|
return (node.style.display != 'none') && (node.style.visibility != 'hidden');
|
|
}
|
|
},
|
|
|
|
_loadCheck: function(/*Boolean*/ forceLoad){
|
|
// call this when you change onShow (onSelected) status when selected in parent container
|
|
// it's used as a trigger for href download when this.domNode.display != 'none'
|
|
|
|
// sequence:
|
|
// if no href -> bail
|
|
// forceLoad -> always load
|
|
// this.preload -> load when download not in progress, domNode display doesn't matter
|
|
// this.refreshOnShow -> load when download in progress bails, domNode display !='none' AND
|
|
// this.open !== false (undefined is ok), isLoaded doesn't matter
|
|
// else -> load when download not in progress, if this.open !== false (undefined is ok) AND
|
|
// domNode display != 'none', isLoaded must be false
|
|
|
|
var displayState = this._isShown();
|
|
|
|
if(this.href &&
|
|
(forceLoad ||
|
|
(this.preload && !this._xhrDfd) ||
|
|
(this.refreshOnShow && displayState && !this._xhrDfd) ||
|
|
(!this.isLoaded && displayState && !this._xhrDfd)
|
|
)
|
|
){
|
|
this._downloadExternalContent();
|
|
}
|
|
},
|
|
|
|
_downloadExternalContent: function(){
|
|
this._onUnloadHandler();
|
|
|
|
// display loading message
|
|
this._setContent(
|
|
this.onDownloadStart.call(this)
|
|
);
|
|
|
|
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.onDownloadEnd.call(self);
|
|
self._isDownloaded = true;
|
|
self.setContent.call(self, html); // onload event is called from here
|
|
}catch(err){
|
|
self._onError.call(self, 'Content', err); // onContentError
|
|
}
|
|
delete self._xhrDfd;
|
|
return html;
|
|
});
|
|
|
|
hand.addErrback(function(err){
|
|
if(!hand.cancelled){
|
|
// show error message in the pane
|
|
self._onError.call(self, 'Download', err); // onDownloadError
|
|
}
|
|
delete self._xhrDfd;
|
|
return err;
|
|
});
|
|
},
|
|
|
|
_onLoadHandler: function(){
|
|
this.isLoaded = true;
|
|
try{
|
|
this.onLoad.call(this);
|
|
}catch(e){
|
|
console.error('Error '+this.widgetId+' running custom onLoad code');
|
|
}
|
|
},
|
|
|
|
_onUnloadHandler: function(){
|
|
this.isLoaded = false;
|
|
this.cancel();
|
|
try{
|
|
this.onUnload.call(this);
|
|
}catch(e){
|
|
console.error('Error '+this.widgetId+' running custom onUnload code');
|
|
}
|
|
},
|
|
|
|
_setContent: function(cont){
|
|
this.destroyDescendants();
|
|
|
|
try{
|
|
var node = this.containerNode || this.domNode;
|
|
while(node.firstChild){
|
|
dojo._destroyElement(node.firstChild);
|
|
}
|
|
if(typeof cont == "string"){
|
|
// dijit.ContentPane does only minimal fixes,
|
|
// No pathAdjustments, script retrieval, style clean etc
|
|
// some of these should be available in the dojox.layout.ContentPane
|
|
if(this.extractContent){
|
|
match = cont.match(/<body[^>]*>\s*([\s\S]+)\s*<\/body>/im);
|
|
if(match){ cont = match[1]; }
|
|
}
|
|
node.innerHTML = cont;
|
|
}else{
|
|
// domNode or NodeList
|
|
if(cont.nodeType){ // domNode (htmlNode 1 or textNode 3)
|
|
node.appendChild(cont);
|
|
}else{// nodelist or array such as dojo.Nodelist
|
|
dojo.forEach(cont, function(n){
|
|
node.appendChild(n.cloneNode(true));
|
|
});
|
|
}
|
|
}
|
|
}catch(e){
|
|
// check 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{
|
|
node.innerHTML = errMess;
|
|
}catch(e){
|
|
console.error('Fatal '+this.id+' could not change content due to '+e.message, e);
|
|
}
|
|
}
|
|
},
|
|
|
|
_onError: function(type, err, consoleText){
|
|
// shows user the string that is returned by on[type]Error
|
|
// overide 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.call(this, errText);
|
|
}
|
|
},
|
|
|
|
_createSubWidgets: function(){
|
|
// summary: scan my contents and create subwidgets
|
|
var rootNode = this.containerNode || this.domNode;
|
|
try{
|
|
dojo.parser.parse(rootNode, true);
|
|
}catch(e){
|
|
this._onError('Content', e, "Couldn't create widgets in "+this.id
|
|
+(this.href ? " from "+this.href : ""));
|
|
}
|
|
},
|
|
|
|
// EVENT's, should be overide-able
|
|
onLoad: function(e){
|
|
// summary:
|
|
// Event hook, is called after everything is loaded and widgetified
|
|
},
|
|
|
|
onUnload: function(e){
|
|
// summary:
|
|
// Event hook, is called before old content is cleared
|
|
},
|
|
|
|
onDownloadStart: function(){
|
|
// summary:
|
|
// called before download starts
|
|
// 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
|
|
return this.loadingMessage;
|
|
},
|
|
|
|
onContentError: function(/*Error*/ error){
|
|
// summary:
|
|
// called on DOM faults, require fault etc in content
|
|
// default is to display errormessage inside pane
|
|
},
|
|
|
|
onDownloadError: function(/*Error*/ error){
|
|
// summary:
|
|
// Called when download error occurs, default is to display
|
|
// errormessage inside pane. Overide function to change that.
|
|
// The string returned by this function will be the html
|
|
// that tells the user a error happend
|
|
return this.errorMessage;
|
|
},
|
|
|
|
onDownloadEnd: function(){
|
|
// summary:
|
|
// called when download is finished
|
|
}
|
|
});
|
|
|
|
}
|