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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dojo._base.window"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo._base.window"] = true;
dojo.provide("dojo._base.window");
/*=====
dojo.doc = {
// summary:
// Alias for the current document. 'dojo.doc' can be modified
// for temporary context shifting. Also see dojo.withDoc().
// description:
// Refer to dojo.doc rather
// than referring to 'window.document' to ensure your code runs
// correctly in managed contexts.
// example:
// | n.appendChild(dojo.doc.createElement('div'));
}
=====*/
dojo.doc = window["document"] || null;
dojo.body = function(){
// summary:
// Return the body element of the document
// return the body object associated with dojo.doc
// example:
// | dojo.body().appendChild(dojo.doc.createElement('div'));
// Note: document.body is not defined for a strict xhtml document
// Would like to memoize this, but dojo.doc can change vi dojo.withDoc().
return dojo.doc.body || dojo.doc.getElementsByTagName("body")[0]; // Node
};
dojo.setContext = function(/*Object*/globalObject, /*DocumentElement*/globalDocument){
// summary:
// changes the behavior of many core Dojo functions that deal with
// namespace and DOM lookup, changing them to work in a new global
// context (e.g., an iframe). The varibles dojo.global and dojo.doc
// are modified as a result of calling this function and the result of
// `dojo.body()` likewise differs.
dojo.global = globalObject;
dojo.doc = globalDocument;
};
dojo.withGlobal = function( /*Object*/globalObject,
/*Function*/callback,
/*Object?*/thisObject,
/*Array?*/cbArguments){
// summary:
// Invoke callback with globalObject as dojo.global and
// globalObject.document as dojo.doc.
// description:
// Invoke callback with globalObject as dojo.global and
// globalObject.document as dojo.doc. If provided, globalObject
// will be executed in the context of object thisObject
// When callback() returns or throws an error, the dojo.global
// and dojo.doc will be restored to its previous state.
var oldGlob = dojo.global;
try{
dojo.global = globalObject;
return dojo.withDoc.call(null, globalObject.document, callback, thisObject, cbArguments);
}finally{
dojo.global = oldGlob;
}
};
dojo.withDoc = function( /*DocumentElement*/documentObject,
/*Function*/callback,
/*Object?*/thisObject,
/*Array?*/cbArguments){
// summary:
// Invoke callback with documentObject as dojo.doc.
// description:
// Invoke callback with documentObject as dojo.doc. If provided,
// callback will be executed in the context of object thisObject
// When callback() returns or throws an error, the dojo.doc will
// be restored to its previous state.
var oldDoc = dojo.doc,
oldLtr = dojo._bodyLtr,
oldQ = dojo.isQuirks;
try{
dojo.doc = documentObject;
delete dojo._bodyLtr; // uncache
dojo.isQuirks = dojo.doc.compatMode == "BackCompat"; // no need to check for QuirksMode which was Opera 7 only
if(thisObject && typeof callback == "string"){
callback = thisObject[callback];
}
return callback.apply(thisObject, cbArguments || []);
}finally{
dojo.doc = oldDoc;
delete dojo._bodyLtr; // in case it was undefined originally, and set to true/false by the alternate document
if(oldLtr !== undefined){ dojo._bodyLtr = oldLtr; }
dojo.isQuirks = oldQ;
}
};
}
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