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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["dojox.lang.oo.rearrange"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.lang.oo.rearrange"] = true;
dojo.provide("dojox.lang.oo.rearrange");
(function(){
var extraNames = dojo._extraNames, extraLen = extraNames.length,
opts = Object.prototype.toString, empty = {};
dojox.lang.oo.rearrange = function(bag, map){
// summary:
// Process properties in place by removing and renaming them.
// description:
// Properties of an object are to be renamed or removed specified
// by "map" argument. Only own properties of "map" are processed.
// example:
// | oo.rearrange(bag, {
// | abc: "def", // rename "abc" attribute to "def"
// | ghi: null // remove/hide "ghi" attribute
// | });
// bag: Object:
// the object to be processed
// map: Object:
// the dictionary for renaming (false value indicates removal of the named property)
// returns: Object:
// the original object
var name, newName, prop, i, t;
for(name in map){
newName = map[name];
if(!newName || opts.call(newName) == "[object String]"){
prop = bag[name];
if(!(name in empty) || empty[name] !== prop){
if(!(delete bag[name])){
// can't delete => hide it
bag[name] = undefined;
}
if(newName){
bag[newName] = prop;
}
}
}
}
if(extraLen){
for(i = 0; i < extraLen; ++i){
name = extraNames[i];
// repeating the body above
newName = map[name];
if(!newName || opts.call(newName) == "[object String]"){
prop = bag[name];
if(!(name in empty) || empty[name] !== prop){
if(!(delete bag[name])){
// can't delete => hide it
bag[name] = undefined;
}
if(newName){
bag[newName] = prop;
}
}
}
}
}
return bag; // Object
};
})();
}
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