require ('mootools');

vnCustomTags = {};

var Mutators = Class.Mutators;

var _Extends = Mutators.Extends;

Mutators.Extends = function ()
{
	_Extends.apply (this, arguments);
	this.implement ({Properties: {}});
}

Mutators.Tag = function (tagName)
{
	vnCustomTags[tagName] = this;
	this.extend ({Tag: tagName});

	var parent = this.parent;

	if (parent && parent.Classes !== undefined)
	{
		var Classes = tagName
		
		if (parent.Classes !== '')
			Classes += ' '+ parent.Classes;

		this.extend ({Classes: Classes});
	}
};

Mutators.Properties = function (props)
{
	for (var propName in props)
	{
		var prop = props[propName];
		prop.configurable = true;
	
		if (!prop.get && !prop.set && prop.writable === undefined)
			prop.writable = true;
	}

	var parentProps;

	if (this.parent && (parentProps = this.parent.Properties))
	for (var propName in parentProps)
	if (!props[propName])
		props[propName] = parentProps[propName];
		
	this.extend ({Properties: props});
	Object.defineProperties (this.prototype, props);
};