//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

MooTools.More = {
	'version': '1.2.3.1'
};

/*
Script: Class.Refactor.js
	Extends a class onto itself with new property, preserving any items attached to the class's namespace.

	License:
		MIT-style license.

	Authors:
		Aaron Newton
*/

Class.refactor = function(original, refactors){

	$each(refactors, function(item, name){
		var origin = original.prototype[name];
		if (origin && (origin = origin._origin) && typeof item == 'function') original.implement(name, function(){
			var old = this.previous;
			this.previous = origin;
			var value = item.apply(this, arguments);
			this.previous = old;
			return value;
		}); else original.implement(name, item);
	});

	return original;

};

/*
Script: URI.js
	Provides methods useful in managing the window location and uris.

	License:
		MIT-style license.

	Authors:
		Sebastian Markbåge, Aaron Newton
*/

var URI = new Class({

	Implements: Options,

	/*
	options: {
		base: false
	},
	*/

	regex: /^(?:(\w+):)?(?:\/\/(?:(?:([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)?(\.\.?$|(?:[^?#\/]*\/)*)([^?#]*)(?:\?([^#]*))?(?:#(.*))?/,
	parts: ['scheme', 'user', 'password', 'host', 'port', 'directory', 'file', 'query', 'fragment'],
	schemes: { http: 80, https: 443, ftp: 21, rtsp: 554, mms: 1755, file: 0 },

	initialize: function(uri, options){
		this.setOptions(options);
		var base = this.options.base || URI.base;
		uri = uri || base;
		if (uri && uri.parsed)
			this.parsed = $unlink(uri.parsed);
		else
			this.set('value', uri.href || uri.toString(), base ? new URI(base) : false);
	},

	parse: function(value, base){
		var bits = value.match(this.regex);
		if (!bits) return false;
		bits.shift();
		return this.merge(bits.associate(this.parts), base);
	},

	merge: function(bits, base){
		if ((!bits || !bits.scheme) && (!base || !base.scheme)) return false;
		if (base){
			this.parts.every(function(part){
				if (bits[part]) return false;
				bits[part] = base[part] || '';
				return true;
			});
		}
		bits.port = bits.port || this.schemes[bits.scheme.toLowerCase()];
		bits.directory = bits.directory ? this.parseDirectory(bits.directory, base ? base.directory : '') : '/';
		return bits;
	},

	parseDirectory: function(directory, baseDirectory) {
		directory = (directory.substr(0, 1) == '/' ? '' : (baseDirectory || '/')) + directory;
		if (!directory.test(URI.regs.directoryDot)) return directory;
		var result = [];
		directory.replace(URI.regs.endSlash, '').split('/').each(function(dir){
			if (dir == '..' && result.length > 0) result.pop();
			else if (dir != '.') result.push(dir);
		});
		return result.join('/') + '/';
	},

	combine: function(bits){
		return bits.value || bits.scheme + '://' +
			(bits.user ? bits.user + (bits.password ? ':' + bits.password : '') + '@' : '') +
			(bits.host || '') + (bits.port && bits.port != this.schemes[bits.scheme] ? ':' + bits.port : '') +
			(bits.directory || '/') + (bits.file || '') +
			(bits.query ? '?' + bits.query : '') +
			(bits.fragment ? '#' + bits.fragment : '');
	},

	set: function(part, value, base){
		if (part == 'value'){
			var scheme = value.match(URI.regs.scheme);
			if (scheme) scheme = scheme[1];
			if (scheme && !$defined(this.schemes[scheme.toLowerCase()])) this.parsed = { scheme: scheme, value: value };
			else this.parsed = this.parse(value, (base || this).parsed) || (scheme ? { scheme: scheme, value: value } : { value: value });
		} else if (part == 'data') {
			this.setData(value);
		} else {
			this.parsed[part] = value;
		}
		return this;
	},

	get: function(part, base){
		switch(part){
			case 'value': return this.combine(this.parsed, base ? base.parsed : false);
			case 'data' : return this.getData();
		}
		return this.parsed[part] || undefined;
	},

	go: function(){
		document.location.href = this.toString();
	},

	toURI: function(){
		return this;
	},

	getData: function(key, part){
		var qs = this.get(part || 'query');
		if (!$chk(qs)) return key ? null : {};
		var obj = qs.parseQueryString();
		return key ? obj[key] : obj;
	},

	setData: function(values, merge, part){
		if ($type(arguments[0]) == 'string'){ 
			values = this.getData(); 
			values[arguments[0]] = arguments[1]; 
		} else if (merge) {
			values = $merge(this.getData(), values);
		}
		return this.set(part || 'query', Hash.toQueryString(values));
	},

	clearData: function(part){
		return this.set(part || 'query', '');
	}

});

['toString', 'valueOf'].each(function(method){
	URI.prototype[method] = function(){
		return this.get('value');
	};
});


URI.regs = {
	endSlash: /\/$/,
	scheme: /^(\w+):/,
	directoryDot: /\.\/|\.$/
};

URI.base = new URI($$('base[href]').getLast(), { base: document.location });

String.implement({

	toURI: function(options){ return new URI(this, options); }

});