/*
 * jQuery UI @VERSION
 *
 * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 */
;(function($) {
/** jQuery core modifications and additions **/
$.keyCode = {
BACKSPACE: 8,
CAPS_LOCK: 20,
COMMA: 188,
CONTROL: 17,
DELETE: 46,
DOWN: 40,
END: 35,
ENTER: 13,
ESCAPE: 27,
HOME: 36,
INSERT: 45,
LEFT: 37,
NUMPAD_ADD: 107,
NUMPAD_DECIMAL: 110,
NUMPAD_DIVIDE: 111,
NUMPAD_ENTER: 108,
NUMPAD_MULTIPLY: 106,
NUMPAD_SUBTRACT: 109,
PAGE_DOWN: 34,
PAGE_UP: 33,
PERIOD: 190,
RIGHT: 39,
SHIFT: 16,
SPACE: 32,
TAB: 9,
UP: 38
};
//Temporary mappings
var _remove = $.fn.remove;
var isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
//Helper functions and ui object
$.ui = {
version: "@VERSION",
// $.ui.plugin is deprecated.  Use the proxy pattern instead.
plugin: {
	add: function(module, option, set) {
	var proto = $.ui[module].prototype;
	for(var i in set) {
		proto.plugins[i] = proto.plugins[i] || [];
		proto.plugins[i].push([option, set[i]]);
	}
	},
	call: function(instance, name, args) {
	var set = instance.plugins[name];
	if(!set) { return; }
	
	for (var i = 0; i < set.length; i++) {
		if (instance.options[set[i][0]]) {
		set[i][1].apply(instance.element, args);
		}
	}
	}
},
cssCache: {},
css: function(name) {
	if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
	var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
	
	//if (!$.browser.safari)
	//tmp.appendTo('body');
	
	//Opera and Safari set width and height to 0px instead of auto
	//Safari returns rgba(0,0,0,0) when bgcolor is not set
	$.ui.cssCache[name] = !!(
	(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || 
	!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
	);
	try { $('body').get(0).removeChild(tmp.get(0));} catch(e){}
	return $.ui.cssCache[name];
},
hasScroll: function(e, a) {
	
	//If overflow is hidden, the element might have extra content, but the user wants to hide it
	if ($(e).css('overflow') == 'hidden') { return false; }
	
	var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
	has = false;
	
	if (e[scroll] > 0) { return true; }
	
	// TODO: determine which cases actually cause this to happen
	// if the element doesn't have the scroll set, see if it's possible to
	// set the scroll
	e[scroll] = 1;
	has = (e[scroll] > 0);
	e[scroll] = 0;
	return has;
}
};
//jQuery plugins
$.fn.extend({
remove: function() {
	// Safari has a native remove event which actually removes DOM elements,
	// so we have to use triggerHandler instead of trigger (#3037).
	$("*", this).add(this).each(function() {
	$(this).triggerHandler("remove");
	});
	return _remove.apply(this, arguments );
},
enableSelection: function() {
	return this
	.attr('unselectable', 'off')
	.css('MozUserSelect', '')
	.unbind('selectstart.ui');
},
disableSelection: function() {
	return this
	.attr('unselectable', 'on')
	.css('MozUserSelect', 'none')
	.bind('selectstart.ui', function() { return false; });
},
// WAI-ARIA Semantics
ariaRole: function(role) {
	return (role !== undefined
	
	// setter
	? this.attr("role", isFF2 ? "wairole:" + role : role)
	
	// getter
	: (this.attr("role") || "").replace(/^wairole:/, ""));
},
ariaState: function(state, value) {
	return (value !== undefined
	
	// setter
	? this.each(function(i, el) {
		(isFF2
		? el.setAttributeNS("http://www.w3.org/2005/07/aaa",
			"aaa:" + state, value)
		: $(el).attr("aria-" + state, value));
	})
	
	// getter
	: this.attr(isFF2 ? "aaa:" + state : "aria-" + state));
}
});
//Additional selectors
$.extend($.expr[':'], {
data: function(a, i, m) {
	return $.data(a, m[3]);
},
// TODO: add support for object, area
tabbable: function(a, i, m) {
	var nodeName = a.nodeName.toLowerCase();
	var isVisible = function(element) {
	function checkStyles(element) {
		var style = element.style;
		return (style.display != 'none' && style.visibility != 'hidden');
	}
	
	var visible = checkStyles(element);
	
	(visible && $.each($.dir(element, 'parentNode'), function() {
		return (visible = checkStyles(this));
	}));
	
	return visible;
	};
	
	return (
	// in tab order
	a.tabIndex >= 0 &&
	
	( // filter node types that participate in the tab order
		
		// anchor tag
		('a' == nodeName && a.href) ||
		
		// enabled form element
		(/input|select|textarea|button/.test(nodeName) &&
		'hidden' != a.type && !a.disabled)
	) &&
	
	// visible on page
	isVisible(a)
	);
	
}
});
// $.widget is a factory to create jQuery plugins
// taking some boilerplate code out of the plugin code
// created by Scott González and Jörn Zaefferer
function getter(namespace, plugin, method, args) {
function getMethods(type) {
	var methods = $[namespace][plugin][type] || [];
	return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
}
var methods = getMethods('getter');
if (args.length == 1 && typeof args[0] == 'string') {
	methods = methods.concat(getMethods('getterSetter'));
}
return ($.inArray(method, methods) != -1);
}
$.widget = function(name, prototype) {
var namespace = name.split(".")[0];
name = name.split(".")[1];
// create plugin method
$.fn[name] = function(options) {
	var isMethodCall = (typeof options == 'string'),
	args = Array.prototype.slice.call(arguments, 1);
	
	// prevent calls to internal methods
	if (isMethodCall && options.substring(0, 1) == '_') {
	return this;
	}
	
	// handle getter methods
	if (isMethodCall && getter(namespace, name, options, args)) {
	var instance = $.data(this[0], name);
	return (instance ? instance[options].apply(instance, args)
		: undefined);
	}
	
	// handle initialization and non-getter methods
	return this.each(function() {
	var instance = $.data(this, name);
	
	// constructor
	(!instance && !isMethodCall &&
		$.data(this, name, new $[namespace][name](this, options)));
	
	// method call
	(instance && isMethodCall && $.isFunction(instance[options]) &&
		instance[options].apply(instance, args));
	});
};
// create widget constructor
$[namespace] = $[namespace] || {};
$[namespace][name] = function(element, options) {
	var self = this;
	
	this.widgetName = name;
	this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
	this.widgetBaseClass = namespace + '-' + name;
	
	this.options = $.extend({},
	$.widget.defaults,
	$[namespace][name].defaults,
	$.metadata && $.metadata.get(element)[name],
	options);
	
	this.element = $(element)
	.bind('setData.' + name, function(e, key, value) {
		return self._setData(key, value);
	})
	.bind('getData.' + name, function(e, key) {
		return self._getData(key);
	})
	.bind('remove', function() {
		return self.destroy();
	});
	
	this._init();
};
// add widget prototype
$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
// TODO: merge getter and getterSetter properties from widget prototype
// and plugin prototype
$[namespace][name].getterSetter = 'option';
};
$.widget.prototype = {
_init: function() {},
destroy: function() {
	this.element.removeData(this.widgetName);
},
option: function(key, value) {
	var options = key,
	self = this;
	
	if (typeof key == "string") {
	if (value === undefined) {
		return this._getData(key);
	}
	options = {};
	options[key] = value;
	}
	
	$.each(options, function(key, value) {
	self._setData(key, value);
	});
},
_getData: function(key) {
	return this.options[key];
},
_setData: function(key, value) {
	this.options[key] = value;
	
	if (key == 'disabled') {
	this.element[value ? 'addClass' : 'removeClass'](
		this.widgetBaseClass + '-disabled');
	}
},
enable: function() {
	this._setData('disabled', false);
},
disable: function() {
	this._setData('disabled', true);
},
_trigger: function(type, e, data) {
	var eventName = (type == this.widgetEventPrefix
	? type : this.widgetEventPrefix + type);
	e = e  || $.event.fix({ type: eventName, target: this.element[0] });
	return this.element.triggerHandler(eventName, [e, data], this.options[type]);
}
};
$.widget.defaults = {
disabled: false
};
/** Mouse Interaction Plugin **/
$.ui.mouse = {
_mouseInit: function() {
	var self = this;
	this.element
	.bind('mousedown.'+this.widgetName, function(e) {
		return self._mouseDown(e);
	})
	.bind('click.'+this.widgetName, function(e) {
		if(self._preventClickEvent) {
		self._preventClickEvent = false;
		return false;
		}
	});
	
	// Prevent text selection in IE
	if ($.browser.msie) {
	this._mouseUnselectable = this.element.attr('unselectable');
	this.element.attr('unselectable', 'on');
	}
	
	this.started = false;
},
// TODO: make sure destroying one instance of mouse doesn't mess with
// other instances of mouse
_mouseDestroy: function() {
	this.element.unbind('.'+this.widgetName);
	
	// Restore text selection in IE
	($.browser.msie
	&& this.element.attr('unselectable', this._mouseUnselectable));
},
_mouseDown: function(e) {
	// we may have missed mouseup (out of window)
	(this._mouseStarted && this._mouseUp(e));
	
	this._mouseDownEvent = e;
	
	var self = this,
	btnIsLeft = (e.which == 1),
	elIsCancel = (typeof this.options.cancel == "string" ? $(e.target).parents().add(e.target).filter(this.options.cancel).length : false);
	if (!btnIsLeft || elIsCancel || !this._mouseCapture(e)) {
	return true;
	}
	
	this.mouseDelayMet = !this.options.delay;
	if (!this.mouseDelayMet) {
	this._mouseDelayTimer = setTimeout(function() {
		self.mouseDelayMet = true;
	}, this.options.delay);
	}
	
	if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {
	this._mouseStarted = (this._mouseStart(e) !== false);
	if (!this._mouseStarted) {
		e.preventDefault();
		return true;
	}
	}
	
	// these delegates are required to keep context
	this._mouseMoveDelegate = function(e) {
	return self._mouseMove(e);
	};
	this._mouseUpDelegate = function(e) {
	return self._mouseUp(e);
	};
	$(document)
	.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
	.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
	
	return false;
},
_mouseMove: function(e) {
	// IE mouseup check - mouseup happened when mouse was out of window
	if ($.browser.msie && !e.button) {
	return this._mouseUp(e);
	}
	
	if (this._mouseStarted) {
	this._mouseDrag(e);
	return false;
	}
	
	if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {
	this._mouseStarted =
		(this._mouseStart(this._mouseDownEvent, e) !== false);
	(this._mouseStarted ? this._mouseDrag(e) : this._mouseUp(e));
	}
	
	return !this._mouseStarted;
},
_mouseUp: function(e) {
	$(document)
	.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
	.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
	
	if (this._mouseStarted) {
	this._mouseStarted = false;
	this._preventClickEvent = true;
	this._mouseStop(e);
	}
	
	return false;
},
_mouseDistanceMet: function(e) {
	return (Math.max(
		Math.abs(this._mouseDownEvent.pageX - e.pageX),
		Math.abs(this._mouseDownEvent.pageY - e.pageY)
	) >= this.options.distance
	);
},
_mouseDelayMet: function(e) {
	return this.mouseDelayMet;
},
// These are placeholder methods, to be overriden by extending plugin
_mouseStart: function(e) {},
_mouseDrag: function(e) {},
_mouseStop: function(e) {},
_mouseCapture: function(e) { return true; }
};
$.ui.mouse.defaults = {
cancel: null,
distance: 1,
delay: 0
};
})(jQuery);