/*
 * 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($) {
// This adds a selector to check if data exists.
jQuery.extend(jQuery.expr[':'], { 
data: "jQuery.data(a, m[3])"
});
$.ui = {
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];
},
disableSelection: function(el) {
$(el).attr('unselectable', 'on').css('MozUserSelect', 'none');
},
enableSelection: function(el) {
$(el).attr('unselectable', 'off').css('MozUserSelect', '');
},
hasScroll: function(e, a) {
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 core modifications and additions **/
var _remove = $.fn.remove;
$.fn.remove = function() {
$("*", this).add(this).triggerHandler("remove");
return _remove.apply(this, arguments );
};
// $.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) {
var methods = $[namespace][plugin].getter || [];
methods = (typeof methods == "string" ? methods.split(/,?\s+/) : methods);
return ($.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);
if (isMethodCall && getter(namespace, name, options)) {
var instance = $.data(this[0], name);
return (instance ? instance[options].apply(instance, args)
: undefined);
}
return this.each(function() {
var instance = $.data(this, name);
if (isMethodCall && instance && $.isFunction(instance[options])) {
instance[options].apply(instance, args);
} else if (!isMethodCall) {
$.data(this, name, new $[namespace][name](this, options));
}
});
};
// create widget constructor
$[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, 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);
};
$.widget.prototype = {
init: function() {},
destroy: function() {
this.element.removeData(this.widgetName);
},
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 **/
$.ui.mouse = {
mouseInit: function() {
var self = this;
this.element.bind('mousedown.'+this.widgetName, function(e) {
return self.mouseDown(e);
});
// Prevent text selection in IE
if ($.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.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);