/*
 * jQuery UI 1.5.3
 *
 * 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($) {
$.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 = /top/.test(a||"top") ? 'scrollTop' : 'scrollLeft', has = false;
  if (e[scroll] > 0) return true; e[scroll] = 1;
  has = e[scroll] > 0 ? true : false; 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.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);
 }
};
$.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);