1 /*

     2  * jQuery UI @VERSION

     3  *

     4  * Copyright (c) 2010 Paul Bakaus (ui.jquery.com)

     5  * Dual licensed under the MIT (MIT-LICENSE.txt)

     6  * and GPL (GPL-LICENSE.txt) licenses.

     7  *

     8  * http://docs.jquery.com/UI

     9  */

    10 ;(function($) {

    11 

    12 /** jQuery core modifications and additions **/

    13 

    14 var _remove = $.fn.remove;

    15 $.fn.remove = function() {

    16 	$("*", this).add(this).triggerHandler("remove");

    17 	return _remove.apply(this, arguments );

    18 };

    19 

    20 function isVisible(element) {

    21 	function checkStyles(element) {

    22 		var style = element.style;

    23 		return (style.display != 'none' && style.visibility != 'hidden');

    24 	}

    25 	

    26 	var visible = checkStyles(element);

    27 	

    28 	(visible && $.each($.dir(element, 'parentNode'), function() {

    29 		return (visible = checkStyles(this));

    30 	}));

    31 	

    32 	return visible;

    33 }

    34 

    35 $.extend($.expr[':'], {

    36 	data: function(a, i, m) {

    37 		return $.data(a, m[3]);

    38 	},

    39 	

    40 	// TODO: add support for object, area

    41 	tabbable: function(a, i, m) {

    42 		var nodeName = a.nodeName.toLowerCase();

    43 		

    44 		return (

    45 			// in tab order

    46 			a.tabIndex >= 0 &&

    47 			

    48 			( // filter node types that participate in the tab order

    49 				

    50 				// anchor tag

    51 				('a' == nodeName && a.href) ||

    52 				

    53 				// enabled form element

    54 				(/input|select|textarea|button/.test(nodeName) &&

    55 					'hidden' != a.type && !a.disabled)

    56 			) &&

    57 			

    58 			// visible on page

    59 			isVisible(a)

    60 		);

    61 	}

    62 });

    63 

    64 $.keyCode = {

    65 	BACKSPACE: 8,

    66 	CAPS_LOCK: 20,

    67 	COMMA: 188,

    68 	CONTROL: 17,

    69 	DELETE: 46,

    70 	DOWN: 40,

    71 	END: 35,

    72 	ENTER: 13,

    73 	ESCAPE: 27,

    74 	HOME: 36,

    75 	INSERT: 45,

    76 	LEFT: 37,

    77 	NUMPAD_ADD: 107,

    78 	NUMPAD_DECIMAL: 110,

    79 	NUMPAD_DIVIDE: 111,

    80 	NUMPAD_ENTER: 108,

    81 	NUMPAD_MULTIPLY: 106,

    82 	NUMPAD_SUBTRACT: 109,

    83 	PAGE_DOWN: 34,

    84 	PAGE_UP: 33,

    85 	PERIOD: 190,

    86 	RIGHT: 39,

    87 	SHIFT: 16,

    88 	SPACE: 32,

    89 	TAB: 9,

    90 	UP: 38

    91 };

    92 

    93 // $.widget is a factory to create jQuery plugins

    94 // taking some boilerplate code out of the plugin code

    95 // created by Scott González and Jörn Zaefferer

    96 function getter(namespace, plugin, method, args) {

    97 	function getMethods(type) {

    98 		var methods = $[namespace][plugin][type] || [];

    99 		return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);

   100 	}

   101 	

   102 	var methods = getMethods('getter');

   103 	if (args.length == 1 && typeof args[0] == 'string') {

   104 		methods = methods.concat(getMethods('getterSetter'));

   105 	}

   106 	return ($.inArray(method, methods) != -1);

   107 }

   108 

   109 $.widget = function(name, prototype) {

   110 	var namespace = name.split(".")[0];

   111 	name = name.split(".")[1];

   112 	

   113 	// create plugin method

   114 	$.fn[name] = function(options) {

   115 		var isMethodCall = (typeof options == 'string'),

   116 			args = Array.prototype.slice.call(arguments, 1);

   117 		

   118 		// prevent calls to internal methods

   119 		if (isMethodCall && options.substring(0, 1) == '_') {

   120 			return this;

   121 		}

   122 		

   123 		// handle getter methods

   124 		if (isMethodCall && getter(namespace, name, options, args)) {

   125 			var instance = $.data(this[0], name);

   126 			return (instance ? instance[options].apply(instance, args)

   127 				: undefined);

   128 		}

   129 		

   130 		// handle initialization and non-getter methods

   131 		return this.each(function() {

   132 			var instance = $.data(this, name);

   133 			

   134 			// constructor

   135 			(!instance && !isMethodCall &&

   136 				$.data(this, name, new $[namespace][name](this, options)));

   137 			

   138 			// method call

   139 			(instance && isMethodCall && $.isFunction(instance[options]) &&

   140 				instance[options].apply(instance, args));

   141 		});

   142 	};

   143 	

   144 	// create widget constructor

   145 	$[namespace][name] = function(element, options) {

   146 		var self = this;

   147 		

   148 		this.widgetName = name;

   149 		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;

   150 		this.widgetBaseClass = namespace + '-' + name;

   151 		

   152 		this.options = $.extend({},

   153 			$.widget.defaults,

   154 			$[namespace][name].defaults,

   155 			$.metadata && $.metadata.get(element)[name],

   156 			options);

   157 		

   158 		this.element = $(element)

   159 			.bind('setData.' + name, function(e, key, value) {

   160 				return self._setData(key, value);

   161 			})

   162 			.bind('getData.' + name, function(e, key) {

   163 				return self._getData(key);

   164 			})

   165 			.bind('remove', function() {

   166 				return self.destroy();

   167 			});

   168 		

   169 		this._init();

   170 	};

   171 	

   172 	// add widget prototype

   173 	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);

   174 	

   175 	// TODO: merge getter and getterSetter properties from widget prototype

   176 	// and plugin prototype

   177 	$[namespace][name].getterSetter = 'option';

   178 };

   179 

   180 $.widget.prototype = {

   181 	_init: function() {},

   182 	destroy: function() {

   183 		this.element.removeData(this.widgetName);

   184 	},

   185 	

   186 	option: function(key, value) {

   187 		var options = key,

   188 			self = this;

   189 		

   190 		if (typeof key == "string") {

   191 			if (value === undefined) {

   192 				return this._getData(key);

   193 			}

   194 			options = {};

   195 			options[key] = value;

   196 		}

   197 		

   198 		$.each(options, function(key, value) {

   199 			self._setData(key, value);

   200 		});

   201 	},

   202 	_getData: function(key) {

   203 		return this.options[key];

   204 	},

   205 	_setData: function(key, value) {

   206 		this.options[key] = value;

   207 		

   208 		if (key == 'disabled') {

   209 			this.element[value ? 'addClass' : 'removeClass'](

   210 				this.widgetBaseClass + '-disabled');

   211 		}

   212 	},

   213 	

   214 	enable: function() {

   215 		this._setData('disabled', false);

   216 	},

   217 	disable: function() {

   218 		this._setData('disabled', true);

   219 	},

   220 	

   221 	_trigger: function(type, e, data) {

   222 		var eventName = (type == this.widgetEventPrefix

   223 			? type : this.widgetEventPrefix + type);

   224 		e = e  || $.event.fix({ type: eventName, target: this.element[0] });

   225 		return this.element.triggerHandler(eventName, [e, data], this.options[type]);

   226 	}

   227 };

   228 

   229 $.widget.defaults = {

   230 	disabled: false

   231 };

   232 

   233 

   234 /** jQuery UI core **/

   235 

   236 $.ui = {

   237 	plugin: {

   238 		add: function(module, option, set) {

   239 			var proto = $.ui[module].prototype;

   240 			for(var i in set) {

   241 				proto.plugins[i] = proto.plugins[i] || [];

   242 				proto.plugins[i].push([option, set[i]]);

   243 			}

   244 		},

   245 		call: function(instance, name, args) {

   246 			var set = instance.plugins[name];

   247 			if(!set) { return; }

   248 			

   249 			for (var i = 0; i < set.length; i++) {

   250 				if (instance.options[set[i][0]]) {

   251 					set[i][1].apply(instance.element, args);

   252 				}

   253 			}

   254 		}	

   255 	},

   256 	cssCache: {},

   257 	css: function(name) {

   258 		if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }

   259 		var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');

   260 		

   261 		//if (!$.browser.safari)

   262 			//tmp.appendTo('body'); 

   263 		

   264 		//Opera and Safari set width and height to 0px instead of auto

   265 		//Safari returns rgba(0,0,0,0) when bgcolor is not set

   266 		$.ui.cssCache[name] = !!(

   267 			(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || 

   268 			!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))

   269 		);

   270 		try { $('body').get(0).removeChild(tmp.get(0));	} catch(e){}

   271 		return $.ui.cssCache[name];

   272 	},

   273 	disableSelection: function(el) {

   274 		$(el)

   275 			.attr('unselectable', 'on')

   276 			.css('MozUserSelect', 'none')

   277 			.bind('selectstart.ui', function() { return false; });

   278 	},

   279 	enableSelection: function(el) {

   280 		$(el)

   281 			.attr('unselectable', 'off')

   282 			.css('MozUserSelect', '')

   283 			.unbind('selectstart.ui');

   284 	},

   285 	hasScroll: function(e, a) {

   286 		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',

   287 			has = false;

   288 		

   289 		if (e[scroll] > 0) { return true; }

   290 		

   291 		// TODO: determine which cases actually cause this to happen

   292 		// if the element doesn't have the scroll set, see if it's possible to

   293 		// set the scroll

   294 		e[scroll] = 1;

   295 		has = (e[scroll] > 0);

   296 		e[scroll] = 0;

   297 		return has;

   298 	}

   299 };

   300 

   301 

   302 /** Mouse Interaction Plugin **/

   303 

   304 $.ui.mouse = {

   305 	_mouseInit: function() {

   306 		var self = this;

   307 	

   308 		this.element.bind('mousedown.'+this.widgetName, function(e) {

   309 			return self._mouseDown(e);

   310 		});

   311 		

   312 		// Prevent text selection in IE

   313 		if ($.browser.msie) {

   314 			this._mouseUnselectable = this.element.attr('unselectable');

   315 			this.element.attr('unselectable', 'on');

   316 		}

   317 		

   318 		this.started = false;

   319 	},

   320 	

   321 	// TODO: make sure destroying one instance of mouse doesn't mess with

   322 	// other instances of mouse

   323 	_mouseDestroy: function() {

   324 		this.element.unbind('.'+this.widgetName);

   325 		

   326 		// Restore text selection in IE

   327 		($.browser.msie

   328 			&& this.element.attr('unselectable', this._mouseUnselectable));

   329 	},

   330 	

   331 	_mouseDown: function(e) {

   332 		// we may have missed mouseup (out of window)

   333 		(this._mouseStarted && this._mouseUp(e));

   334 		

   335 		this._mouseDownEvent = e;

   336 		

   337 		var self = this,

   338 			btnIsLeft = (e.which == 1),

   339 			elIsCancel = (typeof this.options.cancel == "string" ? $(e.target).parents().add(e.target).filter(this.options.cancel).length : false);

   340 		if (!btnIsLeft || elIsCancel || !this._mouseCapture(e)) {

   341 			return true;

   342 		}

   343 		

   344 		this.mouseDelayMet = !this.options.delay;

   345 		if (!this.mouseDelayMet) {

   346 			this._mouseDelayTimer = setTimeout(function() {

   347 				self.mouseDelayMet = true;

   348 			}, this.options.delay);

   349 		}

   350 		

   351 		if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {

   352 			this._mouseStarted = (this._mouseStart(e) !== false);

   353 			if (!this._mouseStarted) {

   354 				e.preventDefault();

   355 				return true;

   356 			}

   357 		}

   358 		

   359 		// these delegates are required to keep context

   360 		this._mouseMoveDelegate = function(e) {

   361 			return self._mouseMove(e);

   362 		};

   363 		this._mouseUpDelegate = function(e) {

   364 			return self._mouseUp(e);

   365 		};

   366 		$(document)

   367 			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)

   368 			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);

   369 		

   370 		return false;

   371 	},

   372 	

   373 	_mouseMove: function(e) {

   374 		// IE mouseup check - mouseup happened when mouse was out of window

   375 		if ($.browser.msie && !e.button) {

   376 			return this._mouseUp(e);

   377 		}

   378 		

   379 		if (this._mouseStarted) {

   380 			this._mouseDrag(e);

   381 			return false;

   382 		}

   383 		

   384 		if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {

   385 			this._mouseStarted =

   386 				(this._mouseStart(this._mouseDownEvent, e) !== false);

   387 			(this._mouseStarted ? this._mouseDrag(e) : this._mouseUp(e));

   388 		}

   389 		

   390 		return !this._mouseStarted;

   391 	},

   392 	

   393 	_mouseUp: function(e) {

   394 		$(document)

   395 			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)

   396 			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);

   397 		

   398 		if (this._mouseStarted) {

   399 			this._mouseStarted = false;

   400 			this._mouseStop(e);

   401 		}

   402 		

   403 		return false;

   404 	},

   405 	

   406 	_mouseDistanceMet: function(e) {

   407 		return (Math.max(

   408 				Math.abs(this._mouseDownEvent.pageX - e.pageX),

   409 				Math.abs(this._mouseDownEvent.pageY - e.pageY)

   410 			) >= this.options.distance

   411 		);

   412 	},

   413 	

   414 	_mouseDelayMet: function(e) {

   415 		return this.mouseDelayMet;

   416 	},

   417 	

   418 	// These are placeholder methods, to be overriden by extending plugin

   419 	_mouseStart: function(e) {},

   420 	_mouseDrag: function(e) {},

   421 	_mouseStop: function(e) {},

   422 	_mouseCapture: function(e) { return true; }

   423 };

   424 

   425 $.ui.mouse.defaults = {

   426 	cancel: null,

   427 	distance: 1,

   428 	delay: 0

   429 };

   430 

   431 })(jQuery);