mods/atutor_opencaps/opencaps/js/jquery/ui.core.js

   1 /*\r
   2  * jQuery UI 1.7.2\r
   3  *\r
   4  * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)\r
   5  * Dual licensed under the MIT (MIT-LICENSE.txt)\r
   6  * and GPL (GPL-LICENSE.txt) licenses.\r
   7  *\r
   8  * http://docs.jquery.com/UI\r
   9  */\r
  10 ;jQuery.ui || (function($) {\r
  11 \r
  12 var _remove = $.fn.remove,\r
  13         isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);\r
  14 \r
  15 //Helper functions and ui object\r
  16 $.ui = {\r
  17         version: "1.7.2",\r
  18 \r
  19         // $.ui.plugin is deprecated.  Use the proxy pattern instead.\r
  20         plugin: {\r
  21                 add: function(module, option, set) {\r
  22                         var proto = $.ui[module].prototype;\r
  23                         for(var i in set) {\r
  24                                 proto.plugins[i] = proto.plugins[i] || [];\r
  25                                 proto.plugins[i].push([option, set[i]]);\r
  26                         }\r
  27                 },\r
  28                 call: function(instance, name, args) {\r
  29                         var set = instance.plugins[name];\r
  30                         if(!set || !instance.element[0].parentNode) { return; }\r
  31 \r
  32                         for (var i = 0; i < set.length; i++) {\r
  33                                 if (instance.options[set[i][0]]) {\r
  34                                         set[i][1].apply(instance.element, args);\r
  35                                 }\r
  36                         }\r
  37                 }\r
  38         },\r
  39 \r
  40         contains: function(a, b) {\r
  41                 return document.compareDocumentPosition\r
  42                         ? a.compareDocumentPosition(b) & 16\r
  43                         : a !== b && a.contains(b);\r
  44         },\r
  45 \r
  46         hasScroll: function(el, a) {\r
  47 \r
  48                 //If overflow is hidden, the element might have extra content, but the user wants to hide it\r
  49                 if ($(el).css('overflow') == 'hidden') { return false; }\r
  50 \r
  51                 var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',\r
  52                         has = false;\r
  53 \r
  54                 if (el[scroll] > 0) { return true; }\r
  55 \r
  56                 // TODO: determine which cases actually cause this to happen\r
  57                 // if the element doesn't have the scroll set, see if it's possible to\r
  58                 // set the scroll\r
  59                 el[scroll] = 1;\r
  60                 has = (el[scroll] > 0);\r
  61                 el[scroll] = 0;\r
  62                 return has;\r
  63         },\r
  64 \r
  65         isOverAxis: function(x, reference, size) {\r
  66                 //Determines when x coordinate is over "b" element axis\r
  67                 return (x > reference) && (x < (reference + size));\r
  68         },\r
  69 \r
  70         isOver: function(y, x, top, left, height, width) {\r
  71                 //Determines when x, y coordinates is over "b" element\r
  72                 return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);\r
  73         },\r
  74 \r
  75         keyCode: {\r
  76                 BACKSPACE: 8,\r
  77                 CAPS_LOCK: 20,\r
  78                 COMMA: 188,\r
  79                 CONTROL: 17,\r
  80                 DELETE: 46,\r
  81                 DOWN: 40,\r
  82                 END: 35,\r
  83                 ENTER: 13,\r
  84                 ESCAPE: 27,\r
  85                 HOME: 36,\r
  86                 INSERT: 45,\r
  87                 LEFT: 37,\r
  88                 NUMPAD_ADD: 107,\r
  89                 NUMPAD_DECIMAL: 110,\r
  90                 NUMPAD_DIVIDE: 111,\r
  91                 NUMPAD_ENTER: 108,\r
  92                 NUMPAD_MULTIPLY: 106,\r
  93                 NUMPAD_SUBTRACT: 109,\r
  94                 PAGE_DOWN: 34,\r
  95                 PAGE_UP: 33,\r
  96                 PERIOD: 190,\r
  97                 RIGHT: 39,\r
  98                 SHIFT: 16,\r
  99                 SPACE: 32,\r
 100                 TAB: 9,\r
 101                 UP: 38\r
 102         }\r
 103 };\r
 104 \r
 105 // WAI-ARIA normalization\r
 106 if (isFF2) {\r
 107         var attr = $.attr,\r
 108                 removeAttr = $.fn.removeAttr,\r
 109                 ariaNS = "http://www.w3.org/2005/07/aaa",\r
 110                 ariaState = /^aria-/,\r
 111                 ariaRole = /^wairole:/;\r
 112 \r
 113         $.attr = function(elem, name, value) {\r
 114                 var set = value !== undefined;\r
 115 \r
 116                 return (name == 'role'\r
 117                         ? (set\r
 118                                 ? attr.call(this, elem, name, "wairole:" + value)\r
 119                                 : (attr.apply(this, arguments) || "").replace(ariaRole, ""))\r
 120                         : (ariaState.test(name)\r
 121                                 ? (set\r
 122                                         ? elem.setAttributeNS(ariaNS,\r
 123                                                 name.replace(ariaState, "aaa:"), value)\r
 124                                         : attr.call(this, elem, name.replace(ariaState, "aaa:")))\r
 125                                 : attr.apply(this, arguments)));\r
 126         };\r
 127 \r
 128         $.fn.removeAttr = function(name) {\r
 129                 return (ariaState.test(name)\r
 130                         ? this.each(function() {\r
 131                                 this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));\r
 132                         }) : removeAttr.call(this, name));\r
 133         };\r
 134 }\r
 135 \r
 136 //jQuery plugins\r
 137 $.fn.extend({\r
 138         remove: function() {\r
 139                 // Safari has a native remove event which actually removes DOM elements,\r
 140                 // so we have to use triggerHandler instead of trigger (#3037).\r
 141                 $("*", this).add(this).each(function() {\r
 142                         $(this).triggerHandler("remove");\r
 143                 });\r
 144                 return _remove.apply(this, arguments );\r
 145         },\r
 146 \r
 147         enableSelection: function() {\r
 148                 return this\r
 149                         .attr('unselectable', 'off')\r
 150                         .css('MozUserSelect', '')\r
 151                         .unbind('selectstart.ui');\r
 152         },\r
 153 \r
 154         disableSelection: function() {\r
 155                 return this\r
 156                         .attr('unselectable', 'on')\r
 157                         .css('MozUserSelect', 'none')\r
 158                         .bind('selectstart.ui', function() { return false; });\r
 159         },\r
 160 \r
 161         scrollParent: function() {\r
 162                 var scrollParent;\r
 163                 if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {\r
 164                         scrollParent = this.parents().filter(function() {\r
 165                                 return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));\r
 166                         }).eq(0);\r
 167                 } else {\r
 168                         scrollParent = this.parents().filter(function() {\r
 169                                 return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));\r
 170                         }).eq(0);\r
 171                 }\r
 172 \r
 173                 return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;\r
 174         }\r
 175 });\r
 176 \r
 177 \r
 178 //Additional selectors\r
 179 $.extend($.expr[':'], {\r
 180         data: function(elem, i, match) {\r
 181                 return !!$.data(elem, match[3]);\r
 182         },\r
 183 \r
 184         focusable: function(element) {\r
 185                 var nodeName = element.nodeName.toLowerCase(),\r
 186                         tabIndex = $.attr(element, 'tabindex');\r
 187                 return (/input|select|textarea|button|object/.test(nodeName)\r
 188                         ? !element.disabled\r
 189                         : 'a' == nodeName || 'area' == nodeName\r
 190                                 ? element.href || !isNaN(tabIndex)\r
 191                                 : !isNaN(tabIndex))\r
 192                         // the element and all of its ancestors must be visible\r
 193                         // the browser may report that the area is hidden\r
 194                         && !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;\r
 195         },\r
 196 \r
 197         tabbable: function(element) {\r
 198                 var tabIndex = $.attr(element, 'tabindex');\r
 199                 return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable');\r
 200         }\r
 201 });\r
 202 \r
 203 \r
 204 // $.widget is a factory to create jQuery plugins\r
 205 // taking some boilerplate code out of the plugin code\r
 206 function getter(namespace, plugin, method, args) {\r
 207         function getMethods(type) {\r
 208                 var methods = $[namespace][plugin][type] || [];\r
 209                 return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);\r
 210         }\r
 211 \r
 212         var methods = getMethods('getter');\r
 213         if (args.length == 1 && typeof args[0] == 'string') {\r
 214                 methods = methods.concat(getMethods('getterSetter'));\r
 215         }\r
 216         return ($.inArray(method, methods) != -1);\r
 217 }\r
 218 \r
 219 $.widget = function(name, prototype) {\r
 220         var namespace = name.split(".")[0];\r
 221         name = name.split(".")[1];\r
 222 \r
 223         // create plugin method\r
 224         $.fn[name] = function(options) {\r
 225                 var isMethodCall = (typeof options == 'string'),\r
 226                         args = Array.prototype.slice.call(arguments, 1);\r
 227 \r
 228                 // prevent calls to internal methods\r
 229                 if (isMethodCall && options.substring(0, 1) == '_') {\r
 230                         return this;\r
 231                 }\r
 232 \r
 233                 // handle getter methods\r
 234                 if (isMethodCall && getter(namespace, name, options, args)) {\r
 235                         var instance = $.data(this[0], name);\r
 236                         return (instance ? instance[options].apply(instance, args)\r
 237                                 : undefined);\r
 238                 }\r
 239 \r
 240                 // handle initialization and non-getter methods\r
 241                 return this.each(function() {\r
 242                         var instance = $.data(this, name);\r
 243 \r
 244                         // constructor\r
 245                         (!instance && !isMethodCall &&\r
 246                                 $.data(this, name, new $[namespace][name](this, options))._init());\r
 247 \r
 248                         // method call\r
 249                         (instance && isMethodCall && $.isFunction(instance[options]) &&\r
 250                                 instance[options].apply(instance, args));\r
 251                 });\r
 252         };\r
 253 \r
 254         // create widget constructor\r
 255         $[namespace] = $[namespace] || {};\r
 256         $[namespace][name] = function(element, options) {\r
 257                 var self = this;\r
 258 \r
 259                 this.namespace = namespace;\r
 260                 this.widgetName = name;\r
 261                 this.widgetEventPrefix = $[namespace][name].eventPrefix || name;\r
 262                 this.widgetBaseClass = namespace + '-' + name;\r
 263 \r
 264                 this.options = $.extend({},\r
 265                         $.widget.defaults,\r
 266                         $[namespace][name].defaults,\r
 267                         $.metadata && $.metadata.get(element)[name],\r
 268                         options);\r
 269 \r
 270                 this.element = $(element)\r
 271                         .bind('setData.' + name, function(event, key, value) {\r
 272                                 if (event.target == element) {\r
 273                                         return self._setData(key, value);\r
 274                                 }\r
 275                         })\r
 276                         .bind('getData.' + name, function(event, key) {\r
 277                                 if (event.target == element) {\r
 278                                         return self._getData(key);\r
 279                                 }\r
 280                         })\r
 281                         .bind('remove', function() {\r
 282                                 return self.destroy();\r
 283                         });\r
 284         };\r
 285 \r
 286         // add widget prototype\r
 287         $[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);\r
 288 \r
 289         // TODO: merge getter and getterSetter properties from widget prototype\r
 290         // and plugin prototype\r
 291         $[namespace][name].getterSetter = 'option';\r
 292 };\r
 293 \r
 294 $.widget.prototype = {\r
 295         _init: function() {},\r
 296         destroy: function() {\r
 297                 this.element.removeData(this.widgetName)\r
 298                         .removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')\r
 299                         .removeAttr('aria-disabled');\r
 300         },\r
 301 \r
 302         option: function(key, value) {\r
 303                 var options = key,\r
 304                         self = this;\r
 305 \r
 306                 if (typeof key == "string") {\r
 307                         if (value === undefined) {\r
 308                                 return this._getData(key);\r
 309                         }\r
 310                         options = {};\r
 311                         options[key] = value;\r
 312                 }\r
 313 \r
 314                 $.each(options, function(key, value) {\r
 315                         self._setData(key, value);\r
 316                 });\r
 317         },\r
 318         _getData: function(key) {\r
 319                 return this.options[key];\r
 320         },\r
 321         _setData: function(key, value) {\r
 322                 this.options[key] = value;\r
 323 \r
 324                 if (key == 'disabled') {\r
 325                         this.element\r
 326                                 [value ? 'addClass' : 'removeClass'](\r
 327                                         this.widgetBaseClass + '-disabled' + ' ' +\r
 328                                         this.namespace + '-state-disabled')\r
 329                                 .attr("aria-disabled", value);\r
 330                 }\r
 331         },\r
 332 \r
 333         enable: function() {\r
 334                 this._setData('disabled', false);\r
 335         },\r
 336         disable: function() {\r
 337                 this._setData('disabled', true);\r
 338         },\r
 339 \r
 340         _trigger: function(type, event, data) {\r
 341                 var callback = this.options[type],\r
 342                         eventName = (type == this.widgetEventPrefix\r
 343                                 ? type : this.widgetEventPrefix + type);\r
 344 \r
 345                 event = $.Event(event);\r
 346                 event.type = eventName;\r
 347 \r
 348                 // copy original event properties over to the new event\r
 349                 // this would happen if we could call $.event.fix instead of $.Event\r
 350                 // but we don't have a way to force an event to be fixed multiple times\r
 351                 if (event.originalEvent) {\r
 352                         for (var i = $.event.props.length, prop; i;) {\r
 353                                 prop = $.event.props[--i];\r
 354                                 event[prop] = event.originalEvent[prop];\r
 355                         }\r
 356                 }\r
 357 \r
 358                 this.element.trigger(event, data);\r
 359 \r
 360                 return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false\r
 361                         || event.isDefaultPrevented());\r
 362         }\r
 363 };\r
 364 \r
 365 $.widget.defaults = {\r
 366         disabled: false\r
 367 };\r
 368 \r
 369 \r
 370 /** Mouse Interaction Plugin **/\r
 371 \r
 372 $.ui.mouse = {\r
 373         _mouseInit: function() {\r
 374                 var self = this;\r
 375 \r
 376                 this.element\r
 377                         .bind('mousedown.'+this.widgetName, function(event) {\r
 378                                 return self._mouseDown(event);\r
 379                         })\r
 380                         .bind('click.'+this.widgetName, function(event) {\r
 381                                 if(self._preventClickEvent) {\r
 382                                         self._preventClickEvent = false;\r
 383                                         event.stopImmediatePropagation();\r
 384                                         return false;\r
 385                                 }\r
 386                         });\r
 387 \r
 388                 // Prevent text selection in IE\r
 389                 if ($.browser.msie) {\r
 390                         this._mouseUnselectable = this.element.attr('unselectable');\r
 391                         this.element.attr('unselectable', 'on');\r
 392                 }\r
 393 \r
 394                 this.started = false;\r
 395         },\r
 396 \r
 397         // TODO: make sure destroying one instance of mouse doesn't mess with\r
 398         // other instances of mouse\r
 399         _mouseDestroy: function() {\r
 400                 this.element.unbind('.'+this.widgetName);\r
 401 \r
 402                 // Restore text selection in IE\r
 403                 ($.browser.msie\r
 404                         && this.element.attr('unselectable', this._mouseUnselectable));\r
 405         },\r
 406 \r
 407         _mouseDown: function(event) {\r
 408                 // don't let more than one widget handle mouseStart\r
 409                 // TODO: figure out why we have to use originalEvent\r
 410                 event.originalEvent = event.originalEvent || {};\r
 411                 if (event.originalEvent.mouseHandled) { return; }\r
 412 \r
 413                 // we may have missed mouseup (out of window)\r
 414                 (this._mouseStarted && this._mouseUp(event));\r
 415 \r
 416                 this._mouseDownEvent = event;\r
 417 \r
 418                 var self = this,\r
 419                         btnIsLeft = (event.which == 1),\r
 420                         elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);\r
 421                 if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {\r
 422                         return true;\r
 423                 }\r
 424 \r
 425                 this.mouseDelayMet = !this.options.delay;\r
 426                 if (!this.mouseDelayMet) {\r
 427                         this._mouseDelayTimer = setTimeout(function() {\r
 428                                 self.mouseDelayMet = true;\r
 429                         }, this.options.delay);\r
 430                 }\r
 431 \r
 432                 if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {\r
 433                         this._mouseStarted = (this._mouseStart(event) !== false);\r
 434                         if (!this._mouseStarted) {\r
 435                                 event.preventDefault();\r
 436                                 return true;\r
 437                         }\r
 438                 }\r
 439 \r
 440                 // these delegates are required to keep context\r
 441                 this._mouseMoveDelegate = function(event) {\r
 442                         return self._mouseMove(event);\r
 443                 };\r
 444                 this._mouseUpDelegate = function(event) {\r
 445                         return self._mouseUp(event);\r
 446                 };\r
 447                 $(document)\r
 448                         .bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)\r
 449                         .bind('mouseup.'+this.widgetName, this._mouseUpDelegate);\r
 450 \r
 451                 // preventDefault() is used to prevent the selection of text here -\r
 452                 // however, in Safari, this causes select boxes not to be selectable\r
 453                 // anymore, so this fix is needed\r
 454                 ($.browser.safari || event.preventDefault());\r
 455 \r
 456                 event.originalEvent.mouseHandled = true;\r
 457                 return true;\r
 458         },\r
 459 \r
 460         _mouseMove: function(event) {\r
 461                 // IE mouseup check - mouseup happened when mouse was out of window\r
 462                 if ($.browser.msie && !event.button) {\r
 463                         return this._mouseUp(event);\r
 464                 }\r
 465 \r
 466                 if (this._mouseStarted) {\r
 467                         this._mouseDrag(event);\r
 468                         return event.preventDefault();\r
 469                 }\r
 470 \r
 471                 if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {\r
 472                         this._mouseStarted =\r
 473                                 (this._mouseStart(this._mouseDownEvent, event) !== false);\r
 474                         (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));\r
 475                 }\r
 476 \r
 477                 return !this._mouseStarted;\r
 478         },\r
 479 \r
 480         _mouseUp: function(event) {\r
 481                 $(document)\r
 482                         .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)\r
 483                         .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);\r
 484 \r
 485                 if (this._mouseStarted) {\r
 486                         this._mouseStarted = false;\r
 487                         this._preventClickEvent = (event.target == this._mouseDownEvent.target);\r
 488                         this._mouseStop(event);\r
 489                 }\r
 490 \r
 491                 return false;\r
 492         },\r
 493 \r
 494         _mouseDistanceMet: function(event) {\r
 495                 return (Math.max(\r
 496                                 Math.abs(this._mouseDownEvent.pageX - event.pageX),\r
 497                                 Math.abs(this._mouseDownEvent.pageY - event.pageY)\r
 498                         ) >= this.options.distance\r
 499                 );\r
 500         },\r
 501 \r
 502         _mouseDelayMet: function(event) {\r
 503                 return this.mouseDelayMet;\r
 504         },\r
 505 \r
 506         // These are placeholder methods, to be overriden by extending plugin\r
 507         _mouseStart: function(event) {},\r
 508         _mouseDrag: function(event) {},\r
 509         _mouseStop: function(event) {},\r
 510         _mouseCapture: function(event) { return true; }\r
 511 };\r
 512 \r
 513 $.ui.mouse.defaults = {\r
 514         cancel: null,\r
 515         distance: 1,\r
 516         delay: 0\r
 517 };\r
 518 \r
 519 })(jQuery);\r