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   1  /*

   2   * jQuery UI 1.7.3

   3   *

   4   * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)

   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  ;jQuery.ui || (function($) {
  11  
  12  var _remove = $.fn.remove,
  13      isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
  14  
  15  //Helper functions and ui object

  16  $.ui = {
  17      version: "1.7.3",
  18  
  19      // $.ui.plugin is deprecated.  Use the proxy pattern instead.

  20      plugin: {
  21          add: function(module, option, set) {
  22              var proto = $.ui[module].prototype;
  23              for(var i in set) {
  24                  proto.plugins[i] = proto.plugins[i] || [];
  25                  proto.plugins[i].push([option, set[i]]);
  26              }
  27          },
  28          call: function(instance, name, args) {
  29              var set = instance.plugins[name];
  30              if(!set || !instance.element[0].parentNode) { return; }
  31  
  32              for (var i = 0; i < set.length; i++) {
  33                  if (instance.options[set[i][0]]) {
  34                      set[i][1].apply(instance.element, args);
  35                  }
  36              }
  37          }
  38      },
  39  
  40      contains: function(a, b) {
  41          return document.compareDocumentPosition
  42              ? a.compareDocumentPosition(b) & 16
  43              : a !== b && a.contains(b);
  44      },
  45  
  46      hasScroll: function(el, a) {
  47  
  48          //If overflow is hidden, the element might have extra content, but the user wants to hide it

  49          if ($(el).css('overflow') == 'hidden') { return false; }
  50  
  51          var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
  52              has = false;
  53  
  54          if (el[scroll] > 0) { return true; }
  55  
  56          // TODO: determine which cases actually cause this to happen

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

  58          // set the scroll

  59          el[scroll] = 1;
  60          has = (el[scroll] > 0);
  61          el[scroll] = 0;
  62          return has;
  63      },
  64  
  65      isOverAxis: function(x, reference, size) {
  66          //Determines when x coordinate is over "b" element axis

  67          return (x > reference) && (x < (reference + size));
  68      },
  69  
  70      isOver: function(y, x, top, left, height, width) {
  71          //Determines when x, y coordinates is over "b" element

  72          return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
  73      },
  74  
  75      keyCode: {
  76          BACKSPACE: 8,
  77          CAPS_LOCK: 20,
  78          COMMA: 188,
  79          CONTROL: 17,
  80          DELETE: 46,
  81          DOWN: 40,
  82          END: 35,
  83          ENTER: 13,
  84          ESCAPE: 27,
  85          HOME: 36,
  86          INSERT: 45,
  87          LEFT: 37,
  88          NUMPAD_ADD: 107,
  89          NUMPAD_DECIMAL: 110,
  90          NUMPAD_DIVIDE: 111,
  91          NUMPAD_ENTER: 108,
  92          NUMPAD_MULTIPLY: 106,
  93          NUMPAD_SUBTRACT: 109,
  94          PAGE_DOWN: 34,
  95          PAGE_UP: 33,
  96          PERIOD: 190,
  97          RIGHT: 39,
  98          SHIFT: 16,
  99          SPACE: 32,
 100          TAB: 9,
 101          UP: 38
 102      }
 103  };
 104  
 105  // WAI-ARIA normalization

 106  if (isFF2) {
 107      var attr = $.attr,
 108          removeAttr = $.fn.removeAttr,
 109          ariaNS = "http://www.w3.org/2005/07/aaa",
 110          ariaState = /^aria-/,
 111          ariaRole = /^wairole:/;
 112  
 113      $.attr = function(elem, name, value) {
 114          var set = value !== undefined;
 115  
 116          return (name == 'role'
 117              ? (set
 118                  ? attr.call(this, elem, name, "wairole:" + value)
 119                  : (attr.apply(this, arguments) || "").replace(ariaRole, ""))
 120              : (ariaState.test(name)
 121                  ? (set
 122                      ? elem.setAttributeNS(ariaNS,
 123                          name.replace(ariaState, "aaa:"), value)
 124                      : attr.call(this, elem, name.replace(ariaState, "aaa:")))
 125                  : attr.apply(this, arguments)));
 126      };
 127  
 128      $.fn.removeAttr = function(name) {
 129          return (ariaState.test(name)
 130              ? this.each(function() {
 131                  this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
 132              }) : removeAttr.call(this, name));
 133      };
 134  }
 135  
 136  //jQuery plugins

 137  $.fn.extend({
 138      remove: function(selector, keepData) {
 139          return this.each(function() {
 140              if ( !keepData ) {
 141                  if ( !selector || $.filter( selector, [ this ] ).length ) {
 142                      $( "*", this ).add( this ).each(function() {
 143                          $( this ).triggerHandler( "remove" );
 144                      });
 145                  }
 146              }
 147              return _remove.call( $(this), selector, keepData );
 148          });
 149      },
 150  
 151      enableSelection: function() {
 152          return this
 153              .attr('unselectable', 'off')
 154              .css('MozUserSelect', '')
 155              .unbind('selectstart.ui');
 156      },
 157  
 158      disableSelection: function() {
 159          return this
 160              .attr('unselectable', 'on')
 161              .css('MozUserSelect', 'none')
 162              .bind('selectstart.ui', function() { return false; });
 163      },
 164  
 165      scrollParent: function() {
 166          var scrollParent;
 167          if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
 168              scrollParent = this.parents().filter(function() {
 169                  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));
 170              }).eq(0);
 171          } else {
 172              scrollParent = this.parents().filter(function() {
 173                  return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
 174              }).eq(0);
 175          }
 176  
 177          return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
 178      }
 179  });
 180  
 181  
 182  //Additional selectors

 183  $.extend($.expr[':'], {
 184      data: function(elem, i, match) {
 185          return !!$.data(elem, match[3]);
 186      },
 187  
 188      focusable: function(element) {
 189          var nodeName = element.nodeName.toLowerCase(),
 190              tabIndex = $.attr(element, 'tabindex');
 191          return (/input|select|textarea|button|object/.test(nodeName)
 192              ? !element.disabled
 193              : 'a' == nodeName || 'area' == nodeName
 194                  ? element.href || !isNaN(tabIndex)
 195                  : !isNaN(tabIndex))
 196              // the element and all of its ancestors must be visible

 197              // the browser may report that the area is hidden

 198              && !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;
 199      },
 200  
 201      tabbable: function(element) {
 202          var tabIndex = $.attr(element, 'tabindex');
 203          return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable');
 204      }
 205  });
 206  
 207  
 208  // $.widget is a factory to create jQuery plugins

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

 210  function getter(namespace, plugin, method, args) {
 211  	function getMethods(type) {
 212          var methods = $[namespace][plugin][type] || [];
 213          return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
 214      }
 215  
 216      var methods = getMethods('getter');
 217      if (args.length == 1 && typeof args[0] == 'string') {
 218          methods = methods.concat(getMethods('getterSetter'));
 219      }
 220      return ($.inArray(method, methods) != -1);
 221  }
 222  
 223  $.widget = function(name, prototype) {
 224      var namespace = name.split(".")[0];
 225      name = name.split(".")[1];
 226  
 227      // create plugin method

 228      $.fn[name] = function(options) {
 229          var isMethodCall = (typeof options == 'string'),
 230              args = Array.prototype.slice.call(arguments, 1);
 231  
 232          // prevent calls to internal methods

 233          if (isMethodCall && options.substring(0, 1) == '_') {
 234              return this;
 235          }
 236  
 237          // handle getter methods

 238          if (isMethodCall && getter(namespace, name, options, args)) {
 239              var instance = $.data(this[0], name);
 240              return (instance ? instance[options].apply(instance, args)
 241                  : undefined);
 242          }
 243  
 244          // handle initialization and non-getter methods

 245          return this.each(function() {
 246              var instance = $.data(this, name);
 247  
 248              // constructor

 249              (!instance && !isMethodCall &&
 250                  $.data(this, name, new $[namespace][name](this, options))._init());
 251  
 252              // method call

 253              (instance && isMethodCall && $.isFunction(instance[options]) &&
 254                  instance[options].apply(instance, args));
 255          });
 256      };
 257  
 258      // create widget constructor

 259      $[namespace] = $[namespace] || {};
 260      $[namespace][name] = function(element, options) {
 261          var self = this;
 262  
 263          this.namespace = namespace;
 264          this.widgetName = name;
 265          this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
 266          this.widgetBaseClass = namespace + '-' + name;
 267  
 268          this.options = $.extend({},
 269              $.widget.defaults,
 270              $[namespace][name].defaults,
 271              $.metadata && $.metadata.get(element)[name],
 272              options);
 273  
 274          this.element = $(element)
 275              .bind('setData.' + name, function(event, key, value) {
 276                  if (event.target == element) {
 277                      return self._setData(key, value);
 278                  }
 279              })
 280              .bind('getData.' + name, function(event, key) {
 281                  if (event.target == element) {
 282                      return self._getData(key);
 283                  }
 284              })
 285              .bind('remove', function() {
 286                  return self.destroy();
 287              });
 288      };
 289  
 290      // add widget prototype

 291      $[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
 292  
 293      // TODO: merge getter and getterSetter properties from widget prototype

 294      // and plugin prototype

 295      $[namespace][name].getterSetter = 'option';
 296  };
 297  
 298  $.widget.prototype = {
 299      _init: function() {},
 300      destroy: function() {
 301          this.element.removeData(this.widgetName)
 302              .removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
 303              .removeAttr('aria-disabled');
 304      },
 305  
 306      option: function(key, value) {
 307          var options = key,
 308              self = this;
 309  
 310          if (typeof key == "string") {
 311              if (value === undefined) {
 312                  return this._getData(key);
 313              }
 314              options = {};
 315              options[key] = value;
 316          }
 317  
 318          $.each(options, function(key, value) {
 319              self._setData(key, value);
 320          });
 321      },
 322      _getData: function(key) {
 323          return this.options[key];
 324      },
 325      _setData: function(key, value) {
 326          this.options[key] = value;
 327  
 328          if (key == 'disabled') {
 329              this.element
 330                  [value ? 'addClass' : 'removeClass'](
 331                      this.widgetBaseClass + '-disabled' + ' ' +
 332                      this.namespace + '-state-disabled')
 333                  .attr("aria-disabled", value);
 334          }
 335      },
 336  
 337      enable: function() {
 338          this._setData('disabled', false);
 339      },
 340      disable: function() {
 341          this._setData('disabled', true);
 342      },
 343  
 344      _trigger: function(type, event, data) {
 345          var callback = this.options[type],
 346              eventName = (type == this.widgetEventPrefix
 347                  ? type : this.widgetEventPrefix + type);
 348  
 349          event = $.Event(event);
 350          event.type = eventName;
 351  
 352          // copy original event properties over to the new event

 353          // this would happen if we could call $.event.fix instead of $.Event

 354          // but we don't have a way to force an event to be fixed multiple times

 355          if (event.originalEvent) {
 356              for (var i = $.event.props.length, prop; i;) {
 357                  prop = $.event.props[--i];
 358                  event[prop] = event.originalEvent[prop];
 359              }
 360          }
 361  
 362          this.element.trigger(event, data);
 363  
 364          return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
 365              || event.isDefaultPrevented());
 366      }
 367  };
 368  
 369  $.widget.defaults = {
 370      disabled: false
 371  };
 372  
 373  
 374  /** Mouse Interaction Plugin **/

 375  
 376  $.ui.mouse = {
 377      _mouseInit: function() {
 378          var self = this;
 379  
 380          this.element
 381              .bind('mousedown.'+this.widgetName, function(event) {
 382                  return self._mouseDown(event);
 383              })
 384              .bind('click.'+this.widgetName, function(event) {
 385                  if(self._preventClickEvent) {
 386                      self._preventClickEvent = false;
 387                      event.stopImmediatePropagation();
 388                      return false;
 389                  }
 390              });
 391  
 392          // Prevent text selection in IE

 393          if ($.browser.msie) {
 394              this._mouseUnselectable = this.element.attr('unselectable');
 395              this.element.attr('unselectable', 'on');
 396          }
 397  
 398          this.started = false;
 399      },
 400  
 401      // TODO: make sure destroying one instance of mouse doesn't mess with

 402      // other instances of mouse

 403      _mouseDestroy: function() {
 404          this.element.unbind('.'+this.widgetName);
 405  
 406          // Restore text selection in IE

 407          ($.browser.msie
 408              && this.element.attr('unselectable', this._mouseUnselectable));
 409      },
 410  
 411      _mouseDown: function(event) {
 412          // don't let more than one widget handle mouseStart

 413          // TODO: figure out why we have to use originalEvent

 414          event.originalEvent = event.originalEvent || {};
 415          if (event.originalEvent.mouseHandled) { return; }
 416  
 417          // we may have missed mouseup (out of window)

 418          (this._mouseStarted && this._mouseUp(event));
 419  
 420          this._mouseDownEvent = event;
 421  
 422          var self = this,
 423              btnIsLeft = (event.which == 1),
 424              elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
 425          if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
 426              return true;
 427          }
 428  
 429          this.mouseDelayMet = !this.options.delay;
 430          if (!this.mouseDelayMet) {
 431              this._mouseDelayTimer = setTimeout(function() {
 432                  self.mouseDelayMet = true;
 433              }, this.options.delay);
 434          }
 435  
 436          if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
 437              this._mouseStarted = (this._mouseStart(event) !== false);
 438              if (!this._mouseStarted) {
 439                  event.preventDefault();
 440                  return true;
 441              }
 442          }
 443  
 444          // these delegates are required to keep context

 445          this._mouseMoveDelegate = function(event) {
 446              return self._mouseMove(event);
 447          };
 448          this._mouseUpDelegate = function(event) {
 449              return self._mouseUp(event);
 450          };
 451          $(document)
 452              .bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
 453              .bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
 454  
 455          // preventDefault() is used to prevent the selection of text here -

 456          // however, in Safari, this causes select boxes not to be selectable

 457          // anymore, so this fix is needed

 458          ($.browser.safari || event.preventDefault());
 459  
 460          event.originalEvent.mouseHandled = true;
 461          return true;
 462      },
 463  
 464      _mouseMove: function(event) {
 465          // IE mouseup check - mouseup happened when mouse was out of window

 466          if ($.browser.msie && !event.button) {
 467              return this._mouseUp(event);
 468          }
 469  
 470          if (this._mouseStarted) {
 471              this._mouseDrag(event);
 472              return event.preventDefault();
 473          }
 474  
 475          if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
 476              this._mouseStarted =
 477                  (this._mouseStart(this._mouseDownEvent, event) !== false);
 478              (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
 479          }
 480  
 481          return !this._mouseStarted;
 482      },
 483  
 484      _mouseUp: function(event) {
 485          $(document)
 486              .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
 487              .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
 488  
 489          if (this._mouseStarted) {
 490              this._mouseStarted = false;
 491              this._preventClickEvent = (event.target == this._mouseDownEvent.target);
 492              this._mouseStop(event);
 493          }
 494  
 495          return false;
 496      },
 497  
 498      _mouseDistanceMet: function(event) {
 499          return (Math.max(
 500                  Math.abs(this._mouseDownEvent.pageX - event.pageX),
 501                  Math.abs(this._mouseDownEvent.pageY - event.pageY)
 502              ) >= this.options.distance
 503          );
 504      },
 505  
 506      _mouseDelayMet: function(event) {
 507          return this.mouseDelayMet;
 508      },
 509  
 510      // These are placeholder methods, to be overriden by extending plugin

 511      _mouseStart: function(event) {},
 512      _mouseDrag: function(event) {},
 513      _mouseStop: function(event) {},
 514      _mouseCapture: function(event) { return true; }
 515  };
 516  
 517  $.ui.mouse.defaults = {
 518      cancel: null,
 519      distance: 1,
 520      delay: 0
 521  };
 522  
 523  })(jQuery);