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   1  YUI.add('yui2-uploader', function(Y) {
   2      var YAHOO    = Y.YUI2;
   3      /*
   4  Copyright (c) 2011, Yahoo! Inc. All rights reserved.
   5  Code licensed under the BSD License:
   6  http://developer.yahoo.com/yui/license.html
   7  version: 2.9.0
   8  */
   9  /*extern ActiveXObject, __flash_unloadHandler, __flash_savedUnloadHandler */
  10  /*!
  11   * SWFObject v1.5: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
  12   *
  13   * SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License:
  14   * http://www.opensource.org/licenses/mit-license.php
  15   * @namespace YAHOO
  16   */
  17  
  18  YAHOO.namespace("deconcept"); 
  19      
  20  YAHOO.deconcept = YAHOO.deconcept || {};
  21  
  22  if(typeof YAHOO.deconcept.util == "undefined" || !YAHOO.deconcept.util)
  23  {
  24      YAHOO.deconcept.util = {};
  25  }
  26  
  27  if(typeof YAHOO.deconcept.SWFObjectUtil == "undefined" || !YAHOO.deconcept.SWFObjectUtil)
  28  {
  29      YAHOO.deconcept.SWFObjectUtil = {};
  30  }
  31  
  32  YAHOO.deconcept.SWFObject = function(swf, id, w, h, ver, c, quality, xiRedirectUrl, redirectUrl, detectKey)
  33  {
  34      if(!document.getElementById) { return; }
  35      this.DETECT_KEY = detectKey ? detectKey : 'detectflash';
  36      this.skipDetect = YAHOO.deconcept.util.getRequestParameter(this.DETECT_KEY);
  37      this.params = {};
  38      this.variables = {};
  39      this.attributes = [];
  40      if(swf) { this.setAttribute('swf', swf); }
  41      if(id) { this.setAttribute('id', id); }
  42      if(w) { this.setAttribute('width', w); }
  43      if(h) { this.setAttribute('height', h); }
  44      if(ver) { this.setAttribute('version', new YAHOO.deconcept.PlayerVersion(ver.toString().split("."))); }
  45      this.installedVer = YAHOO.deconcept.SWFObjectUtil.getPlayerVersion();
  46      if (!window.opera && document.all && this.installedVer.major > 7)
  47      {
  48          // only add the onunload cleanup if the Flash Player version supports External Interface and we are in IE
  49          YAHOO.deconcept.SWFObject.doPrepUnload = true;
  50      }
  51      if(c)
  52      {
  53          this.addParam('bgcolor', c);
  54      }
  55      var q = quality ? quality : 'high';
  56      this.addParam('quality', q);
  57      this.setAttribute('useExpressInstall', false);
  58      this.setAttribute('doExpressInstall', false);
  59      var xir = (xiRedirectUrl) ? xiRedirectUrl : window.location;
  60      this.setAttribute('xiRedirectUrl', xir);
  61      this.setAttribute('redirectUrl', '');
  62      if(redirectUrl)
  63      {
  64          this.setAttribute('redirectUrl', redirectUrl);
  65      }
  66  };
  67  
  68  YAHOO.deconcept.SWFObject.prototype =
  69  {
  70      useExpressInstall: function(path)
  71      {
  72          this.xiSWFPath = !path ? "expressinstall.swf" : path;
  73          this.setAttribute('useExpressInstall', true);
  74      },
  75      setAttribute: function(name, value){
  76          this.attributes[name] = value;
  77      },
  78      getAttribute: function(name){
  79          return this.attributes[name];
  80      },
  81      addParam: function(name, value){
  82          this.params[name] = value;
  83      },
  84      getParams: function(){
  85          return this.params;
  86      },
  87      addVariable: function(name, value){
  88          this.variables[name] = value;
  89      },
  90      getVariable: function(name){
  91          return this.variables[name];
  92      },
  93      getVariables: function(){
  94          return this.variables;
  95      },
  96      getVariablePairs: function(){
  97          var variablePairs = [];
  98          var key;
  99          var variables = this.getVariables();
 100          for(key in variables)
 101          {
 102              if(variables.hasOwnProperty(key))
 103              {
 104                  variablePairs[variablePairs.length] = YAHOO.lang.escapeHTML(key || '') +"="+ YAHOO.lang.escapeHTML(encodeURIComponent(variables[key]  || ''));
 105              }
 106          }
 107          return variablePairs;
 108      },
 109      getSWFHTML: function() {
 110          var swfNode = "";
 111          var params = {};
 112          var key = "";
 113          var pairs = "";
 114          if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) { // netscape plugin architecture
 115              if (this.getAttribute("doExpressInstall")) {
 116                  this.addVariable("MMplayerType", "PlugIn");
 117                  this.setAttribute('swf', this.xiSWFPath);
 118              }
 119              swfNode = '<embed type="application/x-shockwave-flash" src="'+ YAHOO.lang.escapeHTML(this.getAttribute('swf') || '') +'" width="'+ YAHOO.lang.escapeHTML(this.getAttribute('width') || '') +'" height="'+ YAHOO.lang.escapeHTML(this.getAttribute('height') || '') +'" style="'+ YAHOO.lang.escapeHTML(this.getAttribute('style') || '') +'"';
 120              swfNode += ' id="'+ YAHOO.lang.escapeHTML(this.getAttribute('id') || '') +'" name="'+ YAHOO.lang.escapeHTML(this.getAttribute('id') || '') +'" ';
 121              params = this.getParams();
 122              for(key in params)
 123              {
 124                  if(params.hasOwnProperty(key))
 125                  {
 126                      swfNode += YAHOO.lang.escapeHTML(key || '') +'="'+ YAHOO.lang.escapeHTML(params[key] || '') +'" ';
 127                  }
 128              }
 129              pairs = this.getVariablePairs().join("&");
 130              if (pairs.length > 0){ swfNode += 'flashvars="'+ pairs +'"'; }
 131              swfNode += '/>';
 132          } else { // PC IE
 133              if (this.getAttribute("doExpressInstall")) {
 134                  this.addVariable("MMplayerType", "ActiveX");
 135                  this.setAttribute('swf', this.xiSWFPath);
 136              }
 137              swfNode = '<object id="'+ YAHOO.lang.escapeHTML(this.getAttribute('id') || '') +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+ YAHOO.lang.escapeHTML(this.getAttribute('width') || '') +'" height="'+ YAHOO.lang.escapeHTML(this.getAttribute('height') || '') +'" style="'+ YAHOO.lang.escapeHTML(this.getAttribute('style') || '') +'">';
 138              swfNode += '<param name="movie" value="'+ YAHOO.lang.escapeHTML(this.getAttribute('swf') || '') +'" />';
 139              params = this.getParams();
 140              for(key in params)
 141              {
 142                  if(params.hasOwnProperty(key))
 143                  {
 144                      swfNode += '<param name="'+ YAHOO.lang.escapeHTML(key || '') +'" value="'+ YAHOO.lang.escapeHTML(params[key] || '') +'" />';
 145                  }
 146              }
 147              pairs = this.getVariablePairs().join("&");
 148              if(pairs.length > 0) {swfNode += '<param name="flashvars" value="'+ pairs +'" />';}
 149              swfNode += "</object>";
 150          }
 151          return swfNode;
 152      },
 153      write: function(elementId)
 154      {
 155          if(this.getAttribute('useExpressInstall')) {
 156              // check to see if we need to do an express install
 157              var expressInstallReqVer = new YAHOO.deconcept.PlayerVersion([6,0,65]);
 158              if (this.installedVer.versionIsValid(expressInstallReqVer) && !this.installedVer.versionIsValid(this.getAttribute('version'))) {
 159                  this.setAttribute('doExpressInstall', true);
 160                  this.addVariable("MMredirectURL", escape(this.getAttribute('xiRedirectUrl')));
 161                  document.title = document.title.slice(0, 47) + " - Flash Player Installation";
 162                  this.addVariable("MMdoctitle", document.title);
 163              }
 164          }
 165          if(this.skipDetect || this.getAttribute('doExpressInstall') || this.installedVer.versionIsValid(this.getAttribute('version')))
 166          {
 167              var n = (typeof elementId == 'string') ? document.getElementById(elementId) : elementId;
 168              n.innerHTML = this.getSWFHTML();
 169              return true;
 170          }
 171          else
 172          {
 173              if(this.getAttribute('redirectUrl') !== "")
 174              {
 175                  document.location.replace(this.getAttribute('redirectUrl'));
 176              }
 177          }
 178          return false;
 179      }
 180  };
 181  
 182  /* ---- detection functions ---- */
 183  YAHOO.deconcept.SWFObjectUtil.getPlayerVersion = function()
 184  {
 185      var axo = null;
 186      var PlayerVersion = new YAHOO.deconcept.PlayerVersion([0,0,0]);
 187      if(navigator.plugins && navigator.mimeTypes.length)
 188      {
 189          var x = navigator.plugins["Shockwave Flash"];
 190          if(x && x.description)
 191          {
 192              PlayerVersion = new YAHOO.deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split("."));
 193          }
 194      }
 195      else if (navigator.userAgent && navigator.userAgent.indexOf("Windows CE") >= 0)
 196      { // if Windows CE
 197          var counter = 3;
 198          while(axo)
 199          {
 200              try
 201              {
 202                  counter++;
 203                  axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+ counter);
 204  //                document.write("player v: "+ counter);
 205                  PlayerVersion = new YAHOO.deconcept.PlayerVersion([counter,0,0]);
 206              }
 207              catch(e)
 208              {
 209                  axo = null;
 210              }
 211          }
 212      }
 213      else
 214      { // Win IE (non mobile)
 215          // do minor version lookup in IE, but avoid fp6 crashing issues
 216          // see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/
 217          try
 218          {
 219              axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
 220          }
 221          catch(e)
 222          {
 223              try
 224              {
 225                  axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
 226                  PlayerVersion = new YAHOO.deconcept.PlayerVersion([6,0,21]);
 227                  axo.AllowScriptAccess = "always"; // error if player version < 6.0.47 (thanks to Michael Williams @ Adobe for this code)
 228              }
 229              catch(e)
 230              {
 231                  if(PlayerVersion.major == 6)
 232                  {
 233                      return PlayerVersion;
 234                  }
 235              }
 236              try
 237              {
 238                  axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
 239              }
 240              catch(e) {}
 241          }
 242          
 243          if(axo !== null)
 244          {
 245              PlayerVersion = new YAHOO.deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));
 246          }
 247      }
 248      return PlayerVersion;
 249  };
 250  
 251  YAHOO.deconcept.PlayerVersion = function(arrVersion)
 252  {
 253      this.major = arrVersion[0] !== null ? parseInt(arrVersion[0], 0) : 0;
 254      this.minor = arrVersion[1] !== null ? parseInt(arrVersion[1], 0) : 0;
 255      this.rev = arrVersion[2] !== null ? parseInt(arrVersion[2], 0) : 0;
 256  };
 257  
 258  YAHOO.deconcept.PlayerVersion.prototype.versionIsValid = function(fv)
 259  {
 260      if(this.major < fv.major)
 261      {
 262          return false;
 263      }
 264      if(this.major > fv.major)
 265      {
 266          return true;
 267      }
 268      if(this.minor < fv.minor)
 269      {
 270          return false;
 271      }
 272      if(this.minor > fv.minor)
 273      {
 274          return true;
 275      }
 276      if(this.rev < fv.rev)
 277      {
 278          return false;
 279      }
 280      return true;
 281  };
 282  
 283  /* ---- get value of query string param ---- */
 284  YAHOO.deconcept.util =
 285  {
 286      getRequestParameter: function(param)
 287      {
 288          var q = document.location.search || document.location.hash;
 289          if(param === null) { return q; }
 290          if(q)
 291          {
 292              var pairs = q.substring(1).split("&");
 293              for(var i=0; i < pairs.length; i++)
 294              {
 295                  if (pairs[i].substring(0, pairs[i].indexOf("=")) == param)
 296                  {
 297                      return pairs[i].substring((pairs[i].indexOf("=") + 1));
 298                  }
 299              }
 300          }
 301          return "";
 302      }
 303  };
 304  
 305  /* fix for video streaming bug */
 306  YAHOO.deconcept.SWFObjectUtil.cleanupSWFs = function()
 307  {
 308      var objects = document.getElementsByTagName("OBJECT");
 309      for(var i = objects.length - 1; i >= 0; i--)
 310      {
 311          objects[i].style.display = 'none';
 312          for(var x in objects[i])
 313          {
 314              if(typeof objects[i][x] == 'function')
 315              {
 316                  objects[i][x] = function(){};
 317              }
 318          }
 319      }
 320  };
 321  
 322  // fixes bug in some fp9 versions see http://blog.deconcept.com/2006/07/28/swfobject-143-released/
 323  if(YAHOO.deconcept.SWFObject.doPrepUnload)
 324  {
 325      if(!YAHOO.deconcept.unloadSet)
 326      {
 327          YAHOO.deconcept.SWFObjectUtil.prepUnload = function()
 328          {
 329              __flash_unloadHandler = function(){};
 330              __flash_savedUnloadHandler = function(){};
 331              window.attachEvent("onunload", YAHOO.deconcept.SWFObjectUtil.cleanupSWFs);
 332          };
 333          window.attachEvent("onbeforeunload", YAHOO.deconcept.SWFObjectUtil.prepUnload);
 334          YAHOO.deconcept.unloadSet = true;
 335      }
 336  }
 337  
 338  /* add document.getElementById if needed (mobile IE < 5) */
 339  if(!document.getElementById && document.all)
 340  {
 341      document.getElementById = function(id) { return document.all[id]; };
 342  }
 343  /**
 344   * Wraps Flash embedding functionality and allows communication with SWF through
 345   * attributes.
 346   *
 347   * @namespace YAHOO.widget
 348   * @class FlashAdapter
 349   * @uses YAHOO.util.AttributeProvider
 350   */
 351  YAHOO.widget.FlashAdapter = function(swfURL, containerID, attributes, buttonSkin)
 352  {
 353      
 354      this._queue = this._queue || [];
 355      this._events = this._events || {};
 356      this._configs = this._configs || {};
 357      attributes = attributes || {};
 358      
 359      //the Flash Player external interface code from Adobe doesn't play nicely
 360      //with the default value, yui-gen, in IE
 361      this._id = attributes.id = attributes.id || YAHOO.util.Dom.generateId(null, "yuigen");
 362      attributes.version = attributes.version || "9.0.45";
 363      attributes.backgroundColor = attributes.backgroundColor || "#ffffff";
 364      
 365      //we can't use the initial attributes right away
 366      //so save them for once the SWF finishes loading
 367      this._attributes = attributes;
 368      
 369      this._swfURL = swfURL;
 370      this._containerID = containerID;
 371      
 372      //embed the SWF file in the page
 373      this._embedSWF(this._swfURL, this._containerID, attributes.id, attributes.version,
 374          attributes.backgroundColor, attributes.expressInstall, attributes.wmode, buttonSkin);
 375      
 376      /**
 377       * Fires when the SWF is initialized and communication is possible.
 378       * @event contentReady
 379       */
 380      //Fix for iframe cross-domain issue with FF2x 
 381      try
 382      {
 383          this.createEvent("contentReady");
 384      }
 385      catch(e){}
 386  };
 387  
 388  YAHOO.widget.FlashAdapter.owners = YAHOO.widget.FlashAdapter.owners || {};
 389  
 390  YAHOO.extend(YAHOO.widget.FlashAdapter, YAHOO.util.AttributeProvider,
 391  {
 392      /**
 393       * The URL of the SWF file.
 394       * @property _swfURL
 395       * @type String
 396       * @private
 397       */
 398      _swfURL: null,
 399  
 400      /**
 401       * The ID of the containing DIV.
 402       * @property _containerID
 403       * @type String
 404       * @private
 405       */
 406      _containerID: null,
 407  
 408      /**
 409       * A reference to the embedded SWF file.
 410       * @property _swf
 411       * @private
 412       */
 413      _swf: null,
 414  
 415      /**
 416       * The id of this instance.
 417       * @property _id
 418       * @type String
 419       * @private
 420       */
 421      _id: null,
 422  
 423      /**
 424       * Indicates whether the SWF has been initialized and is ready
 425       * to communicate with JavaScript
 426       * @property _initialized
 427       * @type Boolean
 428       * @private
 429       */
 430      _initialized: false,
 431      
 432      /**
 433       * The initializing attributes are stored here until the SWF is ready.
 434       * @property _attributes
 435       * @type Object
 436       * @private
 437       */
 438      _attributes: null, //the intializing attributes
 439  
 440      /**
 441       * Public accessor to the unique name of the FlashAdapter instance.
 442       *
 443       * @method toString
 444       * @return {String} Unique name of the FlashAdapter instance.
 445       */
 446      toString: function()
 447      {
 448          return "FlashAdapter " + this._id;
 449      },
 450  
 451      /**
 452       * Nulls out the entire FlashAdapter instance and related objects and removes attached
 453       * event listeners and clears out DOM elements inside the container. After calling
 454       * this method, the instance reference should be expliclitly nulled by implementer,
 455       * as in myChart = null. Use with caution!
 456       *
 457       * @method destroy
 458       */
 459      destroy: function()
 460      {
 461          //kill the Flash Player instance
 462          if(this._swf)
 463          {
 464              var container = YAHOO.util.Dom.get(this._containerID);
 465              container.removeChild(this._swf);
 466          }
 467          
 468          var instanceName = this._id;
 469          
 470          //null out properties
 471          for(var prop in this)
 472          {
 473              if(YAHOO.lang.hasOwnProperty(this, prop))
 474              {
 475                  this[prop] = null;
 476              }
 477          }
 478          
 479          YAHOO.log("FlashAdapter instance destroyed: " + instanceName);
 480      },
 481  
 482      /**
 483       * Embeds the SWF in the page and associates it with this instance.
 484       *
 485       * @method _embedSWF
 486       * @private
 487       */
 488      _embedSWF: function(swfURL, containerID, swfID, version, backgroundColor, expressInstall, wmode, buttonSkin)
 489      {
 490          //standard SWFObject embed
 491          var swfObj = new YAHOO.deconcept.SWFObject(swfURL, swfID, "100%", "100%", version, backgroundColor);
 492  
 493          if(expressInstall)
 494          {
 495              swfObj.useExpressInstall(expressInstall);
 496          }
 497  
 498          //make sure we can communicate with ExternalInterface
 499          swfObj.addParam("allowScriptAccess", "always");
 500          
 501          if(wmode)
 502          {
 503              swfObj.addParam("wmode", wmode);
 504          }
 505          
 506          swfObj.addParam("menu", "false");
 507          
 508          //again, a useful ExternalInterface trick
 509          swfObj.addVariable("allowedDomain", document.location.hostname);
 510  
 511          //tell the SWF which HTML element it is in
 512          swfObj.addVariable("YUISwfId", swfID);
 513  
 514          // set the name of the function to call when the swf has an event
 515          swfObj.addVariable("YUIBridgeCallback", "YAHOO.widget.FlashAdapter.eventHandler");
 516          if (buttonSkin) {
 517          swfObj.addVariable("buttonSkin", buttonSkin);
 518          }
 519          var container = YAHOO.util.Dom.get(containerID);
 520          var result = swfObj.write(container);
 521          if(result)
 522          {
 523              this._swf = YAHOO.util.Dom.get(swfID);
 524              YAHOO.widget.FlashAdapter.owners[swfID] = this;
 525          }
 526          else
 527          {
 528              YAHOO.log("Unable to load SWF " + swfURL);
 529          }
 530      },
 531  
 532      /**
 533       * Handles or re-dispatches events received from the SWF.
 534       *
 535       * @method _eventHandler
 536       * @private
 537       */
 538      _eventHandler: function(event)
 539      {
 540          var type = event.type;
 541          switch(type)
 542          {
 543              case "swfReady":
 544                     this._loadHandler();
 545                  return;
 546              case "log":
 547                  YAHOO.log(event.message, event.category, this.toString());
 548                  return;
 549          }
 550          
 551          
 552          //be sure to return after your case or the event will automatically fire!
 553          this.fireEvent(type, event);
 554      },
 555  
 556      /**
 557       * Called when the SWF has been initialized.
 558       *
 559       * @method _loadHandler
 560       * @private
 561       */
 562      _loadHandler: function()
 563      {
 564          this._initialized = false;
 565          this._initAttributes(this._attributes);
 566          this.setAttributes(this._attributes, true);
 567          
 568          this._initialized = true;
 569          this.fireEvent("contentReady");
 570      },
 571      
 572      set: function(name, value)
 573      {
 574          //save all the attributes in case the swf reloads
 575          //so that we can pass them in again
 576          this._attributes[name] = value;
 577          YAHOO.widget.FlashAdapter.superclass.set.call(this, name, value);
 578      },
 579      
 580      /**
 581       * Initializes the attributes.
 582       *
 583       * @method _initAttributes
 584       * @private
 585       */
 586      _initAttributes: function(attributes)
 587      {
 588          //should be overridden if other attributes need to be set up
 589  
 590          /**
 591           * @attribute wmode
 592           * @description Sets the window mode of the Flash Player control. May be
 593           *        "window", "opaque", or "transparent". Only available in the constructor
 594           *        because it may not be set after Flash Player has been embedded in the page.
 595           * @type String
 596           */
 597           
 598          /**
 599           * @attribute expressInstall
 600           * @description URL pointing to a SWF file that handles Flash Player's express
 601           *        install feature. Only available in the constructor because it may not be
 602           *        set after Flash Player has been embedded in the page.
 603           * @type String
 604           */
 605  
 606          /**
 607           * @attribute version
 608           * @description Minimum required version for the SWF file. Only available in the constructor because it may not be
 609           *        set after Flash Player has been embedded in the page.
 610           * @type String
 611           */
 612  
 613          /**
 614           * @attribute backgroundColor
 615           * @description The background color of the SWF. Only available in the constructor because it may not be
 616           *        set after Flash Player has been embedded in the page.
 617           * @type String
 618           */
 619           
 620          /**
 621           * @attribute altText
 622           * @description The alternative text to provide for screen readers and other assistive technology.
 623           * @type String
 624           */
 625          this.getAttributeConfig("altText",
 626          {
 627              method: this._getAltText
 628          });
 629          this.setAttributeConfig("altText",
 630          {
 631              method: this._setAltText
 632          });
 633          
 634          /**
 635           * @attribute swfURL
 636           * @description Absolute or relative URL to the SWF displayed by the FlashAdapter. Only available in the constructor because it may not be
 637           *        set after Flash Player has been embedded in the page.
 638           * @type String
 639           */
 640          this.getAttributeConfig("swfURL",
 641          {
 642              method: this._getSWFURL
 643          });
 644      },
 645      
 646      /**
 647       * Getter for swfURL attribute.
 648       *
 649       * @method _getSWFURL
 650       * @private
 651       */
 652      _getSWFURL: function()
 653      {
 654          return this._swfURL;
 655      },
 656      
 657      /**
 658       * Getter for altText attribute.
 659       *
 660       * @method _getAltText
 661       * @private
 662       */
 663      _getAltText: function()
 664      {
 665          return this._swf.getAltText();
 666      },
 667  
 668      /**
 669       * Setter for altText attribute.
 670       *
 671       * @method _setAltText
 672       * @private
 673       */
 674      _setAltText: function(value)
 675      {
 676          return this._swf.setAltText(value);
 677      }
 678  });
 679  
 680  
 681  /**
 682   * Receives event messages from SWF and passes them to the correct instance
 683   * of FlashAdapter.
 684   *
 685   * @method YAHOO.widget.FlashAdapter.eventHandler
 686   * @static
 687   * @private
 688   */
 689  YAHOO.widget.FlashAdapter.eventHandler = function(elementID, event)
 690  {
 691  
 692      if(!YAHOO.widget.FlashAdapter.owners[elementID])
 693      {
 694          //fix for ie: if owner doesn't exist yet, try again in a moment
 695          setTimeout(function() { YAHOO.widget.FlashAdapter.eventHandler( elementID, event ); }, 0);
 696      }
 697      else
 698      {
 699          YAHOO.widget.FlashAdapter.owners[elementID]._eventHandler(event);
 700      }
 701  };
 702  
 703  /**
 704   * The number of proxy functions that have been created.
 705   * @static
 706   * @private
 707   */
 708  YAHOO.widget.FlashAdapter.proxyFunctionCount = 0;
 709  
 710  /**
 711   * Creates a globally accessible function that wraps a function reference.
 712   * Returns the proxy function's name as a string for use by the SWF through
 713   * ExternalInterface.
 714   *
 715   * @method YAHOO.widget.FlashAdapter.createProxyFunction
 716   * @static
 717   * @private
 718   */
 719  YAHOO.widget.FlashAdapter.createProxyFunction = function(func)
 720  {
 721      var index = YAHOO.widget.FlashAdapter.proxyFunctionCount;
 722      YAHOO.widget.FlashAdapter["proxyFunction" + index] = function()
 723      {
 724          return func.apply(null, arguments);
 725      };
 726      YAHOO.widget.FlashAdapter.proxyFunctionCount++;
 727      return "YAHOO.widget.FlashAdapter.proxyFunction" + index.toString();
 728  };
 729  
 730  /**
 731   * Removes a function created with createProxyFunction()
 732   * 
 733   * @method YAHOO.widget.FlashAdapter.removeProxyFunction
 734   * @static
 735   * @private
 736   */
 737  YAHOO.widget.FlashAdapter.removeProxyFunction = function(funcName)
 738  {
 739      //quick error check
 740      if(!funcName || funcName.indexOf("YAHOO.widget.FlashAdapter.proxyFunction") < 0)
 741      {
 742          return;
 743      }
 744      
 745      funcName = funcName.substr(26);
 746      YAHOO.widget.FlashAdapter[funcName] = null;
 747  };
 748  /**
 749   * The YUI Uploader Control
 750   * @module uploader
 751   * @description <p>YUI Uploader provides file upload functionality that goes beyond the basic browser-based methods. 
 752   * Specifically, the YUI Uploader allows for:
 753   * <ol>
 754   * <li> Multiple file selection in a single "Open File" dialog.</li>
 755   * <li> File extension filters to facilitate the user's selection.</li>
 756   * <li> Progress tracking for file uploads.</li>
 757   * <li> A range of file metadata: filename, size, date created, date modified, and author.</li>
 758   * <li> A set of events dispatched on various aspects of the file upload process: file selection, upload progress, upload completion, etc.</li>
 759   * <li> Inclusion of additional data in the file upload POST request.</li>
 760   * <li> Faster file upload on broadband connections due to the modified SEND buffer size.</li>
 761   * <li> Same-page server response upon completion of the file upload.</li>
 762   * </ol>
 763   * </p>
 764   * @title Uploader
 765   * @namespace YAHOO.widget
 766   * @requires yahoo, dom, element, event
 767   */
 768  /**
 769   * Uploader class for the YUI Uploader component.
 770   *
 771   * @namespace YAHOO.widget
 772   * @class Uploader
 773   * @uses YAHOO.widget.FlashAdapter
 774   * @constructor
 775   * @param containerId {HTMLElement} Container element for the Flash Player instance.
 776   * @param buttonSkin {String} [optional]. If defined, the uploader is 
 777   * rendered as a button. This parameter must provide the URL of a button
 778   * skin sprite image. Acceptable types are: jpg, gif, png and swf. The 
 779   * sprite is divided evenly into four sections along its height (e.g., if
 780   * the sprite is 200 px tall, it's divided into four sections 50px each).
 781   * Each section is used as a skin for a specific state of the button: top
 782   * section is "up", second section is "over", third section is "down", and
 783   * fourth section is "disabled". 
 784   * If the parameter is not supplied, the uploader is rendered transparent,
 785   * and it's the developer's responsibility to create a visible UI below it.
 786   * @param forceTransparent {Boolean} This parameter, if true, forces the Flash
 787   * UI to be rendered with wmode set to "transparent". This behavior is useful 
 788   * in conjunction with non-rectangular button skins with PNG transparency. 
 789   * The parameter is false by default, and ignored if no buttonSkin is defined.
 790    */
 791  YAHOO.widget.Uploader = function(containerId, buttonSkin, forceTransparent)
 792  {
 793      var newWMode = "window";
 794  
 795      if (!(buttonSkin) || (buttonSkin && forceTransparent)) {
 796          newWMode = "transparent";
 797      }
 798  
 799      
 800       YAHOO.widget.Uploader.superclass.constructor.call(this, YAHOO.widget.Uploader.SWFURL, containerId, {wmode:newWMode}, buttonSkin);
 801  
 802      /**
 803       * Fires when the mouse is pressed over the Uploader.
 804       * Only fires when the Uploader UI is enabled and
 805       * the render type is 'transparent'.
 806       *
 807       * @event mouseDown
 808       * @param event.type {String} The event type
 809       */
 810      this.createEvent("mouseDown");
 811      
 812      /**
 813       * Fires when the mouse is released over the Uploader.
 814       * Only fires when the Uploader UI is enabled and
 815       * the render type is 'transparent'.
 816       *
 817       * @event mouseUp
 818       * @param event.type {String} The event type
 819       */
 820      this.createEvent("mouseUp");
 821  
 822      /**
 823       * Fires when the mouse rolls over the Uploader.
 824       *
 825       * @event rollOver
 826       * @param event.type {String} The event type
 827       */
 828      this.createEvent("rollOver");
 829      
 830      /**
 831       * Fires when the mouse rolls out of the Uploader.
 832       *
 833       * @event rollOut
 834       * @param event.type {String} The event type
 835       */
 836      this.createEvent("rollOut");
 837      
 838      /**
 839       * Fires when the uploader is clicked.
 840       *
 841       * @event click
 842       * @param event.type {String} The event type
 843       */
 844      this.createEvent("click");
 845      
 846      /**
 847       * Fires when the user has finished selecting files in the "Open File" dialog.
 848       *
 849       * @event fileSelect
 850       * @param event.type {String} The event type
 851       * @param event.fileList {Object} A dictionary of objects with file information
 852       * @param event.fileList[].size {Number} File size in bytes for a specific file in fileList
 853       * @param event.fileList[].cDate {Date} Creation date for a specific file in fileList
 854       * @param event.fileList[].mDate {Date} Modification date for a specific file in fileList
 855       * @param event.fileList[].name {String} File name for a specific file in fileList
 856       * @param event.fileList[].id {String} Unique file id of a specific file in fileList
 857       */
 858      this.createEvent("fileSelect");
 859  
 860      /**
 861       * Fires when an upload of a specific file has started.
 862       *
 863       * @event uploadStart
 864       * @param event.type {String} The event type
 865       * @param event.id {String} The id of the file that's started to upload
 866       */
 867      this.createEvent("uploadStart");
 868  
 869      /**
 870       * Fires when new information about the upload progress for a specific file is available.
 871       *
 872       * @event uploadProgress
 873       * @param event.type {String} The event type
 874       * @param event.id {String} The id of the file with which the upload progress data is associated
 875       * @param bytesLoaded {Number} The number of bytes of the file uploaded so far
 876       * @param bytesTotal {Number} The total size of the file
 877       */
 878      this.createEvent("uploadProgress");
 879      
 880      /**
 881       * Fires when an upload for a specific file is cancelled.
 882       *
 883       * @event uploadCancel
 884       * @param event.type {String} The event type
 885       * @param event.id {String} The id of the file with which the upload has been cancelled.
 886       */    
 887      this.createEvent("uploadCancel");
 888  
 889      /**
 890       * Fires when an upload for a specific file is complete.
 891       *
 892       * @event uploadComplete
 893       * @param event.type {String} The event type
 894       * @param event.id {String} The id of the file for which the upload has been completed.
 895       */    
 896      this.createEvent("uploadComplete");
 897  
 898      /**
 899       * Fires when the server sends data in response to a completed upload.
 900       *
 901       * @event uploadCompleteData
 902       * @param event.type {String} The event type
 903       * @param event.id {String} The id of the file for which the upload has been completed.
 904       * @param event.data {String} The raw data returned by the server in response to the upload.
 905       */    
 906      this.createEvent("uploadCompleteData");
 907      
 908      /**
 909       * Fires when an upload error occurs.
 910       *
 911       * @event uploadError
 912       * @param event.type {String} The event type
 913       * @param event.id {String} The id of the file that was being uploaded when the error has occurred.
 914       * @param event.status {String} The status message associated with the error.
 915       */    
 916      this.createEvent("uploadError");
 917  }
 918  
 919  /**
 920   * Location of the Uploader SWF
 921   *
 922   * @property Chart.SWFURL
 923   * @private
 924   * @static
 925   * @final
 926   * @default "assets/uploader.swf"
 927   */
 928  YAHOO.widget.Uploader.SWFURL = "assets/uploader.swf";
 929  
 930  YAHOO.extend(YAHOO.widget.Uploader, YAHOO.widget.FlashAdapter,
 931  {    
 932  /**
 933   * Starts the upload of the file specified by fileID to the location specified by uploadScriptPath.
 934   *
 935   * @param fileID {String} The id of the file to start uploading.
 936   * @param uploadScriptPath {String} The URL of the upload location.
 937   * @param method {String} Either "GET" or "POST", specifying how the variables accompanying the file upload POST request should be submitted. "GET" by default.
 938   * @param vars {Object} The object containing variables to be sent in the same request as the file upload.
 939   * @param fieldName {String} The name of the variable in the POST request containing the file data. "Filedata" by default.
 940   * </code> 
 941   */
 942      upload: function(fileID, uploadScriptPath, method, vars, fieldName)
 943      {
 944          this._swf.upload(fileID, uploadScriptPath, method, vars, fieldName);
 945      },
 946      
 947  /**
 948   * Starts the upload of the files specified by fileIDs, or adds them to a currently running queue. The upload queue is automatically managed.
 949   *
 950   * @param fileIDs {Array} The ids of the files to start uploading.
 951   * @param uploadScriptPath {String} The URL of the upload location.
 952   * @param method {String} Either "GET" or "POST", specifying how the variables accompanying the file upload POST request should be submitted. "GET" by default.
 953   * @param vars {Object} The object containing variables to be sent in the same request as the file upload.
 954   * @param fieldName {String} The name of the variable in the POST request containing the file data. "Filedata" by default.
 955   * </code> 
 956   */
 957      uploadThese: function(fileIDs, uploadScriptPath, method, vars, fieldName)
 958      {
 959          this._swf.uploadThese(fileIDs, uploadScriptPath, method, vars, fieldName);
 960      },
 961      
 962  /**
 963   * Starts uploading all files in the queue. If this function is called, the upload queue is automatically managed.
 964   *
 965   * @param uploadScriptPath {String} The URL of the upload location.
 966   * @param method {String} Either "GET" or "POST", specifying how the variables accompanying the file upload POST request should be submitted. "GET" by default.
 967   * @param vars {Object} The object containing variables to be sent in the same request as the file upload.
 968   * @param fieldName {String} The name of the variable in the POST request containing the file data. "Filedata" by default.
 969   * </code> 
 970   */
 971      uploadAll: function(uploadScriptPath, method, vars, fieldName)
 972      {
 973          this._swf.uploadAll(uploadScriptPath, method, vars, fieldName);
 974      },
 975  
 976  /**
 977   * Cancels the upload of a specified file. If no file id is specified, all ongoing uploads are cancelled.
 978   *
 979   * @param fileID {String} The ID of the file whose upload should be cancelled.
 980   */
 981      cancel: function(fileID)
 982      {
 983          this._swf.cancel(fileID);
 984      },
 985  
 986  /**
 987   * Clears the list of files queued for upload.
 988   *
 989   */
 990      clearFileList: function()
 991      {
 992          this._swf.clearFileList();
 993      },
 994      
 995  /**
 996   * Removes the specified file from the upload queue. 
 997   *
 998   * @param fileID {String} The id of the file to remove from the upload queue. 
 999   */
1000      removeFile: function (fileID) 
1001      {
1002          this._swf.removeFile(fileID);
1003      },
1004  
1005  /**
1006   * Turns the logging functionality on.
1007   * Uses Flash internal trace logging, as well as YUI Logger, if available.
1008   *
1009   * @param allowLogging {Boolean} If true, logs are output; otherwise, no logs are produced.
1010   */
1011      setAllowLogging: function (allowLogging)
1012      {
1013            this._swf.setAllowLogging(allowLogging);
1014      },
1015  
1016  /**
1017   * Sets the number of simultaneous uploads when using uploadAll()
1018   * The minimum value is 1, and maximum value is 5. The default value is 2.
1019   *
1020   * @param simUploadLimit {int} Number of simultaneous uploads, between 1 and 5.
1021   */
1022      setSimUploadLimit : function (simUploadLimit)
1023      {
1024         this._swf.setSimUploadLimit(simUploadLimit);
1025      },
1026  
1027  /**
1028   * Sets the flag allowing users to select multiple files for the upload.
1029   *
1030   * @param allowMultipleFiles {Boolean} If true, multiple files can be selected. False by default.
1031   */     
1032      setAllowMultipleFiles : function (allowMultipleFiles) 
1033      {
1034         this._swf.setAllowMultipleFiles(allowMultipleFiles);
1035      },
1036  
1037  /**
1038   * Sets the file filters for the "Browse" dialog.
1039   *
1040   *  @param newFilterArray An array of sets of key-value pairs of the form
1041   *  {extensions: extensionString, description: descriptionString, [optional]macType: macTypeString}
1042   *  The extensions string is a semicolon-delimited list of elements of the form "*.xxx", 
1043   *  e.g. "*.jpg;*.gif;*.png". 
1044   */       
1045      setFileFilters : function (fileFilters) 
1046      {
1047         this._swf.setFileFilters(fileFilters);
1048      },
1049  
1050      /**
1051       * Enables the mouse events on the Uploader.
1052       * If the uploader is being rendered as a button,
1053       * then the button's skin is set to "up"
1054       * (first section of the button skin sprite).
1055       *
1056       */
1057      enable : function ()
1058      {
1059          this._swf.enable();
1060      },
1061  
1062      /**
1063       * Disables the mouse events on the Uploader.
1064       * If the uploader is being rendered as a button,
1065       * then the button's skin is set to "disabled"
1066       * (fourth section of the button skin sprite).
1067       *
1068       */
1069      disable : function () 
1070      {
1071          this._swf.disable();
1072      }
1073  });
1074  YAHOO.register("uploader", YAHOO.widget.Uploader, {version: "2.9.0", build: "2800"});
1075  
1076  }, '2.9.0' ,{"requires": ["yui2-yahoo", "yui2-dom", "yui2-event", "yui2-element"]});