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   1  /*
   2   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   3   * Copyright (C) 2003-2009 Frederico Caldeira Knabben
   4   *
   5   * == BEGIN LICENSE ==
   6   *
   7   * Licensed under the terms of any of the following licenses at your
   8   * choice:
   9   *
  10   *  - GNU General Public License Version 2 or later (the "GPL")
  11   *    http://www.gnu.org/licenses/gpl.html
  12   *
  13   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
  14   *    http://www.gnu.org/licenses/lgpl.html
  15   *
  16   *  - Mozilla Public License Version 1.1 or later (the "MPL")
  17   *    http://www.mozilla.org/MPL/MPL-1.1.html
  18   *
  19   * == END LICENSE ==
  20   *
  21   * Scripts related to the Image dialog window (see fck_image.html).
  22   */
  23  
  24  var dialog        = window.parent ;
  25  var oEditor        = dialog.InnerDialogLoaded() ;
  26  var FCK            = oEditor.FCK ;
  27  var FCKLang        = oEditor.FCKLang ;
  28  var FCKConfig    = oEditor.FCKConfig ;
  29  var FCKDebug    = oEditor.FCKDebug ;
  30  var FCKTools    = oEditor.FCKTools ;
  31  
  32  var bImageButton = ( document.location.search.length > 0 && document.location.search.substr(1) == 'ImageButton' ) ;
  33  
  34  //#### Dialog Tabs
  35  
  36  // Set the dialog tabs.
  37  dialog.AddTab( 'Info', FCKLang.DlgImgInfoTab ) ;
  38  
  39  if ( !bImageButton && !FCKConfig.ImageDlgHideLink )
  40      dialog.AddTab( 'Link', FCKLang.DlgImgLinkTab ) ;
  41  
  42  if ( FCKConfig.ImageUpload )
  43      dialog.AddTab( 'Upload', FCKLang.DlgLnkUpload ) ;
  44  
  45  if ( !FCKConfig.ImageDlgHideAdvanced )
  46      dialog.AddTab( 'Advanced', FCKLang.DlgAdvancedTag ) ;
  47  
  48  // Function called when a dialog tag is selected.
  49  function OnDialogTabChange( tabCode )
  50  {
  51      ShowE('divInfo'        , ( tabCode == 'Info' ) ) ;
  52      ShowE('divLink'        , ( tabCode == 'Link' ) ) ;
  53      ShowE('divUpload'    , ( tabCode == 'Upload' ) ) ;
  54      ShowE('divAdvanced'    , ( tabCode == 'Advanced' ) ) ;
  55  }
  56  
  57  // Get the selected image (if available).
  58  var oImage = dialog.Selection.GetSelectedElement() ;
  59  
  60  if ( oImage && oImage.tagName != 'IMG' && !( oImage.tagName == 'INPUT' && oImage.type == 'image' ) )
  61      oImage = null ;
  62  
  63  // Get the active link.
  64  var oLink = dialog.Selection.GetSelection().MoveToAncestorNode( 'A' ) ;
  65  
  66  var oImageOriginal ;
  67  
  68  function UpdateOriginal( resetSize )
  69  {
  70      if ( !eImgPreview )
  71          return ;
  72  
  73      if ( GetE('txtUrl').value.length == 0 )
  74      {
  75          oImageOriginal = null ;
  76          return ;
  77      }
  78  
  79      oImageOriginal = document.createElement( 'IMG' ) ;    // new Image() ;
  80  
  81      if ( resetSize )
  82      {
  83          oImageOriginal.onload = function()
  84          {
  85              this.onload = null ;
  86              ResetSizes() ;
  87          }
  88      }
  89  
  90      oImageOriginal.src = eImgPreview.src ;
  91  }
  92  
  93  var bPreviewInitialized ;
  94  
  95  window.onload = function()
  96  {
  97      // Translate the dialog box texts.
  98      oEditor.FCKLanguageManager.TranslatePage(document) ;
  99  
 100      GetE('btnLockSizes').title = FCKLang.DlgImgLockRatio ;
 101      GetE('btnResetSize').title = FCKLang.DlgBtnResetSize ;
 102  
 103      // Load the selected element information (if any).
 104      LoadSelection() ;
 105  
 106      // Show/Hide the "Browse Server" button.
 107      GetE('tdBrowse').style.display                = FCKConfig.ImageBrowser    ? '' : 'none' ;
 108      GetE('divLnkBrowseServer').style.display    = FCKConfig.LinkBrowser        ? '' : 'none' ;
 109  
 110      UpdateOriginal() ;
 111  
 112      // Set the actual uploader URL.
 113      if ( FCKConfig.ImageUpload )
 114          GetE('frmUpload').action = FCKConfig.ImageUploadURL ;
 115  
 116      dialog.SetAutoSize( true ) ;
 117  
 118      // Activate the "OK" button.
 119      dialog.SetOkButton( true ) ;
 120  
 121      SelectField( 'txtUrl' ) ;
 122  }
 123  
 124  function LoadSelection()
 125  {
 126      if ( ! oImage ) return ;
 127  
 128      var sUrl = oImage.getAttribute( '_fcksavedurl' ) ;
 129      if ( sUrl == null )
 130          sUrl = GetAttribute( oImage, 'src', '' ) ;
 131  
 132      GetE('txtUrl').value    = sUrl ;
 133      GetE('txtAlt').value    = GetAttribute( oImage, 'alt', '' ) ;
 134      GetE('txtVSpace').value    = GetAttribute( oImage, 'vspace', '' ) ;
 135      GetE('txtHSpace').value    = GetAttribute( oImage, 'hspace', '' ) ;
 136      GetE('txtBorder').value    = GetAttribute( oImage, 'border', '' ) ;
 137      GetE('cmbAlign').value    = GetAttribute( oImage, 'align', '' ) ;
 138  
 139      var iWidth, iHeight ;
 140  
 141      var regexSize = /^\s*(\d+)px\s*$/i ;
 142  
 143      if ( oImage.style.width )
 144      {
 145          var aMatchW  = oImage.style.width.match( regexSize ) ;
 146          if ( aMatchW )
 147          {
 148              iWidth = aMatchW[1] ;
 149              oImage.style.width = '' ;
 150              SetAttribute( oImage, 'width' , iWidth ) ;
 151          }
 152      }
 153  
 154      if ( oImage.style.height )
 155      {
 156          var aMatchH  = oImage.style.height.match( regexSize ) ;
 157          if ( aMatchH )
 158          {
 159              iHeight = aMatchH[1] ;
 160              oImage.style.height = '' ;
 161              SetAttribute( oImage, 'height', iHeight ) ;
 162          }
 163      }
 164  
 165      GetE('txtWidth').value    = iWidth ? iWidth : GetAttribute( oImage, "width", '' ) ;
 166      GetE('txtHeight').value    = iHeight ? iHeight : GetAttribute( oImage, "height", '' ) ;
 167  
 168      // Get Advances Attributes
 169      GetE('txtAttId').value            = oImage.id ;
 170      GetE('cmbAttLangDir').value        = oImage.dir ;
 171      GetE('txtAttLangCode').value    = oImage.lang ;
 172      GetE('txtAttTitle').value        = oImage.title ;
 173      GetE('txtLongDesc').value        = oImage.longDesc ;
 174  
 175      if ( oEditor.FCKBrowserInfo.IsIE )
 176      {
 177          GetE('txtAttClasses').value = oImage.className || '' ;
 178          GetE('txtAttStyle').value = oImage.style.cssText ;
 179      }
 180      else
 181      {
 182          GetE('txtAttClasses').value = oImage.getAttribute('class',2) || '' ;
 183          GetE('txtAttStyle').value = oImage.getAttribute('style',2) ;
 184      }
 185  
 186      if ( oLink )
 187      {
 188          var sLinkUrl = oLink.getAttribute( '_fcksavedurl' ) ;
 189          if ( sLinkUrl == null )
 190              sLinkUrl = oLink.getAttribute('href',2) ;
 191  
 192          GetE('txtLnkUrl').value        = sLinkUrl ;
 193          GetE('cmbLnkTarget').value    = oLink.target ;
 194      }
 195  
 196      UpdatePreview() ;
 197  }
 198  
 199  //#### The OK button was hit.
 200  function Ok()
 201  {
 202      if ( GetE('txtUrl').value.length == 0 )
 203      {
 204          dialog.SetSelectedTab( 'Info' ) ;
 205          GetE('txtUrl').focus() ;
 206  
 207          alert( FCKLang.DlgImgAlertUrl ) ;
 208  
 209          return false ;
 210      }
 211  
 212      var bHasImage = ( oImage != null ) ;
 213  
 214      if ( bHasImage && bImageButton && oImage.tagName == 'IMG' )
 215      {
 216          if ( confirm( 'Do you want to transform the selected image on a image button?' ) )
 217              oImage = null ;
 218      }
 219      else if ( bHasImage && !bImageButton && oImage.tagName == 'INPUT' )
 220      {
 221          if ( confirm( 'Do you want to transform the selected image button on a simple image?' ) )
 222              oImage = null ;
 223      }
 224  
 225      oEditor.FCKUndo.SaveUndoStep() ;
 226      if ( !bHasImage )
 227      {
 228          if ( bImageButton )
 229          {
 230              oImage = FCK.EditorDocument.createElement( 'input' ) ;
 231              oImage.type = 'image' ;
 232              oImage = FCK.InsertElement( oImage ) ;
 233          }
 234          else
 235              oImage = FCK.InsertElement( 'img' ) ;
 236      }
 237  
 238      UpdateImage( oImage ) ;
 239  
 240      var sLnkUrl = GetE('txtLnkUrl').value.Trim() ;
 241  
 242      if ( sLnkUrl.length == 0 )
 243      {
 244          if ( oLink )
 245              FCK.ExecuteNamedCommand( 'Unlink' ) ;
 246      }
 247      else
 248      {
 249          if ( oLink )    // Modifying an existent link.
 250              oLink.href = sLnkUrl ;
 251          else            // Creating a new link.
 252          {
 253              if ( !bHasImage )
 254                  oEditor.FCKSelection.SelectNode( oImage ) ;
 255  
 256              oLink = oEditor.FCK.CreateLink( sLnkUrl )[0] ;
 257  
 258              if ( !bHasImage )
 259              {
 260                  oEditor.FCKSelection.SelectNode( oLink ) ;
 261                  oEditor.FCKSelection.Collapse( false ) ;
 262              }
 263          }
 264  
 265          SetAttribute( oLink, '_fcksavedurl', sLnkUrl ) ;
 266          SetAttribute( oLink, 'target', GetE('cmbLnkTarget').value ) ;
 267      }
 268  
 269      return true ;
 270  }
 271  
 272  function UpdateImage( e, skipId )
 273  {
 274      e.src = GetE('txtUrl').value ;
 275      SetAttribute( e, "_fcksavedurl", GetE('txtUrl').value ) ;
 276      SetAttribute( e, "alt"   , GetE('txtAlt').value ) ;
 277      SetAttribute( e, "width" , GetE('txtWidth').value ) ;
 278      SetAttribute( e, "height", GetE('txtHeight').value ) ;
 279      SetAttribute( e, "vspace", GetE('txtVSpace').value ) ;
 280      SetAttribute( e, "hspace", GetE('txtHSpace').value ) ;
 281      SetAttribute( e, "border", GetE('txtBorder').value ) ;
 282      SetAttribute( e, "align" , GetE('cmbAlign').value ) ;
 283  
 284      // Advances Attributes
 285  
 286      if ( ! skipId )
 287          SetAttribute( e, 'id', GetE('txtAttId').value ) ;
 288  
 289      SetAttribute( e, 'dir'        , GetE('cmbAttLangDir').value ) ;
 290      SetAttribute( e, 'lang'        , GetE('txtAttLangCode').value ) ;
 291      SetAttribute( e, 'title'    , GetE('txtAttTitle').value ) ;
 292      SetAttribute( e, 'longDesc'    , GetE('txtLongDesc').value ) ;
 293  
 294      if ( oEditor.FCKBrowserInfo.IsIE )
 295      {
 296          e.className = GetE('txtAttClasses').value ;
 297          e.style.cssText = GetE('txtAttStyle').value ;
 298      }
 299      else
 300      {
 301          SetAttribute( e, 'class'    , GetE('txtAttClasses').value ) ;
 302          SetAttribute( e, 'style', GetE('txtAttStyle').value ) ;
 303      }
 304  }
 305  
 306  var eImgPreview ;
 307  var eImgPreviewLink ;
 308  
 309  function SetPreviewElements( imageElement, linkElement )
 310  {
 311      eImgPreview = imageElement ;
 312      eImgPreviewLink = linkElement ;
 313  
 314      UpdatePreview() ;
 315      UpdateOriginal() ;
 316  
 317      bPreviewInitialized = true ;
 318  }
 319  
 320  function UpdatePreview()
 321  {
 322      if ( !eImgPreview || !eImgPreviewLink )
 323          return ;
 324  
 325      if ( GetE('txtUrl').value.length == 0 )
 326          eImgPreviewLink.style.display = 'none' ;
 327      else
 328      {
 329          UpdateImage( eImgPreview, true ) ;
 330  
 331          if ( GetE('txtLnkUrl').value.Trim().length > 0 )
 332              eImgPreviewLink.href = 'javascript:void(null);' ;
 333          else
 334              SetAttribute( eImgPreviewLink, 'href', '' ) ;
 335  
 336          eImgPreviewLink.style.display = '' ;
 337      }
 338  }
 339  
 340  var bLockRatio = true ;
 341  
 342  function SwitchLock( lockButton )
 343  {
 344      bLockRatio = !bLockRatio ;
 345      lockButton.className = bLockRatio ? 'BtnLocked' : 'BtnUnlocked' ;
 346      lockButton.title = bLockRatio ? 'Lock sizes' : 'Unlock sizes' ;
 347  
 348      if ( bLockRatio )
 349      {
 350          if ( GetE('txtWidth').value.length > 0 )
 351              OnSizeChanged( 'Width', GetE('txtWidth').value ) ;
 352          else
 353              OnSizeChanged( 'Height', GetE('txtHeight').value ) ;
 354      }
 355  }
 356  
 357  // Fired when the width or height input texts change
 358  function OnSizeChanged( dimension, value )
 359  {
 360      // Verifies if the aspect ration has to be maintained
 361      if ( oImageOriginal && bLockRatio )
 362      {
 363          var e = dimension == 'Width' ? GetE('txtHeight') : GetE('txtWidth') ;
 364  
 365          if ( value.length == 0 || isNaN( value ) )
 366          {
 367              e.value = '' ;
 368              return ;
 369          }
 370  
 371          if ( dimension == 'Width' )
 372              value = value == 0 ? 0 : Math.round( oImageOriginal.height * ( value  / oImageOriginal.width ) ) ;
 373          else
 374              value = value == 0 ? 0 : Math.round( oImageOriginal.width  * ( value / oImageOriginal.height ) ) ;
 375  
 376          if ( !isNaN( value ) )
 377              e.value = value ;
 378      }
 379  
 380      UpdatePreview() ;
 381  }
 382  
 383  // Fired when the Reset Size button is clicked
 384  function ResetSizes()
 385  {
 386      if ( ! oImageOriginal ) return ;
 387      if ( oEditor.FCKBrowserInfo.IsGecko && !oImageOriginal.complete )
 388      {
 389          setTimeout( ResetSizes, 50 ) ;
 390          return ;
 391      }
 392  
 393      GetE('txtWidth').value  = oImageOriginal.width ;
 394      GetE('txtHeight').value = oImageOriginal.height ;
 395  
 396      UpdatePreview() ;
 397  }
 398  
 399  function BrowseServer()
 400  {
 401      OpenServerBrowser(
 402          'Image',
 403          FCKConfig.ImageBrowserURL,
 404          FCKConfig.ImageBrowserWindowWidth,
 405          FCKConfig.ImageBrowserWindowHeight ) ;
 406  }
 407  
 408  function LnkBrowseServer()
 409  {
 410      OpenServerBrowser(
 411          'Link',
 412          FCKConfig.LinkBrowserURL,
 413          FCKConfig.LinkBrowserWindowWidth,
 414          FCKConfig.LinkBrowserWindowHeight ) ;
 415  }
 416  
 417  function OpenServerBrowser( type, url, width, height )
 418  {
 419      sActualBrowser = type ;
 420      OpenFileBrowser( url, width, height ) ;
 421  }
 422  
 423  var sActualBrowser ;
 424  
 425  function SetUrl( url, width, height, alt )
 426  {
 427      if ( sActualBrowser == 'Link' )
 428      {
 429          GetE('txtLnkUrl').value = url ;
 430          UpdatePreview() ;
 431      }
 432      else
 433      {
 434          GetE('txtUrl').value = url ;
 435          GetE('txtWidth').value = width ? width : '' ;
 436          GetE('txtHeight').value = height ? height : '' ;
 437  
 438          if ( alt )
 439              GetE('txtAlt').value = alt;
 440  
 441          UpdatePreview() ;
 442          UpdateOriginal( true ) ;
 443      }
 444  
 445      dialog.SetSelectedTab( 'Info' ) ;
 446  }
 447  
 448  function OnUploadCompleted( errorNumber, fileUrl, fileName, customMsg )
 449  {
 450      // Remove animation
 451      window.parent.Throbber.Hide() ;
 452      GetE( 'divUpload' ).style.display  = '' ;
 453  
 454      switch ( errorNumber )
 455      {
 456          case 0 :    // No errors
 457              alert( 'Your file has been successfully uploaded' ) ;
 458              break ;
 459          case 1 :    // Custom error
 460              alert( customMsg ) ;
 461              return ;
 462          case 101 :    // Custom warning
 463              alert( customMsg ) ;
 464              break ;
 465          case 201 :
 466              alert( 'A file with the same name is already available. The uploaded file has been renamed to "' + fileName + '"' ) ;
 467              break ;
 468          case 202 :
 469              alert( 'Invalid file type' ) ;
 470              return ;
 471          case 203 :
 472              alert( "Security error. You probably don't have enough permissions to upload. Please check your server." ) ;
 473              return ;
 474          case 500 :
 475              alert( 'The connector is disabled' ) ;
 476              break ;
 477          default :
 478              alert( 'Error on file upload. Error number: ' + errorNumber ) ;
 479              return ;
 480      }
 481  
 482      sActualBrowser = '' ;
 483      SetUrl( fileUrl ) ;
 484      GetE('frmUpload').reset() ;
 485  }
 486  
 487  var oUploadAllowedExtRegex    = new RegExp( FCKConfig.ImageUploadAllowedExtensions, 'i' ) ;
 488  var oUploadDeniedExtRegex    = new RegExp( FCKConfig.ImageUploadDeniedExtensions, 'i' ) ;
 489  
 490  function CheckUpload()
 491  {
 492      var sFile = GetE('txtUploadFile').value ;
 493  
 494      if ( sFile.length == 0 )
 495      {
 496          alert( 'Please select a file to upload' ) ;
 497          return false ;
 498      }
 499  
 500      if ( ( FCKConfig.ImageUploadAllowedExtensions.length > 0 && !oUploadAllowedExtRegex.test( sFile ) ) ||
 501          ( FCKConfig.ImageUploadDeniedExtensions.length > 0 && oUploadDeniedExtRegex.test( sFile ) ) )
 502      {
 503          OnUploadCompleted( 202 ) ;
 504          return false ;
 505      }
 506  
 507      // Show animation
 508      window.parent.Throbber.Show( 100 ) ;
 509      GetE( 'divUpload' ).style.display  = 'none' ;
 510  
 511      return true ;
 512  }