sources/plugins/link/plugin.js

   1 /**
   2  * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
   3  * For licensing, see LICENSE.md or http://ckeditor.com/license
   4  */
   5
   6 'use strict';
   7
   8 ( function() {
   9         CKEDITOR.plugins.add( 'link', {
  10                 requires: 'dialog,fakeobjects',
  11                 // jscs:disable maximumLineLength
  12                 lang: 'af,ar,az,bg,bn,bs,ca,cs,cy,da,de,de-ch,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,oc,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
  13                 // jscs:enable maximumLineLength
  14                 icons: 'anchor,anchor-rtl,link,unlink', // %REMOVE_LINE_CORE%
  15                 hidpi: true, // %REMOVE_LINE_CORE%
  16                 onLoad: function() {
  17                         // Add the CSS styles for anchor placeholders.
  18                         var iconPath = CKEDITOR.getUrl( this.path + 'images' + ( CKEDITOR.env.hidpi ? '/hidpi' : '' ) + '/anchor.png' ),
  19                                 baseStyle = 'background:url(' + iconPath + ') no-repeat %1 center;border:1px dotted #00f;background-size:16px;';
  20
  21                         var template = '.%2 a.cke_anchor,' +
  22                                 '.%2 a.cke_anchor_empty' +
  23                                 ',.cke_editable.%2 a[name]' +
  24                                 ',.cke_editable.%2 a[data-cke-saved-name]' +
  25                                 '{' +
  26                                         baseStyle +
  27                                         'padding-%1:18px;' +
  28                                         // Show the arrow cursor for the anchor image (FF at least).
  29                                         'cursor:auto;' +
  30                                 '}' +
  31                                 '.%2 img.cke_anchor' +
  32                                 '{' +
  33                                         baseStyle +
  34                                         'width:16px;' +
  35                                         'min-height:15px;' +
  36                                         // The default line-height on IE.
  37                                         'height:1.15em;' +
  38                                         // Opera works better with "middle" (even if not perfect)
  39                                         'vertical-align:text-bottom;' +
  40                                 '}';
  41
  42                         // Styles with contents direction awareness.
  43                         function cssWithDir( dir ) {
  44                                 return template.replace( /%1/g, dir == 'rtl' ? 'right' : 'left' ).replace( /%2/g, 'cke_contents_' + dir );
  45                         }
  46
  47                         CKEDITOR.addCss( cssWithDir( 'ltr' ) + cssWithDir( 'rtl' ) );
  48                 },
  49
  50                 init: function( editor ) {
  51                         var allowed = 'a[!href]',
  52                                 required = 'a[href]';
  53
  54                         if ( CKEDITOR.dialog.isTabEnabled( editor, 'link', 'advanced' ) )
  55                                 allowed = allowed.replace( ']', ',accesskey,charset,dir,id,lang,name,rel,tabindex,title,type,download]{*}(*)' );
  56                         if ( CKEDITOR.dialog.isTabEnabled( editor, 'link', 'target' ) )
  57                                 allowed = allowed.replace( ']', ',target,onclick]' );
  58
  59                         // Add the link and unlink buttons.
  60                         editor.addCommand( 'link', new CKEDITOR.dialogCommand( 'link', {
  61                                 allowedContent: allowed,
  62                                 requiredContent: required
  63                         } ) );
  64                         editor.addCommand( 'anchor', new CKEDITOR.dialogCommand( 'anchor', {
  65                                 allowedContent: 'a[!name,id]',
  66                                 requiredContent: 'a[name]'
  67                         } ) );
  68                         editor.addCommand( 'unlink', new CKEDITOR.unlinkCommand() );
  69                         editor.addCommand( 'removeAnchor', new CKEDITOR.removeAnchorCommand() );
  70
  71                         editor.setKeystroke( CKEDITOR.CTRL + 76 /*L*/, 'link' );
  72
  73                         if ( editor.ui.addButton ) {
  74                                 editor.ui.addButton( 'Link', {
  75                                         label: editor.lang.link.toolbar,
  76                                         command: 'link',
  77                                         toolbar: 'links,10'
  78                                 } );
  79                                 editor.ui.addButton( 'Unlink', {
  80                                         label: editor.lang.link.unlink,
  81                                         command: 'unlink',
  82                                         toolbar: 'links,20'
  83                                 } );
  84                                 editor.ui.addButton( 'Anchor', {
  85                                         label: editor.lang.link.anchor.toolbar,
  86                                         command: 'anchor',
  87                                         toolbar: 'links,30'
  88                                 } );
  89                         }
  90
  91                         CKEDITOR.dialog.add( 'link', this.path + 'dialogs/link.js' );
  92                         CKEDITOR.dialog.add( 'anchor', this.path + 'dialogs/anchor.js' );
  93
  94                         editor.on( 'doubleclick', function( evt ) {
  95                                 var element = CKEDITOR.plugins.link.getSelectedLink( editor ) || evt.data.element;
  96
  97                                 if ( !element.isReadOnly() ) {
  98                                         if ( element.is( 'a' ) ) {
  99                                                 evt.data.dialog = ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) ? 'anchor' : 'link';
 100
 101                                                 // Pass the link to be selected along with event data.
 102                                                 evt.data.link = element;
 103                                         } else if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) ) {
 104                                                 evt.data.dialog = 'anchor';
 105                                         }
 106                                 }
 107                         }, null, null, 0 );
 108
 109                         // If event was cancelled, link passed in event data will not be selected.
 110                         editor.on( 'doubleclick', function( evt ) {
 111                                 // Make sure both links and anchors are selected (#11822).
 112                                 if ( evt.data.dialog in { link: 1, anchor: 1 } && evt.data.link )
 113                                         editor.getSelection().selectElement( evt.data.link );
 114                         }, null, null, 20 );
 115
 116                         // If the "menu" plugin is loaded, register the menu items.
 117                         if ( editor.addMenuItems ) {
 118                                 editor.addMenuItems( {
 119                                         anchor: {
 120                                                 label: editor.lang.link.anchor.menu,
 121                                                 command: 'anchor',
 122                                                 group: 'anchor',
 123                                                 order: 1
 124                                         },
 125
 126                                         removeAnchor: {
 127                                                 label: editor.lang.link.anchor.remove,
 128                                                 command: 'removeAnchor',
 129                                                 group: 'anchor',
 130                                                 order: 5
 131                                         },
 132
 133                                         link: {
 134                                                 label: editor.lang.link.menu,
 135                                                 command: 'link',
 136                                                 group: 'link',
 137                                                 order: 1
 138                                         },
 139
 140                                         unlink: {
 141                                                 label: editor.lang.link.unlink,
 142                                                 command: 'unlink',
 143                                                 group: 'link',
 144                                                 order: 5
 145                                         }
 146                                 } );
 147                         }
 148
 149                         // If the "contextmenu" plugin is loaded, register the listeners.
 150                         if ( editor.contextMenu ) {
 151                                 editor.contextMenu.addListener( function( element ) {
 152                                         if ( !element || element.isReadOnly() )
 153                                                 return null;
 154
 155                                         var anchor = CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element );
 156
 157                                         if ( !anchor && !( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) )
 158                                                 return null;
 159
 160                                         var menu = {};
 161
 162                                         if ( anchor.getAttribute( 'href' ) && anchor.getChildCount() )
 163                                                 menu = { link: CKEDITOR.TRISTATE_OFF, unlink: CKEDITOR.TRISTATE_OFF };
 164
 165                                         if ( anchor && anchor.hasAttribute( 'name' ) )
 166                                                 menu.anchor = menu.removeAnchor = CKEDITOR.TRISTATE_OFF;
 167
 168                                         return menu;
 169                                 } );
 170                         }
 171
 172                         this.compiledProtectionFunction = getCompiledProtectionFunction( editor );
 173                 },
 174
 175                 afterInit: function( editor ) {
 176                         // Empty anchors upcasting to fake objects.
 177                         editor.dataProcessor.dataFilter.addRules( {
 178                                 elements: {
 179                                         a: function( element ) {
 180                                                 if ( !element.attributes.name )
 181                                                         return null;
 182
 183                                                 if ( !element.children.length )
 184                                                         return editor.createFakeParserElement( element, 'cke_anchor', 'anchor' );
 185
 186                                                 return null;
 187                                         }
 188                                 }
 189                         } );
 190
 191                         var pathFilters = editor._.elementsPath && editor._.elementsPath.filters;
 192                         if ( pathFilters ) {
 193                                 pathFilters.push( function( element, name ) {
 194                                         if ( name == 'a' ) {
 195                                                 if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) || ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) )
 196                                                         return 'anchor';
 197                                         }
 198                                 } );
 199                         }
 200                 }
 201         } );
 202
 203         // Loads the parameters in a selected link to the link dialog fields.
 204         var javascriptProtocolRegex = /^javascript:/,
 205                 emailRegex = /^mailto:([^?]+)(?:\?(.+))?$/,
 206                 emailSubjectRegex = /subject=([^;?:@&=$,\/]*)/i,
 207                 emailBodyRegex = /body=([^;?:@&=$,\/]*)/i,
 208                 anchorRegex = /^#(.*)$/,
 209                 urlRegex = /^((?:http|https|ftp|news):\/\/)?(.*)$/,
 210                 selectableTargets = /^(_(?:self|top|parent|blank))$/,
 211                 encodedEmailLinkRegex = /^javascript:void\(location\.href='mailto:'\+String\.fromCharCode\(([^)]+)\)(?:\+'(.*)')?\)$/,
 212                 functionCallProtectedEmailLinkRegex = /^javascript:([^(]+)\(([^)]+)\)$/,
 213                 popupRegex = /\s*window.open\(\s*this\.href\s*,\s*(?:'([^']*)'|null)\s*,\s*'([^']*)'\s*\)\s*;\s*return\s*false;*\s*/,
 214                 popupFeaturesRegex = /(?:^|,)([^=]+)=(\d+|yes|no)/gi;
 215
 216         var advAttrNames = {
 217                 id: 'advId',
 218                 dir: 'advLangDir',
 219                 accessKey: 'advAccessKey',
 220                 // 'data-cke-saved-name': 'advName',
 221                 name: 'advName',
 222                 lang: 'advLangCode',
 223                 tabindex: 'advTabIndex',
 224                 title: 'advTitle',
 225                 type: 'advContentType',
 226                 'class': 'advCSSClasses',
 227                 charset: 'advCharset',
 228                 style: 'advStyles',
 229                 rel: 'advRel'
 230         };
 231
 232         function unescapeSingleQuote( str ) {
 233                 return str.replace( /\\'/g, '\'' );
 234         }
 235
 236         function escapeSingleQuote( str ) {
 237                 return str.replace( /'/g, '\\$&' );
 238         }
 239
 240         function protectEmailAddressAsEncodedString( address ) {
 241                 var charCode,
 242                         length = address.length,
 243                         encodedChars = [];
 244
 245                 for ( var i = 0; i < length; i++ ) {
 246                         charCode = address.charCodeAt( i );
 247                         encodedChars.push( charCode );
 248                 }
 249
 250                 return 'String.fromCharCode(' + encodedChars.join( ',' ) + ')';
 251         }
 252
 253         function protectEmailLinkAsFunction( editor, email ) {
 254                 var plugin = editor.plugins.link,
 255                         name = plugin.compiledProtectionFunction.name,
 256                         params = plugin.compiledProtectionFunction.params,
 257                         paramName, paramValue, retval;
 258
 259                 retval = [ name, '(' ];
 260                 for ( var i = 0; i < params.length; i++ ) {
 261                         paramName = params[ i ].toLowerCase();
 262                         paramValue = email[ paramName ];
 263
 264                         i > 0 && retval.push( ',' );
 265                         retval.push( '\'', paramValue ? escapeSingleQuote( encodeURIComponent( email[ paramName ] ) ) : '', '\'' );
 266                 }
 267                 retval.push( ')' );
 268                 return retval.join( '' );
 269         }
 270
 271         function getCompiledProtectionFunction( editor ) {
 272                 var emailProtection = editor.config.emailProtection || '',
 273                         compiledProtectionFunction;
 274
 275                 // Compile the protection function pattern.
 276                 if ( emailProtection && emailProtection != 'encode' ) {
 277                         compiledProtectionFunction = {};
 278
 279                         emailProtection.replace( /^([^(]+)\(([^)]+)\)$/, function( match, funcName, params ) {
 280                                 compiledProtectionFunction.name = funcName;
 281                                 compiledProtectionFunction.params = [];
 282                                 params.replace( /[^,\s]+/g, function( param ) {
 283                                         compiledProtectionFunction.params.push( param );
 284                                 } );
 285                         } );
 286                 }
 287
 288                 return compiledProtectionFunction;
 289         }
 290
 291         /**
 292          * Set of Link plugin helpers.
 293          *
 294          * @class
 295          * @singleton
 296          */
 297         CKEDITOR.plugins.link = {
 298                 /**
 299                  * Get the surrounding link element of the current selection.
 300                  *
 301                  *              CKEDITOR.plugins.link.getSelectedLink( editor );
 302                  *
 303                  *              // The following selections will all return the link element.
 304                  *
 305                  *              <a href="#">li^nk</a>
 306                  *              <a href="#">[link]</a>
 307                  *              text[<a href="#">link]</a>
 308                  *              <a href="#">li[nk</a>]
 309                  *              [<b><a href="#">li]nk</a></b>]
 310                  *              [<a href="#"><b>li]nk</b></a>
 311                  *
 312                  * @since 3.2.1
 313                  * @param {CKEDITOR.editor} editor
 314                  */
 315                 getSelectedLink: function( editor ) {
 316                         var selection = editor.getSelection();
 317                         var selectedElement = selection.getSelectedElement();
 318                         if ( selectedElement && selectedElement.is( 'a' ) )
 319                                 return selectedElement;
 320
 321                         var range = selection.getRanges()[ 0 ];
 322
 323                         if ( range ) {
 324                                 range.shrink( CKEDITOR.SHRINK_TEXT );
 325                                 return editor.elementPath( range.getCommonAncestor() ).contains( 'a', 1 );
 326                         }
 327                         return null;
 328                 },
 329
 330                 /**
 331                  * Collects anchors available in the editor (i.e. used by the Link plugin).
 332                  * Note that the scope of search is different for inline (the "global" document) and
 333                  * classic (`iframe`-based) editors (the "inner" document).
 334                  *
 335                  * @since 4.3.3
 336                  * @param {CKEDITOR.editor} editor
 337                  * @returns {CKEDITOR.dom.element[]} An array of anchor elements.
 338                  */
 339                 getEditorAnchors: function( editor ) {
 340                         var editable = editor.editable(),
 341
 342                                 // The scope of search for anchors is the entire document for inline editors
 343                                 // and editor's editable for classic editor/divarea (#11359).
 344                                 scope = ( editable.isInline() && !editor.plugins.divarea ) ? editor.document : editable,
 345
 346                                 links = scope.getElementsByTag( 'a' ),
 347                                 imgs = scope.getElementsByTag( 'img' ),
 348                                 anchors = [],
 349                                 i = 0,
 350                                 item;
 351
 352                         // Retrieve all anchors within the scope.
 353                         while ( ( item = links.getItem( i++ ) ) ) {
 354                                 if ( item.data( 'cke-saved-name' ) || item.hasAttribute( 'name' ) ) {
 355                                         anchors.push( {
 356                                                 name: item.data( 'cke-saved-name' ) || item.getAttribute( 'name' ),
 357                                                 id: item.getAttribute( 'id' )
 358                                         } );
 359                                 }
 360                         }
 361                         // Retrieve all "fake anchors" within the scope.
 362                         i = 0;
 363
 364                         while ( ( item = imgs.getItem( i++ ) ) ) {
 365                                 if ( ( item = this.tryRestoreFakeAnchor( editor, item ) ) ) {
 366                                         anchors.push( {
 367                                                 name: item.getAttribute( 'name' ),
 368                                                 id: item.getAttribute( 'id' )
 369                                         } );
 370                                 }
 371                         }
 372
 373                         return anchors;
 374                 },
 375
 376                 /**
 377                  * Opera and WebKit do not make it possible to select empty anchors. Fake
 378                  * elements must be used for them.
 379                  *
 380                  * @readonly
 381                  * @deprecated 4.3.3 It is set to `true` in every browser.
 382                  * @property {Boolean}
 383                  */
 384                 fakeAnchor: true,
 385
 386                 /**
 387                  * For browsers that do not support CSS3 `a[name]:empty()`. Note that IE9 is included because of #7783.
 388                  *
 389                  * @readonly
 390                  * @deprecated 4.3.3 It is set to `false` in every browser.
 391                  * @property {Boolean} synAnchorSelector
 392                  */
 393
 394                 /**
 395                  * For browsers that have editing issues with an empty anchor.
 396                  *
 397                  * @readonly
 398                  * @deprecated 4.3.3 It is set to `false` in every browser.
 399                  * @property {Boolean} emptyAnchorFix
 400                  */
 401
 402                 /**
 403                  * Returns an element representing a real anchor restored from a fake anchor.
 404                  *
 405                  * @param {CKEDITOR.editor} editor
 406                  * @param {CKEDITOR.dom.element} element
 407                  * @returns {CKEDITOR.dom.element} Restored anchor element or nothing if the
 408                  * passed element was not a fake anchor.
 409                  */
 410                 tryRestoreFakeAnchor: function( editor, element ) {
 411                         if ( element && element.data( 'cke-real-element-type' ) && element.data( 'cke-real-element-type' ) == 'anchor' ) {
 412                                 var link = editor.restoreRealElement( element );
 413                                 if ( link.data( 'cke-saved-name' ) )
 414                                         return link;
 415                         }
 416                 },
 417
 418                 /**
 419                  * Parses attributes of the link element and returns an object representing
 420                  * the current state (data) of the link. This data format is a plain object accepted
 421                  * e.g. by the Link dialog window and {@link #getLinkAttributes}.
 422                  *
 423                  * **Note:** Data model format produced by the parser must be compatible with the Link
 424                  * plugin dialog because it is passed directly to {@link CKEDITOR.dialog#setupContent}.
 425                  *
 426                  * @since 4.4
 427                  * @param {CKEDITOR.editor} editor
 428                  * @param {CKEDITOR.dom.element} element
 429                  * @returns {Object} An object of link data.
 430                  */
 431                 parseLinkAttributes: function( editor, element ) {
 432                         var href = ( element && ( element.data( 'cke-saved-href' ) || element.getAttribute( 'href' ) ) ) || '',
 433                                 compiledProtectionFunction = editor.plugins.link.compiledProtectionFunction,
 434                                 emailProtection = editor.config.emailProtection,
 435                                 javascriptMatch, emailMatch, anchorMatch, urlMatch,
 436                                 retval = {};
 437
 438                         if ( ( javascriptMatch = href.match( javascriptProtocolRegex ) ) ) {
 439                                 if ( emailProtection == 'encode' ) {
 440                                         href = href.replace( encodedEmailLinkRegex, function( match, protectedAddress, rest ) {
 441                                                 // Without it 'undefined' is appended to e-mails without subject and body (#9192).
 442                                                 rest = rest || '';
 443
 444                                                 return 'mailto:' +
 445                                                         String.fromCharCode.apply( String, protectedAddress.split( ',' ) ) +
 446                                                         unescapeSingleQuote( rest );
 447                                         } );
 448                                 }
 449                                 // Protected email link as function call.
 450                                 else if ( emailProtection ) {
 451                                         href.replace( functionCallProtectedEmailLinkRegex, function( match, funcName, funcArgs ) {
 452                                                 if ( funcName == compiledProtectionFunction.name ) {
 453                                                         retval.type = 'email';
 454                                                         var email = retval.email = {};
 455
 456                                                         var paramRegex = /[^,\s]+/g,
 457                                                                 paramQuoteRegex = /(^')|('$)/g,
 458                                                                 paramsMatch = funcArgs.match( paramRegex ),
 459                                                                 paramsMatchLength = paramsMatch.length,
 460                                                                 paramName, paramVal;
 461
 462                                                         for ( var i = 0; i < paramsMatchLength; i++ ) {
 463                                                                 paramVal = decodeURIComponent( unescapeSingleQuote( paramsMatch[ i ].replace( paramQuoteRegex, '' ) ) );
 464                                                                 paramName = compiledProtectionFunction.params[ i ].toLowerCase();
 465                                                                 email[ paramName ] = paramVal;
 466                                                         }
 467                                                         email.address = [ email.name, email.domain ].join( '@' );
 468                                                 }
 469                                         } );
 470                                 }
 471                         }
 472
 473                         if ( !retval.type ) {
 474                                 if ( ( anchorMatch = href.match( anchorRegex ) ) ) {
 475                                         retval.type = 'anchor';
 476                                         retval.anchor = {};
 477                                         retval.anchor.name = retval.anchor.id = anchorMatch[ 1 ];
 478                                 }
 479                                 // Protected email link as encoded string.
 480                                 else if ( ( emailMatch = href.match( emailRegex ) ) ) {
 481                                         var subjectMatch = href.match( emailSubjectRegex ),
 482                                                 bodyMatch = href.match( emailBodyRegex );
 483
 484                                         retval.type = 'email';
 485                                         var email = ( retval.email = {} );
 486                                         email.address = emailMatch[ 1 ];
 487                                         subjectMatch && ( email.subject = decodeURIComponent( subjectMatch[ 1 ] ) );
 488                                         bodyMatch && ( email.body = decodeURIComponent( bodyMatch[ 1 ] ) );
 489                                 }
 490                                 // urlRegex matches empty strings, so need to check for href as well.
 491                                 else if ( href && ( urlMatch = href.match( urlRegex ) ) ) {
 492                                         retval.type = 'url';
 493                                         retval.url = {};
 494                                         retval.url.protocol = urlMatch[ 1 ];
 495                                         retval.url.url = urlMatch[ 2 ];
 496                                 }
 497                         }
 498
 499                         // Load target and popup settings.
 500                         if ( element ) {
 501                                 var target = element.getAttribute( 'target' );
 502
 503                                 // IE BUG: target attribute is an empty string instead of null in IE if it's not set.
 504                                 if ( !target ) {
 505                                         var onclick = element.data( 'cke-pa-onclick' ) || element.getAttribute( 'onclick' ),
 506                                                 onclickMatch = onclick && onclick.match( popupRegex );
 507
 508                                         if ( onclickMatch ) {
 509                                                 retval.target = {
 510                                                         type: 'popup',
 511                                                         name: onclickMatch[ 1 ]
 512                                                 };
 513
 514                                                 var featureMatch;
 515                                                 while ( ( featureMatch = popupFeaturesRegex.exec( onclickMatch[ 2 ] ) ) ) {
 516                                                         // Some values should remain numbers (#7300)
 517                                                         if ( ( featureMatch[ 2 ] == 'yes' || featureMatch[ 2 ] == '1' ) && !( featureMatch[ 1 ] in { height: 1, width: 1, top: 1, left: 1 } ) )
 518                                                                 retval.target[ featureMatch[ 1 ] ] = true;
 519                                                         else if ( isFinite( featureMatch[ 2 ] ) )
 520                                                                 retval.target[ featureMatch[ 1 ] ] = featureMatch[ 2 ];
 521                                                 }
 522                                         }
 523                                 } else {
 524                                         retval.target = {
 525                                                 type: target.match( selectableTargets ) ? target : 'frame',
 526                                                 name: target
 527                                         };
 528                                 }
 529
 530                                 var download = element.getAttribute( 'download' );
 531                                 if ( download !== null ) {
 532                                         retval.download = true;
 533                                 }
 534
 535                                 var advanced = {};
 536
 537                                 for ( var a in advAttrNames ) {
 538                                         var val = element.getAttribute( a );
 539
 540                                         if ( val )
 541                                                 advanced[ advAttrNames[ a ] ] = val;
 542                                 }
 543
 544                                 var advName = element.data( 'cke-saved-name' ) || advanced.advName;
 545
 546                                 if ( advName )
 547                                         advanced.advName = advName;
 548
 549                                 if ( !CKEDITOR.tools.isEmpty( advanced ) )
 550                                         retval.advanced = advanced;
 551                         }
 552
 553                         return retval;
 554                 },
 555
 556                 /**
 557                  * Converts link data produced by {@link #parseLinkAttributes} into an object which consists
 558                  * of attributes to be set (with their values) and an array of attributes to be removed.
 559                  * This method can be used to compose or to update any link element with the given data.
 560                  *
 561                  * @since 4.4
 562                  * @param {CKEDITOR.editor} editor
 563                  * @param {Object} data Data in {@link #parseLinkAttributes} format.
 564                  * @returns {Object} An object consisting of two keys, i.e.:
 565                  *
 566                  *              {
 567                  *                      // Attributes to be set.
 568                  *                      set: {
 569                  *                              href: 'http://foo.bar',
 570                  *                              target: 'bang'
 571                  *                      },
 572                  *                      // Attributes to be removed.
 573                  *                      removed: [
 574                  *                              'id', 'style'
 575                  *                      ]
 576                  *              }
 577                  *
 578                  */
 579                 getLinkAttributes: function( editor, data ) {
 580                         var emailProtection = editor.config.emailProtection || '',
 581                                 set = {};
 582
 583                         // Compose the URL.
 584                         switch ( data.type ) {
 585                                 case 'url':
 586                                         var protocol = ( data.url && data.url.protocol !== undefined ) ? data.url.protocol : 'http://',
 587                                                 url = ( data.url && CKEDITOR.tools.trim( data.url.url ) ) || '';
 588
 589                                         set[ 'data-cke-saved-href' ] = ( url.indexOf( '/' ) === 0 ) ? url : protocol + url;
 590
 591                                         break;
 592                                 case 'anchor':
 593                                         var name = ( data.anchor && data.anchor.name ),
 594                                                 id = ( data.anchor && data.anchor.id );
 595
 596                                         set[ 'data-cke-saved-href' ] = '#' + ( name || id || '' );
 597
 598                                         break;
 599                                 case 'email':
 600                                         var email = data.email,
 601                                                 address = email.address,
 602                                                 linkHref;
 603
 604                                         switch ( emailProtection ) {
 605                                                 case '':
 606                                                 case 'encode':
 607                                                         var subject = encodeURIComponent( email.subject || '' ),
 608                                                                 body = encodeURIComponent( email.body || '' ),
 609                                                                 argList = [];
 610
 611                                                         // Build the e-mail parameters first.
 612                                                         subject && argList.push( 'subject=' + subject );
 613                                                         body && argList.push( 'body=' + body );
 614                                                         argList = argList.length ? '?' + argList.join( '&' ) : '';
 615
 616                                                         if ( emailProtection == 'encode' ) {
 617                                                                 linkHref = [
 618                                                                         'javascript:void(location.href=\'mailto:\'+', // jshint ignore:line
 619                                                                         protectEmailAddressAsEncodedString( address )
 620                                                                 ];
 621                                                                 // parameters are optional.
 622                                                                 argList && linkHref.push( '+\'', escapeSingleQuote( argList ), '\'' );
 623
 624                                                                 linkHref.push( ')' );
 625                                                         } else {
 626                                                                 linkHref = [ 'mailto:', address, argList ];
 627                                                         }
 628
 629                                                         break;
 630                                                 default:
 631                                                         // Separating name and domain.
 632                                                         var nameAndDomain = address.split( '@', 2 );
 633                                                         email.name = nameAndDomain[ 0 ];
 634                                                         email.domain = nameAndDomain[ 1 ];
 635
 636                                                         linkHref = [ 'javascript:', protectEmailLinkAsFunction( editor, email ) ]; // jshint ignore:line
 637                                         }
 638
 639                                         set[ 'data-cke-saved-href' ] = linkHref.join( '' );
 640                                         break;
 641                         }
 642
 643                         // Popups and target.
 644                         if ( data.target ) {
 645                                 if ( data.target.type == 'popup' ) {
 646                                         var onclickList = [
 647                                                         'window.open(this.href, \'', data.target.name || '', '\', \''
 648                                                 ],
 649                                                 featureList = [
 650                                                         'resizable', 'status', 'location', 'toolbar', 'menubar', 'fullscreen', 'scrollbars', 'dependent'
 651                                                 ],
 652                                                 featureLength = featureList.length,
 653                                                 addFeature = function( featureName ) {
 654                                                         if ( data.target[ featureName ] )
 655                                                                 featureList.push( featureName + '=' + data.target[ featureName ] );
 656                                                 };
 657
 658                                         for ( var i = 0; i < featureLength; i++ )
 659                                                 featureList[ i ] = featureList[ i ] + ( data.target[ featureList[ i ] ] ? '=yes' : '=no' );
 660
 661                                         addFeature( 'width' );
 662                                         addFeature( 'left' );
 663                                         addFeature( 'height' );
 664                                         addFeature( 'top' );
 665
 666                                         onclickList.push( featureList.join( ',' ), '\'); return false;' );
 667                                         set[ 'data-cke-pa-onclick' ] = onclickList.join( '' );
 668                                 }
 669                                 else if ( data.target.type != 'notSet' && data.target.name ) {
 670                                         set.target = data.target.name;
 671                                 }
 672                         }
 673
 674                         // Force download attribute.
 675                         if ( data.download ) {
 676                                 set.download = '';
 677                         }
 678
 679                         // Advanced attributes.
 680                         if ( data.advanced ) {
 681                                 for ( var a in advAttrNames ) {
 682                                         var val = data.advanced[ advAttrNames[ a ] ];
 683
 684                                         if ( val )
 685                                                 set[ a ] = val;
 686                                 }
 687
 688                                 if ( set.name )
 689                                         set[ 'data-cke-saved-name' ] = set.name;
 690                         }
 691
 692                         // Browser need the "href" fro copy/paste link to work. (#6641)
 693                         if ( set[ 'data-cke-saved-href' ] )
 694                                 set.href = set[ 'data-cke-saved-href' ];
 695
 696                         var removed = {
 697                                 target: 1,
 698                                 onclick: 1,
 699                                 'data-cke-pa-onclick': 1,
 700                                 'data-cke-saved-name': 1,
 701                                 'download': 1
 702                         };
 703
 704                         if ( data.advanced )
 705                                 CKEDITOR.tools.extend( removed, advAttrNames );
 706
 707                         // Remove all attributes which are not currently set.
 708                         for ( var s in set )
 709                                 delete removed[ s ];
 710
 711                         return {
 712                                 set: set,
 713                                 removed: CKEDITOR.tools.objectKeys( removed )
 714                         };
 715                 },
 716
 717
 718                 /**
 719                  * Determines whether an element should have a "Display Text" field in the Link dialog.
 720                  *
 721                  * @since 4.5.11
 722                  * @param {CKEDITOR.dom.element/null} element Selected element, `null` if none selected or if a ranged selection
 723                  * is made.
 724                  * @param {CKEDITOR.editor} editor The editor instance for which the check is performed.
 725                  * @returns {Boolean}
 726                  */
 727                 showDisplayTextForElement: function( element, editor ) {
 728                         var undesiredElements = {
 729                                 img: 1,
 730                                 table: 1,
 731                                 tbody: 1,
 732                                 thead: 1,
 733                                 tfoot: 1,
 734                                 input: 1,
 735                                 select: 1,
 736                                 textarea: 1
 737                         };
 738
 739                         // Widget duck typing, we don't want to show display text for widgets.
 740                         if ( editor.widgets && editor.widgets.focused ) {
 741                                 return false;
 742                         }
 743
 744                         return !element || !element.getName || !element.is( undesiredElements );
 745                 }
 746         };
 747
 748         // TODO Much probably there's no need to expose these as public objects.
 749
 750         CKEDITOR.unlinkCommand = function() {};
 751         CKEDITOR.unlinkCommand.prototype = {
 752                 exec: function( editor ) {
 753                         var style = new CKEDITOR.style( { element: 'a', type: CKEDITOR.STYLE_INLINE, alwaysRemoveElement: 1 } );
 754                         editor.removeStyle( style );
 755                 },
 756
 757                 refresh: function( editor, path ) {
 758                         // Despite our initial hope, document.queryCommandEnabled() does not work
 759                         // for this in Firefox. So we must detect the state by element paths.
 760
 761                         var element = path.lastElement && path.lastElement.getAscendant( 'a', true );
 762
 763                         if ( element && element.getName() == 'a' && element.getAttribute( 'href' ) && element.getChildCount() )
 764                                 this.setState( CKEDITOR.TRISTATE_OFF );
 765                         else
 766                                 this.setState( CKEDITOR.TRISTATE_DISABLED );
 767                 },
 768
 769                 contextSensitive: 1,
 770                 startDisabled: 1,
 771                 requiredContent: 'a[href]'
 772         };
 773
 774         CKEDITOR.removeAnchorCommand = function() {};
 775         CKEDITOR.removeAnchorCommand.prototype = {
 776                 exec: function( editor ) {
 777                         var sel = editor.getSelection(),
 778                                 bms = sel.createBookmarks(),
 779                                 anchor;
 780                         if ( sel && ( anchor = sel.getSelectedElement() ) && ( !anchor.getChildCount() ? CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, anchor ) : anchor.is( 'a' ) ) )
 781                                 anchor.remove( 1 );
 782                         else {
 783                                 if ( ( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) ) {
 784                                         if ( anchor.hasAttribute( 'href' ) ) {
 785                                                 anchor.removeAttributes( { name: 1, 'data-cke-saved-name': 1 } );
 786                                                 anchor.removeClass( 'cke_anchor' );
 787                                         } else {
 788                                                 anchor.remove( 1 );
 789                                         }
 790                                 }
 791                         }
 792                         sel.selectBookmarks( bms );
 793                 },
 794                 requiredContent: 'a[name]'
 795         };
 796
 797         CKEDITOR.tools.extend( CKEDITOR.config, {
 798                 /**
 799                  * Whether to show the Advanced tab in the Link dialog window.
 800                  *
 801                  * @cfg {Boolean} [linkShowAdvancedTab=true]
 802                  * @member CKEDITOR.config
 803                  */
 804                 linkShowAdvancedTab: true,
 805
 806                 /**
 807                  * Whether to show the Target tab in the Link dialog window.
 808                  *
 809                  * @cfg {Boolean} [linkShowTargetTab=true]
 810                  * @member CKEDITOR.config
 811                  */
 812                 linkShowTargetTab: true
 813
 814                 /**
 815                  * Whether JavaScript code is allowed as a `href` attribute in an anchor tag.
 816                  * With this option enabled it is possible to create links like:
 817                  *
 818                  *              <a href="javascript:alert('Hello world!')">hello world</a>
 819                  *
 820                  * By default JavaScript links are not allowed and will not pass
 821                  * the Link dialog window validation.
 822                  *
 823                  * @since 4.4.1
 824                  * @cfg {Boolean} [linkJavaScriptLinksAllowed=false]
 825                  * @member CKEDITOR.config
 826                  */
 827         } );
 828 } )();