wp-includes/js/tinymce/plugins/wpview/plugin.js

   1 /* global tinymce */
   2
   3 /**
   4  * WordPress View plugin.
   5  */
   6 tinymce.PluginManager.add( 'wpview', function( editor ) {
   7         var $ = editor.$,
   8                 selected,
   9                 Env = tinymce.Env,
  10                 VK = tinymce.util.VK,
  11                 TreeWalker = tinymce.dom.TreeWalker,
  12                 toRemove = false,
  13                 firstFocus = true,
  14                 _noop = function() { return false; },
  15                 isios = /iPad|iPod|iPhone/.test( navigator.userAgent ),
  16                 cursorInterval,
  17                 lastKeyDownNode,
  18                 setViewCursorTries,
  19                 focus,
  20                 execCommandView,
  21                 execCommandBefore,
  22                 toolbar;
  23
  24         function getView( node ) {
  25                 return getParent( node, 'wpview-wrap' );
  26         }
  27
  28         /**
  29          * Returns the node or a parent of the node that has the passed className.
  30          * Doing this directly is about 40% faster
  31          */
  32         function getParent( node, className ) {
  33                 while ( node && node.parentNode ) {
  34                         if ( node.className && ( ' ' + node.className + ' ' ).indexOf( ' ' + className + ' ' ) !== -1 ) {
  35                                 return node;
  36                         }
  37
  38                         node = node.parentNode;
  39                 }
  40
  41                 return false;
  42         }
  43
  44         function _stop( event ) {
  45                 event.stopPropagation();
  46         }
  47
  48         function setViewCursor( before, view ) {
  49                 var location = before ? 'before' : 'after',
  50                         offset = before ? 0 : 1;
  51                 deselect();
  52                 editor.selection.setCursorLocation( editor.dom.select( '.wpview-selection-' + location, view )[0], offset );
  53                 editor.nodeChanged();
  54         }
  55
  56         function handleEnter( view, before, key ) {
  57                 var dom = editor.dom,
  58                         padNode = dom.create( 'p' );
  59
  60                 if ( ! ( Env.ie && Env.ie < 11 ) ) {
  61                         padNode.innerHTML = '<br data-mce-bogus="1">';
  62                 }
  63
  64                 if ( before ) {
  65                         view.parentNode.insertBefore( padNode, view );
  66                 } else {
  67                         dom.insertAfter( padNode, view );
  68                 }
  69
  70                 deselect();
  71
  72                 if ( before && key === VK.ENTER ) {
  73                         setViewCursor( before, view );
  74                 } else {
  75                         editor.selection.setCursorLocation( padNode, 0 );
  76                 }
  77
  78                 editor.nodeChanged();
  79         }
  80
  81         function removeView( view ) {
  82                 editor.undoManager.transact( function() {
  83                         handleEnter( view );
  84                         wp.mce.views.remove( editor, view );
  85                 });
  86         }
  87
  88         function select( viewNode ) {
  89                 var clipboard,
  90                         dom = editor.dom;
  91
  92                 if ( ! viewNode ) {
  93                         return;
  94                 }
  95
  96                 if ( viewNode !== selected ) {
  97                         // Make sure that the editor is focused.
  98                         // It is possible that the editor is not focused when the mouse event fires
  99                         // without focus, the selection will not work properly.
 100                         editor.getBody().focus();
 101
 102                         deselect();
 103                         selected = viewNode;
 104                         dom.setAttrib( viewNode, 'data-mce-selected', 1 );
 105
 106                         clipboard = dom.create( 'div', {
 107                                 'class': 'wpview-clipboard',
 108                                 'contenteditable': 'true'
 109                         }, wp.mce.views.getText( viewNode ) );
 110
 111                         editor.dom.select( '.wpview-body', viewNode )[0].appendChild( clipboard );
 112
 113                         // Both of the following are necessary to prevent manipulating the selection/focus
 114                         dom.bind( clipboard, 'beforedeactivate focusin focusout', _stop );
 115                         dom.bind( selected, 'beforedeactivate focusin focusout', _stop );
 116
 117                         // select the hidden div
 118                         if ( isios ) {
 119                                 editor.selection.select( clipboard );
 120                         } else {
 121                                 editor.selection.select( clipboard, true );
 122                         }
 123                 }
 124
 125                 editor.nodeChanged();
 126                 editor.fire( 'wpview-selected', viewNode );
 127         }
 128
 129         /**
 130          * Deselect a selected view and remove clipboard
 131          */
 132         function deselect() {
 133                 var clipboard,
 134                         dom = editor.dom;
 135
 136                 if ( selected ) {
 137                         clipboard = editor.dom.select( '.wpview-clipboard', selected )[0];
 138                         dom.unbind( clipboard );
 139                         dom.remove( clipboard );
 140
 141                         dom.unbind( selected, 'beforedeactivate focusin focusout click mouseup', _stop );
 142                         dom.setAttrib( selected, 'data-mce-selected', null );
 143                 }
 144
 145                 selected = null;
 146         }
 147
 148         // Check if the `wp.mce` API exists.
 149         if ( typeof wp === 'undefined' || ! wp.mce ) {
 150                 return {
 151                         getView: _noop
 152                 };
 153         }
 154
 155         function resetViewsCallback( match, viewText ) {
 156                 return '<p>' + window.decodeURIComponent( viewText ) + '</p>';
 157         }
 158
 159         // Replace the view tags with the view string
 160         function resetViews( content ) {
 161                 return content.replace( /<div[^>]+data-wpview-text="([^"]+)"[^>]*>(?:[\s\S]+?wpview-selection-after[^>]+>[^<>]*<\/p>\s*|\.)<\/div>/g, resetViewsCallback )
 162                         .replace( /<p [^>]*?data-wpview-marker="([^"]+)"[^>]*>[\s\S]*?<\/p>/g, resetViewsCallback );
 163         }
 164
 165         // Prevent adding undo levels on changes inside a view wrapper
 166         editor.on( 'BeforeAddUndo', function( event ) {
 167                 if ( event.level.content ) {
 168                         event.level.content = resetViews( event.level.content );
 169                 }
 170         });
 171
 172         // When the editor's content changes, scan the new content for
 173         // matching view patterns, and transform the matches into
 174         // view wrappers.
 175         editor.on( 'BeforeSetContent', function( event ) {
 176                 var node;
 177
 178                 if ( ! event.selection ) {
 179                         wp.mce.views.unbind();
 180                 }
 181
 182                 if ( ! event.content ) {
 183                         return;
 184                 }
 185
 186                 if ( ! event.load ) {
 187                         if ( selected ) {
 188                                 removeView( selected );
 189                         }
 190
 191                         node = editor.selection.getNode();
 192
 193                         if ( node && node !== editor.getBody() && /^\s*https?:\/\/\S+\s*$/i.test( event.content ) ) {
 194                                 // When a url is pasted or inserted, only try to embed it when it is in an empty paragrapgh.
 195                                 node = editor.dom.getParent( node, 'p' );
 196
 197                                 if ( node && /^[\s\uFEFF\u00A0]*$/.test( $( node ).text() || '' ) ) {
 198                                         // Make sure there are no empty inline elements in the <p>
 199                                         node.innerHTML = '';
 200                                 } else {
 201                                         return;
 202                                 }
 203                         }
 204                 }
 205
 206                 event.content = wp.mce.views.setMarkers( event.content );
 207         });
 208
 209         // When pasting strip all tags and check if the string is an URL.
 210         // Then replace the pasted content with the cleaned URL.
 211         editor.on( 'pastePreProcess', function( event ) {
 212                 var pastedStr = event.content;
 213
 214                 if ( pastedStr ) {
 215                         pastedStr = tinymce.trim( pastedStr.replace( /<[^>]+>/g, '' ) );
 216
 217                         if ( /^https?:\/\/\S+$/i.test( pastedStr ) ) {
 218                                 event.content = pastedStr;
 219                         }
 220                 }
 221         });
 222
 223         // When the editor's content has been updated and the DOM has been
 224         // processed, render the views in the document.
 225         editor.on( 'SetContent', function() {
 226                 wp.mce.views.render();
 227         });
 228
 229         // Set the cursor before or after a view when clicking next to it.
 230         editor.on( 'click', function( event ) {
 231                 var x = event.clientX,
 232                         y = event.clientY,
 233                         body = editor.getBody(),
 234                         bodyRect = body.getBoundingClientRect(),
 235                         first = body.firstChild,
 236                         last = body.lastChild,
 237                         firstRect, lastRect, view;
 238
 239                 if ( ! first || ! last ) {
 240                         return;
 241                 }
 242
 243                 firstRect = first.getBoundingClientRect();
 244                 lastRect = last.getBoundingClientRect();
 245
 246                 if ( y < firstRect.top && ( view = getView( first ) ) ) {
 247                         setViewCursor( true, view );
 248                         event.preventDefault();
 249                 } else if ( y > lastRect.bottom && ( view = getView( last ) ) ) {
 250                         setViewCursor( false, view );
 251                         event.preventDefault();
 252                 } else if ( x < bodyRect.left || x > bodyRect.right ) {
 253                         tinymce.each( editor.dom.select( '.wpview-wrap' ), function( view ) {
 254                                 var rect = view.getBoundingClientRect();
 255
 256                                 if ( y < rect.top ) {
 257                                         return false;
 258                                 }
 259
 260                                 if ( y >= rect.top && y <= rect.bottom ) {
 261                                         if ( x < bodyRect.left ) {
 262                                                 setViewCursor( true, view );
 263                                                 event.preventDefault();
 264                                         } else if ( x > bodyRect.right ) {
 265                                                 setViewCursor( false, view );
 266                                                 event.preventDefault();
 267                                         }
 268
 269                                         return false;
 270                                 }
 271                         });
 272                 }
 273         });
 274
 275         editor.on( 'init', function() {
 276                 var scrolled = false,
 277                         selection = editor.selection,
 278                         MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
 279
 280                 // When a view is selected, ensure content that is being pasted
 281                 // or inserted is added to a text node (instead of the view).
 282                 editor.on( 'BeforeSetContent', function() {
 283                         var walker, target,
 284                                 view = getView( selection.getNode() );
 285
 286                         // If the selection is not within a view, bail.
 287                         if ( ! view ) {
 288                                 return;
 289                         }
 290
 291                         if ( ! view.nextSibling || getView( view.nextSibling ) ) {
 292                                 // If there are no additional nodes or the next node is a
 293                                 // view, create a text node after the current view.
 294                                 target = editor.getDoc().createTextNode('');
 295                                 editor.dom.insertAfter( target, view );
 296                         } else {
 297                                 // Otherwise, find the next text node.
 298                                 walker = new TreeWalker( view.nextSibling, view.nextSibling );
 299                                 target = walker.next();
 300                         }
 301
 302                         // Select the `target` text node.
 303                         selection.select( target );
 304                         selection.collapse( true );
 305                 });
 306
 307                 editor.dom.bind( editor.getDoc(), 'touchmove', function() {
 308                         scrolled = true;
 309                 });
 310
 311                 editor.on( 'mousedown mouseup click touchend', function( event ) {
 312                         var view = getView( event.target );
 313
 314                         firstFocus = false;
 315
 316                         // Contain clicks inside the view wrapper
 317                         if ( view ) {
 318                                 event.stopImmediatePropagation();
 319                                 event.preventDefault();
 320
 321                                 if ( event.type === 'touchend' && scrolled ) {
 322                                         scrolled = false;
 323                                 } else {
 324                                         select( view );
 325                                 }
 326
 327                                 // Returning false stops the ugly bars from appearing in IE11 and stops the view being selected as a range in FF.
 328                                 // Unfortunately, it also inhibits the dragging of views to a new location.
 329                                 return false;
 330                         } else {
 331                                 if ( event.type === 'touchend' || event.type === 'mousedown' ) {
 332                                         deselect();
 333                                 }
 334                         }
 335
 336                         if ( event.type === 'touchend' && scrolled ) {
 337                                 scrolled = false;
 338                         }
 339                 }, true );
 340
 341                 if ( MutationObserver ) {
 342                         new MutationObserver( function() {
 343                                 editor.fire( 'wp-body-class-change' );
 344                         } )
 345                         .observe( editor.getBody(), {
 346                                 attributes: true,
 347                                 attributeFilter: ['class']
 348                         } );
 349                 }
 350
 351                 if ( tinymce.Env.ie ) {
 352                         // Prevent resize handles in newer IE
 353                         editor.dom.bind( editor.getBody(), 'controlselect mscontrolselect', function( event ) {
 354                                 if ( getView( event.target ) ) {
 355                                         event.preventDefault();
 356                                 }
 357                         });
 358                 }
 359         });
 360
 361         // Empty the wpview wrap and marker nodes
 362         function emptyViewNodes( rootNode ) {
 363                 $( 'div[data-wpview-text], p[data-wpview-marker]', rootNode ).each( function( i, node ) {
 364                         node.innerHTML = '.';
 365                 });
 366         }
 367
 368         // Run that before the DOM cleanup
 369         editor.on( 'PreProcess', function( event ) {
 370                 emptyViewNodes( event.node );
 371         }, true );
 372
 373         editor.on( 'hide', function() {
 374                 wp.mce.views.unbind();
 375                 deselect();
 376                 emptyViewNodes();
 377         });
 378
 379         editor.on( 'PostProcess', function( event ) {
 380                 if ( event.content ) {
 381                         event.content = event.content.replace( /<div [^>]*?data-wpview-text="([^"]+)"[^>]*>[\s\S]*?<\/div>/g, resetViewsCallback )
 382                                 .replace( /<p [^>]*?data-wpview-marker="([^"]+)"[^>]*>[\s\S]*?<\/p>/g, resetViewsCallback );
 383                 }
 384         });
 385
 386         // Excludes arrow keys, delete, backspace, enter, space bar.
 387         // Ref: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent.keyCode
 388         function isSpecialKey( key ) {
 389                 return ( ( key <= 47 && key !== VK.SPACEBAR && key !== VK.ENTER && key !== VK.DELETE && key !== VK.BACKSPACE && ( key < 37 || key > 40 ) ) ||
 390                         key >= 224 || // OEM or non-printable
 391                         ( key >= 144 && key <= 150 ) || // Num Lock, Scroll Lock, OEM
 392                         ( key >= 91 && key <= 93 ) || // Windows keys
 393                         ( key >= 112 && key <= 135 ) ); // F keys
 394         }
 395
 396         // (De)select views when arrow keys are used to navigate the content of the editor.
 397         editor.on( 'keydown', function( event ) {
 398                 var key = event.keyCode,
 399                         dom = editor.dom,
 400                         selection = editor.selection,
 401                         node, view, cursorBefore, cursorAfter,
 402                         range, clonedRange, tempRange;
 403
 404                 if ( selected ) {
 405                         // Ignore key presses that involve the command or control key, but continue when in combination with backspace or v.
 406                         // Also ignore the F# keys.
 407                         if ( ( ( event.metaKey || event.ctrlKey ) && key !== VK.BACKSPACE && key !== 86 ) || ( key >= 112 && key <= 123 ) ) {
 408                                 // Remove the view when pressing cmd/ctrl+x on keyup, otherwise the browser can't copy the content.
 409                                 if ( ( event.metaKey || event.ctrlKey ) && key === 88 ) {
 410                                         toRemove = selected;
 411                                 }
 412                                 return;
 413                         }
 414
 415                         view = getView( selection.getNode() );
 416
 417                         // If the caret is not within the selected view, deselect the view and bail.
 418                         if ( view !== selected ) {
 419                                 deselect();
 420                                 return;
 421                         }
 422
 423                         if ( key === VK.LEFT ) {
 424                                 setViewCursor( true, view );
 425                                 event.preventDefault();
 426                         } else if ( key === VK.UP ) {
 427                                 if ( view.previousSibling ) {
 428                                         if ( getView( view.previousSibling ) ) {
 429                                                 setViewCursor( true, view.previousSibling );
 430                                         } else {
 431                                                 deselect();
 432                                                 selection.select( view.previousSibling, true );
 433                                                 selection.collapse();
 434                                         }
 435                                 } else {
 436                                         setViewCursor( true, view );
 437                                 }
 438                                 event.preventDefault();
 439                         } else if ( key === VK.RIGHT ) {
 440                                 setViewCursor( false, view );
 441                                 event.preventDefault();
 442                         } else if ( key === VK.DOWN ) {
 443                                 if ( view.nextSibling ) {
 444                                         if ( getView( view.nextSibling ) ) {
 445                                                 setViewCursor( false, view.nextSibling );
 446                                         } else {
 447                                                 deselect();
 448                                                 selection.setCursorLocation( view.nextSibling, 0 );
 449                                         }
 450                                 } else {
 451                                         setViewCursor( false, view );
 452                                 }
 453
 454                                 event.preventDefault();
 455                         // Ignore keys that don't insert anything.
 456                         } else if ( ! isSpecialKey( key ) ) {
 457                                 removeView( selected );
 458
 459                                 if ( key === VK.ENTER || key === VK.DELETE || key === VK.BACKSPACE ) {
 460                                         event.preventDefault();
 461                                 }
 462                         }
 463                 } else {
 464                         if ( event.metaKey || event.ctrlKey || ( key >= 112 && key <= 123 ) ) {
 465                                 return;
 466                         }
 467
 468                         node = selection.getNode();
 469                         lastKeyDownNode = node;
 470                         view = getView( node );
 471
 472                         // Make sure we don't delete part of a view.
 473                         // If the range ends or starts with the view, we'll need to trim it.
 474                         if ( ! selection.isCollapsed() ) {
 475                                 range = selection.getRng();
 476
 477                                 if ( view = getView( range.endContainer ) ) {
 478                                         clonedRange = range.cloneRange();
 479                                         selection.select( view.previousSibling, true );
 480                                         selection.collapse();
 481                                         tempRange = selection.getRng();
 482                                         clonedRange.setEnd( tempRange.endContainer, tempRange.endOffset );
 483                                         selection.setRng( clonedRange );
 484                                 } else if ( view = getView( range.startContainer ) ) {
 485                                         clonedRange = range.cloneRange();
 486                                         clonedRange.setStart( view.nextSibling, 0 );
 487                                         selection.setRng( clonedRange );
 488                                 }
 489                         }
 490
 491                         if ( ! view ) {
 492                                 // Make sure we don't eat any content.
 493                                 if ( event.keyCode === VK.BACKSPACE ) {
 494                                         if ( editor.dom.isEmpty( node ) ) {
 495                                                 if ( view = getView( node.previousSibling ) ) {
 496                                                         setViewCursor( false, view );
 497                                                         editor.dom.remove( node );
 498                                                         event.preventDefault();
 499                                                 }
 500                                         } else if ( ( range = selection.getRng() ) &&
 501                                                         range.startOffset === 0 &&
 502                                                         range.endOffset === 0 &&
 503                                                         ( view = getView( node.previousSibling ) ) ) {
 504                                                 setViewCursor( false, view );
 505                                                 event.preventDefault();
 506                                         }
 507                                 }
 508                                 return;
 509                         }
 510
 511                         if ( ! ( ( cursorBefore = dom.hasClass( view, 'wpview-selection-before' ) ) ||
 512                                         ( cursorAfter = dom.hasClass( view, 'wpview-selection-after' ) ) ) ) {
 513                                 return;
 514                         }
 515
 516                         if ( isSpecialKey( key ) ) {
 517                                 // ignore
 518                                 return;
 519                         }
 520
 521                         if ( ( cursorAfter && key === VK.UP ) || ( cursorBefore && key === VK.BACKSPACE ) ) {
 522                                 if ( view.previousSibling ) {
 523                                         if ( getView( view.previousSibling ) ) {
 524                                                 setViewCursor( false, view.previousSibling );
 525                                         } else {
 526                                                 if ( dom.isEmpty( view.previousSibling ) && key === VK.BACKSPACE ) {
 527                                                         dom.remove( view.previousSibling );
 528                                                 } else {
 529                                                         selection.select( view.previousSibling, true );
 530                                                         selection.collapse();
 531                                                 }
 532                                         }
 533                                 } else {
 534                                         setViewCursor( true, view );
 535                                 }
 536                                 event.preventDefault();
 537                         } else if ( cursorAfter && ( key === VK.DOWN || key === VK.RIGHT ) ) {
 538                                 if ( view.nextSibling ) {
 539                                         if ( getView( view.nextSibling ) ) {
 540                                                 setViewCursor( key === VK.RIGHT, view.nextSibling );
 541                                         } else {
 542                                                 selection.setCursorLocation( view.nextSibling, 0 );
 543                                         }
 544                                 }
 545                                 event.preventDefault();
 546                         } else if ( cursorBefore && ( key === VK.UP || key ===  VK.LEFT ) ) {
 547                                 if ( view.previousSibling ) {
 548                                         if ( getView( view.previousSibling ) ) {
 549                                                 setViewCursor( key === VK.UP, view.previousSibling );
 550                                         } else {
 551                                                 selection.select( view.previousSibling, true );
 552                                                 selection.collapse();
 553                                         }
 554                                 }
 555                                 event.preventDefault();
 556                         } else if ( cursorBefore && key === VK.DOWN ) {
 557                                 if ( view.nextSibling ) {
 558                                         if ( getView( view.nextSibling ) ) {
 559                                                 setViewCursor( true, view.nextSibling );
 560                                         } else {
 561                                                 selection.setCursorLocation( view.nextSibling, 0 );
 562                                         }
 563                                 } else {
 564                                         setViewCursor( false, view );
 565                                 }
 566                                 event.preventDefault();
 567                         } else if ( ( cursorAfter && key === VK.LEFT ) || ( cursorBefore && key === VK.RIGHT ) ) {
 568                                 select( view );
 569                                 event.preventDefault();
 570                         } else if ( cursorAfter && key === VK.BACKSPACE ) {
 571                                 removeView( view );
 572                                 event.preventDefault();
 573                         } else if ( cursorAfter ) {
 574                                 handleEnter( view );
 575                         } else if ( cursorBefore ) {
 576                                 handleEnter( view , true, key );
 577                         }
 578
 579                         if ( key === VK.ENTER ) {
 580                                 event.preventDefault();
 581                         }
 582                 }
 583         });
 584
 585         editor.on( 'keyup', function() {
 586                 if ( toRemove ) {
 587                         removeView( toRemove );
 588                         toRemove = false;
 589                 }
 590         });
 591
 592         editor.on( 'focus', function() {
 593                 var view;
 594
 595                 focus = true;
 596                 editor.dom.addClass( editor.getBody(), 'has-focus' );
 597
 598                 // Edge case: show the fake caret when the editor is focused for the first time
 599                 // and the first element is a view.
 600                 if ( firstFocus && ( view = getView( editor.getBody().firstChild ) ) ) {
 601                         setViewCursor( true, view );
 602                 }
 603
 604                 firstFocus = false;
 605         } );
 606
 607         editor.on( 'blur', function() {
 608                 focus = false;
 609                 editor.dom.removeClass( editor.getBody(), 'has-focus' );
 610         } );
 611
 612         editor.on( 'NodeChange', function( event ) {
 613                 var dom = editor.dom,
 614                         views = editor.dom.select( '.wpview-wrap' ),
 615                         className = event.element.className,
 616                         view = getView( event.element ),
 617                         lKDN = lastKeyDownNode;
 618
 619                 lastKeyDownNode = false;
 620
 621                 clearInterval( cursorInterval );
 622
 623                 // This runs a lot and is faster than replacing each class separately
 624                 tinymce.each( views, function ( view ) {
 625                         if ( view.className ) {
 626                                 view.className = view.className.replace( / ?\bwpview-(?:selection-before|selection-after|cursor-hide)\b/g, '' );
 627                         }
 628                 });
 629
 630                 if ( focus && view ) {
 631                         if ( ( className === 'wpview-selection-before' || className === 'wpview-selection-after' ) &&
 632                                 editor.selection.isCollapsed() ) {
 633
 634                                 setViewCursorTries = 0;
 635
 636                                 deselect();
 637
 638                                 // Make sure the cursor arrived in the right node.
 639                                 // This is necessary for Firefox.
 640                                 if ( lKDN === view.previousSibling ) {
 641                                         setViewCursor( true, view );
 642                                         return;
 643                                 } else if ( lKDN === view.nextSibling ) {
 644                                         setViewCursor( false, view );
 645                                         return;
 646                                 }
 647
 648                                 dom.addClass( view, className );
 649
 650                                 cursorInterval = setInterval( function() {
 651                                         if ( dom.hasClass( view, 'wpview-cursor-hide' ) ) {
 652                                                 dom.removeClass( view, 'wpview-cursor-hide' );
 653                                         } else {
 654                                                 dom.addClass( view, 'wpview-cursor-hide' );
 655                                         }
 656                                 }, 500 );
 657                         // If the cursor lands anywhere else in the view, set the cursor before it.
 658                         // Only try this once to prevent a loop. (You never know.)
 659                         } else if ( ! getParent( event.element, 'wpview-clipboard' ) && ! setViewCursorTries ) {
 660                                 deselect();
 661                                 setViewCursorTries++;
 662                                 setViewCursor( true, view );
 663                         }
 664                 }
 665         });
 666
 667         editor.on( 'BeforeExecCommand', function() {
 668                 var node = editor.selection.getNode(),
 669                         view;
 670
 671                 if ( node && ( ( execCommandBefore = node.className === 'wpview-selection-before' ) || node.className === 'wpview-selection-after' ) && ( view = getView( node ) ) ) {
 672                         handleEnter( view, execCommandBefore );
 673                         execCommandView = view;
 674                 }
 675         });
 676
 677         editor.on( 'ExecCommand', function() {
 678                 var toSelect, node;
 679
 680                 if ( selected ) {
 681                         toSelect = selected;
 682                         deselect();
 683                         select( toSelect );
 684                 }
 685
 686                 if ( execCommandView ) {
 687                         node = execCommandView[ execCommandBefore ? 'previousSibling' : 'nextSibling' ];
 688
 689                         if ( node && node.nodeName === 'P' && editor.dom.isEmpty( node ) ) {
 690                                 editor.dom.remove( node );
 691                                 setViewCursor( execCommandBefore, execCommandView );
 692                         }
 693
 694                         execCommandView = false;
 695                 }
 696         });
 697
 698         editor.on( 'ResolveName', function( event ) {
 699                 if ( editor.dom.hasClass( event.target, 'wpview-wrap' ) ) {
 700                         event.name = editor.dom.getAttrib( event.target, 'data-wpview-type' ) || 'wpview';
 701                         event.stopPropagation();
 702                 } else if ( getView( event.target ) ) {
 703                         event.preventDefault();
 704                         event.stopPropagation();
 705                 }
 706         });
 707
 708         editor.addButton( 'wp_view_edit', {
 709                 tooltip: 'Edit ', // trailing space is needed, used for context
 710                 icon: 'dashicon dashicons-edit',
 711                 onclick: function() {
 712                         selected && wp.mce.views.edit( editor, selected );
 713                 }
 714         } );
 715
 716         editor.addButton( 'wp_view_remove', {
 717                 tooltip: 'Remove',
 718                 icon: 'dashicon dashicons-no',
 719                 onclick: function() {
 720                         selected && removeView( selected );
 721                 }
 722         } );
 723
 724         editor.once( 'preinit', function() {
 725                 if ( editor.wp && editor.wp._createToolbar ) {
 726                         toolbar = editor.wp._createToolbar( [
 727                                 'wp_view_edit',
 728                                 'wp_view_remove'
 729                         ] );
 730                 }
 731         } );
 732
 733         editor.on( 'wptoolbar', function( event ) {
 734                 if ( selected ) {
 735                         event.element = selected;
 736                         event.toolbar = toolbar;
 737                 }
 738         } );
 739
 740         // Add to editor.wp
 741         editor.wp = editor.wp || {};
 742         editor.wp.getView = getView;
 743         editor.wp.setViewCursor = setViewCursor;
 744
 745         // Keep for back-compat.
 746         return {
 747                 getView: getView
 748         };
 749 });