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