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   1  /**
   2   * @file Contains all dynamic functionality needed on post and term pages.
   3   *
   4   * @output wp-admin/js/post.js
   5   */
   6  
   7   /* global ajaxurl, wpAjax, postboxes, pagenow, tinymce, alert, deleteUserSetting, ClipboardJS */
   8   /* global theList:true, theExtraList:true, getUserSetting, setUserSetting, commentReply, commentsBox */
   9   /* global WPSetThumbnailHTML, wptitlehint */
  10  
  11  // Backward compatibility: prevent fatal errors.
  12  window.makeSlugeditClickable = window.editPermalink = function(){};
  13  
  14  // Make sure the wp object exists.
  15  window.wp = window.wp || {};
  16  
  17  ( function( $ ) {
  18      var titleHasFocus = false,
  19          __ = wp.i18n.__;
  20  
  21      /**
  22       * Control loading of comments on the post and term edit pages.
  23       *
  24       * @type {{st: number, get: commentsBox.get, load: commentsBox.load}}
  25       *
  26       * @namespace commentsBox
  27       */
  28      window.commentsBox = {
  29          // Comment offset to use when fetching new comments.
  30          st : 0,
  31  
  32          /**
  33           * Fetch comments using Ajax and display them in the box.
  34           *
  35           * @memberof commentsBox
  36           *
  37           * @param {number} total Total number of comments for this post.
  38           * @param {number} num   Optional. Number of comments to fetch, defaults to 20.
  39           * @return {boolean} Always returns false.
  40           */
  41          get : function(total, num) {
  42              var st = this.st, data;
  43              if ( ! num )
  44                  num = 20;
  45  
  46              this.st += num;
  47              this.total = total;
  48              $( '#commentsdiv .spinner' ).addClass( 'is-active' );
  49  
  50              data = {
  51                  'action' : 'get-comments',
  52                  'mode' : 'single',
  53                  '_ajax_nonce' : $('#add_comment_nonce').val(),
  54                  'p' : $('#post_ID').val(),
  55                  'start' : st,
  56                  'number' : num
  57              };
  58  
  59              $.post(
  60                  ajaxurl,
  61                  data,
  62                  function(r) {
  63                      r = wpAjax.parseAjaxResponse(r);
  64                      $('#commentsdiv .widefat').show();
  65                      $( '#commentsdiv .spinner' ).removeClass( 'is-active' );
  66  
  67                      if ( 'object' == typeof r && r.responses[0] ) {
  68                          $('#the-comment-list').append( r.responses[0].data );
  69  
  70                          theList = theExtraList = null;
  71                          $( 'a[className*=\':\']' ).off();
  72  
  73                          // If the offset is over the total number of comments we cannot fetch any more, so hide the button.
  74                          if ( commentsBox.st > commentsBox.total )
  75                              $('#show-comments').hide();
  76                          else
  77                              $('#show-comments').show().children('a').text( __( 'Show more comments' ) );
  78  
  79                          return;
  80                      } else if ( 1 == r ) {
  81                          $('#show-comments').text( __( 'No more comments found.' ) );
  82                          return;
  83                      }
  84  
  85                      $('#the-comment-list').append('<tr><td colspan="2">'+wpAjax.broken+'</td></tr>');
  86                  }
  87              );
  88  
  89              return false;
  90          },
  91  
  92          /**
  93           * Load the next batch of comments.
  94           *
  95           * @memberof commentsBox
  96           *
  97           * @param {number} total Total number of comments to load.
  98           */
  99          load: function(total){
 100              this.st = jQuery('#the-comment-list tr.comment:visible').length;
 101              this.get(total);
 102          }
 103      };
 104  
 105      /**
 106       * Overwrite the content of the Featured Image postbox
 107       *
 108       * @param {string} html New HTML to be displayed in the content area of the postbox.
 109       *
 110       * @global
 111       */
 112      window.WPSetThumbnailHTML = function(html){
 113          $('.inside', '#postimagediv').html(html);
 114      };
 115  
 116      /**
 117       * Set the Image ID of the Featured Image
 118       *
 119       * @param {number} id The post_id of the image to use as Featured Image.
 120       *
 121       * @global
 122       */
 123      window.WPSetThumbnailID = function(id){
 124          var field = $('input[value="_thumbnail_id"]', '#list-table');
 125          if ( field.length > 0 ) {
 126              $('#meta\\[' + field.attr('id').match(/[0-9]+/) + '\\]\\[value\\]').text(id);
 127          }
 128      };
 129  
 130      /**
 131       * Remove the Featured Image
 132       *
 133       * @param {string} nonce Nonce to use in the request.
 134       *
 135       * @global
 136       */
 137      window.WPRemoveThumbnail = function(nonce){
 138          $.post(
 139              ajaxurl, {
 140                  action: 'set-post-thumbnail',
 141                  post_id: $( '#post_ID' ).val(),
 142                  thumbnail_id: -1,
 143                  _ajax_nonce: nonce,
 144                  cookie: encodeURIComponent( document.cookie )
 145              },
 146              /**
 147               * Handle server response
 148               *
 149               * @param {string} str Response, will be '0' when an error occurred otherwise contains link to add Featured Image.
 150               */
 151              function(str){
 152                  if ( str == '0' ) {
 153                      alert( __( 'Could not set that as the thumbnail image. Try a different attachment.' ) );
 154                  } else {
 155                      WPSetThumbnailHTML(str);
 156                  }
 157              }
 158          );
 159      };
 160  
 161      /**
 162       * Heartbeat locks.
 163       *
 164       * Used to lock editing of an object by only one user at a time.
 165       *
 166       * When the user does not send a heartbeat in a heartbeat-time
 167       * the user is no longer editing and another user can start editing.
 168       */
 169      $(document).on( 'heartbeat-send.refresh-lock', function( e, data ) {
 170          var lock = $('#active_post_lock').val(),
 171              post_id = $('#post_ID').val(),
 172              send = {};
 173  
 174          if ( ! post_id || ! $('#post-lock-dialog').length )
 175              return;
 176  
 177          send.post_id = post_id;
 178  
 179          if ( lock )
 180              send.lock = lock;
 181  
 182          data['wp-refresh-post-lock'] = send;
 183  
 184      }).on( 'heartbeat-tick.refresh-lock', function( e, data ) {
 185          // Post locks: update the lock string or show the dialog if somebody has taken over editing.
 186          var received, wrap, avatar;
 187  
 188          if ( data['wp-refresh-post-lock'] ) {
 189              received = data['wp-refresh-post-lock'];
 190  
 191              if ( received.lock_error ) {
 192                  // Show "editing taken over" message.
 193                  wrap = $('#post-lock-dialog');
 194  
 195                  if ( wrap.length && ! wrap.is(':visible') ) {
 196                      if ( wp.autosave ) {
 197                          // Save the latest changes and disable.
 198                          $(document).one( 'heartbeat-tick', function() {
 199                              wp.autosave.server.suspend();
 200                              wrap.removeClass('saving').addClass('saved');
 201                              $(window).off( 'beforeunload.edit-post' );
 202                          });
 203  
 204                          wrap.addClass('saving');
 205                          wp.autosave.server.triggerSave();
 206                      }
 207  
 208                      if ( received.lock_error.avatar_src ) {
 209                          avatar = $( '<img />', {
 210                              'class': 'avatar avatar-64 photo',
 211                              width: 64,
 212                              height: 64,
 213                              alt: '',
 214                              src: received.lock_error.avatar_src,
 215                              srcset: received.lock_error.avatar_src_2x ?
 216                                  received.lock_error.avatar_src_2x + ' 2x' :
 217                                  undefined
 218                          } );
 219                          wrap.find('div.post-locked-avatar').empty().append( avatar );
 220                      }
 221  
 222                      wrap.show().find('.currently-editing').text( received.lock_error.text );
 223                      wrap.find('.wp-tab-first').trigger( 'focus' );
 224                  }
 225              } else if ( received.new_lock ) {
 226                  $('#active_post_lock').val( received.new_lock );
 227              }
 228          }
 229      }).on( 'before-autosave.update-post-slug', function() {
 230          titleHasFocus = document.activeElement && document.activeElement.id === 'title';
 231      }).on( 'after-autosave.update-post-slug', function() {
 232  
 233          /*
 234           * Create slug area only if not already there
 235           * and the title field was not focused (user was not typing a title) when autosave ran.
 236           */
 237          if ( ! $('#edit-slug-box > *').length && ! titleHasFocus ) {
 238              $.post( ajaxurl, {
 239                      action: 'sample-permalink',
 240                      post_id: $('#post_ID').val(),
 241                      new_title: $('#title').val(),
 242                      samplepermalinknonce: $('#samplepermalinknonce').val()
 243                  },
 244                  function( data ) {
 245                      if ( data != '-1' ) {
 246                          $('#edit-slug-box').html(data);
 247                      }
 248                  }
 249              );
 250          }
 251      });
 252  
 253  }(jQuery));
 254  
 255  /**
 256   * Heartbeat refresh nonces.
 257   */
 258  (function($) {
 259      var check, timeout;
 260  
 261      /**
 262       * Only allow to check for nonce refresh every 30 seconds.
 263       */
 264  	function schedule() {
 265          check = false;
 266          window.clearTimeout( timeout );
 267          timeout = window.setTimeout( function(){ check = true; }, 300000 );
 268      }
 269  
 270      $( function() {
 271          schedule();
 272      }).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
 273          var post_id,
 274              $authCheck = $('#wp-auth-check-wrap');
 275  
 276          if ( check || ( $authCheck.length && ! $authCheck.hasClass( 'hidden' ) ) ) {
 277              if ( ( post_id = $('#post_ID').val() ) && $('#_wpnonce').val() ) {
 278                  data['wp-refresh-post-nonces'] = {
 279                      post_id: post_id
 280                  };
 281              }
 282          }
 283      }).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
 284          var nonces = data['wp-refresh-post-nonces'];
 285  
 286          if ( nonces ) {
 287              schedule();
 288  
 289              if ( nonces.replace ) {
 290                  $.each( nonces.replace, function( selector, value ) {
 291                      $( '#' + selector ).val( value );
 292                  });
 293              }
 294  
 295              if ( nonces.heartbeatNonce )
 296                  window.heartbeatSettings.nonce = nonces.heartbeatNonce;
 297          }
 298      });
 299  }(jQuery));
 300  
 301  /**
 302   * All post and postbox controls and functionality.
 303   */
 304  jQuery( function($) {
 305      var stamp, visibility, $submitButtons, updateVisibility, updateText,
 306          $textarea = $('#content'),
 307          $document = $(document),
 308          postId = $('#post_ID').val() || 0,
 309          $submitpost = $('#submitpost'),
 310          releaseLock = true,
 311          $postVisibilitySelect = $('#post-visibility-select'),
 312          $timestampdiv = $('#timestampdiv'),
 313          $postStatusSelect = $('#post-status-select'),
 314          isMac = window.navigator.platform ? window.navigator.platform.indexOf( 'Mac' ) !== -1 : false,
 315          copyAttachmentURLClipboard = new ClipboardJS( '.copy-attachment-url.edit-media' ),
 316          copyAttachmentURLSuccessTimeout,
 317          __ = wp.i18n.__, _x = wp.i18n._x;
 318  
 319      postboxes.add_postbox_toggles(pagenow);
 320  
 321      /*
 322       * Clear the window name. Otherwise if this is a former preview window where the user navigated to edit another post,
 323       * and the first post is still being edited, clicking Preview there will use this window to show the preview.
 324       */
 325      window.name = '';
 326  
 327      // Post locks: contain focus inside the dialog. If the dialog is shown, focus the first item.
 328      $('#post-lock-dialog .notification-dialog').on( 'keydown', function(e) {
 329          // Don't do anything when [Tab] is pressed.
 330          if ( e.which != 9 )
 331              return;
 332  
 333          var target = $(e.target);
 334  
 335          // [Shift] + [Tab] on first tab cycles back to last tab.
 336          if ( target.hasClass('wp-tab-first') && e.shiftKey ) {
 337              $(this).find('.wp-tab-last').trigger( 'focus' );
 338              e.preventDefault();
 339          // [Tab] on last tab cycles back to first tab.
 340          } else if ( target.hasClass('wp-tab-last') && ! e.shiftKey ) {
 341              $(this).find('.wp-tab-first').trigger( 'focus' );
 342              e.preventDefault();
 343          }
 344      }).filter(':visible').find('.wp-tab-first').trigger( 'focus' );
 345  
 346      // Set the heartbeat interval to 15 seconds if post lock dialogs are enabled.
 347      if ( wp.heartbeat && $('#post-lock-dialog').length ) {
 348          wp.heartbeat.interval( 15 );
 349      }
 350  
 351      // The form is being submitted by the user.
 352      $submitButtons = $submitpost.find( ':submit, a.submitdelete, #post-preview' ).on( 'click.edit-post', function( event ) {
 353          var $button = $(this);
 354  
 355          if ( $button.hasClass('disabled') ) {
 356              event.preventDefault();
 357              return;
 358          }
 359  
 360          if ( $button.hasClass('submitdelete') || $button.is( '#post-preview' ) ) {
 361              return;
 362          }
 363  
 364          // The form submission can be blocked from JS or by using HTML 5.0 validation on some fields.
 365          // Run this only on an actual 'submit'.
 366          $('form#post').off( 'submit.edit-post' ).on( 'submit.edit-post', function( event ) {
 367              if ( event.isDefaultPrevented() ) {
 368                  return;
 369              }
 370  
 371              // Stop auto save.
 372              if ( wp.autosave ) {
 373                  wp.autosave.server.suspend();
 374              }
 375  
 376              if ( typeof commentReply !== 'undefined' ) {
 377                  /*
 378                   * Warn the user they have an unsaved comment before submitting
 379                   * the post data for update.
 380                   */
 381                  if ( ! commentReply.discardCommentChanges() ) {
 382                      return false;
 383                  }
 384  
 385                  /*
 386                   * Close the comment edit/reply form if open to stop the form
 387                   * action from interfering with the post's form action.
 388                   */
 389                  commentReply.close();
 390              }
 391  
 392              releaseLock = false;
 393              $(window).off( 'beforeunload.edit-post' );
 394  
 395              $submitButtons.addClass( 'disabled' );
 396  
 397              if ( $button.attr('id') === 'publish' ) {
 398                  $submitpost.find( '#major-publishing-actions .spinner' ).addClass( 'is-active' );
 399              } else {
 400                  $submitpost.find( '#minor-publishing .spinner' ).addClass( 'is-active' );
 401              }
 402          });
 403      });
 404  
 405      // Submit the form saving a draft or an autosave, and show a preview in a new tab.
 406      $('#post-preview').on( 'click.post-preview', function( event ) {
 407          var $this = $(this),
 408              $form = $('form#post'),
 409              $previewField = $('input#wp-preview'),
 410              target = $this.attr('target') || 'wp-preview',
 411              ua = navigator.userAgent.toLowerCase();
 412  
 413          event.preventDefault();
 414  
 415          if ( $this.hasClass('disabled') ) {
 416              return;
 417          }
 418  
 419          if ( wp.autosave ) {
 420              wp.autosave.server.tempBlockSave();
 421          }
 422  
 423          $previewField.val('dopreview');
 424          $form.attr( 'target', target ).trigger( 'submit' ).attr( 'target', '' );
 425  
 426          // Workaround for WebKit bug preventing a form submitting twice to the same action.
 427          // https://bugs.webkit.org/show_bug.cgi?id=28633
 428          if ( ua.indexOf('safari') !== -1 && ua.indexOf('chrome') === -1 ) {
 429              $form.attr( 'action', function( index, value ) {
 430                  return value + '?t=' + ( new Date() ).getTime();
 431              });
 432          }
 433  
 434          $previewField.val('');
 435      });
 436  
 437      // This code is meant to allow tabbing from Title to Post content.
 438      $('#title').on( 'keydown.editor-focus', function( event ) {
 439          var editor;
 440  
 441          if ( event.keyCode === 9 && ! event.ctrlKey && ! event.altKey && ! event.shiftKey ) {
 442              editor = typeof tinymce != 'undefined' && tinymce.get('content');
 443  
 444              if ( editor && ! editor.isHidden() ) {
 445                  editor.focus();
 446              } else if ( $textarea.length ) {
 447                  $textarea.trigger( 'focus' );
 448              } else {
 449                  return;
 450              }
 451  
 452              event.preventDefault();
 453          }
 454      });
 455  
 456      // Auto save new posts after a title is typed.
 457      if ( $( '#auto_draft' ).val() ) {
 458          $( '#title' ).on( 'blur', function() {
 459              var cancel;
 460  
 461              if ( ! this.value || $('#edit-slug-box > *').length ) {
 462                  return;
 463              }
 464  
 465              // Cancel the auto save when the blur was triggered by the user submitting the form.
 466              $('form#post').one( 'submit', function() {
 467                  cancel = true;
 468              });
 469  
 470              window.setTimeout( function() {
 471                  if ( ! cancel && wp.autosave ) {
 472                      wp.autosave.server.triggerSave();
 473                  }
 474              }, 200 );
 475          });
 476      }
 477  
 478      $document.on( 'autosave-disable-buttons.edit-post', function() {
 479          $submitButtons.addClass( 'disabled' );
 480      }).on( 'autosave-enable-buttons.edit-post', function() {
 481          if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
 482              $submitButtons.removeClass( 'disabled' );
 483          }
 484      }).on( 'before-autosave.edit-post', function() {
 485          $( '.autosave-message' ).text( __( 'Saving Draft…' ) );
 486      }).on( 'after-autosave.edit-post', function( event, data ) {
 487          $( '.autosave-message' ).text( data.message );
 488  
 489          if ( $( document.body ).hasClass( 'post-new-php' ) ) {
 490              $( '.submitbox .submitdelete' ).show();
 491          }
 492      });
 493  
 494      /*
 495       * When the user is trying to load another page, or reloads current page
 496       * show a confirmation dialog when there are unsaved changes.
 497       */
 498      $( window ).on( 'beforeunload.edit-post', function( event ) {
 499          var editor  = window.tinymce && window.tinymce.get( 'content' );
 500          var changed = false;
 501  
 502          if ( wp.autosave ) {
 503              changed = wp.autosave.server.postChanged();
 504          } else if ( editor ) {
 505              changed = ( ! editor.isHidden() && editor.isDirty() );
 506          }
 507  
 508          if ( changed ) {
 509              event.preventDefault();
 510              // The return string is needed for browser compat.
 511              // See https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event.
 512              return __( 'The changes you made will be lost if you navigate away from this page.' );
 513          }
 514      }).on( 'unload.edit-post', function( event ) {
 515          if ( ! releaseLock ) {
 516              return;
 517          }
 518  
 519          /*
 520           * Unload is triggered (by hand) on removing the Thickbox iframe.
 521           * Make sure we process only the main document unload.
 522           */
 523          if ( event.target && event.target.nodeName != '#document' ) {
 524              return;
 525          }
 526  
 527          var postID = $('#post_ID').val();
 528          var postLock = $('#active_post_lock').val();
 529  
 530          if ( ! postID || ! postLock ) {
 531              return;
 532          }
 533  
 534          var data = {
 535              action: 'wp-remove-post-lock',
 536              _wpnonce: $('#_wpnonce').val(),
 537              post_ID: postID,
 538              active_post_lock: postLock
 539          };
 540  
 541          if ( window.FormData && window.navigator.sendBeacon ) {
 542              var formData = new window.FormData();
 543  
 544              $.each( data, function( key, value ) {
 545                  formData.append( key, value );
 546              });
 547  
 548              if ( window.navigator.sendBeacon( ajaxurl, formData ) ) {
 549                  return;
 550              }
 551          }
 552  
 553          // Fall back to a synchronous POST request.
 554          // See https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
 555          $.post({
 556              async: false,
 557              data: data,
 558              url: ajaxurl
 559          });
 560      });
 561  
 562      // Multiple taxonomies.
 563      if ( $('#tagsdiv-post_tag').length ) {
 564          window.tagBox && window.tagBox.init();
 565      } else {
 566          $('.meta-box-sortables').children('div.postbox').each(function(){
 567              if ( this.id.indexOf('tagsdiv-') === 0 ) {
 568                  window.tagBox && window.tagBox.init();
 569                  return false;
 570              }
 571          });
 572      }
 573  
 574      // Handle categories.
 575      $('.categorydiv').each( function(){
 576          var this_id = $(this).attr('id'), catAddBefore, catAddAfter, taxonomyParts, taxonomy, settingName;
 577  
 578          taxonomyParts = this_id.split('-');
 579          taxonomyParts.shift();
 580          taxonomy = taxonomyParts.join('-');
 581          settingName = taxonomy + '_tab';
 582  
 583          if ( taxonomy == 'category' ) {
 584              settingName = 'cats';
 585          }
 586  
 587          // @todo Move to jQuery 1.3+, support for multiple hierarchical taxonomies, see wp-lists.js.
 588          $('a', '#' + taxonomy + '-tabs').on( 'click', function( e ) {
 589              e.preventDefault();
 590              var t = $(this).attr('href');
 591              $(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
 592              $('#' + taxonomy + '-tabs').siblings('.tabs-panel').hide();
 593              $(t).show();
 594              if ( '#' + taxonomy + '-all' == t ) {
 595                  deleteUserSetting( settingName );
 596              } else {
 597                  setUserSetting( settingName, 'pop' );
 598              }
 599          });
 600  
 601          if ( getUserSetting( settingName ) )
 602              $('a[href="#' + taxonomy + '-pop"]', '#' + taxonomy + '-tabs').trigger( 'click' );
 603  
 604          // Add category button controls.
 605          $('#new' + taxonomy).one( 'focus', function() {
 606              $( this ).val( '' ).removeClass( 'form-input-tip' );
 607          });
 608  
 609          // On [Enter] submit the taxonomy.
 610          $('#new' + taxonomy).on( 'keypress', function(event){
 611              if( 13 === event.keyCode ) {
 612                  event.preventDefault();
 613                  $('#' + taxonomy + '-add-submit').trigger( 'click' );
 614              }
 615          });
 616  
 617          // After submitting a new taxonomy, re-focus the input field.
 618          $('#' + taxonomy + '-add-submit').on( 'click', function() {
 619              $('#new' + taxonomy).trigger( 'focus' );
 620          });
 621  
 622          /**
 623           * Before adding a new taxonomy, disable submit button.
 624           *
 625           * @param {Object} s Taxonomy object which will be added.
 626           *
 627           * @return {Object}
 628           */
 629          catAddBefore = function( s ) {
 630              if ( !$('#new'+taxonomy).val() ) {
 631                  return false;
 632              }
 633  
 634              s.data += '&' + $( ':checked', '#'+taxonomy+'checklist' ).serialize();
 635              $( '#' + taxonomy + '-add-submit' ).prop( 'disabled', true );
 636              return s;
 637          };
 638  
 639          /**
 640           * Re-enable submit button after a taxonomy has been added.
 641           *
 642           * Re-enable submit button.
 643           * If the taxonomy has a parent place the taxonomy underneath the parent.
 644           *
 645           * @param {Object} r Response.
 646           * @param {Object} s Taxonomy data.
 647           *
 648           * @return {void}
 649           */
 650          catAddAfter = function( r, s ) {
 651              var sup, drop = $('#new'+taxonomy+'_parent');
 652  
 653              $( '#' + taxonomy + '-add-submit' ).prop( 'disabled', false );
 654              if ( 'undefined' != s.parsed.responses[0] && (sup = s.parsed.responses[0].supplemental.newcat_parent) ) {
 655                  drop.before(sup);
 656                  drop.remove();
 657              }
 658          };
 659  
 660          $('#' + taxonomy + 'checklist').wpList({
 661              alt: '',
 662              response: taxonomy + '-ajax-response',
 663              addBefore: catAddBefore,
 664              addAfter: catAddAfter
 665          });
 666  
 667          // Add new taxonomy button toggles input form visibility.
 668          $('#' + taxonomy + '-add-toggle').on( 'click', function( e ) {
 669              e.preventDefault();
 670              $('#' + taxonomy + '-adder').toggleClass( 'wp-hidden-children' );
 671              $('a[href="#' + taxonomy + '-all"]', '#' + taxonomy + '-tabs').trigger( 'click' );
 672              $('#new'+taxonomy).trigger( 'focus' );
 673          });
 674  
 675          // Sync checked items between "All {taxonomy}" and "Most used" lists.
 676          $('#' + taxonomy + 'checklist, #' + taxonomy + 'checklist-pop').on(
 677              'click',
 678              'li.popular-category > label input[type="checkbox"]',
 679              function() {
 680                  var t = $(this), c = t.is(':checked'), id = t.val();
 681                  if ( id && t.parents('#taxonomy-'+taxonomy).length )
 682                      $('#in-' + taxonomy + '-' + id + ', #in-popular-' + taxonomy + '-' + id).prop( 'checked', c );
 683              }
 684          );
 685  
 686      }); // End cats.
 687  
 688      // Custom Fields postbox.
 689      if ( $('#postcustom').length ) {
 690          $( '#the-list' ).wpList( {
 691              /**
 692               * Add current post_ID to request to fetch custom fields
 693               *
 694               * @ignore
 695               *
 696               * @param {Object} s Request object.
 697               *
 698               * @return {Object} Data modified with post_ID attached.
 699               */
 700              addBefore: function( s ) {
 701                  s.data += '&post_id=' + $('#post_ID').val();
 702                  return s;
 703              },
 704              /**
 705               * Show the listing of custom fields after fetching.
 706               *
 707               * @ignore
 708               */
 709              addAfter: function() {
 710                  $('table#list-table').show();
 711              }
 712          });
 713      }
 714  
 715      /*
 716       * Publish Post box (#submitdiv)
 717       */
 718      if ( $('#submitdiv').length ) {
 719          stamp = $('#timestamp').html();
 720          visibility = $('#post-visibility-display').html();
 721  
 722          /**
 723           * When the visibility of a post changes sub-options should be shown or hidden.
 724           *
 725           * @ignore
 726           *
 727           * @return {void}
 728           */
 729          updateVisibility = function() {
 730              // Show sticky for public posts.
 731              if ( $postVisibilitySelect.find('input:radio:checked').val() != 'public' ) {
 732                  $('#sticky').prop('checked', false);
 733                  $('#sticky-span').hide();
 734              } else {
 735                  $('#sticky-span').show();
 736              }
 737  
 738              // Show password input field for password protected post.
 739              if ( $postVisibilitySelect.find('input:radio:checked').val() != 'password' ) {
 740                  $('#password-span').hide();
 741              } else {
 742                  $('#password-span').show();
 743              }
 744          };
 745  
 746          /**
 747           * Make sure all labels represent the current settings.
 748           *
 749           * @ignore
 750           *
 751           * @return {boolean} False when an invalid timestamp has been selected, otherwise True.
 752           */
 753          updateText = function() {
 754  
 755              if ( ! $timestampdiv.length )
 756                  return true;
 757  
 758              var attemptedDate, originalDate, currentDate, publishOn, postStatus = $('#post_status'),
 759                  optPublish = $('option[value="publish"]', postStatus), aa = $('#aa').val(),
 760                  mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val();
 761  
 762              attemptedDate = new Date( aa, mm - 1, jj, hh, mn );
 763              originalDate = new Date(
 764                  $('#hidden_aa').val(),
 765                  $('#hidden_mm').val() -1,
 766                  $('#hidden_jj').val(),
 767                  $('#hidden_hh').val(),
 768                  $('#hidden_mn').val()
 769              );
 770              currentDate = new Date(
 771                  $('#cur_aa').val(),
 772                  $('#cur_mm').val() -1,
 773                  $('#cur_jj').val(),
 774                  $('#cur_hh').val(),
 775                  $('#cur_mn').val()
 776              );
 777  
 778              // Catch unexpected date problems.
 779              if (
 780                  attemptedDate.getFullYear() != aa ||
 781                  (1 + attemptedDate.getMonth()) != mm ||
 782                  attemptedDate.getDate() != jj ||
 783                  attemptedDate.getMinutes() != mn
 784              ) {
 785                  $timestampdiv.find('.timestamp-wrap').addClass('form-invalid');
 786                  return false;
 787              } else {
 788                  $timestampdiv.find('.timestamp-wrap').removeClass('form-invalid');
 789              }
 790  
 791              // Determine what the publish should be depending on the date and post status.
 792              if ( attemptedDate > currentDate && $('#original_post_status').val() != 'future' ) {
 793                  publishOn = __( 'Schedule for:' );
 794                  $('#publish').val( _x( 'Schedule', 'post action/button label' ) );
 795              } else if ( attemptedDate <= currentDate && $('#original_post_status').val() != 'publish' ) {
 796                  publishOn = __( 'Publish on:' );
 797                  $('#publish').val( __( 'Publish' ) );
 798              } else {
 799                  publishOn = __( 'Published on:' );
 800                  $('#publish').val( __( 'Update' ) );
 801              }
 802  
 803              // If the date is the same, set it to trigger update events.
 804              if ( originalDate.toUTCString() == attemptedDate.toUTCString() ) {
 805                  // Re-set to the current value.
 806                  $('#timestamp').html(stamp);
 807              } else {
 808                  $('#timestamp').html(
 809                      '\n' + publishOn + ' <b>' +
 810                      // translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute.
 811                      __( '%1$s %2$s, %3$s at %4$s:%5$s' )
 812                          .replace( '%1$s', $( 'option[value="' + mm + '"]', '#mm' ).attr( 'data-text' ) )
 813                          .replace( '%2$s', parseInt( jj, 10 ) )
 814                          .replace( '%3$s', aa )
 815                          .replace( '%4$s', ( '00' + hh ).slice( -2 ) )
 816                          .replace( '%5$s', ( '00' + mn ).slice( -2 ) ) +
 817                          '</b> '
 818                  );
 819              }
 820  
 821              // Add "privately published" to post status when applies.
 822              if ( $postVisibilitySelect.find('input:radio:checked').val() == 'private' ) {
 823                  $('#publish').val( __( 'Update' ) );
 824                  if ( 0 === optPublish.length ) {
 825                      postStatus.append('<option value="publish">' + __( 'Privately Published' ) + '</option>');
 826                  } else {
 827                      optPublish.html( __( 'Privately Published' ) );
 828                  }
 829                  $('option[value="publish"]', postStatus).prop('selected', true);
 830                  $('#misc-publishing-actions .edit-post-status').hide();
 831              } else {
 832                  if ( $('#original_post_status').val() == 'future' || $('#original_post_status').val() == 'draft' ) {
 833                      if ( optPublish.length ) {
 834                          optPublish.remove();
 835                          postStatus.val($('#hidden_post_status').val());
 836                      }
 837                  } else {
 838                      optPublish.html( __( 'Published' ) );
 839                  }
 840                  if ( postStatus.is(':hidden') )
 841                      $('#misc-publishing-actions .edit-post-status').show();
 842              }
 843  
 844              // Update "Status:" to currently selected status.
 845              $('#post-status-display').text(
 846                  // Remove any potential tags from post status text.
 847                  wp.sanitize.stripTagsAndEncodeText( $('option:selected', postStatus).text() )
 848              );
 849  
 850              // Show or hide the "Save Draft" button.
 851              if (
 852                  $('option:selected', postStatus).val() == 'private' ||
 853                  $('option:selected', postStatus).val() == 'publish'
 854              ) {
 855                  $('#save-post').hide();
 856              } else {
 857                  $('#save-post').show();
 858                  if ( $('option:selected', postStatus).val() == 'pending' ) {
 859                      $('#save-post').show().val( __( 'Save as Pending' ) );
 860                  } else {
 861                      $('#save-post').show().val( __( 'Save Draft' ) );
 862                  }
 863              }
 864              return true;
 865          };
 866  
 867          // Show the visibility options and hide the toggle button when opened.
 868          $( '#visibility .edit-visibility').on( 'click', function( e ) {
 869              e.preventDefault();
 870              if ( $postVisibilitySelect.is(':hidden') ) {
 871                  updateVisibility();
 872                  $postVisibilitySelect.slideDown( 'fast', function() {
 873                      $postVisibilitySelect.find( 'input[type="radio"]' ).first().trigger( 'focus' );
 874                  } );
 875                  $(this).hide();
 876              }
 877          });
 878  
 879          // Cancel visibility selection area and hide it from view.
 880          $postVisibilitySelect.find('.cancel-post-visibility').on( 'click', function( event ) {
 881              $postVisibilitySelect.slideUp('fast');
 882              $('#visibility-radio-' + $('#hidden-post-visibility').val()).prop('checked', true);
 883              $('#post_password').val($('#hidden-post-password').val());
 884              $('#sticky').prop('checked', $('#hidden-post-sticky').prop('checked'));
 885              $('#post-visibility-display').html(visibility);
 886              $('#visibility .edit-visibility').show().trigger( 'focus' );
 887              updateText();
 888              event.preventDefault();
 889          });
 890  
 891          // Set the selected visibility as current.
 892          $postVisibilitySelect.find('.save-post-visibility').on( 'click', function( event ) { // Crazyhorse - multiple OK cancels.
 893              var visibilityLabel = '', selectedVisibility = $postVisibilitySelect.find('input:radio:checked').val();
 894  
 895              $postVisibilitySelect.slideUp('fast');
 896              $('#visibility .edit-visibility').show().trigger( 'focus' );
 897              updateText();
 898  
 899              if ( 'public' !== selectedVisibility ) {
 900                  $('#sticky').prop('checked', false);
 901              }
 902  
 903              switch ( selectedVisibility ) {
 904                  case 'public':
 905                      visibilityLabel = $( '#sticky' ).prop( 'checked' ) ? __( 'Public, Sticky' ) : __( 'Public' );
 906                      break;
 907                  case 'private':
 908                      visibilityLabel = __( 'Private' );
 909                      break;
 910                  case 'password':
 911                      visibilityLabel = __( 'Password Protected' );
 912                      break;
 913              }
 914  
 915              $('#post-visibility-display').text( visibilityLabel );
 916              event.preventDefault();
 917          });
 918  
 919          // When the selection changes, update labels.
 920          $postVisibilitySelect.find('input:radio').on( 'change', function() {
 921              updateVisibility();
 922          });
 923  
 924          // Edit publish time click.
 925          $timestampdiv.siblings('a.edit-timestamp').on( 'click', function( event ) {
 926              if ( $timestampdiv.is( ':hidden' ) ) {
 927                  $timestampdiv.slideDown( 'fast', function() {
 928                      $( 'input, select', $timestampdiv.find( '.timestamp-wrap' ) ).first().trigger( 'focus' );
 929                  } );
 930                  $(this).hide();
 931              }
 932              event.preventDefault();
 933          });
 934  
 935          // Cancel editing the publish time and hide the settings.
 936          $timestampdiv.find('.cancel-timestamp').on( 'click', function( event ) {
 937              $timestampdiv.slideUp('fast').siblings('a.edit-timestamp').show().trigger( 'focus' );
 938              $('#mm').val($('#hidden_mm').val());
 939              $('#jj').val($('#hidden_jj').val());
 940              $('#aa').val($('#hidden_aa').val());
 941              $('#hh').val($('#hidden_hh').val());
 942              $('#mn').val($('#hidden_mn').val());
 943              updateText();
 944              event.preventDefault();
 945          });
 946  
 947          // Save the changed timestamp.
 948          $timestampdiv.find('.save-timestamp').on( 'click', function( event ) { // Crazyhorse - multiple OK cancels.
 949              if ( updateText() ) {
 950                  $timestampdiv.slideUp('fast');
 951                  $timestampdiv.siblings('a.edit-timestamp').show().trigger( 'focus' );
 952              }
 953              event.preventDefault();
 954          });
 955  
 956          // Cancel submit when an invalid timestamp has been selected.
 957          $('#post').on( 'submit', function( event ) {
 958              if ( ! updateText() ) {
 959                  event.preventDefault();
 960                  $timestampdiv.show();
 961  
 962                  if ( wp.autosave ) {
 963                      wp.autosave.enableButtons();
 964                  }
 965  
 966                  $( '#publishing-action .spinner' ).removeClass( 'is-active' );
 967              }
 968          });
 969  
 970          // Post Status edit click.
 971          $postStatusSelect.siblings('a.edit-post-status').on( 'click', function( event ) {
 972              if ( $postStatusSelect.is( ':hidden' ) ) {
 973                  $postStatusSelect.slideDown( 'fast', function() {
 974                      $postStatusSelect.find('select').trigger( 'focus' );
 975                  } );
 976                  $(this).hide();
 977              }
 978              event.preventDefault();
 979          });
 980  
 981          // Save the Post Status changes and hide the options.
 982          $postStatusSelect.find('.save-post-status').on( 'click', function( event ) {
 983              $postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().trigger( 'focus' );
 984              updateText();
 985              event.preventDefault();
 986          });
 987  
 988          // Cancel Post Status editing and hide the options.
 989          $postStatusSelect.find('.cancel-post-status').on( 'click', function( event ) {
 990              $postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().trigger( 'focus' );
 991              $('#post_status').val( $('#hidden_post_status').val() );
 992              updateText();
 993              event.preventDefault();
 994          });
 995      }
 996  
 997      /**
 998       * Handle the editing of the post_name. Create the required HTML elements and
 999       * update the changes via Ajax.
1000       *
1001       * @global
1002       *
1003       * @return {void}
1004       */
1005  	function editPermalink() {
1006          var i, slug_value, slug_label,
1007              $el, revert_e,
1008              c = 0,
1009              real_slug = $('#post_name'),
1010              revert_slug = real_slug.val(),
1011              permalink = $( '#sample-permalink' ),
1012              permalinkOrig = permalink.html(),
1013              permalinkInner = $( '#sample-permalink a' ).html(),
1014              buttons = $('#edit-slug-buttons'),
1015              buttonsOrig = buttons.html(),
1016              full = $('#editable-post-name-full');
1017  
1018          // Deal with Twemoji in the post-name.
1019          full.find( 'img' ).replaceWith( function() { return this.alt; } );
1020          full = full.html();
1021  
1022          permalink.html( permalinkInner );
1023  
1024          // Save current content to revert to when cancelling.
1025          $el = $( '#editable-post-name' );
1026          revert_e = $el.html();
1027  
1028          buttons.html(
1029              '<button type="button" class="save button button-small">' + __( 'OK' ) + '</button> ' +
1030              '<button type="button" class="cancel button-link">' + __( 'Cancel' ) + '</button>'
1031          );
1032  
1033          // Save permalink changes.
1034          buttons.children( '.save' ).on( 'click', function() {
1035              var new_slug = $el.children( 'input' ).val();
1036  
1037              if ( new_slug == $('#editable-post-name-full').text() ) {
1038                  buttons.children('.cancel').trigger( 'click' );
1039                  return;
1040              }
1041  
1042              $.post(
1043                  ajaxurl,
1044                  {
1045                      action: 'sample-permalink',
1046                      post_id: postId,
1047                      new_slug: new_slug,
1048                      new_title: $('#title').val(),
1049                      samplepermalinknonce: $('#samplepermalinknonce').val()
1050                  },
1051                  function(data) {
1052                      var box = $('#edit-slug-box');
1053                      box.html(data);
1054                      if (box.hasClass('hidden')) {
1055                          box.fadeIn('fast', function () {
1056                              box.removeClass('hidden');
1057                          });
1058                      }
1059  
1060                      buttons.html(buttonsOrig);
1061                      permalink.html(permalinkOrig);
1062                      real_slug.val(new_slug);
1063                      $( '.edit-slug' ).trigger( 'focus' );
1064                      wp.a11y.speak( __( 'Permalink saved' ) );
1065                  }
1066              );
1067          });
1068  
1069          // Cancel editing of permalink.
1070          buttons.children( '.cancel' ).on( 'click', function() {
1071              $('#view-post-btn').show();
1072              $el.html(revert_e);
1073              buttons.html(buttonsOrig);
1074              permalink.html(permalinkOrig);
1075              real_slug.val(revert_slug);
1076              $( '.edit-slug' ).trigger( 'focus' );
1077          });
1078  
1079          // If more than 1/4th of 'full' is '%', make it empty.
1080          for ( i = 0; i < full.length; ++i ) {
1081              if ( '%' == full.charAt(i) )
1082                  c++;
1083          }
1084          slug_value = ( c > full.length / 4 ) ? '' : full;
1085          slug_label = __( 'URL Slug' );
1086  
1087          $el.html(
1088              '<label for="new-post-slug" class="screen-reader-text">' + slug_label + '</label>' +
1089              '<input type="text" id="new-post-slug" value="' + slug_value + '" autocomplete="off" spellcheck="false" />'
1090          ).children( 'input' ).on( 'keydown', function( e ) {
1091              var key = e.which;
1092              // On [Enter], just save the new slug, don't save the post.
1093              if ( 13 === key ) {
1094                  e.preventDefault();
1095                  buttons.children( '.save' ).trigger( 'click' );
1096              }
1097              // On [Esc] cancel the editing.
1098              if ( 27 === key ) {
1099                  buttons.children( '.cancel' ).trigger( 'click' );
1100              }
1101          } ).on( 'keyup', function() {
1102              real_slug.val( this.value );
1103          }).trigger( 'focus' );
1104      }
1105  
1106      $( '#titlediv' ).on( 'click', '.edit-slug', function() {
1107          editPermalink();
1108      });
1109  
1110      /**
1111       * Adds screen reader text to the title label when needed.
1112       *
1113       * Use the 'screen-reader-text' class to emulate a placeholder attribute
1114       * and hide the label when entering a value.
1115       *
1116       * @param {string} id Optional. HTML ID to add the screen reader helper text to.
1117       *
1118       * @global
1119       *
1120       * @return {void}
1121       */
1122      window.wptitlehint = function( id ) {
1123          id = id || 'title';
1124  
1125          var title = $( '#' + id ), titleprompt = $( '#' + id + '-prompt-text' );
1126  
1127          if ( '' === title.val() ) {
1128              titleprompt.removeClass( 'screen-reader-text' );
1129          }
1130  
1131          title.on( 'input', function() {
1132              if ( '' === this.value ) {
1133                  titleprompt.removeClass( 'screen-reader-text' );
1134                  return;
1135              }
1136  
1137              titleprompt.addClass( 'screen-reader-text' );
1138          } );
1139      };
1140  
1141      wptitlehint();
1142  
1143      // Resize the WYSIWYG and plain text editors.
1144      ( function() {
1145          var editor, offset, mce,
1146              $handle = $('#post-status-info'),
1147              $postdivrich = $('#postdivrich');
1148  
1149          // If there are no textareas or we are on a touch device, we can't do anything.
1150          if ( ! $textarea.length || 'ontouchstart' in window ) {
1151              // Hide the resize handle.
1152              $('#content-resize-handle').hide();
1153              return;
1154          }
1155  
1156          /**
1157           * Handle drag event.
1158           *
1159           * @param {Object} event Event containing details about the drag.
1160           */
1161  		function dragging( event ) {
1162              if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
1163                  return;
1164              }
1165  
1166              if ( mce ) {
1167                  editor.theme.resizeTo( null, offset + event.pageY );
1168              } else {
1169                  $textarea.height( Math.max( 50, offset + event.pageY ) );
1170              }
1171  
1172              event.preventDefault();
1173          }
1174  
1175          /**
1176           * When the dragging stopped make sure we return focus and do a sanity check on the height.
1177           */
1178  		function endDrag() {
1179              var height, toolbarHeight;
1180  
1181              if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
1182                  return;
1183              }
1184  
1185              if ( mce ) {
1186                  editor.focus();
1187                  toolbarHeight = parseInt( $( '#wp-content-editor-container .mce-toolbar-grp' ).height(), 10 );
1188  
1189                  if ( toolbarHeight < 10 || toolbarHeight > 200 ) {
1190                      toolbarHeight = 30;
1191                  }
1192  
1193                  height = parseInt( $('#content_ifr').css('height'), 10 ) + toolbarHeight - 28;
1194              } else {
1195                  $textarea.trigger( 'focus' );
1196                  height = parseInt( $textarea.css('height'), 10 );
1197              }
1198  
1199              $document.off( '.wp-editor-resize' );
1200  
1201              // Sanity check: normalize height to stay within acceptable ranges.
1202              if ( height && height > 50 && height < 5000 ) {
1203                  setUserSetting( 'ed_size', height );
1204              }
1205          }
1206  
1207          $handle.on( 'mousedown.wp-editor-resize', function( event ) {
1208              if ( typeof tinymce !== 'undefined' ) {
1209                  editor = tinymce.get('content');
1210              }
1211  
1212              if ( editor && ! editor.isHidden() ) {
1213                  mce = true;
1214                  offset = $('#content_ifr').height() - event.pageY;
1215              } else {
1216                  mce = false;
1217                  offset = $textarea.height() - event.pageY;
1218                  $textarea.trigger( 'blur' );
1219              }
1220  
1221              $document.on( 'mousemove.wp-editor-resize', dragging )
1222                  .on( 'mouseup.wp-editor-resize mouseleave.wp-editor-resize', endDrag );
1223  
1224              event.preventDefault();
1225          }).on( 'mouseup.wp-editor-resize', endDrag );
1226      })();
1227  
1228      // TinyMCE specific handling of Post Format changes to reflect in the editor.
1229      if ( typeof tinymce !== 'undefined' ) {
1230          // When changing post formats, change the editor body class.
1231          $( '#post-formats-select input.post-format' ).on( 'change.set-editor-class', function() {
1232              var editor, body, format = this.id;
1233  
1234              if ( format && $( this ).prop( 'checked' ) && ( editor = tinymce.get( 'content' ) ) ) {
1235                  body = editor.getBody();
1236                  body.className = body.className.replace( /\bpost-format-[^ ]+/, '' );
1237                  editor.dom.addClass( body, format == 'post-format-0' ? 'post-format-standard' : format );
1238                  $( document ).trigger( 'editor-classchange' );
1239              }
1240          });
1241  
1242          // When changing page template, change the editor body class.
1243          $( '#page_template' ).on( 'change.set-editor-class', function() {
1244              var editor, body, pageTemplate = $( this ).val() || '';
1245  
1246              pageTemplate = pageTemplate.substr( pageTemplate.lastIndexOf( '/' ) + 1, pageTemplate.length )
1247                  .replace( /\.php$/, '' )
1248                  .replace( /\./g, '-' );
1249  
1250              if ( pageTemplate && ( editor = tinymce.get( 'content' ) ) ) {
1251                  body = editor.getBody();
1252                  body.className = body.className.replace( /\bpage-template-[^ ]+/, '' );
1253                  editor.dom.addClass( body, 'page-template-' + pageTemplate );
1254                  $( document ).trigger( 'editor-classchange' );
1255              }
1256          });
1257  
1258      }
1259  
1260      // Save on pressing [Ctrl]/[Command] + [S] in the Text editor.
1261      $textarea.on( 'keydown.wp-autosave', function( event ) {
1262          // Key [S] has code 83.
1263          if ( event.which === 83 ) {
1264              if (
1265                  event.shiftKey ||
1266                  event.altKey ||
1267                  ( isMac && ( ! event.metaKey || event.ctrlKey ) ) ||
1268                  ( ! isMac && ! event.ctrlKey )
1269              ) {
1270                  return;
1271              }
1272  
1273              wp.autosave && wp.autosave.server.triggerSave();
1274              event.preventDefault();
1275          }
1276      });
1277  
1278      // If the last status was auto-draft and the save is triggered, edit the current URL.
1279      if ( $( '#original_post_status' ).val() === 'auto-draft' && window.history.replaceState ) {
1280          var location;
1281  
1282          $( '#publish' ).on( 'click', function() {
1283              location = window.location.href;
1284              location += ( location.indexOf( '?' ) !== -1 ) ? '&' : '?';
1285              location += 'wp-post-new-reload=true';
1286  
1287              window.history.replaceState( null, null, location );
1288          });
1289      }
1290  
1291      /**
1292       * Copies the attachment URL in the Edit Media page to the clipboard.
1293       *
1294       * @since 5.5.0
1295       *
1296       * @param {MouseEvent} event A click event.
1297       *
1298       * @return {void}
1299       */
1300      copyAttachmentURLClipboard.on( 'success', function( event ) {
1301          var triggerElement = $( event.trigger ),
1302              successElement = $( '.success', triggerElement.closest( '.copy-to-clipboard-container' ) );
1303  
1304          // Clear the selection and move focus back to the trigger.
1305          event.clearSelection();
1306          // Handle ClipboardJS focus bug, see https://github.com/zenorocha/clipboard.js/issues/680
1307          triggerElement.trigger( 'focus' );
1308  
1309          // Show success visual feedback.
1310          clearTimeout( copyAttachmentURLSuccessTimeout );
1311          successElement.removeClass( 'hidden' );
1312  
1313          // Hide success visual feedback after 3 seconds since last success.
1314          copyAttachmentURLSuccessTimeout = setTimeout( function() {
1315              successElement.addClass( 'hidden' );
1316          }, 3000 );
1317  
1318          // Handle success audible feedback.
1319          wp.a11y.speak( __( 'The file URL has been copied to your clipboard' ) );
1320      } );
1321  } );
1322  
1323  /**
1324   * TinyMCE word count display
1325   */
1326  ( function( $, counter ) {
1327      $( function() {
1328          var $content = $( '#content' ),
1329              $count = $( '#wp-word-count' ).find( '.word-count' ),
1330              prevCount = 0,
1331              contentEditor;
1332  
1333          /**
1334           * Get the word count from TinyMCE and display it
1335           */
1336  		function update() {
1337              var text, count;
1338  
1339              if ( ! contentEditor || contentEditor.isHidden() ) {
1340                  text = $content.val();
1341              } else {
1342                  text = contentEditor.getContent( { format: 'raw' } );
1343              }
1344  
1345              count = counter.count( text );
1346  
1347              if ( count !== prevCount ) {
1348                  $count.text( count );
1349              }
1350  
1351              prevCount = count;
1352          }
1353  
1354          /**
1355           * Bind the word count update triggers.
1356           *
1357           * When a node change in the main TinyMCE editor has been triggered.
1358           * When a key has been released in the plain text content editor.
1359           */
1360          $( document ).on( 'tinymce-editor-init', function( event, editor ) {
1361              if ( editor.id !== 'content' ) {
1362                  return;
1363              }
1364  
1365              contentEditor = editor;
1366  
1367              editor.on( 'nodechange keyup', _.debounce( update, 1000 ) );
1368          } );
1369  
1370          $content.on( 'input keyup', _.debounce( update, 1000 ) );
1371  
1372          update();
1373      } );
1374  
1375  } )( jQuery, new wp.utils.WordCounter() );