wp-admin/js/common.js

   1 /* global setUserSetting, ajaxurl, commonL10n, alert, confirm, pagenow */
   2 var showNotice, adminMenu, columns, validateForm, screenMeta;
   3 ( function( $, window, undefined ) {
   4 // Removed in 3.3.
   5 // (perhaps) needed for back-compat
   6 adminMenu = {
   7         init : function() {},
   8         fold : function() {},
   9         restoreMenuState : function() {},
  10         toggle : function() {},
  11         favorites : function() {}
  12 };
  13
  14 // show/hide/save table columns
  15 columns = {
  16         init : function() {
  17                 var that = this;
  18                 $('.hide-column-tog', '#adv-settings').click( function() {
  19                         var $t = $(this), column = $t.val();
  20                         if ( $t.prop('checked') )
  21                                 that.checked(column);
  22                         else
  23                                 that.unchecked(column);
  24
  25                         columns.saveManageColumnsState();
  26                 });
  27         },
  28
  29         saveManageColumnsState : function() {
  30                 var hidden = this.hidden();
  31                 $.post(ajaxurl, {
  32                         action: 'hidden-columns',
  33                         hidden: hidden,
  34                         screenoptionnonce: $('#screenoptionnonce').val(),
  35                         page: pagenow
  36                 });
  37         },
  38
  39         checked : function(column) {
  40                 $('.column-' + column).show();
  41                 this.colSpanChange(+1);
  42         },
  43
  44         unchecked : function(column) {
  45                 $('.column-' + column).hide();
  46                 this.colSpanChange(-1);
  47         },
  48
  49         hidden : function() {
  50                 return $('.manage-column').filter(':hidden').map(function() { return this.id; }).get().join(',');
  51         },
  52
  53         useCheckboxesForHidden : function() {
  54                 this.hidden = function(){
  55                         return $('.hide-column-tog').not(':checked').map(function() {
  56                                 var id = this.id;
  57                                 return id.substring( id, id.length - 5 );
  58                         }).get().join(',');
  59                 };
  60         },
  61
  62         colSpanChange : function(diff) {
  63                 var $t = $('table').find('.colspanchange'), n;
  64                 if ( !$t.length )
  65                         return;
  66                 n = parseInt( $t.attr('colspan'), 10 ) + diff;
  67                 $t.attr('colspan', n.toString());
  68         }
  69 };
  70
  71 $(document).ready(function(){columns.init();});
  72
  73 validateForm = function( form ) {
  74         return !$( form )
  75                 .find( '.form-required' )
  76                 .filter( function() { return $( 'input:visible', this ).val() === ''; } )
  77                 .addClass( 'form-invalid' )
  78                 .find( 'input:visible' )
  79                 .change( function() { $( this ).closest( '.form-invalid' ).removeClass( 'form-invalid' ); } )
  80                 .size();
  81 };
  82
  83 // stub for doing better warnings
  84 showNotice = {
  85         warn : function() {
  86                 var msg = commonL10n.warnDelete || '';
  87                 if ( confirm(msg) ) {
  88                         return true;
  89                 }
  90
  91                 return false;
  92         },
  93
  94         note : function(text) {
  95                 alert(text);
  96         }
  97 };
  98
  99 screenMeta = {
 100         element: null, // #screen-meta
 101         toggles: null, // .screen-meta-toggle
 102         page:    null, // #wpcontent
 103
 104         init: function() {
 105                 this.element = $('#screen-meta');
 106                 this.toggles = $('.screen-meta-toggle a');
 107                 this.page    = $('#wpcontent');
 108
 109                 this.toggles.click( this.toggleEvent );
 110         },
 111
 112         toggleEvent: function( e ) {
 113                 var panel = $( this.href.replace(/.+#/, '#') );
 114                 e.preventDefault();
 115
 116                 if ( !panel.length )
 117                         return;
 118
 119                 if ( panel.is(':visible') )
 120                         screenMeta.close( panel, $(this) );
 121                 else
 122                         screenMeta.open( panel, $(this) );
 123         },
 124
 125         open: function( panel, link ) {
 126
 127                 $('.screen-meta-toggle').not( link.parent() ).css('visibility', 'hidden');
 128
 129                 panel.parent().show();
 130                 panel.slideDown( 'fast', function() {
 131                         panel.focus();
 132                         link.addClass('screen-meta-active').attr('aria-expanded', true);
 133                 });
 134         },
 135
 136         close: function( panel, link ) {
 137                 panel.slideUp( 'fast', function() {
 138                         link.removeClass('screen-meta-active').attr('aria-expanded', false);
 139                         $('.screen-meta-toggle').css('visibility', '');
 140                         panel.parent().hide();
 141                 });
 142         }
 143 };
 144
 145 /**
 146  * Help tabs.
 147  */
 148 $('.contextual-help-tabs').delegate('a', 'click focus', function(e) {
 149         var link = $(this),
 150                 panel;
 151
 152         e.preventDefault();
 153
 154         // Don't do anything if the click is for the tab already showing.
 155         if ( link.is('.active a') )
 156                 return false;
 157
 158         // Links
 159         $('.contextual-help-tabs .active').removeClass('active');
 160         link.parent('li').addClass('active');
 161
 162         panel = $( link.attr('href') );
 163
 164         // Panels
 165         $('.help-tab-content').not( panel ).removeClass('active').hide();
 166         panel.addClass('active').show();
 167 });
 168
 169 $(document).ready( function() {
 170         var checks, first, last, checked, sliced, mobileEvent, transitionTimeout, focusedRowActions,
 171                 lastClicked = false,
 172                 menu = $('#adminmenu'),
 173                 pageInput = $('input.current-page'),
 174                 currentPage = pageInput.val();
 175
 176         // when the menu is folded, make the fly-out submenu header clickable
 177         menu.on('click.wp-submenu-head', '.wp-submenu-head', function(e){
 178                 $(e.target).parent().siblings('a').get(0).click();
 179         });
 180
 181         $('#collapse-menu').on('click.collapse-menu', function() {
 182                 var body = $( document.body ), respWidth;
 183
 184                 // reset any compensation for submenus near the bottom of the screen
 185                 $('#adminmenu div.wp-submenu').css('margin-top', '');
 186
 187                 if ( window.innerWidth ) {
 188                         // window.innerWidth is affected by zooming on phones
 189                         respWidth = Math.max( window.innerWidth, document.documentElement.clientWidth );
 190                 } else {
 191                         // IE < 9 doesn't support @media CSS rules
 192                         respWidth = 901;
 193                 }
 194
 195                 if ( respWidth && respWidth < 900 ) {
 196                         if ( body.hasClass('auto-fold') ) {
 197                                 body.removeClass('auto-fold').removeClass('folded');
 198                                 setUserSetting('unfold', 1);
 199                                 setUserSetting('mfold', 'o');
 200                         } else {
 201                                 body.addClass('auto-fold');
 202                                 setUserSetting('unfold', 0);
 203                         }
 204                 } else {
 205                         if ( body.hasClass('folded') ) {
 206                                 body.removeClass('folded');
 207                                 setUserSetting('mfold', 'o');
 208                         } else {
 209                                 body.addClass('folded');
 210                                 setUserSetting('mfold', 'f');
 211                         }
 212                 }
 213         });
 214
 215         if ( 'ontouchstart' in window || /IEMobile\/[1-9]/.test(navigator.userAgent) ) { // touch screen device
 216                 // iOS Safari works with touchstart, the rest work with click
 217                 mobileEvent = /Mobile\/.+Safari/.test(navigator.userAgent) ? 'touchstart' : 'click';
 218
 219                 // close any open submenus when touch/click is not on the menu
 220                 $(document.body).on( mobileEvent+'.wp-mobile-hover', function(e) {
 221                         if ( menu.data('wp-responsive') ) {
 222                                 return;
 223                         }
 224
 225                         if ( ! $(e.target).closest('#adminmenu').length ) {
 226                                 menu.find('li.wp-has-submenu.opensub').removeClass('opensub');
 227                         }
 228                 });
 229
 230                 menu.find('a.wp-has-submenu').on( mobileEvent+'.wp-mobile-hover', function(e) {
 231                         var b, h, o, f, menutop, wintop, maxtop,
 232                                 el = $(this),
 233                                 parent = el.parent(),
 234                                 m = parent.find('.wp-submenu');
 235
 236                         if ( menu.data('wp-responsive') ) {
 237                                 return;
 238                         }
 239
 240                         // Show the sub instead of following the link if:
 241                         //      - the submenu is not open
 242                         //      - the submenu is not shown inline or the menu is not folded
 243                         if ( !parent.hasClass('opensub') && ( !parent.hasClass('wp-menu-open') || parent.width() < 40 ) ) {
 244                                 e.preventDefault();
 245
 246                                 menutop = parent.offset().top;
 247                                 wintop = $(window).scrollTop();
 248                                 maxtop = menutop - wintop - 30; // max = make the top of the sub almost touch admin bar
 249
 250                                 b = menutop + m.height() + 1; // Bottom offset of the menu
 251                                 h = $('#wpwrap').height(); // Height of the entire page
 252                                 o = 60 + b - h;
 253                                 f = $(window).height() + wintop - 50; // The fold
 254
 255                                 if ( f < (b - o) ) {
 256                                         o = b - f;
 257                                 }
 258
 259                                 if ( o > maxtop ) {
 260                                         o = maxtop;
 261                                 }
 262
 263                                 if ( o > 1 ) {
 264                                         m.css('margin-top', '-'+o+'px');
 265                                 } else {
 266                                         m.css('margin-top', '');
 267                                 }
 268
 269                                 menu.find('li.opensub').removeClass('opensub');
 270                                 parent.addClass('opensub');
 271                         }
 272                 });
 273         }
 274
 275         menu.find('li.wp-has-submenu').hoverIntent({
 276                 over: function() {
 277                         var b, h, o, f, m = $(this).find('.wp-submenu'), menutop, wintop, maxtop, top = parseInt( m.css('top'), 10 );
 278
 279                         if ( isNaN(top) || top > -5 ) { // meaning the submenu is visible
 280                                 return;
 281                         }
 282
 283                         if ( menu.data('wp-responsive') ) {
 284                                 // The menu is in responsive mode, bail
 285                                 return;
 286                         }
 287
 288                         menutop = $(this).offset().top;
 289                         wintop = $(window).scrollTop();
 290                         maxtop = menutop - wintop - 30; // max = make the top of the sub almost touch admin bar
 291
 292                         b = menutop + m.height() + 1; // Bottom offset of the menu
 293                         h = $('#wpwrap').height(); // Height of the entire page
 294                         o = 60 + b - h;
 295                         f = $(window).height() + wintop - 15; // The fold
 296
 297                         if ( f < (b - o) ) {
 298                                 o = b - f;
 299                         }
 300
 301                         if ( o > maxtop ) {
 302                                 o = maxtop;
 303                         }
 304
 305                         if ( o > 1 ) {
 306                                 m.css('margin-top', '-'+o+'px');
 307                         } else {
 308                                 m.css('margin-top', '');
 309                         }
 310
 311                         menu.find('li.menu-top').removeClass('opensub');
 312                         $(this).addClass('opensub');
 313                 },
 314                 out: function(){
 315                         if ( menu.data('wp-responsive') ) {
 316                                 // The menu is in responsive mode, bail
 317                                 return;
 318                         }
 319
 320                         $(this).removeClass('opensub').find('.wp-submenu').css('margin-top', '');
 321                 },
 322                 timeout: 200,
 323                 sensitivity: 7,
 324                 interval: 90
 325         });
 326
 327         menu.on('focus.adminmenu', '.wp-submenu a', function(e){
 328                 if ( menu.data('wp-responsive') ) {
 329                         // The menu is in responsive mode, bail
 330                         return;
 331                 }
 332
 333                 $(e.target).closest('li.menu-top').addClass('opensub');
 334         }).on('blur.adminmenu', '.wp-submenu a', function(e){
 335                 if ( menu.data('wp-responsive') ) {
 336                         // The menu is in responsive mode, bail
 337                         return;
 338                 }
 339
 340                 $(e.target).closest('li.menu-top').removeClass('opensub');
 341         });
 342
 343         // Move .updated and .error alert boxes. Don't move boxes designed to be inline.
 344         $('div.wrap h2:first').nextAll('div.updated, div.error').addClass('below-h2');
 345         $('div.updated, div.error').not('.below-h2, .inline').insertAfter( $('div.wrap h2:first') );
 346
 347         // Init screen meta
 348         screenMeta.init();
 349
 350         // check all checkboxes
 351         $('tbody').children().children('.check-column').find(':checkbox').click( function(e) {
 352                 if ( 'undefined' == e.shiftKey ) { return true; }
 353                 if ( e.shiftKey ) {
 354                         if ( !lastClicked ) { return true; }
 355                         checks = $( lastClicked ).closest( 'form' ).find( ':checkbox' );
 356                         first = checks.index( lastClicked );
 357                         last = checks.index( this );
 358                         checked = $(this).prop('checked');
 359                         if ( 0 < first && 0 < last && first != last ) {
 360                                 sliced = ( last > first ) ? checks.slice( first, last ) : checks.slice( last, first );
 361                                 sliced.prop( 'checked', function() {
 362                                         if ( $(this).closest('tr').is(':visible') )
 363                                                 return checked;
 364
 365                                         return false;
 366                                 });
 367                         }
 368                 }
 369                 lastClicked = this;
 370
 371                 // toggle "check all" checkboxes
 372                 var unchecked = $(this).closest('tbody').find(':checkbox').filter(':visible').not(':checked');
 373                 $(this).closest('table').children('thead, tfoot').find(':checkbox').prop('checked', function() {
 374                         return ( 0 === unchecked.length );
 375                 });
 376
 377                 return true;
 378         });
 379
 380         $('thead, tfoot').find('.check-column :checkbox').on( 'click.wp-toggle-checkboxes', function( event ) {
 381                 var $this = $(this),
 382                         $table = $this.closest( 'table' ),
 383                         controlChecked = $this.prop('checked'),
 384                         toggle = event.shiftKey || $this.data('wp-toggle');
 385
 386                 $table.children( 'tbody' ).filter(':visible')
 387                         .children().children('.check-column').find(':checkbox')
 388                         .prop('checked', function() {
 389                                 if ( $(this).is(':hidden') ) {
 390                                         return false;
 391                                 }
 392
 393                                 if ( toggle ) {
 394                                         return ! $(this).prop( 'checked' );
 395                                 } else if ( controlChecked ) {
 396                                         return true;
 397                                 }
 398
 399                                 return false;
 400                         });
 401
 402                 $table.children('thead,  tfoot').filter(':visible')
 403                         .children().children('.check-column').find(':checkbox')
 404                         .prop('checked', function() {
 405                                 if ( toggle ) {
 406                                         return false;
 407                                 } else if ( controlChecked ) {
 408                                         return true;
 409                                 }
 410
 411                                 return false;
 412                         });
 413         });
 414
 415         // Show row actions on keyboard focus of its parent container element or any other elements contained within
 416         $( 'td.post-title, td.title, td.comment, .bookmarks td.column-name, td.blogname, td.username, .dashboard-comment-wrap' ).focusin(function(){
 417                 clearTimeout( transitionTimeout );
 418                 focusedRowActions = $(this).find( '.row-actions' );
 419                 focusedRowActions.addClass( 'visible' );
 420         }).focusout(function(){
 421                 // Tabbing between post title and .row-actions links needs a brief pause, otherwise
 422                 // the .row-actions div gets hidden in transit in some browsers (ahem, Firefox).
 423                 transitionTimeout = setTimeout(function(){
 424                         focusedRowActions.removeClass( 'visible' );
 425                 }, 30);
 426         });
 427
 428         $('#default-password-nag-no').click( function() {
 429                 setUserSetting('default_password_nag', 'hide');
 430                 $('div.default-password-nag').hide();
 431                 return false;
 432         });
 433
 434         // tab in textareas
 435         $('#newcontent').bind('keydown.wpevent_InsertTab', function(e) {
 436                 var el = e.target, selStart, selEnd, val, scroll, sel;
 437
 438                 if ( e.keyCode == 27 ) { // escape key
 439                         $(el).data('tab-out', true);
 440                         return;
 441                 }
 442
 443                 if ( e.keyCode != 9 || e.ctrlKey || e.altKey || e.shiftKey ) // tab key
 444                         return;
 445
 446                 if ( $(el).data('tab-out') ) {
 447                         $(el).data('tab-out', false);
 448                         return;
 449                 }
 450
 451                 selStart = el.selectionStart;
 452                 selEnd = el.selectionEnd;
 453                 val = el.value;
 454
 455                 try {
 456                         this.lastKey = 9; // not a standard DOM property, lastKey is to help stop Opera tab event. See blur handler below.
 457                 } catch(err) {}
 458
 459                 if ( document.selection ) {
 460                         el.focus();
 461                         sel = document.selection.createRange();
 462                         sel.text = '\t';
 463                 } else if ( selStart >= 0 ) {
 464                         scroll = this.scrollTop;
 465                         el.value = val.substring(0, selStart).concat('\t', val.substring(selEnd) );
 466                         el.selectionStart = el.selectionEnd = selStart + 1;
 467                         this.scrollTop = scroll;
 468                 }
 469
 470                 if ( e.stopPropagation )
 471                         e.stopPropagation();
 472                 if ( e.preventDefault )
 473                         e.preventDefault();
 474         });
 475
 476         $('#newcontent').bind('blur.wpevent_InsertTab', function() {
 477                 if ( this.lastKey && 9 == this.lastKey )
 478                         this.focus();
 479         });
 480
 481         if ( pageInput.length ) {
 482                 pageInput.closest('form').submit( function() {
 483
 484                         // Reset paging var for new filters/searches but not for bulk actions. See #17685.
 485                         if ( $('select[name="action"]').val() == -1 && $('select[name="action2"]').val() == -1 && pageInput.val() == currentPage )
 486                                 pageInput.val('1');
 487                 });
 488         }
 489
 490         $('.search-box input[type="search"], .search-box input[type="submit"]').mousedown(function () {
 491                 $('select[name^="action"]').val('-1');
 492         });
 493
 494         // Scroll into view when focused
 495         $('#contextual-help-link, #show-settings-link').on( 'focus.scroll-into-view', function(e){
 496                 if ( e.target.scrollIntoView )
 497                         e.target.scrollIntoView(false);
 498         });
 499
 500         // Disable upload buttons until files are selected
 501         (function(){
 502                 var button, input, form = $('form.wp-upload-form');
 503                 if ( ! form.length )
 504                         return;
 505                 button = form.find('input[type="submit"]');
 506                 input = form.find('input[type="file"]');
 507
 508                 function toggleUploadButton() {
 509                         button.prop('disabled', '' === input.map( function() {
 510                                 return $(this).val();
 511                         }).get().join(''));
 512                 }
 513                 toggleUploadButton();
 514                 input.on('change', toggleUploadButton);
 515         })();
 516 });
 517
 518 // Fire a custom jQuery event at the end of window resize
 519 ( function() {
 520         var timeout;
 521
 522         function triggerEvent() {
 523                 $(document).trigger( 'wp-window-resized' );
 524         }
 525
 526         function fireOnce() {
 527                 window.clearTimeout( timeout );
 528                 timeout = window.setTimeout( triggerEvent, 200 );
 529         }
 530
 531         $(window).on( 'resize.wp-fire-once', fireOnce );
 532 }());
 533
 534 $(document).ready( function() {
 535         var $document = $( document ),
 536                 $window = $( window ),
 537                 $body = $( document.body ),
 538                 $adminMenuWrap = $( '#adminmenuwrap' ),
 539                 $collapseMenu = $( '#collapse-menu' ),
 540                 $wpwrap = $( '#wpwrap' ),
 541                 $adminmenu = $( '#adminmenu' ),
 542                 $overlay = $( '#wp-responsive-overlay' ),
 543                 $toolbar = $( '#wp-toolbar' ),
 544                 $toolbarPopups = $toolbar.find( 'a[aria-haspopup="true"]' ),
 545                 $sortables = $('.meta-box-sortables'),
 546                 stickyMenuActive = false,
 547                 wpResponsiveActive = false;
 548
 549         window.stickyMenu = {
 550                 enable: function() {
 551                         if ( ! stickyMenuActive ) {
 552                                 $document.on( 'wp-window-resized.sticky-menu', $.proxy( this.update, this ) );
 553                                 $collapseMenu.on( 'click.sticky-menu', $.proxy( this.update, this ) );
 554                                 this.update();
 555                                 stickyMenuActive = true;
 556                         }
 557                 },
 558
 559                 disable: function() {
 560                         if ( stickyMenuActive ) {
 561                                 $window.off( 'resize.sticky-menu' );
 562                                 $collapseMenu.off( 'click.sticky-menu' );
 563                                 $body.removeClass( 'sticky-menu' );
 564                                 stickyMenuActive = false;
 565                         }
 566                 },
 567
 568                 update: function() {
 569                         // Make the admin menu sticky if the viewport is taller than it
 570                         if ( $window.height() > $adminMenuWrap.height() + 32 ) {
 571                                 if ( ! $body.hasClass( 'sticky-menu' ) ) {
 572                                         $body.addClass( 'sticky-menu' );
 573                                 }
 574                         } else {
 575                                 if ( $body.hasClass( 'sticky-menu' ) ) {
 576                                         $body.removeClass( 'sticky-menu' );
 577                                 }
 578                         }
 579                 }
 580         };
 581
 582         window.wpResponsive = {
 583                 init: function() {
 584                         var self = this,
 585                                 scrollStart = 0;
 586
 587                         // Modify functionality based on custom activate/deactivate event
 588                         $document.on( 'wp-responsive-activate.wp-responsive', function() {
 589                                 self.activate();
 590                         }).on( 'wp-responsive-deactivate.wp-responsive', function() {
 591                                 self.deactivate();
 592                         });
 593
 594                         $( '#wp-admin-bar-menu-toggle a' ).attr( 'aria-expanded', 'false' );
 595
 596                         // Toggle sidebar when toggle is clicked
 597                         $( '#wp-admin-bar-menu-toggle' ).on( 'click.wp-responsive', function( event ) {
 598                                 event.preventDefault();
 599                                 $wpwrap.toggleClass( 'wp-responsive-open' );
 600                                 if ( $wpwrap.hasClass( 'wp-responsive-open' ) ) {
 601                                         $(this).find('a').attr( 'aria-expanded', 'true' );
 602                                         $( '#adminmenu a:first' ).focus();
 603                                 } else {
 604                                         $(this).find('a').attr( 'aria-expanded', 'false' );
 605                                 }
 606                         } );
 607
 608                         // Add menu events
 609                         $adminmenu.on( 'touchstart.wp-responsive', 'li.wp-has-submenu > a', function() {
 610                                 scrollStart = $window.scrollTop();
 611                         }).on( 'touchend.wp-responsive click.wp-responsive', 'li.wp-has-submenu > a', function( event ) {
 612                                 if ( ! $adminmenu.data('wp-responsive') ||
 613                                         ( event.type === 'touchend' && $window.scrollTop() !== scrollStart ) ) {
 614
 615                                         return;
 616                                 }
 617
 618                                 $( this ).parent( 'li' ).toggleClass( 'selected' );
 619                                 event.preventDefault();
 620                         });
 621
 622                         self.trigger();
 623                         $document.on( 'wp-window-resized.wp-responsive', $.proxy( this.trigger, this ) );
 624
 625                         // This needs to run later as UI Sortable may be initialized later on $(document).ready()
 626                         $window.on( 'load.wp-responsive', function() {
 627                                 var width = navigator.userAgent.indexOf('AppleWebKit/') > -1 ? $window.width() : window.innerWidth;
 628
 629                                 if ( width <= 782 ) {
 630                                         self.disableSortables();
 631                                 }
 632                         });
 633                 },
 634
 635                 activate: function() {
 636                         window.stickyMenu.disable();
 637
 638                         if ( ! $body.hasClass( 'auto-fold' ) ) {
 639                                 $body.addClass( 'auto-fold' );
 640                         }
 641
 642                         $adminmenu.data( 'wp-responsive', 1 );
 643                         this.disableSortables();
 644                 },
 645
 646                 deactivate: function() {
 647                         window.stickyMenu.enable();
 648                         $adminmenu.removeData('wp-responsive');
 649                         this.enableSortables();
 650                 },
 651
 652                 trigger: function() {
 653                         var width;
 654
 655                         if ( window.innerWidth ) {
 656                                 // window.innerWidth is affected by zooming on phones
 657                                 width = Math.max( window.innerWidth, document.documentElement.clientWidth );
 658                         } else {
 659                                 // Exclude IE < 9, it doesn't support @media CSS rules
 660                                 return;
 661                         }
 662
 663                         if ( width <= 782 ) {
 664                                 if ( ! wpResponsiveActive ) {
 665                                         $document.trigger( 'wp-responsive-activate' );
 666                                         wpResponsiveActive = true;
 667                                 }
 668                         } else {
 669                                 if ( wpResponsiveActive ) {
 670                                         $document.trigger( 'wp-responsive-deactivate' );
 671                                         wpResponsiveActive = false;
 672                                 }
 673                         }
 674
 675                         if ( width <= 480 ) {
 676                                 this.enableOverlay();
 677                         } else {
 678                                 this.disableOverlay();
 679                         }
 680                 },
 681
 682                 enableOverlay: function() {
 683                         if ( $overlay.length === 0 ) {
 684                                 $overlay = $( '<div id="wp-responsive-overlay"></div>' )
 685                                         .insertAfter( '#wpcontent' )
 686                                         .hide()
 687                                         .on( 'click.wp-responsive', function() {
 688                                                 $toolbar.find( '.menupop.hover' ).removeClass( 'hover' );
 689                                                 $( this ).hide();
 690                                         });
 691                         }
 692
 693                         $toolbarPopups.on( 'click.wp-responsive', function() {
 694                                 $overlay.show();
 695                         });
 696                 },
 697
 698                 disableOverlay: function() {
 699                         $toolbarPopups.off( 'click.wp-responsive' );
 700                         $overlay.hide();
 701                 },
 702
 703                 disableSortables: function() {
 704                         if ( $sortables.length ) {
 705                                 try {
 706                                         $sortables.sortable('disable');
 707                                 } catch(e) {}
 708                         }
 709                 },
 710
 711                 enableSortables: function() {
 712                         if ( $sortables.length ) {
 713                                 try {
 714                                         $sortables.sortable('enable');
 715                                 } catch(e) {}
 716                         }
 717                 }
 718         };
 719
 720         window.stickyMenu.enable();
 721         window.wpResponsive.init();
 722 });
 723
 724 // make Windows 8 devices playing along nicely
 725 (function(){
 726         if ( '-ms-user-select' in document.documentElement.style && navigator.userAgent.match(/IEMobile\/10\.0/) ) {
 727                 var msViewportStyle = document.createElement( 'style' );
 728                 msViewportStyle.appendChild(
 729                         document.createTextNode( '@-ms-viewport{width:auto!important}' )
 730                 );
 731                 document.getElementsByTagName( 'head' )[0].appendChild( msViewportStyle );
 732         }
 733 })();
 734
 735 }( jQuery, window ));