wp-admin/js/widgets.js

   1 /*global ajaxurl, isRtl */
   2 var wpWidgets;
   3 (function($) {
   4         var $document = $( document );
   5
   6 wpWidgets = {
   7         /**
   8          * A closed Sidebar that gets a Widget dragged over it.
   9          *
  10          * @var element|null
  11          */
  12         hoveredSidebar: null,
  13
  14         init : function() {
  15                 var rem, the_id,
  16                         self = this,
  17                         chooser = $('.widgets-chooser'),
  18                         selectSidebar = chooser.find('.widgets-chooser-sidebars'),
  19                         sidebars = $('div.widgets-sortables'),
  20                         isRTL = !! ( 'undefined' !== typeof isRtl && isRtl );
  21
  22                 $('#widgets-right .sidebar-name').click( function() {
  23                         var $this = $(this),
  24                                 $wrap = $this.closest('.widgets-holder-wrap');
  25
  26                         if ( $wrap.hasClass('closed') ) {
  27                                 $wrap.removeClass('closed');
  28                                 $this.parent().sortable('refresh');
  29                         } else {
  30                                 $wrap.addClass('closed');
  31                         }
  32
  33                         $document.triggerHandler( 'wp-pin-menu' );
  34                 });
  35
  36                 $('#widgets-left .sidebar-name').click( function() {
  37                         $(this).closest('.widgets-holder-wrap').toggleClass('closed');
  38                         $document.triggerHandler( 'wp-pin-menu' );
  39                 });
  40
  41                 $(document.body).bind('click.widgets-toggle', function(e) {
  42                         var target = $(e.target),
  43                                 css = { 'z-index': 100 },
  44                                 widget, inside, targetWidth, widgetWidth, margin;
  45
  46                         if ( target.parents('.widget-top').length && ! target.parents('#available-widgets').length ) {
  47                                 widget = target.closest('div.widget');
  48                                 inside = widget.children('.widget-inside');
  49                                 targetWidth = parseInt( widget.find('input.widget-width').val(), 10 ),
  50                                 widgetWidth = widget.parent().width();
  51
  52                                 if ( inside.is(':hidden') ) {
  53                                         if ( targetWidth > 250 && ( targetWidth + 30 > widgetWidth ) && widget.closest('div.widgets-sortables').length ) {
  54                                                 if ( widget.closest('div.widget-liquid-right').length ) {
  55                                                         margin = isRTL ? 'margin-right' : 'margin-left';
  56                                                 } else {
  57                                                         margin = isRTL ? 'margin-left' : 'margin-right';
  58                                                 }
  59
  60                                                 css[ margin ] = widgetWidth - ( targetWidth + 30 ) + 'px';
  61                                                 widget.css( css );
  62                                         }
  63                                         widget.addClass( 'open' );
  64                                         inside.slideDown('fast');
  65                                 } else {
  66                                         inside.slideUp('fast', function() {
  67                                                 widget.attr( 'style', '' );
  68                                                 widget.removeClass( 'open' );
  69                                         });
  70                                 }
  71                                 e.preventDefault();
  72                         } else if ( target.hasClass('widget-control-save') ) {
  73                                 wpWidgets.save( target.closest('div.widget'), 0, 1, 0 );
  74                                 e.preventDefault();
  75                         } else if ( target.hasClass('widget-control-remove') ) {
  76                                 wpWidgets.save( target.closest('div.widget'), 1, 1, 0 );
  77                                 e.preventDefault();
  78                         } else if ( target.hasClass('widget-control-close') ) {
  79                                 widget = target.closest('div.widget');
  80                                 widget.removeClass( 'open' );
  81                                 wpWidgets.close( widget );
  82                                 e.preventDefault();
  83                         }
  84                 });
  85
  86                 sidebars.children('.widget').each( function() {
  87                         var $this = $(this);
  88
  89                         wpWidgets.appendTitle( this );
  90
  91                         if ( $this.find( 'p.widget-error' ).length ) {
  92                                 $this.find( 'a.widget-action' ).trigger('click');
  93                         }
  94                 });
  95
  96                 $('#widget-list').children('.widget').draggable({
  97                         connectToSortable: 'div.widgets-sortables',
  98                         handle: '> .widget-top > .widget-title',
  99                         distance: 2,
 100                         helper: 'clone',
 101                         zIndex: 100,
 102                         containment: '#wpwrap',
 103                         refreshPositions: true,
 104                         start: function( event, ui ) {
 105                                 var chooser = $(this).find('.widgets-chooser');
 106
 107                                 ui.helper.find('div.widget-description').hide();
 108                                 the_id = this.id;
 109
 110                                 if ( chooser.length ) {
 111                                         // Hide the chooser and move it out of the widget
 112                                         $( '#wpbody-content' ).append( chooser.hide() );
 113                                         // Delete the cloned chooser from the drag helper
 114                                         ui.helper.find('.widgets-chooser').remove();
 115                                         self.clearWidgetSelection();
 116                                 }
 117                         },
 118                         stop: function() {
 119                                 if ( rem ) {
 120                                         $(rem).hide();
 121                                 }
 122
 123                                 rem = '';
 124                         }
 125                 });
 126
 127                 /**
 128                  * Opens and closes previously closed Sidebars when Widgets are dragged over/out of them.
 129                  */
 130                 sidebars.droppable( {
 131                         tolerance: 'intersect',
 132
 133                         /**
 134                          * Open Sidebar when a Widget gets dragged over it.
 135                          *
 136                          * @param event
 137                          */
 138                         over: function( event ) {
 139                                 var $wrap = $( event.target ).parent();
 140
 141                                 if ( wpWidgets.hoveredSidebar && ! $wrap.is( wpWidgets.hoveredSidebar ) ) {
 142                                         // Close the previous Sidebar as the Widget has been dragged onto another Sidebar.
 143                                         wpWidgets.closeSidebar( event );
 144                                 }
 145
 146                                 if ( $wrap.hasClass( 'closed' ) ) {
 147                                         wpWidgets.hoveredSidebar = $wrap;
 148                                         $wrap.removeClass( 'closed' );
 149                                 }
 150
 151                                 $( this ).sortable( 'refresh' );
 152                         },
 153
 154                         /**
 155                          * Close Sidebar when the Widget gets dragged out of it.
 156                          *
 157                          * @param event
 158                          */
 159                         out: function( event ) {
 160                                 if ( wpWidgets.hoveredSidebar ) {
 161                                         wpWidgets.closeSidebar( event );
 162                                 }
 163                         }
 164                 } );
 165
 166                 sidebars.sortable({
 167                         placeholder: 'widget-placeholder',
 168                         items: '> .widget',
 169                         handle: '> .widget-top > .widget-title',
 170                         cursor: 'move',
 171                         distance: 2,
 172                         containment: '#wpwrap',
 173                         tolerance: 'pointer',
 174                         refreshPositions: true,
 175                         start: function( event, ui ) {
 176                                 var height, $this = $(this),
 177                                         $wrap = $this.parent(),
 178                                         inside = ui.item.children('.widget-inside');
 179
 180                                 if ( inside.css('display') === 'block' ) {
 181                                         inside.hide();
 182                                         $(this).sortable('refreshPositions');
 183                                 }
 184
 185                                 if ( ! $wrap.hasClass('closed') ) {
 186                                         // Lock all open sidebars min-height when starting to drag.
 187                                         // Prevents jumping when dragging a widget from an open sidebar to a closed sidebar below.
 188                                         height = ui.item.hasClass('ui-draggable') ? $this.height() : 1 + $this.height();
 189                                         $this.css( 'min-height', height + 'px' );
 190                                 }
 191                         },
 192
 193                         stop: function( event, ui ) {
 194                                 var addNew, widgetNumber, $sidebar, $children, child, item,
 195                                         $widget = ui.item,
 196                                         id = the_id;
 197
 198                                 // Reset the var to hold a previously closed sidebar.
 199                                 wpWidgets.hoveredSidebar = null;
 200
 201                                 if ( $widget.hasClass('deleting') ) {
 202                                         wpWidgets.save( $widget, 1, 0, 1 ); // delete widget
 203                                         $widget.remove();
 204                                         return;
 205                                 }
 206
 207                                 addNew = $widget.find('input.add_new').val();
 208                                 widgetNumber = $widget.find('input.multi_number').val();
 209
 210                                 $widget.attr( 'style', '' ).removeClass('ui-draggable');
 211                                 the_id = '';
 212
 213                                 if ( addNew ) {
 214                                         if ( 'multi' === addNew ) {
 215                                                 $widget.html(
 216                                                         $widget.html().replace( /<[^<>]+>/g, function( tag ) {
 217                                                                 return tag.replace( /__i__|%i%/g, widgetNumber );
 218                                                         })
 219                                                 );
 220
 221                                                 $widget.attr( 'id', id.replace( '__i__', widgetNumber ) );
 222                                                 widgetNumber++;
 223
 224                                                 $( 'div#' + id ).find( 'input.multi_number' ).val( widgetNumber );
 225                                         } else if ( 'single' === addNew ) {
 226                                                 $widget.attr( 'id', 'new-' + id );
 227                                                 rem = 'div#' + id;
 228                                         }
 229
 230                                         wpWidgets.save( $widget, 0, 0, 1 );
 231                                         $widget.find('input.add_new').val('');
 232                                         $document.trigger( 'widget-added', [ $widget ] );
 233                                 }
 234
 235                                 $sidebar = $widget.parent();
 236
 237                                 if ( $sidebar.parent().hasClass('closed') ) {
 238                                         $sidebar.parent().removeClass('closed');
 239                                         $children = $sidebar.children('.widget');
 240
 241                                         // Make sure the dropped widget is at the top
 242                                         if ( $children.length > 1 ) {
 243                                                 child = $children.get(0);
 244                                                 item = $widget.get(0);
 245
 246                                                 if ( child.id && item.id && child.id !== item.id ) {
 247                                                         $( child ).before( $widget );
 248                                                 }
 249                                         }
 250                                 }
 251
 252                                 if ( addNew ) {
 253                                         $widget.find( 'a.widget-action' ).trigger('click');
 254                                 } else {
 255                                         wpWidgets.saveOrder( $sidebar.attr('id') );
 256                                 }
 257                         },
 258
 259                         activate: function() {
 260                                 $(this).parent().addClass( 'widget-hover' );
 261                         },
 262
 263                         deactivate: function() {
 264                                 // Remove all min-height added on "start"
 265                                 $(this).css( 'min-height', '' ).parent().removeClass( 'widget-hover' );
 266                         },
 267
 268                         receive: function( event, ui ) {
 269                                 var $sender = $( ui.sender );
 270
 271                                 // Don't add more widgets to orphaned sidebars
 272                                 if ( this.id.indexOf('orphaned_widgets') > -1 ) {
 273                                         $sender.sortable('cancel');
 274                                         return;
 275                                 }
 276
 277                                 // If the last widget was moved out of an orphaned sidebar, close and remove it.
 278                                 if ( $sender.attr('id').indexOf('orphaned_widgets') > -1 && ! $sender.children('.widget').length ) {
 279                                         $sender.parents('.orphan-sidebar').slideUp( 400, function(){ $(this).remove(); } );
 280                                 }
 281                         }
 282                 }).sortable( 'option', 'connectWith', 'div.widgets-sortables' );
 283
 284                 $('#available-widgets').droppable({
 285                         tolerance: 'pointer',
 286                         accept: function(o){
 287                                 return $(o).parent().attr('id') !== 'widget-list';
 288                         },
 289                         drop: function(e,ui) {
 290                                 ui.draggable.addClass('deleting');
 291                                 $('#removing-widget').hide().children('span').empty();
 292                         },
 293                         over: function(e,ui) {
 294                                 ui.draggable.addClass('deleting');
 295                                 $('div.widget-placeholder').hide();
 296
 297                                 if ( ui.draggable.hasClass('ui-sortable-helper') ) {
 298                                         $('#removing-widget').show().children('span')
 299                                         .html( ui.draggable.find('div.widget-title').children('h4').html() );
 300                                 }
 301                         },
 302                         out: function(e,ui) {
 303                                 ui.draggable.removeClass('deleting');
 304                                 $('div.widget-placeholder').show();
 305                                 $('#removing-widget').hide().children('span').empty();
 306                         }
 307                 });
 308
 309                 // Area Chooser
 310                 $( '#widgets-right .widgets-holder-wrap' ).each( function( index, element ) {
 311                         var $element = $( element ),
 312                                 name = $element.find( '.sidebar-name h3' ).text(),
 313                                 id = $element.find( '.widgets-sortables' ).attr( 'id' ),
 314                                 li = $('<li tabindex="0">').text( $.trim( name ) );
 315
 316                         if ( index === 0 ) {
 317                                 li.addClass( 'widgets-chooser-selected' );
 318                         }
 319
 320                         selectSidebar.append( li );
 321                         li.data( 'sidebarId', id );
 322                 });
 323
 324                 $( '#available-widgets .widget .widget-title' ).on( 'click.widgets-chooser', function() {
 325                         var $widget = $(this).closest( '.widget' );
 326
 327                         if ( $widget.hasClass( 'widget-in-question' ) || $( '#widgets-left' ).hasClass( 'chooser' ) ) {
 328                                 self.closeChooser();
 329                         } else {
 330                                 // Open the chooser
 331                                 self.clearWidgetSelection();
 332                                 $( '#widgets-left' ).addClass( 'chooser' );
 333                                 $widget.addClass( 'widget-in-question' ).children( '.widget-description' ).after( chooser );
 334
 335                                 chooser.slideDown( 300, function() {
 336                                         selectSidebar.find('.widgets-chooser-selected').focus();
 337                                 });
 338
 339                                 selectSidebar.find( 'li' ).on( 'focusin.widgets-chooser', function() {
 340                                         selectSidebar.find('.widgets-chooser-selected').removeClass( 'widgets-chooser-selected' );
 341                                         $(this).addClass( 'widgets-chooser-selected' );
 342                                 } );
 343                         }
 344                 });
 345
 346                 // Add event handlers
 347                 chooser.on( 'click.widgets-chooser', function( event ) {
 348                         var $target = $( event.target );
 349
 350                         if ( $target.hasClass('button-primary') ) {
 351                                 self.addWidget( chooser );
 352                                 self.closeChooser();
 353                         } else if ( $target.hasClass('button-secondary') ) {
 354                                 self.closeChooser();
 355                         }
 356                 }).on( 'keyup.widgets-chooser', function( event ) {
 357                         if ( event.which === $.ui.keyCode.ENTER ) {
 358                                 if ( $( event.target ).hasClass('button-secondary') ) {
 359                                         // Close instead of adding when pressing Enter on the Cancel button
 360                                         self.closeChooser();
 361                                 } else {
 362                                         self.addWidget( chooser );
 363                                         self.closeChooser();
 364                                 }
 365                         } else if ( event.which === $.ui.keyCode.ESCAPE ) {
 366                                 self.closeChooser();
 367                         }
 368                 });
 369         },
 370
 371         saveOrder : function( sidebarId ) {
 372                 var data = {
 373                         action: 'widgets-order',
 374                         savewidgets: $('#_wpnonce_widgets').val(),
 375                         sidebars: []
 376                 };
 377
 378                 if ( sidebarId ) {
 379                         $( '#' + sidebarId ).find( '.spinner:first' ).addClass( 'is-active' );
 380                 }
 381
 382                 $('div.widgets-sortables').each( function() {
 383                         if ( $(this).sortable ) {
 384                                 data['sidebars[' + $(this).attr('id') + ']'] = $(this).sortable('toArray').join(',');
 385                         }
 386                 });
 387
 388                 $.post( ajaxurl, data, function() {
 389                         $( '.spinner' ).removeClass( 'is-active' );
 390                 });
 391         },
 392
 393         save : function( widget, del, animate, order ) {
 394                 var sidebarId = widget.closest('div.widgets-sortables').attr('id'),
 395                         data = widget.find('form').serialize(), a;
 396
 397                 widget = $(widget);
 398                 $( '.spinner', widget ).addClass( 'is-active' );
 399
 400                 a = {
 401                         action: 'save-widget',
 402                         savewidgets: $('#_wpnonce_widgets').val(),
 403                         sidebar: sidebarId
 404                 };
 405
 406                 if ( del ) {
 407                         a.delete_widget = 1;
 408                 }
 409
 410                 data += '&' + $.param(a);
 411
 412                 $.post( ajaxurl, data, function(r) {
 413                         var id;
 414
 415                         if ( del ) {
 416                                 if ( ! $('input.widget_number', widget).val() ) {
 417                                         id = $('input.widget-id', widget).val();
 418                                         $('#available-widgets').find('input.widget-id').each(function(){
 419                                                 if ( $(this).val() === id ) {
 420                                                         $(this).closest('div.widget').show();
 421                                                 }
 422                                         });
 423                                 }
 424
 425                                 if ( animate ) {
 426                                         order = 0;
 427                                         widget.slideUp('fast', function(){
 428                                                 $(this).remove();
 429                                                 wpWidgets.saveOrder();
 430                                         });
 431                                 } else {
 432                                         widget.remove();
 433                                 }
 434                         } else {
 435                                 $( '.spinner' ).removeClass( 'is-active' );
 436                                 if ( r && r.length > 2 ) {
 437                                         $( 'div.widget-content', widget ).html( r );
 438                                         wpWidgets.appendTitle( widget );
 439                                         $document.trigger( 'widget-updated', [ widget ] );
 440                                 }
 441                         }
 442                         if ( order ) {
 443                                 wpWidgets.saveOrder();
 444                         }
 445                 });
 446         },
 447
 448         appendTitle : function(widget) {
 449                 var title = $('input[id*="-title"]', widget).val() || '';
 450
 451                 if ( title ) {
 452                         title = ': ' + title.replace(/<[^<>]+>/g, '').replace(/</g, '&lt;').replace(/>/g, '&gt;');
 453                 }
 454
 455                 $(widget).children('.widget-top').children('.widget-title').children()
 456                                 .children('.in-widget-title').html(title);
 457
 458         },
 459
 460         close : function(widget) {
 461                 widget.children('.widget-inside').slideUp('fast', function() {
 462                         widget.attr( 'style', '' );
 463                 });
 464         },
 465
 466         addWidget: function( chooser ) {
 467                 var widget, widgetId, add, n, viewportTop, viewportBottom, sidebarBounds,
 468                         sidebarId = chooser.find( '.widgets-chooser-selected' ).data('sidebarId'),
 469                         sidebar = $( '#' + sidebarId );
 470
 471                 widget = $('#available-widgets').find('.widget-in-question').clone();
 472                 widgetId = widget.attr('id');
 473                 add = widget.find( 'input.add_new' ).val();
 474                 n = widget.find( 'input.multi_number' ).val();
 475
 476                 // Remove the cloned chooser from the widget
 477                 widget.find('.widgets-chooser').remove();
 478
 479                 if ( 'multi' === add ) {
 480                         widget.html(
 481                                 widget.html().replace( /<[^<>]+>/g, function(m) {
 482                                         return m.replace( /__i__|%i%/g, n );
 483                                 })
 484                         );
 485
 486                         widget.attr( 'id', widgetId.replace( '__i__', n ) );
 487                         n++;
 488                         $( '#' + widgetId ).find('input.multi_number').val(n);
 489                 } else if ( 'single' === add ) {
 490                         widget.attr( 'id', 'new-' + widgetId );
 491                         $( '#' + widgetId ).hide();
 492                 }
 493
 494                 // Open the widgets container
 495                 sidebar.closest( '.widgets-holder-wrap' ).removeClass('closed');
 496
 497                 sidebar.append( widget );
 498                 sidebar.sortable('refresh');
 499
 500                 wpWidgets.save( widget, 0, 0, 1 );
 501                 // No longer "new" widget
 502                 widget.find( 'input.add_new' ).val('');
 503
 504                 $document.trigger( 'widget-added', [ widget ] );
 505
 506                 /*
 507                  * Check if any part of the sidebar is visible in the viewport. If it is, don't scroll.
 508                  * Otherwise, scroll up to so the sidebar is in view.
 509                  *
 510                  * We do this by comparing the top and bottom, of the sidebar so see if they are within
 511                  * the bounds of the viewport.
 512                  */
 513                 viewportTop = $(window).scrollTop();
 514                 viewportBottom = viewportTop + $(window).height();
 515                 sidebarBounds = sidebar.offset();
 516
 517                 sidebarBounds.bottom = sidebarBounds.top + sidebar.outerHeight();
 518
 519                 if ( viewportTop > sidebarBounds.bottom || viewportBottom < sidebarBounds.top ) {
 520                         $( 'html, body' ).animate({
 521                                 scrollTop: sidebarBounds.top - 130
 522                         }, 200 );
 523                 }
 524
 525                 window.setTimeout( function() {
 526                         // Cannot use a callback in the animation above as it fires twice,
 527                         // have to queue this "by hand".
 528                         widget.find( '.widget-title' ).trigger('click');
 529                 }, 250 );
 530         },
 531
 532         closeChooser: function() {
 533                 var self = this;
 534
 535                 $( '.widgets-chooser' ).slideUp( 200, function() {
 536                         $( '#wpbody-content' ).append( this );
 537                         self.clearWidgetSelection();
 538                 });
 539         },
 540
 541         clearWidgetSelection: function() {
 542                 $( '#widgets-left' ).removeClass( 'chooser' );
 543                 $( '.widget-in-question' ).removeClass( 'widget-in-question' );
 544         },
 545
 546         /**
 547          * Closes a Sidebar that was previously closed, but opened by dragging a Widget over it.
 548          *
 549          * Used when a Widget gets dragged in/out of the Sidebar and never dropped.
 550          *
 551          * @param sidebar
 552          */
 553         closeSidebar: function( sidebar ) {
 554                 this.hoveredSidebar.addClass( 'closed' );
 555                 $( sidebar.target ).css( 'min-height', '' );
 556                 this.hoveredSidebar = null;
 557         }
 558 };
 559
 560 $document.ready( function(){ wpWidgets.init(); } );
 561
 562 })(jQuery);