wp-admin/js/widgets.js

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