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