wp-admin/js/widgets.js

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