resources/src/mediawiki.rcfilters/ui/FilterTagMultiselectWidget.js

   1 var ViewSwitchWidget = require( './ViewSwitchWidget.js' ),
   2         SaveFiltersPopupButtonWidget = require( './SaveFiltersPopupButtonWidget.js' ),
   3         MenuSelectWidget = require( './MenuSelectWidget.js' ),
   4         FilterTagItemWidget = require( './FilterTagItemWidget.js' ),
   5         FilterTagMultiselectWidget;
   6
   7 /**
   8  * List displaying all filter groups
   9  *
  10  * @class mw.rcfilters.ui.FilterTagMultiselectWidget
  11  * @extends OO.ui.MenuTagMultiselectWidget
  12  * @mixins OO.ui.mixin.PendingElement
  13  *
  14  * @constructor
  15  * @param {mw.rcfilters.Controller} controller Controller
  16  * @param {mw.rcfilters.dm.FiltersViewModel} model View model
  17  * @param {mw.rcfilters.dm.SavedQueriesModel} savedQueriesModel Saved queries model
  18  * @param {Object} config Configuration object
  19  * @cfg {jQuery} [$overlay] A jQuery object serving as overlay for popups
  20  * @cfg {jQuery} [$wrapper] A jQuery object for the wrapper of the general
  21  *  system. If not given, falls back to this widget's $element
  22  * @cfg {boolean} [collapsed] Filter area is collapsed
  23  */
  24 FilterTagMultiselectWidget = function MwRcfiltersUiFilterTagMultiselectWidget( controller, model, savedQueriesModel, config ) {
  25         var rcFiltersRow,
  26                 title = new OO.ui.LabelWidget( {
  27                         label: mw.msg( 'rcfilters-activefilters' ),
  28                         classes: [ 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-content-title' ]
  29                 } ),
  30                 $contentWrapper = $( '<div>' )
  31                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper' );
  32
  33         config = config || {};
  34
  35         this.controller = controller;
  36         this.model = model;
  37         this.queriesModel = savedQueriesModel;
  38         this.$overlay = config.$overlay || this.$element;
  39         this.$wrapper = config.$wrapper || this.$element;
  40         this.matchingQuery = null;
  41         this.currentView = this.model.getCurrentView();
  42         this.collapsed = false;
  43         this.isMobile = config.isMobile;
  44
  45         // Parent
  46         FilterTagMultiselectWidget.parent.call( this, $.extend( true, {
  47                 label: mw.msg( 'rcfilters-filterlist-title' ),
  48                 placeholder: mw.msg( 'rcfilters-empty-filter' ),
  49                 inputPosition: 'outline',
  50                 allowArbitrary: false,
  51                 allowDisplayInvalidTags: false,
  52                 allowReordering: false,
  53                 $overlay: this.$overlay,
  54                 menu: {
  55                         // Our filtering is done through the model
  56                         filterFromInput: false,
  57                         hideWhenOutOfView: false,
  58                         hideOnChoose: false,
  59                         // Only set width and footers for desktop
  60                         isMobile: this.isMobile,
  61                         width: 650,
  62                         footers: [
  63                                 {
  64                                         name: 'viewSelect',
  65                                         sticky: false,
  66                                         // View select menu, appears on default view only
  67                                         $element: $( '<div>' )
  68                                                 .append( new ViewSwitchWidget( this.controller, this.model ).$element ),
  69                                         views: [ 'default' ]
  70                                 },
  71                                 {
  72                                         name: 'feedback',
  73                                         // Feedback footer, appears on all views
  74                                         $element: $( '<div>' )
  75                                                 .append(
  76                                                         new OO.ui.ButtonWidget( {
  77                                                                 framed: false,
  78                                                                 icon: 'feedback',
  79                                                                 flags: [ 'progressive' ],
  80                                                                 label: mw.msg( 'rcfilters-filterlist-feedbacklink' ),
  81                                                                 href: 'https://www.mediawiki.org/wiki/Help_talk:New_filters_for_edit_review'
  82                                                         } ).$element
  83                                                 )
  84                                 }
  85                         ]
  86                 },
  87                 /**
  88                  * In the presence of an onscreen keyboard (i.e. isMobile) the filter input should act as a button
  89                  * rather than a text input. Mobile screens are too small to accommodate both an
  90                  * onscreen keyboard and a popup-menu, so readyOnly is set to disable the keyboard.
  91                  * A different icon and shorter message is used for mobile as well. (See T224655 for details).
  92                  */
  93                 input: {
  94                         icon: this.isMobile ? 'funnel' : 'menu',
  95                         placeholder: this.isMobile ? mw.msg( 'rcfilters-search-placeholder-mobile' ) : mw.msg( 'rcfilters-search-placeholder' ),
  96                         readOnly: !!this.isMobile,
  97                         classes: [ 'oo-ui-tagMultiselectWidget-input' ]
  98                 }
  99         }, config ) );
 100
 101         this.savedQueryTitle = new OO.ui.LabelWidget( {
 102                 label: '',
 103                 classes: [ 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-content-savedQueryTitle' ]
 104         } );
 105
 106         this.resetButton = new OO.ui.ButtonWidget( {
 107                 framed: false,
 108                 classes: [ 'mw-rcfilters-ui-filterTagMultiselectWidget-resetButton' ]
 109         } );
 110
 111         this.hideShowButton = new OO.ui.ButtonWidget( {
 112                 framed: false,
 113                 flags: [ 'progressive' ],
 114                 classes: [ 'mw-rcfilters-ui-filterTagMultiselectWidget-hideshowButton' ]
 115         } );
 116         this.toggleCollapsed( !!config.collapsed );
 117
 118         if ( !mw.user.isAnon() ) {
 119                 this.saveQueryButton = new SaveFiltersPopupButtonWidget(
 120                         this.controller,
 121                         this.queriesModel,
 122                         {
 123                                 $overlay: this.$overlay
 124                         }
 125                 );
 126
 127                 this.saveQueryButton.$element.on( 'mousedown', function ( e ) {
 128                         e.stopPropagation();
 129                 } );
 130
 131                 this.saveQueryButton.connect( this, {
 132                         click: 'onSaveQueryButtonClick',
 133                         saveCurrent: 'setSavedQueryVisibility'
 134                 } );
 135                 this.queriesModel.connect( this, {
 136                         itemUpdate: 'onSavedQueriesItemUpdate',
 137                         initialize: 'onSavedQueriesInitialize',
 138                         default: 'reevaluateResetRestoreState'
 139                 } );
 140         }
 141
 142         this.emptyFilterMessage = new OO.ui.LabelWidget( {
 143                 label: mw.msg( 'rcfilters-empty-filter' ),
 144                 classes: [ 'mw-rcfilters-ui-filterTagMultiselectWidget-emptyFilters' ]
 145         } );
 146         this.$content.append( this.emptyFilterMessage.$element );
 147
 148         // Events
 149         this.resetButton.connect( this, { click: 'onResetButtonClick' } );
 150         this.hideShowButton.connect( this, { click: 'onHideShowButtonClick' } );
 151         // Stop propagation for mousedown, so that the widget doesn't
 152         // trigger the focus on the input and scrolls up when we click the reset button
 153         this.resetButton.$element.on( 'mousedown', function ( e ) {
 154                 e.stopPropagation();
 155         } );
 156         this.hideShowButton.$element.on( 'mousedown', function ( e ) {
 157                 e.stopPropagation();
 158         } );
 159         this.model.connect( this, {
 160                 initialize: 'onModelInitialize',
 161                 update: 'onModelUpdate',
 162                 searchChange: this.isMobile ? function () {} : 'onModelSearchChange',
 163                 itemUpdate: 'onModelItemUpdate',
 164                 highlightChange: 'onModelHighlightChange'
 165         } );
 166
 167         if ( !this.isMobile ) {
 168                 this.input.connect( this, { change: 'onInputChange' } );
 169         }
 170
 171         // The filter list and button should appear side by side regardless of how
 172         // wide the button is; the button also changes its width depending
 173         // on language and its state, so the safest way to present both side
 174         // by side is with a table layout
 175         rcFiltersRow = $( '<div>' )
 176                 .addClass( 'mw-rcfilters-ui-row' )
 177                 .append(
 178                         this.$content
 179                                 .addClass( 'mw-rcfilters-ui-cell' )
 180                                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-cell-filters' )
 181                 );
 182
 183         if ( !mw.user.isAnon() ) {
 184                 rcFiltersRow.append(
 185                         $( '<div>' )
 186                                 .addClass( 'mw-rcfilters-ui-cell' )
 187                                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-cell-save' )
 188                                 .append( this.saveQueryButton.$element )
 189                 );
 190         }
 191
 192         // Add a selector at the right of the input
 193         this.viewsSelectWidget = this.createViewsSelectWidget();
 194
 195         // change the layout of the viewsSelectWidget
 196         this.restructureViewsSelectWidget();
 197
 198         // Event
 199         this.viewsSelectWidget.connect( this, { choose: 'onViewsSelectWidgetChoose' } );
 200
 201         rcFiltersRow.append(
 202                 $( '<div>' )
 203                         .addClass( 'mw-rcfilters-ui-cell' )
 204                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-cell-reset' )
 205                         .append( this.resetButton.$element )
 206         );
 207
 208         // Build the content
 209         $contentWrapper.append(
 210                 $( '<div>' )
 211                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-top' )
 212                         .append(
 213                                 $( '<div>' )
 214                                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-top-title' )
 215                                         .append( title.$element ),
 216                                 $( '<div>' )
 217                                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-top-queryName' )
 218                                         .append( this.savedQueryTitle.$element ),
 219                                 $( '<div>' )
 220                                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-top-hideshow' )
 221                                         .append(
 222                                                 this.hideShowButton.$element
 223                                         )
 224                         ),
 225                 $( '<div>' )
 226                         .addClass( 'mw-rcfilters-ui-table' )
 227                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-wrapper-filters' )
 228                         .append( rcFiltersRow )
 229         );
 230
 231         // Initialize
 232         this.$handle.append( $contentWrapper );
 233         this.emptyFilterMessage.toggle( this.isEmpty() );
 234         this.savedQueryTitle.toggle( false );
 235
 236         this.$element
 237                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget' );
 238
 239         if ( this.isMobile ) {
 240                 this.$element
 241                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-mobile' );
 242         }
 243
 244         this.reevaluateResetRestoreState();
 245 };
 246
 247 /* Initialization */
 248
 249 OO.inheritClass( FilterTagMultiselectWidget, OO.ui.MenuTagMultiselectWidget );
 250
 251 /* Methods */
 252
 253 /**
 254  * Create a OOUI ButtonSelectWidget. The buttons are framed and have additional CSS
 255  * classes applied on mobile.
 256  * @return {OO.ui.ButtonSelectWidget}
 257  */
 258 FilterTagMultiselectWidget.prototype.createViewsSelectWidget = function () {
 259         return new OO.ui.ButtonSelectWidget( {
 260                 classes: this.isMobile ?
 261                         [
 262                                 'mw-rcfilters-ui-table',
 263                                 'mw-rcfilters-ui-filterTagMultiselectWidget-mobile-view'
 264                         ] :
 265                         [
 266                                 'mw-rcfilters-ui-filterTagMultiselectWidget-views-select-widget'
 267                         ],
 268                 items: [
 269                         new OO.ui.ButtonOptionWidget( {
 270                                 framed: !!this.isMobile,
 271                                 data: 'namespaces',
 272                                 icon: 'article',
 273                                 label: mw.msg( 'namespaces' ),
 274                                 classes: this.isMobile ? [ 'mw-rcfilters-ui-cell' ] : []
 275                         } ),
 276                         new OO.ui.ButtonOptionWidget( {
 277                                 framed: !!this.isMobile,
 278                                 data: 'tags',
 279                                 icon: 'tag',
 280                                 label: mw.msg( 'tags-title' ),
 281                                 title: mw.msg( 'rcfilters-view-tags-tooltip' ),
 282                                 classes: this.isMobile ? [ 'mw-rcfilters-ui-cell' ] : []
 283                         } )
 284                 ]
 285         } );
 286 };
 287
 288 /**
 289  * Rearrange the DOM structure of the viewsSelectWiget so that on the namespace & tags buttons
 290  * are at the right of the input on desktop, and below the input on mobile.
 291  */
 292 FilterTagMultiselectWidget.prototype.restructureViewsSelectWidget = function () {
 293         if ( this.isMobile ) {
 294                 // On mobile, append the search input and the extra buttons below the search input.
 295                 this.$element.append(
 296                         $( '<div>' )
 297                                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-views-input' )
 298                                 .append( this.input.$element )
 299                                 .append( this.viewsSelectWidget.$element )
 300                 );
 301         } else {
 302                 // On desktop, rearrange the UI so the select widget is at the right of the input
 303                 this.$element.append(
 304                         $( '<div>' )
 305                                 .addClass( 'mw-rcfilters-ui-table' )
 306                                 .append(
 307                                         $( '<div>' )
 308                                                 .addClass( 'mw-rcfilters-ui-row' )
 309                                                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-views' )
 310                                                 .append(
 311                                                         $( '<div>' )
 312                                                                 .addClass( 'mw-rcfilters-ui-cell' )
 313                                                                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-views-input' )
 314                                                                 .append( this.input.$element ),
 315                                                         $( '<div>' )
 316                                                                 .addClass( 'mw-rcfilters-ui-cell' )
 317                                                                 .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-views-select' )
 318                                                                 .append( this.viewsSelectWidget.$element )
 319                                                 )
 320                                 )
 321                 );
 322         }
 323 };
 324
 325 /**
 326  * Respond to view select widget choose event
 327  *
 328  * @param {OO.ui.ButtonOptionWidget} buttonOptionWidget Chosen widget
 329  */
 330 FilterTagMultiselectWidget.prototype.onViewsSelectWidgetChoose = function ( buttonOptionWidget ) {
 331         this.controller.switchView( buttonOptionWidget.getData() );
 332         this.viewsSelectWidget.selectItem( null );
 333         this.focus();
 334 };
 335
 336 /**
 337  * Respond to model search change event
 338  *
 339  * @param {string} value Search value
 340  */
 341 FilterTagMultiselectWidget.prototype.onModelSearchChange = function ( value ) {
 342         this.input.setValue( value );
 343 };
 344
 345 /**
 346  * Respond to input change event
 347  *
 348  * @param {string} value Value of the input
 349  */
 350 FilterTagMultiselectWidget.prototype.onInputChange = function ( value ) {
 351         this.controller.setSearch( value );
 352 };
 353
 354 /**
 355  * Respond to query button click
 356  */
 357 FilterTagMultiselectWidget.prototype.onSaveQueryButtonClick = function () {
 358         this.getMenu().toggle( false );
 359 };
 360
 361 /**
 362  * Respond to save query model initialization
 363  */
 364 FilterTagMultiselectWidget.prototype.onSavedQueriesInitialize = function () {
 365         this.setSavedQueryVisibility();
 366 };
 367
 368 /**
 369  * Respond to save query item change. Mainly this is done to update the label in case
 370  * a query item has been edited
 371  *
 372  * @param {mw.rcfilters.dm.SavedQueryItemModel} item Saved query item
 373  */
 374 FilterTagMultiselectWidget.prototype.onSavedQueriesItemUpdate = function ( item ) {
 375         if ( this.matchingQuery === item ) {
 376                 // This means we just edited the item that is currently matched
 377                 this.savedQueryTitle.setLabel( item.getLabel() );
 378         }
 379 };
 380
 381 /**
 382  * Respond to menu toggle
 383  *
 384  * @param {boolean} isVisible Menu is visible
 385  */
 386 FilterTagMultiselectWidget.prototype.onMenuToggle = function ( isVisible ) {
 387         // Parent
 388         FilterTagMultiselectWidget.parent.prototype.onMenuToggle.call( this );
 389
 390         if ( isVisible ) {
 391                 if ( !this.isMobile ) {
 392                         this.focus();
 393                 }
 394
 395                 mw.hook( 'RcFilters.popup.open' ).fire();
 396
 397                 if ( !this.getMenu().findSelectedItem() ) {
 398                         // If there are no selected items, scroll menu to top
 399                         // This has to be in a setTimeout so the menu has time
 400                         // to be positioned and fixed
 401                         setTimeout(
 402                                 function () {
 403                                         this.getMenu().scrollToTop();
 404                                 }.bind( this )
 405                         );
 406                 }
 407         } else {
 408                 // Clear selection
 409                 this.selectTag( null );
 410
 411                 // Clear the search
 412                 this.controller.setSearch( '' );
 413
 414                 // Log filter grouping
 415                 this.controller.trackFilterGroupings( 'filtermenu' );
 416
 417                 this.blur();
 418         }
 419
 420         if ( this.isMobile ) {
 421                 this.input.setIcon( isVisible ? 'close' : 'funnel' );
 422         } else {
 423                 this.input.setIcon( isVisible ? 'search' : 'menu' );
 424         }
 425 };
 426
 427 /**
 428  * @inheritdoc
 429  */
 430 FilterTagMultiselectWidget.prototype.onInputFocus = function () {
 431         var scrollToElement = this.isMobile ? this.input.$input : this.$element;
 432
 433         // treat the input as a menu toggle rather than a text field on mobile
 434         if ( this.isMobile ) {
 435                 this.input.$input.trigger( 'blur' );
 436                 this.getMenu().toggle();
 437         } else {
 438                 // Parent
 439                 FilterTagMultiselectWidget.parent.prototype.onInputFocus.call( this );
 440         }
 441
 442         // Only scroll to top of the viewport if:
 443         // - The widget is more than 20px from the top
 444         // - The widget is not above the top of the viewport (do not scroll downwards)
 445         //   (This isn't represented because >20 is, anyways and always, bigger than 0)
 446         this.scrollToTop( scrollToElement, 0, { min: 20, max: Infinity } );
 447 };
 448
 449 /**
 450  * @inheritdoc
 451  */
 452 FilterTagMultiselectWidget.prototype.doInputEscape = function () {
 453         // Parent
 454         FilterTagMultiselectWidget.parent.prototype.doInputEscape.call( this );
 455
 456         // Blur the input
 457         this.input.$input.trigger( 'blur' );
 458 };
 459
 460 /**
 461  * @inheritdoc
 462  */
 463 FilterTagMultiselectWidget.prototype.onMouseDown = function ( e ) {
 464         if ( !this.collapsed && !this.isDisabled() && e.which === OO.ui.MouseButtons.LEFT ) {
 465                 this.menu.toggle();
 466
 467                 return false;
 468         }
 469 };
 470
 471 /**
 472  * @inheritdoc
 473  */
 474 FilterTagMultiselectWidget.prototype.onChangeTags = function () {
 475         // If initialized, call parent method.
 476         if ( this.controller.isInitialized() ) {
 477                 FilterTagMultiselectWidget.parent.prototype.onChangeTags.call( this );
 478         }
 479
 480         this.emptyFilterMessage.toggle( this.isEmpty() );
 481 };
 482
 483 /**
 484  * Respond to model initialize event
 485  */
 486 FilterTagMultiselectWidget.prototype.onModelInitialize = function () {
 487         this.setSavedQueryVisibility();
 488 };
 489
 490 /**
 491  * Respond to model update event
 492  */
 493 FilterTagMultiselectWidget.prototype.onModelUpdate = function () {
 494         this.updateElementsForView();
 495 };
 496
 497 /**
 498  * Update the elements in the widget to the current view
 499  */
 500 FilterTagMultiselectWidget.prototype.updateElementsForView = function () {
 501         var view = this.model.getCurrentView(),
 502                 inputValue = this.input.getValue().trim(),
 503                 inputView = this.model.getViewByTrigger( inputValue.substr( 0, 1 ) );
 504
 505         if ( inputView !== 'default' ) {
 506                 // We have a prefix already, remove it
 507                 inputValue = inputValue.substr( 1 );
 508         }
 509
 510         if ( inputView !== view ) {
 511                 // Add the correct prefix
 512                 inputValue = this.model.getViewTrigger( view ) + inputValue;
 513         }
 514
 515         // Update input
 516         this.input.setValue( inputValue );
 517
 518         if ( this.currentView !== view ) {
 519                 this.scrollToTop( this.$element );
 520                 this.currentView = view;
 521         }
 522 };
 523
 524 /**
 525  * Set the visibility of the saved query button
 526  */
 527 FilterTagMultiselectWidget.prototype.setSavedQueryVisibility = function () {
 528         if ( mw.user.isAnon() ) {
 529                 return;
 530         }
 531
 532         this.matchingQuery = this.controller.findQueryMatchingCurrentState();
 533
 534         this.savedQueryTitle.setLabel(
 535                 this.matchingQuery ? this.matchingQuery.getLabel() : ''
 536         );
 537         this.savedQueryTitle.toggle( !!this.matchingQuery );
 538         this.saveQueryButton.setDisabled( !!this.matchingQuery );
 539         this.saveQueryButton.setTitle( !this.matchingQuery ?
 540                 mw.msg( 'rcfilters-savedqueries-add-new-title' ) :
 541                 mw.msg( 'rcfilters-savedqueries-already-saved' ) );
 542
 543         if ( this.matchingQuery ) {
 544                 this.emphasize();
 545         }
 546 };
 547
 548 /**
 549  * Respond to model itemUpdate event
 550  * fixme: when a new state is applied to the model this function is called 60+ times in a row
 551  *
 552  * @param {mw.rcfilters.dm.FilterItem} item Filter item model
 553  */
 554 FilterTagMultiselectWidget.prototype.onModelItemUpdate = function ( item ) {
 555         if ( !item.getGroupModel().isHidden() ) {
 556                 if (
 557                         item.isSelected() ||
 558                         (
 559                                 this.model.isHighlightEnabled() &&
 560                                 item.getHighlightColor()
 561                         )
 562                 ) {
 563                         this.addTag( item.getName(), item.getLabel() );
 564                 } else {
 565                         // Only attempt to remove the tag if we can find an item for it (T198140, T198231)
 566                         if ( this.findItemFromData( item.getName() ) !== null ) {
 567                                 this.removeTagByData( item.getName() );
 568                         }
 569                 }
 570         }
 571
 572         this.setSavedQueryVisibility();
 573
 574         // Re-evaluate reset state
 575         this.reevaluateResetRestoreState();
 576 };
 577
 578 /**
 579  * @inheritdoc
 580  */
 581 FilterTagMultiselectWidget.prototype.isAllowedData = function ( data ) {
 582         return (
 583                 this.model.getItemByName( data ) &&
 584                 !this.isDuplicateData( data )
 585         );
 586 };
 587
 588 /**
 589  * @inheritdoc
 590  */
 591 FilterTagMultiselectWidget.prototype.onMenuChoose = function ( item ) {
 592         this.controller.toggleFilterSelect( item.model.getName() );
 593
 594         // Select the tag if it exists, or reset selection otherwise
 595         this.selectTag( this.findItemFromData( item.model.getName() ) );
 596
 597         if ( !this.isMobile ) {
 598                 this.focus();
 599         }
 600
 601 };
 602
 603 /**
 604  * Respond to highlightChange event
 605  *
 606  * @param {boolean} isHighlightEnabled Highlight is enabled
 607  */
 608 FilterTagMultiselectWidget.prototype.onModelHighlightChange = function ( isHighlightEnabled ) {
 609         var highlightedItems = this.model.getHighlightedItems();
 610
 611         if ( isHighlightEnabled ) {
 612                 // Add capsule widgets
 613                 highlightedItems.forEach( function ( filterItem ) {
 614                         this.addTag( filterItem.getName(), filterItem.getLabel() );
 615                 }.bind( this ) );
 616         } else {
 617                 // Remove capsule widgets if they're not selected
 618                 highlightedItems.forEach( function ( filterItem ) {
 619                         if ( !filterItem.isSelected() ) {
 620                                 // Only attempt to remove the tag if we can find an item for it (T198140, T198231)
 621                                 if ( this.findItemFromData( filterItem.getName() ) !== null ) {
 622                                         this.removeTagByData( filterItem.getName() );
 623                                 }
 624                         }
 625                 }.bind( this ) );
 626         }
 627
 628         this.setSavedQueryVisibility();
 629 };
 630
 631 /**
 632  * @inheritdoc
 633  */
 634 FilterTagMultiselectWidget.prototype.onTagSelect = function ( tagItem ) {
 635         var menuOption = this.menu.getItemFromModel( tagItem.getModel() );
 636
 637         this.menu.setUserSelecting( true );
 638         // Parent method
 639         FilterTagMultiselectWidget.parent.prototype.onTagSelect.call( this, tagItem );
 640
 641         // Switch view
 642         this.controller.resetSearchForView( tagItem.getView() );
 643
 644         this.selectTag( tagItem );
 645         this.scrollToTop( menuOption.$element );
 646
 647         this.menu.setUserSelecting( false );
 648 };
 649
 650 /**
 651  * Select a tag by reference. This is what OO.ui.SelectWidget is doing.
 652  * If no items are given, reset selection from all.
 653  *
 654  * @param {mw.rcfilters.ui.FilterTagItemWidget} [item] Tag to select,
 655  *  omit to deselect all
 656  */
 657 FilterTagMultiselectWidget.prototype.selectTag = function ( item ) {
 658         var i, len, selected;
 659
 660         for ( i = 0, len = this.items.length; i < len; i++ ) {
 661                 selected = this.items[ i ] === item;
 662                 if ( this.items[ i ].isSelected() !== selected ) {
 663                         this.items[ i ].toggleSelected( selected );
 664                 }
 665         }
 666 };
 667 /**
 668  * @inheritdoc
 669  */
 670 FilterTagMultiselectWidget.prototype.onTagRemove = function ( tagItem ) {
 671         // Parent method
 672         FilterTagMultiselectWidget.parent.prototype.onTagRemove.call( this, tagItem );
 673
 674         this.controller.clearFilter( tagItem.getName() );
 675
 676         tagItem.destroy();
 677 };
 678
 679 /**
 680  * Respond to click event on the reset button
 681  */
 682 FilterTagMultiselectWidget.prototype.onResetButtonClick = function () {
 683         if ( this.model.areVisibleFiltersEmpty() ) {
 684                 // Reset to default filters
 685                 this.controller.resetToDefaults();
 686         } else {
 687                 // Reset to have no filters
 688                 this.controller.emptyFilters();
 689         }
 690 };
 691
 692 /**
 693  * Respond to hide/show button click
 694  */
 695 FilterTagMultiselectWidget.prototype.onHideShowButtonClick = function () {
 696         this.toggleCollapsed();
 697 };
 698
 699 /**
 700  * Toggle the collapsed state of the filters widget
 701  *
 702  * @param {boolean} isCollapsed Widget is collapsed
 703  */
 704 FilterTagMultiselectWidget.prototype.toggleCollapsed = function ( isCollapsed ) {
 705         isCollapsed = isCollapsed === undefined ? !this.collapsed : !!isCollapsed;
 706
 707         this.collapsed = isCollapsed;
 708
 709         if ( isCollapsed ) {
 710                 // If we are collapsing, close the menu, in case it was open
 711                 // We should make sure the menu closes before the rest of the elements
 712                 // are hidden, otherwise there is an unknown error in jQuery as ooui
 713                 // sets and unsets properties on the input (which is hidden at that point)
 714                 this.menu.toggle( false );
 715         }
 716         this.input.setDisabled( isCollapsed );
 717         this.hideShowButton.setLabel( mw.msg(
 718                 isCollapsed ? 'rcfilters-activefilters-show' : 'rcfilters-activefilters-hide'
 719         ) );
 720         this.hideShowButton.setTitle( mw.msg(
 721                 isCollapsed ? 'rcfilters-activefilters-show-tooltip' : 'rcfilters-activefilters-hide-tooltip'
 722         ) );
 723
 724         // Toggle the wrapper class, so we have min height values correctly throughout
 725         this.$wrapper.toggleClass( 'mw-rcfilters-collapsed', isCollapsed );
 726
 727         // Save the state
 728         this.controller.updateCollapsedState( isCollapsed );
 729 };
 730
 731 /**
 732  * Reevaluate the restore state for the widget between setting to defaults and clearing all filters
 733  */
 734 FilterTagMultiselectWidget.prototype.reevaluateResetRestoreState = function () {
 735         var defaultsAreEmpty = this.controller.areDefaultsEmpty(),
 736                 currFiltersAreEmpty = this.model.areVisibleFiltersEmpty(),
 737                 hideResetButton = currFiltersAreEmpty && defaultsAreEmpty;
 738
 739         this.resetButton.setIcon(
 740                 currFiltersAreEmpty ? 'history' : 'trash'
 741         );
 742
 743         this.resetButton.setLabel(
 744                 currFiltersAreEmpty ? mw.msg( 'rcfilters-restore-default-filters' ) : ''
 745         );
 746         this.resetButton.setTitle(
 747                 currFiltersAreEmpty ? null : mw.msg( 'rcfilters-clear-all-filters' )
 748         );
 749
 750         this.resetButton.toggle( !hideResetButton );
 751         this.emptyFilterMessage.toggle( currFiltersAreEmpty );
 752 };
 753
 754 /**
 755  * @inheritdoc
 756  */
 757 FilterTagMultiselectWidget.prototype.createMenuWidget = function ( menuConfig ) {
 758         return new MenuSelectWidget(
 759                 this.controller,
 760                 this.model,
 761                 menuConfig
 762         );
 763 };
 764
 765 /**
 766  * @inheritdoc
 767  */
 768 FilterTagMultiselectWidget.prototype.createTagItemWidget = function ( data ) {
 769         var filterItem = this.model.getItemByName( data );
 770
 771         if ( filterItem ) {
 772                 return new FilterTagItemWidget(
 773                         this.controller,
 774                         this.model,
 775                         this.model.getInvertModel(),
 776                         filterItem,
 777                         {
 778                                 $overlay: this.$overlay
 779                         }
 780                 );
 781         }
 782 };
 783
 784 FilterTagMultiselectWidget.prototype.emphasize = function () {
 785         if (
 786                 // eslint-disable-next-line no-jquery/no-class-state
 787                 !this.$handle.hasClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-animate' )
 788         ) {
 789                 this.$handle
 790                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-emphasize' )
 791                         .addClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-animate' );
 792
 793                 setTimeout( function () {
 794                         this.$handle
 795                                 .removeClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-emphasize' );
 796
 797                         setTimeout( function () {
 798                                 this.$handle
 799                                         .removeClass( 'mw-rcfilters-ui-filterTagMultiselectWidget-animate' );
 800                         }.bind( this ), 1000 );
 801                 }.bind( this ), 500 );
 802
 803         }
 804 };
 805 /**
 806  * Scroll the element to top within its container
 807  *
 808  * @private
 809  * @param {jQuery} $element Element to position
 810  * @param {number} [marginFromTop=0] When scrolling the entire widget to the top, leave this
 811  *  much space (in pixels) above the widget.
 812  * @param {Object} [threshold] Minimum distance from the top of the element to scroll at all
 813  * @param {number} [threshold.min] Minimum distance above the element
 814  * @param {number} [threshold.max] Minimum distance below the element
 815  */
 816 FilterTagMultiselectWidget.prototype.scrollToTop = function ( $element, marginFromTop, threshold ) {
 817         var container = OO.ui.Element.static.getClosestScrollableContainer( $element[ 0 ], 'y' ),
 818                 pos = OO.ui.Element.static.getRelativePosition( $element, $( container ) ),
 819                 containerScrollTop = $( container ).scrollTop(),
 820                 effectiveScrollTop = $( container ).is( 'body, html' ) ? 0 : containerScrollTop,
 821                 newScrollTop = effectiveScrollTop + pos.top - ( marginFromTop || 0 );
 822
 823         // Scroll to item
 824         if (
 825                 threshold === undefined ||
 826                 (
 827                         (
 828                                 threshold.min === undefined ||
 829                                 newScrollTop - containerScrollTop >= threshold.min
 830                         ) &&
 831                         (
 832                                 threshold.max === undefined ||
 833                                 newScrollTop - containerScrollTop <= threshold.max
 834                         )
 835                 )
 836         ) {
 837                 $( container ).animate( {
 838                         scrollTop: newScrollTop
 839                 } );
 840         }
 841 };
 842
 843 module.exports = FilterTagMultiselectWidget;