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

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