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

   1 ( function ( mw, $ ) {
   2         /**
   3          * Extend OOUI's CapsuleItemWidget to also display a popup on hover.
   4          *
   5          * @class
   6          * @extends OO.ui.CapsuleItemWidget
   7          * @mixins OO.ui.mixin.PopupElement
   8          *
   9          * @constructor
  10          * @param {mw.rcfilters.Controller} controller
  11          * @param {mw.rcfilters.dm.FilterItem} model Item model
  12          * @param {Object} config Configuration object
  13          * @cfg {jQuery} [$overlay] A jQuery object serving as overlay for popups
  14          */
  15         mw.rcfilters.ui.CapsuleItemWidget = function MwRcfiltersUiCapsuleItemWidget( controller, model, config ) {
  16                 var $popupContent = $( '<div>' )
  17                                 .addClass( 'mw-rcfilters-ui-capsuleItemWidget-popup-content' ),
  18                         descLabelWidget = new OO.ui.LabelWidget();
  19
  20                 // Configuration initialization
  21                 config = config || {};
  22
  23                 this.controller = controller;
  24                 this.model = model;
  25                 this.$overlay = config.$overlay || this.$element;
  26                 this.positioned = false;
  27                 this.popupTimeoutShow = null;
  28                 this.popupTimeoutHide = null;
  29
  30                 // Parent constructor
  31                 mw.rcfilters.ui.CapsuleItemWidget.parent.call( this, $.extend( {
  32                         data: this.model.getName(),
  33                         label: this.model.getLabel()
  34                 }, config ) );
  35
  36                 // Mixin constructors
  37                 OO.ui.mixin.PopupElement.call( this, $.extend( {
  38                         popup: {
  39                                 padded: false,
  40                                 align: 'center',
  41                                 $content: $popupContent
  42                                         .append( descLabelWidget.$element ),
  43                                 $floatableContainer: this.$element,
  44                                 classes: [ 'mw-rcfilters-ui-capsuleItemWidget-popup' ]
  45                         }
  46                 }, config ) );
  47
  48                 // Set initial text for the popup - the description
  49                 descLabelWidget.setLabel( this.model.getDescription() );
  50
  51                 this.$highlight = $( '<div>' )
  52                         .addClass( 'mw-rcfilters-ui-capsuleItemWidget-highlight' );
  53
  54                 // Events
  55                 this.model.connect( this, { update: 'onModelUpdate' } );
  56
  57                 this.closeButton.$element.on( 'mousedown', this.onCloseButtonMouseDown.bind( this ) );
  58
  59                 // Initialization
  60                 this.$overlay.append( this.popup.$element );
  61                 this.$element
  62                         .prepend( this.$highlight )
  63                         .attr( 'aria-haspopup', 'true' )
  64                         .addClass( 'mw-rcfilters-ui-capsuleItemWidget' )
  65                         .on( 'mouseenter', this.onMouseEnter.bind( this ) )
  66                         .on( 'mouseleave', this.onMouseLeave.bind( this ) );
  67
  68                 this.setCurrentMuteState();
  69                 this.setHighlightColor();
  70         };
  71
  72         OO.inheritClass( mw.rcfilters.ui.CapsuleItemWidget, OO.ui.CapsuleItemWidget );
  73         OO.mixinClass( mw.rcfilters.ui.CapsuleItemWidget, OO.ui.mixin.PopupElement );
  74
  75         /**
  76          * Respond to model update event
  77          */
  78         mw.rcfilters.ui.CapsuleItemWidget.prototype.onModelUpdate = function () {
  79                 this.setCurrentMuteState();
  80
  81                 this.setHighlightColor();
  82         };
  83
  84         /**
  85          * Override mousedown event to prevent its propagation to the parent,
  86          * since the parent (the multiselect widget) focuses the popup when its
  87          * mousedown event is fired.
  88          *
  89          * @param {jQuery.Event} e Event
  90          */
  91         mw.rcfilters.ui.CapsuleItemWidget.prototype.onCloseButtonMouseDown = function ( e ) {
  92                 e.stopPropagation();
  93         };
  94
  95         /**
  96          * Override the event listening to the item close button click
  97          */
  98         mw.rcfilters.ui.CapsuleItemWidget.prototype.onCloseClick = function () {
  99                 var element = this.getElementGroup();
 100
 101                 if ( element && $.isFunction( element.removeItems ) ) {
 102                         element.removeItems( [ this ] );
 103                 }
 104
 105                 // Respond to user removing the filter
 106                 this.controller.updateFilter( this.model.getName(), false );
 107                 this.controller.clearHighlightColor( this.model.getName() );
 108         };
 109
 110         mw.rcfilters.ui.CapsuleItemWidget.prototype.setHighlightColor = function () {
 111                 var selectedColor = this.model.isHighlightEnabled() ? this.model.getHighlightColor() : null;
 112
 113                 this.$highlight
 114                         .attr( 'data-color', selectedColor )
 115                         .toggleClass(
 116                                 'mw-rcfilters-ui-capsuleItemWidget-highlight-highlighted',
 117                                 !!selectedColor
 118                         );
 119         };
 120
 121         /**
 122          * Set the current mute state for this item
 123          */
 124         mw.rcfilters.ui.CapsuleItemWidget.prototype.setCurrentMuteState = function () {
 125                 this.$element
 126                         .toggleClass(
 127                                 'mw-rcfilters-ui-capsuleItemWidget-muted',
 128                                 !this.model.isSelected() ||
 129                                 this.model.isIncluded() ||
 130                                 this.model.isConflicted() ||
 131                                 this.model.isFullyCovered()
 132                         );
 133         };
 134
 135         /**
 136          * Respond to mouse enter event
 137          */
 138         mw.rcfilters.ui.CapsuleItemWidget.prototype.onMouseEnter = function () {
 139                 if ( this.model.getDescription() ) {
 140                         if ( !this.positioned ) {
 141                                 // Recalculate position to be center of the capsule item
 142                                 this.popup.$element.css( 'margin-left', ( this.$element.width() / 2 ) );
 143                                 this.positioned = true;
 144                         }
 145
 146                         // Set timeout for the popup to show
 147                         this.popupTimeoutShow = setTimeout( function () {
 148                                 this.popup.toggle( true );
 149                         }.bind( this ), 500 );
 150
 151                         // Cancel the hide timeout
 152                         clearTimeout( this.popupTimeoutHide );
 153                         this.popupTimeoutHide = null;
 154                 }
 155         };
 156
 157         /**
 158          * Respond to mouse leave event
 159          */
 160         mw.rcfilters.ui.CapsuleItemWidget.prototype.onMouseLeave = function () {
 161                 this.popupTimeoutHide = setTimeout( function () {
 162                         this.popup.toggle( false );
 163                 }.bind( this ), 250 );
 164
 165                 // Clear the show timeout
 166                 clearTimeout( this.popupTimeoutShow );
 167                 this.popupTimeoutShow = null;
 168         };
 169
 170         /**
 171          * Remove and destroy external elements of this widget
 172          */
 173         mw.rcfilters.ui.CapsuleItemWidget.prototype.destroy = function () {
 174                 // Destroy the popup
 175                 this.popup.$element.detach();
 176
 177                 // Disconnect events
 178                 this.model.disconnect( this );
 179                 this.closeButton.disconnect( this );
 180         };
 181 }( mediaWiki, jQuery ) );