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

   1 ( function ( mw ) {
   2         /**
   3          * Widget defining the button controlling the popup for the number of results
   4          *
   5          * @extends OO.ui.Widget
   6          *
   7          * @constructor
   8          * @param {mw.rcfilters.Controller} controller Controller
   9          * @param {mw.rcfilters.dm.FiltersViewModel} model View model
  10          * @param {Object} [config] Configuration object
  11          * @cfg {jQuery} [$overlay] A jQuery object serving as overlay for popups
  12          */
  13         mw.rcfilters.ui.ChangesLimitButtonWidget = function MwRcfiltersUiChangesLimitWidget( controller, model, config ) {
  14                 config = config || {};
  15
  16                 // Parent
  17                 mw.rcfilters.ui.ChangesLimitButtonWidget.parent.call( this, config );
  18
  19                 this.controller = controller;
  20                 this.model = model;
  21
  22                 this.$overlay = config.$overlay || this.$element;
  23
  24                 this.button = null;
  25                 this.limitGroupModel = null;
  26
  27                 this.model.connect( this, {
  28                         initialize: 'onModelInitialize'
  29                 } );
  30
  31                 this.$element
  32                         .addClass( 'mw-rcfilters-ui-changesLimitButtonWidget' );
  33         };
  34
  35         /* Initialization */
  36
  37         OO.inheritClass( mw.rcfilters.ui.ChangesLimitButtonWidget, OO.ui.Widget );
  38
  39         /**
  40          * Respond to model initialize event
  41          */
  42         mw.rcfilters.ui.ChangesLimitButtonWidget.prototype.onModelInitialize = function () {
  43                 var changesLimitPopupWidget, selectedItem, currentValue;
  44
  45                 this.limitGroupModel = this.model.getGroup( 'limit' );
  46
  47                 // HACK: We need the model to be ready before we populate the button
  48                 // and the widget, because we require the filter items for the
  49                 // limit and their events. This addition is only done after the
  50                 // model is initialized.
  51                 // Note: This will be fixed soon!
  52                 if ( this.limitGroupModel ) {
  53                         changesLimitPopupWidget = new mw.rcfilters.ui.ChangesLimitPopupWidget(
  54                                 this.limitGroupModel
  55                         );
  56
  57                         selectedItem = this.limitGroupModel.getSelectedItems()[ 0 ];
  58                         currentValue = ( selectedItem && selectedItem.getLabel() ) ||
  59                                 mw.language.convertNumber( this.limitGroupModel.getDefaultParamValue() );
  60
  61                         this.button = new OO.ui.PopupButtonWidget( {
  62                                 indicator: 'down',
  63                                 label: mw.msg( 'rcfilters-limit-shownum', currentValue ),
  64                                 $overlay: this.$overlay,
  65                                 popup: {
  66                                         width: 300,
  67                                         padded: true,
  68                                         anchor: false,
  69                                         align: 'backwards',
  70                                         $autoCloseIgnore: this.$overlay,
  71                                         $content: changesLimitPopupWidget.$element
  72                                 }
  73                         } );
  74
  75                         // Events
  76                         this.limitGroupModel.connect( this, { update: 'onLimitGroupModelUpdate' } );
  77                         changesLimitPopupWidget.connect( this, { limit: 'onPopupLimit' } );
  78
  79                         this.$element.append( this.button.$element );
  80                 }
  81         };
  82
  83         /**
  84          * Respond to popup limit change event
  85          *
  86          * @param {string} filterName Chosen filter name
  87          */
  88         mw.rcfilters.ui.ChangesLimitButtonWidget.prototype.onPopupLimit = function ( filterName ) {
  89                 this.controller.toggleFilterSelect( filterName, true );
  90         };
  91
  92         /**
  93          * Respond to limit choose event
  94          *
  95          * @param {string} filterName Filter name
  96          */
  97         mw.rcfilters.ui.ChangesLimitButtonWidget.prototype.onLimitGroupModelUpdate = function () {
  98                 var item = this.limitGroupModel.getSelectedItems()[ 0 ],
  99                         label = item && item.getLabel();
 100
 101                 // Update the label
 102                 if ( label ) {
 103                         this.button.setLabel( mw.msg( 'rcfilters-limit-shownum', label ) );
 104                 }
 105         };
 106
 107 }( mediaWiki ) );