resources/src/mediawiki.widgets/mw.widgets.UserInputWidget.js

   1 /*!
   2  * MediaWiki Widgets - UserInputWidget class.
   3  *
   4  * @copyright 2011-2015 MediaWiki Widgets Team and others; see AUTHORS.txt
   5  * @license The MIT License (MIT); see LICENSE.txt
   6  */
   7 ( function () {
   8
   9         /**
  10          * Creates a mw.widgets.UserInputWidget object.
  11          *
  12          * @class
  13          * @extends OO.ui.TextInputWidget
  14          * @mixins OO.ui.mixin.LookupElement
  15          *
  16          * @constructor
  17          * @param {Object} [config] Configuration options
  18          * @cfg {number} [limit=10] Number of results to show
  19          */
  20         mw.widgets.UserInputWidget = function MwWidgetsUserInputWidget( config ) {
  21                 // Config initialization
  22                 config = config || {};
  23
  24                 // Parent constructor
  25                 mw.widgets.UserInputWidget.parent.call( this, $.extend( {}, config, { autocomplete: false } ) );
  26
  27                 // Mixin constructors
  28                 OO.ui.mixin.LookupElement.call( this, config );
  29
  30                 // Properties
  31                 this.limit = config.limit || 10;
  32
  33                 // Initialization
  34                 this.$element.addClass( 'mw-widget-userInputWidget' );
  35                 this.lookupMenu.$element.addClass( 'mw-widget-userInputWidget-menu' );
  36         };
  37
  38         /* Setup */
  39
  40         OO.inheritClass( mw.widgets.UserInputWidget, OO.ui.TextInputWidget );
  41         OO.mixinClass( mw.widgets.UserInputWidget, OO.ui.mixin.LookupElement );
  42
  43         /* Methods */
  44
  45         /**
  46          * @inheritdoc
  47          */
  48         mw.widgets.UserInputWidget.prototype.onLookupMenuItemChoose = function ( item ) {
  49                 this.closeLookupMenu();
  50                 this.setLookupsDisabled( true );
  51                 this.setValue( item.getData() );
  52                 this.setLookupsDisabled( false );
  53         };
  54
  55         /**
  56          * @inheritdoc
  57          */
  58         mw.widgets.UserInputWidget.prototype.focus = function () {
  59                 var retval;
  60
  61                 // Prevent programmatic focus from opening the menu
  62                 this.setLookupsDisabled( true );
  63
  64                 // Parent method
  65                 retval = mw.widgets.UserInputWidget.parent.prototype.focus.apply( this, arguments );
  66
  67                 this.setLookupsDisabled( false );
  68
  69                 return retval;
  70         };
  71
  72         /**
  73          * @inheritdoc
  74          */
  75         mw.widgets.UserInputWidget.prototype.getLookupRequest = function () {
  76                 var inputValue = this.value;
  77
  78                 return new mw.Api().get( {
  79                         action: 'query',
  80                         list: 'allusers',
  81                         // Prefix of list=allusers is case sensitive. Normalise first
  82                         // character to uppercase so that "fo" may yield "Foo".
  83                         auprefix: inputValue[ 0 ].toUpperCase() + inputValue.slice( 1 ),
  84                         aulimit: this.limit
  85                 } );
  86         };
  87
  88         /**
  89          * Get lookup cache item from server response data.
  90          *
  91          * @method
  92          * @param {Mixed} response Response from server
  93          * @return {Object}
  94          */
  95         mw.widgets.UserInputWidget.prototype.getLookupCacheDataFromResponse = function ( response ) {
  96                 return response.query.allusers || {};
  97         };
  98
  99         /**
 100          * Get list of menu items from a server response.
 101          *
 102          * @param {Object} data Query result
 103          * @return {OO.ui.MenuOptionWidget[]} Menu items
 104          */
 105         mw.widgets.UserInputWidget.prototype.getLookupMenuOptionsFromData = function ( data ) {
 106                 var len, i, user,
 107                         items = [];
 108
 109                 for ( i = 0, len = data.length; i < len; i++ ) {
 110                         user = data[ i ] || {};
 111                         items.push( new OO.ui.MenuOptionWidget( {
 112                                 label: user.name,
 113                                 data: user.name
 114                         } ) );
 115                 }
 116
 117                 return items;
 118         };
 119
 120 }() );