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mw.widgets.NamespacesMultiselectWidget.js
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mw.widgets.NamespacesMultiselectWidget.js
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/*!
* MediaWiki Widgets - NamespacesMultiselectWidget class.
*
* @copyright 2011-2015 MediaWiki Widgets Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
( function () {
/**
* @classdesc Namespaces multiselect widget.
*
* TODO: A lot of this is duplicated in mw.widgets.UsersMultiselectWidget
* and mw.widgets.TitlesMultiselectWidget. These classes should be
* refactored.
*
* @class
* @extends OO.ui.MenuTagMultiselectWidget
*
* @constructor
* @description Create an mw.widgets.NamespacesMultiselectWidget object.
* @param {Object} [config] Configuration options
*/
mw.widgets.NamespacesMultiselectWidget = function MwWidgetsNamespacesMultiselectWidget( config ) {
const namespaces = {},
options = mw.widgets.NamespaceInputWidget.static.getNamespaceDropdownOptions( {} );
for ( let i = 0, ilen = options.length; i < ilen; i++ ) {
const option = options[ i ];
namespaces[ option.data ] = option.label;
}
config = $.extend( true, {
options: mw.widgets.NamespaceInputWidget.static.getNamespaceDropdownOptions( {} )
}, config );
// Parent constructor
mw.widgets.NamespacesMultiselectWidget.super.call( this, $.extend( true,
{
menu: {
filterMode: 'substring'
}
},
config,
{
selected: config && config.selected ? config.selected.map( ( id ) => ( {
data: id,
label: namespaces[ id ]
} ) ) : undefined
}
) );
// Initialization
this.$element
.addClass( 'mw-widgets-namespacesMultiselectWidget' );
if ( 'name' in config ) {
// Use this instead of <input type="hidden">, because hidden inputs do not have separate
// 'value' and 'defaultValue' properties. The script on Special:Preferences
// (mw.special.preferences.confirmClose) checks this property to see if a field was changed.
this.$hiddenInput = $( '<textarea>' )
.addClass( 'oo-ui-element-hidden' )
.attr( 'name', config.name )
.appendTo( this.$element );
// Update with preset values
// Set the default value (it might be different from just being empty)
this.$hiddenInput.prop( 'defaultValue', this.getItems().map( ( item ) => item.getData() ).join( '\n' ) );
this.on( 'change', ( items ) => {
this.$hiddenInput.val( items.map( ( item ) => item.getData() ).join( '\n' ) );
// Trigger a 'change' event as if a user edited the text
// (it is not triggered when changing the value from JS code).
this.$hiddenInput.trigger( 'change' );
} );
}
};
/* Setup */
OO.inheritClass( mw.widgets.NamespacesMultiselectWidget, OO.ui.MenuTagMultiselectWidget );
OO.mixinClass( mw.widgets.NamespacesMultiselectWidget, OO.ui.mixin.PendingElement );
/* Methods */
/**
* @inheritdoc
*/
mw.widgets.NamespacesMultiselectWidget.prototype.createMenuOptionWidget = function ( data, label, icon ) {
return new mw.widgets.NamespacesMenuOptionWidget( {
data: data,
label: label || data,
icon: icon
} );
};
}() );

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