mediawiki-extensions-Visual.../modules/ve-mw/ui/widgets/ve.ui.MWTransclusionOutlineButtonWidget.js

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/**
* Generic button-like widget for top-level parts in the template dialog
* sidebar. See {@see OO.ui.ButtonWidget} for inspiration.
*
* @class
* @extends OO.ui.OptionWidget
*
* @constructor
* @param {Object} config
* @cfg {string} [icon=''] Symbolic name of an icon, e.g. "puzzle" or "wikiText"
* @cfg {string} label
*/
ve.ui.MWTransclusionOutlineButtonWidget = function VeUiMWTransclusionOutlineButtonWidget( config ) {
// Parent constructor
ve.ui.MWTransclusionOutlineButtonWidget.super.call( this, ve.extendObject( config, {
classes: [ 've-ui-mwTransclusionOutlineButtonWidget' ]
} ) );
// Mixin constructors
OO.ui.mixin.ButtonElement.call( this, {
// FIXME semantically this could be a <legend> and the surrounding OutlinePartWidget a <fieldset>
$button: $( '<span>' ),
framed: false
} );
OO.ui.mixin.IconElement.call( this, config );
OO.ui.mixin.TabIndexedElement.call( this, ve.extendObject( {
$tabIndexed: this.$button
}, config ) );
ve.ui.MWAriaDescribe.call( this, {
ariaLabel: config.label,
$describedElement: this.$button
} );
// FIXME hack for screen readers to understand the selection state
this.$button.attr( {
role: 'gridcell',
'aria-selected': 'false'
} );
this.$element
.append( this.$button.append( this.$icon, this.$label ) );
};
/* Inheritance */
OO.inheritClass( ve.ui.MWTransclusionOutlineButtonWidget, OO.ui.OptionWidget );
OO.mixinClass( ve.ui.MWTransclusionOutlineButtonWidget, OO.ui.mixin.ButtonElement );
OO.mixinClass( ve.ui.MWTransclusionOutlineButtonWidget, OO.ui.mixin.IconElement );
OO.mixinClass( ve.ui.MWTransclusionOutlineButtonWidget, OO.ui.mixin.TabIndexedElement );
OO.mixinClass( ve.ui.MWTransclusionOutlineButtonWidget, ve.ui.MWAriaDescribe );
ve.ui.MWTransclusionOutlineButtonWidget.static.highlightable = false;
ve.ui.MWTransclusionOutlineButtonWidget.static.pressable = false;
/* Events */
/**
* @event keyPressed
* @param {number} key Typically one of the {@see OO.ui.Keys} constants
*/
/**
* @inheritDoc OO.ui.mixin.ButtonElement
* @param {jQuery.Event} e
* @fires keyPressed
*/
ve.ui.MWTransclusionOutlineButtonWidget.prototype.onKeyDown = function ( e ) {
var isMac = ve.getSystemPlatform() === 'mac';
var withMetaKey = isMac ? e.metaKey : e.ctrlKey;
if ( e.which === OO.ui.Keys.SPACE &&
!withMetaKey && !e.shiftKey && !e.altKey
) {
// We know we can only select another part, so don't even try to unselect this one
if ( !this.isSelected() ) {
this.emit( 'keyPressed', e.which );
}
// The default behavior of pressing space is to scroll down
e.preventDefault();
return;
}
return OO.ui.mixin.ButtonElement.prototype.onKeyDown.call( this, e );
};
/**
* @inheritDoc
*/
ve.ui.MWTransclusionOutlineButtonWidget.prototype.setSelected = function ( state ) {
if ( this.$button ) {
this.$button.attr( 'aria-selected', state.toString() );
}
return ve.ui.MWTransclusionOutlineButtonWidget.super.prototype.setSelected.call( this, state );
};