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https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
/**
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* Mixin for adding descriptive ARIA support to elements.
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*
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* @class
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* @abstract
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*
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* @constructor
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* @param {Object} [config] Configuration options
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* @cfg {jQuery} [$ariaDescribedBy]
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* @cfg {string} [ariaLabel]
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* @cfg {jQuery} [$describedElement]
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*/
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ve.ui.MWAriaDescribe = function VeUiMWAriaDescribe( config ) {
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this.$describedElement = config.$describedElement || this.$element;
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if ( config.$ariaDescribedBy ) {
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this.setAriaDescribedBy( config.$ariaDescribedBy );
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}
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if ( config.ariaLabel ) {
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this.setAriaLabel( config.ariaLabel );
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}
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};
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/* Setup */
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OO.initClass( ve.ui.MWAriaDescribe );
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/**
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* @param {jQuery} [$description]
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* @chainable
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* @return {OO.ui.Element} The element, for chaining
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*/
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ve.ui.MWAriaDescribe.prototype.setAriaDescribedBy = function ( $description ) {
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if ( !$description ) {
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this.$describedElement.removeAttr( 'aria-describedby' );
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return this;
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}
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if ( !$description.attr( 'id' ) ) {
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$description.attr( 'id', OO.ui.generateElementId() );
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}
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this.$describedElement.attr( 'aria-describedby', $description.attr( 'id' ) );
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return this;
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};
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/**
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* @param {string} label
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* @chainable
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* @return {OO.ui.Element} The element, for chaining
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*/
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ve.ui.MWAriaDescribe.prototype.setAriaLabel = function ( label ) {
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this.$describedElement.attr( 'aria-label', label );
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return this;
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};
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