56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
/**
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* @file
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* A Backbone View that renders the visual view of a contextual region element.
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*/
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(function (Drupal, Backbone, Modernizr) {
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Drupal.contextual.RegionView = Backbone.View.extend(
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/** @lends Drupal.contextual.RegionView# */ {
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/**
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* Events for the Backbone view.
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*
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* @return {object}
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* A mapping of events to be used in the view.
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*/
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events() {
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let mapping = {
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mouseenter() {
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this.model.set('regionIsHovered', true);
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},
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mouseleave() {
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this.model.close().blur().set('regionIsHovered', false);
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},
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};
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// We don't want mouse hover events on touch.
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if (Modernizr.touchevents) {
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mapping = {};
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}
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return mapping;
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},
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/**
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* Renders the visual view of a contextual region element.
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*
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* @constructs
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*
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* @augments Backbone.View
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*/
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initialize() {
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this.listenTo(this.model, 'change:hasFocus', this.render);
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},
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/**
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* {@inheritdoc}
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*
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* @return {Drupal.contextual.RegionView}
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* The current contextual region view.
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*/
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render() {
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this.$el.toggleClass('focus', this.model.get('hasFocus'));
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return this;
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},
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},
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);
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})(Drupal, Backbone, Modernizr);
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