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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,8 @@ | ||
| define([ | ||
| 'core/js/adapt', | ||
| './hotgraphicView', | ||
| 'core/js/models/itemsComponentModel' | ||
| ], function(Adapt, HotgraphicView, ItemsComponentModel) { | ||
|
|
||
| return Adapt.register('hotgraphic', { | ||
| model: ItemsComponentModel.extend({}), | ||
| view: HotgraphicView | ||
| }); | ||
| import Adapt from 'core/js/adapt'; | ||
| import HotgraphicView from './hotgraphicView'; | ||
| import ItemsComponentModel from 'core/js/models/itemsComponentModel'; | ||
|
|
||
| export default Adapt.register('hotgraphic', { | ||
| model: ItemsComponentModel.extend({}), | ||
| view: HotgraphicView | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,144 +1,140 @@ | ||
| define([ | ||
| 'core/js/adapt' | ||
| ], function(Adapt) { | ||
|
|
||
| class HotgraphicPopupView extends Backbone.View { | ||
|
|
||
| className() { | ||
| return 'hotgraphic-popup'; | ||
| } | ||
|
|
||
| events() { | ||
| return { | ||
| 'click .js-hotgraphic-popup-close': 'closePopup', | ||
| 'click .js-hotgraphic-controls-click': 'onControlClick' | ||
| }; | ||
| } | ||
|
|
||
| initialize(...args) { | ||
| super.initialize(...args); | ||
| // Debounce required as a second (bad) click event is dispatched on iOS causing a jump of two items. | ||
| this.onControlClick = _.debounce(this.onControlClick.bind(this), 100); | ||
| this.listenToOnce(Adapt, 'notify:opened', this.onOpened); | ||
| this.listenTo(this.model.get('_children'), { | ||
| 'change:_isActive': this.onItemsActiveChange, | ||
| 'change:_isVisited': this.onItemsVisitedChange | ||
| }); | ||
| this.render(); | ||
| } | ||
|
|
||
| onOpened() { | ||
| this.applyNavigationClasses(this.model.getActiveItem().get('_index')); | ||
| this.updatePageCount(); | ||
| this.handleTabs(); | ||
| } | ||
|
|
||
| applyNavigationClasses (index) { | ||
| const itemCount = this.model.get('_items').length; | ||
| const canCycleThroughPagination = this.model.get('_canCycleThroughPagination'); | ||
|
|
||
| const shouldEnableBack = index > 0 || canCycleThroughPagination; | ||
| const shouldEnableNext = index < itemCount - 1 || canCycleThroughPagination; | ||
| const $controls = this.$('.hotgraphic-popup__controls'); | ||
|
|
||
| this.$('hotgraphic-popup__nav') | ||
| .toggleClass('first', !shouldEnableBack) | ||
| .toggleClass('last', !shouldEnableNext); | ||
|
|
||
| Adapt.a11y.toggleAccessibleEnabled($controls.filter('.back'), shouldEnableBack); | ||
| Adapt.a11y.toggleAccessibleEnabled($controls.filter('.next'), shouldEnableNext); | ||
| } | ||
|
|
||
| updatePageCount() { | ||
| const template = Adapt.course.get('_globals')._components._hotgraphic.popupPagination || '{{itemNumber}} / {{totalItems}}'; | ||
| const labelText = Handlebars.compile(template)({ | ||
| itemNumber: this.model.getActiveItem().get('_index') + 1, | ||
| totalItems: this.model.get('_items').length | ||
| }); | ||
| this.$('.hotgraphic-popup__count').html(labelText); | ||
| } | ||
|
|
||
| handleTabs() { | ||
| Adapt.a11y.toggleHidden(this.$('.hotgraphic-popup__item:not(.is-active)'), true); | ||
| Adapt.a11y.toggleHidden(this.$('.hotgraphic-popup__item.is-active'), false); | ||
| } | ||
|
|
||
| onItemsActiveChange(item, _isActive) { | ||
| if (!_isActive) return; | ||
| const index = item.get('_index'); | ||
| this.updatePageCount(); | ||
| this.applyItemClasses(index); | ||
| this.handleTabs(); | ||
| this.handleFocus(index); | ||
| } | ||
|
|
||
| applyItemClasses(index) { | ||
| this.$(`.hotgraphic-popup__item[data-index="${index}"]`).addClass('is-active').removeAttr('aria-hidden'); | ||
| this.$(`.hotgraphic-popup__item[data-index="${index}"] .hotgraphic-popup__item-title`).attr('id', 'notify-heading'); | ||
| this.$(`.hotgraphic-popup__item:not([data-index="${index}"])`).removeClass('is-active').attr('aria-hidden', 'true'); | ||
| this.$(`.hotgraphic-popup__item:not([data-index="${index}"]) .hotgraphic-popup__item-title`).removeAttr('id'); | ||
| } | ||
|
|
||
| handleFocus(index) { | ||
| Adapt.a11y.focusFirst(this.$('.hotgraphic-popup__inner .is-active')); | ||
| this.applyNavigationClasses(index); | ||
| } | ||
|
|
||
| onItemsVisitedChange(item, _isVisited) { | ||
| if (!_isVisited) return; | ||
|
|
||
| this.$('.hotgraphic-popup__item') | ||
| .filter(`[data-index="${item.get('_index')}"]`) | ||
| .addClass('is-visited'); | ||
| } | ||
|
|
||
| render() { | ||
| const data = this.model.toJSON(); | ||
| data.view = this; | ||
| const template = Handlebars.templates[this.constructor.template]; | ||
| this.$el.html(template(data)); | ||
| } | ||
|
|
||
| closePopup() { | ||
| Adapt.trigger('notify:close'); | ||
| } | ||
|
|
||
| onControlClick(event) { | ||
| const direction = $(event.currentTarget).data('direction'); | ||
| const index = this.getNextIndex(direction); | ||
| if (index === -1) return; | ||
|
|
||
| this.setItemState(index); | ||
| } | ||
|
|
||
| getNextIndex(direction) { | ||
| let index = this.model.getActiveItem().get('_index'); | ||
| const lastIndex = this.model.get('_items').length - 1; | ||
|
|
||
| switch (direction) { | ||
| case 'back': | ||
| if (index > 0) return --index; | ||
| if (this.model.get('_canCycleThroughPagination')) return lastIndex; | ||
| break; | ||
| case 'next': | ||
| if (index < lastIndex) return ++index; | ||
| if (this.model.get('_canCycleThroughPagination')) return 0; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| setItemState(index) { | ||
| this.model.getActiveItem().toggleActive(); | ||
|
|
||
| const nextItem = this.model.getItem(index); | ||
| nextItem.toggleActive(); | ||
| nextItem.toggleVisited(true); | ||
| } | ||
|
|
||
| }; | ||
|
|
||
| HotgraphicPopupView.template = 'hotgraphicPopup'; | ||
|
|
||
| return HotgraphicPopupView; | ||
|
|
||
| }); | ||
| import Adapt from 'core/js/adapt'; | ||
|
|
||
| class HotgraphicPopupView extends Backbone.View { | ||
|
|
||
| className() { | ||
| return 'hotgraphic-popup'; | ||
| } | ||
|
|
||
| events() { | ||
| return { | ||
| 'click .js-hotgraphic-popup-close': 'closePopup', | ||
| 'click .js-hotgraphic-controls-click': 'onControlClick' | ||
| }; | ||
| } | ||
|
|
||
| initialize(...args) { | ||
| super.initialize(...args); | ||
| // Debounce required as a second (bad) click event is dispatched on iOS causing a jump of two items. | ||
| this.onControlClick = _.debounce(this.onControlClick.bind(this), 100); | ||
| this.listenToOnce(Adapt, 'notify:opened', this.onOpened); | ||
| this.listenTo(this.model.get('_children'), { | ||
| 'change:_isActive': this.onItemsActiveChange, | ||
| 'change:_isVisited': this.onItemsVisitedChange | ||
| }); | ||
| this.render(); | ||
| } | ||
|
|
||
| onOpened() { | ||
| this.applyNavigationClasses(this.model.getActiveItem().get('_index')); | ||
| this.updatePageCount(); | ||
| this.handleTabs(); | ||
| } | ||
|
|
||
| applyNavigationClasses (index) { | ||
| const itemCount = this.model.get('_items').length; | ||
| const canCycleThroughPagination = this.model.get('_canCycleThroughPagination'); | ||
|
|
||
| const shouldEnableBack = index > 0 || canCycleThroughPagination; | ||
| const shouldEnableNext = index < itemCount - 1 || canCycleThroughPagination; | ||
| const $controls = this.$('.hotgraphic-popup__controls'); | ||
|
|
||
| this.$('hotgraphic-popup__nav') | ||
| .toggleClass('first', !shouldEnableBack) | ||
| .toggleClass('last', !shouldEnableNext); | ||
|
|
||
| Adapt.a11y.toggleAccessibleEnabled($controls.filter('.back'), shouldEnableBack); | ||
| Adapt.a11y.toggleAccessibleEnabled($controls.filter('.next'), shouldEnableNext); | ||
| } | ||
|
|
||
| updatePageCount() { | ||
| const template = Adapt.course.get('_globals')._components._hotgraphic.popupPagination || '{{itemNumber}} / {{totalItems}}'; | ||
| const labelText = Handlebars.compile(template)({ | ||
| itemNumber: this.model.getActiveItem().get('_index') + 1, | ||
| totalItems: this.model.get('_items').length | ||
| }); | ||
| this.$('.hotgraphic-popup__count').html(labelText); | ||
| } | ||
|
|
||
| handleTabs() { | ||
| Adapt.a11y.toggleHidden(this.$('.hotgraphic-popup__item:not(.is-active)'), true); | ||
| Adapt.a11y.toggleHidden(this.$('.hotgraphic-popup__item.is-active'), false); | ||
| } | ||
|
|
||
| onItemsActiveChange(item, _isActive) { | ||
| if (!_isActive) return; | ||
| const index = item.get('_index'); | ||
| this.updatePageCount(); | ||
| this.applyItemClasses(index); | ||
| this.handleTabs(); | ||
| this.handleFocus(index); | ||
| } | ||
|
|
||
| applyItemClasses(index) { | ||
| this.$(`.hotgraphic-popup__item[data-index="${index}"]`).addClass('is-active').removeAttr('aria-hidden'); | ||
| this.$(`.hotgraphic-popup__item[data-index="${index}"] .hotgraphic-popup__item-title`).attr('id', 'notify-heading'); | ||
| this.$(`.hotgraphic-popup__item:not([data-index="${index}"])`).removeClass('is-active').attr('aria-hidden', 'true'); | ||
| this.$(`.hotgraphic-popup__item:not([data-index="${index}"]) .hotgraphic-popup__item-title`).removeAttr('id'); | ||
| } | ||
|
|
||
| handleFocus(index) { | ||
| Adapt.a11y.focusFirst(this.$('.hotgraphic-popup__inner .is-active')); | ||
| this.applyNavigationClasses(index); | ||
| } | ||
|
|
||
| onItemsVisitedChange(item, _isVisited) { | ||
| if (!_isVisited) return; | ||
|
|
||
| this.$('.hotgraphic-popup__item') | ||
| .filter(`[data-index="${item.get('_index')}"]`) | ||
| .addClass('is-visited'); | ||
| } | ||
|
|
||
| render() { | ||
| const data = this.model.toJSON(); | ||
| data.view = this; | ||
| const template = Handlebars.templates[this.constructor.template]; | ||
| this.$el.html(template(data)); | ||
| } | ||
|
|
||
| closePopup() { | ||
| Adapt.trigger('notify:close'); | ||
| } | ||
|
|
||
| onControlClick(event) { | ||
| const direction = $(event.currentTarget).data('direction'); | ||
| const index = this.getNextIndex(direction); | ||
| if (index === -1) return; | ||
|
|
||
| this.setItemState(index); | ||
| } | ||
|
|
||
| getNextIndex(direction) { | ||
| let index = this.model.getActiveItem().get('_index'); | ||
| const lastIndex = this.model.get('_items').length - 1; | ||
|
|
||
| switch (direction) { | ||
| case 'back': | ||
| if (index > 0) return --index; | ||
| if (this.model.get('_canCycleThroughPagination')) return lastIndex; | ||
| break; | ||
| case 'next': | ||
| if (index < lastIndex) return ++index; | ||
| if (this.model.get('_canCycleThroughPagination')) return 0; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| setItemState(index) { | ||
| this.model.getActiveItem().toggleActive(); | ||
|
|
||
| const nextItem = this.model.getItem(index); | ||
| nextItem.toggleActive(); | ||
| nextItem.toggleVisited(true); | ||
| } | ||
|
|
||
| }; | ||
|
|
||
| HotgraphicPopupView.template = 'hotgraphicPopup'; | ||
|
|
||
| export default HotgraphicPopupView; |
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