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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import React, { useState, useEffect } from 'react'; | ||
| import Adapt from 'core/js/adapt'; | ||
| import a11y from 'core/js/a11y'; | ||
| import { classes, templates } from 'core/js/reactHelpers'; | ||
|
|
||
| export default function Resources (props) { | ||
| const { | ||
| resources | ||
| } = props; | ||
|
|
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| const _globals = Adapt.course.get('_globals'); | ||
| const resourceTypes = ['all', 'document', 'media', 'link']; // must contain 'all' | ||
|
|
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| function resourcesHasMultipleTypes(resources) { | ||
| if (resources.length === 1) return false; | ||
|
|
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| const allSameType = resources.every(_.matcher({ _type: resources[0]._type })); | ||
| return !allSameType; | ||
| } | ||
|
|
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| function resourcesGetColumnCount(resources) { | ||
| return _.uniq(_.pluck(resources, '_type')).length + 1; // add 1 for the 'All' button column | ||
| } | ||
|
|
||
| const [selectedFilter, setSelectedFilter] = useState('all'); | ||
| const [selectedId, setSelectedId] = useState('resources__show-all'); | ||
| const [focusFlag, setFocusFlag] = useState(false); | ||
|
|
||
| useEffect(() => { | ||
| if (focusFlag) { | ||
| let $items; | ||
| if (selectedFilter === 'all') { | ||
| $items = $('.resources__item'); | ||
| } else { | ||
| $items = $('.resources__item.is-' + selectedFilter); | ||
| } | ||
|
|
||
| if ($items.length < 0) return; | ||
|
|
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| a11y.focusFirst($items); | ||
|
|
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| setFocusFlag(false); | ||
| } | ||
| }, [focusFlag]); | ||
|
|
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| const onFilterClicked = e => { | ||
| if (e && e.preventDefault) e.preventDefault(); | ||
|
|
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| const $clickedButton = this.$(e.currentTarget); | ||
| const filter = $clickedButton.data('filter'); | ||
| const id = $clickedButton.attr('id'); | ||
|
|
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| setSelectedFilter(filter); | ||
| setSelectedId(id); | ||
| setFocusFlag(true); | ||
| }; | ||
|
|
||
| return ( | ||
| <div className="component__inner resources__inner"> | ||
|
|
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| <templates.header {...props} /> | ||
|
|
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| {resourcesHasMultipleTypes(resources) && | ||
| <div className={classes([ | ||
| 'resources__filter', | ||
| `has-${resourcesGetColumnCount(resources)}-columns` | ||
| ])}> | ||
| <div className="resources__filter-inner" role="tablist"> | ||
|
|
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| <div className="aria-label" aria-label={_globals._extensions._resources.resources} /> | ||
|
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| {resourceTypes.map((type, index) => | ||
| <templates.resourcesFilterButton {...props} | ||
| key={index} | ||
| resources={resources} | ||
| _filter={type} | ||
| onClick={onFilterClicked} | ||
| selected={selectedFilter} /> | ||
| )} | ||
|
|
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| </div> | ||
| </div> | ||
| } | ||
|
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| <div id="resources" className="resources__item-container" role="tabpanel" aria-labelledby={selectedId}> | ||
|
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| <div role="list"> | ||
|
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| {resources.map(({ title, description, _link, _type, _isGlobal, filename, _forceDownload }, index) => | ||
| <templates.resourcesItem {...props} | ||
| key={index} | ||
| title={title} | ||
| description={description} | ||
| _link={_link} | ||
| _type={_type} | ||
| _isGlobal={_isGlobal} | ||
| selectedFilter={selectedFilter} | ||
| filename={ filename} | ||
| _forceDownload={_forceDownload} /> | ||
| )}; | ||
|
|
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| </div> | ||
|
|
||
| </div> | ||
|
|
||
| </div> | ||
|
|
||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import React from 'react'; | ||
| import { classes } from 'core/js/reactHelpers'; | ||
|
|
||
| export default function ResourcesFilterButton (props) { | ||
| const { | ||
| model, | ||
| onClick, | ||
| resources, | ||
| selected, | ||
| _filter | ||
| } = props; | ||
|
|
||
| const buttonText = model._filterButtons[_filter]; | ||
| const ariaLabel = model._filterAria[`${_filter}Aria`]; | ||
|
|
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| function resourcesHasType(resources, type) { | ||
| return resources.some(_.matcher({ _type: type })); | ||
| } | ||
|
|
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| if (!resourcesHasType(resources, _filter) && _filter !== 'all') return null; | ||
|
|
||
| return ( | ||
| <button | ||
| id={`resources__show-${_filter}`} | ||
| className={classes([ | ||
| 'resources__filter-btn', | ||
| selected === _filter && 'is-selected' | ||
| ])} | ||
| onClick={onClick} | ||
| data-filter={_filter} | ||
| aria-label={ariaLabel} | ||
| role="tab" | ||
| aria-selected={selected === _filter} | ||
| aria-controls="resources" | ||
| dangerouslySetInnerHTML={{ __html: buttonText }} /> | ||
| ); | ||
| } |
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