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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -7,14 +7,36 @@ | |
| <script src="./packages/mask/dist/cdn.js"></script> | ||
| <script src="./packages/ui/dist/cdn.js" defer></script> | ||
| <script src="./packages/alpinejs/dist/cdn.js" defer></script> | ||
| <script src="//cdn.tailwindcss.com"></script> | ||
| <!-- <script src="https://unpkg.com/[email protected]/dist/cdn.min.js" defer></script> --> | ||
|
|
||
| <!-- Play around. --> | ||
| <div x-data="{ open: false }"> | ||
| <button @click="open = !open">Toggle</button> | ||
| <main x-data="{ active: null, access: [ | ||
| { | ||
| id: 'access-1', | ||
| name: 'Public access', | ||
| description: 'This project would be available to anyone who has the link', | ||
| disabled: false, | ||
| }, | ||
| ]}"> | ||
| <div x-radio group x-model="active"> | ||
| <fieldset> | ||
| <legend> | ||
| <h2 x-radio:label>Privacy setting</h2> | ||
| <p x-radio:description>Some description</p> | ||
| </legend> | ||
|
|
||
| <span x-show="open"> | ||
| Content... | ||
| </span> | ||
| </div> | ||
| <div> | ||
| <template x-for="(item, i) in access" :key="item.id"> | ||
| <div :option="item.id" x-radio:option :value="item" :disabled="item.disabled"> | ||
| <span :label="item.id" x-radio:label x-text="item.name"></span> | ||
| <span :description="item.id" x-radio:description x-text="item.description"></span> | ||
| </div> | ||
| </template> | ||
| </div> | ||
| </fieldset> | ||
| </div> | ||
|
|
||
| <span x-text="JSON.stringify(active)"></span> | ||
| </main> | ||
| </html> | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,220 @@ | ||
|
|
||
| export default function (Alpine) { | ||
| Alpine.directive('radio', (el, directive) => { | ||
| if (! directive.value) handleRoot(el, Alpine) | ||
| else if (directive.value === 'option') handleOption(el, Alpine) | ||
| else if (directive.value === 'label') handleLabel(el, Alpine) | ||
| else if (directive.value === 'description') handleDescription(el, Alpine) | ||
| }) | ||
|
|
||
| Alpine.magic('radioOption', el => { | ||
| let $data = Alpine.$data(el) | ||
|
|
||
| return { | ||
| get isActive() { | ||
| return $data.__option === $data.__active | ||
| }, | ||
| get isChecked() { | ||
| return $data.__option === $data.__value | ||
| }, | ||
| get isDisabled() { | ||
| let disabled = $data.__disabled | ||
|
|
||
| if ($data.__rootDisabled) return true | ||
|
|
||
| return disabled | ||
| }, | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| function handleRoot(el, Alpine) { | ||
| Alpine.bind(el, { | ||
| 'x-modelable': '__value', | ||
| 'x-data'() { | ||
| return { | ||
| init() { | ||
| queueMicrotask(() => { | ||
| this.__rootDisabled = Alpine.bound(el, 'disabled', false); | ||
| this.__value = Alpine.bound(this.$el, 'default-value', false) | ||
| this.__inputName = Alpine.bound(this.$el, 'name', false) | ||
| this.__inputId = 'alpine-radio-'+Date.now() | ||
| }) | ||
|
|
||
| // Add `role="none"` to all non role elements. | ||
| this.$nextTick(() => { | ||
| let walker = document.createTreeWalker( | ||
| this.$el, | ||
| NodeFilter.SHOW_ELEMENT, | ||
| { | ||
| acceptNode: node => { | ||
| if (node.getAttribute('role') === 'radio') return NodeFilter.FILTER_REJECT | ||
| if (node.hasAttribute('role')) return NodeFilter.FILTER_SKIP | ||
| return NodeFilter.FILTER_ACCEPT | ||
| } | ||
| }, | ||
| false | ||
| ) | ||
|
|
||
| while (walker.nextNode()) walker.currentNode.setAttribute('role', 'none') | ||
| }) | ||
| }, | ||
| __value: undefined, | ||
| __active: undefined, | ||
| __rootEl: this.$el, | ||
| __optionValues: [], | ||
| __disabledOptions: new Set, | ||
| __optionElsByValue: new Map, | ||
| __hasLabel: false, | ||
| __hasDescription: false, | ||
| __rootDisabled: false, | ||
| __inputName: undefined, | ||
| __inputId: undefined, | ||
| __change(value) { | ||
| if (this.__rootDisabled) return | ||
|
|
||
| this.__value = value | ||
| }, | ||
| __addOption(option, el, disabled) { | ||
| // Add current element to element list for navigating. | ||
| let options = Alpine.raw(this.__optionValues) | ||
| let els = options.map(i => this.__optionElsByValue.get(i)) | ||
| let inserted = false | ||
|
|
||
| for (let i = 0; i < els.length; i++) { | ||
| if (els[i].compareDocumentPosition(el) & Node.DOCUMENT_POSITION_PRECEDING) { | ||
| options.splice(i, 0, option) | ||
| this.__optionElsByValue.set(option, el) | ||
| inserted = true | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if (!inserted) { | ||
| options.push(option) | ||
| this.__optionElsByValue.set(option, el) | ||
| } | ||
|
|
||
| disabled && this.__disabledOptions.add(option) | ||
| }, | ||
| __isFirstOption(option) { | ||
| return this.__optionValues.indexOf(option) === 0 | ||
| }, | ||
| __setActive(option) { | ||
| this.__active = option | ||
| }, | ||
| __focusOptionNext() { | ||
| let option = this.__active | ||
| let all = this.__optionValues.filter(i => !this.__disabledOptions.has(i)) | ||
| let next = all[this.__optionValues.indexOf(option) + 1] | ||
| next = next || all[0] | ||
|
|
||
| this.__optionElsByValue.get(next).focus() | ||
| this.__change(next) | ||
| }, | ||
| __focusOptionPrev() { | ||
| let option = this.__active | ||
| let all = this.__optionValues.filter(i => !this.__disabledOptions.has(i)) | ||
| let prev = all[all.indexOf(option) - 1] | ||
| prev = prev || all.slice(-1)[0] | ||
|
|
||
| this.__optionElsByValue.get(prev).focus() | ||
| this.__change(prev) | ||
| }, | ||
| } | ||
| }, | ||
| 'x-effect'() { | ||
| let value = this.__value | ||
|
|
||
| // Only render a hidden input if the "name" prop is passed... | ||
| if (! this.__inputName) return | ||
|
|
||
| // First remove a previously appended hidden input (if it exists)... | ||
| let nextEl = this.$el.nextElementSibling | ||
| if (nextEl && String(nextEl.id) === String(this.__inputId)) { | ||
| nextEl.remove() | ||
| } | ||
|
|
||
| // If the value is true, create the input and append it, otherwise, | ||
| // we already removed it in the previous step... | ||
| if (value) { | ||
| let input = document.createElement('input') | ||
|
|
||
| input.type = 'hidden' | ||
| input.value = value | ||
| input.name = this.__inputName | ||
| input.id = this.__inputId | ||
|
|
||
| this.$el.after(input) | ||
| } | ||
| }, | ||
| 'role': 'radiogroup', | ||
| 'x-id'() { return ['alpine-radio-label', 'alpine-radio-description'] }, | ||
| ':aria-labelledby'() { return this.__hasLabel && this.$id('alpine-radio-label') }, | ||
| ':aria-describedby'() { return this.__hasDescription && this.$id('alpine-radio-description') }, | ||
| '@keydown.up.prevent.stop'() { this.__focusOptionPrev() }, | ||
| '@keydown.left.prevent.stop'() { this.__focusOptionPrev() }, | ||
| '@keydown.down.prevent.stop'() { this.__focusOptionNext() }, | ||
| '@keydown.right.prevent.stop'() { this.__focusOptionNext() }, | ||
| }) | ||
| } | ||
|
|
||
| function handleOption(el, Alpine) { | ||
| Alpine.bind(el, { | ||
| 'x-data'() { | ||
| return { | ||
| init() { | ||
| queueMicrotask(() => { | ||
| this.__disabled = Alpine.bound(el, 'disabled', false) | ||
| this.__option = Alpine.bound(el, 'value') | ||
| this.$data.__addOption(this.__option, this.$el, this.__disabled) | ||
| }) | ||
| }, | ||
| __option: undefined, | ||
| __disabled: false, | ||
| __hasLabel: false, | ||
| __hasDescription: false, | ||
| } | ||
| }, | ||
| 'x-id'() { return ['alpine-radio-label', 'alpine-radio-description'] }, | ||
| 'role': 'radio', | ||
| ':aria-checked'() { return this.$radioOption.isChecked }, | ||
| ':aria-disabled'() { return this.$radioOption.isDisabled }, | ||
| ':aria-labelledby'() { return this.__hasLabel && this.$id('alpine-radio-label') }, | ||
| ':aria-describedby'() { return this.__hasDescription && this.$id('alpine-radio-description') }, | ||
| ':tabindex'() { | ||
| if (this.$radioOption.isDisabled) return -1 | ||
| if (this.$radioOption.isChecked) return 0 | ||
| if (! this.$data.__value && this.$data.__isFirstOption(this.$data.__option)) return 0 | ||
|
|
||
| return -1 | ||
| }, | ||
| '@click'() { | ||
| if (this.$radioOption.isDisabled) return | ||
| this.$data.__change(this.$data.__option) | ||
| this.$el.focus() | ||
| }, | ||
| '@focus'() { | ||
| if (this.$radioOption.isDisabled) return | ||
| this.$data.__setActive(this.$data.__option) | ||
| }, | ||
| '@blur'() { | ||
| if (this.$data.__active === this.$data.__option) this.$data.__setActive(undefined) | ||
| }, | ||
| '@keydown.space.stop.prevent'() { this.$data.__change(this.$data.__option) }, | ||
| }) | ||
| } | ||
|
|
||
| function handleLabel(el, Alpine) { | ||
| Alpine.bind(el, { | ||
| 'x-init'() { this.$data.__hasLabel = true }, | ||
| ':id'() { return this.$id('alpine-radio-label') }, | ||
| }) | ||
| } | ||
|
|
||
| function handleDescription(el, Alpine) { | ||
| Alpine.bind(el, { | ||
| 'x-init'() { this.$data.__hasDescription = true }, | ||
| ':id'() { return this.$id('alpine-radio-description') }, | ||
| }) | ||
| } |
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