Make tasklist checkboxes clickable (#15791)
Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Lauris BH <lauris@nix.lv>tokarchuk/v1.17
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@ -1,5 +1,12 @@ |
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import {renderMermaid} from './mermaid.js'; |
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import {initMarkupTasklist} from './tasklist.js'; |
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export async function renderMarkupContent() { |
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// code that runs for all markup content
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export async function initMarkupContent() { |
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await renderMermaid(document.querySelectorAll('code.language-mermaid')); |
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} |
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// code that only runs for comments
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export function initCommentContent() { |
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initMarkupTasklist(); |
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} |
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@ -0,0 +1,62 @@ |
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/** |
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* Attaches `input` handlers to markdown rendered tasklist checkboxes in comments. |
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* |
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* When a checkbox value changes, the corresponding [ ] or [x] in the markdown string |
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* is set accordingly and sent to the server. On success it updates the raw-content on |
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* error it resets the checkbox to its original value. |
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*/ |
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const preventListener = (e) => e.preventDefault(); |
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export function initMarkupTasklist() { |
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for (const el of document.querySelectorAll(`.markup[data-can-edit=true]`) || []) { |
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const container = el.parentNode; |
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const checkboxes = el.querySelectorAll(`.task-list-item input[type=checkbox]`); |
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for (const checkbox of checkboxes) { |
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if (checkbox.dataset.editable) return; |
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checkbox.dataset.editable = 'true'; |
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checkbox.addEventListener('input', async () => { |
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const checkboxCharacter = checkbox.checked ? 'x' : ' '; |
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const position = parseInt(checkbox.dataset.sourcePosition) + 1; |
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const rawContent = container.querySelector('.raw-content'); |
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const oldContent = rawContent.textContent; |
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const newContent = oldContent.substring(0, position) + checkboxCharacter + oldContent.substring(position + 1); |
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if (newContent === oldContent) return; |
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// Prevent further inputs until the request is done. This does not use the
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// `disabled` attribute because it causes the border to flash on click.
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for (const checkbox of checkboxes) { |
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checkbox.addEventListener('click', preventListener); |
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} |
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try { |
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const editContentZone = container.querySelector('.edit-content-zone'); |
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const {updateUrl, context} = editContentZone.dataset; |
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await $.post(updateUrl, { |
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_csrf: window.config.csrf, |
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content: newContent, |
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context, |
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}); |
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rawContent.textContent = newContent; |
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} catch (err) { |
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checkbox.checked = !checkbox.checked; |
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console.error(err); |
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} |
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// Enable input on checkboxes again
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for (const checkbox of checkboxes) { |
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checkbox.removeEventListener('click', preventListener); |
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} |
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}); |
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} |
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// Enable the checkboxes as they are initially disabled by the markdown renderer
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for (const checkbox of checkboxes) { |
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checkbox.disabled = false; |
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} |
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} |
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} |
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