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Enable spellcheck for EasyMDE, use contenteditable mode (#19776)

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Enable spellcheck for EasyMDE, use contenteditable mode.
Rewrite and refactor the ImagePaste code.
This commit is contained in:
wxiaoguang 2022-06-29 01:52:58 +08:00 committed by GitHub
parent cdd6371ad4
commit 76910f213f
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 102 additions and 65 deletions
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2
web_src/js/features/comp/EasyMDE.js
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@ -38,6 +38,8 @@ export async function createCommentEasyMDE(textarea, easyMDEOptions = {}) {
indentWithTabs: false,
tabSize: 4,
spellChecker: false,
inputStyle: 'contenteditable', // nativeSpellcheck requires contenteditable
nativeSpellcheck: true,
toolbar: ['bold', 'italic', 'strikethrough', '|',
'heading-1', 'heading-2', 'heading-3', 'heading-bigger', 'heading-smaller', '|',
'code', 'quote', '|', {

135
web_src/js/features/comp/ImagePaste.js
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@ -1,4 +1,5 @@
import $ from 'jquery';
const {csrfToken} = window.config;
async function uploadFile(file, uploadUrl) {
@ -21,72 +22,104 @@ function clipboardPastedImages(e) {
if (!item.type || !item.type.startsWith('image/')) continue;
files.push(item.getAsFile());
}
if (files.length) {
e.preventDefault();
e.stopPropagation();
}
return files;
}
class TextareaEditor {
constructor(editor) {
this.editor = editor;
}
function insertAtCursor(field, value) {
if (field.selectionStart || field.selectionStart === 0) {
const startPos = field.selectionStart;
const endPos = field.selectionEnd;
field.value = field.value.substring(0, startPos) + value + field.value.substring(endPos, field.value.length);
field.selectionStart = startPos + value.length;
field.selectionEnd = startPos + value.length;
} else {
field.value += value;
insertPlaceholder(value) {
const editor = this.editor;
const startPos = editor.selectionStart;
const endPos = editor.selectionEnd;
editor.value = editor.value.substring(0, startPos) + value + editor.value.substring(endPos);
editor.selectionStart = startPos;
editor.selectionEnd = startPos + value.length;
editor.focus();
}
replacePlaceholder(oldVal, newVal) {
const editor = this.editor;
const startPos = editor.selectionStart;
const endPos = editor.selectionEnd;
if (editor.value.substring(startPos, endPos) === oldVal) {
editor.value = editor.value.substring(0, startPos) + newVal + editor.value.substring(endPos);
editor.selectionEnd = startPos + newVal.length;
} else {
editor.value = editor.value.replace(oldVal, newVal);
editor.selectionEnd -= oldVal.length;
editor.selectionEnd += newVal.length;
}
editor.selectionStart = editor.selectionEnd;
editor.focus();
}
}
function replaceAndKeepCursor(field, oldval, newval) {
if (field.selectionStart || field.selectionStart === 0) {
const startPos = field.selectionStart;
const endPos = field.selectionEnd;
field.value = field.value.replace(oldval, newval);
field.selectionStart = startPos + newval.length - oldval.length;
field.selectionEnd = endPos + newval.length - oldval.length;
} else {
field.value = field.value.replace(oldval, newval);
class CodeMirrorEditor {
constructor(editor) {
this.editor = editor;
}
insertPlaceholder(value) {
const editor = this.editor;
const startPoint = editor.getCursor('start');
const endPoint = editor.getCursor('end');
editor.replaceSelection(value);
endPoint.ch = startPoint.ch + value.length;
editor.setSelection(startPoint, endPoint);
editor.focus();
}
replacePlaceholder(oldVal, newVal) {
const editor = this.editor;
const endPoint = editor.getCursor('end');
if (editor.getSelection() === oldVal) {
editor.replaceSelection(newVal);
} else {
editor.setValue(editor.getValue().replace(oldVal, newVal));
}
endPoint.ch -= oldVal.length;
endPoint.ch += newVal.length;
editor.setSelection(endPoint, endPoint);
editor.focus();
}
}
export function initCompImagePaste($target) {
$target.each(function () {
const dropzone = this.querySelector('.dropzone');
if (!dropzone) {
export function initEasyMDEImagePaste(easyMDE, $dropzone) {
const uploadUrl = $dropzone.attr('data-upload-url');
const $files = $dropzone.find('.files');
if (!uploadUrl || !$files.length) return;
const uploadClipboardImage = async (editor, e) => {
const pastedImages = clipboardPastedImages(e);
if (!pastedImages || pastedImages.length === 0) {
return;
}
const uploadUrl = dropzone.getAttribute('data-upload-url');
const dropzoneFiles = dropzone.querySelector('.files');
for (const textarea of this.querySelectorAll('textarea')) {
textarea.addEventListener('paste', async (e) => {
for (const img of clipboardPastedImages(e)) {
const name = img.name.slice(0, img.name.lastIndexOf('.'));
insertAtCursor(textarea, `![${name}]()`);
const data = await uploadFile(img, uploadUrl);
replaceAndKeepCursor(textarea, `![${name}]()`, `![${name}](/attachments/${data.uuid})`);
const input = $(`<input id="${data.uuid}" name="files" type="hidden">`).val(data.uuid);
dropzoneFiles.appendChild(input[0]);
}
}, false);
}
});
}
e.preventDefault();
e.stopPropagation();
export function initEasyMDEImagePaste(easyMDE, dropzone, files) {
const uploadUrl = dropzone.getAttribute('data-upload-url');
easyMDE.codemirror.on('paste', async (_, e) => {
for (const img of clipboardPastedImages(e)) {
for (const img of pastedImages) {
const name = img.name.slice(0, img.name.lastIndexOf('.'));
const placeholder = `![${name}](uploading ...)`;
editor.insertPlaceholder(placeholder);
const data = await uploadFile(img, uploadUrl);
const pos = easyMDE.codemirror.getCursor();
easyMDE.codemirror.replaceRange(`![${name}](/attachments/${data.uuid})`, pos);
const input = $(`<input id="${data.uuid}" name="files" type="hidden">`).val(data.uuid);
files.append(input);
editor.replacePlaceholder(placeholder, `![${name}](/attachments/${data.uuid})`);
const $input = $(`<input name="files" type="hidden">`).attr('id', data.uuid).val(data.uuid);
$files.append($input);
}
};
easyMDE.codemirror.on('paste', async (_, e) => {
return uploadClipboardImage(new CodeMirrorEditor(easyMDE.codemirror), e);
});
$(easyMDE.element).on('paste', async (e) => {
return uploadClipboardImage(new TextareaEditor(easyMDE.element), e.originalEvent);
});
}

7
web_src/js/features/repo-issue.js
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@ -2,7 +2,7 @@ import $ from 'jquery';
import {htmlEscape} from 'escape-goat';
import attachTribute from './tribute.js';
import {createCommentEasyMDE, getAttachedEasyMDE} from './comp/EasyMDE.js';
import {initCompImagePaste} from './comp/ImagePaste.js';
import {initEasyMDEImagePaste} from './comp/ImagePaste.js';
import {initCompMarkupContentPreviewTab} from './comp/MarkupContentPreview.js';
const {appSubUrl, csrfToken} = window.config;
@ -480,8 +480,9 @@ export function initRepoPullRequestReview() {
// the editor's height is too large in some cases, and the panel cannot be scrolled with page now because there is `.repository .diff-detail-box.sticky { position: sticky; }`
// the temporary solution is to make the editor's height smaller (about 4 lines). GitHub also only show 4 lines for default. We can improve the UI (including Dropzone area) in future
// EasyMDE's options can not handle minHeight & maxHeight together correctly, we have to set max-height for .CodeMirror-scroll in CSS.
await createCommentEasyMDE($reviewBox.find('textarea'), {minHeight: '80px'});
initCompImagePaste($reviewBox);
const $reviewTextarea = $reviewBox.find('textarea');
const easyMDE = await createCommentEasyMDE($reviewTextarea, {minHeight: '80px'});
initEasyMDEImagePaste(easyMDE, $reviewBox.find('.dropzone'));
})();
}

16
web_src/js/features/repo-legacy.js
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@ -1,7 +1,7 @@
import $ from 'jquery';
import {createCommentEasyMDE, getAttachedEasyMDE} from './comp/EasyMDE.js';
import {initCompMarkupContentPreviewTab} from './comp/MarkupContentPreview.js';
import {initCompImagePaste, initEasyMDEImagePaste} from './comp/ImagePaste.js';
import {initEasyMDEImagePaste} from './comp/ImagePaste.js';
import {
initRepoIssueBranchSelect, initRepoIssueCodeCommentCancel,
initRepoIssueCommentDelete,
@ -33,7 +33,8 @@ import initRepoPullRequestMergeForm from './repo-issue-pr-form.js';
const {csrfToken} = window.config;
export function initRepoCommentForm() {
if ($('.comment.form').length === 0) {
const $commentForm = $('.comment.form');
if ($commentForm.length === 0) {
return;
}
@ -67,12 +68,13 @@ export function initRepoCommentForm() {
}
(async () => {
await createCommentEasyMDE($('.comment.form textarea:not(.review-textarea)'));
initCompImagePaste($('.comment.form'));
const $textarea = $commentForm.find('textarea:not(.review-textarea)');
const easyMDE = await createCommentEasyMDE($textarea);
initEasyMDEImagePaste(easyMDE, $commentForm.find('.dropzone'));
})();
initBranchSelector();
initCompMarkupContentPreviewTab($('.comment.form'));
initCompMarkupContentPreviewTab($commentForm);
// List submits
function initListSubmits(selector, outerSelector) {
@ -352,9 +354,7 @@ async function onEditContent(event) {
easyMDE = await createCommentEasyMDE($textarea);
initCompMarkupContentPreviewTab($editContentForm);
if ($dropzone.length === 1) {
initEasyMDEImagePaste(easyMDE, $dropzone[0], $dropzone.find('.files'));
}
initEasyMDEImagePaste(easyMDE, $dropzone);
const $saveButton = $editContentZone.find('.save.button');
$textarea.on('ce-quick-submit', () => {

5
web_src/js/features/repo-release.js
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@ -23,10 +23,9 @@ export function initRepoReleaseEditor() {
(async () => {
const $textarea = $editor.find('textarea');
await attachTribute($textarea.get(), {mentions: false, emoji: true});
const $files = $editor.parent().find('.files');
const easyMDE = await createCommentEasyMDE($textarea);
initCompMarkupContentPreviewTab($editor);
const dropzone = $editor.parent().find('.dropzone')[0];
initEasyMDEImagePaste(easyMDE, dropzone, $files);
const $dropzone = $editor.parent().find('.dropzone');
initEasyMDEImagePaste(easyMDE, $dropzone);
})();
}

2
web_src/js/features/repo-wiki.js
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@ -67,6 +67,8 @@ async function initRepoWikiFormEditor() {
indentWithTabs: false,
tabSize: 4,
spellChecker: false,
inputStyle: 'contenteditable', // nativeSpellcheck requires contenteditable
nativeSpellcheck: true,
toolbar: ['bold', 'italic', 'strikethrough', '|',
'heading-1', 'heading-2', 'heading-3', 'heading-bigger', 'heading-smaller', '|',
{