mirror of
https://github.com/go-gitea/gitea.git
synced 2025-11-02 20:44:13 +01:00
c05082669b
* there is no bug of the "unique element id", but duplicate code, this PR just merges the duplicate "element id" logic and move the function from "fomaintic" to "dom" * improve comments * make "git commit graph" page update pagination links correctly
426 lines
16 KiB
TypeScript
426 lines
16 KiB
TypeScript
import '@github/markdown-toolbar-element';
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import '@github/text-expander-element';
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import {attachTribute} from '../tribute.ts';
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import {hideElem, showElem, autosize, isElemVisible, generateElemId} from '../../utils/dom.ts';
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import {
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EventUploadStateChanged,
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initEasyMDEPaste,
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initTextareaEvents,
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triggerUploadStateChanged,
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} from './EditorUpload.ts';
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import {handleGlobalEnterQuickSubmit} from './QuickSubmit.ts';
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import {renderPreviewPanelContent} from '../repo-editor.ts';
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import {easyMDEToolbarActions} from './EasyMDEToolbarActions.ts';
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import {initTextExpander} from './TextExpander.ts';
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import {showErrorToast} from '../../modules/toast.ts';
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import {POST} from '../../modules/fetch.ts';
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import {
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EventEditorContentChanged,
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initTextareaMarkdown,
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textareaInsertText,
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triggerEditorContentChanged,
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} from './EditorMarkdown.ts';
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import {DropzoneCustomEventReloadFiles, initDropzone} from '../dropzone.ts';
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import {createTippy} from '../../modules/tippy.ts';
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import {fomanticQuery} from '../../modules/fomantic/base.ts';
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import type EasyMDE from 'easymde';
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/**
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* validate if the given textarea is non-empty.
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* @param {HTMLTextAreaElement} textarea - The textarea element to be validated.
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* @returns {boolean} returns true if validation succeeded.
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*/
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export function validateTextareaNonEmpty(textarea: HTMLTextAreaElement) {
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// When using EasyMDE, the original edit area HTML element is hidden, breaking HTML5 input validation.
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// The workaround (https://github.com/sparksuite/simplemde-markdown-editor/issues/324) doesn't work with contenteditable, so we just show an alert.
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if (!textarea.value) {
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if (isElemVisible(textarea)) {
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textarea.required = true;
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const form = textarea.closest('form');
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form?.reportValidity();
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} else {
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// The alert won't hurt users too much, because we are dropping the EasyMDE and the check only occurs in a few places.
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showErrorToast('Require non-empty content');
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}
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return false;
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}
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return true;
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}
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type Heights = {
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minHeight?: string,
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height?: string,
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maxHeight?: string,
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};
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type ComboMarkdownEditorOptions = {
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editorHeights?: Heights,
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easyMDEOptions?: EasyMDE.Options,
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};
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type ComboMarkdownEditorTextarea = HTMLTextAreaElement & {_giteaComboMarkdownEditor: any};
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type ComboMarkdownEditorContainer = HTMLElement & {_giteaComboMarkdownEditor?: any};
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export class ComboMarkdownEditor {
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static EventEditorContentChanged = EventEditorContentChanged;
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static EventUploadStateChanged = EventUploadStateChanged;
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public container: HTMLElement;
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options: ComboMarkdownEditorOptions;
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tabEditor: HTMLElement;
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tabPreviewer: HTMLElement;
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supportEasyMDE: boolean;
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easyMDE: any;
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easyMDEToolbarActions: any;
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easyMDEToolbarDefault: any;
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textarea: ComboMarkdownEditorTextarea;
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textareaMarkdownToolbar: HTMLElement;
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textareaAutosize: any;
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dropzone: HTMLElement;
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attachedDropzoneInst: any;
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previewMode: string;
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previewUrl: string;
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previewContext: string;
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constructor(container: ComboMarkdownEditorContainer, options:ComboMarkdownEditorOptions = {}) {
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if (container._giteaComboMarkdownEditor) throw new Error('ComboMarkdownEditor already initialized');
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container._giteaComboMarkdownEditor = this;
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this.options = options;
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this.container = container;
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}
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async init() {
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this.prepareEasyMDEToolbarActions();
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this.setupContainer();
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this.setupTab();
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await this.setupDropzone(); // textarea depends on dropzone
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this.setupTextarea();
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await this.switchToUserPreference();
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}
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applyEditorHeights(el: HTMLElement, heights: Heights) {
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if (!heights) return;
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if (heights.minHeight) el.style.minHeight = heights.minHeight;
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if (heights.height) el.style.height = heights.height;
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if (heights.maxHeight) el.style.maxHeight = heights.maxHeight;
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}
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setupContainer() {
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this.supportEasyMDE = this.container.getAttribute('data-support-easy-mde') === 'true';
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this.previewMode = this.container.getAttribute('data-content-mode');
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this.previewUrl = this.container.getAttribute('data-preview-url');
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this.previewContext = this.container.getAttribute('data-preview-context');
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initTextExpander(this.container.querySelector('text-expander'));
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}
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setupTextarea() {
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this.textarea = this.container.querySelector('.markdown-text-editor');
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this.textarea._giteaComboMarkdownEditor = this;
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this.textarea.id = generateElemId(`_combo_markdown_editor_`);
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this.textarea.addEventListener('input', () => triggerEditorContentChanged(this.container));
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this.applyEditorHeights(this.textarea, this.options.editorHeights);
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if (this.textarea.getAttribute('data-disable-autosize') !== 'true') {
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this.textareaAutosize = autosize(this.textarea, {viewportMarginBottom: 130});
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}
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this.textareaMarkdownToolbar = this.container.querySelector('markdown-toolbar');
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this.textareaMarkdownToolbar.setAttribute('for', this.textarea.id);
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for (const el of this.textareaMarkdownToolbar.querySelectorAll('.markdown-toolbar-button')) {
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// upstream bug: The role code is never executed in base MarkdownButtonElement https://github.com/github/markdown-toolbar-element/issues/70
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el.setAttribute('role', 'button');
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// the editor usually is in a form, so the buttons should have "type=button", avoiding conflicting with the form's submit.
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if (el.nodeName === 'BUTTON' && !el.getAttribute('type')) el.setAttribute('type', 'button');
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}
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const monospaceButton = this.container.querySelector('.markdown-switch-monospace');
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const monospaceEnabled = localStorage?.getItem('markdown-editor-monospace') === 'true';
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const monospaceText = monospaceButton.getAttribute(monospaceEnabled ? 'data-disable-text' : 'data-enable-text');
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monospaceButton.setAttribute('data-tooltip-content', monospaceText);
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monospaceButton.setAttribute('aria-checked', String(monospaceEnabled));
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monospaceButton.addEventListener('click', (e) => {
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e.preventDefault();
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const enabled = localStorage?.getItem('markdown-editor-monospace') !== 'true';
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localStorage.setItem('markdown-editor-monospace', String(enabled));
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this.textarea.classList.toggle('tw-font-mono', enabled);
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const text = monospaceButton.getAttribute(enabled ? 'data-disable-text' : 'data-enable-text');
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monospaceButton.setAttribute('data-tooltip-content', text);
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monospaceButton.setAttribute('aria-checked', String(enabled));
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});
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if (this.supportEasyMDE) {
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const easymdeButton = this.container.querySelector('.markdown-switch-easymde');
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easymdeButton.addEventListener('click', async (e) => {
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e.preventDefault();
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this.userPreferredEditor = 'easymde';
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await this.switchToEasyMDE();
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});
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}
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this.initMarkdownButtonTableAdd();
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initTextareaMarkdown(this.textarea);
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initTextareaEvents(this.textarea, this.dropzone);
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}
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async setupDropzone() {
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const dropzoneParentContainer = this.container.getAttribute('data-dropzone-parent-container');
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if (!dropzoneParentContainer) return;
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this.dropzone = this.container.closest(this.container.getAttribute('data-dropzone-parent-container'))?.querySelector('.dropzone');
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if (!this.dropzone) return;
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this.attachedDropzoneInst = await initDropzone(this.dropzone);
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// dropzone events
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// * "processing" means a file is being uploaded
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// * "queuecomplete" means all files have been uploaded
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this.attachedDropzoneInst.on('processing', () => triggerUploadStateChanged(this.container));
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this.attachedDropzoneInst.on('queuecomplete', () => triggerUploadStateChanged(this.container));
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}
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dropzoneGetFiles() {
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if (!this.dropzone) return null;
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return Array.from(this.dropzone.querySelectorAll<HTMLInputElement>('.files [name=files]'), (el) => el.value);
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}
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dropzoneReloadFiles() {
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if (!this.dropzone) return;
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this.attachedDropzoneInst.emit(DropzoneCustomEventReloadFiles);
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}
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dropzoneSubmitReload() {
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if (!this.dropzone) return;
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this.attachedDropzoneInst.emit('submit');
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this.attachedDropzoneInst.emit(DropzoneCustomEventReloadFiles);
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}
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isUploading() {
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if (!this.dropzone) return false;
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return this.attachedDropzoneInst.getQueuedFiles().length || this.attachedDropzoneInst.getUploadingFiles().length;
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}
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setupTab() {
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const tabs = this.container.querySelectorAll<HTMLElement>('.tabular.menu > .item');
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if (!tabs.length) return;
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// Fomantic Tab requires the "data-tab" to be globally unique.
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// So here it uses our defined "data-tab-for" and "data-tab-panel" to generate the "data-tab" attribute for Fomantic.
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const tabIdSuffix = generateElemId();
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this.tabEditor = Array.from(tabs).find((tab) => tab.getAttribute('data-tab-for') === 'markdown-writer');
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this.tabPreviewer = Array.from(tabs).find((tab) => tab.getAttribute('data-tab-for') === 'markdown-previewer');
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this.tabEditor.setAttribute('data-tab', `markdown-writer-${tabIdSuffix}`);
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this.tabPreviewer.setAttribute('data-tab', `markdown-previewer-${tabIdSuffix}`);
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const panelEditor = this.container.querySelector('.ui.tab[data-tab-panel="markdown-writer"]');
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const panelPreviewer = this.container.querySelector('.ui.tab[data-tab-panel="markdown-previewer"]');
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panelEditor.setAttribute('data-tab', `markdown-writer-${tabIdSuffix}`);
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panelPreviewer.setAttribute('data-tab', `markdown-previewer-${tabIdSuffix}`);
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this.tabEditor.addEventListener('click', () => {
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requestAnimationFrame(() => {
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this.focus();
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});
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});
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fomanticQuery(tabs).tab();
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this.tabPreviewer.addEventListener('click', async () => {
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const formData = new FormData();
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formData.append('mode', this.previewMode);
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formData.append('context', this.previewContext);
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formData.append('text', this.value());
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const response = await POST(this.previewUrl, {data: formData});
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const data = await response.text();
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renderPreviewPanelContent(panelPreviewer, data);
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});
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}
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generateMarkdownTable(rows: number, cols: number): string {
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const tableLines = [];
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tableLines.push(
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`| ${'Header '.repeat(cols).trim().split(' ').join(' | ')} |`,
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`| ${'--- '.repeat(cols).trim().split(' ').join(' | ')} |`,
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);
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for (let i = 0; i < rows; i++) {
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tableLines.push(`| ${'Cell '.repeat(cols).trim().split(' ').join(' | ')} |`);
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}
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return tableLines.join('\n');
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}
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initMarkdownButtonTableAdd() {
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const addTableButton = this.container.querySelector('.markdown-button-table-add');
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const addTablePanel = this.container.querySelector('.markdown-add-table-panel');
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// here the tippy can't attach to the button because the button already owns a tippy for tooltip
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const addTablePanelTippy = createTippy(addTablePanel, {
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content: addTablePanel,
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trigger: 'manual',
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placement: 'bottom',
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hideOnClick: true,
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interactive: true,
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getReferenceClientRect: () => addTableButton.getBoundingClientRect(),
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});
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addTableButton.addEventListener('click', () => addTablePanelTippy.show());
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addTablePanel.querySelector('.ui.button.primary').addEventListener('click', () => {
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let rows = parseInt(addTablePanel.querySelector<HTMLInputElement>('[name=rows]').value);
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let cols = parseInt(addTablePanel.querySelector<HTMLInputElement>('[name=cols]').value);
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rows = Math.max(1, Math.min(100, rows));
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cols = Math.max(1, Math.min(100, cols));
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textareaInsertText(this.textarea, `\n${this.generateMarkdownTable(rows, cols)}\n\n`);
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addTablePanelTippy.hide();
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});
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}
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switchTabToEditor() {
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this.tabEditor.click();
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}
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prepareEasyMDEToolbarActions() {
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this.easyMDEToolbarDefault = [
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'bold', 'italic', 'strikethrough', '|', 'heading-1', 'heading-2', 'heading-3',
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'heading-bigger', 'heading-smaller', '|', 'code', 'quote', '|', 'gitea-checkbox-empty',
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'gitea-checkbox-checked', '|', 'unordered-list', 'ordered-list', '|', 'link', 'image',
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'table', 'horizontal-rule', '|', 'gitea-switch-to-textarea',
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];
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}
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parseEasyMDEToolbar(easyMde: typeof EasyMDE, actions: any) {
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this.easyMDEToolbarActions = this.easyMDEToolbarActions || easyMDEToolbarActions(easyMde, this);
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const processed = [];
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for (const action of actions) {
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const actionButton = this.easyMDEToolbarActions[action];
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if (!actionButton) throw new Error(`Unknown EasyMDE toolbar action ${action}`);
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processed.push(actionButton);
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}
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return processed;
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}
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async switchToUserPreference() {
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if (this.userPreferredEditor === 'easymde' && this.supportEasyMDE) {
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await this.switchToEasyMDE();
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} else {
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this.switchToTextarea();
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}
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}
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switchToTextarea() {
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if (!this.easyMDE) return;
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showElem(this.textareaMarkdownToolbar);
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if (this.easyMDE) {
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this.easyMDE.toTextArea();
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this.easyMDE = null;
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}
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}
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async switchToEasyMDE() {
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if (this.easyMDE) return;
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// EasyMDE's CSS should be loaded via webpack config, otherwise our own styles can not overwrite the default styles.
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const {default: EasyMDE} = await import(/* webpackChunkName: "easymde" */'easymde');
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const easyMDEOpt: EasyMDE.Options = {
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autoDownloadFontAwesome: false,
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element: this.textarea,
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forceSync: true,
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renderingConfig: {singleLineBreaks: false},
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indentWithTabs: false,
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tabSize: 4,
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spellChecker: false,
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inputStyle: 'contenteditable', // nativeSpellcheck requires contenteditable
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nativeSpellcheck: true,
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...this.options.easyMDEOptions,
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};
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easyMDEOpt.toolbar = this.parseEasyMDEToolbar(EasyMDE, easyMDEOpt.toolbar ?? this.easyMDEToolbarDefault);
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this.easyMDE = new EasyMDE(easyMDEOpt);
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this.easyMDE.codemirror.on('change', () => triggerEditorContentChanged(this.container));
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this.easyMDE.codemirror.setOption('extraKeys', {
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'Cmd-Enter': (cm: any) => handleGlobalEnterQuickSubmit(cm.getTextArea()),
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'Ctrl-Enter': (cm: any) => handleGlobalEnterQuickSubmit(cm.getTextArea()),
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Enter: (cm: any) => {
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const tributeContainer = document.querySelector<HTMLElement>('.tribute-container');
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if (!tributeContainer || tributeContainer.style.display === 'none') {
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cm.execCommand('newlineAndIndent');
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}
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},
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Up: (cm: any) => {
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const tributeContainer = document.querySelector<HTMLElement>('.tribute-container');
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if (!tributeContainer || tributeContainer.style.display === 'none') {
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return cm.execCommand('goLineUp');
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}
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},
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Down: (cm: any) => {
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const tributeContainer = document.querySelector<HTMLElement>('.tribute-container');
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if (!tributeContainer || tributeContainer.style.display === 'none') {
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return cm.execCommand('goLineDown');
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}
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},
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});
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this.applyEditorHeights(this.container.querySelector('.CodeMirror-scroll'), this.options.editorHeights);
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await attachTribute(this.easyMDE.codemirror.getInputField());
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if (this.dropzone) {
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initEasyMDEPaste(this.easyMDE, this.dropzone);
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}
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hideElem(this.textareaMarkdownToolbar);
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}
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value(v: any = undefined) {
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if (v === undefined) {
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if (this.easyMDE) {
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return this.easyMDE.value();
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}
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return this.textarea.value;
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}
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if (this.easyMDE) {
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this.easyMDE.value(v);
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} else {
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this.textarea.value = v;
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}
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this.textareaAutosize?.resizeToFit();
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}
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focus() {
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if (this.easyMDE) {
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this.easyMDE.codemirror.focus();
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} else {
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this.textarea.focus();
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}
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}
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moveCursorToEnd() {
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this.textarea.focus();
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this.textarea.setSelectionRange(this.textarea.value.length, this.textarea.value.length);
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if (this.easyMDE) {
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this.easyMDE.codemirror.focus();
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this.easyMDE.codemirror.setCursor(this.easyMDE.codemirror.lineCount(), 0);
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}
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}
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get userPreferredEditor() {
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return window.localStorage.getItem(`markdown-editor-${this.previewMode ?? 'default'}`);
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}
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set userPreferredEditor(s) {
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window.localStorage.setItem(`markdown-editor-${this.previewMode ?? 'default'}`, s);
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}
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}
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export function getComboMarkdownEditor(el: any) {
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if (!el) return null;
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if (el.length) el = el[0];
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return el._giteaComboMarkdownEditor;
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}
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export async function initComboMarkdownEditor(container: HTMLElement, options:ComboMarkdownEditorOptions = {}) {
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if (!container) {
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throw new Error('initComboMarkdownEditor: container is null');
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}
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const editor = new ComboMarkdownEditor(container, options);
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await editor.init();
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return editor;
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}
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