Fix and enhance comment editor monospace toggle (#36181)

Fixes: https://github.com/go-gitea/gitea/issues/36175

1. Correctly apply setting on textareas spawned by comment edit
3. When changing the setting, apply it to all textareas on the current page

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/repo/diff/box.tmpl

@@ -10,7 +10,7 @@
 				</button>
 				<script>
 					// Default to true if unset
-					const diffTreeVisible = localStorage?.getItem('diff_file_tree_visible') !== 'false';
+					const diffTreeVisible = window.localUserSettings.getBoolean('diff_file_tree_visible', true);
 					const diffTreeBtn = document.querySelector('.diff-toggle-file-tree-button');
 					const diffTreeIcon = `.octicon-sidebar-${diffTreeVisible ? 'expand' : 'collapse'}`;
 					diffTreeBtn.querySelector(diffTreeIcon).classList.remove('tw-hidden');

templates/shared/combomarkdowneditor.tmpl

@@ -77,7 +77,7 @@
 			>{{.TextareaContent}}</textarea>
 		</text-expander>
 		<script>
-			if (localStorage?.getItem('markdown-editor-monospace') === 'true') {
+			if (window.localUserSettings.getBoolean('markdown-editor-monospace')) {
 				document.querySelector('.markdown-text-editor').classList.add('tw-font-mono');
 			}
 		</script>

web_src/js/components/DiffFileTree.vue

@@ -4,6 +4,7 @@ import {toggleElem} from '../utils/dom.ts';
 import {diffTreeStore} from '../modules/diff-file.ts';
 import {setFileFolding} from '../features/file-fold.ts';
 import {onMounted, onUnmounted} from 'vue';
+import {localUserSettings} from '../modules/user-settings.ts';
 
 const LOCAL_STORAGE_KEY = 'diff_file_tree_visible';
 
@@ -11,7 +12,7 @@ const store = diffTreeStore();
 
 onMounted(() => {
   // Default to true if unset
-  store.fileTreeIsVisible = localStorage.getItem(LOCAL_STORAGE_KEY) !== 'false';
+  store.fileTreeIsVisible = localUserSettings.getBoolean(LOCAL_STORAGE_KEY, true);
   document.querySelector('.diff-toggle-file-tree-button')!.addEventListener('click', toggleVisibility);
 
   hashChangeListener();
@@ -43,7 +44,7 @@ function toggleVisibility() {
 
 function updateVisibility(visible: boolean) {
   store.fileTreeIsVisible = visible;
-  localStorage.setItem(LOCAL_STORAGE_KEY, store.fileTreeIsVisible.toString());
+  localUserSettings.setBoolean(LOCAL_STORAGE_KEY, store.fileTreeIsVisible);
   updateState(store.fileTreeIsVisible);
 }
 

web_src/js/components/RepoActionView.vue

@@ -8,6 +8,7 @@ import {renderAnsi} from '../render/ansi.ts';
 import {POST, DELETE} from '../modules/fetch.ts';
 import type {IntervalId} from '../types.ts';
 import {toggleFullScreen} from '../utils.ts';
+import {localUserSettings} from '../modules/user-settings.ts';
 
 // see "models/actions/status.go", if it needs to be used somewhere else, move it to a shared file like "types/actions.ts"
 type RunStatus = 'unknown' | 'waiting' | 'running' | 'success' | 'failure' | 'cancelled' | 'skipped' | 'blocked';
@@ -71,15 +72,6 @@ type LocaleStorageOptions = {
   expandRunning: boolean;
 };
 
-function getLocaleStorageOptions(): LocaleStorageOptions {
-  try {
-    const optsJson = localStorage.getItem('actions-view-options');
-    if (optsJson) return JSON.parse(optsJson);
-  } catch {}
-  // if no options in localStorage, or failed to parse, return default options
-  return {autoScroll: true, expandRunning: false};
-}
-
 export default defineComponent({
   name: 'RepoActionView',
   components: {
@@ -106,7 +98,8 @@ export default defineComponent({
   },
 
   data() {
-    const {autoScroll, expandRunning} = getLocaleStorageOptions();
+    const defaultViewOptions: LocaleStorageOptions = {autoScroll: true, expandRunning: false};
+    const {autoScroll, expandRunning} = localUserSettings.getJsonObject('actions-view-options', defaultViewOptions);
     return {
       // internal state
       loadingAbortController: null as AbortController | null,
@@ -224,7 +217,7 @@ export default defineComponent({
   methods: {
     saveLocaleStorageOptions() {
       const opts: LocaleStorageOptions = {autoScroll: this.optionAlwaysAutoScroll, expandRunning: this.optionAlwaysExpandRunning};
-      localStorage.setItem('actions-view-options', JSON.stringify(opts));
+      localUserSettings.setJsonObject('actions-view-options', opts);
     },
 
     // get the job step logs container ('.job-step-logs')

web_src/js/features/citation.ts

@@ -1,5 +1,6 @@
 import {getCurrentLocale} from '../utils.ts';
 import {fomanticQuery} from '../modules/fomantic/base.ts';
+import {localUserSettings} from '../modules/user-settings.ts';
 
 const {pageData} = window.config;
 
@@ -38,7 +39,7 @@ export async function initCitationFileCopyContent() {
   if ((!citationCopyApa && !citationCopyBibtex) || !inputContent) return;
 
   const updateUi = () => {
-    const isBibtex = (localStorage.getItem('citation-copy-format') || defaultCitationFormat) === 'bibtex';
+    const isBibtex = localUserSettings.getString('citation-copy-format', defaultCitationFormat) === 'bibtex';
     const copyContent = (isBibtex ? citationCopyBibtex : citationCopyApa).getAttribute('data-text')!;
     inputContent.value = copyContent;
     citationCopyBibtex.classList.toggle('primary', isBibtex);
@@ -55,12 +56,12 @@ export async function initCitationFileCopyContent() {
     updateUi();
 
     citationCopyApa.addEventListener('click', () => {
-      localStorage.setItem('citation-copy-format', 'apa');
+      localUserSettings.setString('citation-copy-format', 'apa');
       updateUi();
     });
 
     citationCopyBibtex.addEventListener('click', () => {
-      localStorage.setItem('citation-copy-format', 'bibtex');
+      localUserSettings.setString('citation-copy-format', 'bibtex');
       updateUi();
     });
 

web_src/js/features/comp/ComboMarkdownEditor.ts

@@ -24,6 +24,7 @@ import {DropzoneCustomEventReloadFiles, initDropzone} from '../dropzone.ts';
 import {createTippy} from '../../modules/tippy.ts';
 import {fomanticQuery} from '../../modules/fomantic/base.ts';
 import type EasyMDE from 'easymde';
+import {localUserSettings} from '../../modules/user-settings.ts';
 
 /**
  * validate if the given textarea is non-empty.
@@ -81,6 +82,8 @@ export class ComboMarkdownEditor {
   textareaMarkdownToolbar: HTMLElement;
   textareaAutosize: any;
 
+  buttonMonospace: HTMLButtonElement;
+
   dropzone: HTMLElement | null;
   attachedDropzoneInst: any;
 
@@ -140,19 +143,13 @@ export class ComboMarkdownEditor {
       if (el.nodeName === 'BUTTON' && !el.getAttribute('type')) el.setAttribute('type', 'button');
     }
 
-    const monospaceButton = this.container.querySelector('.markdown-switch-monospace')!;
+    this.buttonMonospace = this.container.querySelector('.markdown-switch-monospace')!;
-    const monospaceEnabled = localStorage?.getItem('markdown-editor-monospace') === 'true';
+    this.applyMonospace();
-    const monospaceText = monospaceButton.getAttribute(monospaceEnabled ? 'data-disable-text' : 'data-enable-text')!;
+    this.buttonMonospace.addEventListener('click', (e) => {
-    monospaceButton.setAttribute('data-tooltip-content', monospaceText);
-    monospaceButton.setAttribute('aria-checked', String(monospaceEnabled));
-    monospaceButton.addEventListener('click', (e) => {
       e.preventDefault();
-      const enabled = localStorage?.getItem('markdown-editor-monospace') !== 'true';
+      const enabled = !localUserSettings.getBoolean('markdown-editor-monospace');
-      localStorage.setItem('markdown-editor-monospace', String(enabled));
+      localUserSettings.setBoolean('markdown-editor-monospace', enabled);
-      this.textarea.classList.toggle('tw-font-mono', enabled);
+      applyMonospaceToAllEditors();
-      const text = monospaceButton.getAttribute(enabled ? 'data-disable-text' : 'data-enable-text')!;
-      monospaceButton.setAttribute('data-tooltip-content', text);
-      monospaceButton.setAttribute('aria-checked', String(enabled));
     });
 
     if (this.supportEasyMDE) {
@@ -403,10 +400,27 @@ export class ComboMarkdownEditor {
   }
 
   get userPreferredEditor(): string {
-    return window.localStorage.getItem(`markdown-editor-${this.previewMode ?? 'default'}`) || '';
+    return localUserSettings.getString(`markdown-editor-${this.previewMode ?? 'default'}`);
   }
+
   set userPreferredEditor(s: string) {
-    window.localStorage.setItem(`markdown-editor-${this.previewMode ?? 'default'}`, s);
+    localUserSettings.setString(`markdown-editor-${this.previewMode ?? 'default'}`, s);
+  }
+
+  applyMonospace() {
+    const enabled = localUserSettings.getBoolean('markdown-editor-monospace');
+    const text = this.buttonMonospace.getAttribute(enabled ? 'data-disable-text' : 'data-enable-text')!;
+    this.textarea.classList.toggle('tw-font-mono', enabled);
+    this.buttonMonospace.setAttribute('data-tooltip-content', text);
+    this.buttonMonospace.setAttribute('aria-checked', String(enabled));
+  }
+}
+
+function applyMonospaceToAllEditors() {
+  const editors = document.querySelectorAll<ComboMarkdownEditorContainer>('.combo-markdown-editor');
+  for (const editorContainer of editors) {
+    const editor = getComboMarkdownEditor(editorContainer);
+    if (editor) editor.applyMonospace();
   }
 }
 

web_src/js/features/repo-common.ts

@@ -6,6 +6,7 @@ import RepoActivityTopAuthors from '../components/RepoActivityTopAuthors.vue';
 import {createApp} from 'vue';
 import {toOriginUrl} from '../utils/url.ts';
 import {createTippy} from '../modules/tippy.ts';
+import {localUserSettings} from '../modules/user-settings.ts';
 
 async function onDownloadArchive(e: Event) {
   e.preventDefault();
@@ -57,7 +58,7 @@ function initCloneSchemeUrlSelection(parent: Element) {
   const tabSsh = parent.querySelector('.repo-clone-ssh');
   const tabTea = parent.querySelector('.repo-clone-tea');
   const updateClonePanelUi = function() {
-    let scheme = localStorage.getItem('repo-clone-protocol')!;
+    let scheme = localUserSettings.getString('repo-clone-protocol');
     if (!['https', 'ssh', 'tea'].includes(scheme)) {
       scheme = 'https';
     }
@@ -114,15 +115,15 @@ function initCloneSchemeUrlSelection(parent: Element) {
   updateClonePanelUi();
   // tabSsh or tabHttps might not both exist, eg: guest view, or one is disabled by the server
   tabHttps?.addEventListener('click', () => {
-    localStorage.setItem('repo-clone-protocol', 'https');
+    localUserSettings.setString('repo-clone-protocol', 'https');
     updateClonePanelUi();
   });
   tabSsh?.addEventListener('click', () => {
-    localStorage.setItem('repo-clone-protocol', 'ssh');
+    localUserSettings.setString('repo-clone-protocol', 'ssh');
     updateClonePanelUi();
   });
   tabTea?.addEventListener('click', () => {
-    localStorage.setItem('repo-clone-protocol', 'tea');
+    localUserSettings.setString('repo-clone-protocol', 'tea');
     updateClonePanelUi();
   });
   elCloneUrlInput.addEventListener('focus', () => {

web_src/js/globals.d.ts

@@ -77,6 +77,7 @@ interface Window {
     push: (e: ErrorEvent & PromiseRejectionEvent) => void | number,
   },
   codeEditors: any[], // export editor for customization
+  localUserSettings: typeof import('./modules/user-settings.ts').localUserSettings,
 
   // various captcha plugins
   grecaptcha: any,

web_src/js/index.ts

@@ -6,6 +6,7 @@ import './bootstrap.ts';
 import './globals.ts';
 
 import './webcomponents/index.ts';
+import './modules/user-settings.ts'; // templates also need to use localUserSettings in inline scripts
 import {onDomReady} from './utils/dom.ts';
 
 // TODO: There is a bug in htmx, it incorrectly checks "readyState === 'complete'" when the DOM tree is ready and won't trigger DOMContentLoaded

web_src/js/modules/user-settings.ts

@@ -0,0 +1,72 @@
+// Some people deploy Gitea under a subpath, so it needs prefix to avoid local storage key conflicts.
+// And these keys are for user settings only, it also needs a specific prefix,
+// in case in the future there are other uses of local storage, and/or we need to clear some keys when the quota is exceeded.
+const itemKeyPrefix = 'gitea:setting:';
+
+function handleLocalStorageError(e: any) {
+  // in the future, maybe we need to handle quota exceeded errors differently
+  console.error('Error using local storage for user settings', e);
+}
+
+function getLocalStorageUserSetting(settingKey: string): string | null {
+  const legacyKey = settingKey;
+  const itemKey = `${itemKeyPrefix}${settingKey}`;
+  try {
+    const legacyValue = localStorage?.getItem(legacyKey) ?? null;
+    const value = localStorage?.getItem(itemKey) ?? null; // avoid undefined
+    if (value !== null && legacyValue !== null) {
+      // if both values exist, remove the legacy one
+      localStorage?.removeItem(legacyKey);
+    } else if (value === null && legacyValue !== null) {
+      // migrate legacy value to new key
+      localStorage?.removeItem(legacyKey);
+      localStorage?.setItem(itemKey, legacyValue);
+      return legacyValue;
+    }
+    return value;
+  } catch (e) {
+    handleLocalStorageError(e);
+  }
+  return null;
+}
+
+function setLocalStorageUserSetting(settingKey: string, value: string) {
+  const legacyKey = settingKey;
+  const itemKey = `${itemKeyPrefix}${settingKey}`;
+  try {
+    localStorage?.removeItem(legacyKey);
+    localStorage?.setItem(itemKey, value);
+  } catch (e) {
+    handleLocalStorageError(e);
+  }
+}
+
+export const localUserSettings = {
+  getString: (key: string, def: string = ''): string => {
+    return getLocalStorageUserSetting(key) ?? def;
+  },
+  setString: (key: string, value: string) => {
+    setLocalStorageUserSetting(key, value);
+  },
+  getBoolean: (key: string, def: boolean = false): boolean => {
+    return localUserSettings.getString(key, String(def)) === 'true';
+  },
+  setBoolean: (key: string, value: boolean) => {
+    localUserSettings.setString(key, String(value));
+  },
+  getJsonObject: <T extends Record<string, any>>(key: string, def: T): T => {
+    const value = getLocalStorageUserSetting(key);
+    try {
+      const decoded = value !== null ? JSON.parse(value) : def;
+      return decoded ?? def;
+    } catch (e) {
+      console.error(`Unable to parse JSON value for local user settings ${key}=${value}`, e);
+    }
+    return def;
+  },
+  setJsonObject: <T extends Record<string, any>>(key: string, value: T) => {
+    localUserSettings.setString(key, JSON.stringify(value));
+  },
+};
+
+window.localUserSettings = localUserSettings;