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MOBILE-4565 rte: Fix rte focus and blur problems

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This commit is contained in:
Pau Ferrer Ocaña 2024-04-22 14:37:29 +02:00
parent 64ce8c78f6
commit f9ddfb48c9
6 changed files with 72 additions and 38 deletions
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src/addons/mod/forum/tests/behat/snapshots/test-basic-usage-of-forum-activity-in-app-reply-a-post_14.png
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3
src/core/features/editor/components/rich-text-editor/core-editor-rich-text-editor.html
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@ -1,8 +1,7 @@
<div class="core-rte-editor-container" (click)="focusRTE()" [class.toolbar-hidden]="toolbarHidden">
<div [hidden]="!rteEnabled" #editor class="core-rte-editor" role="textbox" contenteditable="true"
[attr.aria-labelledby]="ariaLabelledBy" [attr.data-placeholder-text]="placeholder" (focus)="showToolbar($event)"
(blur)="hideToolbar($event)" (keydown)="onKeyDown($event)" (keyup)="onChange()" (change)="onChange()" (paste)="onChange()"
(input)="onChange()">
(blur)="hideToolbar($event)" (keydown)="onKeyDown($event)">
</div>
<ion-textarea [hidden]="rteEnabled" #textarea class="core-textarea" role="textbox" [attr.name]="name" ngControl="control"

15
src/core/features/editor/components/rich-text-editor/rich-text-editor.scss
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@ -23,6 +23,18 @@
display: flex;
flex-direction: column;
background: var(--background);
border: 1px solid var(--stroke);
border-radius: var(--mdl-shape-borderRadius-md);
&:focus-within {
border-color: var(--a11y-focus-color);
border-width: 2px;
outline: none !important;
}
.core-rte-editor, .core-textarea, textarea {
outline: none !important;
}
.core-rte-editor-container {
max-height: calc(100% - 46px);
@ -105,7 +117,6 @@
flex-grow: 0;
flex-shrink: 0;
background-color: var(--toobar-background);
padding-top: 5px;
border-top: 1px solid var(--stroke);
swiper-container {
@ -122,7 +133,7 @@
height: 36px;
padding-right: 6px;
padding-left: 6px;
margin: 0 auto;
margin: 2px auto;
font-size: 18px;
background-color: var(--toobar-background);
border-radius: var(--mdl-shape-borderRadius-xs);

88
src/core/features/editor/components/rich-text-editor/rich-text-editor.ts
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@ -115,6 +115,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
protected keyboardObserver?: CoreEventObserver;
protected resetObserver?: CoreEventObserver;
protected labelObserver?: MutationObserver;
protected contentObserver?: MutationObserver;
protected initHeightInterval?: number;
protected isCurrentView = true;
protected toolbarButtonWidth = 44;
@ -126,7 +127,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
protected draftWasRestored = false;
protected originalContent?: string;
protected resizeFunction?: () => Promise<number>;
protected selectionChangeFunction?: () => void;
protected selectionChangeFunction = (): void => this.updateToolbarStyles();
protected languageChangedSubscription?: Subscription;
protected resizeListener?: CoreEventObserver;
protected domPromise?: CoreCancellablePromise<void>;
@ -226,6 +227,15 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
}
ionItem.classList.add('item-rte');
if (this.editorElement) {
const debounceMutation = CoreUtils.debounce(() => {
this.onChange();
}, 20);
this.contentObserver = new MutationObserver(debounceMutation);
this.contentObserver.observe(this.editorElement, { childList: true, subtree: true, characterData: true });
}
const label = ionItem.querySelector('ion-label');
if (!label) {
@ -253,7 +263,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
protected setListeners(): void {
// Listen for changes on the control to update the editor (if it is updated from outside of this component).
this.valueChangeSubscription = this.control?.valueChanges.subscribe((newValue) => {
if (this.draftWasRestored && this.originalContent == newValue) {
if (this.draftWasRestored && this.originalContent === newValue) {
// A draft was restored and the content hasn't changed in the site. Use the draft value instead of this one.
this.control?.setValue(this.lastDraft, { emitEvent: false });
@ -282,7 +292,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
this.windowResized();
}, 50);
document.addEventListener('selectionchange', this.selectionChangeFunction = () => this.updateToolbarStyles());
document.addEventListener('selectionchange', this.selectionChangeFunction);
this.keyboardObserver = CoreEvents.on(CoreEvents.KEYBOARD_CHANGE, () => {
// Opening or closing the keyboard also calls the resize function, but sometimes the resize is called too soon.
@ -304,8 +314,6 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @param event Event
*/
onKeyDown(event: KeyboardEvent): void {
this.onChange();
const shortcutId = this.getShortcutId(event);
const commands = this.getShortcutCommands();
const command = commands[shortcutId];
@ -364,7 +372,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
// Get first children with content, not fixed.
let scrollContentHeight = 0;
while (scrollContentHeight == 0 && content?.children) {
while (scrollContentHeight === 0 && content?.children) {
const children = Array.from(content.children)
.filter((element) => element.slot !== 'fixed' && !element.classList.contains('core-loading-container'));
@ -489,7 +497,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @param event The event.
*/
async toggleEditor(event: Event): Promise<void> {
if (event.type == 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
@ -581,7 +589,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @returns If value is null only a white space.
*/
protected isNullOrWhiteSpace(value: string | null | undefined): boolean {
if (value == null || value === undefined) {
if (value === null || value === undefined) {
return true;
}
@ -602,10 +610,17 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
}
if (this.isNullOrWhiteSpace(value)) {
this.editorElement.innerHTML = '<p></p>';
// Avoid loops.
if (this.editorElement.innerHTML !== '<p></p>') {
this.editorElement.innerHTML = '<p></p>';
}
this.textarea.value = '';
} else {
this.editorElement.innerHTML = value || '';
value = value || '';
// Avoid loops.
if (this.editorElement.innerHTML !== value) {
this.editorElement.innerHTML = value;
}
this.textarea.value = value;
this.treatExternalContent();
}
@ -637,7 +652,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* toolbar styles button when set.
*/
buttonAction(event: Event, command: string, parameters?: string): void {
if (event.type == 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
@ -659,7 +674,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @param command.parameters Command parameters.
*/
protected executeCommand({ name: command, parameters }: EditorCommand): void {
if (parameters == 'block') {
if (parameters === 'block') {
// eslint-disable-next-line deprecation/deprecation
document.execCommand('formatBlock', false, '<' + command + '>');
@ -676,7 +691,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
// Modern browsers are using non a11y tags, so replace them.
if (command === 'bold') {
this.replaceTags(['b'], ['strong']);
} else if (command == 'italic') {
} else if (command === 'italic') {
this.replaceTags(['i'], ['em']);
}
}
@ -715,14 +730,14 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @param event Event.
* @param force If true it will not check the target of the event.
*/
hideToolbar(event: Event, force = false): void {
hideToolbar(event: FocusEvent | KeyboardEvent | MouseEvent, force = false): void {
if (!force && event.target && this.element.contains(event.target as HTMLElement)) {
// Do not hide if clicked inside the editor area, except forced.
return;
}
if (event.type == 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
@ -748,7 +763,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
/**
* Show the toolbar.
*/
showToolbar(event: Event): void {
showToolbar(event: FocusEvent): void {
this.updateToolbarButtons();
this.element.classList.add('ion-touched');
@ -779,14 +794,14 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @param event Event.
*/
downAction(event: Event): void {
if (event.type == 'keydown' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keydown' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
const selection = window.getSelection()?.toString();
// When RTE is focused with a whole paragraph in desktop the stopBubble will not fire click.
if (CorePlatform.isMobile() || !this.rteEnabled || document.activeElement != this.editorElement || selection == '') {
if (CorePlatform.isMobile() || !this.rteEnabled || document.activeElement != this.editorElement || selection === '') {
this.stopBubble(event);
}
}
@ -795,7 +810,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* Method that shows the next toolbar buttons.
*/
async toolbarNext(event: Event): Promise<void> {
if (event.type == 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
@ -813,7 +828,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* Method that shows the previous toolbar buttons.
*/
async toolbarPrev(event: Event): Promise<void> {
if (event.type == 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
@ -831,7 +846,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* Update the number of toolbar buttons displayed.
*/
async updateToolbarButtons(): Promise<void> {
if (!this.isCurrentView || !this.toolbar || !this.toolbarSlides || this.element.offsetParent == null) {
if (!this.isCurrentView || !this.toolbar || !this.toolbarSlides || this.element.offsetParent === null) {
// Don't calculate if component isn't in current view, the calculations are wrong.
return;
}
@ -879,15 +894,18 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
*/
updateToolbarStyles(): void {
const node = window.getSelection()?.focusNode;
if (!node) {
if (!node || !this.element.contains(node)) {
return;
}
let element = node.nodeType == 1 ? node as HTMLElement : node.parentElement;
let element = node.nodeType === 1 ? node as HTMLElement : node.parentElement;
const styles = {};
while (element != null && element !== this.editorElement) {
while (element !== null && element !== this.editorElement) {
const tagName = element.tagName.toLowerCase();
if (this.toolbarStyles[tagName]) {
styles[tagName] = 'true';
}
@ -906,7 +924,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
/**
* Check if should auto save drafts.
*
* @returns {boolean} Whether it should auto save drafts.
* @returns Whether it should auto save drafts.
*/
protected shouldAutoSaveDrafts(): boolean {
return !!CoreSites.getCurrentSite() &&
@ -943,8 +961,8 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
let draftText = entry.drafttext || '';
// Revert untouched editor contents to an empty string.
if (draftText == '<p></p>' || draftText == '<p><br></p>' || draftText == '<br>' ||
draftText == '<p>&nbsp;</p>' || draftText == '<p><br>&nbsp;</p>') {
if (draftText === '<p></p>' || draftText === '<p><br></p>' || draftText === '<br>' ||
draftText === '<p>&nbsp;</p>' || draftText === '<p><br>&nbsp;</p>') {
draftText = '';
}
@ -977,7 +995,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
const newText = this.control.value ?? '';
if (this.lastDraft == newText) {
if (this.lastDraft === newText) {
// Text hasn't changed, nothing to save.
return;
}
@ -1009,7 +1027,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
this.resetObserver = CoreEvents.on(CoreEvents.FORM_ACTION, async (data: CoreEventFormActionData) => {
const form = this.element.closest('form');
if (data.form && form && data.form == form) {
if (data.form && form && data.form === form) {
try {
await CoreEditorOffline.deleteDraft(
this.contextLevel || ContextLevel.SYSTEM,
@ -1048,7 +1066,7 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
* @returns Promise resolved when done.
*/
async scanQR(event: Event): Promise<void> {
if (event.type == 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
if (event.type === 'keyup' && !this.isValidKeyboardKey(<KeyboardEvent>event)) {
return;
}
@ -1097,14 +1115,20 @@ export class CoreEditorRichTextEditorComponent implements OnInit, AfterViewInit,
ngOnDestroy(): void {
this.valueChangeSubscription?.unsubscribe();
this.languageChangedSubscription?.unsubscribe();
this.selectionChangeFunction && document.removeEventListener('selectionchange', this.selectionChangeFunction);
document.removeEventListener('selectionchange', this.selectionChangeFunction);
clearInterval(this.initHeightInterval);
clearInterval(this.autoSaveInterval);
clearTimeout(this.hideMessageTimeout);
this.resetObserver?.off();
this.keyboardObserver?.off();
this.labelObserver?.disconnect();
this.resizeListener?.off();
this.labelObserver?.disconnect();
this.contentObserver?.disconnect();
this.domPromise?.cancel();
this.buttonsDomPromise?.cancel();
}

2
src/core/features/login/pages/site/site.ts
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@ -235,7 +235,7 @@ export class CoreLoginSitePage implements OnInit {
/**
* Validate Url.
*
* @returns {ValidatorFn} Validation results.
* @returns Validation results.
*/
protected moodleUrlValidator(): ValidatorFn {
return (control: AbstractControl): ValidationErrors | null => {

2
src/theme/theme.base.scss
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@ -1129,7 +1129,7 @@ td {
@include core-focus-background();
}
:not(.hydrated):not(.native-input) { // Not an ionic component.
:not(.hydrated):not(.native-input):not(.native-textarea) { // Not an ionic component.
@include core-focus-outline();
}