74 lines
1.6 KiB
Dart
74 lines
1.6 KiB
Dart
import 'package:flutter/cupertino.dart';
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/// A "MessageDraft" structure that stores information about in-progress message drafts.
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/// MessageDraft stores text, quoted replies, and attached images.
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/// Only one draft is stored per conversation.
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class MessageDraft extends ChangeNotifier {
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QuotedReference? _quotedReference;
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int? _inviteHandle;
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TextEditingController ctrlCompose = TextEditingController();
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static MessageDraft empty() {
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return MessageDraft();
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}
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bool isEmpty() {
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return (this._quotedReference == null) || (this.messageText.isEmpty);
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}
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String get messageText => ctrlCompose.text;
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set messageText(String text) {
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this.ctrlCompose.text = text;
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notifyListeners();
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}
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set quotedReference(int index) {
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this._quotedReference = QuotedReference(index);
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notifyListeners();
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}
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void attachInvite(int handle) {
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this._inviteHandle = handle;
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notifyListeners();
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}
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int? getInviteHandle() {
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return this._inviteHandle;
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}
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QuotedReference? getQuotedMessage() {
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return this._quotedReference;
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}
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void clearQuotedReference() {
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this._quotedReference = null;
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notifyListeners();
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}
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void clearDraft() {
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this._quotedReference = null;
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this.ctrlCompose.clear();
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this.ctrlCompose.clearComposing();
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this.ctrlCompose.text = "";
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this._inviteHandle = null;
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notifyListeners();
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}
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@override
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void dispose() {
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ctrlCompose.dispose();
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super.dispose();
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}
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void clearInvite() {
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this._inviteHandle = null;
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}
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}
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/// A QuotedReference encapsulates the state of replied-to message.
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class QuotedReference {
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int index;
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QuotedReference(this.index);
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}
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