show last modified time in edit note page

lib/pages/editNotePage.dart

@@ -1,8 +1,11 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:notes/models/note.dart';
 import 'package:notes/providers/providers.dart';
 import 'package:notes/utils/constants.dart';
+import 'package:notes/widgets/last_edited_label.dart';
 import 'package:notes/widgets/note_pin.dart';
 import 'package:share_plus/share_plus.dart';
 
@@ -17,28 +20,42 @@ class EditNotePage extends StatefulWidget {
 class _EditNotePageState extends State<EditNotePage> {
   TextEditingController t1;
   TextEditingController t2;
-  bool isEdited;
   Note currentNote;
   int isPinned;
-
+  bool isEdited;
   @override
   void initState() {
     super.initState();
-    isEdited = false;
 
-    t1 = TextEditingController();
-    t2 = TextEditingController();
     currentNote = context.read(NoteProvider(widget.id));
     isPinned = currentNote.isPinned;
+
+    t1 = TextEditingController();
+    t2 = TextEditingController();
+
+    // make sure to add listeners after the intial value has been set
+    // because we don't to notify listeners when the initial value is set
+
     t1.text = currentNote.title;
+    t1.addListener(() {
+      // this fixes the issue where all listeners were notified When TextField was focused
+      t1.value = TextEditingValue(text: t1.text,selection: TextSelection.collapsed(offset: t1.text.length));
+    });
+
     t2.text = currentNote.content;
+     t2.addListener(() {
+       // this fixes the issue where all listeners were notified When TextField was focused
+      t2.value = TextEditingValue(text: t2.text,selection: TextSelection.collapsed(offset: t2.text.length));
+    });
 
+    isEdited = a.value;
   }
 
   @override
   void dispose() {
     t1.dispose();
     t2.dispose();
+    a.value = false;
     super.dispose();
   }
 
@@ -70,9 +87,10 @@ class _EditNotePageState extends State<EditNotePage> {
                 bool isDiscarded = false;
                 if (isEdited) {
                   isDiscarded = await _updateOrDiscard(
-                      context, t1.text, t2.text, currentNote,isPinned);
+                      context, t1.text, t2.text, currentNote, isPinned);
                 }
                 Navigator.pop(context, isDiscarded);
+
               }),
           actions: [
             // Consumer(
@@ -96,12 +114,18 @@ class _EditNotePageState extends State<EditNotePage> {
             //     }
             //   },
             // ),
-            NotePin(isPinned: isPinned,onChanged: (val){
+            NotePin(
+              isPinned: isPinned,
+              onChanged: (val) {
               isPinned = val;
               isEdited = true;
-            },),
-            IconButton(icon: Icon(Icons.share), onPressed: (){
-              Share.share(t1.text + '\n' + t2.text,subject: t1.text);
+                a.value = true;
+              },
+            ),
+            IconButton(
+                icon: Icon(Icons.share),
+                onPressed: () {
+                  Share.share(t1.text + '\n' + t2.text, subject: t1.text);
             })
           ],
         ),
@@ -110,9 +134,10 @@ class _EditNotePageState extends State<EditNotePage> {
             bool isDiscarded = false;
             if (isEdited) {
               isDiscarded = await _updateOrDiscard(
-                  context, t1.text, t2.text, currentNote,isPinned);
+                  context, t1.text, t2.text, currentNote, isPinned);
             }
             Navigator.pop(context, isDiscarded);
+
             return false;
           },
           child: SingleChildScrollView(
@@ -126,10 +151,11 @@ class _EditNotePageState extends State<EditNotePage> {
                   Column(
                     children: [
                       TextField(
-                        onChanged: (_) {
+                        onChanged: (val) {
                           isEdited = true;
+                          a.value = true;
                         },
-                        showCursor: true,
+                        // showCursor: true,
                         autofocus: true,
                         style: const TextStyle(
                           fontSize: 25,
@@ -144,8 +170,9 @@ class _EditNotePageState extends State<EditNotePage> {
                             border: InputBorder.none),
                       ),
                       TextField(
-                        onChanged: (_) {
+                        onChanged: (val) {
                           isEdited = true;
+                          a.value = true;
                         },
                         style: const TextStyle(color: Colors.white),
                         maxLines: null,
@@ -163,6 +190,20 @@ class _EditNotePageState extends State<EditNotePage> {
             ),
           ),
         ),
+        bottomSheet: Container(
+          height: 50.0,
+          // padding: EdgeInsets.only(bottom: 8.0),
+          color: kBackgroundColor,
+          child: Column(
+            children: [
+              Center(
+                child: LastEditedLabel(
+                  last_updated: currentNote.last_updated,
+                ),
+              )
+            ],
+          ),
+        ),
       ),
     );
   }
@@ -189,20 +230,18 @@ Future<bool> _updateOrDiscard(
     newNote.id = currentNote.id;
     // if isPinned is changed update the note and also update HomePage
     bool _shouldUpdateHomePage = false;
-    if(currentNote.isPinned != isPinned){
+    if (currentNote.isPinned != isPinned) {
       _shouldUpdateHomePage = true;
     }
     // update note
     await context.read(NoteProvider(currentNote.id)).update(newNote);
 
     // setPin() and unsetPin methods will update the homepage if it should be updated
-    if(_shouldUpdateHomePage && isPinned == 1){
+    if (_shouldUpdateHomePage && isPinned == 1) {
       context.read(NoteListViewModelProvider).setPin([newNote]);
-    }
-    else if(_shouldUpdateHomePage && isPinned == 0){
+    } else if (_shouldUpdateHomePage && isPinned == 0) {
       context.read(NoteListViewModelProvider).unsetPin([newNote]);
     }
-
   }
   // if both title and content are note empty then discard the note
   else if (title.trim() == "" && content.trim() == "") {

lib/providers/providers.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:notes/models/note.dart';
 import 'package:notes/models/search_result.dart';
@@ -19,7 +20,6 @@ final AllNotesProvider = FutureProvider<List<Note>>((ref) async {
 });
 
 final PinnedNotesProvider = FutureProvider<List<Note>>((ref) async {
-
   var notes = ref.watch(AllNotesProvider)?.data?.value;
   List<Note> pinnednotes = [];
   notes?.forEach((e) {
@@ -28,7 +28,6 @@ final PinnedNotesProvider = FutureProvider<List<Note>>((ref) async {
   return pinnednotes;
 });
 
-
 final UnPinnedNotesProvider = FutureProvider<List<Note>>((ref) async {
   var notes = ref.watch(AllNotesProvider)?.data?.value;
   List<Note> unpinnednotes = [];
@@ -43,7 +42,7 @@ final UnPinnedNotesProvider = FutureProvider<List<Note>>((ref) async {
 final NoteProvider = ChangeNotifierProvider.family<Note, int>((ref, id) {
   var notelist = ref.watch(AllNotesProvider)?.data?.value;
   ref.onDispose(() {
-    print('note with id: '+id.toString()+' disposed');
+    print('note with id: ' + id.toString() + ' disposed');
   });
   return notelist?.firstWhere((element) => element.id == id);
 });
@@ -59,14 +58,13 @@ final SearchTextProvider = StateProvider<String>((ref) {
   return "";
 });
 
-
 // The [SearchResultClassProvider] provides [SearchResult] instance.
 // It Takes List of Notes from [AllNotesProvider] and
 // The Search Text From [SearchTextProvider]
 final SearchResultClassProvider = ChangeNotifierProvider<SearchResult>((ref) {
   var notelist = ref.watch(AllNotesProvider)?.data?.value;
   String str = ref.watch(SearchTextProvider).state;
-  return SearchResult(notes: notelist,str: str);
+  return SearchResult(notes: notelist, str: str);
 });
 
 // The [AllSearchResultProvider] provides List of Notes From [SearchResult]
@@ -86,3 +84,6 @@ final SingleSearchResultProvider =
 //      .notes_list
 //      .any((element) => element.id == noteId);
 //});
+
+/// isNoteEdited
+ValueNotifier<bool> a = ValueNotifier<bool>(false);

lib/utils/helper_functions.dart

@@ -1,5 +1,6 @@
 import 'package:another_flushbar/flushbar.dart';
 import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
 import 'package:notes/utils/constants.dart';
 
 Flushbar emptyNoteDiscardedFlushbar = Flushbar(
@@ -15,3 +16,26 @@ Flushbar emptyNoteDiscardedFlushbar = Flushbar(
   forwardAnimationCurve: Curves.easeInOut,
   reverseAnimationCurve: Curves.easeInOut,
 );
+
+
+String getLastEdited(String lastEdited){
+  DateTime ledited = DateTime.parse(lastEdited);
+  String result = "";
+  DateTime now = DateTime.now();
+  if(ledited.year < now.year){
+    result = "Edited ${DateFormat().add_d().add_MMM().add_y().format(ledited)}";
+  }
+  else if(ledited.month < now.month){
+    result = "Edited ${DateFormat().add_d().add_MMM().format(ledited)}";
+  }
+  else if((now.day - ledited.day) == 1){
+    result = "Edited Yesterday, ${DateFormat().add_jm().format(ledited)}";
+  }
+  else if(ledited.day < now.day){
+     result = "Edited ${DateFormat().add_d().add_MMM().format(ledited)}";
+  }
+  else if(ledited.hour < now.hour || ledited.second < now.second){
+     result = "Edited ${DateFormat().add_jm().format(ledited)}";
+  }
+  return result;
+}

lib/widgets/last_edited_label.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+import 'package:notes/providers/providers.dart';
+import 'package:notes/utils/helper_functions.dart';
+
+
+class LastEditedLabel extends StatefulWidget {
+  final String last_updated;
+  LastEditedLabel({this.last_updated});
+  @override
+  _LastEditedLabelState createState() => _LastEditedLabelState();
+}
+
+class _LastEditedLabelState extends State<LastEditedLabel> {
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder(
+      valueListenable: a,
+      builder: (context, isEdited, child) {
+        print(isEdited);
+        if (!isEdited) {
+          return Text(
+            getLastEdited(widget.last_updated),
+            style: TextStyle(
+              fontSize: 15.0,
+            ),
+          );
+        }
+        return Container();
+      },
+    );
+  }
+}

pubspec.lock

@@ -114,6 +114,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.14.2"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.0"
   js:
     dependency: transitive
     description:

pubspec.yaml

@@ -31,6 +31,7 @@ dependencies:
   sliver_tools: ^0.2.2
   another_flushbar: ^1.10.23
   share_plus: ^2.1.4
+  intl: ^0.17.0
 
 
   # The following adds the Cupertino Icons font to your application.