ADD: Edit Notes

.idea/inspectionProfiles/Project_Default.xml

@@ -40,6 +40,9 @@
     <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
     </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
     </inspection_tool>

app/src/main/java/come/stormborntales/notevault/MainActivity.kt

@@ -2,27 +2,23 @@ package come.stormborntales.notevault
 
 import android.net.Uri
 import android.os.Bundle
-import android.webkit.MimeTypeMap
+import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.compose.setContent
-import androidx.activity.result.PickVisualMediaRequest
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.runtime.*
 import androidx.compose.ui.platform.LocalContext
 import androidx.lifecycle.viewmodel.compose.viewModel
 import come.stormborntales.notevault.data.local.AppDatabase
-import come.stormborntales.notevault.data.model.NoteEntry
+import come.stormborntales.notevault.data.local.entity.NoteEntity
 import come.stormborntales.notevault.data.repository.NoteRepository
 import come.stormborntales.notevault.ui.screens.AddNoteDialog
 import come.stormborntales.notevault.ui.screens.MainScreen
 import come.stormborntales.notevault.ui.theme.NoteVaultTheme
 import come.stormborntales.notevault.ui.viewmodel.NoteViewModel
 import come.stormborntales.notevault.ui.viewmodel.NoteViewModelFactory
-import kotlinx.coroutines.Dispatchers
+
-import kotlinx.coroutines.launch
-import java.io.File
-import java.io.InputStream
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -35,11 +31,6 @@ class MainActivity : ComponentActivity() {
         setContent {
             NoteVaultTheme {
                 val viewModel: NoteViewModel = viewModel(factory = viewModelFactory)
-                val context = LocalContext.current
-
-                // Globale Notenliste
-                val notes = remember { mutableStateListOf<NoteEntry>() }
-
                 // Bildauswahl + Dialog-States
                 var selectedUris by remember { mutableStateOf<List<Uri>>(emptyList()) }
                 var showDialog by remember { mutableStateOf(false) }
@@ -55,6 +46,15 @@ class MainActivity : ComponentActivity() {
                     }
                 )
 
+                var noteToEdit by remember { mutableStateOf<NoteEntity?>(null) }
+
+                // Dialog anzeigen
+                val openDialog: (NoteEntity?) -> Unit = { note ->
+                    Log.d("EditNote", "NoteEntity: " + note?.title)
+                    noteToEdit = note
+                    showDialog = true
+                }
+
                 // UI anzeigen
                 MainScreen(
                     viewModel = viewModel,
@@ -62,7 +62,8 @@ class MainActivity : ComponentActivity() {
                         imagePickerLauncher.launch(
                             arrayOf("image/*")
                         )
-                    }
+                    },
+                    onEditNote = openDialog
                 )
 
                 // Dialog bei Bedarf
@@ -72,6 +73,7 @@ class MainActivity : ComponentActivity() {
                     AddNoteDialog(
                         onDismiss = { showDialog = false },
                         onSave = { title, composer, year, genre, description ->
+                            if(noteToEdit == null) {
                                 viewModel.addNote(
                                     context = context,
                                     title = title,
@@ -82,7 +84,23 @@ class MainActivity : ComponentActivity() {
                                     selectedUris = selectedUris,
                                     onDone = { showDialog = false }
                                 )
+                            } else {
+                               viewModel.updateNote(
+                                   editedNote = noteToEdit!!,
+                                   updatedTitle = title,
+                                   updatedComposer = composer,
+                                   updatedYear = year,
+                                   updatedGenre = genre,
+                                   updatedDescription = description,
+                                   onDone = { showDialog = false }
+                               )
                             }
+                        },
+                        initialTitle = noteToEdit?.title ?: "",
+                        initialComposer = noteToEdit?.composer,
+                        initialYear = noteToEdit?.year,
+                        initialGenre = noteToEdit?.genre,
+                        initialDescription = noteToEdit?.description
                     )
                 }
             }

app/src/main/java/come/stormborntales/notevault/data/local/dao/NoteDao.kt

@@ -5,6 +5,7 @@ import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.Update
 import come.stormborntales.notevault.data.local.entity.NoteEntity
 import kotlinx.coroutines.flow.Flow
 
@@ -18,4 +19,7 @@ interface NoteDao {
 
     @Delete
     suspend fun delete(note: NoteEntity)
+
+    @Update
+    suspend fun update(note: NoteEntity)
 }

app/src/main/java/come/stormborntales/notevault/data/local/entity/NoteEntity.kt

@@ -6,11 +6,11 @@ import androidx.room.PrimaryKey
 @Entity(tableName = "notes")
 data class NoteEntity(
     @PrimaryKey(autoGenerate = true) val id: Int = 0,
-    val title: String,
+    var title: String,
     val images: List<String>, // oder String + TypeConverter
-    val composer: String?,
+    var composer: String?,
-    val year: Int?,
+    var year: Int?,
-    val genre: String?,
+    var genre: String?,
-    val description: String?,
+    var description: String?,
     val imagePreview: String
 )

app/src/main/java/come/stormborntales/notevault/data/repository/NoteRepository.kt

@@ -9,4 +9,6 @@ class NoteRepository(private val dao: NoteDao) {
 
     suspend fun insert(note: NoteEntity) = dao.insert(note)
     suspend fun delete(note: NoteEntity) = dao.delete(note)
+
+    suspend fun update(note: NoteEntity) = dao.update(note);
 }

app/src/main/java/come/stormborntales/notevault/ui/screens/AddNoteDialog.kt

@@ -14,15 +14,21 @@ import androidx.compose.ui.unit.dp
 @Composable
 fun AddNoteDialog(
     onDismiss: () -> Unit,
-    onSave: (title: String, composer: String?, year: Int?, genre: String?, description: String?) -> Unit
+    onSave: (title: String, composer: String?, year: Int?, genre: String?, description: String?) -> Unit,
+    initialTitle: String = "",
+    initialComposer: String? = null,
+    initialYear: Int? = null,
+    initialGenre: String? = null,
+    initialDescription: String? = null
 ) {
-    var title by remember { mutableStateOf("") }
+    var title by remember { mutableStateOf(initialTitle) }
-    var composer by remember { mutableStateOf("") }
+    var composer by remember { mutableStateOf(initialComposer ?: "") }
-    var yearText by remember { mutableStateOf("") }
+    var yearText by remember { mutableStateOf(initialYear?.toString() ?: "") }
-    var genre by remember { mutableStateOf("") }
+    var genre by remember { mutableStateOf(initialGenre ?: "") }
-    var description by remember { mutableStateOf("") }
+    var description by remember { mutableStateOf(initialDescription ?: "") }
     var showTitleError by remember { mutableStateOf(false) }
 
+
     AlertDialog(
         onDismissRequest = onDismiss,
         confirmButton = {

app/src/main/java/come/stormborntales/notevault/ui/screens/MainScreen.kt

@@ -6,6 +6,7 @@ import android.graphics.BitmapFactory
 import android.graphics.ImageDecoder
 import android.media.Image
 import android.net.Uri
+import android.util.Log
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
@@ -45,7 +46,7 @@ fun loadImageBitmap(context: Context, uriString: String): ImageBitmap? {
 }
 
 @Composable
-fun NoteCard(note: NoteEntity, onDeleteNote: (NoteEntity) -> Unit) {
+fun NoteCard(note: NoteEntity, onDeleteNote: (NoteEntity) -> Unit, onEditNote: (NoteEntity) -> Unit) {
     val context = LocalContext.current
 
 
@@ -71,7 +72,7 @@ fun NoteCard(note: NoteEntity, onDeleteNote: (NoteEntity) -> Unit) {
                 modifier = Modifier
                     .weight(1f)
                     .align(Alignment.CenterVertically)
-                    .padding(start=16.dp)
+                    .padding(start = 16.dp)
             ) {
                 Text(
                     text = note.title,
@@ -116,7 +117,10 @@ fun NoteCard(note: NoteEntity, onDeleteNote: (NoteEntity) -> Unit) {
                         Text("Anzeigen", style = MaterialTheme.typography.labelLarge)
                     }
                     OutlinedButton(
-                        onClick = { /* TODO */ },
+                        onClick = {
+                            onEditNote(note)
+                            Log.d("EditNote", "on Edit Note!")
+                        },
                         contentPadding = PaddingValues(horizontal = 12.dp, vertical = 4.dp)
                     ) {
                         Text("Bearbeiten", style = MaterialTheme.typography.labelLarge)
@@ -143,7 +147,8 @@ fun NoteCard(note: NoteEntity, onDeleteNote: (NoteEntity) -> Unit) {
 @Composable
 fun MainScreen(
     onAddNoteClicked: () -> Unit, // Übergib hier deine Logik für den Import
-    viewModel: NoteViewModel
+    viewModel: NoteViewModel,
+    onEditNote: (NoteEntity) -> Unit
 ) {
     val notes by viewModel.notes.observeAsState(emptyList())
     Scaffold(
@@ -168,9 +173,9 @@ fun MainScreen(
                 .padding(16.dp)
         ) {
             items(notes) { note ->
-                NoteCard(note = note, onDeleteNote = {noteEntity ->
+                NoteCard(note = note, onDeleteNote = { noteEntity ->
                     viewModel.deleteNote(noteEntity)
-                })
+                }, onEditNote = onEditNote)
             }
         }
     }

app/src/main/java/come/stormborntales/notevault/ui/viewmodel/NoteViewModel.kt

@@ -14,7 +14,6 @@ import come.stormborntales.notevault.data.repository.NoteRepository
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.File
-import java.io.InputStream
 import androidx.core.graphics.scale
 
 class NoteViewModel(
@@ -86,4 +85,26 @@ class NoteViewModel(
             repository.delete(note)
         }
     }
+
+    fun updateNote(
+        editedNote: NoteEntity,
+        updatedTitle: String,
+        updatedComposer: String?,
+        updatedYear: Int?,
+        updatedGenre: String?,
+        updatedDescription: String?,
+        onDone: () -> Unit
+    ) {
+        viewModelScope.launch {
+            editedNote.title = updatedTitle
+            editedNote.year = updatedYear;
+            editedNote.composer = updatedComposer
+            editedNote.genre = updatedGenre
+            editedNote.description = updatedDescription
+
+            repository.update(editedNote)
+
+            onDone()
+        }
+    }
 }