FeatureInfo Widget hinzugefügt

app/src/main/java/com/example/snapandsolve/MainScreen.kt

@@ -4,6 +4,7 @@ import MapViewModel
 import android.Manifest
 import android.R.attr.enabled
 import android.app.Application
+import android.graphics.BitmapFactory
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.PickVisualMediaRequest
 import androidx.activity.result.contract.ActivityResultContracts
@@ -30,9 +31,12 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.ImageBitmap
+import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
+import com.arcgismaps.data.ArcGISFeature
 // Hier holen wir die ArcGIS Klassen
 import com.arcgismaps.mapping.ArcGISMap
 import com.arcgismaps.mapping.BasemapStyle
@@ -88,6 +92,8 @@ fun MainScreen(modifier: Modifier = Modifier, application: Application) {
         floatingActionButton = {
             LargeFloatingActionButton(
                 onClick = {
+                    mapViewModel.resetDraft()
+                    mapViewModel.closeFeatureInfo()
                     openReport()
                 },
                 modifier = Modifier.offset(y = 64.dp),
@@ -136,6 +142,14 @@ fun ContentScreen(
             )
         }
 
+        if (mapViewModel.showFeatureInfo && mapViewModel.selectedFeature != null) {
+            FeatureInfoOverlay(
+                feature = mapViewModel.selectedFeature!!,
+                onClose = { mapViewModel.closeFeatureInfo() }
+            )
+        }
+
+
         // Slider von Links
         SideSlider(visible = sliderOpen) {
             Text(
@@ -332,7 +346,11 @@ fun ReportOverlay(
             modifier = Modifier.fillMaxWidth(),
             horizontalArrangement = Arrangement.SpaceBetween
         ) {
-            Button(onClick = { mapViewModel.pickCurrentLocation() }) {
+            Button(
+                onClick = {
+                    mapViewModel.pickCurrentLocation()
+                }
+            ) {
                 Text(if (hasPoint) "Neue Position aus Standort" else "Position aus Standort")
             }
             Button(
@@ -346,3 +364,64 @@ fun ReportOverlay(
         }
     }
 }
+
+@Composable
+fun FeatureInfoOverlay(
+    feature: ArcGISFeature,
+    onClose: () -> Unit
+) {
+    val typ = feature.attributes["Typ"].toString()
+    val beschreibung = feature.attributes["Beschreibung"].toString()
+    val id = feature.attributes["OBJECTID"].toString()
+    var image by remember { mutableStateOf<ImageBitmap?>(null) }
+
+    LaunchedEffect(feature) {
+        image = loadFirstAttachmentBitmap(feature)
+    }
+
+
+    OverlayShell(
+        title = "Meldung $id",
+        footer = {
+            OutlinedButton(
+                onClick = {
+                    onClose()
+                }
+            ) { Text("Schließen", color = Color.Black) }
+        }
+    ) {
+        image?.let {
+            Image(
+                bitmap = it,
+                contentDescription = "Feature Bild",
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(200.dp),
+                contentScale = ContentScale.Crop
+            )
+        }
+        Text("Typ: $typ", color = Color.Black)
+        Text("Beschreibung:", color = Color.Black)
+        Text(beschreibung, color = Color.Black)
+    }
+}
+
+suspend fun loadFirstAttachmentBitmap(
+    feature: ArcGISFeature
+): ImageBitmap? {
+
+    // Feature muss geladen sein
+    feature.load().getOrThrow()
+
+    // Attachments abrufen
+    val attachments = feature.fetchAttachments().getOrThrow()
+
+    val first = attachments.firstOrNull() ?: return null
+
+    // Attachment-Daten laden
+    val data = first.fetchData().getOrThrow()
+
+    val bitmap = BitmapFactory.decodeByteArray(data, 0, data.size)
+    return bitmap.asImageBitmap()
+}
+