Toom to selected Feature

app/src/main/java/de/jadehs/strassenschadenpro2/MainScreen.kt

@@ -36,6 +36,11 @@ fun MainScreen(modifier: Modifier = Modifier, application: Application) {
 
     var selectedIndex by remember { mutableStateOf(0) }
 
+    val mapViewModel = remember { MapViewModel(application) }
+    val listViewModel = remember { ListViewModel(application) }
+
+    var selectedObjectId by remember { mutableStateOf<Int?>(null) }
+
     Scaffold(modifier = Modifier.fillMaxSize(),
         bottomBar = {
             NavigationBar {
@@ -52,18 +57,36 @@ fun MainScreen(modifier: Modifier = Modifier, application: Application) {
             }
         }) {
         innerPadding ->
-        ContentScreen(modifier = Modifier.padding(innerPadding), selectedIndex, application)
+        ContentScreen(modifier = Modifier.padding(innerPadding),
+            selectedIndex,
+            mapViewModel,
+            listViewModel,
+            selectedObjectId,
+            onFeatureSelected = { objectId ->
+                selectedObjectId = objectId
+                selectedIndex = 0
+            },
+            onObjectIdUsed = {
+                selectedObjectId = null
+            })
     }
 }
 
 @Composable
-fun ContentScreen(modifier: Modifier = Modifier, selectedIndex: Int, application: Application) {
-    val mapViewModel = remember { MapViewModel(application) }
-    val listViewModel = remember { ListViewModel(application) }
+fun ContentScreen(
+    modifier: Modifier = Modifier,
+    selectedIndex: Int,
+    mapViewModel: MapViewModel,
+    listViewModel: ListViewModel,
+    selectedObjectId: Int?,
+    onFeatureSelected: (Int) -> Unit,
+    onObjectIdUsed: () -> Unit
+) {
+
     when(selectedIndex) {
-        0 -> MapPage(modifier = modifier, mapViewModel = mapViewModel)
+        0 -> MapPage(modifier = modifier, mapViewModel = mapViewModel,selectedObjectId=selectedObjectId, onObjectIdUsed = onObjectIdUsed)
         1 -> CreatePage(modifier = modifier, mapViewModel = mapViewModel)
-        2 -> ListPage(modifier = modifier, listViewModel = listViewModel)
+        2 -> ListPage(modifier = modifier, listViewModel = listViewModel, onFeatureClick = onFeatureSelected)
         3 -> SettingsPage()
     }
 }

app/src/main/java/de/jadehs/strassenschadenpro2/MapViewModel.kt

@@ -10,6 +10,7 @@ import androidx.lifecycle.viewModelScope
 import com.arcgismaps.LoadStatus
 import com.arcgismaps.data.ArcGISFeature
 import com.arcgismaps.data.CodedValueDomain
+import com.arcgismaps.data.QueryParameters
 import com.arcgismaps.data.ServiceFeatureTable
 import com.arcgismaps.geometry.GeometryEngine
 import com.arcgismaps.geometry.Point
@@ -336,6 +337,28 @@ class MapViewModel(application: Application): AndroidViewModel(application) {
             }
         }
     }
+
+    fun zoomToFeature(objectId: Int){
+        viewModelScope.launch {
+            val queryParameters = QueryParameters().apply {
+                whereClause = "OBJECTID = ${objectId}"
+            }
+            serviceFeatureTable.queryFeatures(queryParameters).onSuccess {
+                featureResult ->
+                val feature = featureResult.firstOrNull() as? ArcGISFeature
+                feature?.let{ feature->
+                    feature.geometry?.let{ geometry ->
+                        mapViewProxy.setViewpointGeometry(geometry,50.0)
+                    }
+                    featureLayer.clearSelection()
+                    featureLayer.selectFeature(feature)
+                    selectedFeature = feature
+                }
+            }.onFailure { error ->
+                snackBarMessage = "Feature nicht gefunden!"
+            }
+        }
+    }
 }
 
 enum class FeatureOperationType(val operationName: String, val instruction: String) {

app/src/main/java/de/jadehs/strassenschadenpro2/pages/ListPage.kt

@@ -8,6 +8,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.Divider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -19,7 +20,7 @@ import de.jadehs.strassenschadenpro2.Feature
 import de.jadehs.strassenschadenpro2.ListViewModel
 
 @Composable
-fun ListPage(modifier: Modifier = Modifier, listViewModel: ListViewModel) {
+fun ListPage(modifier: Modifier = Modifier, listViewModel: ListViewModel, onFeatureClick: (Int) -> Unit) {
     val features = listViewModel.features.collectAsState()
     LaunchedEffect(Unit) {
         listViewModel.fetch()
@@ -30,7 +31,9 @@ fun ListPage(modifier: Modifier = Modifier, listViewModel: ListViewModel) {
         items(features.value){ feature ->
             FeatureItem(feature = feature,
                 onClick = {
-
+                    feature.properties?.OBJECTID?.let { objectId ->
+                        onFeatureClick(objectId)
+                    }
                 }
             )
         }
@@ -52,5 +55,23 @@ fun FeatureItem(feature: Feature, onClick: () -> Unit){
             text = "Beschreibung: ${feature.properties?.Beschreibung ?: "-"}",
             style = MaterialTheme.typography.bodyMedium
         )
+
+        val coords = feature.geometry?.coordinates
+        val coordsText = if (coords != null && coords.size == 2) "${coords[0]}, ${coords[1]}" else "-"
+        Text(
+            text = "Koordinaten: ${coordsText}",
+            style = MaterialTheme.typography.bodySmall
+        )
+        Divider(modifier = Modifier.padding(top= 12.dp))
     }
 }
+
+
+
+
+
+
+
+
+
+

app/src/main/java/de/jadehs/strassenschadenpro2/pages/MapPage.kt

@@ -40,7 +40,10 @@ import de.jadehs.strassenschadenpro2.components.DropDownMenuBox
 import kotlinx.coroutines.launch
 
 @Composable
-fun MapPage(modifier: Modifier = Modifier, mapViewModel: MapViewModel) {
+fun MapPage(modifier: Modifier = Modifier,
+            mapViewModel: MapViewModel,
+            selectedObjectId: Int? = null,
+            onObjectIdUsed: () -> Unit = {}) {
     val context = LocalContext.current
     val coroutineScope = rememberCoroutineScope()
 
@@ -55,6 +58,13 @@ fun MapPage(modifier: Modifier = Modifier, mapViewModel: MapViewModel) {
         setAutoPanMode(LocationDisplayAutoPanMode.Off)
     }
 
+    LaunchedEffect(selectedObjectId) {
+        selectedObjectId?.let{
+            mapViewModel.zoomToFeature(selectedObjectId)
+            onObjectIdUsed()
+        }
+    }
+
     if (checkPermissions(context)) {
         // Permissions are already granted.
         LaunchedEffect(Unit) {