chore: erweitere Veranstaltungs-Wizard um Ansprechperson-Anzeige, verbessere Fehlerhandling bei fehlenden Stammdaten und implementiere MsStringDropdown

Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>
2026-04-20 23:53:37 +02:00
parent 7a2c5700f9
commit c1327f3186
5 changed files with 135 additions and 13 deletions
@@ -0,0 +1,94 @@
+package at.mocode.frontend.core.designsystem.components
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.key.*
+import androidx.compose.ui.unit.dp
+
+/**
+ * Ein generischer Dropdown zur Auswahl von Strings (z. B. Druckernamen).
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MsStringDropdown(
+  label: String,
+  options: List<String>,
+  selectedOption: String,
+  onOptionSelected: (String) -> Unit,
+  modifier: Modifier = Modifier,
+  placeholder: String = "",
+  enabled: Boolean = true,
+  isError: Boolean = false,
+  errorMessage: String? = null
+) {
+  var expanded by remember { mutableStateOf(false) }
+
+  Column(modifier = modifier) {
+    ExposedDropdownMenuBox(
+      expanded = expanded,
+      onExpandedChange = { if (enabled) expanded = it }
+    ) {
+      OutlinedTextField(
+        value = selectedOption,
+        onValueChange = {},
+        readOnly = true,
+        label = { Text(label, style = MaterialTheme.typography.bodySmall) },
+        placeholder = { Text(placeholder, style = MaterialTheme.typography.bodySmall) },
+        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+        colors = ExposedDropdownMenuDefaults.outlinedTextFieldColors(),
+        modifier = Modifier
+          .menuAnchor(ExposedDropdownMenuAnchorType.PrimaryEditable, enabled)
+          .fillMaxWidth()
+          .onKeyEvent {
+            if (it.key == Key.Enter || it.key == Key.DirectionCenter) {
+              if (it.type == KeyEventType.KeyUp) {
+                expanded = !expanded
+              }
+              true
+            } else {
+              false
+            }
+          },
+        isError = isError,
+        enabled = enabled,
+        singleLine = true,
+        textStyle = MaterialTheme.typography.bodyMedium,
+        shape = MaterialTheme.shapes.small
+      )
+
+      ExposedDropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { expanded = false }
+      ) {
+        options.forEach { option ->
+          DropdownMenuItem(
+            text = {
+              Text(
+                text = option,
+                style = MaterialTheme.typography.bodyMedium
+              )
+            },
+            onClick = {
+              onOptionSelected(option)
+              expanded = false
+            },
+            contentPadding = ExposedDropdownMenuDefaults.ItemContentPadding
+          )
+        }
+      }
+    }
+
+    if (isError && errorMessage != null) {
+      Text(
+        text = errorMessage,
+        color = MaterialTheme.colorScheme.error,
+        style = MaterialTheme.typography.labelSmall,
+        modifier = Modifier.padding(start = 16.dp, top = 4.dp)
+      )
+    }
+  }
+}