feat(map): add TianDiTu and AutoTLE sources

feature/settings/src/main/java/com/rtbishop/look4sat/feature/settings/MapSettingsDialog.kt

@@ -0,0 +1,119 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2026 Arty Bishop and contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.rtbishop.look4sat.feature.settings
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.FilterChip
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import com.rtbishop.look4sat.core.domain.model.MapSource
+import com.rtbishop.look4sat.core.domain.model.OtherSettings
+import com.rtbishop.look4sat.core.presentation.R
+import com.rtbishop.look4sat.core.presentation.SharedDialog
+
+@Composable
+fun MapSettingsDialog(
+    settings: OtherSettings,
+    onDismiss: () -> Unit,
+    onSave: (mapSource: String, tiandituKey: String) -> Unit
+) {
+    var selectedSource by rememberSaveable {
+        mutableStateOf(MapSource.normalize(settings.mapSource))
+    }
+    var tiandituKey by rememberSaveable { mutableStateOf(settings.tiandituKey) }
+
+    SharedDialog(
+        title = stringResource(R.string.prefs_map_title),
+        onDismissRequest = onDismiss,
+        onCancel = onDismiss,
+        onAccept = { onSave(selectedSource, tiandituKey) }
+    ) { padding ->
+        Column(
+            verticalArrangement = Arrangement.spacedBy(8.dp),
+            modifier = Modifier.padding(horizontal = padding)
+        ) {
+            Text(
+                text = stringResource(R.string.prefs_map_source_title),
+                color = MaterialTheme.colorScheme.primary
+            )
+            FlowRow(horizontalArrangement = Arrangement.spacedBy(6.dp)) {
+                MapSourceChip(
+                    selected = selectedSource == MapSource.OSM,
+                    label = stringResource(R.string.prefs_map_source_osm),
+                    onClick = { selectedSource = MapSource.OSM }
+                )
+                MapSourceChip(
+                    selected = selectedSource == MapSource.TIANDITU_VECTOR,
+                    label = stringResource(R.string.prefs_map_source_tianditu_vector),
+                    onClick = { selectedSource = MapSource.TIANDITU_VECTOR }
+                )
+                MapSourceChip(
+                    selected = selectedSource == MapSource.TIANDITU_IMAGE,
+                    label = stringResource(R.string.prefs_map_source_tianditu_image),
+                    onClick = { selectedSource = MapSource.TIANDITU_IMAGE }
+                )
+            }
+            Text(
+                text = stringResource(R.string.prefs_map_tianditu_key_help),
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+            OutlinedTextField(
+                value = tiandituKey,
+                onValueChange = { tiandituKey = it },
+                label = { Text(stringResource(R.string.prefs_map_tianditu_key)) },
+                visualTransformation = PasswordVisualTransformation(),
+                keyboardOptions = KeyboardOptions(
+                    keyboardType = KeyboardType.Password,
+                    imeAction = ImeAction.Done
+                ),
+                singleLine = true,
+                modifier = Modifier.fillMaxWidth()
+            )
+            if (selectedSource != MapSource.OSM && tiandituKey.isBlank()) {
+                Text(
+                    text = stringResource(R.string.prefs_map_tianditu_key_required),
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.error
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun MapSourceChip(selected: Boolean, label: String, onClick: () -> Unit) {
+    FilterChip(selected = selected, onClick = onClick, label = { Text(label) })
+}

feature/settings/src/main/java/com/rtbishop/look4sat/feature/settings/SettingsScreen.kt

@@ -99,6 +99,7 @@ fun SettingsDestination() {
 @Composable
 private fun SettingsScreen(uiState: SettingsState, onAction: (SettingsAction) -> Unit) {
     var showUpdateChecker by rememberSaveable { mutableStateOf(false) }
+    var showMapSettings by rememberSaveable { mutableStateOf(false) }
     if (showUpdateChecker) {
         UpdateCheckerScreen(
             currentVersion = uiState.appVersionName,
@@ -129,6 +130,17 @@ private fun SettingsScreen(uiState: SettingsState, onAction: (SettingsAction) ->
         }
     )
 
+    if (showMapSettings) {
+        MapSettingsDialog(
+            settings = uiState.otherSettings,
+            onDismiss = { showMapSettings = false },
+            onSave = { mapSource, tiandituKey ->
+                onAction(SettingsAction.UpdateMapSettings(mapSource, tiandituKey))
+                showMapSettings = false
+            }
+        )
+    }
+
     // Dialogs
     if (dialogs.position) {
         PositionDialog(
@@ -368,6 +380,7 @@ private fun SettingsScreen(uiState: SettingsState, onAction: (SettingsAction) ->
                     onAction = onAction
                 )
             }
+            item { MapSettingsCard(onClick = { showMapSettings = true }) }
             item { CardCredits() }
             item(span = { GridItemSpan(maxLineSpan) }) {
                 CardButton(
@@ -558,6 +571,24 @@ private fun OtherCardPreview() = MainTheme {
     OtherCard(settings = values, onCompassCalibration = {}, onAction = {})
 }
 
+@Composable
+private fun MapSettingsCard(onClick: () -> Unit) {
+    ElevatedCard(modifier = Modifier.fillMaxWidth()) {
+        Column(modifier = Modifier.padding(horizontal = 8.dp, vertical = 6.dp)) {
+            Text(
+                text = stringResource(R.string.prefs_map_title),
+                color = MaterialTheme.colorScheme.primary
+            )
+            Spacer(modifier = Modifier.height(6.dp))
+            CardButton(
+                onClick = onClick,
+                text = stringResource(R.string.prefs_map_configure),
+                modifier = Modifier.fillMaxWidth()
+            )
+        }
+    }
+}
+
 @Composable
 private fun OtherCard(
     settings: OtherSettings,

feature/settings/src/main/java/com/rtbishop/look4sat/feature/settings/SettingsState.kt

@@ -108,6 +108,7 @@ sealed interface SettingsAction {
     data class SetCompassOffset(val degrees: Float) : SettingsAction
     data class ToggleLightTheme(val value: Boolean) : SettingsAction
     data class ToggleNightMode(val value: Boolean) : SettingsAction
+    data class UpdateMapSettings(val mapSource: String, val tiandituKey: String) : SettingsAction
 
     // Remote control
     data class UpdateRC(val settings: RCSettings) : SettingsAction

feature/settings/src/main/java/com/rtbishop/look4sat/feature/settings/SettingsViewModel.kt

@@ -186,6 +186,9 @@ class SettingsViewModel(
             }
             is SettingsAction.ToggleLightTheme -> settingsRepo.updateOtherSettings { it.copy(stateOfLightTheme = action.value) }
             is SettingsAction.ToggleNightMode -> settingsRepo.updateOtherSettings { it.copy(stateOfNightMode = action.value) }
+            is SettingsAction.UpdateMapSettings -> settingsRepo.updateOtherSettings {
+                it.copy(mapSource = action.mapSource, tiandituKey = action.tiandituKey)
+            }
             // Remote control & data sources
             is SettingsAction.UpdateRC -> settingsRepo.updateRCSettings(action.settings)
             is SettingsAction.UpdateRadioControl -> settingsRepo.updateRadioControlSettings(action.settings)