implement dialog with list of all payment methods (fixes #26)

app/src/main/java/net/vonforst/evmap/adapter/DataBindingAdapters.kt

@@ -174,7 +174,8 @@ fun buildDetails(
                 R.plurals.charge_cards_compatible_num,
                 loc.chargecards.size, loc.chargecards.size
             ),
-            formatChargeCards(loc.chargecards, chargeCards, ctx)
+            formatChargeCards(loc.chargecards, chargeCards, ctx),
+            clickable = true
         ) else null,
         DetailAdapter.Detail(
             R.drawable.ic_location,

app/src/main/java/net/vonforst/evmap/fragment/MapFragment.kt

@@ -14,6 +14,7 @@ import android.view.*
 import android.view.inputmethod.InputMethodManager
 import android.widget.TextView
 import androidx.activity.OnBackPressedCallback
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.app.SharedElementCallback
 import androidx.core.content.ContextCompat
@@ -472,7 +473,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         binding.detailView.details.apply {
             adapter = DetailAdapter().apply {
                 onClickListener = {
-                    val charger = vm.chargerSparse.value
+                    val charger = vm.chargerDetails.value?.data
                     if (charger != null) {
                         when (it.icon) {
                             R.drawable.ic_location -> {
@@ -481,6 +482,9 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                             R.drawable.ic_fault_report -> {
                                 (activity as? MapsActivity)?.openUrl("https:${charger.url}")
                             }
+                            R.drawable.ic_payment -> {
+                                showPaymentMethodsDialog(charger)
+                            }
                         }
                     }
                 }
@@ -497,6 +501,21 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         }
     }
 
+    private fun showPaymentMethodsDialog(charger: ChargeLocation) {
+        val activity = activity ?: return
+        val chargecardData = vm.chargeCardMap.value ?: return
+        val chargecards = charger.chargecards ?: return
+
+        val data = chargecards.map { chargecardData[it.id] }.sortedBy { it?.name }
+        val names = data.map { it?.name ?: "" }
+        AlertDialog.Builder(activity)
+            .setTitle(R.string.charge_cards)
+            .setItems(names.toTypedArray()) { _, i ->
+                val card = data[i] ?: return@setItems
+                (activity as? MapsActivity)?.openUrl("https:${card.url}")
+            }.show()
+    }
+
     override fun onMapReady(map: GoogleMap) {
         this.map = map
         map.uiSettings.isTiltGesturesEnabled = false