Implemented showing selected bank's / account's title in toolbar

ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/home/HomeFragment.kt

@@ -7,6 +7,7 @@ import android.view.*
 import android.view.inputmethod.EditorInfo
 import android.widget.EditText
 import android.widget.ImageButton
+import androidx.appcompat.widget.Toolbar
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.SearchView
 import androidx.core.content.ContextCompat
@@ -22,6 +23,7 @@ import net.dankito.banking.ui.android.di.BankingComponent
 import net.dankito.banking.ui.android.extensions.addHorizontalItemDivider
 import net.dankito.banking.ui.android.extensions.showAmount
 import net.dankito.banking.ui.android.views.InfoPopupWindow
+import net.dankito.banking.ui.model.SelectedAccountType
 import net.dankito.banking.ui.model.TransactionsRetrievalState
 import net.dankito.banking.ui.model.TypedBankAccount
 import net.dankito.banking.ui.model.parameters.TransferMoneyData
@@ -253,6 +255,8 @@ class HomeFragment : Fragment() {
 
 
     private fun updateTransactionsToDisplayOnUiThread() {
+        setToolbarTitle()
+
         transactionAdapter.items = presenter.searchSelectedAccountTransactions(appliedTransactionsFilter)
 
         mnitmBalance.title = presenter.formatAmount(presenter.balanceOfSelectedAccounts)
@@ -271,6 +275,20 @@ class HomeFragment : Fragment() {
         setFetchAllTransactionsView()
     }
 
+    private fun setToolbarTitle() {
+        // TODO: also set selected account's icon
+
+        if (presenter.allBanks.isNotEmpty()) {
+            activity?.findViewById<Toolbar>(R.id.toolbar)?.let { toolbar ->
+                toolbar.title = when (presenter.selectedAccountType) {
+                    SelectedAccountType.AllAccounts -> context?.getString(R.string.drawer_menu_all_bank_accounts_title)
+                    SelectedAccountType.SingleBank -> presenter.getSingleSelectedBank()?.displayName
+                    SelectedAccountType.SingleAccount -> presenter.getSingleSelectedAccount()?.displayName
+                }
+            }
+        }
+    }
+
     private fun setRecyclerViewAndNoTransactionsFetchedView() {
         val transactionsRetrievalState = presenter.selectedAccountsTransactionRetrievalState
         val haveTransactionsBeenRetrieved = transactionsRetrievalState == TransactionsRetrievalState.RetrievedTransactions

ui/BankingUiCommon/src/commonMain/kotlin/net/dankito/banking/ui/presenter/BankingPresenter.kt

@@ -91,7 +91,8 @@ open class BankingPresenter(
 
     protected var _selectedAccounts = mutableListOf<TypedBankAccount>()
 
-    protected var selectedAccountType = SelectedAccountType.AllAccounts
+    open var selectedAccountType = SelectedAccountType.AllAccounts
+        protected set
 
     protected var saveAccountOnNextEnterTanInvocation = false
 
@@ -858,11 +859,32 @@ open class BankingPresenter(
                 && _selectedAccounts.map { it.bank }.toSet().containsExactly(bank)
     }
 
+    open fun getSingleSelectedBank(): TypedBankData? {
+        val selectedBanks = _selectedAccounts.map { it.bank }.toSet()
+
+        if (selectedBanks.size == 1) {
+            return selectedBanks.first() as? TypedBankData
+        }
+
+        return null
+    }
+
     open fun isSingleSelectedAccount(account: TypedBankAccount): Boolean {
         return selectedAccountType == SelectedAccountType.SingleAccount
                 && _selectedAccounts.containsExactly(account)
     }
 
+    open fun getSingleSelectedAccount(): TypedBankAccount? {
+        val selectedAccounts = _selectedAccounts.toSet()
+
+        if (selectedAccounts.size == 1) {
+            return selectedAccounts.first()
+        }
+
+        return null
+    }
+
+
     open fun selectedAllAccounts() {
         selectedAccountType = SelectedAccountType.AllAccounts