From 1970eff09aaf7a3dd7e25526ea03f9389a88ee7c Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Thu, 26 Sep 2024 06:33:02 +0200
Subject: [PATCH] Cut displayed text on iOS as otherwise view crashes (displays
 only a white screen then)

---
 .../codinux/banking/ui/screens/ExportScreen.kt    | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/ExportScreen.kt b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/ExportScreen.kt
index b3b75b1..7253054 100644
--- a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/ExportScreen.kt
+++ b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/ExportScreen.kt
@@ -15,12 +15,16 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import net.codinux.banking.persistence.entities.AccountTransactionEntity
 import net.codinux.banking.ui.IOorDefault
+import net.codinux.banking.ui.PlatformType
 import net.codinux.banking.ui.config.Colors
 import net.codinux.banking.ui.config.DI
 import net.codinux.banking.ui.extensions.horizontalScroll
 import net.codinux.banking.ui.extensions.verticalScroll
 import net.codinux.banking.ui.service.BankDataImporterAndExporter
 
+
+private const val iOSMaxDisplayedDataLength = 20_000
+
 @Composable
 fun ExportScreen(onClosed: () -> Unit) {
     var transactions: Collection<AccountTransactionEntity>
@@ -29,6 +33,8 @@ fun ExportScreen(onClosed: () -> Unit) {
 
     var exportedDataText by remember { mutableStateOf("") }
 
+    var exportedDataTextToDisplay by remember { mutableStateOf("") }
+
     val importerExporter = BankDataImporterAndExporter()
 
     val clipboardManager = LocalClipboardManager.current
@@ -42,12 +48,15 @@ fun ExportScreen(onClosed: () -> Unit) {
 
         withContext(Dispatchers.Main) {
             exportedDataText = initiallyExportedData
+            exportedDataTextToDisplay = if (DI.platform.type == PlatformType.iOS && exportedDataText.length > iOSMaxDisplayedDataLength) exportedDataText.substring(0,
+                iOSMaxDisplayedDataLength) + "\r\n...\r\n(Wir mussten die Anzeige abschneiden, da iOS mit längeren Zeichenketten nicht klar kommt (iOS only bug)"
+                                        else exportedDataText
             isLoadingExportedData = false
         }
     }
 
     FullscreenViewBase("Umsätze exportieren", onClosed = onClosed) {
-        Column {
+        Column(Modifier.fillMaxWidth()) {
             Text("Es gibt leider noch keinen \"Datei auswählen Dialog\", ist sehr schwierig plattformübergreifend umzusetzen, deshalb bitte folgenden Text kopieren und in eine Textdatei einfügen:")
 
             Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.End) {
@@ -68,8 +77,8 @@ fun ExportScreen(onClosed: () -> Unit) {
                 }
             } else {
                 Column(Modifier.verticalScroll().horizontalScroll()) {
-                    SelectionContainer {
-                        Text(exportedDataText, fontFamily = FontFamily.Monospace)
+                    SelectionContainer(modifier = Modifier.fillMaxSize()) {
+                        Text(exportedDataTextToDisplay, fontFamily = FontFamily.Monospace)
                     }
                 }
             }