feat: show message when clipboard is empty (#409)

app/src/main/kotlin/com/svenjacobs/app/leon/ui/screens/main/MainScreen.kt

@@ -103,6 +103,8 @@ fun MainScreen(
 	val clipboard = LocalClipboardManager.current
 	val shareTitle = stringResource(R.string.share)
 	val openTitle = stringResource(R.string.open)
+	val copiedToClipboardMessage = stringResource(R.string.clipboard_message)
+	val clipboardEmptyMessage = stringResource(R.string.clipboard_empty_message)
 	var didPerformActionAfterClean by remember(uiState.result) { mutableStateOf(false) }
 	val view = LocalView.current
 
@@ -166,7 +168,7 @@ fun MainScreen(
 	fun copyToClipboard(result: Result.Success) {
 		clipboard.setText(AnnotatedString(result.cleanedText))
 		coroutineScope.launch {
-			snackbarHostState.showSnackbar(context.getString(R.string.clipboard_message))
+			snackbarHostState.showSnackbar(copiedToClipboardMessage)
 		}
 	}
 
@@ -206,9 +208,15 @@ fun MainScreen(
 							isUrlDecodeEnabled = uiState.isUrlDecodeEnabled,
 							isExtractUrlEnabled = uiState.isExtractUrlEnabled,
 							onImportFromClipboardClick = {
-								viewModel.setText(
-									clipboard.getText()?.toString(),
-								)
+								val text = clipboard.getText()?.toString()
+
+								if (text.isNullOrBlank()) {
+									coroutineScope.launch {
+										snackbarHostState.showSnackbar(clipboardEmptyMessage)
+									}
+								} else {
+									viewModel.setText(text)
+								}
 							},
 							onShareClick = ::openShareMenu,
 							onCopyToClipboardClick = ::copyToClipboard,

app/src/main/res/values-de/strings.xml

@@ -24,6 +24,7 @@
     <string name="open">Öffnen</string>
     <string name="copy">Kopieren</string>
     <string name="clipboard_message">Link in Zwischenablage kopiert</string>
+    <string name="clipboard_empty_message">Zwischenablage ist leer</string>
     <string name="how_to_title">Anleitung</string>
     <string name="how_to_text">Wähle die App \"URL Cleaner\" beim Teilen von Text aus. Klicke anschließend in dieser App auf \"Teilen\", um den Text an die Ziel-App zu schicken. Alternativ, klicke die Schaltflächte oben, um den Inhalt aus der Zwischenablage zu importieren.</string>
     <string name="cleaned_url">Gesäuberte URL</string>

app/src/main/res/values-pl/strings.xml

@@ -24,6 +24,7 @@
     <string name="open">Open</string>> <!-- TODO: translate -->
     <string name="copy">Kopiuj</string>
     <string name="clipboard_message">Link skopiowany do schowka</string>
+    <string name="clipboard_empty_message">Clipboard is empty</string> <!-- TODO: translate -->
     <string name="how_to_title">Jak wykonać</string>
     <string name="how_to_text">When sharing text, choose \"URL Cleaner\". Then click on \"Share\" in this app to send text to target app. Alternatively, click the button above to import contents from the clipboard.</string>
     <string name="cleaned_url">URL Oczyszczony</string>
@@ -40,6 +41,6 @@
     <string name="action_after_clean">Action after clean</string> <!-- TODO: translate -->
     <string name="do_nothing">Do nothing</string> <!-- TODO: translate -->
     <string name="open_share_menu">Open share menu</string> <!-- TODO: translate -->
-    <string name="open_url">Open URL</string>
+    <string name="open_url">Open URL</string> <!-- TODO: translate -->
     <string name="copy_to_clipboard">Copy to clipboard</string> <!-- TODO: translate -->
 </resources>

app/src/main/res/values-ru/strings.xml

@@ -24,6 +24,7 @@
     <string name="open">Open</string>> <!-- TODO: translate -->
     <string name="copy">Копировать</string>
     <string name="clipboard_message">Ссылка скопирована в буфер обмена</string>
+    <string name="clipboard_empty_message">Clipboard is empty</string> <!-- TODO: translate -->
     <string name="how_to_title">Инструкция</string>
     <string name="how_to_text">When sharing text, choose \"URL Cleaner\". Then click on \"Share\" in this app to send text to target app. Alternatively, click the button above to import contents from the clipboard.</string>
     <string name="cleaned_url">Очищенный URL-адрес</string>
@@ -40,6 +41,6 @@
     <string name="action_after_clean">Action after clean</string> <!-- TODO: translate -->
     <string name="do_nothing">Do nothing</string> <!-- TODO: translate -->
     <string name="open_share_menu">Open share menu</string> <!-- TODO: translate -->
-    <string name="open_url">Open URL</string>
+    <string name="open_url">Open URL</string> <!-- TODO: translate -->
     <string name="copy_to_clipboard">Copy to clipboard</string> <!-- TODO: translate -->
 </resources>

app/src/main/res/values-vi/strings.xml

@@ -25,6 +25,7 @@
     <string name="open">Mở</string>
     <string name="copy">Sao chép</string>
     <string name="clipboard_message">Đã chép liên kết vào clipboard</string>
+    <string name="clipboard_empty_message">Clipboard is empty</string> <!-- TODO: translate -->
     <string name="how_to_title">Cách-để</string>
     <string name="how_to_text">Khi chia sẻ văn bản, chọn \"URL Cleaner\". Sau đó nhấp vào \"Chia sẻ\" trong ứng dụng này để gửi văn bản đến ứng dụng mục tiêu. Ngoài ra, hãy nhấp vào nút bên trên để nhập nội dung từ clipboard.</string>
     <string name="cleaned_url">URL đã làm sạch</string>

app/src/main/res/values/strings.xml

@@ -25,6 +25,7 @@
     <string name="open">Open</string>
     <string name="copy">Copy</string>
     <string name="clipboard_message">Link copied to clipboard</string>
+    <string name="clipboard_empty_message">Clipboard is empty</string>
     <string name="how_to_title">How-to</string>
     <string name="how_to_text">When sharing text, choose \"URL Cleaner\". Then click on \"Share\" in this app to send text to target app. Alternatively, click the button above to import contents from the clipboard.</string>
     <string name="cleaned_url">Cleaned URL</string>