Fix some detekt issues

See: https://stackoverflow.com/a/77470109

src/main/kotlin/com/marvinelsen/willow/ui/cells/EntryCellFactory.kt

@@ -110,9 +110,19 @@ internal class EntryCell(private val resources: ResourceBundle, private val conf
                 )
             )
 
-            val definition = entry.cedictDefinitions.joinToString(
-                separator = " / "
-            ) { it.joinToString(separator = "; ") }
+            val definition = when {
+                entry.cedictDefinitions.isNotEmpty() -> entry.cedictDefinitions.joinToString(
+                    separator = " / "
+                ) { it.joinToString(separator = "; ") }
+
+                entry.crossStraitsDefinitions.isNotEmpty() -> entry.crossStraitsDefinitions.joinToString(
+                    separator = " / "
+                ) { it.definition }
+                entry.moedictDefinitions.isNotEmpty() -> entry.moedictDefinitions.joinToString(
+                    separator = " / "
+                ) { it.definition }
+                else -> error("No definition for entry")
+            }
             labelDefinition.text = definition
 
             contextMenu = createContextMenuForEntry(entry, resources)

src/main/kotlin/com/marvinelsen/willow/ui/controllers/DetailsController.kt

@@ -12,6 +12,7 @@ import javafx.fxml.FXML
 import javafx.scene.control.Label
 import javafx.scene.control.ListView
 import javafx.scene.control.ProgressIndicator
+import javafx.scene.control.Tab
 import javafx.scene.control.TabPane
 import javafx.scene.input.ContextMenuEvent
 import javafx.scene.layout.FlowPane
@@ -43,6 +44,9 @@ class DetailsController(private val model: Model, private val config: Config) {
     @FXML
     private lateinit var tabPaneDetails: TabPane
 
+    @FXML
+    private lateinit var tabCharacters: Tab
+
     @FXML
     private lateinit var webViewDefinition: WebView
 
@@ -152,6 +156,15 @@ class DetailsController(private val model: Model, private val config: Config) {
 
             lazyUpdateTabContent(tabPaneDetails.selectionModel.selectedItem.id)
         }
+
+        tabCharacters.disableProperty().bind(
+            Bindings.createBooleanBinding(
+                {
+                    (model.selectedEntry.value?.traditionalProperty?.value?.length ?: 0) < 2
+                },
+                model.selectedEntry
+            )
+        )
     }
 
     private fun initializeListViewWords() {

src/main/kotlin/com/marvinelsen/willow/ui/dialogs/PreferencesDialog.kt

@@ -37,6 +37,8 @@ class PreferencesDialog(
         }
 
         val root = fxmlLoader.load(javaClass.getResourceAsStream("/fxml/dialogs/preferences.fxml")) as DialogPane
+        root.prefHeightProperty().bind(dialogPane.scene.heightProperty())
+        root.prefWidthProperty().bind(dialogPane.scene.widthProperty())
 
         dialogPane = root
         title = "Settings"

src/main/resources/fxml/details.fxml

@@ -35,7 +35,7 @@
                 <ProgressIndicator fx:id="progressIndicatorWords" visible="false"/>
             </StackPane>
         </Tab>
-        <Tab id="tabCharacters" closable="false" text="%tab.characters">
+        <Tab fx:id="tabCharacters" id="tabCharacters" closable="false" text="%tab.characters">
             <StackPane>
                 <ListView fx:id="listViewCharacters"/>
                 <Label fx:id="labelNoCharactersFound" text="%list.no_characters_found" textAlignment="CENTER"