Lazyload listview cell elements

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

@@ -39,7 +39,8 @@ private class EntryCell(
     private val hostServices: HostServices,
 ) : ListCell<DictionaryEntryFx?>() {
 
-    private val labelHeadword = Label().apply {
+    private val labelHeadword by lazy {
+        Label().apply {
             styleClass.add("headword")
             styleProperty().bind(
                 Bindings.concat(
@@ -49,8 +50,10 @@ private class EntryCell(
                 )
             )
         }
+    }
 
-    private val labelDefinition = Label().apply {
+    private val labelDefinition by lazy {
+        Label().apply {
             styleClass.add("definition")
             styleProperty().bind(
                 Bindings.concat(
@@ -62,8 +65,10 @@ private class EntryCell(
             visibleProperty().bind(config.searchResults.shouldShowDefinition)
             managedProperty().bind(config.searchResults.shouldShowDefinition)
         }
+    }
 
-    private val labelPronunciation = Label().apply {
+    private val labelPronunciation by lazy {
+        Label().apply {
             styleClass.add("pronunciation")
             styleProperty().bind(
                 Bindings.concat(
@@ -75,15 +80,20 @@ private class EntryCell(
             visibleProperty().bind(config.searchResults.shouldShowPronunciation)
             managedProperty().bind(config.searchResults.shouldShowPronunciation)
         }
+    }
 
-    private val flowPane = FlowPane(labelHeadword, labelPronunciation).apply {
+    private val flowPane by lazy {
+        FlowPane(labelHeadword, labelPronunciation).apply {
             hgap = FLOW_PANE_HGAP
             rowValignment = VPos.BASELINE
         }
+    }
 
-    private val root = VBox(flowPane, labelDefinition).apply {
+    private val root by lazy {
+        VBox(flowPane, labelDefinition).apply {
             styleClass.add("search-result")
         }
+    }
 
     init {
         text = null

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

@@ -36,11 +36,16 @@ private class SentenceCell(
     private val hostServices: HostServices,
 ) : ListCell<SentenceFx?>() {
 
-    private val labelSentence = Label().apply {
+    private val labelSentence by lazy {
+        Label().apply {
             styleClass.add("sentence")
             isWrapText = true
         }
-    private val root = VBox(labelSentence)
+    }
+
+    private val root by lazy {
+        VBox(labelSentence)
+    }
 
     init {
         text = null
@@ -50,6 +55,7 @@ private class SentenceCell(
         super.updateItem(sentence, empty)
         if (empty || sentence == null) {
             graphic = null
+            contextMenu = null
         } else {
             labelSentence.textProperty().bind(
                 Bindings.createStringBinding(