Fix Issue Unable to remove multiline property from field

CHANGELOG.md

@@ -100,6 +100,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We fixed an issue where <kbd>Tab</kbd> cannot be used to jump to next field in some single-line fields. [#11785](https://github.com/JabRef/jabref/issues/11785)
 - We fixed an issue where it was not possible to select selecting content of other user's comments.[#11106](https://github.com/JabRef/jabref/issues/11106)
 - We fixed an issue where web search preferences "Custom API key" table modifications not discarded. [#11925](https://github.com/JabRef/jabref/issues/11925)
+- We fixed an issue where multiline property from field was unable to be removed after adding it. [#11897](https://github.com/JabRef/jabref/issues/11897)
 
 ### Removed
 

src/main/java/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.java

@@ -1,6 +1,7 @@
 package org.jabref.gui.preferences.customentrytypes;
 
 import javafx.application.Platform;
+import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ReadOnlyStringWrapper;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
@@ -176,7 +177,7 @@ private void setupFieldsTable() {
         makeRotatedColumnHeader(fieldTypeColumn, Localization.lang("Required"));
 
         fieldTypeMultilineColumn.setCellFactory(CheckBoxTableCell.forTableColumn(fieldTypeMultilineColumn));
-        fieldTypeMultilineColumn.setCellValueFactory(item -> item.getValue().multilineProperty());
+        fieldTypeMultilineColumn.setCellValueFactory(this::createMultilinePropertyListener);
         makeRotatedColumnHeader(fieldTypeMultilineColumn, Localization.lang("Multiline"));
 
         fieldTypeActionColumn.setSortable(false);
@@ -206,6 +207,18 @@ private void setupFieldsTable() {
         EasyBind.subscribe(addNewField.getEditor().textProperty(), text -> addNewField.setValue(FieldsUtil.FIELD_STRING_CONVERTER.fromString(text)));
     }
 
+    private BooleanProperty createMultilinePropertyListener(TableColumn.CellDataFeatures<FieldViewModel, Boolean> item) {
+        BooleanProperty property = item.getValue().multilineProperty();
+        property.addListener((obs, wasSelected, isSelected) -> {
+            viewModel.entryTypes().forEach(typeViewModel -> {
+                typeViewModel.fields().stream()
+                             .filter(field -> field.displayNameProperty().get().equals(item.getValue().displayNameProperty().get()))
+                             .forEach(field -> field.multilineProperty().set(isSelected));
+            });
+        });
+        return property;
+    }
+
     private void makeRotatedColumnHeader(TableColumn<?, ?> column, String text) {
         Label label = new Label();
         label.setText(text);