first part for factory

Author: Siedlerchr

src/main/java/org/jabref/gui/metadata/BibtexStringEditorAction.java

@@ -17,5 +17,4 @@ public void execute() {
         BibDatabase database = frame.getCurrentBasePanel().getDatabase();
         new BibtexStringEditorDialogView(database).showAndWait();
     }
-
 }

src/main/java/org/jabref/gui/util/ViewModelTextFieldTableCellVisualizationFactory.java

@@ -0,0 +1,38 @@
+package org.jabref.gui.util;
+
+import java.util.function.Function;
+
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.cell.TextFieldTableCell;
+import javafx.util.Callback;
+
+import de.saxsys.mvvmfx.utils.validation.ValidationStatus;
+import de.saxsys.mvvmfx.utils.validation.visualization.ControlsFxVisualizer;
+
+public class ViewModelTextFieldTableCellVisualizationFactory<S, T> implements Callback<TableColumn<S, T>, TextFieldTableCell<S, T>> {
+
+    private ControlsFxVisualizer visualizer;
+    private Function<S, ValidationStatus> val;
+
+    @Override
+    public TextFieldTableCell<S, T> call(TableColumn<S, T> param) {
+        return new TextFieldTableCell<S, T>() {
+
+            @Override
+            public void updateItem(T item, boolean empty) {
+                super.updateItem(item, empty);
+
+                if (!empty && (getTableRow() != null)) {
+                    Object rowItem = getTableRow().getItem();
+
+                    if (rowItem != null) {
+                        S vm = (S) rowItem;
+                        visualizer.initVisualization(val.apply(vm), this);
+                    }
+                }
+            }
+        };
+
+    }
+
+}