TreeViewer: Added line break for text-only cells.

Cell styling now also adds automatic line break for text cells.

Issue-ref: 4283
Issue-URL: af3#4283

Signed-off-by: Andreas Bayha <bayha@fortiss.org>

org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/.ratings

@@ -5,7 +5,7 @@ DynamicTextFieldTreeTableCell.java 62fa0c08b11d87e0eed41f84be85505c2740e75d GREE
 DynamicTreeContentProviderBase.java 91896b1fb5104d126544c44c1ff8c30f2a13a8d6 GREEN
 DynamicTreeItem.java 7e81ea98038b5eca90df583e0268d4e8f37aaf25 GREEN
 DynamicTreeItemBase.java d883066ecc181120302ca32f328538de7a45b093 GREEN
-DynamicTreeTableUIProviderBase.java 29aa753793ab90676d45e5b76b11f7b46ce02a97 GREEN
+DynamicTreeTableUIProviderBase.java ffb2508111b84845f5da6d46a2c0223d45dade04 YELLOW
 DynamicTreeTableViewer.java 77e9995a3bee37d57578dad9434a53c702128efa YELLOW
 DynamicTreeUIProviderBase.java 82d3c051213f0147f4c67ad247a08696cee73110 GREEN
 DynamicTreeViewer.java 33066062a82101cf28410e4d04f85bb9c24251db GREEN

org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/DynamicTreeTableUIProviderBase.java

@@ -40,6 +40,7 @@ import javafx.scene.input.KeyEvent;
 import javafx.scene.input.MouseButton;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.paint.Color;
+import javafx.scene.text.Text;
 import javafx.util.Callback;
 import javafx.util.converter.DefaultStringConverter;
 
@@ -322,6 +323,16 @@ public abstract class DynamicTreeTableUIProviderBase<T> {
 				final Node icon = getIconNode(data, columnIndex);
 				cell.setGraphic(icon);
 				cell.setStyle(getCellStyle(data, columnIndex));
+
+				// For non-icon cells, enable line-break.
+				if(icon == null) {
+					Text text = new Text(cell.getText());
+					text.setStyle("-fx-text-alignment:justify;");
+					int lineWrapBorder = 5;
+					text.wrappingWidthProperty()
+							.bind(cell.getTableColumn().widthProperty().subtract(lineWrapBorder));
+					cell.setGraphic(text);
+				}
 			} else {
 				// reset icon for cases, in which a row was styled before, but became empty by now.
 				cell.setGraphic(null);
@@ -603,7 +614,7 @@ public abstract class DynamicTreeTableUIProviderBase<T> {
 	 * {@link DynamicTreeViewer} due to the absence of proper selection interfaces in
 	 * JFX.
 	 */
-	private void addContextMenuHandler(TreeTableCell<T, String> cell, ContextMenu menu, T element) {
+	private void addContextMenuHandler(TreeTableCell<T, ?> cell, ContextMenu menu, T element) {
 		cell.getTreeTableView().addEventHandler(MouseEvent.MOUSE_RELEASED, e -> {
 			if(e.getButton() == MouseButton.SECONDARY) {
 				TreeItem<T> selected =