JFX: Add update and simple expand method to DynTreeViewer

Issue-Ref: 3482
Issue-Url: https://af3-developer.fortiss.org/issues/3482


Signed-off-by: Alexander Diewald <diewald@fortiss.org>

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

@@ -3,6 +3,6 @@ DynamicTreeItem.java afc105cf5acf3d2506d89e0892555100c234ce5b GREEN
 DynamicTreeTableUIProviderBase.java fd9fce19a65eb1006ceacb0d869bbe90a8c578b3 GREEN
 DynamicTreeTableViewer.java e474f3a890fd6525db7de8e299d7fbe67f932a15 GREEN
 DynamicTreeUIProviderBase.java 56fe4df4577b35f1e5e6e4c4be189b706c852d52 GREEN
-DynamicTreeViewer.java d5b9f87862d9c42327c46bce02fb34d64673d413 GREEN
+DynamicTreeViewer.java 6bcbd287fb0ba7c3063a016d6c5adeac164ff109 YELLOW
 DynamicTreeViewerBase.java 47124c847de322a0ae26eb7a114f85ce4bd02d7e GREEN
 IDoubleClickHandler.java 447f7769dead9a106b3ea3139ef0da51eb0b9a89 GREEN

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

@@ -34,6 +34,8 @@ import javafx.scene.input.MouseEvent;
 public final class DynamicTreeViewer<T> extends DynamicTreeViewerBase<T> {
 	/** The {@link TreeView} control to be managed. */
 	private final TreeView<T> view;
+	/** {@link TreeItem} constructed for the root object. */
+	private final DynamicTreeItem<T> rootItem;
 	/** The UI provider implementation. */
 	private final DynamicTreeUIProviderBase<T> uiProvider;
 	/** The selection change listener. */
@@ -49,7 +51,7 @@ public final class DynamicTreeViewer<T> extends DynamicTreeViewerBase<T> {
 		this.uiProvider = uiProvider;
 		// construct view
 		this.view = view;
-		DynamicTreeItem<T> rootItem = new DynamicTreeItem<T>(root, this);
+		rootItem = new DynamicTreeItem<T>(root, this);
 		view.setRoot(rootItem);
 		view.setShowRoot(showRoot);
 		configureCellFactory();
@@ -88,6 +90,11 @@ public final class DynamicTreeViewer<T> extends DynamicTreeViewerBase<T> {
 		view.getSelectionModel().select(row);
 	}
 
+	/** Searches the {@link DynamicTreeItem} for the given value from the root. */
+	public DynamicTreeItem<T> findItem(T value) {
+		return findItem(rootItem, value);
+	}
+
 	/** Searches the {@link DynamicTreeItem} for the given value. */
 	public DynamicTreeItem<T> findItem(DynamicTreeItem<T> item, Object value) {
 		if(item == null || value == null) {
@@ -142,6 +149,14 @@ public final class DynamicTreeViewer<T> extends DynamicTreeViewerBase<T> {
 		});
 	}
 
+	/** Expands the tree to the given item. */
+	public void expandItem(TreeItem<T> item) {
+		while(item.getParent() != null) {
+			item = item.getParent();
+			item.setExpanded(true);
+		}
+	}
+
 	/** Expands items up to the given level. */
 	private void expandItem(TreeItem<T> parentItem, int revealLevel) {
 		if(revealLevel <= 0) {