Add constructor that takes an ImageDescriptor

Issue-Ref: 4322
Issue-URL: af3#4322



Signed-off-by: Simon Barner <barner@fortiss.org>

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

@@ -13,4 +13,4 @@ DynamicTreeViewerBase.java a2013538b62d86f6a09efdf2cd78babac2072484 GREEN
 EmptyChildrenContentProvider.java 51b4468f9df8423abeea5ac6aa2f6cf99c2eb512 GREEN
 IDoubleClickHandler.java 447f7769dead9a106b3ea3139ef0da51eb0b9a89 GREEN
 IDynamicItem.java 083d02459e7ec33542d9910c04abe2581e0b5422 GREEN
-TreeContextMenuItem.java e32ff2ee9269e1a7e944bf3b614cdb2ca890d2b5 YELLOW
+TreeContextMenuItem.java 54f351de1f5b088be47eb180f517a03811a0c0dd YELLOW

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

@@ -15,15 +15,21 @@
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.common.ui.javafx.control.treetableview;
 
+import static javafx.embed.swt.SWTFXUtils.toFXImage;
+
 import java.lang.reflect.Constructor;
 import java.util.Collection;
 
+import org.eclipse.jface.resource.ImageDescriptor;
+
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.Node;
 import javafx.scene.control.ContextMenu;
 import javafx.scene.control.MenuItem;
 import javafx.scene.control.SeparatorMenuItem;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
 
 /**
  * Base class for {@link MenuItem}s used by {@link DynamicTreeViewer}s (but in principle generally
@@ -52,6 +58,18 @@ public abstract class TreeContextMenuItem<T> extends MenuItem {
 		init(element);
 	}
 
+	/** Constructor. */
+	protected TreeContextMenuItem(T element, String label, ImageDescriptor imgDescr) {
+		this(element, label, getSelectIcon(imgDescr));
+	}
+
+	/** Helper to build the select icon. */
+	private static Node getSelectIcon(ImageDescriptor imgDescr) {
+
+		Image fxIcon = toFXImage(imgDescr.getImageData(100), null);
+		return new ImageView(fxIcon);
+	}
+
 	/** Helper for constructors. */
 	private void init(T element) {
 		this.element = element;