Add popup menu and notification feedback for CSS Spy clipboard export

Author: vogella

ui/org.eclipse.pde.spy.css/META-INF/MANIFEST.MF

@@ -8,6 +8,7 @@ Bundle-RequiredExecutionEnvironment: JavaSE-21
 Require-Bundle: org.eclipse.core.runtime;bundle-version="3.29.0",
  org.eclipse.e4.ui.css.core;bundle-version="0.9.0",
  org.eclipse.jface;bundle-version="3.39.0",
+ org.eclipse.jface.notifications;bundle-version="1.0.0",
  org.eclipse.e4.ui.css.swt;bundle-version="0.10.0",
  org.eclipse.e4.ui.css.swt.theme;bundle-version="0.9.201",
  org.eclipse.e4.ui.model.workbench;bundle-version="0.9.1",

ui/org.eclipse.pde.spy.css/src/org/eclipse/pde/spy/css/CssSpyPart.java

@@ -36,13 +36,14 @@
 import org.eclipse.e4.ui.css.core.engine.CSSEngine;
 import org.eclipse.e4.ui.css.swt.dom.WidgetElement;
 import org.eclipse.e4.ui.css.swt.engine.CSSSWTEngineImpl;
-import org.eclipse.e4.ui.model.application.ui.basic.MPart;
-import org.eclipse.e4.ui.services.IServiceConstants;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.layout.GridLayoutFactory;
 import org.eclipse.jface.layout.TableColumnLayout;
 import org.eclipse.jface.layout.TreeColumnLayout;
+import org.eclipse.jface.notifications.NotificationPopup;
 import org.eclipse.jface.viewers.CellEditor;
 import org.eclipse.jface.viewers.ColumnLabelProvider;
 import org.eclipse.jface.viewers.ColumnViewerEditor;
@@ -89,6 +90,7 @@
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Menu;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.Text;
@@ -598,6 +600,21 @@ public String getText(Object item) {
 		widgetsTableLayout.setColumnData(widgetClassColumn.getColumn(), new ColumnWeightData(40));
 		widgetsComposite.setLayout(widgetsTableLayout);
 
+		MenuManager menuManager = new MenuManager();
+		menuManager.setRemoveAllWhenShown(true);
+		menuManager.addMenuListener(manager -> {
+			Action copyAction = new Action(Messages.CssSpyPart_Copy_widget_info) {
+				@Override
+				public void run() {
+					copyWidgetHierarchyToClipboard();
+				}
+			};
+			copyAction.setEnabled(!widgetTreeViewer.getSelection().isEmpty());
+			manager.add(copyAction);
+		});
+		Menu menu = menuManager.createContextMenu(widgetTreeViewer.getControl());
+		widgetTreeViewer.getControl().setMenu(menu);
+
 		// / HEADERS
 		Composite container = new Composite(sashForm, SWT.NONE);
 		container.setLayout(new GridLayout(2, true));
@@ -1002,6 +1019,8 @@ protected void copyWidgetHierarchyToClipboard() {
 		Clipboard clipboard = new Clipboard(display);
 		try {
 			clipboard.setContents(new Object[] { sb.toString() }, new Transfer[] { TextTransfer.getInstance() });
+			NotificationPopup.forDisplay(display).text(Messages.CssSpyPart_Widget_hierarchy_copied_to_clipboard)
+					.title(Messages.CssSpyPart_Copy_widget_info, true).open();
 		} finally {
 			clipboard.dispose();
 		}

ui/org.eclipse.pde.spy.css/src/org/eclipse/pde/spy/css/Messages.java

@@ -24,6 +24,7 @@ private Messages() {
 	public static String CssSpyPart_Bounds;
 	public static String CssSpyPart_Copy_widget_info;
 	public static String CssSpyPart_Copy_widget_hierarchy_tooltip;
+	public static String CssSpyPart_Widget_hierarchy_copied_to_clipboard;
 	public static String CssSpyPart_Classes;
 	public static String CssSpyPart_CSS;
 	public static String CssSpyPart_CSS_Class;

ui/org.eclipse.pde.spy.css/src/org/eclipse/pde/spy/css/messages.properties

@@ -10,6 +10,7 @@ CssSpyPart_All_shells=All shells
 CssSpyPart_Bounds=Bounds:
 CssSpyPart_Copy_widget_info=Copy widget info to clipboard
 CssSpyPart_Copy_widget_hierarchy_tooltip=Copies the selected widget's hierarchy and CSS styling information to the clipboard
+CssSpyPart_Widget_hierarchy_copied_to_clipboard=Widget hierarchy copied to clipboard
 CssSpyPart_Classes=Classes:
 CssSpyPart_CSS=CSS
 CssSpyPart_CSS_Class=CSS Class