Add selection sync with lambda in source

Author: SougandhS

org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/actions/ToggleBreakpointAdapter.java

@@ -121,14 +121,18 @@
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.ElementListSelectionDialog;
 import org.eclipse.ui.dialogs.FilteredList;
@@ -1972,6 +1976,23 @@ protected FilteredList createFilteredList(Composite parent) {
 				FilteredList filteredList = super.createFilteredList(parent);
 				// Disable default sorting to keep the original order
 				filteredList.setComparator(new LambdaPositionComparator(lambdaNames));
+				filteredList.addSelectionListener(new SelectionAdapter() {
+					@Override
+					public void widgetSelected(SelectionEvent e) {
+						int index = filteredList.getSelectionIndex();
+						if (index >= 0) {
+							LambdaExpression lambda = lambdaExps.get(index);
+							int start = lambda.getStartPosition();
+							int length = lambda.getLength();
+							IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+							IWorkbenchPage page = window.getActivePage();
+							IEditorPart editorPart = page.getActiveEditor();
+							if (editorPart instanceof ITextEditor textEditor) {
+								textEditor.selectAndReveal(start, length);
+							}
+						}
+					}
+				});
 				return filteredList;
 			}