Add selection sync with lambda source & Fix ordering for duplicates

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;
@@ -149,6 +153,7 @@ public class ToggleBreakpointAdapter implements IToggleBreakpointsTargetExtensio
 	private static final String LAMBDA_SEPARATOR = " "; //$NON-NLS-1$
 	private static final int MAX_LAMBDA_LINE_LENGTH = 25;
 	private static final int MAX_TOTAL_LAMBDA_LINE_LENGTH = MAX_LAMBDA_LINE_LENGTH * 2;
+	private static final String ZERO_WIDTH_SPACE = "\u200B"; //$NON-NLS-1$
 
 	/**
 	 * Constructor
@@ -1964,14 +1969,36 @@ private static ICompilationUnit getCompilationUnit(ITextEditor editor) {
 	}
 
 	public int selectLambda(List<LambdaExpression> lambdaExps) {
-		List<String> lambdaNames = lambdaExps.stream().map(expr -> shortenLambdaExpression(expr.toString())).toList();
+		Map<String, Integer> seen = new HashMap<>();
+		List<String> lambdaNames = lambdaExps.stream().map(expr -> shortenLambdaExpression(expr.toString())).map(name -> {
+			int count = seen.getOrDefault(name, 0);
+			seen.put(name, count + 1);
+			return count == 0 ? name : name + ZERO_WIDTH_SPACE.repeat(count);
+		}).toList();
 		LambdaLabelProvider lambdaLabelProvider = new LambdaLabelProvider(lambdaExps, lambdaNames);
 		ElementListSelectionDialog dialog = new ElementListSelectionDialog(DebugUIPlugin.getShellForModalDialog(), lambdaLabelProvider) {
 			@Override
 			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;
 			}