Attachment 239779 Details for Bug 372588 – New patch

[patch] New patch

BZ372588---JUnit-Add-Link-with-Editor-to-JUnit-view.patch (text/plain), 26.76 KB, created by Xavier Coulon

on 2014-02-10 06:17:23 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Xavier Coulon

Created: 2014-02-10 06:17:23 EST

Size: 26.76 KB

patch

obsolete

>diff --git a/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/internal/junit/model/TestCaseElement.java b/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/internal/junit/model/TestCaseElement.java
>index 54b8a91..c3967ee 100644
>--- a/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/internal/junit/model/TestCaseElement.java
>+++ b/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/internal/junit/model/TestCaseElement.java
>@@ -7,6 +7,7 @@
>  *
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>+ *     Xavier Coulon <xcoulon@redhat.com> -  [JUnit] Add "Link with Editor" to JUnit view - https://bugs.eclipse.org/bugs/show_bug.cgi?id=372588
>  *******************************************************************************/
> 
> package org.eclipse.jdt.internal.junit.model;
>@@ -14,10 +15,26 @@
> import org.eclipse.jdt.junit.model.ITestCaseElement;
> 
> import org.eclipse.core.runtime.Assert;
>+import org.eclipse.core.runtime.IAdaptable;
> 
>+import org.eclipse.jdt.core.IJavaElement;
>+import org.eclipse.jdt.core.IJavaProject;
>+import org.eclipse.jdt.core.IMethod;
>+import org.eclipse.jdt.core.IType;
>+import org.eclipse.jdt.core.JavaModelException;
> 
>-public class TestCaseElement extends TestElement implements ITestCaseElement {
>+import org.eclipse.jdt.internal.junit.JUnitCorePlugin;
> 
>+/**
>+ * 
>+ * @since 3.7 implements {@link IAdaptable}
>+ */
>+public class TestCaseElement extends TestElement implements ITestCaseElement, IAdaptable {
>+
>+	private IType fJavaType = null;
>+
>+	private IMethod fJavaMethod = null;
>+	
> 	private boolean fIgnored;
> 
> 	public TestCaseElement(TestSuiteElement parent, String id, String testName) {
>@@ -41,6 +58,48 @@
> 			return testName.substring(0, index);
> 		return testName;
> 	}
>+	
>+	/**
>+	 * {@inheritDoc}
>+	 * @see org.eclipse.jdt.junit.model.ITestCaseElement#getJavaMethod()
>+	 */
>+	public IMethod getJavaMethod() {
>+		if(fJavaMethod == null) {
>+			try {
>+				String testMethodName= getTestMethodName();
>+				// parameterized tests show an index that should be removed from the name
>+				final int index= testMethodName.indexOf('[');
>+				if (index != -1) {
>+					fJavaMethod= findJavaMethod(testMethodName.substring(0, index));
>+				} else {
>+					fJavaMethod= findJavaMethod(testMethodName);
>+				}
>+			} catch (JavaModelException e) {
>+				JUnitCorePlugin.log(e);
>+			}
>+		}
>+		return fJavaMethod;
>+	}
>+	
>+	/**
>+	 * Finds and returns the {@link IMethod} associated with this {@link TestCaseElement}.
>+	 * 
>+	 * @param methodName the name of the method to find 
>+	 * @return the corresponding Java method element or null if not found.
>+	 * @throws JavaModelException if the inspection of one of the java elements in the given editor failed.
>+	 */
>+	private IMethod findJavaMethod(final String methodName) throws JavaModelException {
>+		final IType type= getJavaType();
>+		if(type != null) {
>+			final IMethod[] methods= type.getMethods();
>+			for (int i = 0; i < methods.length; i++) {
>+				if (methods[i].getElementName().equals(methodName)) {
>+					return methods[i];
>+				}
>+			}
>+		}
>+		return null;
>+	}
> 
> 	/**
> 	 * {@inheritDoc}
>@@ -48,6 +107,39 @@
> 	 */
> 	public String getTestClassName() {
> 		return getClassName();
>+	}
>+
>+	/**
>+	 * @return the Java {@link IType} associated with this {@link TestCaseElement}.
>+	 * {@inheritDoc}
>+	 * @see org.eclipse.jdt.junit.model.ITestCaseElement#getJavaType()
>+	 */
>+	public IType getJavaType() {
>+		if(fJavaType == null) {
>+			try {
>+				String[] items= getTestClassName().split("\\."); //$NON-NLS-1$
>+				StringBuilder builder= new StringBuilder();
>+				boolean primaryTypeFound= false;
>+				for (int i= 0; i < items.length; i++) {
>+					builder.append(items[i]);
>+					boolean firstChar= Character.isUpperCase(items[i].charAt(0));
>+					if (firstChar && !primaryTypeFound) {
>+						primaryTypeFound= true;
>+					}
>+					if (i < items.length - 1) {
>+						if (primaryTypeFound) {
>+							builder.append('$');
>+						} else {
>+							builder.append('.');
>+						}
>+					}
>+				}
>+				fJavaType= getTestRunSession().getLaunchedProject().findType(builder.toString());
>+			} catch (JavaModelException e) {
>+				JUnitCorePlugin.log(e);
>+			}
>+		}
>+		return fJavaType;
> 	}
> 
> 	/*
>@@ -72,4 +164,37 @@
> 	public String toString() {
> 		return "TestCase: " + getTestClassName() + "." + getTestMethodName() + " : " + super.toString(); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
> 	}
>+
>+	/**
>+	 * Provides support for converting this {@link TestCaseElement} into an {@link IJavaElement}.
>+	 * @param adapter the class in which this {@link TestCaseElement} should be adapted.
>+	 * @return an object in the request type, or null if it could not be adapted.
>+	 * @since 3.7
>+	 */
>+	public Object getAdapter(Class adapter) {
>+		if(adapter != null && adapter.equals(IJavaElement.class)) {
>+			if(fJavaMethod == null) {
>+				try {
>+					final IJavaProject launchedProject= getTestRunSession().getLaunchedProject();
>+					final IType type= launchedProject.findType(this.getTestClassName());
>+					if(type != null && type.exists()) {
>+						final IMethod[] methods= type.getMethods();
>+						if(methods != null) {
>+							for(int i = 0; i < methods.length; i++) {
>+								if(methods[i].getElementName().equals(this.getJavaMethod())) {
>+									fJavaMethod = methods[i];
>+									break;
>+								}
>+							}
>+						}
>+					}
>+
>+				} catch (JavaModelException e) {
>+					JUnitCorePlugin.log(e);
>+				}
>+			}
>+			return fJavaMethod;
>+		}
>+		return null;
>+	}
> }
>diff --git a/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/model/ITestCaseElement.java b/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/model/ITestCaseElement.java
>index febad01..fefd8e0 100644
>--- a/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/model/ITestCaseElement.java
>+++ b/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/model/ITestCaseElement.java
>@@ -7,8 +7,12 @@
>  *
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>+ *     Xavier Coulon <xcoulon@redhat.com> -  [JUnit] Add "Link with Editor" to JUnit view - https://bugs.eclipse.org/bugs/show_bug.cgi?id=372588
>  *******************************************************************************/
> package org.eclipse.jdt.junit.model;
>+
>+import org.eclipse.jdt.core.IMethod;
>+import org.eclipse.jdt.core.IType;
> 
> /**
>  * Represents a test case element.
>@@ -31,10 +35,26 @@
> 	public String getTestMethodName();
> 
> 	/**
>+	 * Returns the Java method.
>+	 *
>+	 * @return returns the Java method.
>+	 * @since 3.7
>+	 */
>+	public IMethod getJavaMethod();
>+	
>+	/**
> 	 * Returns the qualified type name of the class the test is contained in.
> 	 *
> 	 * @return the qualified type name of the class the test is contained in.
> 	 */
> 	public String getTestClassName();
> 
>+	/**
>+	 * Returns Java type the test is contained in.
>+	 *
>+	 * @return Java type the test is contained in.
>+	 * @since 3.7
>+	 */
>+	public IType getJavaType();
>+	
> }
>diff --git a/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java b/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
>index ccf104e..55d7870 100644
>--- a/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
>+++ b/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
>@@ -16,6 +16,7 @@
>  *     Andrew Eisenberg <andrew@eisenberg.as> - [JUnit] Rerun failed first does not work with JUnit4 - https://bugs.eclipse.org/bugs/show_bug.cgi?id=140392
>  *     Thirumala Reddy Mutchukota <thirumala@google.com> - [JUnit] Avoid rerun test launch on UI thread - https://bugs.eclipse.org/bugs/show_bug.cgi?id=411841
>  *     Andrew Eisenberg <andrew@eisenberg.as> - [JUnit] Add a monospace font option for the junit results view - https://bugs.eclipse.org/bugs/show_bug.cgi?id=411794
>+ *     Xavier Coulon <xcoulon@redhat.com> -  [JUnit] Add "Link with Editor" to JUnit view - https://bugs.eclipse.org/bugs/show_bug.cgi?id=372588
>  *******************************************************************************/
> package org.eclipse.jdt.internal.junit.ui;
> 
>@@ -96,6 +97,7 @@
> import org.eclipse.jface.dialogs.MessageDialog;
> import org.eclipse.jface.operation.IRunnableWithProgress;
> import org.eclipse.jface.resource.ImageDescriptor;
>+import org.eclipse.jface.viewers.ISelection;
> 
> import org.eclipse.ui.IActionBars;
> import org.eclipse.ui.IEditorActionBarContributor;
>@@ -149,6 +151,9 @@
> 
> import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
> 
>+import org.eclipse.jdt.ui.PreferenceConstants;
>+
>+import org.eclipse.jdt.internal.ui.actions.AbstractToggleLinkingAction;
> import org.eclipse.jdt.internal.ui.viewsupport.ViewHistory;
> 
> /**
>@@ -210,6 +215,14 @@
> 	private Action fPreviousAction;
> 
> 	private StopAction fStopAction;
>+
>+	
>+	/**
>+	 * Helper to open and activate editors.
>+	 * @since 3.7
>+	 */
>+	private LinkWithEditorAction fLinkWithEditorAction;
>+
> 	private JUnitCopyAction fCopyAction;
> 	private Action fPasteAction;
> 
>@@ -705,6 +718,7 @@
> 			startUpdateJobs();
> 
> 			fStopAction.setEnabled(true);
>+			fLinkWithEditorAction.setEnabled(true);
> 			fRerunLastTestAction.setEnabled(true);
> 		}
> 
>@@ -722,6 +736,7 @@
> 					if (isDisposed())
> 						return;
> 					fStopAction.setEnabled(lastLaunchIsKeptAlive());
>+					fLinkWithEditorAction.setEnabled(fTestRunSession != null);
> 					updateRerunFailedFirstAction();
> 					processChangesInUI();
> 					if (hasErrorsOrFailures()) {
>@@ -897,6 +912,33 @@
> 			stopTest();
> 			setEnabled(false);
> 		}
>+	}
>+
>+	/**
>+	 * This action toggles whether this {@link TestRunnerViewPart} links
>+	 * its selection to the active editor.
>+	 *
>+	 */
>+	private class LinkWithEditorAction extends AbstractToggleLinkingAction {
>+		
>+		LinkWithEditorAction() {
>+			boolean isLinkingEnabled= PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.LINK_BROWSING_JUNIT_TESTS_TO_EDITOR);
>+			setChecked(isLinkingEnabled);
>+		}
>+		
>+		@Override
>+		public void run() {
>+			PreferenceConstants.getPreferenceStore().setValue(PreferenceConstants.LINK_BROWSING_JUNIT_TESTS_TO_EDITOR, isChecked());
>+			setLinkingActive(isChecked());
>+		}
>+	}
>+	
>+	/**
>+	 * @return {@code true} if the {@link LinkWithEditorAction} is checked, false otherwise.
>+	 * @since 3.7
>+	 */
>+	public boolean isLinkWithEditorActive() {
>+		return fLinkWithEditorAction.isChecked();
> 	}
> 
> 	private class RerunLastAction extends Action {
>@@ -1200,6 +1242,18 @@
> 		}
> 	}
> 
>+	/**
>+	 * Activate the 'Link with Editor' in the current {@link IWorkbenchPage}. 
>+	 * (The {@link TestViewer} will respond to {@link ISelection} changes.) 
>+	 * 
>+	 * @param active boolean to indicate if the link with editor is active ({@code true}) or not ({@code false})
>+	 * 
>+	 * @since 3.7
>+	 */
>+	public void setLinkingActive(boolean active) {
>+		fTestViewer.setLinkingActive(getSite().getPage(), active);
>+	}
>+	
> 	private void startUpdateJobs() {
> 		postSyncProcessChanges();
> 
>@@ -1507,11 +1561,13 @@
> 				startUpdateJobs();
> 
> 				fStopAction.setEnabled(true);
>+				fLinkWithEditorAction.setEnabled(true);
> 
> 			} else /* old or fresh session: don't want jobs at this stage */ {
> 				stopUpdateJobs();
> 
> 				fStopAction.setEnabled(fTestRunSession.isKeptAlive());
>+				fLinkWithEditorAction.setEnabled(fTestRunSession != null);
> 				fTestViewer.expandFirstLevel();
> 			}
> 		}
>@@ -1579,6 +1635,7 @@
> 		if (fFailureTrace != null) {
> 			fFailureTrace.dispose();
> 		}
>+		//getSite().getPage().removeSelectionListener(fTestViewer);
> 	}
> 
> 	private void disposeImages() {
>@@ -1783,6 +1840,7 @@
> 		if (!testRunSessions.isEmpty()) {
> 			fTestRunSessionListener.sessionAdded(testRunSessions.get(0));
> 		}
>+		
> 	}
> 
> 	private void addDropAdapter(Composite parent) {
>@@ -1887,6 +1945,9 @@
> 		fStopAction= new StopAction();
> 		fStopAction.setEnabled(false);
> 
>+		fLinkWithEditorAction= new LinkWithEditorAction();
>+		fLinkWithEditorAction.setEnabled(false);
>+		
> 		fRerunLastTestAction= new RerunLastAction();
> 		IHandlerService handlerService= (IHandlerService) getSite().getWorkbenchWindow().getService(IHandlerService.class);
> 		IHandler handler = new AbstractHandler() {
>@@ -1937,7 +1998,8 @@
> 		toolBar.add(fRerunFailedFirstAction);
> 		toolBar.add(fStopAction);
> 		toolBar.add(fViewHistory.createHistoryDropDownAction());
>-
>+		toolBar.add(new Separator());
>+		toolBar.add(fLinkWithEditorAction);
> 
> 		viewMenu.add(fShowTestHierarchyAction);
> 		viewMenu.add(fShowTimeAction);
>diff --git a/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestViewer.java b/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestViewer.java
>index e050d66..b85afd6 100644
>--- a/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestViewer.java
>+++ b/org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestViewer.java
>@@ -9,6 +9,7 @@
>  *     IBM Corporation - initial API and implementation
>  *     Brock Janiczak (brockj@tpg.com.au)
>  *         - https://bugs.eclipse.org/bugs/show_bug.cgi?id=102236: [JUnit] display execution time next to each test
>+ *     Xavier Coulon <xcoulon@redhat.com> -  [JUnit] Add "Link with Editor" to JUnit view - https://bugs.eclipse.org/bugs/show_bug.cgi?id=372588
>  *******************************************************************************/
> 
> package org.eclipse.jdt.internal.junit.ui;
>@@ -21,7 +22,9 @@
> import java.util.List;
> import java.util.ListIterator;
> 
>+import org.eclipse.jdt.junit.model.ITestCaseElement;
> import org.eclipse.jdt.junit.model.ITestElement;
>+import org.eclipse.jdt.junit.model.ITestSuiteElement;
> 
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.dnd.Clipboard;
>@@ -38,7 +41,10 @@
> import org.eclipse.jface.action.MenuManager;
> import org.eclipse.jface.action.Separator;
> import org.eclipse.jface.viewers.AbstractTreeViewer;
>+import org.eclipse.jface.viewers.IPostSelectionProvider;
>+import org.eclipse.jface.viewers.ISelection;
> import org.eclipse.jface.viewers.ISelectionChangedListener;
>+import org.eclipse.jface.viewers.ISelectionProvider;
> import org.eclipse.jface.viewers.IStructuredSelection;
> import org.eclipse.jface.viewers.SelectionChangedEvent;
> import org.eclipse.jface.viewers.StructuredSelection;
>@@ -48,12 +54,25 @@
> import org.eclipse.jface.viewers.Viewer;
> import org.eclipse.jface.viewers.ViewerFilter;
> 
>+import org.eclipse.jface.text.ITextSelection;
>+
>+import org.eclipse.ui.IEditorPart;
>+import org.eclipse.ui.IEditorReference;
>+import org.eclipse.ui.IPartListener2;
>+import org.eclipse.ui.ISelectionListener;
> import org.eclipse.ui.IWorkbenchActionConstants;
>+import org.eclipse.ui.IWorkbenchPage;
>+import org.eclipse.ui.IWorkbenchPart;
>+import org.eclipse.ui.IWorkbenchPartReference;
>+import org.eclipse.ui.PartInitException;
> import org.eclipse.ui.part.PageBook;
> 
> import org.eclipse.debug.core.ILaunchManager;
> 
>+import org.eclipse.jdt.core.ICompilationUnit;
>+import org.eclipse.jdt.core.IJavaElement;
> import org.eclipse.jdt.core.IJavaProject;
>+import org.eclipse.jdt.core.IMethod;
> import org.eclipse.jdt.core.IType;
> import org.eclipse.jdt.core.JavaModelException;
> 
>@@ -64,6 +83,11 @@
> import org.eclipse.jdt.internal.junit.model.TestRunSession;
> import org.eclipse.jdt.internal.junit.model.TestSuiteElement;
> 
>+import org.eclipse.jdt.ui.JavaUI;
>+
>+import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
>+import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
>+import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
> import org.eclipse.jdt.internal.ui.viewsupport.ColoringLabelProvider;
> import org.eclipse.jdt.internal.ui.viewsupport.SelectionProviderMediator;
> 
>@@ -302,6 +326,27 @@
> 			testElement= (TestElement) selection.getFirstElement();
> 		}
> 		fTestRunnerPart.handleTestSelected(testElement);
>+		// if LinkWithEditor is active, reveal the JavaEditor and select the java method 
>+		// matching the selected test element, even if the JavaEditor is opened by not active.
>+		if(fTestRunnerPart.isLinkWithEditorActive() && testElement instanceof TestCaseElement) {
>+			handleTestSelected((TestCaseElement) testElement);
>+		}
>+	}
>+	
>+	/**
>+	 * Reacts to a selection change in another {@link IWorkbenchPart}. If the given
>+	 * {@link ISelection} matches an existing {@link TestCaseElement} in the viewer, this later will
>+	 * be selected.
>+	 * 
>+	 * @param part the part in which the selection changed.
>+	 * @param selection the new selection
>+	 * 
>+	 * @since 3.7
>+	 */
>+	public void selectionChanged(IWorkbenchPart part, ISelection selection) {
>+		if(fTestRunnerPart.isLinkWithEditorActive() && fTestRunnerPart.isLinkWithEditorActive() && part instanceof CompilationUnitEditor) {
>+			setSelection((CompilationUnitEditor)part);
>+		}
> 	}
> 
> 	public synchronized void setShowTime(boolean showTime) {
>@@ -568,6 +613,64 @@
> 			fTreeViewer.reveal(current);
> 	}
> 
>+	/**
>+	 * Sets the current selection from the given {@link CompilationUnitEditor} and its selection.
>+	 * @param editor the selected Java Element in the active Java Editor
>+	 * 
>+	 */
>+	private void setSelection(final CompilationUnitEditor editor) {
>+		final ISelectionProvider selectionProvider = editor.getSelectionProvider();
>+		final IJavaElement selectedJavaElement= getSelectedJavaElementInEditor(JavaUI.getEditorInputJavaElement(editor.getEditorInput()), selectionProvider.getSelection());
>+		if(selectedJavaElement != null) {
>+			setSelection(selectedJavaElement);
>+			fJavaEditorSelectionListener = new JavaEditorSelectionListener((ICompilationUnit)selectedJavaElement.getAncestor(IJavaElement.COMPILATION_UNIT));
>+			((IPostSelectionProvider)editor.getSelectionProvider()).addPostSelectionChangedListener(fJavaEditorSelectionListener);
>+		}
>+	}
>+
>+	/**
>+	 * Selects the  the current selection from the given {@link IJavaElement} if it is an {@link IMethod}
>+	 * @param activeJavaElement the selected Java Element in the active Java Editor
>+	 * 
>+	 */
>+	private void setSelection(final IJavaElement activeJavaElement) {
>+		// select the method in the JUnit ViewPart
>+		// skip if history was cleared and 'Link with Editor' is still enabled.
>+		if(fTestRunSession != null && activeJavaElement != null && activeJavaElement.getElementType() == IJavaElement.METHOD) {
>+			final IMethod activeJavaMethod = (IMethod)activeJavaElement;
>+			final IType activeJavaType = (IType)activeJavaMethod.getAncestor(IJavaElement.TYPE);
>+			final String testClassName= activeJavaType.getFullyQualifiedName();
>+			final String testMethodName= activeJavaMethod.getElementName();
>+			final ITestCaseElement activeTestCaseElement = findTestCaseElement(fTestRunSession.getTestRoot(), testClassName, testMethodName);
>+			if(activeTestCaseElement != null) {
>+				final StructuredSelection selection= new StructuredSelection(activeTestCaseElement);
>+				if(!selection.equals(getActiveViewer().getSelection())) {
>+					fSelectionProvider.setSelection(selection, true);
>+				}
>+			}
>+			
>+		}		
>+	}
>+	
>+	private ITestCaseElement findTestCaseElement(final ITestSuiteElement parentElement, final String testClassName, final String testMethodName) {
>+		for(ITestElement childElement : parentElement.getChildren()) {
>+			if(childElement instanceof ITestCaseElement) {
>+				ITestCaseElement testCaseElement = (ITestCaseElement)childElement;
>+				if (testCaseElement.getJavaType() != null && testCaseElement.getJavaType().getFullyQualifiedName().equals(testClassName) && testCaseElement.getJavaMethod() != null
>+						&& testCaseElement.getJavaMethod().getElementName().equals(testMethodName)) {
>+					return testCaseElement;
>+				}
>+			} else if(childElement instanceof ITestSuiteElement) {
>+				final ITestCaseElement localResult= findTestCaseElement((ITestSuiteElement)childElement, testClassName, testMethodName);
>+				if(localResult != null) {
>+					return localResult;
>+				}
>+			}
>+		}
>+		return null;
>+
>+	}
>+	
> 	public void selectFirstFailure() {
> 		TestCaseElement firstFailure= getNextChildFailure(fTestRunSession.getTestRoot(), true);
> 		if (firstFailure != null)
>@@ -680,6 +783,187 @@
> 	public void expandFirstLevel() {
> 		fTreeViewer.expandToLevel(2);
> 	}
>+	
>+	/**
>+	 * Links the selected test method with the Java Editor
>+	 * @param page the currently active page
>+	 * @param active boolean to indicate if the link with editor is enabled ({@code true}) or not ({@code false})
>+	 * 
>+	 * @since 3.7
>+	 */
>+	public void setLinkingActive(final IWorkbenchPage page, final boolean active) {
>+		if(page == null) {
>+			return;
>+		}
>+		if (active) {
>+			// add an IPartListener for future editor activations/opening/closing/etc.
>+			page.addPartListener(fLinkWithEditorPartListener);
>+			page.addPostSelectionListener(fLinkWithEditorSelectionListener);
>+			if(page.getActiveEditor() instanceof CompilationUnitEditor) {
>+				setSelection((CompilationUnitEditor)page.getActiveEditor());
>+			}
>+		} else {
>+			// removes the IPartListener
>+			page.removePartListener(fLinkWithEditorPartListener);
>+			page.removePostSelectionListener(fLinkWithEditorSelectionListener);
>+		}
>+	}
>+	
>+	private final IPartListener2 fLinkWithEditorPartListener= new IPartListener2() {
>+		public void partVisible(IWorkbenchPartReference partRef) {}
>+		public void partBroughtToTop(IWorkbenchPartReference partRef) {}
>+		public void partHidden(IWorkbenchPartReference partRef) {}
>+		public void partOpened(IWorkbenchPartReference partRef) {}
>+		public void partInputChanged(IWorkbenchPartReference partRef) {}
>+		public void partClosed(IWorkbenchPartReference partRef) {}
> 
>+		public void partActivated(IWorkbenchPartReference partRef) {
>+			if (partRef instanceof IEditorReference) {
>+				editorActivated(((IEditorReference) partRef).getEditor(true));
>+			}
>+		}
>+		
>+		public void partDeactivated(IWorkbenchPartReference partRef) {
>+			if (partRef instanceof IEditorReference) {
>+				editorDeactivated(((IEditorReference) partRef).getEditor(true));
>+			}
>+		}
>+
>+	};
>+	
>+	private ISelectionListener fLinkWithEditorSelectionListener = new ISelectionListener() {
>+		
>+		public void selectionChanged(IWorkbenchPart editor, ISelection selection) {
>+			if(editor instanceof CompilationUnitEditor && selection instanceof ITextSelection) {
>+				setSelection((CompilationUnitEditor)editor);
>+			}
>+		}
>+
>+	};
>+	
>+	private JavaEditorSelectionListener fJavaEditorSelectionListener;
>+
>+	/**
>+	 * Static Inner Java Editor selection listener
>+	 * When the user moves to another 
>+	 * @since 3.7
>+	 */
>+	private class JavaEditorSelectionListener implements ISelectionChangedListener {
>+		
>+		private final ICompilationUnit compilationUnit;
>+
>+		JavaEditorSelectionListener(final ICompilationUnit compilationUnit) {
>+			this.compilationUnit = compilationUnit;
>+		}
>+		
>+		public void selectionChanged(final SelectionChangedEvent event) {
>+			IJavaElement selectedJavaElement= getSelectedJavaElementInEditor(compilationUnit, event.getSelection());
>+			setSelection(selectedJavaElement);
>+		}
>+		
>+		/**
>+		 * Overriding java.lang.Object#hashCode() using the
>+		 * {@link ICompilationUnit#getHandleIdentifier()} value to avoid duplicate listener
>+		 * registrations in the {@link JavaEditor}'s {@link IPostSelectionProvider}.
>+		 */
>+		@Override
>+		public int hashCode() {
>+			final int prime= 31;
>+			int result= 1;
>+			result= prime * result + ((compilationUnit == null) ? 0 : compilationUnit.getHandleIdentifier().hashCode());
>+			return result;
>+		}
>+
>+		/**
>+		 * Overriding java.lang.Object#equals() using the
>+		 * {@link ICompilationUnit#getHandleIdentifier()} value to avoid duplicate listener
>+		 * registrations in the {@link JavaEditor}'s {@link IPostSelectionProvider}.
>+		 */
>+		@Override
>+		public boolean equals(Object obj) {
>+			if (this == obj) {
>+				return true;
>+			}
>+			if (obj == null) {
>+				return false;
>+			}
>+			if (getClass() != obj.getClass()) {
>+				return false;
>+			}
>+			JavaEditorSelectionListener other= (JavaEditorSelectionListener)obj;
>+			if (compilationUnit == null) {
>+				if (other.compilationUnit != null) {
>+					return false;
>+				}
>+			} else if (!compilationUnit.getHandleIdentifier().equals(other.compilationUnit.getHandleIdentifier())) {
>+				return false;
>+			}
>+			return true;
>+		}
>+	}
>+	
>+	/**
>+	 * An editor has been activated.  Set the selection in this JUnit ViewPart
>+	 * to match the editor's input, if linking is enabled.
>+	 * @param editor the activated editor
>+	 */
>+	private void editorActivated(IEditorPart editor) {
>+		if(!(editor instanceof CompilationUnitEditor)) {
>+			return;
>+		}
>+		CompilationUnitEditor javaEditor= (CompilationUnitEditor)editor;
>+		setSelection(javaEditor);
>+	}
>+
>+	private IJavaElement getSelectedJavaElementInEditor(final IJavaElement javaElement, final ISelection selection) {
>+		if(javaElement instanceof ICompilationUnit && selection instanceof ITextSelection) {
>+			try {
>+				return ((ICompilationUnit)javaElement).getElementAt(((ITextSelection)selection).getOffset());
>+			} catch(JavaModelException e) {
>+				JUnitPlugin.log(e);
>+			}
>+		}
>+		return null;
>+	}
>+	
>+	/**
>+	 * An editor has been deactivated. 
>+	 * @param editor the activated editor
>+	 */
>+	private void editorDeactivated(IEditorPart editor) {
>+		if(fJavaEditorSelectionListener != null & editor instanceof CompilationUnitEditor) {
>+			final IPostSelectionProvider selectionProvider = (IPostSelectionProvider)((CompilationUnitEditor)editor).getSelectionProvider();
>+			selectionProvider.removePostSelectionChangedListener(fJavaEditorSelectionListener);
>+		}
>+	}
>+
>+	private void handleTestSelected(final TestCaseElement testCaseElement) {
>+		try {
>+			final IType type= testCaseElement.getJavaType();
>+			final IEditorPart editor= EditorUtility.isOpenInEditor(type);
>+			final IMethod selectedMethod= testCaseElement.getJavaMethod();
>+			if(selectedMethod != null && editor != null && editor instanceof JavaEditor) {
>+				final JavaEditor javaEditor = (JavaEditor)editor;
>+				final ITextSelection javaEditorSelection= (ITextSelection)javaEditor.getSelectionProvider().getSelection();
>+				final IJavaElement javaEditorSelectedElement= type.getCompilationUnit().getElementAt(javaEditorSelection.getOffset());
>+				IEditorPart selectedMethodEditor = EditorUtility.isOpenInEditor(selectedMethod);
>+				// checks if the editor is already open or not
>+				if(selectedMethodEditor != null) {
>+					EditorUtility.openInEditor(selectedMethod, false);
>+					if(!selectedMethod.equals(javaEditorSelectedElement)) {
>+						EditorUtility.revealInEditor(selectedMethodEditor, selectedMethod);
>+					}
>+				}
>+				if(!selectedMethod.equals(javaEditorSelectedElement)) {
>+					JavaUI.revealInEditor(editor, (IJavaElement)selectedMethod);
>+				}
>+			}
>+		} catch(JavaModelException e) {
>+			JUnitPlugin.log(e);
>+		} catch(PartInitException e) {
>+			// ignore if no editor input can be found
>+		}		
>+	}
>+	
> }
> 
>diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
>index 9709fe8..69bcd75 100644
>--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
>+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
>@@ -460,6 +460,16 @@
> 	 */
> 	public static final String LINK_BROWSING_PACKAGES_TO_EDITOR= "org.eclipse.jdt.ui.browsing.packagestoeditor"; //$NON-NLS-1$
> 
>+	/**
>+	 * A named preference that controls whether the JUnit view's selection is
>+	 * linked to the active editor.
>+	 * <p>
>+	 * Value is of type <code>Boolean</code>.
>+	 * </p>
>+	 * @since 3.9
>+	 */
>+	public static final String LINK_BROWSING_JUNIT_TESTS_TO_EDITOR= "org.eclipse.jdt.ui.browsing.junitteststoeditor"; //$NON-NLS-1$
>+
> 
> 
> 	/**

Flags:

manju656: review-

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