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orgeclipsecontributionjunit/TestReportView
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public void handleDefaultSelected() { IStructuredSelection s= (IStructuredSelection)viewergetSelection(); Object firstElement= sgetFirstElement(); if (firstElement != null) openTest((TestResult)firstElement); } We declare the method public so that our test can call it as well A table viewer is a structure-oriented viewer like a tree or a list and it therefore maintains a structured selection When we request the current selection from the viewer, we can therefore safely downcast it to an IStructuredSelection From the selection, we are only interested in the first element and we know that our table shows TestResults Therefore, we cast the first selected element to TestResult and call another helper method to open the result in the Java editor:
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private void openTest(TestResult result) { try { IType type= resultprojectfindType(resultklass); IJavaElement testMethod= typegetMethod(resultmethod, new String[0]);
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IEditorPart part= JavaUIopenInEditor(type); JavaUIrevealInEditor(part, testMethod);
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} catch (CoreException e) { // TODO error handling } } The class JavaUI is defined in orgeclipsejdtui We have to add this plug-in to the list of required plug-ins in the manifest JavaUI is a Fa ade for Java user-interface related functionality It provides the methods openInEditor() to open a Java element in an editor and revealInEditor() to select and reveal a Java element in an editor We convert the test result into a type and method We have already done this in the MarkerCreator We use the same methods for the conversion Once we have the Java elements we can use the JavaUI methods to open and reveal the selected test To finish this chapter, let's make the open-in-editor function also available from the view's toolbar, as shown in Figure 2312
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Here is the test we wrote for this feature It asserts that the view's toolbar has a single item:
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orgeclipsecontributionjunittest/TestReportTest
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public void testActionInToolbar() throws Exception { showView(); IActionBars actionBars= viewgetViewSite()getActionBars(); IToolBarManager manager= actionBarsgetToolBarManager(); assertEquals(1, managergetItems()length); } To make this test pass, we implement a JFace action that we then contribute to the local toolbar A JFace action allows us to define the response to a user event When using a JFace action we don't have to handle the SWT event directly, JFace does this for us This is useful because it allows us to implement actions independent of the widget that triggered the event We implement a GotoTestAction as an inner class of TestReportView
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private class GotoTestAction extends Action { private GotoTestAction() { setText("Go to Test"); setToolTipText("Go to the Selected Test"); ImageDescriptor descriptor= PlatformUIgetWorkbench()getSharedImages() getImageDescriptor(ISharedImagesIMG_OPEN_MARKER); setImageDescriptor(descriptor); } public void run(){ handleDefaultSelected(); } } We configure the action with all the UI information an image, tooltip, and label so that the action can be associated with buttons, menu items, or toolbar items All this information is defined in the action's constructor The action's text and the tooltip should use book title capitalization Incorrect capitalization is a common source of UI inconsistencies For the action's image we can use a shared image that is provided by the workbench The workbench and the Java development tools provide a set of shared images other plug-ins can reuse Constants for the available images are defined in orgeclipseuiISharedImages for the workbench and inorgeclipsejdtuiISharedImages for the Java development tools Using a shared image ensures visual consistency, and even better, we don't have to manage these images ourselves The action's run() method implements the response to the user event This is the same response as when the user double clicked a test result We can therefore simply call handleDefaultSelected() as we did for the double click event The last thing to do is install the action in the view's toolbar We extend the view's createPartControl() as follows:
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orgeclipsecontributionjunit/TestReportView
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public void createPartControl(Composite parent) { //
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IActionBars actionBars= getViewSite()getActionBars(); actionBarsgetToolBarManager()add(new GotoTestAction()); } A view gets access to its menu, toolbar, and status line through the IActionBars interface that we retrieve from the view's site We are done with a basicTestReportView and have also fixed the ResultView We could do more, for example
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Showing the stack trace of a selected failure Adding an option to bring the view to front at the beginning of a test run Reviewing this chapter, we have
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Used JFace to implement a tabular TestReportView Implemented a simple domain model and a corresponding label provider and content provider Shown how to use the syncExec() method to handle the case when you need to interact with SWT widgets but you are not in the main thread Used a selection listener to handle double clicks Contributed an action to the view's toolbar
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