Bug 58985 [Dialogs] WizardDialog.getButton( IDialogConstants.CANCLE_ID ) always returns null
Here's a test case for this bug. Watch the stdout of the program. --WizardDialogBug import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.wizard.IWizard; import org.eclipse.jface.wizard.Wizard; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class WizardDialogBug { public static void main(String[] args) { WizardDialogBug wizardDialogBug = new WizardDialogBug(); wizardDialogBug.run(); } public void run() { Display display = new Display(); Shell shell = new Shell( display, SWT.NONE ); TestWizard wizard = new TestWizard(); TestWizardDialog dialog = new TestWizardDialog( shell, wizard ); dialog.setBlockOnOpen( false ); dialog.open(); while( !shell.isDisposed() ) if( !display.readAndDispatch() ) display.sleep(); display.dispose(); } // test WizardPage public class TestWizardPage extends WizardPage { public TestWizardPage() { super( "TestWizardPage" ); } public void createControl(Composite parent) { Button b = new Button( parent, SWT.PUSH ); b.setText( "Button" ); setControl( b ); } } // test Wizard public class TestWizard extends Wizard { public TestWizard() { super(); setWindowTitle( "TestWizard" ); } public void addPages() { addPage( new TestWizardPage() ); } public boolean performFinish() { return false; } } // test WizardDialog public class TestWizardDialog extends WizardDialog { public TestWizardDialog( Shell shell, IWizard wizard ) { super( shell, wizard ); } public int open() { int rc = super.open(); // by now, all controls should have been created; System.out.println( getButton( IDialogConstants.FINISH_ID ) ); System.out.println( getButton( IDialogConstants.CANCEL_ID ) ); return rc; } } }
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
private IWizardPage currentPage = null;
		
	private long activeRunningOperations = 0;
	
	private String pageMessage;
	private int pageMessageType = IMessageProvider.NONE;
	private String pageDescription;
	
	private ProgressMonitorPart progressMonitorPart;
	private Cursor waitCursor;
	private Cursor arrowCursor;
	private MessageDialog windowClosingDialog;
	
	private Button backButton;
	private Button nextButton;
	private Button finishButton;
	private Button cancelButton;
	private Button helpButton;
	private SelectionAdapter cancelListener;
	private boolean isMovingToPreviousPage = false;
	private Composite pageContainer;
	private PageContainerFillLayout pageContainerLayout = new PageContainerFillLayout(5, 5, 300,
			225);
	private int pageWidth = SWT.DEFAULT;
	private int pageHeight = SWT.DEFAULT;
	private static final String FOCUS_CONTROL = "focusControl"; 
	/**
	 * A layout for a container which includes several pages, like
	 * a notebook, wizard, or preference dialog. The size computed by