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
*/
	protected Control createContents(Composite parent) {
		
		
		
		wizard.addPages();
		Control contents = super.createContents(parent);
		
		createPageControls();
		
		showStartingPage();
		return contents;
	}
	/* (non-Javadoc)
	 * Method declared on Dialog.
	 */
	protected Control createDialogArea(Composite parent) {
		Composite composite = (Composite) super.createDialogArea(parent);
		
		pageContainer = createPageContainer(composite);
		GridData gd = new GridData(GridData.FILL_BOTH);
		gd.widthHint = pageWidth;
		gd.heightHint = pageHeight;
		pageContainer.setLayoutData(gd);
		pageContainer.setFont(parent.getFont());
		 
		GridLayout pmlayout = new GridLayout();
		pmlayout.numColumns = 1;
		progressMonitorPart = createProgressMonitorPart(composite, pmlayout);
		progressMonitorPart.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));