/* (non-Javadoc)
* Method declared on IWizardContainer.
*/
public void updateButtons() {
boolean previewPage = isPreviewPageActive();
boolean ok = fWizard.canFinish();
boolean canFlip = fCurrentPage.canFlipToNextPage();
Button defaultButton = null;
Button previewButton = getButton(PREVIEW_ID);
if (previewButton != null && !previewButton.isDisposed()) {
String previewLabel =
previewPage
? IDialogConstants.BACK_LABEL
: RefactoringUIMessages.RefactoringWizardDialog2_buttons_preview_label;
previewButton.setText(previewLabel);
setButtonLayoutData(previewButton);
getShell().layout(new Control[] {previewButton});
boolean enable = true;
if (!previewPage) enable = canFlip;
previewButton.setEnabled(enable);
if (enable) defaultButton = previewButton;
}
Button nextButton = getButton(IDialogConstants.NEXT_ID);
if (nextButton != null && !nextButton.isDisposed()) {
nextButton.setEnabled(!previewPage);
if (!previewPage) nextButton.setEnabled(canFlip);
if (nextButton.isEnabled()) defaultButton = nextButton;
}
Button backButton = getButton(IDialogConstants.BACK_ID);
if (backButton != null && !backButton.isDisposed()) backButton.setEnabled(!isFirstPage());
Button okButton = getButton(IDialogConstants.OK_ID);
if (okButton != null && !okButton.isDisposed()) {
okButton.setEnabled(ok);
if (ok) defaultButton = okButton;
}
if (defaultButton != null) {
defaultButton.getShell().setDefaultButton(defaultButton);
}
}
