Bug 38483 Delete: buttons on the 'Found Problems' page [refactoring]
20030604 1. make Java file read-only and delete a method in it 2. On the first dialog, press ok, a 'Found Problems' dialog shows up 3. The dialog has two buttons: Back and cancel Back is not too helpfull as you can't change anything on the first dialog Cancel should probably be better 'Ok'
org.eclipse.ltk.ui.refactoring/src/org/eclipse/ltk/ui/refactoring/RefactoringWizard.java
* 
	 * @param api internal instance to avoid access from external clients
	 * @param change the change to set
	 */
	public final void internalSetChange(InternalAPI api, Change change){
		Assert.isNotNull(api);
		IPreviewWizardPage page= (IPreviewWizardPage)getPage(IPreviewWizardPage.PAGE_NAME);
		if (page != null)
			page.setChange(change);
		fChange= change;
	}
	/**
	 * Note: This method is for internal use only. Clients are not allowed to call this method.
	 * 
	 * @param api internal instance to avoid access from external clients
	 * @param shown a boolean indicating if the preview page has been shown or not
	 */
	public final void internalSetPreviewShown(InternalAPI api, boolean shown) {
		Assert.isNotNull(api);
		fPreviewShown= shown;
		getContainer().updateButtons();
	}
	
	
	
	private boolean checkActivationOnOpen() {
		return (fFlags & CHECK_INITIAL_CONDITIONS_ON_OPEN) != 0;
	}
}