Bug 127723 refactoring history: warn when replacing a jar with an older version
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/jarimport/JarImportWizardPage.java
}
		});
		if (fImportWizard && !fTreeViewer.getControl().isEnabled())
			button.setEnabled(false);
		if (!fImportWizard) {
			final GridData data= new GridData();
			data.horizontalIndent= IDialogConstants.HORIZONTAL_MARGIN;
			button.setLayoutData(data);
		}
	}
	/**
	 * Handles the browse button selected event.
	 */
	protected void handleBrowseButtonSelected() {
		final FileDialog file= new FileDialog(getShell(), SWT.OPEN);
		file.setText(JarImportMessages.JarImportWizardPage_browse_caption);
		file.setFilterNames(new String[] { "*.jar", "*.*"}); 
		file.setFilterExtensions(new String[] { "*.jar", "*.*"}); 
		final String path= file.open();
		if (path != null)
			fLocationField.setText(path);
	}
	/**
	 * Handles the input changed event.
	 */
	protected void handleInputChanged() {
		fJarImportData.setRefactoringHistory(null);
		fJarImportData.setRefactoringFileLocation(null);
		setErrorMessage(null);
		setPageComplete(true);