Bug 202639 [Import/Export] [Import/Export] Improve warning messages in WizardFileSystemResourceExportPage1
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceExportPage1.java
*/
    protected void giveFocusToDestination() {
        destinationNameField.setFocus();
    }
    /**
     *	Open an appropriate destination browser so that the user can specify a source
     *	to import from
     */
    protected void handleDestinationBrowseButtonPressed() {
        DirectoryDialog dialog = new DirectoryDialog(getContainer().getShell(),
                SWT.SAVE);
        dialog.setMessage(SELECT_DESTINATION_MESSAGE);
        dialog.setText(SELECT_DESTINATION_TITLE);
        dialog.setFilterPath(getDestinationValue());
        String selectedDirectoryName = dialog.open();
        if (selectedDirectoryName != null) {
            setErrorMessage(null);
            setDestinationValue(selectedDirectoryName);
        }
    }
    /**
     * Handle all events and enablements for widgets in this page
     * @param e Event
     */
    public void handleEvent(Event e) {
        Widget source = e.widget;
        if (source == destinationBrowseButton) {
			handleDestinationBrowseButtonPressed();
		}
        updatePageCompletion();