package ie.dcu.apps.ist.actions;

import ie.dcu.apps.ist.*;
import ie.dcu.apps.ist.dialogs.SaveReminderDialog;
import org.eclipse.jface.dialogs.MessageDialog;

/**
 * Close current image annotation file
 * 
 * @author Justin Preece
 */
public class CloseAction extends AppAction {

	public CloseAction(ActionManager m) {
		super(m);
	}

	@Override 
	public void run() {
		// TODO: add a call to check the confirm close app preference 
		
		// call Save Reminder dialog
		SaveReminderDialog dialog = new SaveReminderDialog(window.getShell(),window);
		SaveReminderDialog.ResultChoice result = dialog.open();
		
		if (result != null) {
			// check return choice in result here and fire appropriate action:
			switch (result) {
				case SAVE: // save now and then close file
					// trigger Save dialog to save the file
					ActionManager actions = window.getActions();
					if (actions != null) {
						SaveAction saveAction = actions.get(SaveAction.class);
						saveAction.runSaveAndClose();
					}
					break;
				case NOSAVE: // do not save and then close file
					window.getView().resetView(); // clear current data and work
					status("Closed");
					break;
				case CANCEL: // cancel the close
					status("Close cancelled.");
					break;
			}
		}
	}

	public static boolean confirmClose(AppWindow window) {
		boolean confirm = window.getPrefs().get(
				Boolean.class, AppPrefs.Keys.CONFIRM_CLOSE, true);
		
		if (confirm) {
			return MessageDialog.openConfirm(
					window.getShell(), "Confirm", 
					"Are you sure you want to close this file?");
		}
		
		return true;
	}
}