ResetSubmitControlView.java

package fi.utu.ville.exercises.stub;

import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.HorizontalLayout;

import fi.utu.ville.exercises.helpers.StandardSubmissionType;
import fi.utu.ville.exercises.model.ExecutionState;
import fi.utu.ville.exercises.model.ExecutionStateChangeListener;
import fi.utu.ville.exercises.model.Executor;
import fi.utu.ville.standardutils.Localizer;
import fi.utu.ville.standardutils.StandardUIFactory;

/**
 * A class allowing user to call submit and reset of {@link Executor} through GUI. The look of the view is approximately the same as the what the menu looks in
 * real ViLLE.
 * 
 * @author Riku Haavisto
 */
class ResetSubmitControlView extends HorizontalLayout implements
		Button.ClickListener {
		
	/**
	 * 
	 */
	private static final long serialVersionUID = 5645968253156502722L;
	
	private final Executor<?, ?> exerciseExec;
	
	/* Buttons */
	private final Button resetButton, submitButton;
	
	/**
	 * Constructs a new {@link ResetSubmitControlView} for controlling the given {@link Executor}.
	 * 
	 * @param localizer
	 *            {@link Localizer} to localize the GUI
	 * @param exerciseExec
	 *            {@link Executor} to control
	 */
	public ResetSubmitControlView(Localizer localizer,
			Executor<?, ?> exerciseExec) {
		this.exerciseExec = exerciseExec;
		setMargin(false);
		setSpacing(false);
		
		submitButton = StubUiFactory.getSubmitButton(localizer);
		submitButton.addClickListener(this);
		submitButton.setId("stub.submitbutton");
		
		resetButton = StubUiFactory.getResetButton(localizer);
		resetButton.addClickListener(this);
		resetButton.setId("stub.resetbutton");
		
		setWidth("100%");
		addStyleName("exercisemenu-buttons-panel");
		
		HorizontalLayout middleButtons = StandardUIFactory.getButtonPanel(
				submitButton, resetButton);
				
		// middleButtons.addComponent(submitButton);
		//
		// middleButtons.addComponent(resetButton);
		
		addComponent(middleButtons);
		
		setComponentAlignment(middleButtons, Alignment.MIDDLE_CENTER);
		
		exerciseExec
				.registerExecutionStateChangeListener(new ExecutionStateChangeListener() {
					
					/**
					 * 
					 */
					private static final long serialVersionUID = -7161676290058492324L;
					
					@Override
					public void actOnStateChange(ExecutionState newState) {
						resetButton.setEnabled(newState.isAllowReset());
						submitButton.setEnabled(newState.isAllowSubmit());
						ResetSubmitControlView.this.setEnabled(newState
								.isMenuEnabled());
						resetButton.setVisible(newState.isResetShown());
						submitButton.setVisible(newState.isSubmitShown());
						
					}
					
				});
				
	}
	
	@Override
	public void buttonClick(ClickEvent event) {
		if (event.getButton() == resetButton) {
			exerciseExec.askReset();
		} else if (event.getButton() == submitButton) {
			exerciseExec.askSubmit(StandardSubmissionType.NORMAL);
		}
	}
	
}