__VilleJavaClassPrefix__Executor.java

package ${package};

import com.vaadin.ui.Image;
import com.vaadin.ui.Label;
import com.vaadin.ui.Layout;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;

import fi.utu.ville.exercises.helpers.ExerciseExecutionHelper;
import fi.utu.ville.exercises.model.ExecutionSettings;
import fi.utu.ville.exercises.model.ExecutionState;
import fi.utu.ville.exercises.model.ExecutionStateChangeListener;
import fi.utu.ville.exercises.model.ExerciseException;
import fi.utu.ville.exercises.model.NoMisconceptionExecutor;
import fi.utu.ville.exercises.model.SubmissionListener;
import fi.utu.ville.exercises.model.SubmissionType;
import fi.utu.ville.standardutils.Localizer;
import fi.utu.ville.standardutils.TempFilesManager;

public class ${VilleJavaClassPrefix}Executor extends NoMisconceptionExecutor<${VilleJavaClassPrefix}ExerciseData, ${VilleJavaClassPrefix}SubmissionInfo> {

	private static final long serialVersionUID = 2682119786422750060L;

	private final ExerciseExecutionHelper<${VilleJavaClassPrefix}SubmissionInfo> execHelper =

	new ExerciseExecutionHelper<${VilleJavaClassPrefix}SubmissionInfo>();

	private final TextField answerField = new TextField();

	private VerticalLayout layout = new VerticalLayout();
	
	public ${VilleJavaClassPrefix}Executor() {

	}

	@Override
	public void initialize(Localizer localizer,
			${VilleJavaClassPrefix}ExerciseData exerciseData, ${VilleJavaClassPrefix}SubmissionInfo oldSubm,
			TempFilesManager materials, ExecutionSettings fbSettings)
			throws ExerciseException {
		answerField.setCaption(localizer.getUIText(${VilleJavaClassPrefix}UiConstants.ANSWER));
		doLayout(exerciseData, oldSubm != null ? oldSubm.getAnswer() : "");
	}

	private void doLayout(${VilleJavaClassPrefix}ExerciseData exerciseData, String oldAnswer) {
		if (exerciseData.getImgFile() != null) {
			layout.addComponent(new Image(null, exerciseData.getImgFile()
					.getAsResource()));
		}
		layout.addComponent(new Label(exerciseData.getQuestion()));
		answerField.setValue(oldAnswer);
		layout.addComponent(answerField);
	}

	@Override
	public void registerSubmitListener(
			SubmissionListener<${VilleJavaClassPrefix}SubmissionInfo> submitListener) {
		execHelper.registerSubmitListener(submitListener);
	}

	@Override
	public Layout getView() {
		return layout;
	}

	@Override
	public void shutdown() {
		// nothing to do here
	}

	@Override
	public void askReset() {
		// nothing to do here
	}

	@Override
	public ExecutionState getCurrentExecutionState() {
		return execHelper.getState();
	}

	@Override
	public void askSubmit(SubmissionType submType) {
		double corr = 1.0;

		String answer = answerField.getValue();
		execHelper.informOnlySubmit(corr, new ${VilleJavaClassPrefix}SubmissionInfo(answer),
				submType, null);

	}

	@Override
	public void registerExecutionStateChangeListener(
			ExecutionStateChangeListener execStateListener) {
		execHelper.registerExerciseExecutionStateListener(execStateListener);

	}

}