uk.ac.ncl.openlab.intake24.client.survey.prompts.EmptySurveyPrompt.java Source code

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Here is the source code for uk.ac.ncl.openlab.intake24.client.survey.prompts.EmptySurveyPrompt.java

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/*
This file is part of Intake24.
    
 Crown copyright, 2012, 2013, 2014.
    
This software is licensed under the Open Government Licence 3.0:
    
http://www.nationalarchives.gov.uk/doc/open-government-licence/
*/

package uk.ac.ncl.openlab.intake24.client.survey.prompts;

import com.google.gwt.core.shared.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import org.workcraft.gwt.shared.client.Callback1;
import org.workcraft.gwt.shared.client.Function1;
import uk.ac.ncl.openlab.intake24.client.survey.Prompt;
import uk.ac.ncl.openlab.intake24.client.survey.Survey;
import uk.ac.ncl.openlab.intake24.client.survey.SurveyOperation;
import uk.ac.ncl.openlab.intake24.client.survey.SurveyStageInterface;
import uk.ac.ncl.openlab.intake24.client.survey.prompts.messages.PromptMessages;
import uk.ac.ncl.openlab.intake24.client.ui.WidgetFactory;

public class EmptySurveyPrompt implements Prompt<Survey, SurveyOperation> {
    private final PromptMessages messages = GWT.create(PromptMessages.class);

    @Override
    public SurveyStageInterface getInterface(final Callback1<SurveyOperation> onComplete,
            final Callback1<Function1<Survey, Survey>> onIntermediateStateChange) {

        FlowPanel content = new FlowPanel();

        content.add(
                WidgetFactory.createPromptPanel(SafeHtmlUtils.fromSafeConstant(messages.emptySurvey_promptText())));

        Button addMeal = WidgetFactory.createButton(messages.energyValidation_addMealButtonLabel(),
                new ClickHandler() {
                    @Override
                    public void onClick(ClickEvent event) {
                        onComplete.call(SurveyOperation.addMealRequest(0));
                    }
                });

        content.add(WidgetFactory.createButtonsPanel(addMeal));

        return new SurveyStageInterface.Aligned(content, HasHorizontalAlignment.ALIGN_LEFT,
                HasVerticalAlignment.ALIGN_TOP, SurveyStageInterface.DEFAULT_OPTIONS,
                EmptySurveyPrompt.class.getSimpleName());
    }

    @Override
    public String toString() {
        return "Empty survey";
    }
}