Application.java

package fr.lteconsulting.mvp.client;

import javax.inject.Inject;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootLayoutPanel;

import dagger.Component;
import dagger.Module;
import dagger.Provides;
import fr.lteconsulting.hexa.client.ui.UiBuilder;

/**
 * The GWT EntryPoint class to MVP application
 * 
 * @author Arnaud Tournier
 * 
 */
public class Application implements EntryPoint
{
	@Module
	static class WPModule
	{
		@Provides
		Closer provideCloser()
		{
			Window.alert("Je suis un closer !");
			return new Closer()
			{
				@Override
				public boolean canClose()
				{
					return false;
				}
			};
		}
	}

	// static class WPMaker
	// {
	// @Inject
	// WPMaker()
	// {
	// }
	//
	// @Inject
	// Closer closer;
	//
	// @Inject
	// MonIWorkPanel workPanel;
	// }

	@Component(modules = WPModule.class)
	interface WPShop
	{
		// WPMaker maker();

		MonIWorkPanel panel();
	}

	public static class MonIWorkPanel implements IWorkPanel
	{
		private final Closer closer;

		@Inject
		public MonIWorkPanel(Closer closer)
		{
			this.closer = closer;
		}

		IWPContext context;

		Button cancel = new Button("cancel");

		Button validate = new Button("validate");

		Button exception = new Button("exception");

		@Override
		public void start(final IWPContext context)
		{
			this.context = context;

			context.display(UiBuilder.vert(new Label("Welcome !"), validate, exception, cancel));

			validate.addClickHandler(new ClickHandler()
			{
				@Override
				public void onClick(ClickEvent event)
				{
					context.exit((Integer)53);
				}
			});

			exception.addClickHandler(new ClickHandler()
			{
				@Override
				public void onClick(ClickEvent event)
				{
					context.exit(new IllegalStateException("bad bad bad!"));
				}
			});

			cancel.addClickHandler(new ClickHandler()
			{
				@Override
				public void onClick(ClickEvent event)
				{
					context.exit();
				}
			});
		}

		@Override
		public void close(IClosingProcess closingProcess)
		{
			boolean res = closer.canClose();

			if (res)
				context.exit();
			else
				closingProcess.abort();
		}
	}

	interface Closer
	{
		boolean canClose();
	}

	@Override
	public void onModuleLoad()
	{
		WorkPanelController ctrl = new WorkPanelController();

		RootLayoutPanel.get().add(ctrl);

		IWorkPanel workPanel = DaggerApplication_WPShop.builder().wPModule(new WPModule()).build().panel();

		ctrl.startWorkPanel(workPanel, new XWPExec()
		{
			@Override
			public void onResult(Object result)
			{
				Window.alert("Result ! : " + result);
			}

			@Override
			public void onError(Throwable throwable)
			{
				Window.alert("Error ! : " + throwable);
			}

			@Override
			public void onCancel()
			{
				Window.alert("Cancelled...");
			}
		}, WPDisplayMode.DIALOG);
	}
}