package org.gcube.portlets.user.td.client;

import org.gcube.portlets.user.td.client.rpc.GreetingService;
import org.gcube.portlets.user.td.client.rpc.GreetingServiceAsync;

import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.sencha.gxt.widget.core.client.button.TextButton;
import com.sencha.gxt.widget.core.client.container.Viewport;
import com.sencha.gxt.widget.core.client.event.SelectEvent;
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
import com.sencha.gxt.widget.core.client.info.Info;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class TabularDataPortlet implements EntryPoint {

	protected static final String JSP_TAG_ID = "tdp";


	/**
	 * Create a remote service proxy to talk to the server-side Greeting service.
	 */
	private final GreetingServiceAsync greetingService = GWT.create(GreetingService.class);


	/**
	 * {@inheritDoc}
	 */
	@Override
	public void onModuleLoad() {
		/*
		 * Install an UncaughtExceptionHandler which will produce <code>FATAL</code> log messages
		 */
		Log.setUncaughtExceptionHandler();

		// use deferred command to catch initialization exceptions in onModuleLoad2
		Scheduler.get().scheduleDeferred(new ScheduledCommand() {
			@Override
			public void execute() {
				loadMainPanel();
			}
		});
	}


	protected void loadMainPanel() {
		VerticalPanel mainPanel = new VerticalPanel();

		TextButton button = new TextButton("Test");
		button.addSelectHandler(new SelectHandler() {

			@Override
			public void onSelect(SelectEvent event) {
				Info.display("Button event", "Button pressed");
			}
		});
		mainPanel.add(button);

		bind(mainPanel);
	}

	protected void bind(Widget mainWidget)
	{
		RootPanel root = RootPanel.get(JSP_TAG_ID);
		if (root == null) {
			Log.trace("Div with id "+JSP_TAG_ID+" not found, starting in dev mode");
			Viewport viewport = new Viewport();
			viewport.setWidget(mainWidget);
			RootPanel.get().add(viewport);
		} else {
			Log.trace("Application div with id "+JSP_TAG_ID+" found, starting in portal mode");
			root.add(mainWidget);
		}
	}
}