package ch.asynk.helloworld;


import java.util.Date;

import com.vaadin.terminal.UserError;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.AbstractComponent;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Panel;
import com.vaadin.ui.Label;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Window.Notification;

public class MainLayout extends VerticalLayout {
    //
    private static final long serialVersionUID = 1L;
    //
    private Context ctx = null;

    public MainLayout(Context context) {
        ctx = context;
        //
        final AbstractComponent ctrlPanel = buildListsPanel();
        ctrlPanel.setWidth(500,UNITS_PIXELS);
        ctrlPanel.setHeight(400,UNITS_PIXELS);
        addComponent(ctrlPanel);
        setComponentAlignment(ctrlPanel, Alignment.MIDDLE_CENTER);
        //
    }

    private AbstractComponent buildListsPanel() {
        Panel panel = new Panel("Main Layout");
        VerticalLayout layout = (VerticalLayout) panel.getContent();
        layout.setMargin(true);
        layout.setSpacing(true);
        layout.setHeight(100,UNITS_PERCENTAGE);
        //
        Label label = new Label("Hello world");
        layout.addComponent(label);
        //
        layout.addComponent( new Button("What is the time?", new Button.ClickListener() {
            private static final long serialVersionUID = 1L;
            @Override
            public void buttonClick(ClickEvent event) {
                ctx.getApp().notifyError("The time is " + new Date(), "<i>italic</i> <b>bold</b> description");
                event.getButton().setComponentError( new UserError("Stop pressing this button !!") );
            }
        }));
        ///
        Button exceptionButton = new Button("throw an exception");
        layout.addComponent(exceptionButton );
        exceptionButton.addListener( new Button.ClickListener() {
            private static final long serialVersionUID = 1L;
            @Override
            public void buttonClick(ClickEvent event) {
                throw new RuntimeException("Wahou !! : exception");
            }
        });
        //
        Button nextButton = new Button("next layout");
        nextButton.setDescription("Go to next layout");
        layout.addComponent(nextButton );
        nextButton.addListener( new Button.ClickListener() {
            private static final long serialVersionUID = 1L;
            @Override
            public void buttonClick(ClickEvent event) {
                ctx.getApp().getMainWindow().setContent( new DataMappingLayout(ctx) );
            }
        });
        //
        return panel;
    }
}