package com.sibvisions.apps.customlogin;

import javax.rad.genui.component.UIButton;
import javax.rad.genui.container.UIPanel;
import javax.rad.genui.layout.UIFormLayout;
import javax.rad.ui.Style;

import com.sibvisions.apps.vaadin.web.WebLogin;
import com.vaadin.ui.Component;
import com.vaadin.ui.CssLayout;

public class MyCustomLogin extends WebLogin
{
    private UIPanel panCustomButtons;
    
    @Override
    protected void createLogin()
    {
        super.createLogin();

        updateUI();
    }
    
    @Override
    protected void handleLoginError(Throwable pException)
    {
        super.handleLoginError(pException);
        
        //important, because the error area will be added dynamically
        updateUI();
    }
    
    private void updateUI()
    {
        if (!isChangePassword())
        {
            CssLayout cssl = (CssLayout)getInfoLabel().getParent().getParent();

            //cleanup
            if (panCustomButtons != null)
            {
                cssl.removeComponent((Component)panCustomButtons.getResource());
            }
            else
            {
                UIFormLayout flCustomButtons = new UIFormLayout();
                //flCustomButtons.setHorizontalAlignment(IAlignmentConstants.ALIGN_CENTER);
                flCustomButtons.setMargins(10, 18, 5, 18);
                flCustomButtons.setHorizontalGap(10);
                
                panCustomButtons = new UIPanel(flCustomButtons);
                
                UIButton butISA = new UIButton("ISA");
                butSAM.eventAction().addListener(this, "doISA");
                Style.addStyleNames(butISA, "default", "isa");

                UIButton butSAM = new UIButton("SAM");
                butSAM.eventAction().addListener(this, "doSAM");
                Style.addStyleNames(butSAM, "default", "sam");

                panCustomButtons.add(butISA, flCustomButtons.getConstraints(0, 0));
                panCustomButtons.add(butSAM, flCustomButtons.getConstraints(1, 0));
            }
            
            //always above the "error area"
            cssl.addComponent((Component)panCustomButtons.getResource(), 2);
        }
    }
    
    public void doISA() throws Throwable
    {
    	((RemoteApplication)getApplication()).showInformation(null, "ISA pressed!");
    }    

    public void doSAM() throws Throwable
    {
    	((RemoteApplication)getApplication()).showInformation(null, "SAM pressed!");
    }    
}