package siprp.higiene.gestao;

import java.awt.Cursor;

import javax.swing.JPanel;
import javax.swing.SwingUtilities;

import com.evolute.swing.frame.EvoFrame;
import com.evolute.utils.error.ErrorLogger;


public abstract class SIPRPLazyLoadedPanel extends JPanel
{
	
	private static final long serialVersionUID = 1L;
	
	private boolean inited = false;
	
	public synchronized final void doRefresh( )
	{
		Runnable run = new Runnable()
		{
			@Override
			public void run()
			{
				try
				{
					inited = true;
					EvoFrame window = EvoFrame.findParentEvoFrame( SIPRPLazyLoadedPanel.this );
					if( window != null )
					{
						window.runAsynchronously( new Runnable()
						{
							
							@Override
							public void run()
							{
								long start = System.currentTimeMillis();
								refresh();
								System.out.println("\n\t" + SIPRPLazyLoadedPanel.this.getClass() + ": took " + ( System.currentTimeMillis() - start ) );
							}
						} );
					}
					else
					{
						try
						{
							setCursor( new Cursor( Cursor.WAIT_CURSOR ) );
							refresh();
						}
						finally
						{
							setCursor( new Cursor( Cursor.DEFAULT_CURSOR ) );
						}
					}
				}
				catch( Exception e )
				{
					ErrorLogger.logException( e );
				}
			}

		};
		SwingUtilities.invokeLater( run );
	}
	
	public final void init()
	{
		if( !inited )
		{
			doRefresh();
		}
	}
	
	protected abstract void refresh();
	
}