ContextPanel.java

package jadex.tools.simcenter;

import jadex.base.service.simulation.ISimulationService;
import jadex.commons.SGUI;
import jadex.commons.ThreadSuspendable;
import jadex.commons.concurrent.SwingDefaultResultListener;
import jadex.commons.gui.ToolTipAction;
import jadex.commons.service.SServiceProvider;
import jadex.commons.service.clock.IClock;
import jadex.commons.service.clock.IClockService;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;

import javax.swing.Action;
import javax.swing.JToolBar;
import javax.swing.UIDefaults;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;

/**
 *	The context panel shows the settings for an execution context.
 */
public class ContextPanel extends AbstractTimePanel
{
	//-------- static part --------

	/** The image icons. */
	protected static UIDefaults	icons	= new UIDefaults(new Object[]
	{
		// todo: rename icon?
		"start",	SGUI.makeIcon(ContextPanel.class, "/jadex/tools/common/images/start.png"),
		"step_event",	SGUI.makeIcon(ContextPanel.class, "/jadex/tools/common/images/single_step_event.png"),
		"step_time",	SGUI.makeIcon(ContextPanel.class, "/jadex/tools/common/images/single_step_time.png"),
		"pause",	SGUI.makeIcon(ContextPanel.class, "/jadex/tools/common/images/pause.png")
	});
	
	//-------- attributes --------

	/** The execution context. */
	//protected ExecutionContext context;

	/** The sim center panel. */
	protected SimCenterPanel simp;
	
//	/** The run button. */
//	protected JButton run;
//	
//	/** The event step button. */
//	protected JButton estep;
//
//	/** The time step button. */
//	protected JButton tstep;
//	
//	/** The pause button. */
//	protected JButton pause;
	
	//-------- constructors --------

	/**
	 *  Create a context panel.
	 *  @param context The execution context.
	 */
	public ContextPanel(SimCenterPanel simp)
	{
		super(simp.getServiceContainer());
		this.setLayout(new FlowLayout());
		this.simp = simp;
		
		this.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED), " Execution Control "));
		
//		this.run = new JButton(START);
//		this.estep = new JButton(STEP_EVENT);
//		this.tstep = new JButton(STEP_TIME);
//		this.pause= new JButton(PAUSE);
//		run.setMargin(new Insets(0,0,0,0));
//		estep.setMargin(new Insets(0,0,0,0));
//		tstep.setMargin(new Insets(0,0,0,0));
//		pause.setMargin(new Insets(0,0,0,0));
		
		JToolBar	toolbar	= new JToolBar("Simulation Control");
		toolbar.add(START);
		toolbar.add(STEP_EVENT);
		toolbar.add(STEP_TIME);
		toolbar.add(PAUSE);
		this.add(toolbar);
		
//		int x=0;
//		int y=0;
//		this.add(run, new GridBagConstraints(x++,y,1,1,1,0,
//			GridBagConstraints.NORTHEAST,GridBagConstraints.NONE,new Insets(4,2,2,4),0,0));
//		this.add(estep, new GridBagConstraints(x++,y,1,1,0,0,
//			GridBagConstraints.NORTH,GridBagConstraints.NONE,new Insets(4,2,2,4),0,0));
//		this.add(tstep, new GridBagConstraints(x++,y,1,1,0,0,
//			GridBagConstraints.NORTH,GridBagConstraints.NONE,new Insets(4,2,2,4),0,0));
//		this.add(pause, new GridBagConstraints(x++,y,1,1,1,0,
//			GridBagConstraints.NORTHWEST,GridBagConstraints.NONE,new Insets(4,2,2,4),0,0));

		setActive(true);
	}
	
	/**
	 *  Update the view.
	 */
	public void updateView()
	{
//		System.out.println("uv1: start="+START.isEnabled()+" step="+STEP_EVENT.isEnabled()+" time="+STEP_TIME.isEnabled()+" pause="+PAUSE.isEnabled());
		
		// todo: use event information for updating
		
		START.setEnabled(START.isEnabled());
		STEP_EVENT.setEnabled(STEP_EVENT.isEnabled());
		STEP_TIME.setEnabled(STEP_TIME.isEnabled());
		PAUSE.setEnabled(PAUSE.isEnabled());
//		System.out.println("uv2: start="+START.isEnabled()+" step="+STEP_EVENT.isEnabled()+" time="+STEP_TIME.isEnabled()+" pause="+PAUSE.isEnabled());
	}
	
	/**
	 *  Start action.
	 */
	public final Action START = new ToolTipAction(null, icons.getIcon("start"),
		"Start the execution of the application")
	{
		public void actionPerformed(ActionEvent e)
		{
			SServiceProvider.getService(getServiceProvider(),
				ISimulationService.class).addResultListener(new SwingDefaultResultListener(ContextPanel.this)
			{
				public void customResultAvailable(Object source, Object result)
				{
					try
					{
						((ISimulationService)result).start();
					}
					catch(Exception ex)
					{
						ex.printStackTrace();
					}
				}
			});
		}

		public boolean isEnabled()
		{
			// todo: hack!
			// problem: service must be fetched fresh!
//			IClockService cs = (IClockService)SServiceProvider.getService(getServiceProvider(), IClockService.class).get(new ThreadSuspendable());
			ISimulationService sims = (ISimulationService)SServiceProvider.getService(getServiceProvider(), ISimulationService.class).get(new ThreadSuspendable());
//			boolean clockok = cs.getNextTimer()!=null 
//				|| cs.getClockType().equals(IClock.TYPE_CONTINUOUS)
//				|| cs.getClockType().equals(IClock.TYPE_SYSTEM);
			return !sims.isExecuting();// && clockok;
		}
	};
	
	/**
	 *  Step action.
	 */
	public final Action STEP_EVENT = new ToolTipAction(null, icons.getIcon("step_event"),
		"Execute one timer entry.")
	{
		public void actionPerformed(ActionEvent e)
		{
			SServiceProvider.getService(getServiceProvider(),
				ISimulationService.class).addResultListener(new SwingDefaultResultListener(ContextPanel.this)
			{
				public void customResultAvailable(Object source, Object result)
				{
					try
					{
						((ISimulationService)result).stepEvent();
					}
					catch(Exception ex)
					{
						ex.printStackTrace();
					}
				}
			});
		}
		
		public boolean isEnabled()
		{
			// todo: hack!
			// problem: clock service must be fetched fresh!
			IClockService cs = (IClockService)SServiceProvider.getService(getServiceProvider(), IClockService.class).get(new ThreadSuspendable());
			ISimulationService sims = (ISimulationService)SServiceProvider.getService(getServiceProvider(), ISimulationService.class).get(new ThreadSuspendable());
			boolean clockok = cs.getNextTimer()!=null; 
			return !cs.getClockType().equals(IClock.TYPE_CONTINUOUS) 
				&& !cs.getClockType().equals(IClock.TYPE_SYSTEM) 
				&& !sims.isExecuting() && clockok;
		}
	};
	
	/**
	 *  Time step action.
	 */
	public final Action STEP_TIME = new ToolTipAction(null, icons.getIcon("step_time"),
		"Execute all timer entries belonging to the current time point.")
	{
		public void actionPerformed(ActionEvent e)
		{
			SServiceProvider.getService(getServiceProvider(),
				ISimulationService.class).addResultListener(new SwingDefaultResultListener(ContextPanel.this)
			{
				public void customResultAvailable(Object source, Object result)
				{
					try
					{
						((ISimulationService)result).stepTime();
					}
					catch(Exception ex)
					{
						ex.printStackTrace();
					}
				}
			});
		}
		
		public boolean isEnabled()
		{
			// todo: hack!
			// problem: clock service must be fetched fresh!
			IClockService cs = (IClockService)SServiceProvider.getService(getServiceProvider(), IClockService.class).get(new ThreadSuspendable());
			ISimulationService sims = (ISimulationService)SServiceProvider.getService(getServiceProvider(), ISimulationService.class).get(new ThreadSuspendable());
			boolean clockok = cs.getNextTimer()!=null;
			return !cs.getClockType().equals(IClock.TYPE_CONTINUOUS)
				&& !cs.getClockType().equals(IClock.TYPE_SYSTEM)
				&& !sims.isExecuting() && clockok;
		}
	};
	
	/**
	 *  Pause the current execution.
	 */
	public final Action PAUSE = new ToolTipAction(null , icons.getIcon("pause"),
		"Pause the current execution.")
	{
		public void actionPerformed(ActionEvent e)
		{
			SServiceProvider.getService(getServiceProvider(),
				ISimulationService.class).addResultListener(new SwingDefaultResultListener(ContextPanel.this)
			{
				public void customResultAvailable(Object source, Object result)
				{
					try
					{
						((ISimulationService)result).pause();
					}
					catch(Exception ex)
					{
						ex.printStackTrace();
					}
				}
			});
		}
		
		public boolean isEnabled()
		{
			// todo: hack!
			ISimulationService sims = (ISimulationService)SServiceProvider.getService(getServiceProvider(), ISimulationService.class).get(new ThreadSuspendable());
			return sims.isExecuting() && sims.getMode()
				.equals(ISimulationService.MODE_NORMAL);
		}
	};
}