package interfaces.JGUI;

import java.awt.*;
import java.applet.*;
import java.net.*;
import PREDATOR.*;
import PREDATOR.ADT.*;
import java.util.*;

public class MapApplet extends Applet
{
	MapPanel	m_mapPanel;
	QueryPanel	m_queryPanel;
	ResultPanel	m_resultPanel;
	ResultTable	m_resultTable;
	ResultTuple	m_resultTuple;
	JGUI		m_JGUI;
	String		m_host, m_port;
	String		m_configSelect;

	public void init()
	{
		setLayout(null);
//	    setBackground(Color.white);

		m_mapPanel = new MapPanel(this);
		m_queryPanel = new QueryPanel(this);
		m_resultPanel = new ResultPanel(this);
		try { m_resultTable = new ResultTable(new Vector(), this); }
		catch (Exception e) { }

		m_port = getParameter("PORT");
		m_host = getCodeBase().getHost();

		m_JGUI = (JGUI) getAppletContext().getApplet("JGUI");
		m_mapPanel.reshape(0, 0, 600, 675);
		m_queryPanel.reshape(600, 0, 400, 300);
		m_resultPanel.reshape(600, 300, 400, 375);
		add(m_mapPanel);
		add(m_queryPanel);
		add(m_resultPanel);
 	}

	public void updatePanels()
	{
		validate();
		return;
	}

	public String getQuery()
	{
		return m_queryPanel.getQuery(m_mapPanel.m_map.getPinX(), 
			m_mapPanel.m_map.getPinY(),  m_mapPanel.m_map.getScale());
	}

	public void showResult(Vector result)
	{
		try
		{
			m_resultTable = new ResultTable(result, this);
			m_mapPanel.m_map.showResult(m_resultTable);
			m_resultPanel.showResult(m_resultTable);
		}
		catch (Exception e)
		{
			String str = new String();
			for (int i = 0 ; i < result.size() ; i++)
				str += result.elementAt(i) + " ";
			m_resultPanel.showResult(str);
		}
	}

	public void submitQuery()
	{
		m_resultPanel.showResult(getQuery());
		updatePanels();
		return;
	}

	public void sendQuery(String query)
	{
		m_JGUI.sendQuery(query);
		updatePanels();
		return;
	}

	public boolean mouseDown (Event evt, int x, int y)
	{
		m_configSelect = m_queryPanel.m_configGrp.getCurrent().getLabel();

		for (int i = 0 ; i < m_resultTable.size() ; i++) 
		{
			int urlX = (int)((m_resultTable.getX(i) - m_mapPanel.m_map.m_cornerX) * 600 
				/ (m_mapPanel.m_map.m_size * Globals.m_mileToDeg));
			int urlY = (int)((m_resultTable.getY(i) - m_mapPanel.m_map.m_cornerY) * 600
				/ (m_mapPanel.m_map.m_size * Globals.m_mileToDeg));
			if ((x > (urlX - 6)) && (x < (urlX + 6)) && 
				(y > (urlY - 7)) && (y < (urlY + 7))) 
			{
				if (m_configSelect.equals("remove"))
				{
					m_resultTuple = (ResultTuple) m_resultTable.elementAt(i);
					submitQuery();
					return true;
				}
				else
				{
			        try
				    {
						AppletContext context = getAppletContext();
				        context.showDocument(m_resultTable.getURL(i), "_noblank");
				    }
					catch (MalformedURLException e) { }
					return true;
				}
			}
		}

		m_mapPanel.drawPin(x, y);
		validate();
		return true;
	}

	public void showMessage(String message)
	{
		m_resultPanel.showResult(message);
	}

	public boolean keyDown(Event evt, int key)
	{
		if (key == Event.F1)
		{
			m_resultPanel.deliverEvent(new Event(m_resultPanel.m_sendQuery, Event.ACTION_EVENT, ""));
			return true;
		}
		else if (key == Event.F2)
		{
			m_resultPanel.deliverEvent(new Event(m_resultPanel.m_reset, Event.ACTION_EVENT, "")); 
			return true;
		}
		return false;
	}


}