/* 
   A Controller class for Grid.java. GridGIS handles passing a filename and 
   render method to the Grid class, which then takes care of the actual data
   structures and drawing. 

   Pass the file you want to open as an argument to this class. 

   Nathan Merritt - April 1, 2008   
*/

import java.util.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.event.*;

public class GridGIS extends JFrame {
    // window size
    public static int HEIGHT = 600;     
    public static int WIDTH = 600;

    // control buttons
    public JButton renderGray, renderColor;
    
    // panel with the control buttons
    public JPanel optionsPanel;

    // the grid we'll be rendering
    Grid grid;

    public GridGIS (String gridFile) {
	super("Topographic Grid Mapper");

	renderGray = new JButton("Render in Grayscale");

        renderGray.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {		    
		    grid.setRenderMethod("grayscale");
		    repaint();
                }
            });

	renderColor = new JButton("Render in Color");

        renderColor.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {		    
		    grid.setRenderMethod("color");
		    repaint();
                }
            });

	optionsPanel = new JPanel();		

	optionsPanel.add(renderGray);
	optionsPanel.add(renderColor);
	
	getContentPane().add("South", optionsPanel);

	setSize(WIDTH, HEIGHT);       
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);       

	// load the grid file	
	System.out.println("rendering from " + gridFile);
	grid = new Grid(gridFile);

        setVisible(true);
    }
    
    // all drawing negotiated from here:
    public void paint(Graphics g) {
	optionsPanel.repaint();
	
	grid.renderGrid(WIDTH, HEIGHT, g);
    }

    public static void main(String[] args) {
	// make a GridGIS for the cli argument - we'll render that map	       

	if (args[0] != null) {
	    GridGIS gridController = new GridGIS(args[0]);	       
	}
    }
}