package ac.essex.graphing.swing; 
 
import ac.essex.graphing.plotting.Graph; 
import ac.essex.graphing.plotting.PlotSettings; 
import ac.essex.graphing.Demo; 
 
import javax.swing.*; 
import javax.swing.filechooser.FileFilter; 
import java.awt.event.ActionListener; 
import java.awt.event.ActionEvent; 
import java.awt.*; 
import java.io.File; 
import java.io.IOException; 
import java.text.DecimalFormat; 
 
/** 
 * Small application demonstrating the use of the graph panel in a swing gui. 
 * 
 * @author Olly Oechsle, University of Essex, Date: 05-Jun-2007 
 * @version 1.01 - Added suport for the Interactive Graph Panel. 
 */ 
public class GraphApplet extends JApplet implements SettingsUpdateListener { 
 
    protected JLabel minX, minY, maxX, maxY; 
 
    protected GraphPanel graphPanel; 
     
    protected DecimalFormat f = new DecimalFormat("0.000");     
 
    public GraphApplet() { 
 
        Graph graph = Demo.getExampleGraph2(); 
         
        JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.RIGHT)); 
 
        minX = new JLabel(f.format(graph.plotSettings.getMinX())); 
        minY = new JLabel(f.format(graph.plotSettings.getMinY())); 
        maxX = new JLabel(f.format(graph.plotSettings.getMaxX())); 
        maxY = new JLabel(f.format(graph.plotSettings.getMaxY())); 
 
        statusBar.add(new JLabel("X: ")); 
        statusBar.add(minX); 
        statusBar.add(new JLabel(":")); 
        statusBar.add(maxX); 
        statusBar.add(new JLabel(", Y:")); 
        statusBar.add(minY); 
        statusBar.add(new JLabel(":")); 
        statusBar.add(maxY); 
 
        // add the panel to the middle of the BorderLayout, it will fill the window. 
        graphPanel = new InteractiveGraphPanel(this); 
 
        // Add the toolbar and graph to the frame 
        Container c = getContentPane(); 
        c.add(statusBar, BorderLayout.SOUTH); 
        c.add(graphPanel, BorderLayout.CENTER); 
 
        // default size of the window, the Graph Panel will be slightly smaller. 
        setSize(640, 480); 
 
        // show the Window 
        setVisible(true); 
 
        graphPanel.setGraph(graph); 
 
    } 
 
    public void graphUpdated(PlotSettings settings) { 
        minX.setText(f.format(settings.getMinX())); 
        minY.setText(f.format(settings.getMinY())); 
        maxX.setText(f.format(settings.getMaxX())); 
        maxY.setText(f.format(settings.getMaxY())); 
    } 
 
}