Controller.java

package jass.render;
import java.io.*;

public class Controller extends javax.swing.JDialog {
    protected static final double MAX_SLIDERVAL = 10000;
    protected static final int NSLIDERS = 21; // defaults
    protected static final int NBUTTONS = 4; // defaults
    protected double[] val; //initial slider values
    protected String[] names; //slider labels
    protected double[] min,max; //slider ranges
    protected int nsliders = NSLIDERS;
    protected int nbuttons = NBUTTONS;

    /** Set the values of the sliders and call its handlers. */
    public void setSliders(double[] val,double[] min,double[] max,String[] names) {
        setValues(val,min,max,names);
        for(int i=0;i<val.length;i++) {
            onSlider(i);
        }
    }

    /** Set button names */
    public void setButtonNames(String[] names) {
        for(int i=0;i<names.length;i++) {
            setButtonName(names[i],i);
        }
    }
    
    /** Set button name */
    public void setButtonName(String name,int k) {
        jButton[k].setText(name);
    }

    /** Set the values of the sliders (will not call its handlers) */
    public void setValues(double[] val,double[] min,double[] max,String[] names) {
        for(int i=0;i<val.length;i++) {
            this.names[i] = names[i];
            this.val[i] = val[i];
            this.min[i] = min[i];
            this.max[i] = max[i];
            int x = (int)(MAX_SLIDERVAL * (val[i]-min[i])/(max[i]-min[i]));
            jSlider[i].setValue(x);
            jTextPane[i].setText(names[i]+new Double(val[i]).toString());
        }
    }

    private void initValues() {
        val = new double[nsliders];
        min = new double[nsliders];
        max = new double[nsliders];
        names = new String[nsliders];
        for(int i=0;i<nsliders;i++) {
            names[i] = "-                         ";
            val[i]=.511131313131231231231231212312313;
            min[i] = 0;
            max[i] = 1;
        }
    }

    /** Creates new form Controller with nsl sliders and nbut buttons*/
    public Controller(java.awt.Frame parent,boolean modal,int nsl,int nbut) {
        super (parent, parent.getTitle(),modal);
        this.nsliders = nsl;
        this.nbuttons = nbut;
    
        jSlider = new javax.swing.JSlider[nsliders];
        jTextPane = new javax.swing.JTextPane[nsliders];
        jButton = new javax.swing.JButton[nbuttons];

        initComponents ();
        setLocationRelativeTo(null);
        pack ();
	// put incenter

    }

    /** Member class to handle slider events */
    class LabeledMouseMotionAdapter extends java.awt.event.MouseMotionAdapter {
        private int label;
        
        public LabeledMouseMotionAdapter(int label) {
            super();
            this.label = label;
        }
        
        public void mouseDragged (java.awt.event.MouseEvent evt) {
            jSliderMouseDragged (label,evt);
        }
    }
    
    /** Member class to handle button events */
    class LabeledMouseAdapter extends java.awt.event.MouseAdapter {
        private int label;
        
        public LabeledMouseAdapter(int label) {
            super();
            this.label = label;
        }
        public void mousePressed (java.awt.event.MouseEvent evt) {
            jButtonMousePressed (label,evt);
        }
    }

    private void initComponents () {
        for(int i=0;i<nsliders;i++) {
            jSlider[i] = new javax.swing.JSlider();
            jTextPane[i] = new javax.swing.JTextPane();
        }
        for(int i=0;i<nbuttons;i++) {
            jButton[i] = new javax.swing.JButton ();
        }
        getContentPane ().setLayout (new java.awt.GridLayout (nsliders+(nbuttons+1)/2, 2));
        /*
        addWindowListener (new java.awt.event.WindowAdapter () {
            public void windowClosing (java.awt.event.WindowEvent evt) {
                closeDialog (evt);
                System.exit(0);
            }
        }
            );
        */
        
        for(int i=0;i<nsliders;i++) {
            jSlider[i].setMaximum ((int)MAX_SLIDERVAL);
            getContentPane ().add (jSlider[i]);
            jTextPane[i].setEditable (false);
            jTextPane[i].setText ("");
            getContentPane ().add (jTextPane[i]);
        }

        for(int i=0;i<nsliders;i++) {
            jSlider[i].addMouseMotionListener (new LabeledMouseMotionAdapter(i));
        }

        for(int i=0;i<nbuttons;i++) {
            jButton[i].addMouseListener (new LabeledMouseAdapter(i));
            getContentPane().add (jButton[i]);
        }

        initValues();
        setValues(val,min,max,names);
    }

    /** Save slider states to file */
    public void saveToFile(String fn) {
        try {
            BufferedWriter br = new BufferedWriter(new FileWriter(fn));
            double x = 0;
            for(int i=0;i<nsliders;i++) {
                br.write(names[i]); br.newLine();
                br.write(new Double(val[i]).toString()); br.newLine();
                br.write(new Double(min[i]).toString()); br.newLine();
                br.write(new Double(max[i]).toString()); br.newLine();
            }
            br.close();
        } catch(Exception e) {
            System.out.println(this+" "+e);
        }
    }
    
    /** Load slider states from file and call handlers */
    public void loadFromFile(String fn) {
        try {
            BufferedReader br = new BufferedReader(new FileReader(fn));
            double x = 0;
            for(int i=0;i<nsliders;i++) {
                names[i] = br.readLine();
                val[i] = (float)(new Double(br.readLine()).doubleValue());
                min[i] = (float)(new Double(br.readLine()).doubleValue());
                max[i] = (float)(new Double(br.readLine()).doubleValue());
            }
            br.close();
            setValues(val,min,max,names);
            for(int i=0;i<nsliders;i++) {
                onSlider(i);
            }
        } catch(Exception e) {
            System.out.println(this+" "+e);
        }
    }
    
    /** User should override this handler*/
    public void onSlider(int slider) {;}

    /** User should override this handler*/
    public void onButton(int button) {;}
    
    private void jButtonMousePressed (int k, java.awt.event.MouseEvent evt) {
        onButton(k);
    }
    
    private void jSliderMouseDragged (int k,java.awt.event.MouseEvent evt) {
        double sval = jSlider[k].getValue()/MAX_SLIDERVAL;
        val[k] = (float)(sval*(max[k]-min[k])+min[k]);
        jTextPane[k].setText(names[k] + new Double(val[k]).toString());
        onSlider(k);
    }

    /** Closes the dialog */
    private void closeDialog(java.awt.event.WindowEvent evt) {
        setVisible (false);
        dispose ();
    }
    
    protected javax.swing.JSlider[] jSlider;
    protected javax.swing.JTextPane[] jTextPane;
    protected javax.swing.JButton[] jButton;

}