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package ThePEG;
import javax.swing.*;
import javax.swing.event.*;
import java.util.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;
public class FullSlider extends JPanel
implements ActionListener, ChangeListener {
double val;
double max;
double min;
double cmax;
double cmin;
double def;
boolean integer;
JTextField value = new JTextField(8);
JLabel minl = new JLabel("");
JLabel maxl = new JLabel("");
JSlider slider = new JSlider(0, 1000);
DecimalFormat nf = new DecimalFormat();
ParVector owner = null;
public FullSlider(double mi, double va, double ma, double de, boolean in) {
integer = in;
set(mi, va, ma, de);
slider.addChangeListener(this);
value.addActionListener(this);
add(minl);
add(slider);
add(maxl);
add(value);
slider.addMouseListener(new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
setValue(cmin + slider.getValue()*(cmax - cmin)*0.001);
}
});
}
public FullSlider(String mi, double va, String ma, double de, boolean in) {
integer = in;
set(mi, va, ma, de);
slider.addChangeListener(this);
value.addActionListener(this);
add(minl);
add(slider);
add(maxl);
add(value);
slider.addMouseListener(new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
setValue(cmin + slider.getValue()*(cmax - cmin)*0.001);
}
});
}
public void set(String cmi, double va, String cma, double de) {
double mi = 0.0;
double ma = 0.0;
try {
if ( cmi.equals("-inf") ) mi = de + Math.abs(de) + 1.0;
else mi = Double.parseDouble(cmi);
if ( cma.equals("inf") ) ma = de - Math.abs(de) - 1.0;
else ma = Double.parseDouble(cma);
}
catch ( NumberFormatException e ) {}
set(mi, va, ma, de);
}
public void set(double mi, double va, double ma, double de) {
min = mi;
max = ma;
val = va;
def = de;
setValue(va);
}
public void setEnabled(boolean en) {
slider.setEnabled(en);
value.setEditable(en);
}
private void setValue(double v) {
if ( ( min > def || val >= min ) && ( max < def || val <= max ) ) val = v;
double scale = Math.max(Math.abs(def), Math.abs(val));
if ( scale == 0.0 && min <= def ) scale = Math.abs(min)/10.0;
if ( scale == 0.0 && max >= def ) scale = Math.abs(max)/10.0;
if ( scale == 0.0 ) scale = 1.0;
cmax = max;
if ( max < def ) cmax = scale*10.0;
else if ( val != 0.0 ) cmax = Math.min(scale*10.0, max);
if ( min > def ) cmin = -scale*10.0;
else if ( val != 0.0 ) cmin = Math.max(-scale*10.0, min);
slider.setValue((int)(1000.0*(val - cmin)/(cmax - cmin)));
if ( integer ) {
if ( min > def )
minl.setText("-inf [" + Math.round(cmin) + "]");
else
minl.setText("" + Math.round(min) + " [" + Math.round(cmin) + "]");
if ( max < def )
maxl.setText("[" + Math.round(cmax) + "] inf");
else
maxl.setText("[" + Math.round(cmax) + "] " + Math.round(max));
} else {
if ( min > def )
minl.setText("-inf [" + format(cmin) + "]");
else
minl.setText("" + format(min) + " [" + format(cmin) + "]");
if ( max < def )
maxl.setText("[" + format(cmax) + "] inf");
else
maxl.setText("[" + format(cmax) + "] " + nf.format(max));
}
if ( integer )
value.setText("" + getInt());
else
value.setText("" + format(val));
value.setCaretPosition(0);
if ( owner != null ) owner.pushValue();
}
public void setOwner(ParVector pv) {
owner = pv;
}
public String format(double d) {
if ( d == 0 ) return "0";
if ( Math.abs(d) < 0.1 ) {
nf.applyPattern("0.####E0");
}
else if ( Math.abs(d) < 1 ) {
nf.applyPattern("0.####");
}
else if ( Math.abs(d) < 10 ) {
nf.applyPattern("0.###");
}
else if ( Math.abs(d) < 100 ) {
nf.applyPattern("00.##");
}
else if ( Math.abs(d) < 1000 ) {
nf.applyPattern("000.#");
}
else if ( Math.abs(d) < 10000 ) {
nf.applyPattern("0000");
}
else {
nf.applyPattern("0.####E0");
}
return nf.format(d);
}
public long getInt() {
return Math.round(val);
}
public double getDouble() {
return val;
}
public void changeText() {
double v = cmin + slider.getValue()*(cmax - cmin)*0.001;
if ( integer )
value.setText("" + Math.round(v));
else
value.setText("" + format(v));
value.setCaretPosition(0);
}
public void addActionListener(ActionListener l) {
value.addActionListener(l);
}
public void addChangeListener(ChangeListener l) {
slider.addChangeListener(l);
}
public void actionPerformed(ActionEvent e) {
if ( e.getSource() == value ) {
try {
setValue(Double.parseDouble(value.getText()));
}
catch ( NumberFormatException ex ) {
setValue(val);
}
}
}
public void stateChanged(ChangeEvent e) {
if ( e.getSource() == slider ) changeText();
}
public static void classcheck() {}
}
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