/**
* Adds a slider (scroll bar) to the dialog box. Floating point values will be used if
* (maxValue-minValue)<=5.0 and either minValue or maxValue are non-integer.
*
* @param label the label
* @param minValue the minimum value of the slider
* @param maxValue the maximum value of the slider
* @param defaultValue the initial value of the slider
*/
public void addSlider(String label, double minValue, double maxValue, double defaultValue) {
if (defaultValue < minValue) defaultValue = minValue;
if (defaultValue > maxValue) defaultValue = maxValue;
int columns = 4;
int digits = 0;
double scale = 1.0;
if ((maxValue - minValue) <= 5.0
&& (minValue != (int) minValue
|| maxValue != (int) maxValue
|| defaultValue != (int) defaultValue)) {
scale = 20.0;
minValue *= scale;
maxValue *= scale;
defaultValue *= scale;
digits = 2;
}
String label2 = label;
if (label2.indexOf('_') != -1) label2 = label2.replace('_', ' ');
Label theLabel = makeLabel(label2);
c.gridx = 0;
c.gridy = y;
c.anchor = GridBagConstraints.EAST;
c.gridwidth = 1;
c.insets = new Insets(0, 0, 3, 0);
grid.setConstraints(theLabel, c);
add(theLabel);
if (slider == null) {
slider = new Vector(5);
sliderIndexes = new int[MAX_SLIDERS];
sliderScales = new double[MAX_SLIDERS];
}
Scrollbar s =
new Scrollbar(
Scrollbar.HORIZONTAL, (int) defaultValue, 1, (int) minValue, (int) maxValue + 1);
GUI.fix(s);
slider.addElement(s);
s.addAdjustmentListener(this);
s.setUnitIncrement(1);
if (numberField == null) {
numberField = new Vector(5);
defaultValues = new Vector(5);
defaultText = new Vector(5);
}
if (IJ.isWindows()) columns -= 2;
if (columns < 1) columns = 1;
TextField tf = new TextField(IJ.d2s(defaultValue / scale, digits), columns);
if (IJ.isLinux()) tf.setBackground(Color.white);
tf.addActionListener(this);
tf.addTextListener(this);
tf.addFocusListener(this);
tf.addKeyListener(this);
numberField.addElement(tf);
sliderIndexes[slider.size() - 1] = numberField.size() - 1;
sliderScales[slider.size() - 1] = scale;
defaultValues.addElement(new Double(defaultValue / scale));
defaultText.addElement(tf.getText());
tf.setEditable(true);
firstSlider = false;
Panel panel = new Panel();
GridBagLayout pgrid = new GridBagLayout();
GridBagConstraints pc = new GridBagConstraints();
panel.setLayout(pgrid);
pc.gridx = 0;
pc.gridy = 0;
pc.gridwidth = 1;
pc.ipadx = 85;
pc.anchor = GridBagConstraints.WEST;
pgrid.setConstraints(s, pc);
panel.add(s);
pc.ipadx = 0; // reset
// text field
pc.gridx = 1;
pc.insets = new Insets(5, 5, 0, 0);
pc.anchor = GridBagConstraints.EAST;
pgrid.setConstraints(tf, pc);
panel.add(tf);
grid.setConstraints(panel, c);
c.gridx = 1;
c.gridy = y;
c.gridwidth = 1;
c.anchor = GridBagConstraints.WEST;
c.insets = new Insets(0, 0, 0, 0);
grid.setConstraints(panel, c);
add(panel);
y++;
if (Recorder.record || macro) saveLabel(tf, label);
}
