/**
* Sets the mass. Overrides PointMass method.
*
* @param mass the mass
*/
public void setMass(double mass) {
super.setMass(mass);
mass = super.getMass();
massField.setValue(mass);
// refresh mass parameter in paramPanel if changed
Parameter massParam = (Parameter) getParamEditor().getObject("m"); // $NON-NLS-1$
if (massParam != null && massParam.getValue() != mass) {
functionPanel.getParamEditor().setExpression("m", String.valueOf(mass), false); // $NON-NLS-1$
refreshSteps();
}
}
/** This adds the mass and initial time parameters to the function panel. */
protected void createMassAndTimeParameters() {
Parameter param = new Parameter("m", String.valueOf(getMass())); // $NON-NLS-1$
param.setNameEditable(false);
param.setDescription(
TrackerRes.getString("ParticleModel.Parameter.Mass.Description")); // $NON-NLS-1$
getParamEditor().addObject(param, false);
param = new Parameter("t", "0"); // $NON-NLS-1$ //$NON-NLS-2$
param.setNameEditable(false);
param.setDescription(
TrackerRes.getString("ParticleModel.Parameter.InitialTime.Description")); // $NON-NLS-1$
functionPanel.getInitEditor().addObject(param, false);
getParamEditor()
.addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if ("m".equals(e.getOldValue())) { // $NON-NLS-1$
Parameter param = (Parameter) getParamEditor().getObject("m"); // $NON-NLS-1$
if (ParticleModel.super.getMass() != param.getValue()) {
setMass(param.getValue());
}
}
}
});
getInitEditor()
.addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if (refreshing) return;
if ("t".equals(e.getOldValue()) && trackerPanel != null) { // $NON-NLS-1$
Parameter param = (Parameter) getInitEditor().getObject("t"); // $NON-NLS-1$
VideoClip clip = trackerPanel.getPlayer().getVideoClip();
double timeOffset = param.getValue() * 1000 - clip.getStartTime();
double dt = trackerPanel.getPlayer().getMeanStepDuration();
int n = clip.getStartFrameNumber();
boolean mustRound = timeOffset % dt > 0;
n += clip.getStepSize() * (int) Math.round(timeOffset / dt);
setStartFrame(n);
if (getStartFrame() != n || mustRound) Toolkit.getDefaultToolkit().beep();
}
}
});
}
/**
* Gets the function editor.
*
* @return UserFunctionEditor
*/
public UserFunctionEditor getFunctionEditor() {
return functionPanel.getUserFunctionEditor();
}
/**
* Gets the initial value editor.
*
* @return the editor
*/
public InitialValueEditor getInitEditor() {
return functionPanel.getInitEditor();
}
/**
* Gets the parameter editor.
*
* @return ParamEditor
*/
public ParamEditor getParamEditor() {
return functionPanel.getParamEditor();
}
/**
* Gets the initial values.
*
* @return initial values
*/
public double[] getInitialValues() {
return functionPanel.getInitEditor().getValues();
}