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package demos.nurbs.surfaceapp;
import javax.swing.JSpinner;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
/**
* Listener reacting to event occuring on components editing coords end weight of selected control point
* Listener zpracovávající události na komponentách editujících souřadnice a váhu vybraného řídícícho bodu
* @author Tomáš Hráský
*
*/
public class SpinnerListener implements ChangeListener {
/**
* Parent window
* Okno aplikace, k němuž listener patří
*/
private SurfaceApp appWindow;
/**
* Creates new instance with link to parent window
* Vytvoří instanci objektu s odkazem na rodičovské okno
* @param app parent app window
*/
public SpinnerListener(SurfaceApp app) {
this.appWindow=app;
}
/* (non-Javadoc)
* @see javax.swing.event.ChangeListener#stateChanged(javax.swing.event.ChangeEvent)
*/
public void stateChanged(ChangeEvent e) {
JSpinner src=(JSpinner) e.getSource();
// System.out.println(src.getValue().getClass().toString());
float val = 0;
if(src.getValue() instanceof Double) val=((Double) src.getValue()).floatValue();
if(src.getValue() instanceof Float) val=((Float) src.getValue()).floatValue();
if(src.getName()==SurfaceApp.X_SPINNER_NAME)
Surface.getInstance().setActiveX(val);
if(src.getName()==SurfaceApp.Y_SPINNER_NAME)
Surface.getInstance().setActiveY(val);
if(src.getName()==SurfaceApp.Z_SPINNER_NAME)
Surface.getInstance().setActiveZ(val);
if(src.getName()==SurfaceApp.W_SPINNER_NAME)
Surface.getInstance().setActiveW(val);
appWindow.updateGLCanvas();
}
}
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