/**
* Get the control type associated with the given object or null if unknown.
*
* @param control the control object
* @return the control type. Can be one of {@link AVKey#VIEW_PAN}, {@link AVKey#VIEW_LOOK}, {@link
* AVKey#VIEW_HEADING_LEFT}, {@link AVKey#VIEW_HEADING_RIGHT}, {@link AVKey#VIEW_ZOOM_IN},
* {@link AVKey#VIEW_ZOOM_OUT}, {@link AVKey#VIEW_PITCH_UP}, {@link AVKey#VIEW_PITCH_DOWN},
* {@link AVKey#VIEW_FOV_NARROW} or {@link AVKey#VIEW_FOV_WIDE}.
* <p>Returns null if the object is not a view control associated with this layer.
*/
public String getControlType(Object control) {
if (control == null || !(control instanceof ScreenAnnotation)) return null;
if (showPanControls && controlPan.equals(control)) return AVKey.VIEW_PAN;
else if (showLookControls && controlLook.equals(control)) return AVKey.VIEW_LOOK;
else if (showHeadingControls && controlHeadingLeft.equals(control))
return AVKey.VIEW_HEADING_LEFT;
else if (showHeadingControls && controlHeadingRight.equals(control))
return AVKey.VIEW_HEADING_RIGHT;
else if (showZoomControls && controlZoomIn.equals(control)) return AVKey.VIEW_ZOOM_IN;
else if (showZoomControls && controlZoomOut.equals(control)) return AVKey.VIEW_ZOOM_OUT;
else if (showPitchControls && controlPitchUp.equals(control)) return AVKey.VIEW_PITCH_UP;
else if (showPitchControls && controlPitchDown.equals(control)) return AVKey.VIEW_PITCH_DOWN;
else if (showFovControls && controlFovNarrow.equals(control)) return AVKey.VIEW_FOV_NARROW;
else if (showFovControls && controlFovWide.equals(control)) return AVKey.VIEW_FOV_WIDE;
else if (showVeControls && controlVeUp.equals(control)) return AVKey.VERTICAL_EXAGGERATION_UP;
else if (showVeControls && controlVeDown.equals(control))
return AVKey.VERTICAL_EXAGGERATION_DOWN;
return null;
}
