//
//
// Data points
//
public void saveDataPoint(DataPointVO point) {
stopDataPoint(point.getId());
// Since the point's data type may have changed, we must ensure that the other attrtibutes are
// still ok with
// it.
int dataType = point.getPointLocator().getDataTypeId();
// Chart renderer
if (point.getChartRenderer() != null && !point.getChartRenderer().getDef().supports(dataType))
// Return to a default renderer
point.setChartRenderer(null);
// Text renderer
if (point.getTextRenderer() != null && !point.getTextRenderer().getDef().supports(dataType))
// Return to a default renderer
point.defaultTextRenderer();
// Event detectors
Iterator<PointEventDetectorVO> peds = point.getEventDetectors().iterator();
while (peds.hasNext()) {
PointEventDetectorVO ped = peds.next();
if (!ped.getDef().supports(dataType))
// Remove the detector.
peds.remove();
}
new DataPointDao().saveDataPoint(point);
if (point.isEnabled()) startDataPoint(point);
}
@Override
protected void createStateImpl(
RuntimeManager rtm, HttpServletRequest request, JspComponentState state) {
String value;
DataPointRT dataPointRT = rtm.getDataPoint(dataPointVO.getId());
if (dataPointRT == null) value = disabledValue;
else {
PointValueTime pvt = dataPointRT.getPointValue();
if (pvt != null && pvt.getValue() instanceof ImageValue) {
// Text renderers don't help here. Create a thumbnail.
Map<String, Object> model = new HashMap<String, Object>();
model.put("point", dataPointVO);
model.put("pointValue", pvt);
value = BaseDwr.generateContent(request, "imageValueThumbnail.jsp", model);
} else {
int hint = raw ? TextRenderer.HINT_RAW : TextRenderer.HINT_FULL;
value = dataPointVO.getTextRenderer().getText(pvt, hint);
if (pvt != null && time) state.setTime(pvt.getTime());
}
}
state.setValue(value);
}