@Override
public boolean apply(GLElementFactoryContext context) {
if (context.get(List.class, null) != null
&& context.get("id2double", Function.class, null) != null) return true;
if (context.get(IDoubleList.class, null) != null) return true;
return hasTablePerspective(context);
}
/**
* @param string
* @param context
* @param glyph
* @return
*/
private EValueGlyph toGlyph(String key, GLElementFactoryContext context, EValueGlyph default_) {
String v = context.get(key, String.class, null);
if (StringUtils.isBlank(v)) return default_;
try {
EValueGlyph g = EValueGlyph.valueOf(v.toUpperCase());
return g;
} catch (Exception e) {
Logger.create(SingleAxisElement.class).warn("invalid value glyph spec: " + v, e);
}
return default_;
}
@Override
public GLElement create(GLElementFactoryContext context) {
SingleAxisElement elem = null;
boolean renderOutsideBounds = context.is("renderOutsideBounds", false);
if (hasTablePerspective(context))
elem = new SingleAxisElement(context.getData(), renderOutsideBounds);
else {
EDimension dim = context.get(EDimension.class, EDimension.RECORD);
double min = context.getDouble("min", Double.NaN);
double max = context.getDouble("max", Double.NaN);
if (context.get(List.class, null) != null
&& context.get("id2double", Function.class, null) != null) {
@SuppressWarnings("unchecked")
List<Integer> data = context.get(List.class, null);
IDType idType = context.get(IDType.class, null);
@SuppressWarnings("unchecked")
Function<Integer, Double> f = context.get("id2double", Function.class, null);
elem = new SingleAxisElement(dim, data, idType, f, min, max, renderOutsideBounds);
} else if (context.get(IDoubleList.class, null) != null) {
IDoubleList data = context.get(IDoubleList.class, null);
elem = new SingleAxisElement(dim, data, min, max, renderOutsideBounds);
}
}
if (elem == null) return null;
EDetailLevel detailLevel = context.get(EDetailLevel.class, EDetailLevel.MEDIUM);
String[] markers = context.get("markers", String[].class, null);
if (markers != null) elem.setMarker(markers);
else if (detailLevel == EDetailLevel.HIGH) elem.setNumberMarkers();
elem.setInvertOrder(context.is("invertOrder"));
elem.setGlyph(toGlyph("valueGlyph", context, elem.getGlyph()));
return elem;
}
/**
* @param context
* @return
*/
private boolean hasTablePerspective(GLElementFactoryContext context) {
TablePerspective d = context.getData();
if (d == null) return false;
if (!DataSupportDefinitions.homogenousColumns.apply(d)) return false;
return d.getNrDimensions() == 1 || d.getNrRecords() == 1;
}