/**
* Creates a region (first deleting it if one with that name exists)
*
* @param string
* @param xaxis
* @return
* @throws Exception
*/
public static final IRegion replaceCreateRegion(
final IRegionSystem system, final String name, final RegionType type) throws Exception {
if (system.getRegion(name) != null) {
system.removeRegion(system.getRegion(name));
}
return system.createRegion(name, type);
}
/**
* Call to get a unique region name
*
* @param nameStub
* @param system
* @return
*/
public static String getUniqueName(
final String nameStub, final IRegionSystem system, final String... usedNames) {
int i = 1;
@SuppressWarnings("unchecked")
final List<String> used =
(List<String>) (usedNames != null ? Arrays.asList(usedNames) : Collections.emptyList());
while (system.getRegion(nameStub + " " + i) != null || used.contains(nameStub + " " + i)) {
++i;
if (i > 10000) break; // something went wrong!
}
return nameStub + " " + i;
}
/**
* @param plotter
* @return
*/
public static Color getUniqueColor(
IRegion.RegionType type, IRegionSystem plotter, Collection<Color> colours) {
final Collection<Color> used = new HashSet<Color>(7);
for (IRegion reg : plotter.getRegions()) {
if (reg.getRegionType() != type) continue;
used.add(reg.getRegionColor());
}
for (Color color : colours) {
if (!used.contains(color)) return color;
}
return colours.iterator().next();
}