@Override
protected Object getValue(Object element) {
VolumeOption entryBeingAdded = getEntryBeingAdded();
if (entryBeingAdded == null) {
return cellEditor.getValue();
}
if (entryBeingAdded.getKey().isEmpty()) {
// editing just about to start. set first element as default.
return 0;
}
return getIndexOfEntry(entryBeingAdded);
}
@Override
protected void setValue(final Object element, final Object value) {
VolumeOption oldEntry = (VolumeOption) element;
Integer newValue = (Integer) value;
String newKey = allowedKeys[newValue];
if (((VolumeOption) element).getKey().equals(newKey)) {
// selected value is same as old one.
return;
}
// value has changed. set new value and refresh the viewer.
volume.getOptions().remove(oldEntry.getKey());
volume.setOption(newKey, "");
getViewer().refresh();
}
private int getIndexOfEntry(VolumeOption entryBeingAdded) {
for (int index = 0; index < allowedKeys.length; index++) {
if (allowedKeys[index].equals(entryBeingAdded.getKey())) {
return index;
}
}
return -1;
}
@Override
protected boolean canEdit(Object element) {
VolumeOption entry = (VolumeOption) element;
return (entry.getKey().isEmpty() || entry.getValue().isEmpty());
}