toCollapse.clearChildren();
}
public void setDirty() {
CodemapCore plugin = CodemapCore.getPlugin();
if (plugin == null) return;
MapPerProject activeMap = plugin.getActiveMap();
if (activeMap == null) return;
Layer layer = activeMap.getLayer(CallOverlay.class);
if (layer == null) {
layer = new CallOverlay(this);