private static UsageGroupingRule[] getActiveGroupingRules(final Project project) {
final UsageGroupingRuleProvider[] providers =
Extensions.getExtensions(UsageGroupingRuleProvider.EP_NAME);
List<UsageGroupingRule> list = new ArrayList<UsageGroupingRule>(providers.length);
for (UsageGroupingRuleProvider provider : providers) {
ContainerUtil.addAll(list, provider.getActiveRules(project));
}
Collections.sort(
list,
new Comparator<UsageGroupingRule>() {
@Override
public int compare(final UsageGroupingRule o1, final UsageGroupingRule o2) {
return getRank(o1) - getRank(o2);
}
private int getRank(final UsageGroupingRule rule) {
if (rule instanceof OrderableUsageGroupingRule) {
return ((OrderableUsageGroupingRule) rule).getRank();
}
return Integer.MAX_VALUE;
}
});
return list.toArray(new UsageGroupingRule[list.size()]);
}
private AnAction[] createGroupingActions() {
final UsageGroupingRuleProvider[] providers =
Extensions.getExtensions(UsageGroupingRuleProvider.EP_NAME);
List<AnAction> list = new ArrayList<AnAction>(providers.length);
for (UsageGroupingRuleProvider provider : providers) {
ContainerUtil.addAll(list, provider.createGroupingActions(this));
}
return list.toArray(new AnAction[list.size()]);
}