/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.workbench.goTo.navigation;
import jetbrains.mps.util.CollectConsumer;
import jetbrains.mps.util.IterableUtil;
import jetbrains.mps.workbench.index.RootNodeNameIndex;
import jetbrains.mps.workbench.goTo.index.SNodeDescriptor;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.module.SearchScope;
import org.jetbrains.mps.openapi.persistence.NavigationParticipant;
import org.jetbrains.mps.openapi.persistence.NavigationParticipant.NavigationTarget;
import org.jetbrains.mps.openapi.persistence.NavigationParticipant.TargetKind;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
import org.jetbrains.mps.openapi.util.ProgressMonitor;
import org.jetbrains.mps.openapi.util.SubProgressKind;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
public class GotoNavigationUtil {
public static Collection<NavigationTarget> getNavigationTargets(TargetKind kind, SearchScope scope, ProgressMonitor monitor) {
CollectConsumer<NavigationTarget> consumer = new CollectConsumer<NavigationTarget>(new HashSet<NavigationTarget>());
Collection<NavigationParticipant> participants = PersistenceFacade.getInstance().getNavigationParticipants();
monitor.start("Finding targets...", participants.size() + 5);
try {
Collection<SModel> current = IterableUtil.asCollection(scope.getModels());
for (NavigationParticipant participant : participants) {
final Set<SModel> next = new HashSet<SModel>(current);
CollectConsumer<SModel> processedModels = new CollectConsumer<SModel>(new HashSet<SModel>());
participant.findTargets(kind, current, consumer, processedModels);
next.removeAll(processedModels.getResult());
current = next;
monitor.advance(1);
}
ProgressMonitor subMonitor = monitor.subTask(4, SubProgressKind.DEFAULT);
subMonitor.start("", current.size());
for (SModel m : current) {
subMonitor.step(m.getName().getValue());
for (SNode root : RootNodeNameIndex.getRootsToIterate(m)) {
consumer.consume(new SNodeDescriptor(root));
}
if (monitor.isCanceled()) break;
subMonitor.advance(1);
}
subMonitor.done();
} finally {
monitor.done();
}
return consumer.getResult();
}
}