/*
* Copyright 2000-2015 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 com.intellij.vcs.log.graph.collapsing;
import com.intellij.vcs.log.graph.api.LinearGraph;
import com.intellij.vcs.log.graph.api.elements.GraphElement;
import com.intellij.vcs.log.graph.api.permanent.PermanentGraphInfo;
import com.intellij.vcs.log.graph.impl.facade.CascadeController;
import com.intellij.vcs.log.graph.impl.facade.ReachableNodes;
import com.intellij.vcs.log.graph.utils.UnsignedBitSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Set;
public class BranchFilterController extends CascadeController {
@NotNull private CollapsedGraph myCollapsedGraph;
private final Set<Integer> myIdsOfVisibleBranches;
public BranchFilterController(@NotNull CascadeController delegateLinearGraphController,
@NotNull final PermanentGraphInfo<?> permanentGraphInfo,
@Nullable Set<Integer> idsOfVisibleBranches) {
super(delegateLinearGraphController, permanentGraphInfo);
myIdsOfVisibleBranches = idsOfVisibleBranches;
updateCollapsedGraph();
}
private void updateCollapsedGraph() {
UnsignedBitSet initVisibility =
ReachableNodes.getReachableNodes(myPermanentGraphInfo.getLinearGraph(), myIdsOfVisibleBranches);
myCollapsedGraph = CollapsedGraph.newInstance(getDelegateController().getCompiledGraph(), initVisibility);
}
@NotNull
@Override
protected LinearGraphAnswer delegateGraphChanged(@NotNull LinearGraphAnswer delegateAnswer) {
if (delegateAnswer.getGraphChanges() != null) updateCollapsedGraph();
return delegateAnswer;
}
@Nullable
@Override
protected LinearGraphAnswer performAction(@NotNull LinearGraphAction action) {
return null;
}
@NotNull
@Override
public LinearGraph getCompiledGraph() {
return myCollapsedGraph.getCompiledGraph();
}
@Nullable
@Override
protected GraphElement convertToDelegate(@NotNull GraphElement graphElement) {
return CollapsedController.convertToDelegate(graphElement, myCollapsedGraph);
}
}