/*
* 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.impl.facade;
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.collapsing.CollapsedGraph;
import com.intellij.vcs.log.graph.collapsing.DottedFilterEdgesGenerator;
import com.intellij.vcs.log.graph.utils.LinearGraphUtils;
import com.intellij.vcs.log.graph.utils.UnsignedBitSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Set;
public class FilteredController extends CascadeController {
@NotNull private final CollapsedGraph myCollapsedGraph;
protected FilteredController(@NotNull CascadeController delegateLinearGraphController,
@NotNull PermanentGraphInfo permanentGraphInfo,
@NotNull Set<Integer> matchedIds) {
super(delegateLinearGraphController, permanentGraphInfo);
UnsignedBitSet initVisibility = new UnsignedBitSet();
for (Integer matchedId : matchedIds) initVisibility.set(matchedId, true);
myCollapsedGraph = CollapsedGraph.newInstance(delegateLinearGraphController.getCompiledGraph(), initVisibility);
DottedFilterEdgesGenerator.update(myCollapsedGraph, 0, myCollapsedGraph.getDelegatedGraph().nodesCount() - 1);
}
@NotNull
@Override
public LinearGraphAnswer performLinearGraphAction(@NotNull LinearGraphAction action) {
// filter prohibits any actions on delegate graph for now
LinearGraphAnswer answer = performAction(action);
if (answer != null) return answer;
return LinearGraphUtils.DEFAULT_GRAPH_ANSWER;
}
@Nullable
@Override
protected GraphElement convertToDelegate(@NotNull GraphElement graphElement) {
// filter prohibits any actions on delegate graph for now
return null;
}
@NotNull
@Override
protected LinearGraphAnswer delegateGraphChanged(@NotNull LinearGraphAnswer delegateAnswer) {
if (delegateAnswer == LinearGraphUtils.DEFAULT_GRAPH_ANSWER) return delegateAnswer;
throw new UnsupportedOperationException(); // todo fix later
}
@Nullable
@Override
protected LinearGraphAnswer performAction(@NotNull LinearGraphAction action) {
return null;
}
@NotNull
@Override
public LinearGraph getCompiledGraph() {
return myCollapsedGraph.getCompiledGraph();
}
}