/*
* 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.util.NotNullFunction;
import com.intellij.vcs.log.graph.GraphColorManager;
import com.intellij.vcs.log.graph.api.LinearGraph;
import com.intellij.vcs.log.graph.api.elements.GraphEdge;
import com.intellij.vcs.log.graph.api.elements.GraphElement;
import com.intellij.vcs.log.graph.api.elements.GraphNode;
import com.intellij.vcs.log.graph.api.permanent.PermanentGraphInfo;
import com.intellij.vcs.log.graph.api.printer.PrintElementManager;
import com.intellij.vcs.log.graph.impl.print.ColorGetterByLayoutIndex;
import com.intellij.vcs.log.graph.impl.print.GraphElementComparatorByLayoutIndex;
import com.intellij.vcs.log.graph.impl.print.elements.PrintElementWithGraphElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collections;
import java.util.Comparator;
import java.util.Set;
class PrintElementManagerImpl implements PrintElementManager {
@NotNull private final Comparator<GraphElement> myGraphElementComparator;
@NotNull private final ColorGetterByLayoutIndex myColorGetter;
@NotNull private final LinearGraph myLinearGraph;
@NotNull private Set<Integer> mySelectedNodeIds = Collections.emptySet();
@Nullable private PrintElementWithGraphElement mySelectedPrintElement = null;
@SuppressWarnings("unchecked")
PrintElementManagerImpl(@NotNull final LinearGraph linearGraph,
@NotNull final PermanentGraphInfo myPermanentGraph,
@NotNull GraphColorManager colorManager) {
myLinearGraph = linearGraph;
myColorGetter = new ColorGetterByLayoutIndex(linearGraph, myPermanentGraph, colorManager);
myGraphElementComparator = new GraphElementComparatorByLayoutIndex(new NotNullFunction<Integer, Integer>() {
@NotNull
@Override
public Integer fun(Integer nodeIndex) {
int nodeId = linearGraph.getNodeId(nodeIndex);
if (nodeId < 0) return nodeId;
return myPermanentGraph.getPermanentGraphLayout().getLayoutIndex(nodeId);
}
});
}
@Override
public boolean isSelected(@NotNull PrintElementWithGraphElement printElement) {
if (printElement.equals(mySelectedPrintElement)) return true;
GraphElement graphElement = printElement.getGraphElement();
if (graphElement instanceof GraphNode) {
int nodeId = myLinearGraph.getNodeId(((GraphNode)graphElement).getNodeIndex());
return mySelectedNodeIds.contains(nodeId);
}
if (graphElement instanceof GraphEdge) {
GraphEdge edge = (GraphEdge)graphElement;
boolean selected = edge.getTargetId() == null || mySelectedNodeIds.contains(edge.getTargetId());
selected &= edge.getUpNodeIndex() == null || mySelectedNodeIds.contains(myLinearGraph.getNodeId(edge.getUpNodeIndex()));
selected &= edge.getDownNodeIndex() == null || mySelectedNodeIds.contains(myLinearGraph.getNodeId(edge.getDownNodeIndex()));
return selected;
}
return false;
}
void setSelectedElement(@NotNull PrintElementWithGraphElement printElement) {
mySelectedNodeIds = Collections.emptySet();
mySelectedPrintElement = printElement;
}
void setSelectedElements(@NotNull Set<Integer> selectedNodeId) {
mySelectedPrintElement = null;
mySelectedNodeIds = selectedNodeId;
}
@Override
public int getColorId(@NotNull GraphElement element) {
return myColorGetter.getColorId(element);
}
@NotNull
@Override
public Comparator<GraphElement> getGraphElementComparator() {
return myGraphElementComparator;
}
}