| /* |
| * Copyright 2000-2014 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.print; |
| |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.vcs.log.graph.GraphColorManager; |
| import com.intellij.vcs.log.graph.SimplePrintElement; |
| import com.intellij.vcs.log.graph.api.LinearGraph; |
| import com.intellij.vcs.log.graph.api.LinearGraphWithCommitInfo; |
| import com.intellij.vcs.log.graph.api.LinearGraphWithElementInfo; |
| 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.printer.PrintElementWithGraphElement; |
| import com.intellij.vcs.log.graph.api.printer.PrintElementsManager; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.awt.*; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| public abstract class AbstractPrintElementsManager<CommitId> implements PrintElementsManager { |
| |
| @Nullable |
| public static GraphEdge containedCollapsedEdge(@NotNull GraphElement element, @NotNull LinearGraphWithElementInfo graphWithElementsInfo) { |
| if (element instanceof GraphEdge) { |
| GraphEdge edge = (GraphEdge)element; |
| if (edge.getType() == GraphEdge.Type.HIDE) |
| return edge; |
| |
| } else { |
| int nodeIndex = ((GraphNode)element).getNodeIndex(); |
| for (int upNode : graphWithElementsInfo.getUpNodes(nodeIndex)) { |
| if (graphWithElementsInfo.getEdgeType(upNode, nodeIndex) == GraphEdge.Type.HIDE) |
| return new GraphEdge(upNode, nodeIndex, GraphEdge.Type.HIDE); |
| } |
| for (int downNode : graphWithElementsInfo.getDownNodes(nodeIndex)) { |
| if (graphWithElementsInfo.getEdgeType(nodeIndex, downNode) == GraphEdge.Type.HIDE) |
| return new GraphEdge(nodeIndex, downNode, GraphEdge.Type.HIDE); |
| } |
| } |
| |
| return null; |
| } |
| |
| private static final Cursor DEFAULT_CURSOR = Cursor.getDefaultCursor(); |
| private static final Cursor HAND_CURSOR = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR); |
| |
| @NotNull |
| protected final LinearGraphWithCommitInfo<CommitId> myPrintedLinearGraph; |
| |
| @NotNull |
| protected final GraphColorManager<CommitId> myColorManager; |
| |
| @Nullable |
| private PrintElementWithGraphElement mySpecialSelectedPrintElement = null; |
| |
| @NotNull |
| private Set<Integer> mySelectedNodes = Collections.emptySet(); |
| |
| protected AbstractPrintElementsManager(@NotNull LinearGraphWithCommitInfo<CommitId> printedLinearGraph, @NotNull GraphColorManager<CommitId> colorManager) { |
| myPrintedLinearGraph = printedLinearGraph; |
| myColorManager = colorManager; |
| } |
| |
| @Override |
| public boolean elementIsSelected(@NotNull PrintElementWithGraphElement printElement) { |
| if (mySpecialSelectedPrintElement != null && printElement.equals(mySpecialSelectedPrintElement)) |
| return true; |
| |
| GraphElement graphElement = printElement.getGraphElement(); |
| if (graphElement instanceof GraphNode) { |
| return mySelectedNodes.contains(((GraphNode)graphElement).getNodeIndex()); |
| } else { |
| GraphEdge edge = (GraphEdge)graphElement; |
| return mySelectedNodes.contains(edge.getUpNodeIndex()) && mySelectedNodes.contains(edge.getDownNodeIndex()); |
| } |
| } |
| |
| @Nullable |
| @Override |
| public Cursor performOverElement(@Nullable PrintElementWithGraphElement printElement) { |
| if (printElement instanceof SimplePrintElement) { |
| SimplePrintElement.Type elementType = ((SimplePrintElement)printElement).getType(); |
| if (elementType == SimplePrintElement.Type.UP_ARROW || elementType == SimplePrintElement.Type.DOWN_ARROW) { |
| mySelectedNodes = Collections.emptySet(); |
| mySpecialSelectedPrintElement = printElement; |
| return HAND_CURSOR; |
| } |
| } else { |
| mySpecialSelectedPrintElement = null; |
| } |
| |
| if (printElement != null) { |
| GraphEdge graphEdge = containedCollapsedEdge(printElement.getGraphElement(), myPrintedLinearGraph); |
| if (graphEdge != null && allowSelectCollapsedEdge(graphEdge)) { |
| mySelectedNodes = ContainerUtil.set(graphEdge.getUpNodeIndex(), graphEdge.getDownNodeIndex()); |
| } else { |
| mySelectedNodes = getSelectedNodes(printElement.getGraphElement()); |
| } |
| } else { |
| mySelectedNodes = Collections.emptySet(); |
| } |
| |
| return DEFAULT_CURSOR; // todo when drop GraphFacade, return null, when mySpecialSelectedPrintElement == null |
| } |
| |
| @Override |
| public int getColorId(@NotNull GraphElement element) { |
| int upNodeIndex, downNodeIndex; |
| if (element instanceof GraphNode) { |
| upNodeIndex = ((GraphNode)element).getNodeIndex(); |
| downNodeIndex = upNodeIndex; |
| } else { |
| GraphEdge edge = (GraphEdge)element; |
| upNodeIndex = edge.getUpNodeIndex(); |
| downNodeIndex = edge.getDownNodeIndex(); |
| } |
| if (downNodeIndex == LinearGraph.NOT_LOAD_COMMIT) |
| downNodeIndex = upNodeIndex; |
| |
| int upLayoutIndex = myPrintedLinearGraph.getLayoutIndex(upNodeIndex); |
| int downLayoutIndex = myPrintedLinearGraph.getLayoutIndex(downNodeIndex); |
| |
| CommitId headCommitId = myPrintedLinearGraph.getOneOfHeads(upNodeIndex); |
| if (upLayoutIndex != downLayoutIndex) { |
| return myColorManager.getColorOfFragment(headCommitId, Math.max(upLayoutIndex, downLayoutIndex)); |
| } |
| |
| if (upLayoutIndex == myPrintedLinearGraph.getHeadLayoutIndex(upNodeIndex)) |
| return myColorManager.getColorOfBranch(headCommitId); |
| else |
| return myColorManager.getColorOfFragment(headCommitId, upLayoutIndex); |
| } |
| |
| @NotNull |
| protected abstract Set<Integer> getSelectedNodes(@NotNull GraphElement graphElement); |
| |
| protected boolean allowSelectCollapsedEdge(@NotNull GraphEdge graphEdge) { |
| return true; |
| } |
| } |