| /* |
| * Copyright 2000-2013 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.ide.projectView.impl; |
| |
| import com.intellij.ide.projectView.ProjectView; |
| import com.intellij.ide.projectView.ProjectViewNode; |
| import com.intellij.ide.util.treeView.AbstractTreeNode; |
| import com.intellij.ide.util.treeView.AlphaComparator; |
| import com.intellij.ide.util.treeView.NodeDescriptor; |
| import com.intellij.openapi.project.Project; |
| |
| import java.util.Collection; |
| import java.util.Comparator; |
| |
| /** |
| * @author cdr |
| */ |
| public class GroupByTypeComparator implements Comparator<NodeDescriptor> { |
| private ProjectView myProjectView; |
| private String myPaneId; |
| private boolean myForceSortByType; |
| |
| public GroupByTypeComparator(final ProjectView projectView, final String paneId) { |
| myProjectView = projectView; |
| myPaneId = paneId; |
| } |
| |
| public GroupByTypeComparator(final boolean forceSortByType) { |
| myForceSortByType = forceSortByType; |
| } |
| |
| @Override |
| public int compare(NodeDescriptor descriptor1, NodeDescriptor descriptor2) { |
| if (!isSortByType() && descriptor1 instanceof ProjectViewNode && ((ProjectViewNode) descriptor1).isSortByFirstChild()) { |
| final Collection<AbstractTreeNode> children = ((ProjectViewNode)descriptor1).getChildren(); |
| if (!children.isEmpty()) { |
| descriptor1 = children.iterator().next(); |
| descriptor1.update(); |
| } |
| } |
| if (!isSortByType() && descriptor2 instanceof ProjectViewNode && ((ProjectViewNode) descriptor2).isSortByFirstChild()) { |
| final Collection<AbstractTreeNode> children = ((ProjectViewNode)descriptor2).getChildren(); |
| if (!children.isEmpty()) { |
| descriptor2 = children.iterator().next(); |
| descriptor2.update(); |
| } |
| } |
| |
| if (descriptor1 instanceof ProjectViewNode && descriptor2 instanceof ProjectViewNode) { |
| final Project project = descriptor1.getProject(); |
| final ProjectView projectView = ProjectView.getInstance(project); |
| if (!(projectView instanceof ProjectViewImpl && !((ProjectViewImpl)projectView).isFoldersAlwaysOnTop())) { |
| ProjectViewNode node1 = (ProjectViewNode)descriptor1; |
| ProjectViewNode node2 = (ProjectViewNode)descriptor2; |
| int typeWeight1 = node1.getTypeSortWeight(isSortByType()); |
| int typeWeight2 = node2.getTypeSortWeight(isSortByType()); |
| if (typeWeight1 != 0 && typeWeight2 == 0) { |
| return -1; |
| } |
| if (typeWeight1 == 0 && typeWeight2 != 0) { |
| return 1; |
| } |
| if (typeWeight1 != 0 && typeWeight2 != typeWeight1) { |
| return typeWeight1 - typeWeight2; |
| } |
| |
| if (isSortByType()) { |
| final Comparable typeSortKey1 = node1.getTypeSortKey(); |
| final Comparable typeSortKey2 = node2.getTypeSortKey(); |
| if (typeSortKey1 != null && typeSortKey2 != null) { |
| final int result = typeSortKey1.compareTo(typeSortKey2); |
| if (result != 0) return result; |
| } |
| } |
| else { |
| final Comparable typeSortKey1 = node1.getSortKey(); |
| final Comparable typeSortKey2 = node2.getSortKey(); |
| if (typeSortKey1 != null && typeSortKey2 != null) { |
| final int result = typeSortKey1.compareTo(typeSortKey2); |
| if (result != 0) return result; |
| } |
| } |
| |
| if (isAbbreviateQualifiedNames()) { |
| String key1 = node1.getQualifiedNameSortKey(); |
| String key2 = node2.getQualifiedNameSortKey(); |
| if (key1 != null && key2 != null) { |
| return key1.compareToIgnoreCase(key2); |
| } |
| } |
| } |
| } |
| if (descriptor1 == null) return -1; |
| if (descriptor2 == null) return 1; |
| return AlphaComparator.INSTANCE.compare(descriptor1, descriptor2); |
| } |
| |
| protected boolean isSortByType() { |
| if (myProjectView != null) { |
| return myProjectView.isSortByType(myPaneId); |
| } |
| return myForceSortByType; |
| } |
| |
| private boolean isAbbreviateQualifiedNames() { |
| return myProjectView != null && myProjectView.isAbbreviatePackageNames(myPaneId); |
| } |
| |
| } |