HgIgnoredFileHolder.java

/*
 * Copyright 2000-2016 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 org.zmlx.hg4idea.provider;

import com.intellij.openapi.project.Project;
import com.intellij.openapi.vcs.AbstractVcs;
import com.intellij.openapi.vcs.changes.ChangesViewRefresher;
import com.intellij.openapi.vcs.changes.FileHolder;
import com.intellij.openapi.vcs.changes.VcsIgnoredFilesHolder;
import com.intellij.openapi.vcs.changes.VcsModifiableDirtyScope;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.zmlx.hg4idea.HgVcs;
import org.zmlx.hg4idea.repo.HgRepository;
import org.zmlx.hg4idea.util.HgUtil;

import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

public class HgIgnoredFileHolder implements VcsIgnoredFilesHolder, ChangesViewRefresher {
  private final Project myProject;
  private final HgVcs myVcs;
  private final Map<HgRepository, HgLocalIgnoredHolder> myVcsIgnoredHolderMap;

  public HgIgnoredFileHolder(Project project) {
    myProject = project;
    myVcs = HgVcs.getInstance(myProject);
    myVcsIgnoredHolderMap = ContainerUtil.newHashMap();
  }

  @Override
  public void addFile(VirtualFile file) {
  }

  @Override
  public boolean containsFile(VirtualFile file) {
    HgRepository repositoryForFile = HgUtil.getRepositoryForFile(myProject, file);
    if (repositoryForFile == null) return false;
    HgLocalIgnoredHolder localIgnoredHolder = myVcsIgnoredHolderMap.get(repositoryForFile);
    return localIgnoredHolder != null && localIgnoredHolder.contains(file);
  }

  @Override
  public Collection<VirtualFile> values() {
    return myVcsIgnoredHolderMap.values().stream().map(HgLocalIgnoredHolder::getIgnoredFiles).flatMap(Set::stream)
      .collect(Collectors.toSet());
  }

  @Override
  public void cleanAndAdjustScope(final VcsModifiableDirtyScope scope) {
  }

  @Override
  public void cleanAll() {
    myVcsIgnoredHolderMap.clear();
  }

  @Override
  public FileHolder copy() {
    final HgIgnoredFileHolder result = new HgIgnoredFileHolder(myProject);
    result.myVcsIgnoredHolderMap.putAll(myVcsIgnoredHolderMap);
    return result;
  }

  @Override
  public HolderType getType() {
    return HolderType.IGNORED;
  }

  @Override
  public void notifyVcsStarted(AbstractVcs scope) {
    myVcsIgnoredHolderMap.clear();
    for (HgRepository repository : HgUtil.getRepositoryManager(myProject).getRepositories()) {
      myVcsIgnoredHolderMap.put(repository, repository.getLocalIgnoredHolder());
    }
  }

  @Override
  public boolean isInUpdatingMode() {
    return myVcsIgnoredHolderMap.values().stream().anyMatch(HgLocalIgnoredHolder::isInUpdateMode);
  }

  @NotNull
  @Override
  public AbstractVcs getVcs() {
    return myVcs;
  }

  @Override
  public void refresh(Project project) {
    HgUtil.getRepositoryManager(project).getRepositories().forEach(r -> r.getLocalIgnoredHolder().startRescan());
  }
}