diff options
Diffstat (limited to 'platform/dvcs-impl/src/com/intellij/dvcs/ui/VcsLogOneCommitPerRepoAction.java')
-rw-r--r-- | platform/dvcs-impl/src/com/intellij/dvcs/ui/VcsLogOneCommitPerRepoAction.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/platform/dvcs-impl/src/com/intellij/dvcs/ui/VcsLogOneCommitPerRepoAction.java b/platform/dvcs-impl/src/com/intellij/dvcs/ui/VcsLogOneCommitPerRepoAction.java new file mode 100644 index 000000000000..1b4be918a3e1 --- /dev/null +++ b/platform/dvcs-impl/src/com/intellij/dvcs/ui/VcsLogOneCommitPerRepoAction.java @@ -0,0 +1,69 @@ +/* + * 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.dvcs.ui; + +import com.intellij.dvcs.repo.Repository; +import com.intellij.openapi.project.Project; +import com.intellij.openapi.util.Condition; +import com.intellij.util.containers.ContainerUtil; +import com.intellij.util.containers.MultiMap; +import com.intellij.vcs.log.VcsFullCommitDetails; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; + +import java.util.Collection; +import java.util.Map; + +public abstract class VcsLogOneCommitPerRepoAction<Repo extends Repository> extends VcsLogAction<Repo> { + + @Override + protected void actionPerformed(@NotNull Project project, @NotNull MultiMap<Repo, VcsFullCommitDetails> grouped) { + Map<Repo, VcsFullCommitDetails> singleElementMap = convertToSingleElementMap(grouped); + assert singleElementMap != null; + actionPerformed(project, singleElementMap); + } + + @Override + protected boolean isEnabled(@NotNull MultiMap<Repo, VcsFullCommitDetails> grouped) { + return allValuesAreSingletons(grouped); + } + + protected abstract void actionPerformed(@NotNull Project project, @NotNull Map<Repo, VcsFullCommitDetails> commits); + + private boolean allValuesAreSingletons(@NotNull MultiMap<Repo, VcsFullCommitDetails> grouped) { + return !ContainerUtil.exists(grouped.entrySet(), new Condition<Map.Entry<Repo, Collection<VcsFullCommitDetails>>>() { + @Override + public boolean value(Map.Entry<Repo, Collection<VcsFullCommitDetails>> entry) { + return entry.getValue().size() != 1; + } + }); + } + + @Nullable + private Map<Repo, VcsFullCommitDetails> convertToSingleElementMap(@NotNull MultiMap<Repo, VcsFullCommitDetails> groupedCommits) { + Map<Repo, VcsFullCommitDetails> map = ContainerUtil.newHashMap(); + for (Map.Entry<Repo, Collection<VcsFullCommitDetails>> entry : groupedCommits.entrySet()) { + Collection<VcsFullCommitDetails> commits = entry.getValue(); + if (commits.size() != 1) { + return null; + } + map.put(entry.getKey(), commits.iterator().next()); + } + return map; + } + + +} |