1 files changed, 58 insertions, 0 deletions
diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgActionUtil.java b/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgActionUtil.java
new file mode 100644
index 000000000000..6abebd587787
--- /dev/null
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/action/HgActionUtil.java
@@ -0,0 +1,58 @@
+/*
+ * 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 org.zmlx.hg4idea.action;
+
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.CommonDataKeys;
+import com.intellij.openapi.actionSystem.DataContext;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.util.Function;
+import com.intellij.util.containers.ContainerUtil;
+import com.sun.istack.internal.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.zmlx.hg4idea.repo.HgRepository;
+import org.zmlx.hg4idea.repo.HgRepositoryManager;
+import org.zmlx.hg4idea.util.HgUtil;
+
+import java.util.Collection;
+import java.util.List;
+
+public class HgActionUtil {
+
+  @NotNull
+  public static List<HgRepository> collectRepositoriesFromFiles(@NotNull final HgRepositoryManager repositoryManager,
+                                                                @NotNull Collection<VirtualFile> files) {
+    return ContainerUtil.mapNotNull(files, new Function<VirtualFile, HgRepository>() {
+      @Override
+      public HgRepository fun(VirtualFile file) {
+        return repositoryManager.getRepositoryForFile(file);
+      }
+    });
+  }
+
+  @Nullable
+  public static HgRepository getSelectedRepositoryFromEvent(AnActionEvent e) {
+    final DataContext dataContext = e.getDataContext();
+    final Project project = CommonDataKeys.PROJECT.getData(dataContext);
+    if (project == null) {
+      return null;
+    }
+    VirtualFile file = e.getData(CommonDataKeys.VIRTUAL_FILE);
+    HgRepositoryManager repositoryManager = HgUtil.getRepositoryManager(project);
+    return file != null ? repositoryManager.getRepositoryForFile(file) : HgUtil.getCurrentRepository(project);
+  }
+}