IDEA-81540 Mercurial (hg) integration should allow to copy revision number to clipboard

plugins/hg4idea/resources/org/zmlx/hg4idea/HgVcsMessages.properties

@@ -114,4 +114,6 @@ hg4idea.integrate.other.head=Other head: {0}
 
 hg4idea.dialog.login.password.required=Login and password required
 hg4idea.dialog.login.description=Login to {0}
-hg4idea.exception.file.not.under.hg=The file {0} is not under Mercurial.
+hg4idea.exception.file.not.under.hg=The file {0} is not under Mercurial.
+
+hg4idea.history.copy.revision.number=Copy Revision Number

plugins/hg4idea/src/org/zmlx/hg4idea/HgCopyHistoryRevisionNumberAction.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2000-2012 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;
+
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.ide.CopyPasteManager;
+import com.intellij.openapi.project.DumbAware;
+import com.intellij.openapi.vcs.VcsDataKeys;
+import com.intellij.openapi.vcs.history.VcsFileRevision;
+import com.intellij.util.PlatformIcons;
+
+import java.awt.datatransfer.StringSelection;
+
+/**
+ * @author Nadya Zabrodina
+ */
+public class HgCopyHistoryRevisionNumberAction extends AnAction implements DumbAware {
+
+  /**
+   * The constructor
+   */
+  public HgCopyHistoryRevisionNumberAction() {
+    super(HgVcsMessages.message("hg4idea.history.copy.revision.number"),
+          HgVcsMessages.message("hg4idea.history.copy.revision.number"),
+          PlatformIcons.COPY_ICON);
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  @Override
+  public void actionPerformed(AnActionEvent e) {
+    VcsFileRevision revision = e.getData(VcsDataKeys.VCS_FILE_REVISION);
+    if (revision != null) {
+      CopyPasteManager.getInstance().setContents(new StringSelection(revision.getRevisionNumber().asString()));
+    }
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  @Override
+  public void update(AnActionEvent e) {
+    super.update(e);
+    e.getPresentation().setEnabled((e.getData(VcsDataKeys.VCS_FILE_REVISION) != null));
+  }
+}
+
+

plugins/hg4idea/src/org/zmlx/hg4idea/provider/HgHistoryProvider.java

@@ -16,17 +16,19 @@ import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vcs.FilePath;
 import com.intellij.openapi.vcs.VcsException;
+import com.intellij.openapi.vcs.annotate.ShowAllAffectedGenericAction;
 import com.intellij.openapi.vcs.history.*;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.util.ui.ColumnInfo;
 import com.intellij.vcsUtil.VcsUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.zmlx.hg4idea.HgCopyHistoryRevisionNumberAction;
 import org.zmlx.hg4idea.HgFile;
 import org.zmlx.hg4idea.HgFileRevision;
-import org.zmlx.hg4idea.util.HgUtil;
 import org.zmlx.hg4idea.command.HgLogCommand;
 import org.zmlx.hg4idea.command.HgWorkingCopyRevisionsCommand;
+import org.zmlx.hg4idea.util.HgUtil;
 
 import javax.swing.*;
 import java.util.ArrayList;
@@ -49,7 +51,7 @@ public class HgHistoryProvider implements VcsHistoryProvider {
   }
 
   public AnAction[] getAdditionalActions(Runnable runnable) {
-    return new AnAction[0];
+    return new AnAction[]{ShowAllAffectedGenericAction.getInstance(), new HgCopyHistoryRevisionNumberAction()};
   }
 
   public boolean isDateOmittable() {