VcsLogCreatePatchAction.java

/*
 * 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.vcs.log.ui.actions;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.vcs.VcsDataKeys;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vcs.changes.actions.CreatePatchFromChangesAction;
import com.intellij.vcs.log.impl.VcsLogUtil;

public class VcsLogCreatePatchAction extends CreatePatchFromChangesAction {

  @Override
  public void update(AnActionEvent e) {
    Change[] changes;
    e.getPresentation().setEnabled((changes = e.getData(VcsDataKeys.CHANGES)) != null && changes.length > 0);
  }

  @Override
  public void actionPerformed(AnActionEvent e) {
    VcsLogUtil.triggerUsage(e);
    super.actionPerformed(e);
  }
}