platform/lang-impl/src/com/intellij/ide/bookmarks/actions/GoToMnemonicBookmarkActionBase.java

/*
 * Copyright 2000-2009 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.
 */

/*
 * @author max
 */
package com.intellij.ide.bookmarks.actions;

import com.intellij.ide.bookmarks.Bookmark;
import com.intellij.ide.bookmarks.BookmarkManager;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;

public abstract class GoToMnemonicBookmarkActionBase extends AnAction implements DumbAware {
  private final int myNumber;

  public GoToMnemonicBookmarkActionBase(int n) {
    myNumber = n;
  }

  @Override
  public void update(AnActionEvent e) {
    DataContext dataContext = e.getDataContext();
    final Project project = CommonDataKeys.PROJECT.getData(dataContext);
    e.getPresentation().setEnabled(project != null);
  }

  @Override
  public void actionPerformed(AnActionEvent e) {
    DataContext dataContext = e.getDataContext();
    final Project project = CommonDataKeys.PROJECT.getData(dataContext);

    final Bookmark bookmark = BookmarkManager.getInstance(project).findBookmarkForMnemonic((char)('0' + myNumber));
    if (bookmark != null) {
      bookmark.navigate(true);
    }
  }
}