// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.google.collide.client.editor.input;

import org.waveprotocol.wave.client.common.util.SignalEvent;

import com.google.collide.json.shared.JsonStringMap;
import com.google.collide.shared.util.JsonCollections;

/**
 * Default implementation that executed actions placed in map.
 *
 */
public class DefaultActionExecutor implements ActionExecutor {

  private final JsonStringMap<Shortcut> actions = JsonCollections.createMap();

  @Override
  public boolean execute(String actionName, InputScheme scheme, SignalEvent event) {
    Shortcut shortcut = actions.get(actionName);
    if (shortcut == null) {
      return false;
    }
    return shortcut.event(scheme, event);
  }

  protected void addAction(String actionName, Shortcut executor) {
    actions.put(actionName, executor);
  }
}
