platform/lang-impl/src/com/intellij/ide/macro/FilePromptMacro.java

/*
 * 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 com.intellij.ide.macro;

import com.intellij.ide.IdeBundle;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.fileChooser.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.VirtualFile;

/**
 * @author yole
 */
public class FilePromptMacro extends PromptingMacro implements SecondQueueExpandMacro {
  @Override
  public String getName() {
    return "FilePrompt";
  }

  @Override
  public String getDescription() {
    return "Shows a file chooser dialog";
  }

  @Override
  protected String promptUser(DataContext dataContext) {
    Project project = CommonDataKeys.PROJECT.getData(dataContext);
    final FileChooserDescriptor descriptor = FileChooserDescriptorFactory.createSingleLocalFileDescriptor();
    final VirtualFile[] result = FileChooser.chooseFiles(descriptor, project, null);
    return result.length == 1? FileUtil.toSystemDependentName(result[0].getPath()) : null;
  }

  @Override
  public void cachePreview(DataContext dataContext) {
    myCachedPreview = IdeBundle.message("macro.fileprompt.preview");
  }
}