/*
GanttProject is an opensource project management tool.
Copyright (C) 2003-2011 GanttProject team

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package net.sourceforge.ganttproject.action.resource;

import java.awt.event.ActionEvent;
import java.io.File;

import net.sourceforge.ganttproject.GanttProject;
import net.sourceforge.ganttproject.gui.OpenFileDialog;
import net.sourceforge.ganttproject.gui.UIFacade;
import net.sourceforge.ganttproject.io.GanttXMLOpen;
import net.sourceforge.ganttproject.parser.ResourceTagHandler;
import net.sourceforge.ganttproject.parser.RoleTagHandler;
import net.sourceforge.ganttproject.resource.HumanResourceManager;
import net.sourceforge.ganttproject.roles.RoleManager;
import net.sourceforge.ganttproject.task.TaskManager;

/**
 * Import resources action, the user selects a GanttProject file to import the
 * resources from
 */
public class ResourceImportAction extends ResourceAction {
  private final TaskManager myTaskManager;

  private final RoleManager myRoleManager;

  private OpenFileDialog myOpenDialog;

  private final UIFacade myUiFacade;

  public ResourceImportAction(HumanResourceManager resourceManager, TaskManager taskManager, RoleManager roleManager,
      GanttProject project) {
    super("resource.import", resourceManager);
    myTaskManager = taskManager;
    myRoleManager = roleManager;
    myUiFacade = project.getUIFacade();
  }

  @Override
  public void actionPerformed(ActionEvent event) {
    final File file = getResourcesFile();
    if (file != null) {
      myUiFacade.getUndoManager().undoableEdit(getLocalizedDescription(), new Runnable() {
        @Override
        public void run() {
          GanttXMLOpen loader = new GanttXMLOpen(null, null, myTaskManager, myUiFacade);
          ResourceTagHandler tagHandler = new ResourceTagHandler(getManager(), myRoleManager,
              getManager().getCustomPropertyManager());
          loader.addParsingListener(tagHandler);
          RoleTagHandler rolesHandler = new RoleTagHandler(RoleManager.Access.getInstance());
          loader.addTagHandler(tagHandler);
          loader.addTagHandler(rolesHandler);
          loader.load(file);
        }
      });
    }
  }

  private File getResourcesFile() {
    if (myOpenDialog == null) {
      myOpenDialog = new OpenFileDialog();
    }
    return myOpenDialog.show();
  }

  @Override
  protected String getIconFilePrefix() {
    return "impres_";
  }
}