failed_display.cpp

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <QColor>
 
#include <rviz/properties/status_property.h>
#include <rviz/display_context.h>
#include <rviz/load_resource.h>
 
#include "failed_display.h"
 
namespace rviz
{
FailedDisplay::FailedDisplay(const QString& desired_class_id, const QString& error_message)
  : error_message_(error_message)
{
  setClassId(desired_class_id);
  setIcon(loadPixmap("package://rviz/icons/failed_display.png"));
}
 
QVariant FailedDisplay::getViewData(int column, int role) const
{
  if (column == 0)
  {
    switch (role)
    {
    case Qt::ForegroundRole:
      return StatusProperty::statusColor(StatusProperty::Error);
    default:
      break;
    }
  }
  return Display::getViewData(column, role);
}
 
QString FailedDisplay::getDescription() const
{
  return "The class required for this display, '" + getClassId() +
         "', could not be loaded.<br><b>Error:</b><br>" + error_message_;
}
 
void FailedDisplay::load(const Config& config)
{
  saved_config_ = config;
  Display::load(config);
}
 
void FailedDisplay::save(Config config) const
{
  if (saved_config_.isValid())
  {
    config.copy(saved_config_);
  }
}
 
} // end namespace rviz