status_property.cpp

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
 *
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 *       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
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#include <QColor>

#include "rviz/properties/property_tree_model.h"

#include "rviz/properties/status_property.h"
#include "rviz/load_resource.h"

namespace rviz
{

QColor StatusProperty::status_colors_[3] = { QColor(), QColor( 192, 128, 0 ), QColor( 192, 32, 32 ) };
QString StatusProperty::status_words_[3] = { "Ok", "Warn", "Error" };

StatusProperty::StatusProperty( const QString& name, const QString& text, Level level, Property* parent )
  : Property( name, text, text, parent )
  , level_( level )
{
  setShouldBeSaved( false );
  status_icons_[0] = loadPixmap( "package://rviz/icons/ok.png" );
  status_icons_[1] = loadPixmap( "package://rviz/icons/warning.png" );
  status_icons_[2] = loadPixmap( "package://rviz/icons/error.png" );
}

bool StatusProperty::setValue( const QVariant& new_value )
{
  setDescription( new_value.toString() );
  return Property::setValue( new_value );
}

QVariant StatusProperty::getViewData( int column, int role ) const
{
  if ( (getViewFlags(column) & Qt::ItemIsEnabled) && column == 0 && role == Qt::ForegroundRole )
  {
    return statusColor( level_ );
  }
  if( column == 0 && role == Qt::DecorationRole )
  {
    return statusIcon( level_ );
  }
  return Property::getViewData( column, role );
}

Qt::ItemFlags StatusProperty::getViewFlags( int column ) const
{
  return Property::getViewFlags( column );
}

// static function
QColor StatusProperty::statusColor( Level level )
{
  return status_colors_[ (int) level ];
}

// static function
QIcon StatusProperty::statusIcon( Level level ) const
{
  return status_icons_[ level ];
}

// static function
QString StatusProperty::statusWord( Level level )
{
  return status_words_[ (int) level ];
}


void StatusProperty::setLevel( Level level )
{
  if( level_ != level )
  {
    level_ = level;
    if( model_ )
      model_->emitDataChanged( this );
  }
}

} // end namespace rviz