enum_property.cpp

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
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#include "rviz/properties/combo_box.h"

#include "rviz/properties/enum_property.h"

namespace rviz
{

EnumProperty::EnumProperty( const QString& name,
                            const QString& default_value,
                            const QString& description,
                            Property* parent,
                            const char *changed_slot,
                            QObject* receiver )
  : StringProperty( name, default_value, description, parent, changed_slot, receiver )
{
}

void EnumProperty::clearOptions()
{
  strings_.clear();
  ints_.clear();
}

void EnumProperty::addOption( const QString& option, int value )
{
  strings_.push_back( option );
  ints_[ option ] = value;
}

int EnumProperty::getOptionInt()
{
  QString current_string = getValue().toString();
  QHash<QString, int>::const_iterator int_iter = ints_.find( current_string );
  if( int_iter != ints_.end() )
  {
    return int_iter.value();
  }
  return 0;
}

QWidget* EnumProperty::createEditor( QWidget* parent,
                                     const QStyleOptionViewItem& option )
{
  // Emit requestOptions() to give listeners a chance to change the option list.
  Q_EMIT requestOptions( this );

  ComboBox* cb = new ComboBox( parent );
  cb->addItems( strings_ );
  cb->setCurrentIndex( strings_.indexOf( getValue().toString() ));
  QObject::connect( cb, SIGNAL( currentIndexChanged( const QString& )), this, SLOT( setString( const QString& )));

  // TODO: need to better handle string value which is not in list.
  return cb;
}

void EnumProperty::setString( const QString& str )
{
  setValue( str );
}

} // end namespace rviz