enum_property.cpp

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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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