edit_enum_item.h

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/*
 * Copyright (c) 2011, 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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 */
#ifndef RVIZ_EDIT_ENUM_ITEM_H
#define RVIZ_EDIT_ENUM_ITEM_H

#include <QObject>

#include "rviz/properties/property_widget_item.h"
#include "rviz/properties/property.h"

namespace rviz
{

typedef std::vector<std::string> V_string;
typedef boost::function<void(V_string&)> EditEnumOptionCallback;

class EditEnumItem: public QObject, public PropertyWidgetItem
{
Q_OBJECT
public:
  EditEnumItem( EditEnumProperty* property );

  // Overrides from PropertyWidgetItem
  virtual QWidget* createEditor( QWidget* parent, const QStyleOptionViewItem & option );

  virtual bool setEditorData( QWidget* editor );

  virtual bool setModelData( QWidget* editor );

  // Enum-specific functions

  void setChoices( V_string& choices );

  void setChoice( const std::string& choice );

  std::string getChoice() { return choice_; }

  void setOptionCallback( EditEnumOptionCallback cb ) { option_cb_ = cb; }

private Q_SLOTS:
  void setChoiceIndex( int new_choice_index );

private:
  V_string choices_;
  std::string choice_;
  bool signal_changes_;

  EditEnumOptionCallback option_cb_;
};

} // end namespace rviz

#endif // RVIZ_EDIT_ENUM_ITEM_H