view_manager.h

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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
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef VIEW_MANAGER_H
#define VIEW_MANAGER_H

#include <QList>
#include <QObject>
#include <QStringList>

#include "rviz/pluginlib_factory.h"
#include "rviz/view_controller.h"
#include "rviz/rviz_export.h"

namespace Ogre
{
class SceneNode;
}

namespace rviz
{
class DisplayContext;
class Property;
class PropertyTreeModel;
class ViewController;
class ViewControllerContainer;

class RVIZ_EXPORT ViewManager : public QObject
{
  Q_OBJECT
public:
  ViewManager(DisplayContext* context);
  ~ViewManager() override;

  void initialize();

  void update(float wall_dt, float ros_dt);

  ViewController* getCurrent() const;

  ViewController* create(const QString& type);

  int getNumViews() const;

  ViewController* getViewAt(int index) const;

  void add(ViewController* view, int index = -1);

  ViewController* take(ViewController* view);

  ViewController* takeAt(int index);

  PropertyTreeModel* getPropertyModel()
  {
    return property_model_;
  }

  void load(const Config& config);
  void save(Config config) const;

  void setCurrentFrom(ViewController* view_to_copy);

  ViewController* copy(ViewController* source);

  PluginlibFactory<ViewController>* getFactory() const
  {
    return factory_;
  }

  void setRenderPanel(RenderPanel* render_panel);

  RenderPanel* getRenderPanel() const
  {
    return render_panel_;
  }

public Q_SLOTS:

  void copyCurrentToList();

  void setCurrentViewControllerType(const QString& new_class_id);

Q_SIGNALS:
  void configChanged();

  void currentChanged();

private Q_SLOTS:
  void onCurrentDestroyed(QObject* obj);

private:
  void setCurrent(ViewController* new_current, bool mimic_view);

  DisplayContext* context_;
  ViewControllerContainer* root_property_;
  PropertyTreeModel* property_model_;
  PluginlibFactory<ViewController>* factory_;
  ViewController* current_;
  RenderPanel* render_panel_;
};

class ViewControllerContainer : public Property
{
  Q_OBJECT
public:
  Qt::ItemFlags getViewFlags(int column) const override;

  void addChild(Property* child, int index = -1) override;

  void addChildToFront(Property* child);
};

} // end namespace rviz

#endif // VIEW_MANAGER_H