text: /*
   * Software License Agreement  (BSD License)
   *
   *  Point Cloud Library  (PCL) - www.pointclouds.org
   *  Copyright  (c) 2012, Jeremie Papon.
   *
   *  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 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 CLOUD_COMPOSER_ITEM_H_
  #define CLOUD_COMPOSER_ITEM_H_
  
  #include <pcl/point_types.h>
  #include <pcl/visualization/pcl_visualizer.h>
  #include <pcl/apps/cloud_composer/qt.h>
  #include <pcl/apps/cloud_composer/properties_model.h>
  
  static QStringList ITEM_TYPES_STRINGS(QStringList() << "Cloud Composer Item"
                                                      << "Cloud Item"
                                                      << "Normals Item"
                                                      << "FPFH Item");
  
  namespace pcl {
  namespace cloud_composer {
  class PropertiesModel;
  namespace ItemDataRole {
  enum {
      PROPERTIES = Qt::UserRole,
      ITEM_ID,
      CLOUD_BLOB,
      CLOUD_TEMPLATED,
      GEOMETRY_HANDLER,
      COLOR_HANDLER,
      ORIGIN,
      ORIENTATION,
      KD_TREE_SEARCH
  };
  };
  class PCL_EXPORTS CloudComposerItem : public QStandardItem {
    public:
      enum ItemType {
          CLOUD_COMPOSER_ITEM = QStandardItem::UserType,
          CLOUD_ITEM,
          NORMALS_ITEM,
          FPFH_ITEM
      };
  
      CloudComposerItem(const QString name = "default item");
      CloudComposerItem(const CloudComposerItem &to_copy);
      virtual ~CloudComposerItem();
  
      inline virtual int type() const { return CLOUD_COMPOSER_ITEM; }
  
      /** \brief Convenience function to get Item's ID String */
      inline QString getId() const {
          return data(ItemDataRole::ITEM_ID).toString();
      }
  
      /** \brief Convenience function to get Item's Property Pointer */
      inline PropertiesModel *getPropertiesModel() const { return properties_; }
  
      /** \brief Returns all children of item type type*/
      QList<CloudComposerItem *> getChildren(ItemType type) const;
  
      virtual CloudComposerItem *clone() const;
  
      //   /** \brief Convenience function which pulls out a cloud Ptr of type
      //   CloudPtrT */
      //    template <typename CloudPtrT>
      //    CloudPtrT
      //    getCloudPtr () const;
  
      /** \brief Paint View function - reimpliment in item subclass if it can be
       * displayed in PCLVisualizer*/
      virtual void
      paintView(boost::shared_ptr<pcl::visualization::PCLVisualizer> vis) const;
  
      /** \brief Remove from View function - reimpliment in item subclass if it
       * can be displayed in PCLVisualizer*/
      virtual void removeFromView(
          boost::shared_ptr<pcl::visualization::PCLVisualizer> vis) const;
  
      /** \brief Inspector additional tabs paint function - reimpliment in item
       * subclass if item has additional tabs to show in Inspector*/
      virtual QMap<QString, QWidget *> getInspectorTabs();
  
      /** \brief The property model calls this when a property changes */
      inline void propertyChanged() { emitDataChanged(); }
  
    protected:
      /** \brief Model for storing the properties of the item - pointer kept for
       * convenience   */
      PropertiesModel *properties_;
  };
  
  /** \brief Templated helper class for converting QVariant to/from pointer
   * classes   */
  template <class T> class VPtr {
    public:
      static T *asPtr(QVariant v) {
          return (static_cast<T *>(v.value<void *>()));
      }
  
      static QVariant asQVariant(T *ptr) {
          return (qVariantFromValue(static_cast<void *>(ptr)));
      }
  };
  
  } // namespace cloud_composer
  } // namespace pcl
  
  typedef QList<const pcl::cloud_composer::CloudComposerItem *> ConstItemList;
  
  Q_DECLARE_METATYPE(pcl::cloud_composer::CloudComposerItem);
  
  #endif // CLOUD_COMPOSER_ITEM_H_
  