view.cpp

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//--------------------------------------------------
//---------------------------------------------------

#include "view.h"
#include "../controller/data_view_mediator.h"

namespace imedgine 
{
  unsigned int View::num_constructed_views_ = 0;
  
  //---------------------------------------------------
  
  View::View(view_type type)
  : view_parent_(0), 
    data_view_mediator_(0),
    type_(type),
    view_id_(num_constructed_views_++)
  {    
    root_ = new SoSeparator();
    root_->ref();   
    
    //light_ = new SoDirectionalLight;
    //root_->addChild(light_);   
    
    //transform_ = new SoTransform();
    //transform_->scaleFactor = SbVec3f(1, 1, 1); 
    //root_->addChild(transform_); 
  }
  
  //---------------------------------------------------
  
  View::View(View const& src)
  : view_parent_(0),
    type_(src.type_),
    view_id_(num_constructed_views_++)
  {
    root_ = new SoSeparator();
    root_->ref();
  }    
  
  //---------------------------------------------------
  
  View::~View()
  {
#ifdef DEBUG
    std::cout << "Deleting View " << view_id_ << std::endl;
#endif
    root_->unref(); 
  }
  
  //---------------------------------------------------
  
  unsigned int View::getViewID() const
  {
    return(view_id_);  
  }
  
  //---------------------------------------------------
  
  view_type View::getType() const
  {
    return(type_);
  } 
  
  //---------------------------------------------------
  
  void View::setParent(QWidget* view_parent)
  {
    view_parent_ = view_parent;
  }
  
  //---------------------------------------------------
  
  void View::setDataset(dataset_pointer_type dataset)
      throw(NullPointerException, InvalidCastException)
  {
    dataset_key_ = dataset->getDatasetKey();
  }
  
  //---------------------------------------------------
  
  void View::onDataChangedEvent(dataset_attribute_type)
  {
  }
  
  //---------------------------------------------------
  
  void View::registerDataViewMediator(DataViewMediator* data_view_mediator)
  {
    data_view_mediator_ = data_view_mediator;
  }
  
  //---------------------------------------------------

  void View::deregisterDataViewMediator()
  {
    data_view_mediator_ = 0;
  }
  
  //-------------------------------------------------- 
  
  void View::createSceneGraph()
  {
    dynamic_sep_ = new SoSeparator;
    root_->addChild(dynamic_sep_);    
         
    static_sep_ = new SoSeparator;
    root_->addChild(static_sep_);    
    static_camera_ = new SoOrthographicCamera();
    static_camera_->focalDistance = 10;  
    static_camera_->nearDistance = 0.5;
    static_camera_->farDistance = 10;    
    static_camera_->viewportMapping = SoCamera::LEAVE_ALONE;    
    static_sep_->addChild(static_camera_); 
  }
    
  //---------------------------------------------------
     
  void View::notifyDataChangedEvent(dataset_attribute_type changed_attribute)
  {
    if (data_view_mediator_ !=0)
    {
      data_view_mediator_->updateDataChanged(dataset_key_, changed_attribute);
    }
  }
}

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