elementArea.cc

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//== INCLUDES =================================================================
#include <QGraphicsItem>
#include <QGraphicsSceneMouseEvent>
 
#include "../parser/element.hh"
#include "elementArea.hh"
#include "graphicsScene.hh"
#include "sceneElement.hh"
 
//== NAMESPACES ===============================================================
namespace VSI {
 
//=============================================================================
//
//  CLASS VSI::ElementArea - IMPLEMENTATION
//
//=============================================================================
 
ElementArea::ElementArea (GraphicsScene *_scene) :
  scene_ (_scene)
{
}
 
//------------------------------------------------------------------------------
 
ElementArea::~ElementArea ()
{
}
 
//------------------------------------------------------------------------------
 
QRectF ElementArea::boundingRect () const
{
  return elementsBoundingRect_;
}
 
//------------------------------------------------------------------------------
 
void ElementArea::addElement (SceneElement *_element)
{
  foreach (QGraphicsItem *e, elements_)
    e->setSelected (false);
 
  elements_.append (_element);
  _element->setParentItem (this);
  prepareGeometryChange ();
  elementsBoundingRect_ = _element->boundingRect () | _element->childrenBoundingRect ();
 
  _element->setSelected (true);
  update ();
}
 
//------------------------------------------------------------------------------
 
bool ElementArea::removeElement (SceneElement *_element, bool _force)
{
 
  if (!_force && _element->element ()->flags () & ELEMENT_FLAG_NO_DELETE)
    return false;
  if (elements_.contains (_element))
  {
    elements_.removeAll (_element);
    _element->setParentItem (0);
    prepareGeometryChange();
    elementsBoundingRect_ = childrenBoundingRect();
    return true;
  }
  else
    return false;
}
 
//------------------------------------------------------------------------------
 
const QList<SceneElement *>& ElementArea::elements () const
{
  return elements_;
}
 
//------------------------------------------------------------------------------
}