#include "CanvasMap.hxx"
#include "CanvasPath.hxx"
#include "CanvasText.hxx"
+#include <simgear/canvas/CanvasEventVisitor.hxx>
+#include <simgear/canvas/MouseEvent.hxx>
#include <boost/bind.hpp>
#include <boost/foreach.hpp>
template<typename T>
ElementPtr createElement( const CanvasWeakPtr& canvas,
const SGPropertyNode_ptr& node,
- const Style& style )
+ const Style& style,
+ Element* parent )
{
- return ElementPtr( new T(canvas, node, style) );
+ return ElementPtr( new T(canvas, node, style, parent) );
}
//----------------------------------------------------------------------------
Group::Group( const CanvasWeakPtr& canvas,
const SGPropertyNode_ptr& node,
- const Style& parent_style ):
- Element(canvas, node, parent_style)
+ const Style& parent_style,
+ Element* parent ):
+ Element(canvas, node, parent_style, parent)
{
_child_factories["group"] = &createElement<Group>;
_child_factories["image"] = &createElement<Image>;
//----------------------------------------------------------------------------
ElementPtr Group::createChild( const std::string& type,
- const std::string& name )
+ const std::string& id )
{
SGPropertyNode* node = _node->addChild(type, 0, false);
- if( !name.empty() )
- node->setStringValue("name", name);
+ if( !id.empty() )
+ node->setStringValue("id", id);
return getChild(node);
}
return child->second;
}
+ //----------------------------------------------------------------------------
+ ElementPtr Group::getElementById(const std::string& id)
+ {
+ std::vector<GroupPtr> groups;
+
+ BOOST_FOREACH( ChildList::value_type child, _children )
+ {
+ const ElementPtr& el = child.second;
+ if( el->getProps()->getStringValue("id") == id )
+ return el;
+
+ GroupPtr group = boost::dynamic_pointer_cast<Group>(el);
+ if( group )
+ groups.push_back(group);
+ }
+
+ BOOST_FOREACH( GroupPtr group, groups )
+ {
+ ElementPtr el = group->getElementById(id);
+ if( el )
+ return el;
+ }
+
+ return ElementPtr();
+ }
+
//----------------------------------------------------------------------------
void Group::update(double dt)
{
}
//----------------------------------------------------------------------------
- bool Group::handleLocalMouseEvent(const canvas::MouseEvent& event)
+ bool Group::traverse(EventVisitor& visitor)
{
// Iterate in reverse order as last child is displayed on top
BOOST_REVERSE_FOREACH( ChildList::value_type child, _children )
{
- if( child.second->handleMouseEvent(event) )
+ if( child.second->accept(visitor) )
return true;
}
return false;
_child_factories.find( child->getNameString() );
if( child_factory != _child_factories.end() )
{
- ElementPtr element = child_factory->second(_canvas, child, _style);
+ ElementPtr element = child_factory->second(_canvas, child, _style, this);
// Add to osg scene graph...
_transform->addChild( element->getMatrixTransform() );
(
_children.begin(),
_children.end(),
- boost::bind(&Group::ChildList::value_type::first, _1) == node
+ boost::bind(&ChildList::value_type::first, _1) == node
);
}