1 // A group of 2D canvas elements
3 // Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License as
7 // published by the Free Software Foundation; either version 2 of the
8 // License, or (at your option) any later version.
10 // This program is distributed in the hope that it will be useful, but
11 // WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 //----------------------------------------------------------------------------
28 Group::Group(SGPropertyNode_ptr node):
34 //----------------------------------------------------------------------------
40 //----------------------------------------------------------------------------
41 void Group::update(double dt)
43 for( ChildMap::iterator child = _children.begin();
44 child != _children.end();
46 child->second->update(dt);
51 //----------------------------------------------------------------------------
52 void Group::childAdded(SGPropertyNode* child)
54 boost::shared_ptr<Element> element;
56 if( child->getNameString() == "text" )
57 element.reset( new Text(child) );
58 else if( child->getNameString() == "group" )
59 element.reset( new Group(child) );
60 else if( child->getNameString() == "map" )
61 element.reset( new Map(child) );
62 else if( child->getNameString() == "path" )
63 element.reset( new Path(child) );
68 // Add to osg scene graph...
69 _transform->addChild( element->getMatrixTransform() );
70 _children[ child ] = element;
73 //----------------------------------------------------------------------------
74 void Group::childRemoved(SGPropertyNode* node)
76 if( node->getNameString() == "text"
77 || node->getNameString() == "group"
78 || node->getNameString() == "map"
79 || node->getNameString() == "path" )
81 ChildMap::iterator child = _children.find(node);
83 if( child == _children.end() )
88 "can't removed unknown child " << node->getDisplayName()
92 _transform->removeChild( child->second->getMatrixTransform() );
93 _children.erase(child);