99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
/*
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parent-track-.cpp - Implementation of the ParentTrack class
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Copyright (C) Lumiera.org
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2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file parent-track.cpp
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** Preliminary UI-model: Implementation of ParentTrack.
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** @warning as of 2016 this UI model is known to be a temporary workaround
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** and will be replaced in entirety by UI-Bus and diff framework.
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** @deprecated the existing timeline implementation will be completely rewritten
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*/
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#include "parent-track.hpp"
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#include <boost/foreach.hpp>
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using std::shared_ptr;
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namespace gui {
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namespace model {
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ParentTrack::ParentTrack()
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{
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}
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const std::list<shared_ptr<Track>>&
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ParentTrack::get_child_tracks() const
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{
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return tracks.get_list();
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}
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lumiera::observable_list<shared_ptr<Track>>&
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ParentTrack::get_child_track_list()
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{
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return tracks;
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}
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bool
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ParentTrack::can_host_children() const
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{
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return true;
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}
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bool
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ParentTrack::remove_descendant_track(
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const shared_ptr<Track> track)
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{
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REQUIRE(track);
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shared_ptr<ParentTrack> parent =
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find_descendant_track_parent(track);
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if(parent)
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{
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parent->tracks.remove(track);
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return true;
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}
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return false;
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}
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shared_ptr<ParentTrack>
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ParentTrack::find_descendant_track_parent(shared_ptr<Track> child)
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{
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using namespace boost; ///////////////////////////////////////////////////////////////////////////////TICKET #1071 no wildcard includes please!
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REQUIRE(child != NULL);
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BOOST_FOREACH(std::shared_ptr<Track> track, tracks) ///////TODO use a standard foreach loop
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{
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if(track == child)
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return shared_from_this();
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std::shared_ptr<ParentTrack> result =
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track->find_descendant_track_parent(child);
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if(result)
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return result;
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}
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return std::shared_ptr<ParentTrack>();
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}
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} // namespace model
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} // namespace gui
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