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livetrax/libs/ardour/session_command.cc
Carl Hetherington 875f0befd5 Fix restoration of MementoCommand<Crossfade>. Fixes #3418.
git-svn-id: svn://localhost/ardour2/branches/3.0@7771 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-09-14 00:41:53 +00:00

192 lines
6.3 KiB
C++

/*
Copyright (C) 2000-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ardour/session.h"
#include "ardour/route.h"
#include "pbd/memento_command.h"
#include "ardour/diskstream.h"
#include "ardour/playlist.h"
#include "ardour/audioplaylist.h"
#include "ardour/audio_track.h"
#include "ardour/midi_playlist.h"
#include "ardour/midi_track.h"
#include "ardour/tempo.h"
#include "ardour/audiosource.h"
#include "ardour/audioregion.h"
#include "ardour/midi_source.h"
#include "ardour/midi_region.h"
#include "ardour/session_playlists.h"
#include "ardour/region_factory.h"
#include "ardour/midi_automation_list_binder.h"
#include "ardour/crossfade.h"
#include "pbd/error.h"
#include "pbd/id.h"
#include "pbd/statefuldestructible.h"
#include "pbd/failed_constructor.h"
#include "pbd/stateful_diff_command.h"
#include "evoral/Curve.hpp"
using namespace PBD;
using namespace ARDOUR;
#include "i18n.h"
void Session::register_with_memento_command_factory(PBD::ID id, PBD::StatefulDestructible *ptr)
{
registry[id] = ptr;
}
Command *
Session::memento_command_factory(XMLNode *n)
{
PBD::ID id;
XMLNode *before = 0, *after = 0;
XMLNode *child = 0;
/* get id */
/* XXX: HACK! */
bool have_id = n->property("obj-id") != 0;
if (have_id) {
id = PBD::ID(n->property("obj-id")->value());
}
/* get before/after */
if (n->name() == "MementoCommand") {
before = new XMLNode(*n->children().front());
after = new XMLNode(*n->children().back());
child = before;
} else if (n->name() == "MementoUndoCommand") {
before = new XMLNode(*n->children().front());
child = before;
} else if (n->name() == "MementoRedoCommand") {
after = new XMLNode(*n->children().front());
child = after;
} else if (n->name() == "PlaylistCommand") {
before = new XMLNode(*n->children().front());
after = new XMLNode(*n->children().back());
child = before;
}
if (!child) {
error << _("Tried to reconstitute a MementoCommand with no contents, failing. id=") << id.to_s() << endmsg;
return 0;
}
/* create command */
string obj_T = n->property ("type-name")->value();
if (obj_T == "ARDOUR::AudioRegion" || obj_T == "ARDOUR::MidiRegion" || obj_T == "ARDOUR::Region") {
boost::shared_ptr<Region> r = RegionFactory::region_by_id (id);
if (r) {
return new MementoCommand<Region>(*r, before, after);
}
} else if (obj_T == "ARDOUR::AudioSource" || obj_T == "ARDOUR::MidiSource") {
if (sources.count(id))
return new MementoCommand<Source>(*sources[id], before, after);
} else if (obj_T == "ARDOUR::Location") {
Location* loc = _locations->get_location_by_id(id);
if (loc) {
return new MementoCommand<Location>(*loc, before, after);
}
} else if (obj_T == "ARDOUR::Locations") {
return new MementoCommand<Locations>(*_locations, before, after);
} else if (obj_T == "ARDOUR::TempoMap") {
return new MementoCommand<TempoMap>(*_tempo_map, before, after);
} else if (obj_T == "ARDOUR::Playlist" || obj_T == "ARDOUR::AudioPlaylist" || obj_T == "ARDOUR::MidiPlaylist") {
if (boost::shared_ptr<Playlist> pl = playlists->by_name(child->property("name")->value())) {
return new MementoCommand<Playlist>(*(pl.get()), before, after);
}
} else if (obj_T == "ARDOUR::Route" || obj_T == "ARDOUR::AudioTrack" || obj_T == "ARDOUR::MidiTrack") {
if (boost::shared_ptr<Route> r = route_by_id(id)) {
return new MementoCommand<Route>(*r, before, after);
} else {
error << string_compose (X_("Route %1 not found in session"), id) << endmsg;
}
} else if (obj_T == "Evoral::Curve" || obj_T == "ARDOUR::AutomationList") {
if (have_id) {
std::map<PBD::ID, AutomationList*>::iterator i = automation_lists.find(id);
if (i != automation_lists.end()) {
return new MementoCommand<AutomationList>(*i->second, before, after);
}
} else {
return new MementoCommand<AutomationList> (
new MidiAutomationListBinder (n, sources),
before, after
);
}
cerr << "Alist not found\n";
} else if (obj_T == "ARDOUR::Crossfade") {
boost::shared_ptr<Crossfade> c = playlists->find_crossfade (id);
if (c) {
return new MementoCommand<Crossfade> (*c.get(), before, after);
} else {
error << string_compose (X_("Crossfade %1 not found in session"), id) << endmsg;
}
} else if (registry.count(id)) { // For Editor and AutomationLine which are off-limits herea
return new MementoCommand<PBD::StatefulDestructible>(*registry[id], before, after);
}
/* we failed */
error << string_compose (_("could not reconstitute MementoCommand from XMLNode. object type = %1 id = %2"), obj_T, id.to_s()) << endmsg;
return 0 ;
}
Command *
Session::stateful_diff_command_factory (XMLNode* n)
{
PBD::ID const id (n->property("obj-id")->value ());
string const obj_T = n->property ("type-name")->value ();
if ((obj_T == "ARDOUR::AudioRegion" || obj_T == "ARDOUR::MidiRegion")) {
boost::shared_ptr<Region> r = RegionFactory::region_by_id (id);
if (r) {
return new StatefulDiffCommand (r, *n);
}
} else if (obj_T == "ARDOUR::AudioPlaylist" || obj_T == "ARDOUR::MidiPlaylist") {
boost::shared_ptr<Playlist> p = playlists->by_id (id);
if (p) {
return new StatefulDiffCommand (p, *n);
} else {
cerr << "Playlist with ID = " << id << " not found\n";
}
}
/* we failed */
error << string_compose (
_("could not reconstitute StatefulDiffCommand from XMLNode. object type = %1 id = %2"), obj_T, id.to_s())
<< endmsg;
return 0;
}