From 0c1576d21588ece4e226da04523f36adac3a14c3 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 27 May 2009 18:22:56 +0000
Subject: Rename 'destroy' 'delete' ('del' in code) (WebDAV DELETE). Rename
 'rename' 'move' (WebDAV MOVE).

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2012 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/events/MoveEvent.cpp | 142 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 src/engine/events/MoveEvent.cpp

(limited to 'src/engine/events/MoveEvent.cpp')

diff --git a/src/engine/events/MoveEvent.cpp b/src/engine/events/MoveEvent.cpp
new file mode 100644
index 00000000..661bc4c1
--- /dev/null
+++ b/src/engine/events/MoveEvent.cpp
@@ -0,0 +1,142 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "raul/Path.hpp"
+#include "ClientBroadcaster.hpp"
+#include "Engine.hpp"
+#include "NodeImpl.hpp"
+#include "EngineStore.hpp"
+#include "PatchImpl.hpp"
+#include "MoveEvent.hpp"
+#include "Responder.hpp"
+#include "AudioDriver.hpp"
+#include "MidiDriver.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+
+using namespace Shared;
+
+
+MoveEvent::MoveEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const Path& path, const Path& new_path)
+	: QueuedEvent(engine, responder, timestamp)
+	, _old_path(path)
+	, _new_path(new_path)
+	, _parent_patch(NULL)
+	, _store_iterator(engine.engine_store()->end())
+	, _error(NO_ERROR)
+{
+}
+
+
+MoveEvent::~MoveEvent()
+{
+}
+
+
+void
+MoveEvent::pre_process()
+{
+	if (!_old_path.parent().is_parent_of(_new_path)) {
+		_error = PARENT_DIFFERS;
+		QueuedEvent::pre_process();
+		return;
+	}
+	_store_iterator = _engine.engine_store()->find(_old_path);
+	if (_store_iterator == _engine.engine_store()->end())  {
+		_error = OBJECT_NOT_FOUND;
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	if (_engine.engine_store()->find_object(_new_path))  {
+		_error = OBJECT_EXISTS;
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	SharedPtr< Table<Path, SharedPtr<Shared::GraphObject> > > removed
+			= _engine.engine_store()->remove(_store_iterator);
+
+	assert(removed->size() > 0);
+
+	for (Table<Path, SharedPtr<Shared::GraphObject> >::iterator i = removed->begin(); i != removed->end(); ++i) {
+		const Path& child_old_path = i->first;
+		assert(Path::descendant_comparator(_old_path, child_old_path));
+
+		Path child_new_path;
+		if (child_old_path == _old_path)
+			child_new_path = _new_path;
+		else
+			child_new_path = Path(_new_path).base() + child_old_path.substr(_old_path.length()+1);
+
+		PtrCast<GraphObjectImpl>(i->second)->set_path(child_new_path);
+		i->first = child_new_path;
+	}
+
+	_engine.engine_store()->add(*removed.get());
+
+	QueuedEvent::pre_process();
+}
+
+
+void
+MoveEvent::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	SharedPtr<PortImpl> port = PtrCast<PortImpl>(_store_iterator->second);
+	if (port && port->parent()->parent() == NULL) {
+		DriverPort* driver_port = NULL;
+
+		if (port->type() == DataType::AUDIO)
+			driver_port = _engine.audio_driver()->driver_port(_new_path);
+		else if (port->type() == DataType::EVENT)
+			driver_port = _engine.midi_driver()->driver_port(_new_path);
+
+		if (driver_port)
+			driver_port->set_name(_new_path.str());
+	}
+}
+
+
+void
+MoveEvent::post_process()
+{
+	string msg = "Unable to rename object - ";
+
+	if (_error == NO_ERROR) {
+		_responder->respond_ok();
+		_engine.broadcaster()->send_move(_old_path, _new_path);
+	} else {
+		if (_error == OBJECT_EXISTS)
+			msg.append("Object already exists at ").append(_new_path.str());
+		else if (_error == OBJECT_NOT_FOUND)
+			msg.append("Could not find object ").append(_old_path.str());
+		else if (_error == OBJECT_NOT_RENAMABLE)
+			msg.append(_old_path.str()).append(" is not renamable");
+		else if (_error == PARENT_DIFFERS)
+			msg.append(_new_path.str()).append(" is a child of a different patch");
+
+		_responder->respond_error(msg);
+	}
+}
+
+
+} // namespace Ingen
-- 
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