Added Om aka Graph aka god knows what

git-svn-id: http://svn.drobilla.net/lad/grauph@9 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 123 insertions, 0 deletions

diff --git a/src/engine/RenameEvent.cpp b/src/engine/RenameEvent.cpp
new file mode 100644
index 00000000..e2e98dd0
--- /dev/null
+++ b/src/engine/RenameEvent.cpp
@@ -0,0 +1,123 @@
+/* This file is part of Om.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Om 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.
+ * 
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "RenameEvent.h"
+#include "Responder.h"
+#include "Patch.h"
+#include "Node.h"
+#include "Tree.h"
+#include "Om.h"
+#include "OmApp.h"
+#include "ClientBroadcaster.h"
+#include "util/Path.h"
+#include "ObjectStore.h"
+
+namespace Om {
+
+
+RenameEvent::RenameEvent(CountedPtr<Responder> responder, const string& path, const string& name)
+: QueuedEvent(responder),
+  m_old_path(path),
+  m_name(name),
+  m_new_path(m_old_path.parent().base_path() + name),
+  m_parent_patch(NULL),
+  m_store_treenode(NULL),
+  m_error(NO_ERROR)
+{
+	/*
+	if (m_old_path.parent() == "/")
+		m_new_path = string("/") + m_name;
+	else
+		m_new_path = m_old_path.parent() +"/"+ m_name;*/
+}
+
+
+RenameEvent::~RenameEvent()
+{
+}
+
+
+void
+RenameEvent::pre_process()
+{
+	if (m_name.find("/") != string::npos) {
+		m_error = INVALID_NAME;
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	if (om->object_store()->find(m_new_path)) {
+		m_error = OBJECT_EXISTS;
+		QueuedEvent::pre_process();
+		return;
+	}
+	
+	OmObject* obj = om->object_store()->find(m_old_path);
+
+	if (obj == NULL) {
+		m_error = OBJECT_NOT_FOUND;
+		QueuedEvent::pre_process();
+		return;
+	}
+	
+	// Renaming only works for Nodes and Patches (which are Nodes)
+	if (obj->as_node() == NULL) {
+		m_error = OBJECT_NOT_RENAMABLE;
+		QueuedEvent::pre_process();
+		return;
+	}
+	
+	if (obj != NULL) {
+		obj->set_path(m_new_path);
+		assert(obj->path() == m_new_path);
+	}
+	
+	QueuedEvent::pre_process();
+}
+
+
+void
+RenameEvent::execute(samplecount offset)
+{
+	//cout << "Executing rename event...";
+	QueuedEvent::execute(offset);
+}
+
+
+void
+RenameEvent::post_process()
+{
+	string msg = "Unable to rename object - ";
+	
+	if (m_error == NO_ERROR) {
+		m_responder->respond_ok();
+		om->client_broadcaster()->send_rename(m_old_path, m_new_path);
+	} else {
+		if (m_error == OBJECT_EXISTS)
+			msg.append("Object already exists at ").append(m_new_path);
+		else if (m_error == OBJECT_NOT_FOUND)
+			msg.append("Could not find object ").append(m_old_path);
+		else if (m_error == OBJECT_NOT_RENAMABLE)
+			msg.append(m_old_path).append(" is not renamable");
+		else if (m_error == INVALID_NAME)
+			msg.append(m_name).append(" is not a valid name");
+
+		m_responder->respond_error(msg);
+	}
+}
+
+
+} // namespace Om