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-rw-r--r--libs/pbd/stateful_diff_command.cc17
1 files changed, 16 insertions, 1 deletions
diff --git a/libs/pbd/stateful_diff_command.cc b/libs/pbd/stateful_diff_command.cc
index 788a5be034..1332cae4ff 100644
--- a/libs/pbd/stateful_diff_command.cc
+++ b/libs/pbd/stateful_diff_command.cc
@@ -18,6 +18,7 @@
*/
#include "pbd/stateful_diff_command.h"
+#include "i18n.h"
using namespace std;
using namespace PBD;
@@ -35,6 +36,13 @@ StatefulDiffCommand::StatefulDiffCommand (Stateful* s)
_after = p.second;
}
+StatefulDiffCommand::StatefulDiffCommand (Stateful* s, XMLNode const & n)
+ : _object (s)
+{
+ _before = new XMLNode (*n.children().front());
+ _after = new XMLNode (*n.children().back());
+}
+
StatefulDiffCommand::~StatefulDiffCommand ()
{
@@ -57,5 +65,12 @@ StatefulDiffCommand::undo ()
XMLNode&
StatefulDiffCommand::get_state ()
{
- /* XXX */
+ XMLNode* node = new XMLNode (X_("StatefulDiffCommand"));
+
+ node->add_property ("obj-id", _object->id().to_s());
+ node->add_property ("type-name", typeid(*_object).name());
+ node->add_child_copy (*_before);
+ node->add_child_copy (*_after);
+
+ return *node;
}