rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 130 insertions, 0 deletions

diff --git a/libs/ardour/named_selection.cc b/libs/ardour/named_selection.cc
new file mode 100644
index 0000000000..fbb4b748df
--- /dev/null
+++ b/libs/ardour/named_selection.cc
@@ -0,0 +1,130 @@
+/*
+    Copyright (C) 2003 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 <pbd/failed_constructor.h>
+#include <pbd/error.h>
+
+#include <ardour/session.h>
+#include <ardour/utils.h>
+#include <ardour/playlist.h>
+#include <ardour/named_selection.h>
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+using namespace PBD;
+
+sigc::signal<void,NamedSelection*> NamedSelection::NamedSelectionCreated;
+
+typedef std::list<boost::shared_ptr<Playlist> > PlaylistList;
+
+NamedSelection::NamedSelection (string n, PlaylistList& l) 
+	: name (n)
+{
+	playlists = l;
+	for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+		string new_name;
+
+		/* rename playlists to reflect our ownership */
+
+		new_name = name;
+		new_name += '/';
+		new_name += (*i)->name();
+
+		(*i)->set_name (new_name);
+		(*i)->use();
+	}
+
+	NamedSelectionCreated (this);
+}
+
+NamedSelection::NamedSelection (Session& session, const XMLNode& node)
+{
+	XMLNode* lists_node;
+	const XMLProperty* property;
+
+	if ((property = node.property ("name")) == 0) {
+		throw failed_constructor();
+	}
+
+	name = property->value();
+	
+	if ((lists_node = find_named_node (node, "Playlists")) == 0) {
+		return;
+	}
+
+	XMLNodeList nlist = lists_node->children();
+	XMLNodeConstIterator niter;
+
+	for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+
+		const XMLNode* plnode;
+		string playlist_name;
+		boost::shared_ptr<Playlist> playlist;
+
+		plnode = *niter;
+
+		if ((property = plnode->property ("name")) != 0) {
+			if ((playlist = session.playlist_by_name (property->value())) != 0) {
+				playlist->use();
+				playlists.push_back (playlist);
+			} else {
+				warning << string_compose (_("Chunk %1 uses an unknown playlist \"%2\""), name, property->value()) << endmsg;
+			}
+		} else {
+			error << string_compose (_("Chunk %1 contains misformed playlist information"), name) << endmsg;
+			throw failed_constructor();
+		}
+	}
+
+	NamedSelectionCreated (this);
+}
+
+NamedSelection::~NamedSelection ()
+{
+	for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+		(*i)->release ();
+		(*i)->GoingAway ();
+	}
+}
+
+int
+NamedSelection::set_state (const XMLNode& node)
+{
+	return 0;
+}
+
+XMLNode&
+NamedSelection::get_state ()
+{
+	XMLNode* root = new XMLNode ("NamedSelection");
+	XMLNode* child;
+
+	root->add_property ("name", name);
+	child = root->add_child ("Playlists");
+
+	for (PlaylistList::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+		XMLNode* plnode = new XMLNode ("Playlist");
+
+		plnode->add_property ("name", (*i)->name());
+		child->add_child_nocopy (*plnode);
+	}
+	
+	return *root;
+}