new files from sakari, missed last time

git-svn-id: svn://localhost/ardour2/branches/3.0@3738 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 738 insertions, 0 deletions

diff --git a/gtk2_ardour/session_metadata_dialog.cc b/gtk2_ardour/session_metadata_dialog.cc
new file mode 100644
index 0000000000..35920038be
--- /dev/null
+++ b/gtk2_ardour/session_metadata_dialog.cc
@@ -0,0 +1,738 @@
+/*
+    Copyright (C) 2008 Paul Davis 
+    Author: Sakari Bergen
+
+    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 "session_metadata_dialog.h"
+
+#include <sstream>
+
+#include <gtkmm2ext/utils.h>
+#include <gtkmm2ext/window_title.h>
+
+#include "i18n.h"
+#include <pbd/xml++.h>
+#include <ardour/session.h>
+#include <ardour/session_directory.h>
+#include <ardour/session_utils.h>
+
+#define CALL_MEMBER_FN(object,ptrToMember)  ((object).*(ptrToMember))
+
+/*** MetadataField ***/
+
+MetadataField::MetadataField (ustring const & field_name) :
+  _name (field_name)
+{
+}
+
+MetadataField::~MetadataField() { }
+
+/* TextMetadataField */
+
+TextMetadataField::TextMetadataField (Getter getter, Setter setter, ustring const & field_name, guint width ) :
+  MetadataField (field_name),
+  getter (getter),
+  setter (setter),
+  width (width)
+{
+	entry = 0;
+	label = 0;
+	value_label = 0;
+}
+
+MetadataPtr
+TextMetadataField::copy ()
+{
+	return MetadataPtr (new TextMetadataField (getter, setter, _name, width));
+}
+
+void
+TextMetadataField::save_data (ARDOUR::SessionMetadata & data) const
+{
+	CALL_MEMBER_FN (data, setter) (_value);
+}
+
+void
+TextMetadataField::load_data (ARDOUR::SessionMetadata const & data)
+{
+	_value = CALL_MEMBER_FN (data, getter) ();
+	if (entry) {
+		entry->set_text (_value);
+	}
+}
+
+Gtk::Widget &
+TextMetadataField::name_widget ()
+{
+	label = Gtk::manage (new Gtk::Label(_name + ':', Gtk::ALIGN_LEFT));
+	return *label;
+}
+
+Gtk::Widget &
+TextMetadataField::value_widget ()
+{
+	value_label = Gtk::manage (new Gtk::Label(_value));
+	return *value_label;
+}
+
+Gtk::Widget &
+TextMetadataField::edit_widget ()
+{
+	entry = Gtk::manage (new Gtk::Entry());
+	
+	entry->set_text (_value);
+	entry->set_width_chars (width);
+	entry->signal_changed().connect (sigc::mem_fun(*this, &TextMetadataField::update_value));
+	
+	return *entry;
+}
+
+void
+TextMetadataField::update_value ()
+{
+	_value = entry->get_text ();
+}
+
+/* NumberMetadataField */
+
+NumberMetadataField::NumberMetadataField (Getter getter, Setter setter, ustring const & field_name, guint numbers, guint width) :
+  MetadataField (field_name),
+  getter (getter),
+  setter (setter),
+  numbers (numbers),
+  width (width)
+{
+	entry = 0;
+	label = 0;
+	value_label = 0;
+}
+
+MetadataPtr
+NumberMetadataField::copy ()
+{
+	return MetadataPtr (new NumberMetadataField (getter, setter, _name, numbers, width));
+}
+
+void
+NumberMetadataField::save_data (ARDOUR::SessionMetadata & data) const
+{
+	uint32_t number = str_to_uint (_value);
+	CALL_MEMBER_FN (data, setter) (number);
+}
+
+void
+NumberMetadataField::load_data (ARDOUR::SessionMetadata const & data)
+{
+	uint32_t number = CALL_MEMBER_FN (data, getter) ();
+	_value = uint_to_str (number);
+	if (entry) {
+		entry->set_text (_value);
+	}
+}
+
+void
+NumberMetadataField::update_value ()
+{
+	// Accpt only numbers
+	uint32_t number = str_to_uint (entry->get_text());
+	_value = uint_to_str (number);
+	entry->set_text (_value);
+}
+
+Gtk::Widget &
+NumberMetadataField::name_widget ()
+{
+	label = Gtk::manage (new Gtk::Label(_name + ':', Gtk::ALIGN_LEFT));
+	return *label;
+}
+
+Gtk::Widget &
+NumberMetadataField::value_widget ()
+{
+	value_label = Gtk::manage (new Gtk::Label(_value));
+	return *value_label;
+}
+
+Gtk::Widget &
+NumberMetadataField::edit_widget ()
+{
+	entry = Gtk::manage (new Gtk::Entry());
+	
+	entry->set_text (_value);
+	entry->set_width_chars (width);
+	entry->set_max_length (numbers);
+	entry->signal_changed().connect (sigc::mem_fun(*this, &NumberMetadataField::update_value));
+	
+	return *entry;
+}
+
+ustring
+NumberMetadataField::uint_to_str (uint32_t i) const
+{
+	std::ostringstream oss ("");
+	oss << i;
+	if (oss.str().compare("0")) {
+		return oss.str();
+	} else {
+		return "";
+	}
+}
+
+uint32_t
+NumberMetadataField::str_to_uint (ustring const & str) const
+{
+	ustring tmp (str);
+	ustring::size_type i;
+	while ((i = tmp.find_first_not_of("1234567890")) != ustring::npos) {
+		tmp.erase (i, 1);
+	}
+	
+	std::istringstream iss(tmp);
+	uint32_t result = 0;
+	iss >> result;
+	return result;
+}
+
+
+/* SessionMetadataSet */
+
+SessionMetadataSet::SessionMetadataSet (ustring const & name) :
+  name (name)
+{
+	session = 0;
+}
+
+void
+SessionMetadataSet::add_data_field (MetadataPtr field)
+{
+	list.push_back (field);
+}
+
+/* SessionMetadataSetEditable */
+
+SessionMetadataSetEditable::SessionMetadataSetEditable (ustring const & name) :
+  SessionMetadataSet (name)
+{
+	table.set_row_spacings (6);
+	table.set_col_spacings (12);
+}
+
+Gtk::Widget &
+SessionMetadataSetEditable::get_tab_widget ()
+{
+	tab_widget.set_text (name);
+	return tab_widget;
+}
+
+void
+SessionMetadataSetEditable::set_session (ARDOUR::Session * s)
+{
+	session = s;
+	
+	ARDOUR::SessionMetadata const & data = session->metadata();
+	
+	table.resize (list.size(), 2);
+	uint32_t row = 0;
+	MetadataPtr field;
+	for (DataList::const_iterator it = list.begin(); it != list.end(); ++it) {
+		field = *it;
+		field->load_data (data);
+		table.attach (field->name_widget(), 0, 1, row, row + 1);
+		table.attach (field->edit_widget(), 1, 2, row, row + 1);
+		++row;
+	}
+}
+
+void
+SessionMetadataSetEditable::save_data ()
+{
+	ARDOUR::SessionMetadata & data = session->metadata();
+	for (DataList::const_iterator it = list.begin(); it != list.end(); ++it) {
+		(*it)->save_data(data);
+	}
+}
+
+/* SessionMetadataSetImportable */
+
+SessionMetadataSetImportable::SessionMetadataSetImportable (ustring const & name) :
+  SessionMetadataSet (name),
+  session_list (list)
+{
+	tree = Gtk::ListStore::create (tree_cols);
+	tree_view.set_model (tree);
+	
+	Gtk::TreeView::Column * viewcol;
+	
+	// Add import column
+	Gtk::CellRendererToggle * import_render = Gtk::manage(new Gtk::CellRendererToggle());
+	import_render->signal_toggled().connect (sigc::mem_fun(*this, &SessionMetadataSetImportable::selection_changed));
+	viewcol = Gtk::manage(new Gtk::TreeView::Column (_("Import"), *import_render));
+	viewcol->add_attribute (import_render->property_active(), tree_cols.import);
+	tree_view.append_column (*viewcol);
+	
+	// Add field name column
+	tree_view.append_column(_("Field"), tree_cols.field);
+	
+	// Add values column with pango markup
+	Gtk::CellRendererText * values_render = Gtk::manage(new Gtk::CellRendererText());
+	viewcol = Gtk::manage(new Gtk::TreeView::Column (_("Values (current value on top)"), *values_render));
+	viewcol->add_attribute (values_render->property_markup(), tree_cols.values);
+	tree_view.append_column (*viewcol);
+	
+	select_all_check.signal_toggled().connect (sigc::mem_fun(*this, &SessionMetadataSetImportable::select_all));
+	
+	session = 0;
+}
+
+Gtk::Widget &
+SessionMetadataSetImportable::get_tab_widget ()
+{
+	tab_widget.set_text (name);
+	return tab_widget;
+}
+
+Gtk::Widget &
+SessionMetadataSetImportable::get_select_all_widget ()
+{
+	select_all_check.set_label (name);
+	return select_all_check;
+}
+
+void
+SessionMetadataSetImportable::load_extra_data (ARDOUR::SessionMetadata const & data)
+{
+	if (!session) {
+		std::cerr << "Programming error: no session set for SessionMetaDataSetImportable (in load_data)!" << std::endl;
+		return;
+	}
+	
+	ARDOUR::SessionMetadata & session_data = session->metadata();
+	
+	MetadataPtr session_field;
+	MetadataPtr import_field;
+	DataList::iterator session_it;
+	DataList::iterator import_it;
+	
+	// Copy list and load data to import
+	for (session_it = session_list.begin(); session_it != session_list.end(); ++session_it) {
+		session_field = *session_it;
+		session_field->load_data(session_data);
+		import_list.push_back (session_field->copy());
+	}
+
+	// Fill widget
+	session_it = session_list.begin();
+	import_it = import_list.begin();
+	while (session_it != session_list.end() && import_it != import_list.end()) { // _should_ be the same...
+		session_field = *session_it;
+		import_field = *import_it;
+		
+		import_field->load_data(data); // hasn't been done yet
+		
+		// Make string for values TODO get color from somewhere?
+		ustring values = "<span weight=\"ultralight\" color=\"#777\">" + session_field->value() + "</span>\n"
+				+ "<span weight=\"bold\">" + import_field->value() + "</span>";
+		
+		Gtk::TreeModel::iterator row_iter = tree->append();
+		Gtk::TreeModel::Row row = *row_iter;
+
+		row[tree_cols.field] = import_field->name();
+		row[tree_cols.values] = values;
+		row[tree_cols.import] = false;
+		row[tree_cols.data] = import_field;
+		
+		++session_it;
+		++import_it;
+	}
+}
+
+void
+SessionMetadataSetImportable::save_data ()
+{
+	if (!session) {
+		std::cerr << "Programming error: no session set for SessionMetaDataSetImportable (in import_data)!" << std::endl;
+		return;
+	}
+
+	ARDOUR::SessionMetadata & session_data = session->metadata();
+
+	Gtk::TreeModel::Children fields = tree->children();
+	Gtk::TreeModel::Children::iterator it;
+	for (it = fields.begin(); it != fields.end(); ++it) {
+		if ((*it)[tree_cols.import]) {
+			MetadataPtr field = (*it)[tree_cols.data];
+			field->save_data (session_data);
+		}
+	}
+}
+
+void
+SessionMetadataSetImportable::select_all ()
+{
+	select_all_check.set_inconsistent (false);
+	bool state = select_all_check.get_active();
+	
+	Gtk::TreeModel::Children fields = tree->children();
+	Gtk::TreeModel::Children::iterator it;
+	for (it = fields.begin(); it != fields.end(); ++it) {
+		(*it)[tree_cols.import] = state;
+	}
+}
+
+void
+SessionMetadataSetImportable::selection_changed (ustring const & path)
+{
+	select_all_check.set_inconsistent (true);
+	
+	Gtk::TreeModel::iterator iter = tree->get_iter (path);
+	bool value((*iter)[tree_cols.import]);
+	(*iter)[tree_cols.import] = !value;
+}
+
+/* SessionMetadataDialog */
+
+template <typename DataSet>
+SessionMetadataDialog<DataSet>::SessionMetadataDialog (ustring const & name) :
+  ArdourDialog (name, true)
+{
+	cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+	cancel_button->signal_clicked().connect (mem_fun(*this, &SessionMetadataDialog::end_dialog));
+	save_button = add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
+	save_button->signal_clicked().connect (mem_fun(*this, &SessionMetadataDialog::save_and_close));
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::init_data ()
+{
+	if (!session) {
+		std::cerr << "Programming error: no session set for SessionMetaDataDialog (in init_data)!" << std::endl;
+		return;
+	}
+	
+	init_track_data ();
+	init_album_data ();
+	init_people_data ();
+	
+	for (DataSetList::iterator it = data_list.begin(); it != data_list.end(); ++it) {
+		(*it)->set_session (session);
+		
+		notebook.append_page ((*it)->get_widget(), (*it)->get_tab_widget());
+	}
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::load_extra_data (ARDOUR::SessionMetadata const & data)
+{
+	for (DataSetList::iterator it = data_list.begin(); it != data_list.end(); ++it) {
+		(*it)->load_extra_data (data);
+	}
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::save_data ()
+{
+	for (DataSetList::iterator it = data_list.begin(); it != data_list.end(); ++it) {
+		(*it)->save_data ();
+	}
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::save_and_close ()
+{
+	save_data ();
+	end_dialog ();
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::end_dialog ()
+{
+	hide_all();
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::warn_user (ustring const & string)
+{
+	Gtk::MessageDialog msg (string, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
+	msg.run();
+}
+
+template <typename DataSet>
+boost::shared_ptr<std::list<Gtk::Widget *> >
+SessionMetadataDialog<DataSet>::get_custom_widgets (WidgetFunc f)
+{
+	WidgetListPtr list (new WidgetList);
+	for (DataSetList::iterator it = data_list.begin(); it != data_list.end(); ++it)
+	{
+		DataSet * set = dynamic_cast<DataSet *> (it->get());
+		list->push_back (& CALL_MEMBER_FN (*set, f) ());
+	}
+	
+	return list;
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::add_widget (Gtk::Widget & widget)
+{
+	get_vbox()->pack_start (widget, true, true, 0);
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::init_track_data ()
+{
+	DataSetPtr data_set (new DataSet (_("Track")));
+	data_list.push_back (data_set);
+
+	MetadataPtr ptr;
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::title, &ARDOUR::SessionMetadata::set_title, _("Title")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new NumberMetadataField (&ARDOUR::SessionMetadata::track_number, &ARDOUR::SessionMetadata::set_track_number, _("Track Number"), 3));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::subtitle, &ARDOUR::SessionMetadata::set_subtitle, _("Subtitle")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::grouping, &ARDOUR::SessionMetadata::set_grouping, _("Grouping")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::artist, &ARDOUR::SessionMetadata::set_artist, _("Artist")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::genre, &ARDOUR::SessionMetadata::set_genre, _("Genre")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::comment, &ARDOUR::SessionMetadata::set_comment, _("Comment")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::copyright, &ARDOUR::SessionMetadata::set_copyright, _("Copyright")));
+	data_set->add_data_field (ptr);
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::init_album_data ()
+{
+	DataSetPtr data_set (new DataSet (_("Album")));
+	data_list.push_back (data_set);
+	
+	MetadataPtr ptr;
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::album, &ARDOUR::SessionMetadata::set_album, _("Album")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new NumberMetadataField (&ARDOUR::SessionMetadata::year, &ARDOUR::SessionMetadata::set_year, _("Year"), 4));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::album_artist, &ARDOUR::SessionMetadata::set_album_artist, _("Album Artist")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new NumberMetadataField (&ARDOUR::SessionMetadata::total_tracks, &ARDOUR::SessionMetadata::set_total_tracks, _("Total Tracks"), 3));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::disc_subtitle, &ARDOUR::SessionMetadata::set_disc_subtitle, _("Disc Subtitle")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new NumberMetadataField (&ARDOUR::SessionMetadata::disc_number, &ARDOUR::SessionMetadata::set_disc_number, _("Disc Number"), 2));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new NumberMetadataField (&ARDOUR::SessionMetadata::total_discs, &ARDOUR::SessionMetadata::set_total_discs, _("Total Discs"), 2));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::compilation, &ARDOUR::SessionMetadata::set_compilation, _("Compilation")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::isrc, &ARDOUR::SessionMetadata::set_isrc, _("ISRC")));
+	data_set->add_data_field (ptr);
+}
+
+template <typename DataSet>
+void
+SessionMetadataDialog<DataSet>::init_people_data ()
+{
+	DataSetPtr data_set (new DataSet (_("People")));
+	data_list.push_back (data_set);
+
+	MetadataPtr ptr;
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::lyricist, &ARDOUR::SessionMetadata::set_lyricist, _("Lyricist")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::composer, &ARDOUR::SessionMetadata::set_composer, _("Composer")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::conductor, &ARDOUR::SessionMetadata::set_conductor, _("Conductor")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::remixer, &ARDOUR::SessionMetadata::set_remixer, _("Remixer")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::arranger, &ARDOUR::SessionMetadata::set_arranger, _("Arranger")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::engineer, &ARDOUR::SessionMetadata::set_engineer, _("Engineer")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::producer, &ARDOUR::SessionMetadata::set_producer, _("Producer")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::dj_mixer, &ARDOUR::SessionMetadata::set_dj_mixer, _("DJ Mixer")));
+	data_set->add_data_field (ptr);
+	
+	ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::mixer, &ARDOUR::SessionMetadata::set_mixer, _("Mixer")));
+	data_set->add_data_field (ptr);
+}
+
+/* SessionMetadataEditor */
+
+SessionMetadataEditor::SessionMetadataEditor () :
+  SessionMetadataDialog<SessionMetadataSetEditable> (_("Edit session metadata"))
+{
+
+}
+
+SessionMetadataEditor::~SessionMetadataEditor ()
+{
+	// Remove pages from notebook to get rid of gsignal runtime warnings
+	notebook.pages().clear();
+}
+
+void
+SessionMetadataEditor::run ()
+{	
+	init_data ();
+	init_gui();
+	
+	ArdourDialog::run();
+}
+
+void
+SessionMetadataEditor::init_gui ()
+{
+	add_widget (notebook);
+	
+	show_all();
+}
+
+/* SessionMetadataImporter */
+
+SessionMetadataImporter::SessionMetadataImporter () :
+  SessionMetadataDialog<SessionMetadataSetImportable> (_("Import session metadata"))
+{
+
+}
+
+SessionMetadataImporter::~SessionMetadataImporter ()
+{
+	// Remove pages from notebook to get rid of gsignal runtime warnings
+	notebook.pages().clear();
+}
+
+void
+SessionMetadataImporter::run ()
+{	
+	if (!session) {
+		std::cerr << "Programming error: no session set for SessionMetaDataImporter (in run)!" << std::endl;
+		return;
+	}
+
+	/* Open session file selector */
+	
+	Gtk::FileChooserDialog session_selector(_("Choose session to import metadata from"), Gtk::FILE_CHOOSER_ACTION_OPEN);
+	session_selector.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+	session_selector.add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
+	session_selector.set_default_response(Gtk::RESPONSE_ACCEPT);
+
+	Gtk::FileFilter session_filter;
+	session_filter.add_pattern ("*.ardour");
+	session_filter.set_name (_("Ardour sessions"));
+	session_selector.add_filter (session_filter);
+	session_selector.set_filter (session_filter);
+
+	int response = session_selector.run();
+	session_selector.hide ();
+
+	switch (response) {
+	case Gtk::RESPONSE_ACCEPT:
+		break;
+	default:
+		return;
+	}
+
+	string session_path = session_selector.get_filename();
+	string path, name;
+	bool isnew;
+
+	if (session_path.length() > 0) {
+		if (ARDOUR::find_session (session_path, path, name, isnew) != 0) {
+			return;
+		}
+	} else {
+		return;
+	}
+	
+	/* We have a session: load the data and run dialog */
+	
+	string filename = Glib::build_filename (path, name + ".ardour");
+	XMLTree session_tree;
+	if (!session_tree.read (filename)) {
+		warn_user (_("A proper ardour session file was not selected!"));
+		return;
+	}
+	
+	XMLNode * node = session_tree.root()->child ("Metadata");
+	
+	if (!node) {
+		warn_user (_("The session file didn't contain metadata!\nMaybe this is an old session format?"));
+		return;
+	}
+	
+	ARDOUR::SessionMetadata data;
+	data.set_state (*node);
+	
+	init_data ();
+	load_extra_data (data);
+	init_gui();
+	
+	ArdourDialog::run();
+}
+
+void
+SessionMetadataImporter::init_gui ()
+{
+	// Select all from -widget
+	add_widget (selection_hbox);
+	selection_label.set_text (_("Import all from:"));
+	selection_hbox.pack_start (selection_label, false, false);
+	
+	WidgetListPtr list = get_custom_widgets (&SessionMetadataSetImportable::get_select_all_widget);
+	for (WidgetList::iterator it = list->begin(); it != list->end(); ++it) {
+		selection_hbox.pack_start (**it, false, false, 6);
+	}
+
+	add_widget (notebook);
+	
+	show_all();
+}