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livetrax/gtk2_ardour/export_preset_selector.cc

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/*
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 "export_preset_selector.h"
#include "ardour/export_preset.h"
#include "pbd/i18n.h"
ExportPresetSelector::ExportPresetSelector () :
label (_("Preset"), Gtk::ALIGN_LEFT),
save_button (Gtk::Stock::SAVE),
remove_button (Gtk::Stock::REMOVE),
new_button (Gtk::Stock::NEW)
{
list = Gtk::ListStore::create (cols);
list->set_sort_column (cols.label, Gtk::SORT_ASCENDING);
entry.set_model (list);
entry.set_text_column (cols.label);
pack_start (label, false, false, 0);
pack_start (entry, true, true, 6);
pack_start (save_button, false, false, 0);
pack_start (remove_button, false, false, 6);
pack_start (new_button, false, false, 0);
save_button.set_sensitive (false);
remove_button.set_sensitive (false);
new_button.set_sensitive (false);
select_connection = entry.signal_changed().connect (sigc::mem_fun (*this, &ExportPresetSelector::update_selection));
save_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::save_current));
new_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::create_new));
remove_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::remove_current));
show_all_children ();
}
void
ExportPresetSelector::set_manager (boost::shared_ptr<ARDOUR::ExportProfileManager> manager)
{
profile_manager = manager;
sync_with_manager ();
}
void
ExportPresetSelector::sync_with_manager ()
{
list->clear();
PresetList const & presets = profile_manager->get_presets();
Gtk::ListStore::iterator tree_it;
for (PresetList::const_iterator it = presets.begin(); it != presets.end(); ++it) {
tree_it = list->append();
tree_it->set_value (cols.preset, *it);
tree_it->set_value (cols.label, std::string ((*it)->name()));
if (*it == current) {
select_connection.block (true);
entry.set_active (tree_it);
select_connection.block (false);
}
}
}
void
ExportPresetSelector::update_selection ()
{
Gtk::ListStore::iterator it = entry.get_active ();
std::string text = entry.get_entry()->get_text();
bool preset_name_exists = false;
for (PresetList::const_iterator it = profile_manager->get_presets().begin(); it != profile_manager->get_presets().end(); ++it) {
if (!(*it)->name().compare (text)) { preset_name_exists = true; }
}
if (list->iter_is_valid (it)) {
previous = current = it->get_value (cols.preset);
if (!profile_manager->load_preset (current)) {
Gtk::MessageDialog dialog (_("The selected preset did not load successfully!\nPerhaps it references a format that has been removed?"),
false, Gtk::MESSAGE_WARNING);
dialog.run ();
}
sync_with_manager ();
CriticalSelectionChanged();
/* Make an edit, so that signal changed will be emitted on re-selection */
select_connection.block (true);
entry.get_entry()->set_text ("");
entry.get_entry()->set_text (text);
select_connection.block (false);
} else { // Text has been edited, this should not make any changes in the profile manager
if (previous && !text.compare (previous->name())) {
current = previous;
} else {
current.reset ();
}
}
save_button.set_sensitive (current != 0);
remove_button.set_sensitive (current != 0);
new_button.set_sensitive (!current && !text.empty() && !preset_name_exists);
}
void
ExportPresetSelector::create_new ()
{
if (!profile_manager) { return; }
previous = current = profile_manager->new_preset (entry.get_entry()->get_text());
sync_with_manager ();
update_selection (); // Update preset widget states
}
void
ExportPresetSelector::save_current ()
{
if (!profile_manager) { return; }
previous = current = profile_manager->save_preset (entry.get_entry()->get_text());
sync_with_manager ();
update_selection (); // Update preset widget states
}
void
ExportPresetSelector::remove_current ()
{
if (!profile_manager) { return; }
Gtk::MessageDialog dialog (_("Do you really want to remove this preset?"),
false,
Gtk::MESSAGE_QUESTION,
Gtk::BUTTONS_YES_NO);
if (Gtk::RESPONSE_YES != dialog.run ()) {
/* User has selected "no" or closed the dialog, better
* abort
*/
return;
}
profile_manager->remove_preset();
entry.get_entry()->set_text ("");
sync_with_manager ();
}