gtk2_ardour/export_preset_selector.cc

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Sakari Bergen
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include "export_preset_selector.h"
  22
  23 #include "ardour/export_preset.h"
  24
  25 #include "i18n.h"
  26
  27 ExportPresetSelector::ExportPresetSelector () :
  28   label (_("Preset"), Gtk::ALIGN_LEFT),
  29   save_button (Gtk::Stock::SAVE),
  30   remove_button (Gtk::Stock::REMOVE),
  31   new_button (Gtk::Stock::NEW)
  32 {
  33         list = Gtk::ListStore::create (cols);
  34         entry.set_model (list);
  35         entry.set_text_column (cols.label);
  36
  37         pack_start (label, false, false, 0);
  38         pack_start (entry, true, true, 6);
  39         pack_start (save_button, false, false, 0);
  40         pack_start (remove_button, false, false, 6);
  41         pack_start (new_button, false, false, 0);
  42
  43         entry.set_name ("PaddedButton");
  44         save_button.set_name ("PaddedButton");
  45         remove_button.set_name ("PaddedButton");
  46         new_button.set_name ("PaddedButton");
  47
  48         save_button.set_sensitive (false);
  49         remove_button.set_sensitive (false);
  50         new_button.set_sensitive (false);
  51
  52         select_connection = entry.signal_changed().connect (sigc::mem_fun (*this, &ExportPresetSelector::update_selection));
  53         save_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::save_current));
  54         new_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::save_current));
  55         remove_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::remove_current));
  56
  57         show_all_children ();
  58 }
  59
  60 void
  61 ExportPresetSelector::set_manager (boost::shared_ptr<ARDOUR::ExportProfileManager> manager)
  62 {
  63         profile_manager = manager;
  64         sync_with_manager ();
  65 }
  66
  67 void
  68 ExportPresetSelector::sync_with_manager ()
  69 {
  70         list->clear();
  71
  72         PresetList const & presets = profile_manager->get_presets();
  73         Gtk::ListStore::iterator tree_it;
  74
  75         for (PresetList::const_iterator it = presets.begin(); it != presets.end(); ++it) {
  76                 tree_it = list->append();
  77                 tree_it->set_value (cols.preset, *it);
  78                 tree_it->set_value (cols.label, std::string ((*it)->name()));
  79
  80                 if (*it == current) {
  81                         select_connection.block (true);
  82                         entry.set_active (tree_it);
  83                         select_connection.block (false);
  84                 }
  85         }
  86 }
  87
  88 void
  89 ExportPresetSelector::update_selection ()
  90 {
  91         Gtk::ListStore::iterator it = entry.get_active ();
  92         std::string text = entry.get_entry()->get_text();
  93         bool preset_name_exists = false;
  94
  95         for (PresetList::const_iterator it = profile_manager->get_presets().begin(); it != profile_manager->get_presets().end(); ++it) {
  96                 if (!(*it)->name().compare (text)) { preset_name_exists = true; }
  97         }
  98
  99         if (list->iter_is_valid (it)) {
 100
 101                 previous = current = it->get_value (cols.preset);
 102                 if (!profile_manager->load_preset (current)) {
 103                         Gtk::MessageDialog dialog (_("The selected preset did not load successfully!\nPerhaps it references a format that has been removed?"),
 104                                                    false, Gtk::MESSAGE_WARNING);
 105                         dialog.run ();
 106                 }
 107                 sync_with_manager ();
 108                 CriticalSelectionChanged();
 109
 110                 /* Make an edit, so that signal changed will be emitted on re-selection */
 111
 112                 select_connection.block (true);
 113                 entry.get_entry()->set_text ("");
 114                 entry.get_entry()->set_text (text);
 115                 select_connection.block (false);
 116
 117         } else { // Text has been edited, this should not make any changes in the profile manager
 118                 if (previous && !text.compare (previous->name())) {
 119                         current = previous;
 120                 } else {
 121                         current.reset ();
 122                 }
 123         }
 124
 125         save_button.set_sensitive (current);
 126         remove_button.set_sensitive (current);
 127         new_button.set_sensitive (!current && !text.empty() && !preset_name_exists);
 128 }
 129
 130 void
 131 ExportPresetSelector::save_current ()
 132 {
 133         if (!profile_manager) { return; }
 134
 135         previous = current = profile_manager->save_preset (entry.get_entry()->get_text());
 136         sync_with_manager ();
 137         update_selection (); // Update preset widget states
 138 }
 139
 140 void
 141 ExportPresetSelector::remove_current ()
 142 {
 143         if (!profile_manager) { return; }
 144
 145         profile_manager->remove_preset();
 146         entry.get_entry()->set_text ("");
 147         sync_with_manager ();
 148 }