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         list->set_sort_column (cols.label, Gtk::SORT_ASCENDING);
  35         entry.set_model (list);
  36         entry.set_text_column (cols.label);
  37
  38         pack_start (label, false, false, 0);
  39         pack_start (entry, true, true, 6);
  40         pack_start (save_button, false, false, 0);
  41         pack_start (remove_button, false, false, 6);
  42         pack_start (new_button, false, false, 0);
  43
  44         entry.set_name ("PaddedButton");
  45         save_button.set_name ("PaddedButton");
  46         remove_button.set_name ("PaddedButton");
  47         new_button.set_name ("PaddedButton");
  48
  49         save_button.set_sensitive (false);
  50         remove_button.set_sensitive (false);
  51         new_button.set_sensitive (false);
  52
  53         select_connection = entry.signal_changed().connect (sigc::mem_fun (*this, &ExportPresetSelector::update_selection));
  54         save_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::save_current));
  55         new_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::create_new));
  56         remove_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportPresetSelector::remove_current));
  57
  58         show_all_children ();
  59 }
  60
  61 void
  62 ExportPresetSelector::set_manager (boost::shared_ptr<ARDOUR::ExportProfileManager> manager)
  63 {
  64         profile_manager = manager;
  65         sync_with_manager ();
  66 }
  67
  68 void
  69 ExportPresetSelector::sync_with_manager ()
  70 {
  71         list->clear();
  72
  73         PresetList const & presets = profile_manager->get_presets();
  74         Gtk::ListStore::iterator tree_it;
  75
  76         for (PresetList::const_iterator it = presets.begin(); it != presets.end(); ++it) {
  77                 tree_it = list->append();
  78                 tree_it->set_value (cols.preset, *it);
  79                 tree_it->set_value (cols.label, std::string ((*it)->name()));
  80
  81                 if (*it == current) {
  82                         select_connection.block (true);
  83                         entry.set_active (tree_it);
  84                         select_connection.block (false);
  85                 }
  86         }
  87 }
  88
  89 void
  90 ExportPresetSelector::update_selection ()
  91 {
  92         Gtk::ListStore::iterator it = entry.get_active ();
  93         std::string text = entry.get_entry()->get_text();
  94         bool preset_name_exists = false;
  95
  96         for (PresetList::const_iterator it = profile_manager->get_presets().begin(); it != profile_manager->get_presets().end(); ++it) {
  97                 if (!(*it)->name().compare (text)) { preset_name_exists = true; }
  98         }
  99
 100         if (list->iter_is_valid (it)) {
 101
 102                 previous = current = it->get_value (cols.preset);
 103                 if (!profile_manager->load_preset (current)) {
 104                         Gtk::MessageDialog dialog (_("The selected preset did not load successfully!\nPerhaps it references a format that has been removed?"),
 105                                                    false, Gtk::MESSAGE_WARNING);
 106                         dialog.run ();
 107                 }
 108                 sync_with_manager ();
 109                 CriticalSelectionChanged();
 110
 111                 /* Make an edit, so that signal changed will be emitted on re-selection */
 112
 113                 select_connection.block (true);
 114                 entry.get_entry()->set_text ("");
 115                 entry.get_entry()->set_text (text);
 116                 select_connection.block (false);
 117
 118         } else { // Text has been edited, this should not make any changes in the profile manager
 119                 if (previous && !text.compare (previous->name())) {
 120                         current = previous;
 121                 } else {
 122                         current.reset ();
 123                 }
 124         }
 125
 126         save_button.set_sensitive (current);
 127         remove_button.set_sensitive (current);
 128         new_button.set_sensitive (!current && !text.empty() && !preset_name_exists);
 129 }
 130
 131 void
 132 ExportPresetSelector::create_new ()
 133 {
 134         if (!profile_manager) { return; }
 135
 136         previous = current = profile_manager->new_preset (entry.get_entry()->get_text());
 137         sync_with_manager ();
 138         update_selection (); // Update preset widget states
 139 }
 140
 141 void
 142 ExportPresetSelector::save_current ()
 143 {
 144         if (!profile_manager) { return; }
 145
 146         previous = current = profile_manager->save_preset (entry.get_entry()->get_text());
 147         sync_with_manager ();
 148         update_selection (); // Update preset widget states
 149 }
 150
 151 void
 152 ExportPresetSelector::remove_current ()
 153 {
 154         if (!profile_manager) { return; }
 155
 156         profile_manager->remove_preset();
 157         entry.get_entry()->set_text ("");
 158         sync_with_manager ();
 159 }