libs/ardour/export_preset.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 "ardour/export_preset.h"
  22
  23 #include "ardour/session.h"
  24
  25 using namespace std;
  26 using namespace ARDOUR;
  27
  28 ExportPreset::ExportPreset (string filename, Session & s) :
  29   session (s), global (filename), local (0)
  30 {
  31         XMLNode * root;
  32         if ((root = global.root())) {
  33                 XMLProperty * prop;
  34                 if ((prop = root->property ("id"))) {
  35                         set_id (prop->value());
  36                 }
  37                 if ((prop = root->property ("name"))) {
  38                         set_name (prop->value());
  39                 }
  40
  41                 XMLNode * instant_xml = get_instant_xml ();
  42                 if (instant_xml) {
  43                         XMLNode * instant_copy = new XMLNode (*instant_xml);
  44                         set_local_state (*instant_copy);
  45                 }
  46         }
  47 }
  48
  49 ExportPreset::~ExportPreset ()
  50 {
  51         delete local;
  52 }
  53
  54 void
  55 ExportPreset::set_name (string const & name)
  56 {
  57         _name = name;
  58
  59         XMLNode * node;
  60         if ((node = global.root())) {
  61                 node->add_property ("name", name);
  62         }
  63         if (local) {
  64                 local->add_property ("name", name);
  65         }
  66 }
  67
  68 void
  69 ExportPreset::set_id (string const & id)
  70 {
  71         _id = id;
  72
  73         XMLNode * node;
  74         if ((node = global.root())) {
  75                 node->add_property ("id", id);
  76         }
  77         if (local) {
  78                 local->add_property ("id", id);
  79         }
  80 }
  81
  82 void
  83 ExportPreset::set_global_state (XMLNode & state)
  84 {
  85         delete global.root ();
  86         global.set_root (&state);
  87
  88         set_id (_id.to_s());
  89         set_name (_name);
  90 }
  91
  92 void
  93 ExportPreset::set_local_state (XMLNode & state)
  94 {
  95         delete local;
  96         local = &state;
  97
  98         set_id (_id.to_s());
  99         set_name (_name);
 100 }
 101
 102 void
 103 ExportPreset::save (std::string const & filename)
 104 {
 105         save_instant_xml ();
 106         if (global.root()) {
 107                 global.set_filename (filename);
 108                 global.write ();
 109         }
 110 }
 111
 112 void
 113 ExportPreset::remove_local () const
 114 {
 115         remove_instant_xml ();
 116 }
 117
 118 XMLNode *
 119 ExportPreset::get_instant_xml () const
 120 {
 121         XMLNode * instant_xml;
 122
 123         if ((instant_xml = session.instant_xml ("ExportPresets"))) {
 124                 XMLNodeList children = instant_xml->children ("ExportPreset");
 125                 for (XMLNodeList::iterator it = children.begin(); it != children.end(); ++it) {
 126                         XMLProperty * prop;
 127                         if ((prop = (*it)->property ("id")) && _id == PBD::UUID(prop->value())) {
 128                                 return *it;
 129                         }
 130                 }
 131         }
 132
 133         return 0;
 134 }
 135
 136 void
 137 ExportPreset::save_instant_xml () const
 138 {
 139         if (!local) { return; }
 140
 141         /* First remove old, then add new */
 142
 143         remove_instant_xml ();
 144
 145         XMLNode * instant_xml;
 146         if ((instant_xml = session.instant_xml ("ExportPresets"))) {
 147                 instant_xml->add_child_copy (*local);
 148         } else {
 149                 instant_xml = new XMLNode ("ExportPresets");
 150                 instant_xml->add_child_copy (*local);
 151                 session.add_instant_xml (*instant_xml, false);
 152         }
 153 }
 154
 155 void
 156 ExportPreset::remove_instant_xml () const
 157 {
 158         XMLNode * instant_xml;
 159         if ((instant_xml = session.instant_xml ("ExportPresets"))) {
 160                 instant_xml->remove_nodes_and_delete ("id", _id.to_s());
 161         }
 162 }