Move Diskstream ownership to Track, so that Session no longer holds lists of Diskstre...
[ardour.git] / gtk2_ardour / playlist_selector.cc
1 /*
2     Copyright (C) 2004 Paul Davis
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18
19 */
20
21 #include <gtkmm/button.h>
22
23 #include "ardour/session_playlist.h"
24 #include "ardour/audio_diskstream.h"
25 #include "ardour/playlist.h"
26 #include "ardour/audio_track.h"
27 #include "ardour/audioplaylist.h"
28 #include "ardour/configuration.h"
29
30 #include <gtkmm2ext/gtk_ui.h>
31
32 #include "playlist_selector.h"
33 #include "route_ui.h"
34 #include "gui_thread.h"
35
36 #include "i18n.h"
37
38 using namespace std;
39 using namespace Gtk;
40 using namespace Gtkmm2ext;
41 using namespace ARDOUR;
42 using namespace PBD;
43
44 PlaylistSelector::PlaylistSelector ()
45         : ArdourDialog ("playlist selector")
46 {
47         rui = 0;
48
49         set_position (WIN_POS_MOUSE);
50         set_name ("PlaylistSelectorWindow");
51         set_modal(true);
52         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
53         set_size_request (300, 200);
54
55         set_title (_("Playlists"));
56
57         model = TreeStore::create (columns);
58         tree.set_model (model);
59         tree.append_column (_("Playlists grouped by track"), columns.text);
60
61         scroller.add (tree);
62         scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
63
64         get_vbox()->set_border_width (6);
65         get_vbox()->set_spacing (12);
66
67         get_vbox()->pack_start (scroller);
68
69         Button* b = add_button (_("close"), RESPONSE_CANCEL);
70         b->signal_clicked().connect (sigc::mem_fun(*this, &PlaylistSelector::close_button_click));
71
72 }
73
74 PlaylistSelector::~PlaylistSelector ()
75 {
76         clear_map ();
77 }
78
79 void
80 PlaylistSelector::clear_map ()
81 {
82         for (TrackPlaylistMap::iterator x = trpl_map.begin(); x != trpl_map.end(); ++x) {
83                 delete x->second;
84         }
85         trpl_map.clear ();
86 }
87
88 bool
89 PlaylistSelector::on_unmap_event (GdkEventAny* ev)
90 {
91         clear_map ();
92         if (model) {
93                 model->clear ();
94         }
95         return Dialog::on_unmap_event (ev);
96 }
97
98 void
99 PlaylistSelector::show_for (RouteUI* ruix)
100 {
101         vector<const char*> item;
102         string str;
103
104         rui = ruix;
105
106         set_title (string_compose (_("Playlist for %1"), rui->route()->name()));
107
108         clear_map ();
109         select_connection.disconnect ();
110
111         model->clear ();
112
113         _session->playlists->foreach (this, &PlaylistSelector::add_playlist_to_map);
114
115         boost::shared_ptr<Track> this_track = rui->track();
116
117         TreeModel::Row others = *(model->append ());
118
119         others[columns.text] = _("Other tracks");
120         boost::shared_ptr<Playlist> proxy = others[columns.playlist];
121         proxy.reset ();
122
123         for (TrackPlaylistMap::iterator x = trpl_map.begin(); x != trpl_map.end(); ++x) {
124
125                 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (_session->route_by_id (x->first));
126
127                 if (tr == 0) {
128                         continue;
129                 }
130
131                 /* add a node for the track */
132
133                 string nodename;
134
135                 if (tr->name().empty()) {
136                         nodename = _("unassigned");
137                 } else {
138                         nodename = tr->name().c_str();
139                 }
140
141                 TreeModel::Row row;
142                 TreeModel::Row* selected_row = 0;
143                 TreePath this_path;
144
145                 if (tr == this_track) {
146                         row = *(model->prepend());
147                         row[columns.text] = nodename;
148                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
149                         proxy.reset ();
150                 } else {
151                         row = *(model->append (others.children()));
152                         row[columns.text] = nodename;
153                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
154                         proxy.reset ();
155                 }
156
157                 /* Now insert all the playlists for this diskstream/track in a subtree */
158
159                 list<boost::shared_ptr<Playlist> >* pls = x->second;
160
161                 for (list<boost::shared_ptr<Playlist> >::iterator p = pls->begin(); p != pls->end(); ++p) {
162
163                         TreeModel::Row child_row;
164
165                         child_row = *(model->append (row.children()));
166                         child_row[columns.text] = (*p)->name();
167                         child_row[columns.playlist] = *p;
168
169                         if (*p == this_track->playlist()) {
170                                 selected_row = &child_row;
171                         }
172                 }
173
174                 if (selected_row != 0) {
175                         tree.get_selection()->select (*selected_row);
176                 }
177         }
178
179         // Add unassigned (imported) playlists to the list
180         list<boost::shared_ptr<Playlist> > unassigned;
181         _session->playlists->unassigned (unassigned);
182
183         TreeModel::Row row;
184         TreeModel::Row* selected_row = 0;
185         TreePath this_path;
186
187         row = *(model->append (others.children()));
188         row[columns.text] = _("Imported");
189         proxy = row[columns.playlist];
190         proxy.reset ();
191
192         for (list<boost::shared_ptr<Playlist> >::iterator p = unassigned.begin(); p != unassigned.end(); ++p) {
193                 TreeModel::Row child_row;
194
195                 child_row = *(model->append (row.children()));
196                 child_row[columns.text] = (*p)->name();
197                 child_row[columns.playlist] = *p;
198
199                 if (*p == this_track->playlist()) {
200                         selected_row = &child_row;
201                 }
202
203                 if (selected_row != 0) {
204                         tree.get_selection()->select (*selected_row);
205                 }
206         }
207
208         show_all ();
209         select_connection = tree.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &PlaylistSelector::selection_changed));
210 }
211
212 void
213 PlaylistSelector::add_playlist_to_map (boost::shared_ptr<Playlist> pl)
214 {
215         boost::shared_ptr<AudioPlaylist> apl;
216
217         if (pl->frozen()) {
218                 return;
219         }
220
221         if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
222                 return;
223         }
224
225         TrackPlaylistMap::iterator x;
226
227         if ((x = trpl_map.find (apl->get_orig_diskstream_id())) == trpl_map.end()) {
228                 x = trpl_map.insert (trpl_map.end(), make_pair (apl->get_orig_diskstream_id(), new list<boost::shared_ptr<Playlist> >));
229         }
230
231         x->second->push_back (pl);
232 }
233
234 void
235 PlaylistSelector::close_button_click ()
236 {
237         rui = 0;
238         hide ();
239 }
240
241 void
242 PlaylistSelector::selection_changed ()
243 {
244         boost::shared_ptr<Playlist> playlist;
245
246         TreeModel::iterator iter = tree.get_selection()->get_selected();
247
248         if (!iter || rui == 0) {
249                 /* nothing selected */
250                 return;
251         }
252
253         if ((playlist = ((*iter)[columns.playlist])) != 0) {
254
255                 boost::shared_ptr<AudioTrack> at;
256                 boost::shared_ptr<AudioPlaylist> apl;
257
258                 if ((at = rui->audio_track()) == 0) {
259                         /* eh? */
260                         return;
261                 }
262
263                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (playlist)) == 0) {
264                         /* eh? */
265                         return;
266                 }
267
268                 at->use_playlist (apl);
269
270                 hide ();
271         }
272
273 }
274