1 /**
2 * Copyright (C) 2002-2004 Scott Wheeler <wheeler@kde.org>
3 * Copyright (C) 2021 Michael Pyne <mpyne@kde.org>
4 *
5 * This program is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
8 * version.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12 * PARTICULAR PURPOSE. See the GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "playlistbox.h"
19
20 #include <kmessagebox.h>
21 #include <kactioncollection.h>
22 #include <ktoggleaction.h>
23 #include <kselectaction.h>
24 #include <kconfiggroup.h>
25 #include <KSharedConfig>
26
27 #include <QAction>
28 #include <QIcon>
29 #include <QMenu>
30 #include <QPainter>
31 #include <QTimer>
32 #include <QDragLeaveEvent>
33 #include <QList>
34 #include <QDragMoveEvent>
35 #include <QKeyEvent>
36 #include <QDropEvent>
37 #include <QMouseEvent>
38 #include <QFileInfo>
39 #include <QTime>
40 #include <QApplication>
41 #include <QClipboard>
42 #include <QHeaderView>
43 #include <QElapsedTimer>
44
45 #include "actioncollection.h"
46 #include "cache.h"
47 #include "collectionlist.h"
48 #include "dbuscollectionproxy.h"
49 #include "dynamicplaylist.h"
50 #include "historyplaylist.h"
51 #include "iconsupport.h"
52 #include "juk_debug.h"
53 #include "playermanager.h"
54 #include "playlist.h"
55 #include "searchplaylist.h"
56 #include "tagtransactionmanager.h"
57 #include "treeviewitemplaylist.h"
58 #include "upcomingplaylist.h"
59 #include "viewmode.h"
60
61 using namespace ActionCollection; // ""_act and others
62 using namespace IconSupport; // ""_icon
63
64 ////////////////////////////////////////////////////////////////////////////////
65 // PlaylistBox public methods
66 ////////////////////////////////////////////////////////////////////////////////
67
PlaylistBox(PlayerManager * player,QWidget * parent,QStackedWidget * playlistStack)68 PlaylistBox::PlaylistBox(PlayerManager *player, QWidget *parent, QStackedWidget *playlistStack)
69 : QTreeWidget(parent)
70 , PlaylistCollection(player, playlistStack)
71 {
72 readConfig();
73 setHeaderLabel("Playlists");
74 setRootIsDecorated(false);
75 setContextMenuPolicy(Qt::CustomContextMenu);
76 viewport()->setAcceptDrops(true);
77 setDragDropMode(QAbstractItemView::DropOnly);
78 setDropIndicatorShown(true);
79
80 setColumnCount(2); // Use fake column for sorting
81 setColumnHidden(1, true);
82 setSortingEnabled(true);
83 sortByColumn(1, Qt::AscendingOrder);
84
85 header()->blockSignals(true);
86 header()->hide();
87 header()->blockSignals(false);
88
89 setSelectionMode(QAbstractItemView::ExtendedSelection);
90
91 m_contextMenu = new QMenu(this);
92
93 m_contextMenu->addAction(action("file_new"));
94 m_contextMenu->addAction(action("renamePlaylist"));
95 m_contextMenu->addAction(action("editSearch"));
96 m_contextMenu->addAction(action("duplicatePlaylist"));
97 m_contextMenu->addAction(action("reloadPlaylist"));
98 m_contextMenu->addAction(action("deleteItemPlaylist"));
99 m_contextMenu->addAction(action("file_save"));
100 m_contextMenu->addAction(action("file_save_as"));
101
102 m_contextMenu->addSeparator();
103
104 // add the view modes stuff
105
106 KSelectAction *viewModeAction =
107 new KSelectAction("view-choose"_icon, i18n("View Modes"), ActionCollection::actions());
108 ActionCollection::actions()->addAction("viewModeMenu", viewModeAction);
109
110 ViewMode* viewmode = new ViewMode(this);
111 m_viewModes.append(viewmode);
112 viewModeAction->addAction("view-list-details"_icon, viewmode->name());
113
114 CompactViewMode* compactviewmode = new CompactViewMode(this);
115 m_viewModes.append(compactviewmode);
116 viewModeAction->addAction("view-list-text"_icon, compactviewmode->name());
117
118 // TODO: Fix the broken tree view mode
119 #if 0
120 TreeViewMode* treeviewmode = new TreeViewMode(this);
121 m_viewModes.append(treeviewmode);
122 viewModeAction->addAction("view-list-tree"_icon, treeviewmode->name());
123 #endif
124
125 CollectionList::initialize(this);
126
127 viewModeAction->setCurrentItem(m_viewModeIndex);
128 m_viewModes[m_viewModeIndex]->setShown(true);
129
130 raise(CollectionList::instance());
131
132 m_contextMenu->addAction(viewModeAction);
133 connect(viewModeAction, &QAction::triggered,
134 this, &PlaylistBox::slotSetViewMode);
135
136 connect(this, &PlaylistBox::itemSelectionChanged,
137 this, &PlaylistBox::slotPlaylistChanged);
138
139 connect(this, &PlaylistBox::itemDoubleClicked,
140 this, &PlaylistBox::slotDoubleClicked);
141
142 connect(this, &PlaylistBox::customContextMenuRequested,
143 this, &PlaylistBox::slotShowContextMenu);
144
145 connect(this, &PlaylistBox::signalPlayFile,
146 player, qOverload<const FileHandle &>(&PlayerManager::play));
147
148 const auto *tagManager = TagTransactionManager::instance();
149 connect(tagManager, &TagTransactionManager::signalAboutToModifyTags,
150 this, &PlaylistBox::slotFreezePlaylists);
151 connect(tagManager, &TagTransactionManager::signalDoneModifyingTags,
152 this, &PlaylistBox::slotUnfreezePlaylists);
153
154 setupUpcomingPlaylist();
155
156 const auto *collectionList = CollectionList::instance();
157 connect(collectionList, &CollectionList::signalNewTag,
158 this, &PlaylistBox::slotAddItem);
159 connect(collectionList, &CollectionList::signalRemovedTag,
160 this, &PlaylistBox::slotRemoveItem);
161 connect(collectionList, &CollectionList::cachedItemsLoaded,
162 this, &PlaylistBox::slotLoadCachedPlaylists);
163
164 KToggleAction *historyAction =
165 new KToggleAction("view-history"_icon, i18n("Show &History"), ActionCollection::actions());
166 ActionCollection::actions()->addAction("showHistory", historyAction);
167 connect(historyAction, &KToggleAction::triggered,
168 this, &PlaylistBox::slotSetHistoryPlaylistEnabled);
169
170 m_showTimer = new QTimer(this);
171 m_showTimer->setSingleShot(true);
172 m_showTimer->setInterval(500);
173 connect(m_showTimer, &QTimer::timeout,
174 this, &PlaylistBox::slotShowDropTarget);
175
176 // hook up to the D-Bus
177 (void) new DBusCollectionProxy(this, this);
178 }
179
~PlaylistBox()180 PlaylistBox::~PlaylistBox()
181 {
182 PlaylistList l;
183 CollectionList *collection = CollectionList::instance();
184 for(QTreeWidgetItemIterator it(topLevelItem(0)); *it; ++it) {
185 Item *item = static_cast<Item *>(*it);
186 if(item->playlist() && item->playlist() != collection)
187 l.append(item->playlist());
188 }
189
190 Cache::savePlaylists(l);
191 saveConfig();
192
193 // Some view modes use event filters onto sibling widgets which may be
194 // destroyed before the view mode.
195 // Manually delete the view modes instead.
196 qDeleteAll(m_viewModes);
197 m_viewModes.clear();
198 }
199
raise(Playlist * playlist)200 void PlaylistBox::raise(Playlist *playlist)
201 {
202 if(!playlist)
203 return;
204
205 Item *i = m_playlistDict.value(playlist, 0);
206
207 if(i) {
208 clearSelection();
209 setCurrentItem(i);
210
211 setSingleItem(i);
212 scrollToItem(currentItem());
213 }
214 else
215 PlaylistCollection::raise(playlist);
216
217 slotPlaylistChanged();
218 }
219
duplicate()220 void PlaylistBox::duplicate()
221 {
222 Item *item = static_cast<Item *>(currentItem());
223 if(!item || !item->playlist())
224 return;
225
226 QString name = playlistNameDialog(i18nc("verb, copy the playlist", "Duplicate"), item->text(0));
227
228 if(name.isNull())
229 return;
230
231 Playlist *p = new Playlist(this, name);
232 p->createItems(item->playlist()->items());
233 }
234
scanFolders()235 void PlaylistBox::scanFolders()
236 {
237 PlaylistCollection::scanFolders();
238 emit startupComplete();
239 }
240
requestPlaybackFor(const FileHandle & file)241 bool PlaylistBox::requestPlaybackFor(const FileHandle &file)
242 {
243 emit signalPlayFile(file);
244 return true;
245 }
246
247 ////////////////////////////////////////////////////////////////////////////////
248 // PlaylistBox public slots
249 ////////////////////////////////////////////////////////////////////////////////
250
paste()251 void PlaylistBox::paste()
252 {
253 // TODO: Reimplement
254 }
255
256 ////////////////////////////////////////////////////////////////////////////////
257 // PlaylistBox protected methods
258 ////////////////////////////////////////////////////////////////////////////////
259
slotFreezePlaylists()260 void PlaylistBox::slotFreezePlaylists()
261 {
262 setDynamicListsFrozen(true);
263 }
264
slotUnfreezePlaylists()265 void PlaylistBox::slotUnfreezePlaylists()
266 {
267 setDynamicListsFrozen(false);
268 }
269
slotPlaylistDataChanged()270 void PlaylistBox::slotPlaylistDataChanged()
271 {
272 if(m_savePlaylistTimer)
273 m_savePlaylistTimer->start(); // Restarts the timer if it's already running.
274 }
275
slotSetHistoryPlaylistEnabled(bool enable)276 void PlaylistBox::slotSetHistoryPlaylistEnabled(bool enable)
277 {
278 setHistoryPlaylistEnabled(enable);
279 }
280
setupPlaylist(Playlist * playlist,const QString & iconName)281 void PlaylistBox::setupPlaylist(Playlist *playlist, const QString &iconName)
282 {
283 setupPlaylist(playlist, iconName, nullptr);
284 }
285
setupPlaylist(Playlist * playlist,const QString & iconName,Item * parentItem)286 void PlaylistBox::setupPlaylist(Playlist *playlist, const QString &iconName, Item *parentItem)
287 {
288 connect(playlist, &Playlist::signalPlaylistItemsDropped,
289 this, &PlaylistBox::slotPlaylistItemsDropped);
290 connect(playlist, &Playlist::signalMoveFocusAway,
291 this, &PlaylistBox::signalMoveFocusAway);
292
293 PlaylistCollection::setupPlaylist(playlist, iconName);
294
295 if(parentItem)
296 new Item(parentItem, iconName, playlist->name(), playlist);
297 else
298 new Item(this, iconName, playlist->name(), playlist);
299 }
300
removePlaylist(Playlist * playlist)301 void PlaylistBox::removePlaylist(Playlist *playlist)
302 {
303 // Could be false if setup() wasn't run yet.
304 if(m_playlistDict.contains(playlist)) {
305 removeNameFromDict(m_playlistDict[playlist]->text(0));
306 delete m_playlistDict[playlist]; // Delete the Item*
307 }
308
309 removeFileFromDict(playlist->fileName());
310 m_playlistDict.remove(playlist);
311 }
312
supportedDropActions() const313 Qt::DropActions PlaylistBox::supportedDropActions() const
314 {
315 return Qt::CopyAction;
316 }
317
dropMimeData(QTreeWidgetItem * parent,int index,const QMimeData * data,Qt::DropAction action)318 bool PlaylistBox::dropMimeData(QTreeWidgetItem *parent, int index, const QMimeData *data, Qt::DropAction action)
319 {
320 Q_UNUSED(index);
321
322 // The *parent* item won't be null, but index should be zero except in the
323 // still-broken "tree view" mode.
324
325 if(!parent || action != Qt::CopyAction || !data->hasUrls()) {
326 return false;
327 }
328
329 auto *playlistItem = static_cast<Item *>(parent);
330 if(!playlistItem) {
331 return false;
332 }
333
334 auto *playlist = playlistItem->playlist();
335 const auto droppedUrls = data->urls();
336 PlaylistItem *lastItem = nullptr;
337
338 for(const auto &url : droppedUrls) {
339 lastItem = playlist->createItem(FileHandle(url.toLocalFile()), lastItem);
340 }
341
342 return true;
343 }
344
mimeTypes() const345 QStringList PlaylistBox::mimeTypes() const
346 {
347 auto result = QTreeWidget::mimeTypes();
348
349 // Need to add Playlists's mime type to convince QTreeWidget to allow it as
350 // a drop option.
351 result.append(QLatin1String("text/uri-list"));
352
353 return result;
354 }
355
356 ////////////////////////////////////////////////////////////////////////////////
357 // PlaylistBox private methods
358 ////////////////////////////////////////////////////////////////////////////////
359
readConfig()360 void PlaylistBox::readConfig()
361 {
362 KConfigGroup config(KSharedConfig::openConfig(), "PlaylistBox");
363 m_viewModeIndex = config.readEntry("ViewMode", 0);
364
365 // TODO Restore ability to use Tree View once fixed.
366 if(m_viewModeIndex == 2) {
367 m_viewModeIndex = 0;
368 }
369 }
370
saveConfig()371 void PlaylistBox::saveConfig()
372 {
373 KConfigGroup config(KSharedConfig::openConfig(), "PlaylistBox");
374 config.writeEntry("ViewMode", action<KSelectAction>("viewModeMenu")->currentItem());
375 KSharedConfig::openConfig()->sync();
376 }
377
remove()378 void PlaylistBox::remove()
379 {
380 const ItemList items = selectedBoxItems();
381
382 if(items.isEmpty())
383 return;
384
385 QStringList files;
386 QStringList names;
387
388 for(const auto &item : items) {
389 if(!item || !item->playlist()) {
390 qFatal("Ran into an empty item or item playlist when removing playlists!");
391 }
392
393 if (!item->playlist()->fileName().isEmpty() &&
394 QFileInfo::exists(item->playlist()->fileName()))
395 {
396 files.append(item->playlist()->fileName());
397 }
398
399 names.append(item->playlist()->name());
400 }
401
402 if(!files.isEmpty()) {
403 int remove = KMessageBox::warningYesNoCancelList(
404 this, i18n("Do you want to delete these files from the disk as well?"), files, QString(), KStandardGuiItem::del(), KGuiItem(i18n("Keep")));
405
406 if(remove == KMessageBox::Yes) {
407 QStringList couldNotDelete;
408 for(const auto &playlistFile : qAsConst(files)) {
409 if(!QFile::remove(playlistFile))
410 couldNotDelete.append(playlistFile);
411 }
412
413 if(!couldNotDelete.isEmpty())
414 KMessageBox::errorList(this, i18n("Could not delete these files."), couldNotDelete);
415 }
416 else if(remove == KMessageBox::Cancel)
417 return;
418 }
419 else if(items.count() > 1 || items.front()->playlist() != upcomingPlaylist()) {
420 if(KMessageBox::Cancel == KMessageBox::warningContinueCancelList(
421 this,
422 i18n("Are you sure you want to remove these "
423 "playlists from your collection?"),
424 names,
425 i18n("Remove Items?"),
426 KGuiItem(i18n("&Remove"), "user-trash")))
427 {
428 return;
429 }
430 }
431
432 for(const auto &item : items) {
433 if(item != Item::collectionItem() &&
434 !item->playlist()->readOnly())
435 {
436 if(item->playlist() != upcomingPlaylist())
437 delete item;
438 else {
439 action<KToggleAction>("showUpcoming")->setChecked(false);
440 setUpcomingPlaylistEnabled(false);
441 }
442 }
443 }
444
445 setSingleItem(Item::collectionItem());
446 }
447
setDynamicListsFrozen(bool frozen)448 void PlaylistBox::setDynamicListsFrozen(bool frozen)
449 {
450 for(auto &playlistBoxItem : qAsConst(m_viewModes)) {
451 playlistBoxItem->setDynamicListsFrozen(frozen);
452 }
453 }
454
slotSavePlaylists()455 void PlaylistBox::slotSavePlaylists()
456 {
457 qCDebug(JUK_LOG) << "Auto-saving playlists.";
458
459 PlaylistList l;
460 CollectionList *collection = CollectionList::instance();
461 for(QTreeWidgetItemIterator it(topLevelItem(0)); *it; ++it) {
462 Item *item = static_cast<Item *>(*it);
463 if(item->playlist() && item->playlist() != collection)
464 l.append(item->playlist());
465 }
466
467 Cache::savePlaylists(l);
468 }
469
slotShowDropTarget()470 void PlaylistBox::slotShowDropTarget()
471 {
472 if(m_dropItem) raise(m_dropItem->playlist());
473 }
474
slotAddItem(const QString & tag,unsigned column)475 void PlaylistBox::slotAddItem(const QString &tag, unsigned column)
476 {
477 for(auto &viewMode : qAsConst(m_viewModes)) {
478 viewMode->addItems(QStringList(tag), column);
479 }
480 }
481
slotRemoveItem(const QString & tag,unsigned column)482 void PlaylistBox::slotRemoveItem(const QString &tag, unsigned column)
483 {
484 for(auto &viewMode : qAsConst(m_viewModes)) {
485 viewMode->removeItem(tag, column);
486 }
487 }
488
mousePressEvent(QMouseEvent * e)489 void PlaylistBox::mousePressEvent(QMouseEvent *e)
490 {
491 if(e->button() == Qt::LeftButton)
492 m_doingMultiSelect = true;
493 QTreeWidget::mousePressEvent(e);
494 }
495
mouseReleaseEvent(QMouseEvent * e)496 void PlaylistBox::mouseReleaseEvent(QMouseEvent *e)
497 {
498 if(e->button() == Qt::LeftButton) {
499 m_doingMultiSelect = false;
500 slotPlaylistChanged();
501 }
502 QTreeWidget::mouseReleaseEvent(e);
503 }
504
keyPressEvent(QKeyEvent * e)505 void PlaylistBox::keyPressEvent(QKeyEvent *e)
506 {
507 if((e->key() == Qt::Key_Up || e->key() == Qt::Key_Down) && e->modifiers() == Qt::ShiftModifier)
508 m_doingMultiSelect = true;
509 QTreeWidget::keyPressEvent(e);
510 }
511
keyReleaseEvent(QKeyEvent * e)512 void PlaylistBox::keyReleaseEvent(QKeyEvent *e)
513 {
514 if(m_doingMultiSelect && e->key() == Qt::Key_Shift) {
515 m_doingMultiSelect = false;
516 slotPlaylistChanged();
517 }
518 QTreeWidget::keyReleaseEvent(e);
519 }
520
selectedBoxItems()521 PlaylistBox::ItemList PlaylistBox::selectedBoxItems()
522 {
523 ItemList l;
524
525 for(QTreeWidgetItemIterator it(this, QTreeWidgetItemIterator::Selected)
526 ; *it
527 ; ++it)
528 {
529 l.append(static_cast<Item *>(*it));
530 }
531
532 return l;
533 }
534
setSingleItem(QTreeWidgetItem * item)535 void PlaylistBox::setSingleItem(QTreeWidgetItem *item)
536 {
537 setSelectionMode(QAbstractItemView::SingleSelection);
538 setCurrentItem(item);
539 setSelectionMode(QAbstractItemView::ExtendedSelection);
540 }
541
dragMoveEvent(QDragMoveEvent * event)542 void PlaylistBox::dragMoveEvent(QDragMoveEvent* event)
543 {
544 QTreeWidget::dragMoveEvent(event);
545
546 Item* hovered_item = static_cast<Item*>(itemAt(event->pos()));
547 if(hovered_item != m_dropItem){
548 m_dropItem = hovered_item;
549 if(m_dropItem) m_showTimer->start();
550 else m_showTimer->stop();
551 };
552 }
553
dragLeaveEvent(QDragLeaveEvent * event)554 void PlaylistBox::dragLeaveEvent(QDragLeaveEvent* event)
555 {
556 QTreeWidget::dragLeaveEvent(event);
557 m_showTimer->stop();
558 }
559
560 ////////////////////////////////////////////////////////////////////////////////
561 // PlaylistBox private slots
562 ////////////////////////////////////////////////////////////////////////////////
563
slotPlaylistChanged()564 void PlaylistBox::slotPlaylistChanged()
565 {
566 // Don't update while the mouse is pressed down.
567
568 if(m_doingMultiSelect)
569 return;
570
571 const ItemList items = selectedBoxItems();
572 m_hasSelection = !items.isEmpty();
573
574 const bool allowReload = std::any_of(items.begin(), items.end(),
575 [](const auto &item) {
576 return item->playlist() && item->playlist()->canReload();
577 });
578
579 PlaylistList playlists;
580 for(const auto &playlistBoxItem : items) {
581 auto p = playlistBoxItem->playlist();
582 if(p) {
583 playlists.append(p);
584 }
585 }
586
587 bool singlePlaylist = playlists.count() == 1;
588
589 if(playlists.isEmpty() ||
590 (singlePlaylist &&
591 (playlists.front() == CollectionList::instance() ||
592 playlists.front()->readOnly())))
593 {
594 action("file_save")->setEnabled(false);
595 action("file_save_as")->setEnabled(false);
596 action("renamePlaylist")->setEnabled(false);
597 action("deleteItemPlaylist")->setEnabled(false);
598 }
599 else {
600 action("file_save")->setEnabled(true);
601 action("file_save_as")->setEnabled(true);
602 action("renamePlaylist")->setEnabled(playlists.count() == 1);
603 action("deleteItemPlaylist")->setEnabled(true);
604 }
605 action("reloadPlaylist")->setEnabled(allowReload);
606 action("duplicatePlaylist")->setEnabled(!playlists.isEmpty());
607
608 action("editSearch")->setEnabled(singlePlaylist &&
609 playlists.front()->searchIsEditable());
610
611 if(singlePlaylist) {
612 PlaylistCollection::raise(playlists.front());
613
614 if(playlists.front() == upcomingPlaylist()) {
615 action("deleteItemPlaylist")->setText(i18n("Hid&e"));
616 action("deleteItemPlaylist")->setIcon("list-remove"_icon);
617 }
618 else {
619 action("deleteItemPlaylist")->setText(i18n("R&emove"));
620 action("deleteItemPlaylist")->setIcon("user-trash"_icon);
621 }
622 }
623 else if(!playlists.isEmpty())
624 createDynamicPlaylist(playlists);
625 }
626
slotDoubleClicked(QTreeWidgetItem * item)627 void PlaylistBox::slotDoubleClicked(QTreeWidgetItem *item)
628 {
629 if(!item)
630 return;
631 auto *playlist = static_cast<Item *>(item)->playlist();
632
633 playlist->slotBeginPlayback();
634 }
635
slotShowContextMenu(const QPoint & point)636 void PlaylistBox::slotShowContextMenu(const QPoint &point)
637 {
638 m_contextMenu->popup(mapToGlobal(point));
639 }
640
slotPlaylistItemsDropped(Playlist * p)641 void PlaylistBox::slotPlaylistItemsDropped(Playlist *p)
642 {
643 raise(p);
644 }
645
slotSetViewMode(int index)646 void PlaylistBox::slotSetViewMode(int index)
647 {
648 if(index == m_viewModeIndex)
649 return;
650
651 viewMode()->setShown(false);
652 m_viewModeIndex = index;
653 viewMode()->setShown(true);
654 }
655
setupItem(Item * item)656 void PlaylistBox::setupItem(Item *item)
657 {
658 m_playlistDict.insert(item->playlist(), item);
659 viewMode()->queueRefresh();
660 }
661
setupUpcomingPlaylist()662 void PlaylistBox::setupUpcomingPlaylist()
663 {
664 KConfigGroup config(KSharedConfig::openConfig(), "Playlists");
665 bool enable = config.readEntry("showUpcoming", false);
666
667 setUpcomingPlaylistEnabled(enable);
668 action<KToggleAction>("showUpcoming")->setChecked(enable);
669 }
670
671
slotLoadCachedPlaylists()672 void PlaylistBox::slotLoadCachedPlaylists()
673 {
674 qCDebug(JUK_LOG) << "Loading cached playlists.";
675 QElapsedTimer stopwatch;
676 stopwatch.start();
677
678 Cache::loadPlaylists(this);
679
680 qCDebug(JUK_LOG) << "Cached playlists loaded, took" << stopwatch.elapsed() << "ms";
681
682 // Auto-save playlists after they change.
683 m_savePlaylistTimer = new QTimer(this);
684 m_savePlaylistTimer->setInterval(3000); // 3 seconds with no change? -> commit
685 m_savePlaylistTimer->setSingleShot(true);
686 connect(m_savePlaylistTimer, &QTimer::timeout,
687 this, &PlaylistBox::slotSavePlaylists);
688
689 clearSelection();
690 setCurrentItem(m_playlistDict[CollectionList::instance()]);
691
692 QTimer::singleShot(0, this, [this]() {
693 CollectionList::instance()->slotCheckCache();
694 this->scanFolders();
695 });
696 }
697
698 ////////////////////////////////////////////////////////////////////////////////
699 // PlaylistBox::Item protected methods
700 ////////////////////////////////////////////////////////////////////////////////
701
702 PlaylistBox::Item *PlaylistBox::Item::m_collectionItem = nullptr;
703
Item(PlaylistBox * listBox,const QString & icon,const QString & text,Playlist * l)704 PlaylistBox::Item::Item(PlaylistBox *listBox, const QString &icon, const QString &text, Playlist *l)
705 : QObject(listBox), QTreeWidgetItem(listBox, QStringList(text)),
706 m_playlist(l), m_iconName(icon), m_sortedFirst(false)
707 {
708 init();
709 }
710
Item(Item * parent,const QString & icon,const QString & text,Playlist * l)711 PlaylistBox::Item::Item(Item *parent, const QString &icon, const QString &text, Playlist *l)
712 : QObject(parent->listView()), QTreeWidgetItem(parent, QStringList(text)),
713 m_playlist(l), m_iconName(icon), m_sortedFirst(false)
714 {
715 init();
716 }
717
~Item()718 PlaylistBox::Item::~Item()
719 {
720
721 }
722
setup()723 void PlaylistBox::Item::setup()
724 {
725 listView()->viewMode()->setupItem(this);
726 }
727
728 ////////////////////////////////////////////////////////////////////////////////
729 // PlaylistBox::Item protected slots
730 ////////////////////////////////////////////////////////////////////////////////
731
slotSetName(const QString & name)732 void PlaylistBox::Item::slotSetName(const QString &name)
733 {
734 setText(0, name); // Display name
735 setText(1, sortTextFor(name));
736 setSelected(true);
737
738 treeWidget()->scrollToItem(this);
739 }
740
playlistItemDataChanged()741 void PlaylistBox::Item::playlistItemDataChanged()
742 {
743 // This avoids spuriously re-saving all playlists just because play queue
744 // changes.
745 if(m_playlist != listView()->upcomingPlaylist())
746 listView()->slotPlaylistDataChanged();
747 }
748
749 ////////////////////////////////////////////////////////////////////////////////
750 // PlaylistBox::Item private methods
751 ////////////////////////////////////////////////////////////////////////////////
752
init()753 void PlaylistBox::Item::init()
754 {
755 PlaylistBox *list = listView();
756
757 list->setupItem(this);
758
759 const QString itemText(text());
760 setIcon(0, QIcon::fromTheme(m_iconName));
761 list->addNameToDict(itemText);
762
763 if(m_playlist) {
764 connect(m_playlist, &Playlist::signalNameChanged,
765 this, &Item::slotSetName);
766 connect(m_playlist, &Playlist::signalEnableDirWatch,
767 this, [list](bool enable) {
768 list->enableDirWatch(enable);
769 });
770 }
771
772 if(m_playlist == CollectionList::instance()) {
773 m_sortedFirst = true;
774 m_collectionItem = this;
775 list->viewMode()->setupDynamicPlaylists();
776 }
777
778 if(m_playlist == list->historyPlaylist() || m_playlist == list->upcomingPlaylist())
779 m_sortedFirst = true;
780
781 setText(1, sortTextFor(itemText));
782
783 connect(&(m_playlist->signaller), &PlaylistInterfaceSignaller::playingItemDataChanged, this, &PlaylistBox::Item::playlistItemDataChanged);
784 }
785
sortTextFor(const QString & name) const786 QString PlaylistBox::Item::sortTextFor(const QString &name) const
787 {
788 // Collection List goes before everything, then
789 // playlists that 'sort first', then remainder of
790 // playlists.
791 const auto prefix
792 = (playlist() == CollectionList::instance())
793 ? QStringLiteral("0")
794 : m_sortedFirst
795 ? QStringLiteral("1")
796 : QStringLiteral("2");
797 return prefix + name;
798 }
799
800 // vim: set et sw=4 tw=0 sta:
801