Clementine-audio-player-Mac.../src/library/libraryview.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "librarydirectorymodel.h"
#include "libraryfilterwidget.h"
#include "librarymodel.h"
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#include "libraryview.h"
#include "libraryitem.h"
#include "librarybackend.h"
#include "core/application.h"
#include "core/deletefiles.h"
#include "core/logging.h"
#include "core/mimedata.h"
#include "core/musicstorage.h"
#include "core/utilities.h"
#include "devices/devicemanager.h"
#include "devices/devicestatefiltermodel.h"
#include "smartplaylists/wizard.h"
#include "ui/iconloader.h"
#include "ui/organisedialog.h"
#include "ui/organiseerrordialog.h"
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#include <QPainter>
#include <QContextMenuEvent>
#include <QHelpEvent>
#include <QMenu>
#include <QMessageBox>
#include <QSet>
#include <QSettings>
#include <QSortFilterProxyModel>
#include <QToolTip>
#include <QWhatsThis>
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using smart_playlists::Wizard;
const char* LibraryView::kSettingsGroup = "LibraryView";
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LibraryItemDelegate::LibraryItemDelegate(QObject *parent)
: QStyledItemDelegate(parent)
{
}
void LibraryItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &opt, const QModelIndex &index) const {
const bool is_divider = index.data(LibraryModel::Role_IsDivider).toBool();
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if (is_divider) {
QString text(index.data().toString());
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painter->save();
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// Draw the text
QFont bold_font(opt.font);
bold_font.setBold(true);
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QRect text_rect(opt.rect);
text_rect.setLeft(text_rect.left() + 30);
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painter->setPen(opt.palette.color(QPalette::Text));
painter->setFont(bold_font);
painter->drawText(text_rect, text);
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// Draw the line under the item
QPen line_pen(opt.palette.color(QPalette::Dark));
line_pen.setWidth(2);
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painter->setPen(line_pen);
painter->drawLine(opt.rect.bottomLeft(), opt.rect.bottomRight());
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painter->restore();
} else {
QStyledItemDelegate::paint(painter, opt, index);
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}
}
bool LibraryItemDelegate::helpEvent(QHelpEvent *event, QAbstractItemView *view,
const QStyleOptionViewItem &option,
const QModelIndex &index) {
Q_UNUSED(option);
if (!event || !view)
return false;
QHelpEvent *he = static_cast<QHelpEvent*>(event);
QString text = displayText(index.data(), QLocale::system());
if (text.isEmpty() || !he)
return false;
switch (event->type()) {
case QEvent::ToolTip: {
QRect displayed_text;
QSize real_text;
bool is_elided = false;
real_text = sizeHint(option, index);
displayed_text = view->visualRect(index);
is_elided = displayed_text.width() < real_text.width();
if(is_elided) {
QToolTip::showText(he->globalPos(), text, view);
} else { // in case that another text was previously displayed
QToolTip::hideText();
}
return true;
}
case QEvent::QueryWhatsThis:
return true;
case QEvent::WhatsThis:
QWhatsThis::showText(he->globalPos(), text, view);
return true;
default:
break;
}
return false;
}
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LibraryView::LibraryView(QWidget* parent)
: AutoExpandingTreeView(parent),
app_(NULL),
filter_(NULL),
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total_song_count_(-1),
nomusic_(":nomusic.png"),
context_menu_(NULL),
is_in_keyboard_search_(false)
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{
setItemDelegate(new LibraryItemDelegate(this));
setAttribute(Qt::WA_MacShowFocusRect, false);
setHeaderHidden(true);
setAllColumnsShowFocus(true);
setDragEnabled(true);
setDragDropMode(QAbstractItemView::DragOnly);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setStyleSheet("QTreeView::item{padding-top:1px;}");
}
LibraryView::~LibraryView() {
}
void LibraryView::ReloadSettings() {
QSettings s;
s.beginGroup(kSettingsGroup);
SetAutoOpen(s.value("auto_open", true).toBool());
if (app_ != NULL) {
app_->library_model()->set_pretty_covers(s.value("pretty_covers", true).toBool());
app_->library_model()->set_show_dividers(s.value("show_dividers", true).toBool());
}
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}
void LibraryView::SetApplication(Application* app) {
app_ = app;
ReloadSettings();
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}
void LibraryView::SetFilter(LibraryFilterWidget* filter) {
filter_ = filter;
}
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void LibraryView::TotalSongCountUpdated(int count) {
bool old = total_song_count_;
total_song_count_ = count;
if (old != total_song_count_)
update();
if (total_song_count_ == 0)
setCursor(Qt::PointingHandCursor);
else
unsetCursor();
}
void LibraryView::paintEvent(QPaintEvent* event) {
if (total_song_count_ == 0) {
QPainter p(viewport());
QRect rect(viewport()->rect());
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// Draw the confused clementine
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QRect image_rect((rect.width() - nomusic_.width()) / 2, 50,
nomusic_.width(), nomusic_.height());
p.drawPixmap(image_rect, nomusic_);
// Draw the title text
QFont bold_font;
bold_font.setBold(true);
p.setFont(bold_font);
QFontMetrics metrics(bold_font);
QRect title_rect(0, image_rect.bottom() + 20, rect.width(), metrics.height());
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p.drawText(title_rect, Qt::AlignHCenter, tr("Your library is empty!"));
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// Draw the other text
p.setFont(QFont());
QRect text_rect(0, title_rect.bottom() + 5, rect.width(), metrics.height());
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p.drawText(text_rect, Qt::AlignHCenter, tr("Click here to add some music"));
} else {
QTreeView::paintEvent(event);
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}
}
void LibraryView::mouseReleaseEvent(QMouseEvent* e) {
QTreeView::mouseReleaseEvent(e);
if (total_song_count_ == 0) {
emit ShowConfigDialog();
}
}
void LibraryView::contextMenuEvent(QContextMenuEvent *e) {
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if(!context_menu_) {
context_menu_ = new QMenu(this);
add_to_playlist_ = context_menu_->addAction(IconLoader::Load("media-playback-start"),
tr("Append to current playlist"), this, SLOT(AddToPlaylist()));
load_ = context_menu_->addAction(IconLoader::Load("media-playback-start"),
tr("Replace current playlist"), this, SLOT(Load()));
open_in_new_playlist_ = context_menu_->addAction(IconLoader::Load("document-new"),
tr("Open in new playlist"), this, SLOT(OpenInNewPlaylist()));
context_menu_->addSeparator();
add_to_playlist_enqueue_ = context_menu_->addAction(IconLoader::Load("go-next"),
tr("Queue track"), this, SLOT(AddToPlaylistEnqueue()));
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context_menu_->addSeparator();
new_smart_playlist_ = context_menu_->addAction(IconLoader::Load("document-new"),
tr("New smart playlist..."), this, SLOT(NewSmartPlaylist()));
edit_smart_playlist_ = context_menu_->addAction(IconLoader::Load("edit-rename"),
tr("Edit smart playlist..."), this, SLOT(EditSmartPlaylist()));
delete_smart_playlist_ = context_menu_->addAction(IconLoader::Load("edit-delete"),
tr("Delete smart playlist"), this, SLOT(DeleteSmartPlaylist()));
context_menu_->addSeparator();
organise_ = context_menu_->addAction(IconLoader::Load("edit-copy"),
tr("Organise files..."), this, SLOT(Organise()));
copy_to_device_ = context_menu_->addAction(IconLoader::Load("multimedia-player-ipod-mini-blue"),
tr("Copy to device..."), this, SLOT(CopyToDevice()));
delete_ = context_menu_->addAction(IconLoader::Load("edit-delete"),
tr("Delete from disk..."), this, SLOT(Delete()));
context_menu_->addSeparator();
edit_track_ = context_menu_->addAction(IconLoader::Load("edit-rename"),
tr("Edit track information..."), this, SLOT(EditTracks()));
edit_tracks_ = context_menu_->addAction(IconLoader::Load("edit-rename"),
tr("Edit tracks information..."), this, SLOT(EditTracks()));
show_in_browser_ = context_menu_->addAction(IconLoader::Load("document-open-folder"),
tr("Show in file browser..."), this, SLOT(ShowInBrowser()));
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context_menu_->addSeparator();
show_in_various_ = context_menu_->addAction(
tr("Show in various artists"), this, SLOT(ShowInVarious()));
no_show_in_various_ = context_menu_->addAction(
tr("Don't show in various artists"), this, SLOT(NoShowInVarious()));
context_menu_->addSeparator();
context_menu_->addMenu(filter_->menu());
copy_to_device_->setDisabled(app_->device_manager()->connected_devices_model()->rowCount() == 0);
connect(app_->device_manager()->connected_devices_model(), SIGNAL(IsEmptyChanged(bool)),
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copy_to_device_, SLOT(setDisabled(bool)));
}
context_menu_index_ = indexAt(e->pos());
if (!context_menu_index_.isValid())
return;
context_menu_index_ = qobject_cast<QSortFilterProxyModel*>(model())
->mapToSource(context_menu_index_);
QModelIndexList selected_indexes =
qobject_cast<QSortFilterProxyModel*>(model())->mapSelectionToSource(
selectionModel()->selection()).indexes();
// number of smart playlists selected
int smart_playlists = 0;
// is the smart playlists header selected?
int smart_playlists_header = 0;
// number of non smart playlists selected
int regular_elements = 0;
// number of editable non smart playlists selected
int regular_editable = 0;
foreach(const QModelIndex& index, selected_indexes) {
int type = app_->library_model()->data(index, LibraryModel::Role_Type).toInt();
if(type == LibraryItem::Type_SmartPlaylist) {
smart_playlists++;
} else if(type == LibraryItem::Type_PlaylistContainer) {
smart_playlists_header++;
} else {
regular_elements++;
}
if(app_->library_model()->data(index, LibraryModel::Role_Editable).toBool()) {
regular_editable++;
}
}
// TODO: check if custom plugin actions should be enabled / visible
const int songs_selected = smart_playlists + smart_playlists_header + regular_elements;
const bool regular_elements_only = songs_selected == regular_elements && regular_elements > 0;
const bool smart_playlists_only = songs_selected == smart_playlists + smart_playlists_header;
const bool only_smart_playlist_selected = smart_playlists == 1 && songs_selected == 1;
// in all modes
load_->setEnabled(songs_selected);
add_to_playlist_->setEnabled(songs_selected);
open_in_new_playlist_->setEnabled(songs_selected);
add_to_playlist_enqueue_->setEnabled(songs_selected);
// allow mixed smart playlists / regular elements selected
show_in_browser_->setVisible(!smart_playlists_only);
edit_tracks_->setVisible(!smart_playlists_only && regular_editable > 1);
// if neither edit_track not edit_tracks are available, we show disabled
// edit_track element
edit_track_->setVisible(!smart_playlists_only && (regular_editable <= 1));
edit_track_->setEnabled(regular_editable == 1);
// only when no smart playlists selected
organise_->setVisible(regular_elements_only);
copy_to_device_->setVisible(regular_elements_only);
delete_->setVisible(regular_elements_only);
show_in_various_->setVisible(regular_elements_only);
no_show_in_various_->setVisible(regular_elements_only);
// only when all selected items are editable
organise_->setEnabled(regular_elements == regular_editable);
copy_to_device_->setEnabled(regular_elements == regular_editable);
delete_->setEnabled(regular_elements == regular_editable);
// only when no regular elements selected
new_smart_playlist_->setVisible(smart_playlists_only);
edit_smart_playlist_->setVisible(smart_playlists_only);
delete_smart_playlist_->setVisible(smart_playlists_only);
edit_smart_playlist_->setEnabled(only_smart_playlist_selected);
delete_smart_playlist_->setEnabled(only_smart_playlist_selected);
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context_menu_->popup(e->globalPos());
}
void LibraryView::ShowInVarious() {
ShowInVarious(true);
}
void LibraryView::NoShowInVarious() {
ShowInVarious(false);
}
void LibraryView::ShowInVarious(bool on) {
if (!context_menu_index_.isValid())
return;
// Map is from album name -> all artists sharing that album name, built from each selected
// song. We put through "Various Artists" changes one album at a time, to make sure the old album
// node gets removed (due to all children removed), before the new one gets added
QMultiMap<QString, QString> albums;
foreach (const Song& song, GetSelectedSongs()) {
if (albums.find(song.album(), song.artist()) == albums.end())
albums.insert( song.album(), song.artist() );
}
// If we have only one album and we are putting it into Various Artists, check to see
// if there are other Artists in this album and prompt the user if they'd like them moved, too
if(on && albums.keys().count() == 1) {
const QString album = albums.keys().first();
QList<Song> all_of_album = app_->library_backend()->GetSongsByAlbum(album);
QSet<QString> other_artists;
foreach (const Song& s, all_of_album) {
if(!albums.contains(album, s.artist()) && !other_artists.contains(s.artist())) {
other_artists.insert(s.artist());
}
}
if (other_artists.count() > 0) {
if (QMessageBox::question(this,
tr("There are other songs in this album"),
tr("Would you like to move the other songs in this album to Various Artists as well?"),
QMessageBox::Yes | QMessageBox::No,
QMessageBox::Yes) == QMessageBox::Yes) {
foreach (const QString& s, other_artists) {
albums.insert(album, s);
}
}
}
}
foreach (const QString& album, QSet<QString>::fromList(albums.keys())) {
app_->library_backend()->ForceCompilation(album, albums.values(album), on);
}
}
void LibraryView::Load() {
QMimeData* data = model()->mimeData(selectedIndexes());
if (MimeData* mime_data = qobject_cast<MimeData*>(data)) {
mime_data->clear_first_ = true;
}
emit AddToPlaylistSignal(data);
}
void LibraryView::AddToPlaylist() {
emit AddToPlaylistSignal(model()->mimeData(selectedIndexes()));
}
void LibraryView::AddToPlaylistEnqueue() {
QMimeData* data = model()->mimeData(selectedIndexes());
if (MimeData* mime_data = qobject_cast<MimeData*>(data)) {
mime_data->enqueue_now_ = true;
}
emit AddToPlaylistSignal(data);
}
void LibraryView::OpenInNewPlaylist() {
QMimeData* data = model()->mimeData(selectedIndexes());
if (MimeData* mime_data = qobject_cast<MimeData*>(data)) {
mime_data->open_in_new_playlist_ = true;
}
emit AddToPlaylistSignal(data);
}
void LibraryView::keyboardSearch(const QString& search) {
is_in_keyboard_search_ = true;
QTreeView::keyboardSearch(search);
is_in_keyboard_search_ = false;
}
void LibraryView::scrollTo(const QModelIndex& index, ScrollHint hint) {
if (is_in_keyboard_search_)
QTreeView::scrollTo(index, QAbstractItemView::PositionAtTop);
else
QTreeView::scrollTo(index, hint);
}
SongList LibraryView::GetSelectedSongs() const {
QModelIndexList selected_indexes =
qobject_cast<QSortFilterProxyModel*>(model())->mapSelectionToSource(
selectionModel()->selection()).indexes();
return app_->library_model()->GetChildSongs(selected_indexes);
}
void LibraryView::Organise() {
if (!organise_dialog_)
organise_dialog_.reset(new OrganiseDialog(app_->task_manager()));
organise_dialog_->SetDestinationModel(app_->library_model()->directory_model());
organise_dialog_->SetCopy(false);
if (organise_dialog_->SetSongs(GetSelectedSongs()))
organise_dialog_->show();
else {
QMessageBox::warning(this, tr("Error"),
tr("None of the selected songs were suitable for copying to a device"));
}
}
void LibraryView::Delete() {
if (QMessageBox::question(this, tr("Delete files"),
tr("These files will be deleted from disk, are you sure you want to continue?"),
QMessageBox::Yes, QMessageBox::Cancel) != QMessageBox::Yes)
return;
// We can cheat and always take the storage of the first directory, since
// they'll all be FilesystemMusicStorage in a library and deleting doesn't
// check the actual directory.
boost::shared_ptr<MusicStorage> storage =
app_->library_model()->directory_model()->index(0, 0).data(MusicStorage::Role_Storage)
.value<boost::shared_ptr<MusicStorage> >();
DeleteFiles* delete_files = new DeleteFiles(app_->task_manager(), storage);
connect(delete_files, SIGNAL(Finished(SongList)), SLOT(DeleteFinished(SongList)));
delete_files->Start(GetSelectedSongs());
}
void LibraryView::EditTracks() {
if(!edit_tag_dialog_) {
edit_tag_dialog_.reset(new EditTagDialog(app_, this));
}
edit_tag_dialog_->SetSongs(GetSelectedSongs());
edit_tag_dialog_->show();
}
void LibraryView::CopyToDevice() {
if (!organise_dialog_)
organise_dialog_.reset(new OrganiseDialog(app_->task_manager()));
organise_dialog_->SetDestinationModel(app_->device_manager()->connected_devices_model(), true);
organise_dialog_->SetCopy(true);
organise_dialog_->SetSongs(GetSelectedSongs());
organise_dialog_->show();
}
void LibraryView::DeleteFinished(const SongList& songs_with_errors) {
if (songs_with_errors.isEmpty())
return;
OrganiseErrorDialog* dialog = new OrganiseErrorDialog(this);
dialog->Show(OrganiseErrorDialog::Type_Delete, songs_with_errors);
// It deletes itself when the user closes it
}
void LibraryView::FilterReturnPressed() {
if (!currentIndex().isValid()) {
// Pick the first thing that isn't a divider
for (int row=0 ; row<model()->rowCount() ; ++row) {
QModelIndex idx(model()->index(row, 0));
if (idx.data(LibraryModel::Role_Type) != LibraryItem::Type_Divider) {
setCurrentIndex(idx);
break;
}
}
}
if (!currentIndex().isValid())
return;
emit doubleClicked(currentIndex());
}
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void LibraryView::NewSmartPlaylist() {
Wizard* wizard = new Wizard(app_->library_backend(), this);
wizard->setAttribute(Qt::WA_DeleteOnClose);
connect(wizard, SIGNAL(accepted()), SLOT(NewSmartPlaylistFinished()));
wizard->show();
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}
void LibraryView::EditSmartPlaylist() {
Wizard* wizard = new Wizard(app_->library_backend(), this);
wizard->setAttribute(Qt::WA_DeleteOnClose);
connect(wizard, SIGNAL(accepted()), SLOT(EditSmartPlaylistFinished()));
wizard->show();
wizard->SetGenerator(app_->library_model()->CreateGenerator(context_menu_index_));
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}
void LibraryView::DeleteSmartPlaylist() {
app_->library_model()->DeleteGenerator(context_menu_index_);
}
void LibraryView::NewSmartPlaylistFinished() {
const Wizard* wizard = qobject_cast<Wizard*>(sender());
app_->library_model()->AddGenerator(wizard->CreateGenerator());
}
void LibraryView::EditSmartPlaylistFinished() {
const Wizard* wizard = qobject_cast<Wizard*>(sender());
app_->library_model()->UpdateGenerator(context_menu_index_, wizard->CreateGenerator());
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}
void LibraryView::ShowInBrowser() {
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QList<QUrl> urls;
foreach (const Song& song, GetSelectedSongs()) {
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urls << song.url();
}
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Utilities::OpenInFileBrowser(urls);
}