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strawberry-audio-player-win.../src/collection/collectionview.cpp

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/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry 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.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <QtGlobal>
#include <QWidget>
#include <QItemSelectionModel>
#include <QSortFilterProxyModel>
#include <QAbstractItemView>
#include <QStyleOptionViewItem>
#include <QAction>
#include <QVariant>
#include <QString>
#include <QUrl>
#include <QList>
#include <QLocale>
#include <QMap>
#include <QMessageBox>
#include <QMenu>
#include <QMimeData>
#include <QPainter>
#include <QPalette>
#include <QPen>
#include <QPoint>
#include <QRect>
#include <QSet>
#include <QSize>
#include <QToolTip>
#include <QTreeView>
#include <QWhatsThis>
#include <QBrush>
#include <QColor>
#include <QFont>
#include <QFontMetrics>
#include <QPixmap>
#include <QIcon>
#include <QLinearGradient>
#include <QSettings>
#include <QtEvents>
#include "core/application.h"
#include "core/iconloader.h"
#include "core/mimedata.h"
#include "core/utilities.h"
#include "collection.h"
#include "collectionbackend.h"
#include "collectiondirectorymodel.h"
#include "collectionfilterwidget.h"
#include "collectionitem.h"
#include "collectionitemdelegate.h"
#include "collectionmodel.h"
#include "collectionview.h"
#ifndef Q_OS_WIN
# include "device/devicemanager.h"
# include "device/devicestatefiltermodel.h"
#endif
#include "dialogs/edittagdialog.h"
#include "organise/organisedialog.h"
#include "settings/collectionsettingspage.h"
using std::unique_ptr;
CollectionView::CollectionView(QWidget *parent)
: AutoExpandingTreeView(parent),
app_(nullptr),
filter_(nullptr),
total_song_count_(-1),
total_artist_count_(-1),
total_album_count_(-1),
nomusic_(":/pictures/nomusic.png"),
context_menu_(nullptr),
is_in_keyboard_search_(false)
{
setItemDelegate(new CollectionItemDelegate(this));
setAttribute(Qt::WA_MacShowFocusRect, false);
setHeaderHidden(true);
setAllColumnsShowFocus(true);
setDragEnabled(true);
setDragDropMode(QAbstractItemView::DragOnly);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setStyleSheet("QTreeView::item{padding-top:1px;}");
}
CollectionView::~CollectionView() {}
void CollectionView::SaveFocus() {
QModelIndex current = currentIndex();
QVariant type = model()->data(current, CollectionModel::Role_Type);
if (!type.isValid() || !(type.toInt() == CollectionItem::Type_Song || type.toInt() == CollectionItem::Type_Container || type.toInt() == CollectionItem::Type_Divider)) {
return;
}
last_selected_path_.clear();
last_selected_song_ = Song();
last_selected_container_ = QString();
switch (type.toInt()) {
case CollectionItem::Type_Song: {
QModelIndex index = qobject_cast<QSortFilterProxyModel*>(model())->mapToSource(current);
SongList songs = app_->collection_model()->GetChildSongs(index);
if (!songs.isEmpty()) {
last_selected_song_ = songs.last();
}
break;
}
case CollectionItem::Type_Container:
case CollectionItem::Type_Divider: {
QString text = model()->data(current, CollectionModel::Role_SortText).toString();
last_selected_container_ = text;
break;
}
default:
return;
}
SaveContainerPath(current);
}
void CollectionView::SaveContainerPath(const QModelIndex &child) {
QModelIndex current = model()->parent(child);
QVariant type = model()->data(current, CollectionModel::Role_Type);
if (!type.isValid() || !(type.toInt() == CollectionItem::Type_Container || type.toInt() == CollectionItem::Type_Divider)) {
return;
}
QString text = model()->data(current, CollectionModel::Role_SortText).toString();
last_selected_path_ << text;
SaveContainerPath(current);
}
void CollectionView::RestoreFocus() {
if (last_selected_container_.isEmpty() && last_selected_song_.url().isEmpty()) {
return;
}
RestoreLevelFocus();
}
bool CollectionView::RestoreLevelFocus(const QModelIndex &parent) {
if (model()->canFetchMore(parent)) {
model()->fetchMore(parent);
}
int rows = model()->rowCount(parent);
for (int i = 0; i < rows; i++) {
QModelIndex current = model()->index(i, 0, parent);
QVariant type = model()->data(current, CollectionModel::Role_Type);
switch (type.toInt()) {
case CollectionItem::Type_Song:
if (!last_selected_song_.url().isEmpty()) {
QModelIndex index = qobject_cast<QSortFilterProxyModel*>(model())->mapToSource(current);
SongList songs = app_->collection_model()->GetChildSongs(index);
for (const Song &song : songs) {
if (song == last_selected_song_) {
setCurrentIndex(current);
return true;
}
}
}
break;
case CollectionItem::Type_Container:
case CollectionItem::Type_Divider: {
QString text = model()->data(current, CollectionModel::Role_SortText).toString();
if (!last_selected_container_.isEmpty() && last_selected_container_ == text) {
emit expand(current);
setCurrentIndex(current);
return true;
}
else if (last_selected_path_.contains(text)) {
emit expand(current);
// If a selected container or song were not found, we've got into a wrong subtree (happens with "unknown" all the time)
if (!RestoreLevelFocus(current)) {
emit collapse(current);
}
else {
return true;
}
}
break;
}
}
}
return false;
}
void CollectionView::ReloadSettings() {
QSettings settings;
settings.beginGroup(CollectionSettingsPage::kSettingsGroup);
SetAutoOpen(settings.value("auto_open", false).toBool());
if (app_) {
app_->collection_model()->set_pretty_covers(settings.value("pretty_covers", true).toBool());
app_->collection_model()->set_show_dividers(settings.value("show_dividers", true).toBool());
}
settings.endGroup();
}
void CollectionView::SetApplication(Application *app) {
app_ = app;
ReloadSettings();
}
void CollectionView::SetFilter(CollectionFilterWidget *filter) { filter_ = filter; }
void CollectionView::TotalSongCountUpdated(int count) {
int old = total_song_count_;
total_song_count_ = count;
if (old != total_song_count_) update();
if (total_song_count_ == 0)
setCursor(Qt::PointingHandCursor);
else
unsetCursor();
emit TotalSongCountUpdated_();
}
void CollectionView::TotalArtistCountUpdated(int count) {
int old = total_artist_count_;
total_artist_count_ = count;
if (old != total_artist_count_) update();
if (total_artist_count_ == 0)
setCursor(Qt::PointingHandCursor);
else
unsetCursor();
emit TotalArtistCountUpdated_();
}
void CollectionView::TotalAlbumCountUpdated(int count) {
int old = total_album_count_;
total_album_count_ = count;
if (old != total_album_count_) update();
if (total_album_count_ == 0)
setCursor(Qt::PointingHandCursor);
else
unsetCursor();
emit TotalAlbumCountUpdated_();
}
void CollectionView::paintEvent(QPaintEvent *event) {
if (total_song_count_ == 0) {
QPainter p(viewport());
QRect rect(viewport()->rect());
// Draw the confused strawberry
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());
p.drawText(title_rect, Qt::AlignHCenter, tr("Your collection is empty!"));
// Draw the other text
p.setFont(QFont());
QRect text_rect(0, title_rect.bottom() + 5, rect.width(), metrics.height());
p.drawText(text_rect, Qt::AlignHCenter, tr("Click here to add some music"));
}
else {
QTreeView::paintEvent(event);
}
}
void CollectionView::mouseReleaseEvent(QMouseEvent *e) {
QTreeView::mouseReleaseEvent(e);
if (total_song_count_ == 0) {
emit ShowConfigDialog();
}
}
void CollectionView::contextMenuEvent(QContextMenuEvent *e) {
if (!context_menu_) {
context_menu_ = new QMenu(this);
add_to_playlist_ = context_menu_->addAction(IconLoader::Load("media-play"), tr("Append to current playlist"), this, SLOT(AddToPlaylist()));
load_ = context_menu_->addAction(IconLoader::Load("media-play"), 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()));
add_to_playlist_enqueue_next_ = context_menu_->addAction(IconLoader::Load("go-next"), tr("Queue to play next"), this, SLOT(AddToPlaylistEnqueueNext()));
context_menu_->addSeparator();
organise_ = context_menu_->addAction(IconLoader::Load("edit-copy"), tr("Organise files..."), this, SLOT(Organise()));
#ifndef Q_OS_WIN
copy_to_device_ = context_menu_->addAction(IconLoader::Load("device"), tr("Copy to device..."), this, SLOT(CopyToDevice()));
#endif
//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()));
context_menu_->addSeparator();
rescan_songs_ = context_menu_->addAction(tr("Rescan song(s)"), this, SLOT(RescanSongs()));
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());
#ifndef Q_OS_WIN
copy_to_device_->setDisabled(app_->device_manager()->connected_devices_model()->rowCount() == 0);
connect(app_->device_manager()->connected_devices_model(), SIGNAL(IsEmptyChanged(bool)), copy_to_device_, SLOT(setDisabled(bool)));
#endif
}
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();
int regular_elements = 0;
int regular_editable = 0;
for (const QModelIndex &index : selected_indexes) {
regular_elements++;
if(app_->collection_model()->data(index, CollectionModel::Role_Editable).toBool()) {
regular_editable++;
}
}
// TODO: check if custom plugin actions should be enabled / visible
const int songs_selected = regular_elements;
const bool regular_elements_only = songs_selected == regular_elements && regular_elements > 0;
// 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);
// if neither edit_track not edit_tracks are available, we show disabled edit_track element
edit_track_->setVisible(regular_editable <= 1);
edit_track_->setEnabled(regular_editable == 1);
rescan_songs_->setVisible(edit_track_->isVisible());
rescan_songs_->setEnabled(true);
organise_->setVisible(regular_elements_only);
#ifndef Q_OS_WIN
copy_to_device_->setVisible(regular_elements_only);
#endif
//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);
#ifndef Q_OS_WIN
copy_to_device_->setEnabled(regular_elements == regular_editable);
#endif
//delete_->setEnabled(regular_elements == regular_editable);
context_menu_->popup(e->globalPos());
}
void CollectionView::ShowInVarious() { ShowInVarious(true); }
void CollectionView::NoShowInVarious() { ShowInVarious(false); }
void CollectionView::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;
for (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_->collection_backend()->GetSongsByAlbum(album);
QSet<QString> other_artists;
for (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) {
for (const QString &s : other_artists) {
albums.insert(album, s);
}
}
}
}
for (const QString &album : QSet<QString>::fromList(albums.keys())) {
app_->collection_backend()->ForceCompilation(album, albums.values(album), on);
}
}
void CollectionView::Load() {
QMimeData *data = model()->mimeData(selectedIndexes());
if (MimeData *mime_data = qobject_cast<MimeData*>(data)) {
mime_data->clear_first_ = true;
}
emit AddToPlaylistSignal(data);
}
void CollectionView::AddToPlaylist() {
emit AddToPlaylistSignal(model()->mimeData(selectedIndexes()));
}
void CollectionView::AddToPlaylistEnqueue() {
QMimeData *data = model()->mimeData(selectedIndexes());
if (MimeData* mime_data = qobject_cast<MimeData*>(data)) {
mime_data->enqueue_now_ = true;
}
emit AddToPlaylistSignal(data);
}
void CollectionView::AddToPlaylistEnqueueNext() {
QMimeData *data = model()->mimeData(selectedIndexes());
if (MimeData *mime_data = qobject_cast<MimeData*>(data)) {
mime_data->enqueue_next_now_ = true;
}
emit AddToPlaylistSignal(data);
}
void CollectionView::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 CollectionView::keyboardSearch(const QString &search) {
is_in_keyboard_search_ = true;
QTreeView::keyboardSearch(search);
is_in_keyboard_search_ = false;
}
void CollectionView::scrollTo(const QModelIndex &index, ScrollHint hint) {
if (is_in_keyboard_search_)
QTreeView::scrollTo(index, QAbstractItemView::PositionAtTop);
else
QTreeView::scrollTo(index, hint);
}
SongList CollectionView::GetSelectedSongs() const {
QModelIndexList selected_indexes = qobject_cast<QSortFilterProxyModel*>(model())->mapSelectionToSource(selectionModel()->selection()).indexes();
return app_->collection_model()->GetChildSongs(selected_indexes);
}
void CollectionView::Organise() {
if (!organise_dialog_)
organise_dialog_.reset(new OrganiseDialog(app_->task_manager(), app_->collection_backend()));
organise_dialog_->SetDestinationModel(app_->collection_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 CollectionView::EditTracks() {
if (!edit_tag_dialog_) {
edit_tag_dialog_.reset(new EditTagDialog(app_, this));
connect(edit_tag_dialog_.get(), SIGNAL(Error(QString)), SLOT(EditTagError(QString)));
}
edit_tag_dialog_->SetSongs(GetSelectedSongs());
edit_tag_dialog_->show();
}
void CollectionView::EditTagError(const QString &message) {
emit Error(message);
}
void CollectionView::RescanSongs() {
app_->collection()->Rescan(GetSelectedSongs());
}
void CollectionView::CopyToDevice() {
#ifndef Q_OS_WIN
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();
#endif
}
void CollectionView::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(CollectionModel::Role_Type) != CollectionItem::Type_Divider) {
setCurrentIndex(idx);
break;
}
}
}
if (!currentIndex().isValid()) return;
emit doubleClicked(currentIndex());
}
void CollectionView::ShowInBrowser() {
SongList songs = GetSelectedSongs();
QList<QUrl> urls;
for (const Song &song : songs) {
urls << song.url();
}
Utilities::OpenInFileBrowser(urls);
}
int CollectionView::TotalSongs() {
return total_song_count_;
}
int CollectionView::TotalArtists() {
return total_artist_count_;
}
int CollectionView::TotalAlbums() {
return total_album_count_;
}
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