Files
cantata/gui/playlistspage.cpp

322 lines
12 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "playlistspage.h"
#include "playlistsmodel.h"
#include "mpdconnection.h"
#include <QtGui/QIcon>
#include <QtGui/QToolButton>
#include <QtGui/QInputDialog>
#ifdef ENABLE_KDE_SUPPORT
#include <KAction>
#include <KLocale>
#include <KActionCollection>
#include <KMessageBox>
#else
#include <QtGui/QAction>
#include <QtGui/QMessageBox>
#endif
// Play Queue - for some reason, expects the list in reverse order...
static QStringList reverseList(const QStringList &orig)
{
QStringList rev;
foreach (const QString &s, orig) {
rev.prepend(s);
}
return rev;
}
PlaylistsPage::PlaylistsPage(MainWindow *p)
: QWidget(p)
{
setupUi(this);
#ifdef ENABLE_KDE_SUPPORT
removeAction = p->actionCollection()->addAction("removeplaylist");
removeAction->setText(i18n("Remove"));
renamePlaylistAction = p->actionCollection()->addAction("renameplaylist");
renamePlaylistAction->setText(i18n("Rename"));
#else
removeAction = new QAction(tr("Remove"), this);
renamePlaylistAction = new QAction(tr("Rename"), this);
#endif
removeAction->setIcon(QIcon::fromTheme("list-remove"));
renamePlaylistAction->setIcon(QIcon::fromTheme("edit-rename"));
addToPlaylist->setDefaultAction(p->addToPlaylistAction);
replacePlaylist->setDefaultAction(p->replacePlaylistAction);
libraryUpdate->setDefaultAction(p->updateDbAction);
rem->setDefaultAction(removeAction);
renPlaylist->setDefaultAction(renamePlaylistAction);
connect(view, SIGNAL(itemsSelected(bool)), addToPlaylist, SLOT(setEnabled(bool)));
connect(view, SIGNAL(itemsSelected(bool)), replacePlaylist, SLOT(setEnabled(bool)));
connect(view, SIGNAL(itemsSelected(bool)), rem, SLOT(setEnabled(bool)));
connect(view, SIGNAL(itemsSelected(bool)), renPlaylist, SLOT(setEnabled(bool)));
addToPlaylist->setAutoRaise(true);
replacePlaylist->setAutoRaise(true);
libraryUpdate->setAutoRaise(true);
rem->setAutoRaise(true);
renPlaylist->setAutoRaise(true);
addToPlaylist->setEnabled(false);
replacePlaylist->setEnabled(false);
rem->setEnabled(false);
renPlaylist->setEnabled(false);
#ifdef ENABLE_KDE_SUPPORT
view->setTopText(i18n("Playlists"));
#else
view->setTopText(tr("Playlists"));
#endif
view->addAction(p->addToPlaylistAction);
view->addAction(p->replacePlaylistAction);
view->addAction(removeAction);
view->addAction(renamePlaylistAction);
view->setUniformRowHeights(true);
view->setAcceptDrops(true);
view->setDragDropOverwriteMode(true);
view->setDragDropMode(QAbstractItemView::DragDrop);
proxy.setSourceModel(PlaylistsModel::self());
view->setModel(&proxy);
view->init(p->replacePlaylistAction, p->addToPlaylistAction);
view->setDeleteAction(removeAction);
connect(view, SIGNAL(doubleClicked(const QModelIndex &)), this, SLOT(itemDoubleClicked(const QModelIndex &)));
connect(view, SIGNAL(itemsSelected(bool)), SLOT(selectionChanged()));
connect(view, SIGNAL(searchItems()), this, SLOT(searchItems()));
//connect(this, SIGNAL(add(const QStringList &)), MPDConnection::self(), SLOT(add(const QStringList &)));
connect(this, SIGNAL(loadPlaylist(const QString &)), MPDConnection::self(), SLOT(loadPlaylist(const QString &)));
connect(this, SIGNAL(removePlaylist(const QString &)), MPDConnection::self(), SLOT(removePlaylist(const QString &)));
connect(this, SIGNAL(savePlaylist(const QString &)), MPDConnection::self(), SLOT(savePlaylist(const QString &)));
connect(this, SIGNAL(renamePlaylist(const QString &, const QString &)), MPDConnection::self(), SLOT(renamePlaylist(const QString &, const QString &)));
connect(this, SIGNAL(removeFromPlaylist(const QString &, const QList<int> &)), MPDConnection::self(), SLOT(removeFromPlaylist(const QString &, const QList<int> &)));
connect(removeAction, SIGNAL(activated()), this, SLOT(removeItems()));
connect(p->savePlaylistAction, SIGNAL(activated()), this, SLOT(savePlaylist()));
connect(renamePlaylistAction, SIGNAL(triggered()), this, SLOT(renamePlaylist()));
}
PlaylistsPage::~PlaylistsPage()
{
}
void PlaylistsPage::refresh()
{
PlaylistsModel::self()->getPlaylists();
}
void PlaylistsPage::clear()
{
PlaylistsModel::self()->clear();
}
void PlaylistsPage::addSelectionToPlaylist()
{
addItemsToPlayQueue(view->selectedIndexes());
}
void PlaylistsPage::removeItems()
{
QSet<QString> remPlaylists;
QMap<QString, QList<int> > remSongs;
QModelIndexList selected = view->selectedIndexes();
foreach(const QModelIndex &index, selected) {
if(index.isValid()) {
QModelIndex realIndex(proxy.mapToSource(index));
if(realIndex.isValid()) {
PlaylistsModel::Item *item=static_cast<PlaylistsModel::Item *>(realIndex.internalPointer());
if(item->isPlaylist()) {
PlaylistsModel::PlaylistItem *pl=static_cast<PlaylistsModel::PlaylistItem *>(item);
remPlaylists.insert(pl->name);
if (remSongs.contains(pl->name)) {
remSongs.remove(pl->name);
}
} else {
PlaylistsModel::SongItem *song=static_cast<PlaylistsModel::SongItem *>(item);
remSongs[song->parent->name].append(song->parent->songs.indexOf(song));
}
}
}
}
// Should not happen!
if (remPlaylists.isEmpty() && remSongs.isEmpty()) {
return;
}
#ifdef ENABLE_KDE_SUPPORT
if (KMessageBox::No==KMessageBox::warningYesNo(this, i18n("Are you sure you wish to remove the selected items?"), i18n("Remove?"))) {
return;
}
#else
if (QMessageBox::No==QMessageBox::warning(this, tr("Remove?"), tr("Are you sure you wish to remove the selected items?"),
QMessageBox::Yes|QMessageBox::No, QMessageBox::No)) {
return;
}
#endif
foreach (const QString &pl, remPlaylists) {
emit removePlaylist(pl);
}
QMap<QString, QList<int> >::ConstIterator it=remSongs.constBegin();
QMap<QString, QList<int> >::ConstIterator end=remSongs.constEnd();
for (; it!=end; ++it) {
emit removeFromPlaylist(it.key(), it.value());
}
}
void PlaylistsPage::savePlaylist()
{
#ifdef ENABLE_KDE_SUPPORT
QString name = QInputDialog::getText(this, i18n("Playlist Name"), i18n("Enter a name for the playlist:"));
#else
QString name = QInputDialog::getText(this, tr("Playlist Name"), tr("Enter a name for the playlist:"));
#endif
if (!name.isEmpty()) {
if (PlaylistsModel::self()->exists(name)) {
#ifdef ENABLE_KDE_SUPPORT
if (KMessageBox::No==KMessageBox::warningYesNo(this, i18n("A playlist named <b>%1</b> already exists!<br/>Overwrite?").arg(name), i18n("Overwrite Playlist?"))) {
#else
if (QMessageBox::No==QMessageBox::warning(this, tr("Overwrite Playlist?"), tr("A playlist named <b>%1</b> already exists!<br/>Overwrite?").arg(name),
QMessageBox::Yes|QMessageBox::No, QMessageBox::No)) {
#endif
return;
}
else {
emit removePlaylist(name);
}
}
emit savePlaylist(name);
}
}
void PlaylistsPage::renamePlaylist()
{
const QModelIndexList items = view->selectedIndexes();
if (items.size() == 1) {
QModelIndex sourceIndex = proxy.mapToSource(items.first());
QString name = PlaylistsModel::self()->data(sourceIndex, Qt::DisplayRole).toString();
#ifdef ENABLE_KDE_SUPPORT
QString newName = QInputDialog::getText(this, i18n("Rename Playlist"), i18n("Enter new name for playlist: %1").arg(name));
#else
QString newName = QInputDialog::getText(this, tr("Rename Playlist"), tr("Enter new name for playlist: %1").arg(name));
#endif
if (!newName.isEmpty()) {
if (PlaylistsModel::self()->exists(newName)) {
#ifdef ENABLE_KDE_SUPPORT
if (KMessageBox::No==KMessageBox::warningYesNo(this, i18n("A playlist named <b>%1</b> already exists!<br/>Overwrite?").arg(newName), i18n("Overwrite Playlist?"))) {
#else
if (QMessageBox::No==QMessageBox::warning(this, tr("Overwrite Playlist?"), tr("A playlist named <b>%1</b> already exists!<br/>Overwrite?").arg(newName),
QMessageBox::Yes|QMessageBox::No, QMessageBox::No)) {
#endif
return;
}
else {
emit removePlaylist(newName);
}
}
emit renamePlaylist(name, newName);
}
}
}
void PlaylistsPage::itemDoubleClicked(const QModelIndex &index)
{
QModelIndexList indexes;
indexes.append(index);
addItemsToPlayQueue(indexes);
}
void PlaylistsPage::addItemsToPlayQueue(const QModelIndexList &indexes)
{
QStringList filenames;
// If we only have 1 item selected, see if it is a playlist. If so, we might be able to
// jsut ask MPD to load it...
if (1==indexes.count()) {
QModelIndex idx=proxy.mapToSource(*(indexes.begin()));
PlaylistsModel::Item *item=static_cast<PlaylistsModel::Item *>(idx.internalPointer());
if (item->isPlaylist()) {
bool loadable=true;
foreach (const PlaylistsModel::SongItem *s, static_cast<PlaylistsModel::PlaylistItem*>(item)->songs) {
if (s->file.startsWith("http:/")) {
loadable=false; // Can't just load playlist, might need to parse HTTP...
}
filenames << s->file;
}
if (loadable) {
emit loadPlaylist(static_cast<PlaylistsModel::PlaylistItem*>(item)->name);;
} else {
emit add(reverseList(filenames));
}
view->clearSelection();
return;
}
}
QSet<PlaylistsModel::Item *> selectedPlaylists;
foreach(QModelIndex index, indexes) {
QModelIndex idx=proxy.mapToSource(index);
PlaylistsModel::Item *item=static_cast<PlaylistsModel::Item *>(idx.internalPointer());
if (item->isPlaylist()) {
selectedPlaylists.insert(item);
foreach (const PlaylistsModel::SongItem *s, static_cast<PlaylistsModel::PlaylistItem*>(item)->songs) {
filenames << s->file;
}
} else if (!selectedPlaylists.contains(static_cast<PlaylistsModel::SongItem*>(item)->parent)) {
filenames << static_cast<PlaylistsModel::SongItem*>(item)->file;
}
}
view->clearSelection();
emit add(reverseList(filenames));
}
void PlaylistsPage::selectionChanged()
{
QModelIndexList selected=view->selectedIndexes();
bool enable=false;
if (1==selected.count()) {
QModelIndex index = proxy.mapToSource(selected.first());
PlaylistsModel::Item *item=static_cast<PlaylistsModel::Item *>(index.internalPointer());
if (item && item->isPlaylist()) {
enable=true;
}
}
renamePlaylistAction->setEnabled(enable);
renPlaylist->setEnabled(enable);
}
void PlaylistsPage::searchItems()
{
proxy.setFilterRegExp(view->searchText());
}