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cantata/gui/librarypage.cpp

532 lines
19 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 "librarypage.h"
#include "mpdconnection.h"
#include "covers.h"
#include "musiclibraryitemsong.h"
#include <QtGui/QIcon>
#include <QtGui/QToolButton>
#include <QtGui/QStyledItemDelegate>
#include <QtGui/QStyle>
#include <QtGui/QStyleOptionViewItem>
#ifdef ENABLE_KDE_SUPPORT
#include <KAction>
#include <KLocale>
#include <KActionCollection>
#else
#include <QAction>
#endif
// class LibraryItemDelegate : public QStyledItemDelegate
// {
// static const int constBorder = 6;
//
// public:
// LibraryItemDelegate(QObject *p)
// : QStyledItemDelegate(p))
// {
// }
//
// virtual ~LibraryItemDelegate()
// {
// }
//
// QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
// {
// QSize sz(QStyledItemDelegate::sizeHint(option, index));
// int textHeight = QApplication::fontMetrics().height()*2.2;
//
// return QSize(qMax(sz.width(), MusicLibraryItemAlbum::coverPixels()) + (constBorder * 2),
// qMax((textHeight + constBorder) * 3, sz.height() + (constBorder * 2)));
// }
//
// void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
// {
// if (!index.isValid()) {
// return;
// }
// QApplication::style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, 0L);
//
// MusicLibraryItem *item = static_cast<MusicLibraryItem *>(index.internalPointer());
// QString text = index.data(Qt::DisplayRole).toText();
// int children = index.data(Qt::UserRole).toInt();
// QVariant decoration = index.data(Qt::DecorationRole).toText();
// QPixmap pix;
// QRect r(option.rect);
// QString childType;
//
// if (item) {
// switch (item->type()) {
// case MusicLibraryItem::Type_Artist:
// case MusicLibraryItem::Type_Song:
// pix=decoration.value<QIcon>().pixmap(MusicLibraryItemAlbum::coverPixels(), MusicLibraryItemAlbum::coverPixels());
// break;
// case MusicLibraryItem::Type_Album:
// pix=decoration.value<QPixmap>();
// break;
// }
// }
//
// int x=r.x()+constBorder;
// if (!pix.isNull()) {
// painter->drawPixmap(x, r.y()+((r.height()-pix.height())/2), pix.width(), pix.height(), pix);
// x+=pix.width()+constBorder;
// }
//
// // QFont f(QApplication::font());
// // f.setBold(true);
// // QFontMetrics fm(f);
// // text = fm.elidedText(text, Qt::ElideRight, r.width()-(constBorder+(x-r.x())), QPalette::WindowText);
// //
// // painter->setPen(txtCol);
// // painter->setFont(f);
// // painter->drawText(
//
// QTextDocument doc;
// doc.setFont(QApplication::font());
// QString html=i18n("<b>%1</b></br><small>%2</small>").arg(text).arg(children)
// doc.setHtml(user.toString());
// if ((QVariant::Pixmap == dec.type()) && (QVariant::String == disp.type()) &&
// (QVariant::String == user.type())) {
// m_widget->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option,
// painter, 0L);
//
// QRect r(option.rect);
// QFont fnt(m_widget->font());
// QPalette::ColorGroup cg = option.state & QStyle::State_Enabled ?
// QPalette::Normal : QPalette::Disabled;
// QPixmap pix(dec.value<QPixmap>());
// int textHeight = m_widget->fontMetrics().height();
// int iconPosModX = constBorder + ((KMF::MediaObject::constIconSize -
// pix.width()) / 2);
// int iconPosModY = (option.rect.height() - pix.height()) / 2;
//
// painter->drawPixmap(r.adjusted(iconPosModX, iconPosModY, iconPosModX,
// iconPosModY).topLeft(), pix);
//
// fnt.setBold(true);
//
// painter->setFont(fnt);
//
// if ((QPalette::Normal == cg) && !(option.state & QStyle::State_Active)) {
// cg = QPalette::Inactive;
// }
//
// r.adjust(KMF::MediaObject::constIconSize + (constBorder * 2),
// constBorder + textHeight, -constBorder, -constBorder);
// QColor defColor = option.palette.color(cg, option.state &
// QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text);
// painter->setPen(defColor);
// painter->drawText(r.topLeft(), disp.toString());
//
// // Draw info text. Can be rich text
// r.adjust(0, constBorder, 0, 0);
// QTextDocument doc;
// doc.setDefaultFont(KGlobalSettings::smallestReadableFont());
// doc.setDefaultStyleSheet(QString("body { color: %1; }").arg(defColor.name()));
// doc.setHtml(user.toString());
// painter->save();
// painter->translate(r.topLeft());
// doc.drawContents(painter, QRect(QPoint(0, 0), r.size()));
// painter->restore();
//
// if (option.state & QStyle::State_HasFocus) {
// QStyleOptionFocusRect o;
// o.QStyleOption::operator=(option);
// o.rect = option.rect;
// // m_widget->style()->subElementRect(QStyle::SE_ItemViewItemFocusRect,
// // &option, m_widget);
// o.state |= QStyle::State_KeyboardFocusChange;
// o.state |= QStyle::State_Item;
// cg = option.state &
// QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
// o.backgroundColor = option.palette.color(
// cg, option.state &
// QStyle::State_Selected ? QPalette::Highlight : QPalette::Window);
// m_widget->style()->drawPrimitive(QStyle::PE_FrameFocusRect, &o, painter,
// m_widget);
// }
//
// if (option.state & QStyle::State_MouseOver &&
// kmfApp->project()->mediaObjects()->isValid(index)) {
// KMF::MediaObject *ob = kmfApp->project()->mediaObjects()->at(index);
// QList<QAction *> actions;
//
// ob->actions(&actions);
// r = option.rect;
//
// QSize size(constActionIconSize, constActionIconSize);
// QColor col(Qt::black);
//
// col.setAlphaF(0.35);
//
// }
// } else {
// QStyledItemDelegate::paint(painter, option, index);
// }
// }
// };
LibraryPage::LibraryPage(MainWindow *p)
: QWidget(p)
{
setupUi(this);
#ifdef ENABLE_KDE_SUPPORT
backAction = p->actionCollection()->addAction("back");
backAction->setText(i18n("Back"));
homeAction = p->actionCollection()->addAction("home");
homeAction->setText(i18n("Artists"));
#else
backAction = new QAction(tr("Back"), this);
homeAction = new QAction(tr("Artists"), this);
#endif
backAction->setIcon(QIcon::fromTheme("go-previous"));
homeAction->setIcon(QIcon::fromTheme("view-media-artist"));
addToPlaylist->setDefaultAction(p->addToPlaylistAction);
replacePlaylist->setDefaultAction(p->replacePlaylistAction);
libraryUpdate->setDefaultAction(p->updateDbAction);
backButton->setDefaultAction(backAction);
homeButton->setDefaultAction(homeAction);
addToPlaylist->setAutoRaise(true);
replacePlaylist->setAutoRaise(true);
libraryUpdate->setAutoRaise(true);
backButton->setAutoRaise(true);
homeButton->setAutoRaise(true);
addToPlaylist->setEnabled(false);
replacePlaylist->setEnabled(false);
treeView->setPageDefaults();
treeView->addAction(p->addToPlaylistAction);
treeView->addAction(p->replacePlaylistAction);
listView->addAction(p->addToPlaylistAction);
listView->addAction(p->replacePlaylistAction);
listView->addAction(backAction);
listView->addAction(homeAction);
// listView->setItemDelegate(new LibraryItemDelegate(this));
connect(this, SIGNAL(add(const QStringList &)), MPDConnection::self(), SLOT(add(const QStringList &)));
connect(searchTree, SIGNAL(returnPressed()), this, SLOT(searchItems()));
connect(searchTree, SIGNAL(textChanged(const QString)), this, SLOT(searchItems()));
connect(searchList, SIGNAL(returnPressed()), this, SLOT(searchItems()));
connect(searchList, SIGNAL(textChanged(const QString)), this, SLOT(searchItems()));
connect(genreCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(searchItems()));
connect(MPDConnection::self(), SIGNAL(musicLibraryUpdated(MusicLibraryItemRoot *, QDateTime)), &model, SLOT(updateMusicLibrary(MusicLibraryItemRoot *, QDateTime)));
connect(Covers::self(), SIGNAL(cover(const QString &, const QString &, const QImage &)),
&model, SLOT(setCover(const QString &, const QString &, const QImage &)));
connect(&model, SIGNAL(updateGenres(const QStringList &)), this, SLOT(updateGenres(const QStringList &)));
connect(this, SIGNAL(listAllInfo(const QDateTime &)), MPDConnection::self(), SLOT(listAllInfo(const QDateTime &)));
connect(treeView, SIGNAL(itemsSelected(bool)), addToPlaylist, SLOT(setEnabled(bool)));
connect(treeView, SIGNAL(itemsSelected(bool)), replacePlaylist, SLOT(setEnabled(bool)));
connect(treeView, SIGNAL(activated(const QModelIndex &)), this, SLOT(itemActivated(const QModelIndex &)));
connect(treeView, SIGNAL(doubleClicked(const QModelIndex &)), this, SLOT(itemDoubleClicked(const QModelIndex &)));
connect(listView, SIGNAL(itemsSelected(bool)), addToPlaylist, SLOT(setEnabled(bool)));
connect(listView, SIGNAL(itemsSelected(bool)), replacePlaylist, SLOT(setEnabled(bool)));
connect(listView, SIGNAL(activated(const QModelIndex &)), this, SLOT(itemActivated(const QModelIndex &)));
connect(listView, SIGNAL(doubleClicked(const QModelIndex &)), this, SLOT(itemDoubleClicked(const QModelIndex &)));
connect(backAction, SIGNAL(triggered(bool)), this, SLOT(backActivated()));
connect(homeAction, SIGNAL(triggered(bool)), this, SLOT(homeActivated()));
proxy.setSourceModel(&model);
#ifdef ENABLE_KDE_SUPPORT
searchTree->setPlaceholderText(i18n("Search library..."));
#else
searchTree->setPlaceholderText(tr("Search library..."));
#endif
usingTreeView=false;
setView(true);
}
LibraryPage::~LibraryPage()
{
}
void LibraryPage::setView(bool tree)
{
if (tree==usingTreeView) {
return;
}
usingTreeView=tree;
searchTree->setText(QString());
searchList->setText(QString());
if (tree) {
treeView->setModel(&proxy);
listView->setModel(0);
} else {
homeActivated();
treeView->setModel(0);
listView->setModel(&proxy);
}
stackedWidget->setCurrentIndex(tree ? 0 : 1);
}
void LibraryPage::setLevel(int level, const MusicLibraryItem *i)
{
int cLevel=currentLevel;
currentLevel=level;
backAction->setEnabled(0!=level);
homeAction->setEnabled(0!=level);
if (level>cLevel) {
prevSearch=searchList->text();
searchList->setText(QString());
} else {
searchList->setText(prevSearch);
prevSearch=QString();
}
#ifdef ENABLE_KDE_SUPPORT
switch(level) {
default:
case 0:
searchList->setPlaceholderText(i18n("Search artists..."));
break;
case 1:
if (i) {
searchList->setPlaceholderText(i18n("Search %1 albums...", i->data(0).toString()));
} else {
searchList->setPlaceholderText(i18n("Search albums..."));
}
break;
case 2:
if (i) {
searchList->setPlaceholderText(i18n("Search %1 songs...", i->data(0).toString()));
} else {
searchList->setPlaceholderText(i18n("Search songs..."));
}
break;
}
#else
switch(level) {
default:
case 0:
searchList->setPlaceholderText(tr("Search artists..."));
break;
case 1:
if (i) {
searchList->setPlaceholderText(tr("Search %1 albums...", i->data(0).toString()));
} else {
searchList->setPlaceholderText(tr("Search albums..."));
}
break;
case 2:
if (i) {
searchList->setPlaceholderText(tr("Search %1 songs...", i->data(0).toString()));
} else {
searchList->setPlaceholderText(tr("Search songs..."));
}
break;
}
#endif
}
QAbstractItemView * LibraryPage::view()
{
return usingTreeView ? (QAbstractItemView *)treeView : (QAbstractItemView *)listView;
}
void LibraryPage::refresh(Refresh type)
{
homeActivated();
if (RefreshForce==type) {
model.clearUpdateTime();
}
if (RefreshFromCache!=type || !model.fromXML(MPDStats::self()->dbUpdate())) {
emit listAllInfo(MPDStats::self()->dbUpdate());
}
}
void LibraryPage::clear()
{
model.clear();
homeActivated();
}
void LibraryPage::addSelectionToPlaylist()
{
QStringList files;
MusicLibraryItem *item;
MusicLibraryItemSong *songItem;
// Get selected indexes
const QModelIndexList selected = view()->selectionModel()->selectedIndexes();
int selectionSize = selected.size();
if (selectionSize == 0) {
return;
}
// Loop over the selection. Only add files.
for (int selectionPos = 0; selectionPos < selectionSize; selectionPos++) {
const QModelIndex current = selected.at(selectionPos);
item = static_cast<MusicLibraryItem *>(proxy.mapToSource(current).internalPointer());
switch (item->type()) {
case MusicLibraryItem::Type_Artist: {
for (quint32 i = 0; ; i++) {
const QModelIndex album = current.child(i , 0);
if (!album.isValid())
break;
for (quint32 j = 0; ; j++) {
const QModelIndex track = album.child(j, 0);
if (!track.isValid())
break;
const QModelIndex mappedSongIndex = proxy.mapToSource(track);
songItem = static_cast<MusicLibraryItemSong *>(mappedSongIndex.internalPointer());
const QString fileName = songItem->file();
if (!fileName.isEmpty() && !files.contains(fileName))
files.append(fileName);
}
}
break;
}
case MusicLibraryItem::Type_Album: {
for (quint32 i = 0; ; i++) {
QModelIndex track = current.child(i, 0);
if (!track.isValid())
break;
const QModelIndex mappedSongIndex = proxy.mapToSource(track);
songItem = static_cast<MusicLibraryItemSong *>(mappedSongIndex.internalPointer());
const QString fileName = songItem->file();
if (!fileName.isEmpty() && !files.contains(fileName))
files.append(fileName);
}
break;
}
case MusicLibraryItem::Type_Song: {
const QString fileName = static_cast<MusicLibraryItemSong *>(item)->file();
if (!fileName.isEmpty() && !files.contains(fileName))
files.append(fileName);
break;
}
default:
break;
}
}
if (!files.isEmpty()) {
emit add(files);
view()->selectionModel()->clearSelection();
}
}
void LibraryPage::homeActivated()
{
if (usingTreeView) {
return;
}
setLevel(0);
listView->setRootIndex(QModelIndex());
prevSearch=QString();
searchList->setText(prevSearch);
}
void LibraryPage::backActivated()
{
if (usingTreeView) {
return;
}
setLevel(currentLevel-1, static_cast<MusicLibraryItem *>(proxy.mapToSource(listView->rootIndex().parent()).internalPointer()));
listView->setRootIndex(listView->rootIndex().parent());
}
void LibraryPage::itemActivated(const QModelIndex &index)
{
MusicLibraryItem *item = static_cast<MusicLibraryItem *>(proxy.mapToSource(index).internalPointer());
if (MusicLibraryItem::Type_Song!=item->type()) {
if (usingTreeView) {
treeView->setExpanded(index, !treeView->isExpanded(index));
} else {
setLevel(currentLevel+1, item);
listView->setRootIndex(index);
}
}
}
void LibraryPage::itemDoubleClicked(const QModelIndex &)
{
const QModelIndexList selected = view()->selectionModel()->selectedIndexes();
const QModelIndex current = selected.at(0);
MusicLibraryItem *item = static_cast<MusicLibraryItem *>(proxy.mapToSource(current).internalPointer());
if (MusicLibraryItem::Type_Song==item->type()) {
addSelectionToPlaylist();
}
}
void LibraryPage::searchItems()
{
QString text=usingTreeView ? searchTree->text() : searchList->text();
proxy.setFilterGenre(0==genreCombo->currentIndex() ? QString() : genreCombo->currentText());
proxy.setFilterField(usingTreeView ? 3 : currentLevel);
proxy.setFilterRegExp(text);
}
void LibraryPage::updateGenres(const QStringList &genres)
{
QStringList entries;
#ifdef ENABLE_KDE_SUPPORT
entries << i18n("All Genres");
#else
entries << tr("All Genres");
#endif
entries+=genres;
bool diff=genreCombo->count() != entries.count();
if (!diff) {
// Check items...
for (int i=1; i<genreCombo->count() && !diff; ++i) {
if (genreCombo->itemText(i) != entries.at(i)) {
diff=true;
}
}
}
if (!diff) {
return;
}
QString currentFilter = genreCombo->currentIndex() ? genreCombo->currentText() : QString();
genreCombo->clear();
if (genres.count()<2) {
genreCombo->setCurrentIndex(0);
} else {
genreCombo->addItems(entries);
if (!currentFilter.isEmpty()) {
bool found=false;
for (int i=1; i<genreCombo->count() && !found; ++i) {
if (genreCombo->itemText(i) == currentFilter) {
genreCombo->setCurrentIndex(i);
found=true;
}
}
if (!found) {
genreCombo->setCurrentIndex(0);
}
}
}
}