Files
cantata/models/musiclibrarymodel.cpp
Craig Drummond eff0e66d39 Use AUTOMOC
2018-03-07 19:04:14 +00:00

392 lines
13 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
*
*/
/*
* Copyright (c) 2008 Sander Knopper (sander AT knopper DOT tk) and
* Roeland Douma (roeland AT rullzer DOT com)
*
* This file is part of QtMPC.
*
* QtMPC 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.
*
* QtMPC 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 QtMPC. If not, see <http://www.gnu.org/licenses/>.
*/
#include "musiclibraryitemalbum.h"
#include "musiclibraryitemartist.h"
#include "musiclibraryitemsong.h"
#include "musiclibraryitemroot.h"
#include "musiclibrarymodel.h"
#include "roles.h"
#include "support/utils.h"
#include "widgets/icons.h"
#include "gui/settings.h"
#include <QFile>
#include <QTimer>
#include <QStringRef>
#include <QDateTime>
#include <QDir>
#include <QMimeData>
#include <QStringList>
MusicLibraryModel::MusicLibraryModel(QObject *parent)
: ActionModel(parent)
, rootItem(new MusicLibraryItemRoot)
{
rootItem->setModel(this);
}
MusicLibraryModel::~MusicLibraryModel()
{
delete rootItem;
}
QModelIndex MusicLibraryModel::index(int row, int column, const QModelIndex &parent) const
{
if (!hasIndex(row, column, parent)) {
return QModelIndex();
}
const MusicLibraryItem * parentItem;
if (!parent.isValid()) {
parentItem = rootItem;
} else {
parentItem = static_cast<MusicLibraryItem *>(parent.internalPointer());
}
MusicLibraryItem * const childItem = parentItem->childItem(row);
if (childItem) {
return createIndex(row, column, childItem);
}
return QModelIndex();
}
QModelIndex MusicLibraryModel::parent(const QModelIndex &index) const
{
if (!index.isValid()) {
return QModelIndex();
}
const MusicLibraryItem * const childItem = static_cast<MusicLibraryItem *>(index.internalPointer());
MusicLibraryItem * const parentItem = childItem->parentItem();
if (parentItem == rootItem) {
return QModelIndex();
}
return createIndex(parentItem->row(), 0, parentItem);
}
int MusicLibraryModel::rowCount(const QModelIndex &parent) const
{
if (parent.column() > 0) {
return 0;
}
const MusicLibraryItem *parentItem;
if (!parent.isValid()) {
parentItem = rootItem;
} else {
parentItem = static_cast<MusicLibraryItem *>(parent.internalPointer());
}
return parentItem->childCount();
}
const MusicLibraryItemRoot * MusicLibraryModel::root(const MusicLibraryItem *item) const
{
if (MusicLibraryItem::Type_Root==item->itemType()) {
return static_cast<const MusicLibraryItemRoot *>(item);
}
if (MusicLibraryItem::Type_Artist==item->itemType()) {
return static_cast<const MusicLibraryItemRoot *>(item->parentItem());
}
if (MusicLibraryItem::Type_Album==item->itemType()) {
return static_cast<const MusicLibraryItemRoot *>(item->parentItem()->parentItem());
}
if (MusicLibraryItem::Type_Song==item->itemType()) {
return root(item->parentItem());
}
return nullptr;
}
static QString parentData(const MusicLibraryItem *i)
{
QString data;
const MusicLibraryItem *itm=i;
while (itm->parentItem()) {
if (!itm->parentItem()->data().isEmpty()) {
if (MusicLibraryItem::Type_Root==itm->parentItem()->itemType()) {
data="<b>"+itm->parentItem()->data()+"</b><br/>"+data;
} else {
data=itm->parentItem()->data()+"<br/>"+data;
}
}
itm=itm->parentItem();
}
return data;
}
QVariant MusicLibraryModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
if (Qt::CheckStateRole==role) {
return static_cast<MusicLibraryItem *>(index.internalPointer())->checkState();
}
MusicLibraryItem *item = static_cast<MusicLibraryItem *>(index.internalPointer());
switch (role) {
case Qt::DecorationRole:
switch (item->itemType()) {
case MusicLibraryItem::Type_Root:
return static_cast<MusicLibraryItemRoot *>(item)->icon();
case MusicLibraryItem::Type_Artist:
return Icons::self()->artistIcon;
case MusicLibraryItem::Type_Album:
return Icons::self()->albumIcon(32, true);
case MusicLibraryItem::Type_Song:
return Song::Playlist==static_cast<MusicLibraryItemSong *>(item)->song().type ? Icons::self()->playlistListIcon : Icons::self()->audioListIcon;
default:
return QVariant();
}
case Cantata::Role_BriefMainText:
if (MusicLibraryItem::Type_Album==item->itemType()) {
return item->data();
}
case Cantata::Role_MainText:
case Qt::DisplayRole:
if (MusicLibraryItem::Type_Song==item->itemType()) {
MusicLibraryItemSong *song = static_cast<MusicLibraryItemSong *>(item);
if (Song::Playlist==song->song().type) {
return song->song().isCueFile() ? tr("Cue Sheet") : tr("Playlist");
}
if (MusicLibraryItem::Type_Root==song->parentItem()->itemType()) {
return song->song().trackAndTitleStr();
}
return song->song().trackAndTitleStr();
}
return item->displayData();
case Qt::ToolTipRole:
if (!Settings::self()->infoTooltips()) {
return QVariant();
}
if (MusicLibraryItem::Type_Song==item->itemType()) {
return static_cast<MusicLibraryItemSong *>(item)->song().toolTip();
}
return parentData(item)+
(0==item->childCount()
? item->displayData(true)
: (item->displayData(true)+"<br/>"+data(index, Cantata::Role_SubText).toString()));
case Cantata::Role_SubText:
switch (item->itemType()) {
case MusicLibraryItem::Type_Root: {
MusicLibraryItemRoot *collection=static_cast<MusicLibraryItemRoot *>(item);
if (collection->flat()) {
return tr("%n Track(s)", "", item->childCount());
}
return tr("%n Artist(s)", "", item->childCount());
}
case MusicLibraryItem::Type_Artist:
return tr("%n Album(s)", "", item->childCount());
case MusicLibraryItem::Type_Song:
return Utils::formatTime(static_cast<MusicLibraryItemSong *>(item)->time(), true);
case MusicLibraryItem::Type_Album:
return tr("%n Tracks (%1)", "", static_cast<MusicLibraryItemAlbum *>(item)->trackCount())
.arg(Utils::formatTime(static_cast<MusicLibraryItemAlbum *>(item)->totalTime()));
default: return QVariant();
}
case Cantata::Role_ListImage:
switch (item->itemType()) {
case MusicLibraryItem::Type_Album:
return true;
default:
return false;
}
case Cantata::Role_CoverSong: {
QVariant v;
switch (item->itemType()) {
case MusicLibraryItem::Type_Album:
v.setValue<Song>(static_cast<MusicLibraryItemAlbum *>(item)->coverSong());
break;
case MusicLibraryItem::Type_Artist:
v.setValue<Song>(static_cast<MusicLibraryItemArtist *>(item)->coverSong());
break;
default:
break;
}
return v;
}
case Cantata::Role_TitleText:
if (MusicLibraryItem::Type_Album==item->itemType()) {
return tr("%1 by %2", "Album by Artist").arg(item->data()).arg(item->parentItem()->data());
}
return item->data();
default:
break;
}
return ActionModel::data(index, role);
}
bool MusicLibraryModel::setData(const QModelIndex &idx, const QVariant &value, int role)
{
if (Qt::CheckStateRole==role) {
if (!idx.isValid()) {
return false;
}
MusicLibraryItem *item = static_cast<MusicLibraryItem *>(idx.internalPointer());
Qt::CheckState check=value.toBool() ? Qt::Checked : Qt::Unchecked;
if (item->checkState()==check) {
return false;
}
switch (item->itemType()) {
case MusicLibraryItem::Type_Artist: {
MusicLibraryItemArtist *artistItem=static_cast<MusicLibraryItemArtist *>(item);
QModelIndex artistIndex=index(artistItem->row(), 0, QModelIndex());
item->setCheckState(check);
for (MusicLibraryItem *album: artistItem->childItems()) {
if (check!=album->checkState()) {
MusicLibraryItemAlbum *albumItem=static_cast<MusicLibraryItemAlbum *>(album);
QModelIndex albumIndex=index(albumItem->row(), 0, artistIndex);
album->setCheckState(check);
for (MusicLibraryItem *song: albumItem->childItems()) {
song->setCheckState(check);
}
emit dataChanged(index(0, 0, albumIndex), index(0, albumItem->childCount(), albumIndex));
}
emit dataChanged(index(0, 0, artistIndex), index(0, artistItem->childCount(), artistIndex));
}
emit dataChanged(idx, idx);
break;
}
case MusicLibraryItem::Type_Album: {
MusicLibraryItemArtist *artistItem=static_cast<MusicLibraryItemArtist *>(item->parentItem());
MusicLibraryItemAlbum *albumItem=static_cast<MusicLibraryItemAlbum *>(item);
QModelIndex artistIndex=index(artistItem->row(), 0, QModelIndex());
item->setCheckState(check);
for (MusicLibraryItem *song: albumItem->childItems()) {
song->setCheckState(check);
}
setParentState(artistIndex);
emit dataChanged(idx, idx);
break;
}
case MusicLibraryItem::Type_Song: {
item->setCheckState(check);
MusicLibraryItemAlbum *albumItem=static_cast<MusicLibraryItemAlbum *>(item->parentItem());
MusicLibraryItemArtist *artistItem=static_cast<MusicLibraryItemArtist *>(albumItem->parentItem());
QModelIndex artistIndex=index(artistItem->row(), 0, QModelIndex());
QModelIndex albumIndex=index(albumItem->row(), 0, artistIndex);
setParentState(albumIndex);
setParentState(artistIndex);
emit dataChanged(idx, idx);
break;
}
case MusicLibraryItem::Type_Root:
return false;
}
return true;
}
return ActionModel::setData(idx, value, role);
}
void MusicLibraryModel::setParentState(const QModelIndex &parent)
{
MusicLibraryItemContainer *parentItem=static_cast<MusicLibraryItemContainer *>(parent.internalPointer());
Qt::CheckState parentCheck=parentItem->checkState();
bool haveCheckedChildren=false;
bool haveUncheckedChildren=false;
bool stop=false;
for (MusicLibraryItem *child: parentItem->childItems()) {
switch (child->checkState()) {
case Qt::PartiallyChecked:
parentCheck=Qt::PartiallyChecked;
stop=true;
break;
case Qt::Unchecked:
haveUncheckedChildren=true;
parentCheck=haveCheckedChildren ? Qt::PartiallyChecked : Qt::Unchecked;
stop=haveCheckedChildren && haveUncheckedChildren;
break;
case Qt::Checked:
haveCheckedChildren=true;
parentCheck=haveUncheckedChildren ? Qt::PartiallyChecked : Qt::Checked;
stop=haveCheckedChildren && haveUncheckedChildren;
break;
}
if (stop) {
break;
}
}
if (parentItem->checkState()!=parentCheck) {
parentItem->setCheckState(parentCheck);
emit dataChanged(parent, parent);
}
}
void MusicLibraryModel::clear()
{
beginResetModel();
rootItem->clear();
endResetModel();
}
void MusicLibraryModel::setSongs(const QSet<Song> &songs)
{
rootItem->update(songs);
// for (MusicLibraryItem *artist: rootItem->childItems()) {
// MusicLibraryItemArtist *artistItem=static_cast<MusicLibraryItemArtist *>(artist);
// artistItem->setCheckState(Qt::Checked);
// for (MusicLibraryItem *album: artistItem->childItems()) {
// MusicLibraryItemAlbum *albumItem=static_cast<MusicLibraryItemAlbum *>(album);
// albumItem->setCheckState(Qt::Checked);
// for (MusicLibraryItem *song: albumItem->childItems()) {
// song->setCheckState(Qt::Checked);
// }
// }
// }
}
Qt::ItemFlags MusicLibraryModel::flags(const QModelIndex &index) const
{
if (index.isValid()) {
return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable;
}
return Qt::ItemIsDropEnabled;
}
#include "moc_musiclibrarymodel.cpp"