strawberry-audio-player-win.../src/widgets/fileview.cpp

280 lines
7.6 KiB
C++

/*
* 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 <stdbool.h>
#include <QWidget>
#include <QUndoStack>
#include <QDir>
#include <QFileInfo>
#include <QFileSystemModel>
#include <QString>
#include <QStringList>
#include <QUrl>
#include <QMessageBox>
#include <QScrollBar>
#include <QLineEdit>
#include <QToolButton>
#include <QtEvents>
#include "core/deletefiles.h"
#include "core/filesystemmusicstorage.h"
#include "core/iconloader.h"
#include "core/mimedata.h"
#include "fileview.h"
#include "fileviewlist.h"
#include "ui_fileview.h"
#ifdef HAVE_GSTREAMER
# include "dialogs/organiseerrordialog.h"
#endif
const char *FileView::kFileFilter =
"*.mp3 *.ogg *.flac *.mpc *.m4a *.aac *.wma "
"*.mp4 *.spx *.wav *.m3u *.m3u8 *.pls *.xspf "
"*.asx *.asxini *.cue *.ape *.wv *.mka *.opus "
"*.oga *.mka *.mp2";
FileView::FileView(QWidget *parent)
: QWidget(parent),
ui_(new Ui_FileView),
model_(nullptr),
undo_stack_(new QUndoStack(this)),
task_manager_(nullptr),
storage_(new FilesystemMusicStorage("/"))
{
ui_->setupUi(this);
// Icons
ui_->back->setIcon(IconLoader::Load("go-previous"));
ui_->forward->setIcon(IconLoader::Load("go-next"));
ui_->home->setIcon(IconLoader::Load("go-home"));
ui_->up->setIcon(IconLoader::Load("go-up"));
connect(ui_->back, SIGNAL(clicked()), undo_stack_, SLOT(undo()));
connect(ui_->forward, SIGNAL(clicked()), undo_stack_, SLOT(redo()));
connect(ui_->home, SIGNAL(clicked()), SLOT(FileHome()));
connect(ui_->up, SIGNAL(clicked()), SLOT(FileUp()));
connect(ui_->path, SIGNAL(textChanged(QString)), SLOT(ChangeFilePath(QString)));
connect(undo_stack_, SIGNAL(canUndoChanged(bool)), ui_->back, SLOT(setEnabled(bool)));
connect(undo_stack_, SIGNAL(canRedoChanged(bool)), ui_->forward, SLOT(setEnabled(bool)));
connect(ui_->list, SIGNAL(activated(QModelIndex)), SLOT(ItemActivated(QModelIndex)));
connect(ui_->list, SIGNAL(doubleClicked(QModelIndex)), SLOT(ItemDoubleClick(QModelIndex)));
connect(ui_->list, SIGNAL(AddToPlaylist(QMimeData*)), SIGNAL(AddToPlaylist(QMimeData*)));
connect(ui_->list, SIGNAL(CopyToCollection(QList<QUrl>)), SIGNAL(CopyToCollection(QList<QUrl>)));
connect(ui_->list, SIGNAL(MoveToCollection(QList<QUrl>)), SIGNAL(MoveToCollection(QList<QUrl>)));
connect(ui_->list, SIGNAL(CopyToDevice(QList<QUrl>)), SIGNAL(CopyToDevice(QList<QUrl>)));
#ifdef HAVE_GSTREAMER
connect(ui_->list, SIGNAL(Delete(QStringList)), SLOT(Delete(QStringList)));
#endif
connect(ui_->list, SIGNAL(EditTags(QList<QUrl>)), SIGNAL(EditTags(QList<QUrl>)));
QString filter(FileView::kFileFilter);
filter_list_ << filter.split(" ");
}
FileView::~FileView() {
delete ui_;
}
void FileView::SetPath(const QString &path) {
if (!model_)
lazy_set_path_ = path;
else
ChangeFilePathWithoutUndo(path);
}
void FileView::SetTaskManager(TaskManager *task_manager) {
task_manager_ = task_manager;
}
void FileView::FileUp() {
QDir dir(model_->rootDirectory());
dir.cdUp();
// Is this the same as going back? If so just go back, so we can keep the view scroll position.
if (undo_stack_->canUndo()) {
const UndoCommand *last_dir = static_cast<const UndoCommand*>(undo_stack_->command(undo_stack_->index()-1));
if (last_dir->undo_path() == dir.path()) {
undo_stack_->undo();
return;
}
}
ChangeFilePath(dir.path());
}
void FileView::FileHome() {
ChangeFilePath(QDir::homePath());
}
void FileView::ChangeFilePath(const QString &new_path_native) {
QString new_path = QDir::fromNativeSeparators(new_path_native);
QFileInfo info(new_path);
if (!info.exists() || !info.isDir())
return;
QString old_path(model_->rootPath());
if (old_path == new_path)
return;
undo_stack_->push(new UndoCommand(this, new_path));
}
void FileView::ChangeFilePathWithoutUndo(const QString &new_path) {
ui_->list->setRootIndex(model_->setRootPath(new_path));
ui_->path->setText(QDir::toNativeSeparators(new_path));
QDir dir(new_path);
ui_->up->setEnabled(dir.cdUp());
emit PathChanged(new_path);
}
void FileView::ItemActivated(const QModelIndex &index) {
if (model_->isDir(index))
ChangeFilePath(model_->filePath(index));
}
void FileView::ItemDoubleClick(const QModelIndex &index) {
if (model_->isDir(index))
return;
QString file_path = model_->filePath(index);
MimeData *data = new MimeData;
data->from_doubleclick_ = true;
data->setUrls(QList<QUrl>() << QUrl::fromLocalFile(file_path));
data->name_for_new_playlist_ = file_path;
emit AddToPlaylist(data);
}
FileView::UndoCommand::UndoCommand(FileView *view, const QString &new_path)
: view_(view) {
old_state_.path = view->model_->rootPath();
old_state_.scroll_pos = view_->ui_->list->verticalScrollBar()->value();
old_state_.index = view_->ui_->list->currentIndex();
new_state_.path = new_path;
}
void FileView::UndoCommand::redo() {
view_->ChangeFilePathWithoutUndo(new_state_.path);
if (new_state_.scroll_pos != -1) {
view_->ui_->list->setCurrentIndex(new_state_.index);
view_->ui_->list->verticalScrollBar()->setValue(new_state_.scroll_pos);
}
}
void FileView::UndoCommand::undo() {
new_state_.scroll_pos = view_->ui_->list->verticalScrollBar()->value();
new_state_.index = view_->ui_->list->currentIndex();
view_->ChangeFilePathWithoutUndo(old_state_.path);
view_->ui_->list->setCurrentIndex(old_state_.index);
view_->ui_->list->verticalScrollBar()->setValue(old_state_.scroll_pos);
}
#ifdef HAVE_GSTREAMER
void FileView::Delete(const QStringList &filenames) {
if (filenames.isEmpty())
return;
if (QMessageBox::warning(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;
DeleteFiles *delete_files = new DeleteFiles(task_manager_, storage_);
connect(delete_files, SIGNAL(Finished(SongList)), SLOT(DeleteFinished(SongList)));
delete_files->Start(filenames);
}
void FileView::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
}
#endif
void FileView::showEvent(QShowEvent *e) {
QWidget::showEvent(e);
if (model_) return;
model_ = new QFileSystemModel(this);
model_->setNameFilters(filter_list_);
// if an item fails the filter, hide it
model_->setNameFilterDisables(false);
ui_->list->setModel(model_);
ChangeFilePathWithoutUndo(QDir::homePath());
if (!lazy_set_path_.isEmpty()) ChangeFilePathWithoutUndo(lazy_set_path_);
}
void FileView::keyPressEvent(QKeyEvent *e) {
switch (e->key()) {
case Qt::Key_Back:
case Qt::Key_Backspace:
ui_->up->click();
break;
case Qt::Key_Enter:
case Qt::Key_Return:
ItemDoubleClick(ui_->list->currentIndex());
break;
}
QWidget::keyPressEvent(e);
}