374 lines
12 KiB
C++
374 lines
12 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QApplication>
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#include <QWidget>
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#include <QObject>
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#include <QDataStream>
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#include <QIODevice>
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#include <QAction>
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#include <QActionGroup>
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#include <QByteArray>
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#include <QVariant>
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#include <QString>
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#include <QStringList>
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#include <QRegExp>
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#include <QInputDialog>
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#include <QList>
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#include <QTimer>
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#include <QMenu>
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#include <QSettings>
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#include <QSignalMapper>
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#include <QToolButton>
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#include <QtEvents>
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#include "core/iconloader.h"
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#include "core/song.h"
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#include "collectionmodel.h"
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#include "collectionquery.h"
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#include "savedgroupingmanager.h"
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#include "collectionfilterwidget.h"
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#include "groupbydialog.h"
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#include "ui_collectionfilterwidget.h"
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CollectionFilterWidget::CollectionFilterWidget(QWidget *parent)
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: QWidget(parent),
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ui_(new Ui_CollectionFilterWidget),
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model_(nullptr),
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group_by_dialog_(new GroupByDialog),
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filter_delay_(new QTimer(this)),
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filter_applies_to_model_(true),
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delay_behaviour_(DelayedOnLargeLibraries) {
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ui_->setupUi(this);
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// Add the available fields to the tooltip here instead of the ui file to prevent that they get translated by mistake.
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QString available_fields = Song::kFtsColumns.join(", ").replace(QRegExp("\\bfts"), "");
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ui_->filter->setToolTip(ui_->filter->toolTip().arg(available_fields));
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connect(ui_->filter, SIGNAL(returnPressed()), SIGNAL(ReturnPressed()));
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connect(filter_delay_, SIGNAL(timeout()), SLOT(FilterDelayTimeout()));
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filter_delay_->setInterval(kFilterDelay);
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filter_delay_->setSingleShot(true);
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// Icons
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ui_->options->setIcon(IconLoader::Load("configure"));
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// Filter by age
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QActionGroup *filter_age_group = new QActionGroup(this);
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filter_age_group->addAction(ui_->filter_age_all);
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filter_age_group->addAction(ui_->filter_age_today);
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filter_age_group->addAction(ui_->filter_age_week);
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filter_age_group->addAction(ui_->filter_age_month);
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filter_age_group->addAction(ui_->filter_age_three_months);
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filter_age_group->addAction(ui_->filter_age_year);
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filter_age_menu_ = new QMenu(tr("Show"), this);
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filter_age_menu_->addActions(filter_age_group->actions());
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filter_age_mapper_ = new QSignalMapper(this);
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filter_age_mapper_->setMapping(ui_->filter_age_all, -1);
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filter_age_mapper_->setMapping(ui_->filter_age_today, 60 * 60 * 24);
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filter_age_mapper_->setMapping(ui_->filter_age_week, 60 * 60 * 24 * 7);
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filter_age_mapper_->setMapping(ui_->filter_age_month, 60 * 60 * 24 * 30);
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filter_age_mapper_->setMapping(ui_->filter_age_three_months, 60 * 60 * 24 * 30 * 3);
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filter_age_mapper_->setMapping(ui_->filter_age_year, 60 * 60 * 24 * 365);
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connect(ui_->filter_age_all, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
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connect(ui_->filter_age_today, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
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connect(ui_->filter_age_week, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
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connect(ui_->filter_age_month, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
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connect(ui_->filter_age_three_months, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
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connect(ui_->filter_age_year, SIGNAL(triggered()), filter_age_mapper_, SLOT(map()));
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// "Group by ..."
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group_by_group_ = CreateGroupByActions(this);
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group_by_menu_ = new QMenu(tr("Group by"), this);
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group_by_menu_->addActions(group_by_group_->actions());
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connect(group_by_group_, SIGNAL(triggered(QAction*)), SLOT(GroupByClicked(QAction*)));
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connect(ui_->save_grouping, SIGNAL(triggered()), this, SLOT(SaveGroupBy()));
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connect(ui_->manage_groupings, SIGNAL(triggered()), this, SLOT(ShowGroupingManager()));
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// Collection config menu
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collection_menu_ = new QMenu(tr("Display options"), this);
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collection_menu_->setIcon(ui_->options->icon());
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collection_menu_->addMenu(filter_age_menu_);
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collection_menu_->addMenu(group_by_menu_);
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collection_menu_->addAction(ui_->save_grouping);
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collection_menu_->addAction(ui_->manage_groupings);
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collection_menu_->addSeparator();
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ui_->options->setMenu(collection_menu_);
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connect(ui_->filter, SIGNAL(textChanged(QString)), SLOT(FilterTextChanged(QString)));
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}
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CollectionFilterWidget::~CollectionFilterWidget() { delete ui_; }
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void CollectionFilterWidget::UpdateGroupByActions() {
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if (group_by_group_) {
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disconnect(group_by_group_, 0, 0, 0);
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delete group_by_group_;
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}
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group_by_group_ = CreateGroupByActions(this);
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group_by_menu_->clear();
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group_by_menu_->addActions(group_by_group_->actions());
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connect(group_by_group_, SIGNAL(triggered(QAction*)), SLOT(GroupByClicked(QAction*)));
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if (model_) {
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CheckCurrentGrouping(model_->GetGroupBy());
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}
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}
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QActionGroup *CollectionFilterWidget::CreateGroupByActions(QObject *parent) {
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QActionGroup *ret = new QActionGroup(parent);
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ret->addAction(CreateGroupByAction(tr("Group by Artist"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_Artist)));
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ret->addAction(CreateGroupByAction(tr("Group by Artist/Album"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_Artist, CollectionModel::GroupBy_Album)));
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ret->addAction(CreateGroupByAction(tr("Group by Album artist/Album"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_AlbumArtist, CollectionModel::GroupBy_Album)));
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ret->addAction(CreateGroupByAction(tr("Group by Artist/Year - Album"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_Artist, CollectionModel::GroupBy_YearAlbum)));
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ret->addAction(CreateGroupByAction(tr("Group by Album"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_Album)));
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ret->addAction(CreateGroupByAction(tr("Group by Genre/Album"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_Genre, CollectionModel::GroupBy_Album)));
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ret->addAction(CreateGroupByAction(tr("Group by Genre/Artist/Album"), parent, CollectionModel::Grouping(CollectionModel::GroupBy_Genre, CollectionModel::GroupBy_Artist, CollectionModel::GroupBy_Album)));
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QAction *sep1 = new QAction(parent);
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sep1->setSeparator(true);
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ret->addAction(sep1);
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// read saved groupings
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QSettings s;
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s.beginGroup(CollectionModel::kSavedGroupingsSettingsGroup);
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QStringList saved = s.childKeys();
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for (int i = 0; i < saved.size(); ++i) {
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QByteArray bytes = s.value(saved.at(i)).toByteArray();
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QDataStream ds(&bytes, QIODevice::ReadOnly);
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CollectionModel::Grouping g;
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ds >> g;
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ret->addAction(CreateGroupByAction(saved.at(i), parent, g));
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}
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QAction *sep2 = new QAction(parent);
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sep2->setSeparator(true);
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ret->addAction(sep2);
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ret->addAction(CreateGroupByAction(tr("Advanced grouping..."), parent, CollectionModel::Grouping()));
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return ret;
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}
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QAction *CollectionFilterWidget::CreateGroupByAction(const QString &text, QObject *parent, const CollectionModel::Grouping &grouping) {
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QAction *ret = new QAction(text, parent);
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ret->setCheckable(true);
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if (grouping.first != CollectionModel::GroupBy_None) {
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ret->setProperty("group_by", QVariant::fromValue(grouping));
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}
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return ret;
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}
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void CollectionFilterWidget::SaveGroupBy() {
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QString text = QInputDialog::getText(this, tr("Grouping Name"), tr("Grouping name:"));
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if (!text.isEmpty() && model_) {
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model_->SaveGrouping(text);
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UpdateGroupByActions();
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}
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}
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void CollectionFilterWidget::ShowGroupingManager() {
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if (!groupings_manager_) {
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groupings_manager_.reset(new SavedGroupingManager);
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}
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groupings_manager_->SetFilter(this);
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groupings_manager_->UpdateModel();
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groupings_manager_->show();
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}
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void CollectionFilterWidget::FocusOnFilter(QKeyEvent *event) {
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ui_->filter->setFocus();
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QApplication::sendEvent(ui_->filter, event);
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}
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void CollectionFilterWidget::SetCollectionModel(CollectionModel *model) {
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if (model_) {
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disconnect(model_, 0, this, 0);
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disconnect(model_, 0, group_by_dialog_.get(), 0);
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disconnect(group_by_dialog_.get(), 0, model_, 0);
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disconnect(filter_age_mapper_, 0, model_, 0);
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}
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model_ = model;
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// Connect signals
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connect(model_, SIGNAL(GroupingChanged(CollectionModel::Grouping)), group_by_dialog_.get(), SLOT(CollectionGroupingChanged(CollectionModel::Grouping)));
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connect(model_, SIGNAL(GroupingChanged(CollectionModel::Grouping)), SLOT(GroupingChanged(CollectionModel::Grouping)));
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connect(group_by_dialog_.get(), SIGNAL(Accepted(CollectionModel::Grouping)), model_, SLOT(SetGroupBy(CollectionModel::Grouping)));
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connect(filter_age_mapper_, SIGNAL(mapped(int)), model_, SLOT(SetFilterAge(int)));
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// Load settings
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if (!settings_group_.isEmpty()) {
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QSettings s;
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s.beginGroup(settings_group_);
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model_->SetGroupBy(CollectionModel::Grouping(
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CollectionModel::GroupBy(s.value("group_by1", int(CollectionModel::GroupBy_Artist)).toInt()),
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CollectionModel::GroupBy(s.value("group_by2", int(CollectionModel::GroupBy_Album)).toInt()),
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CollectionModel::GroupBy(s.value("group_by3", int(CollectionModel::GroupBy_None)).toInt())));
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}
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}
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void CollectionFilterWidget::GroupByClicked(QAction *action) {
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if (action->property("group_by").isNull()) {
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group_by_dialog_->show();
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return;
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}
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CollectionModel::Grouping g = action->property("group_by").value<CollectionModel::Grouping>();
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model_->SetGroupBy(g);
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}
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void CollectionFilterWidget::GroupingChanged(const CollectionModel::Grouping &g) {
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if (!settings_group_.isEmpty()) {
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// Save the settings
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QSettings s;
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s.beginGroup(settings_group_);
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s.setValue("group_by1", int(g[0]));
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s.setValue("group_by2", int(g[1]));
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s.setValue("group_by3", int(g[2]));
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}
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// Now make sure the correct action is checked
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CheckCurrentGrouping(g);
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}
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void CollectionFilterWidget::CheckCurrentGrouping(const CollectionModel::Grouping &g) {
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for (QAction *action : group_by_group_->actions()) {
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if (action->property("group_by").isNull()) continue;
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if (g == action->property("group_by").value<CollectionModel::Grouping>()) {
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action->setChecked(true);
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return;
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}
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}
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// Check the advanced action
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group_by_group_->actions().last()->setChecked(true);
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}
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void CollectionFilterWidget::SetFilterHint(const QString &hint) {
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ui_->filter->setPlaceholderText(hint);
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}
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void CollectionFilterWidget::SetQueryMode(QueryOptions::QueryMode query_mode) {
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ui_->filter->clear();
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ui_->filter->setEnabled(query_mode == QueryOptions::QueryMode_All);
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model_->SetFilterQueryMode(query_mode);
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}
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void CollectionFilterWidget::ShowInCollection(const QString &search) {
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ui_->filter->setText(search);
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}
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void CollectionFilterWidget::SetAgeFilterEnabled(bool enabled) {
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filter_age_menu_->setEnabled(enabled);
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}
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void CollectionFilterWidget::SetGroupByEnabled(bool enabled) {
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group_by_menu_->setEnabled(enabled);
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}
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void CollectionFilterWidget::AddMenuAction(QAction *action) {
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collection_menu_->addAction(action);
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}
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void CollectionFilterWidget::keyReleaseEvent(QKeyEvent *e) {
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switch (e->key()) {
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case Qt::Key_Up:
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emit UpPressed();
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e->accept();
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break;
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case Qt::Key_Down:
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emit DownPressed();
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e->accept();
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break;
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case Qt::Key_Escape:
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ui_->filter->clear();
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e->accept();
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break;
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}
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QWidget::keyReleaseEvent(e);
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}
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void CollectionFilterWidget::FilterTextChanged(const QString &text) {
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// Searching with one or two characters can be very expensive on the database even with FTS,
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// so if there are a large number of songs in the database introduce a small delay before actually filtering the model,
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// so if the user is typing the first few characters of something it will be quicker.
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const bool delay = (delay_behaviour_ == AlwaysDelayed) || (delay_behaviour_ == DelayedOnLargeLibraries && !text.isEmpty() && text.length() < 3 && model_->total_song_count() >= 100000);
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if (delay) {
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filter_delay_->start();
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}
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else {
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filter_delay_->stop();
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FilterDelayTimeout();
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}
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}
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void CollectionFilterWidget::FilterDelayTimeout() {
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emit Filter(ui_->filter->text());
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if (filter_applies_to_model_) {
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model_->SetFilterText(ui_->filter->text());
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}
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}
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