328 lines
12 KiB
C++
328 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 <QWizardPage>
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#include <QList>
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#include <QString>
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#include <QVBoxLayout>
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#include <QScrollBar>
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#include "core/logging.h"
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#include "playlistquerygenerator.h"
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#include "smartplaylistquerywizardplugin.h"
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#include "smartplaylistsearchtermwidget.h"
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#include "ui_smartplaylistquerysearchpage.h"
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#include "ui_smartplaylistquerysortpage.h"
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class SmartPlaylistQueryWizardPlugin::SearchPage : public QWizardPage {
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friend class SmartPlaylistQueryWizardPlugin;
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public:
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SearchPage(QWidget *parent = 0)
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: QWizardPage(parent), ui_(new Ui_SmartPlaylistQuerySearchPage) {
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ui_->setupUi(this);
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}
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bool isComplete() const override {
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if (ui_->type->currentIndex() == 2) // All songs
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return true;
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for (SmartPlaylistSearchTermWidget *widget : terms_) {
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if (!widget->Term().is_valid()) return false;
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}
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return true;
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}
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QVBoxLayout *layout_;
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QList<SmartPlaylistSearchTermWidget*> terms_;
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SmartPlaylistSearchTermWidget *new_term_;
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SmartPlaylistSearchPreview *preview_;
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std::unique_ptr<Ui_SmartPlaylistQuerySearchPage> ui_;
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};
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class SmartPlaylistQueryWizardPlugin::SortPage : public QWizardPage {
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public:
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SortPage(SmartPlaylistQueryWizardPlugin *plugin, QWidget *parent, int next_id)
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: QWizardPage(parent), next_id_(next_id), plugin_(plugin) {}
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void showEvent(QShowEvent*) override { plugin_->UpdateSortPreview(); }
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int nextId() const override { return next_id_; }
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int next_id_;
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SmartPlaylistQueryWizardPlugin *plugin_;
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};
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SmartPlaylistQueryWizardPlugin::SmartPlaylistQueryWizardPlugin(Application *app, CollectionBackend *collection, QObject *parent)
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: SmartPlaylistWizardPlugin(app, collection, parent),
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search_page_(nullptr),
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previous_scrollarea_max_(0) {}
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SmartPlaylistQueryWizardPlugin::~SmartPlaylistQueryWizardPlugin() {}
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QString SmartPlaylistQueryWizardPlugin::name() const { return tr("Collection search"); }
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QString SmartPlaylistQueryWizardPlugin::description() const {
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return tr("Find songs in your collection that match the criteria you specify.");
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}
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int SmartPlaylistQueryWizardPlugin::CreatePages(QWizard *wizard, int finish_page_id) {
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// Create the UI
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search_page_ = new SearchPage(wizard);
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QWizardPage *sort_page = new SortPage(this, wizard, finish_page_id);
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sort_ui_.reset(new Ui_SmartPlaylistQuerySortPage);
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sort_ui_->setupUi(sort_page);
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sort_ui_->limit_value->setValue(PlaylistGenerator::kDefaultLimit);
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QObject::connect(search_page_->ui_->type, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &SmartPlaylistQueryWizardPlugin::SearchTypeChanged);
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// Create the new search term widget
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search_page_->new_term_ = new SmartPlaylistSearchTermWidget(collection_, search_page_);
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search_page_->new_term_->SetActive(false);
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QObject::connect(search_page_->new_term_, &SmartPlaylistSearchTermWidget::Clicked, this, &SmartPlaylistQueryWizardPlugin::AddSearchTerm);
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// Add an empty initial term
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search_page_->layout_ = static_cast<QVBoxLayout*>(search_page_->ui_->terms_scroll_area_content->layout());
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search_page_->layout_->addWidget(search_page_->new_term_);
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AddSearchTerm();
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// Ensure that the terms are scrolled to the bottom when a new one is added
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QObject::connect(search_page_->ui_->terms_scroll_area->verticalScrollBar(), &QScrollBar::rangeChanged, this, &SmartPlaylistQueryWizardPlugin::MoveTermListToBottom);
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// Add the preview widget at the bottom of the search terms page
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QVBoxLayout *terms_page_layout = static_cast<QVBoxLayout*>(search_page_->layout());
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terms_page_layout->addStretch();
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search_page_->preview_ = new SmartPlaylistSearchPreview(search_page_);
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search_page_->preview_->set_application(app_);
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search_page_->preview_->set_collection(collection_);
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terms_page_layout->addWidget(search_page_->preview_);
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// Add sort field texts
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for (int i = 0; i < SmartPlaylistSearchTerm::FieldCount; ++i) {
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const SmartPlaylistSearchTerm::Field field = SmartPlaylistSearchTerm::Field(i);
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const QString field_name = SmartPlaylistSearchTerm::FieldName(field);
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sort_ui_->field_value->addItem(field_name);
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}
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QObject::connect(sort_ui_->field_value, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &SmartPlaylistQueryWizardPlugin::UpdateSortOrder);
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UpdateSortOrder();
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// Set the sort and limit radio buttons back to their defaults - they would
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// have been changed by setupUi
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sort_ui_->random->setChecked(true);
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sort_ui_->limit_none->setChecked(true);
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// Set up the preview widget that's already at the bottom of the sort page
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sort_ui_->preview->set_application(app_);
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sort_ui_->preview->set_collection(collection_);
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QObject::connect(sort_ui_->field, &QRadioButton::toggled, this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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QObject::connect(sort_ui_->field_value, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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QObject::connect(sort_ui_->limit_limit, &QRadioButton::toggled, this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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QObject::connect(sort_ui_->limit_none, &QRadioButton::toggled, this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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QObject::connect(sort_ui_->limit_value, QOverload<int>::of(&QSpinBox::valueChanged), this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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QObject::connect(sort_ui_->order, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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QObject::connect(sort_ui_->random, &QRadioButton::toggled, this, &SmartPlaylistQueryWizardPlugin::UpdateSortPreview);
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// Configure the page text
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search_page_->setTitle(tr("Search terms"));
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search_page_->setSubTitle(tr("A song will be included in the playlist if it matches these conditions."));
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sort_page->setTitle(tr("Search options"));
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sort_page->setSubTitle(tr("Choose how the playlist is sorted and how many songs it will contain."));
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// Add the pages
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const int first_page = wizard->addPage(search_page_);
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wizard->addPage(sort_page);
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return first_page;
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}
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void SmartPlaylistQueryWizardPlugin::SetGenerator(PlaylistGeneratorPtr g) {
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std::shared_ptr<PlaylistQueryGenerator> gen = std::dynamic_pointer_cast<PlaylistQueryGenerator>(g);
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if (!gen) return;
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SmartPlaylistSearch search = gen->search();
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// Search type
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search_page_->ui_->type->setCurrentIndex(search.search_type_);
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// Search terms
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qDeleteAll(search_page_->terms_);
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search_page_->terms_.clear();
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for (const SmartPlaylistSearchTerm &term : search.terms_) {
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AddSearchTerm();
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search_page_->terms_.last()->SetTerm(term);
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}
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// Sort order
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if (search.sort_type_ == SmartPlaylistSearch::Sort_Random) {
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sort_ui_->random->setChecked(true);
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}
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else {
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sort_ui_->field->setChecked(true);
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sort_ui_->order->setCurrentIndex(
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search.sort_type_ == SmartPlaylistSearch::Sort_FieldAsc ? 0 : 1);
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sort_ui_->field_value->setCurrentIndex(search.sort_field_);
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}
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// Limit
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if (search.limit_ == -1) {
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sort_ui_->limit_none->setChecked(true);
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}
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else {
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sort_ui_->limit_limit->setChecked(true);
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sort_ui_->limit_value->setValue(search.limit_);
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}
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}
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PlaylistGeneratorPtr SmartPlaylistQueryWizardPlugin::CreateGenerator() const {
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std::shared_ptr<PlaylistQueryGenerator> gen(new PlaylistQueryGenerator);
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gen->Load(MakeSearch());
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return std::static_pointer_cast<PlaylistGenerator>(gen);
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}
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void SmartPlaylistQueryWizardPlugin::UpdateSortOrder() {
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const SmartPlaylistSearchTerm::Field field = SmartPlaylistSearchTerm::Field(sort_ui_->field_value->currentIndex());
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const SmartPlaylistSearchTerm::Type type = SmartPlaylistSearchTerm::TypeOf(field);
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const QString asc = SmartPlaylistSearchTerm::FieldSortOrderText(type, true);
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const QString desc = SmartPlaylistSearchTerm::FieldSortOrderText(type, false);
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const int old_current_index = sort_ui_->order->currentIndex();
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sort_ui_->order->clear();
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sort_ui_->order->addItem(asc);
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sort_ui_->order->addItem(desc);
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sort_ui_->order->setCurrentIndex(old_current_index);
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}
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void SmartPlaylistQueryWizardPlugin::AddSearchTerm() {
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SmartPlaylistSearchTermWidget *widget = new SmartPlaylistSearchTermWidget(collection_, search_page_);
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QObject::connect(widget, &SmartPlaylistSearchTermWidget::RemoveClicked, this, &SmartPlaylistQueryWizardPlugin::RemoveSearchTerm);
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QObject::connect(widget, &SmartPlaylistSearchTermWidget::Changed, this, &SmartPlaylistQueryWizardPlugin::UpdateTermPreview);
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search_page_->layout_->insertWidget(search_page_->terms_.count(), widget);
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search_page_->terms_ << widget;
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UpdateTermPreview();
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}
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void SmartPlaylistQueryWizardPlugin::RemoveSearchTerm() {
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SmartPlaylistSearchTermWidget *widget = qobject_cast<SmartPlaylistSearchTermWidget*>(sender());
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if (!widget) return;
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const int index = search_page_->terms_.indexOf(widget);
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if (index == -1) return;
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search_page_->terms_.takeAt(index)->deleteLater();
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UpdateTermPreview();
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}
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void SmartPlaylistQueryWizardPlugin::UpdateTermPreview() {
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SmartPlaylistSearch search = MakeSearch();
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emit search_page_->completeChanged();
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// When removing last term, update anyway the search
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if (!search.is_valid() && !search_page_->terms_.isEmpty()) return;
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// Don't apply limits in the term page
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search.limit_ = -1;
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search_page_->preview_->Update(search);
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}
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void SmartPlaylistQueryWizardPlugin::UpdateSortPreview() {
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SmartPlaylistSearch search = MakeSearch();
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if (!search.is_valid()) return;
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sort_ui_->preview->Update(search);
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}
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SmartPlaylistSearch SmartPlaylistQueryWizardPlugin::MakeSearch() const {
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SmartPlaylistSearch ret;
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// Search type
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ret.search_type_ = SmartPlaylistSearch::SearchType(search_page_->ui_->type->currentIndex());
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// Search terms
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for (SmartPlaylistSearchTermWidget *widget : search_page_->terms_) {
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SmartPlaylistSearchTerm term = widget->Term();
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if (term.is_valid()) ret.terms_ << term;
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}
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// Sort order
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if (sort_ui_->random->isChecked()) {
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ret.sort_type_ = SmartPlaylistSearch::Sort_Random;
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}
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else {
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const bool ascending = sort_ui_->order->currentIndex() == 0;
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ret.sort_type_ = ascending ? SmartPlaylistSearch::Sort_FieldAsc : SmartPlaylistSearch::Sort_FieldDesc;
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ret.sort_field_ = SmartPlaylistSearchTerm::Field(sort_ui_->field_value->currentIndex());
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}
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// Limit
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if (sort_ui_->limit_none->isChecked())
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ret.limit_ = -1;
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else
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ret.limit_ = sort_ui_->limit_value->value();
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return ret;
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}
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void SmartPlaylistQueryWizardPlugin::SearchTypeChanged() {
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const bool all = search_page_->ui_->type->currentIndex() == 2;
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search_page_->ui_->terms_scroll_area_content->setEnabled(!all);
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UpdateTermPreview();
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}
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void SmartPlaylistQueryWizardPlugin::MoveTermListToBottom(int min, int max) {
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Q_UNUSED(min);
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// Only scroll to the bottom if a new term is added
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if (previous_scrollarea_max_ < max)
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search_page_->ui_->terms_scroll_area->verticalScrollBar()->setValue(max);
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previous_scrollarea_max_ = max;
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}
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