224 lines
6.6 KiB
C++
224 lines
6.6 KiB
C++
/* This file is part of Clementine.
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "querywizardplugin.h"
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#include "searchtermwidget.h"
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#include "ui_querysearchpage.h"
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#include "ui_querysortpage.h"
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#include <QWizardPage>
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namespace smart_playlists {
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QueryWizardPlugin::QueryWizardPlugin(LibraryBackend* library, QObject* parent)
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: WizardPlugin(library, parent),
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search_page_(NULL)
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{
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}
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QueryWizardPlugin::~QueryWizardPlugin() {
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}
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QString QueryWizardPlugin::name() const {
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return tr("Library search");
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}
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QString QueryWizardPlugin::description() const {
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return tr("Find songs in your library that match the criteria you specify.");
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}
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int QueryWizardPlugin::CreatePages(QWizard* wizard) {
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// Create the UI
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search_page_ = new SearchPage(wizard);
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QWizardPage* sort_page = new QWizardPage(wizard);
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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(Generator::kDefaultLimit);
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connect(search_page_->ui_->type, SIGNAL(currentIndexChanged(int)), SLOT(SearchTypeChanged()));
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// Create the new search term widget
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search_page_->new_term_ = new SearchTermWidget(library_, search_page_);
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search_page_->new_term_->SetActive(false);
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connect(search_page_->new_term_, SIGNAL(Clicked()), SLOT(AddSearchTerm()));
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// Add an empty initial term
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search_page_->layout_ = static_cast<QVBoxLayout*>(search_page_->ui_->terms_group->layout());
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search_page_->layout_->addWidget(search_page_->new_term_);
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AddSearchTerm();
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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 SearchPreview(search_page_);
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search_page_->preview_->set_library(library_);
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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<SearchTerm::FieldCount ; ++i) {
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const SearchTerm::Field field = SearchTerm::Field(i);
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const QString field_name = SearchTerm::FieldName(field);
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sort_ui_->field_value->addItem(field_name);
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}
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connect(sort_ui_->field_value, SIGNAL(currentIndexChanged(int)), SLOT(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_library(library_);
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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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sort_page->setFinalPage(true);
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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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GeneratorPtr QueryWizardPlugin::CreateGenerator() const {
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// TODO
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return GeneratorPtr();
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}
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void QueryWizardPlugin::UpdateSortOrder() {
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const SearchTerm::Field field =
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SearchTerm::Field(sort_ui_->field_value->currentIndex());
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const SearchTerm::Type type = SearchTerm::TypeOf(field);
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const QString asc = SearchTerm::FieldSortOrderText(type, true);
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const QString desc = SearchTerm::FieldSortOrderText(type, false);
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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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}
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void QueryWizardPlugin::AddSearchTerm() {
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SearchTermWidget* widget =
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new SearchTermWidget(library_, search_page_);
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connect(widget, SIGNAL(RemoveClicked()), SLOT(RemoveSearchTerm()));
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connect(widget, SIGNAL(Changed()), SLOT(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 QueryWizardPlugin::RemoveSearchTerm() {
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SearchTermWidget* widget =
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qobject_cast<SearchTermWidget*>(sender());
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if (!widget)
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return;
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const int index = search_page_->terms_.indexOf(widget);
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if (index == -1)
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return;
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delete search_page_->terms_.takeAt(index);
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UpdateTermPreview();
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}
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void QueryWizardPlugin::UpdateTermPreview() {
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Search search = MakeSearch();
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emit search_page_->completeChanged();
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if (!search.is_valid())
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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 QueryWizardPlugin::UpdateSortPreview() {
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Search search = MakeSearch();
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if (!search.is_valid())
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return;
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sort_ui_->preview->Update(search);
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}
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Search QueryWizardPlugin::MakeSearch() const {
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Search ret;
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// Search type
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ret.search_type_ = Search::SearchType(search_page_->ui_->type->currentIndex());
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// Search terms
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foreach (SearchTermWidget* widget, search_page_->terms_) {
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SearchTerm term = widget->Term();
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if (term.is_valid())
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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_ = Search::Sort_Random;
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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 ? Search::Sort_FieldAsc :
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Search::Sort_FieldDesc;
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ret.sort_field_ = SearchTerm::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 QueryWizardPlugin::SearchTypeChanged() {
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const bool all = search_page_->ui_->type->currentIndex() == 2;
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search_page_->ui_->terms_group->setEnabled(!all);
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UpdateTermPreview();
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}
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QueryWizardPlugin::SearchPage::SearchPage(QWidget* parent)
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: QWizardPage(parent),
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ui_(new Ui_SmartPlaylistQuerySearchPage)
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{
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ui_->setupUi(this);
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}
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bool QueryWizardPlugin::SearchPage::isComplete() const {
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if (ui_->type->currentIndex() == 2) // All songs
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return true;
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foreach (SearchTermWidget* widget, terms_) {
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if (!widget->Term().is_valid())
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return false;
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}
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return true;
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}
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} // namespace smart_playlists
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