329 lines
11 KiB
C++
329 lines
11 KiB
C++
/* This file is part of Clementine.
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Copyright 2012, David Sansome <me@davidsansome.com>
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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 "globalsearchmodel.h"
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#include <QSortFilterProxyModel>
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#include "core/mimedata.h"
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#include "globalsearch.h"
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#include "ui/iconloader.h"
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GlobalSearchModel::GlobalSearchModel(GlobalSearch* engine, QObject* parent)
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: QStandardItemModel(parent),
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engine_(engine),
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proxy_(nullptr),
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use_pretty_covers_(true),
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artist_icon_(IconLoader::Load("x-clementine-artist", IconLoader::Base)),
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album_icon_(IconLoader::Load("x-clementine-album", IconLoader::Base)) {
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group_by_[0] = LibraryModel::GroupBy_AlbumArtist;
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group_by_[1] = LibraryModel::GroupBy_Album;
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group_by_[2] = LibraryModel::GroupBy_None;
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QIcon nocover = IconLoader::Load("nocover", IconLoader::Other);
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no_cover_icon_ = nocover.pixmap(nocover.availableSizes().last())
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.scaled(LibraryModel::kPrettyCoverSize,
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LibraryModel::kPrettyCoverSize,
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Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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void GlobalSearchModel::AddResults(const SearchProvider::ResultList& results) {
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int sort_index = 0;
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// Create a divider for this provider if we haven't seen it before.
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SearchProvider* provider = results.first().provider_;
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if (!provider_sort_indices_.contains(provider)) {
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// Use the user's preferred order if one was set
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int configured_index = provider_order_.indexOf(provider->id());
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if (configured_index != -1) {
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sort_index = configured_index;
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} else {
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sort_index = next_provider_sort_index_++;
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}
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QStandardItem* divider =
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new QStandardItem(provider->icon(), provider->name());
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divider->setData(true, LibraryModel::Role_IsDivider);
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divider->setData(sort_index, Role_ProviderIndex);
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divider->setFlags(Qt::ItemIsEnabled);
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appendRow(divider);
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provider_sort_indices_[provider] = sort_index;
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} else {
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sort_index = provider_sort_indices_[provider];
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}
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for (const SearchProvider::Result& result : results) {
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QStandardItem* parent = invisibleRootItem();
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// Find (or create) the container nodes for this result if we can.
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if (result.group_automatically_) {
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ContainerKey key;
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key.provider_index_ = sort_index;
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parent = BuildContainers(result.metadata_, parent, &key);
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}
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// Create the item
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QStandardItem* item = new QStandardItem;
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item->setText(result.metadata_.TitleWithCompilationArtist());
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item->setData(QVariant::fromValue(result), Role_Result);
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item->setData(sort_index, Role_ProviderIndex);
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parent->appendRow(item);
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}
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}
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QStandardItem* GlobalSearchModel::BuildContainers(const Song& s,
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QStandardItem* parent,
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ContainerKey* key,
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int level) {
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if (level >= 3) {
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return parent;
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}
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bool has_artist_icon = false;
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bool has_album_icon = false;
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QString display_text;
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QString sort_text;
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int unique_tag = -1;
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int year = 0;
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switch (group_by_[level]) {
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case LibraryModel::GroupBy_Artist:
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if (s.is_compilation()) {
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display_text = tr("Various artists");
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sort_text = "aaaaaa";
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} else {
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display_text = LibraryModel::TextOrUnknown(s.artist());
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sort_text = LibraryModel::SortTextForArtist(s.artist());
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}
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has_artist_icon = true;
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break;
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case LibraryModel::GroupBy_YearAlbum:
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year = qMax(0, s.year());
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display_text = LibraryModel::PrettyYearAlbum(year, s.album());
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sort_text = LibraryModel::SortTextForNumber(year) + s.album();
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unique_tag = s.album_id();
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has_album_icon = true;
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break;
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case LibraryModel::GroupBy_OriginalYearAlbum:
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year = qMax(0, s.effective_originalyear());
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display_text = LibraryModel::PrettyYearAlbum(year, s.album());
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sort_text = LibraryModel::SortTextForNumber(year) + s.album();
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unique_tag = s.album_id();
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has_album_icon = true;
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break;
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case LibraryModel::GroupBy_Year:
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year = qMax(0, s.year());
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display_text = QString::number(year);
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sort_text = LibraryModel::SortTextForNumber(year) + " ";
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break;
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case LibraryModel::GroupBy_OriginalYear:
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year = qMax(0, s.effective_originalyear());
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display_text = QString::number(year);
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sort_text = LibraryModel::SortTextForNumber(year) + " ";
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break;
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case LibraryModel::GroupBy_Composer:
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display_text = s.composer();
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// fallthrough
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case LibraryModel::GroupBy_Performer:
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display_text = s.performer();
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// fallthrough
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case LibraryModel::GroupBy_Disc:
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display_text = s.disc();
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// fallthrough
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case LibraryModel::GroupBy_Grouping:
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display_text = s.grouping();
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// fallthrough
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case LibraryModel::GroupBy_Genre:
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if (display_text.isNull()) display_text = s.genre();
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// fallthrough
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case LibraryModel::GroupBy_Album:
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unique_tag = s.album_id();
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if (display_text.isNull()) {
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display_text = s.album();
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}
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// fallthrough
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case LibraryModel::GroupBy_AlbumArtist:
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if (display_text.isNull()) display_text = s.effective_albumartist();
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display_text = LibraryModel::TextOrUnknown(display_text);
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sort_text = LibraryModel::SortTextForArtist(display_text);
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has_album_icon = true;
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break;
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case LibraryModel::GroupBy_FileType:
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display_text = s.TextForFiletype();
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sort_text = display_text;
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break;
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case LibraryModel::GroupBy_Bitrate:
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display_text = QString(s.bitrate(), 1);
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sort_text = display_text;
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break;
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case LibraryModel::GroupBy_None:
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return parent;
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}
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// Find a container for this level
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key->group_[level] = display_text + QString::number(unique_tag);
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QStandardItem* container = containers_[*key];
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if (!container) {
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container = new QStandardItem(display_text);
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container->setData(key->provider_index_, Role_ProviderIndex);
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container->setData(sort_text, LibraryModel::Role_SortText);
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container->setData(group_by_[level], LibraryModel::Role_ContainerType);
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if (has_artist_icon) {
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container->setIcon(artist_icon_);
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} else if (has_album_icon) {
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if (use_pretty_covers_) {
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container->setData(no_cover_icon_, Qt::DecorationRole);
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} else {
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container->setIcon(album_icon_);
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}
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}
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parent->appendRow(container);
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containers_[*key] = container;
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}
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// Create the container for the next level.
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return BuildContainers(s, container, key, level + 1);
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}
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void GlobalSearchModel::Clear() {
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provider_sort_indices_.clear();
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containers_.clear();
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next_provider_sort_index_ = 1000;
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clear();
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}
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SearchProvider::ResultList GlobalSearchModel::GetChildResults(
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const QModelIndexList& indexes) const {
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QList<QStandardItem*> items;
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for (const QModelIndex& index : indexes) {
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items << itemFromIndex(index);
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}
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return GetChildResults(items);
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}
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SearchProvider::ResultList GlobalSearchModel::GetChildResults(
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const QList<QStandardItem*>& items) const {
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SearchProvider::ResultList results;
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QSet<const QStandardItem*> visited;
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for (QStandardItem* item : items) {
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GetChildResults(item, &results, &visited);
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}
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return results;
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}
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void GlobalSearchModel::GetChildResults(
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const QStandardItem* item, SearchProvider::ResultList* results,
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QSet<const QStandardItem*>* visited) const {
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if (visited->contains(item)) {
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return;
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}
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visited->insert(item);
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// Does this item have children?
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if (item->rowCount()) {
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const QModelIndex parent_proxy_index = proxy_->mapFromSource(item->index());
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// Yes - visit all the children, but do so through the proxy so we get them
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// in the right order.
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for (int i = 0; i < item->rowCount(); ++i) {
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const QModelIndex proxy_index =
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parent_proxy_index.model()->index(i, 0, parent_proxy_index);
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const QModelIndex index = proxy_->mapToSource(proxy_index);
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GetChildResults(itemFromIndex(index), results, visited);
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}
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} else {
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// No - maybe it's a song, add its result if valid
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QVariant result = item->data(Role_Result);
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if (result.isValid()) {
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results->append(result.value<SearchProvider::Result>());
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} else {
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// Maybe it's a provider then?
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bool is_provider;
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const int sort_index = item->data(Role_ProviderIndex).toInt(&is_provider);
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if (is_provider) {
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// Go through all the items (through the proxy to keep them ordered) and
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// add the ones belonging to this provider to our list
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for (int i = 0; i < proxy_->rowCount(invisibleRootItem()->index());
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++i) {
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QModelIndex child_index =
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proxy_->index(i, 0, invisibleRootItem()->index());
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const QStandardItem* child_item =
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itemFromIndex(proxy_->mapToSource(child_index));
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if (child_item->data(Role_ProviderIndex).toInt() == sort_index) {
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GetChildResults(child_item, results, visited);
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}
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}
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}
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}
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}
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}
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QMimeData* GlobalSearchModel::mimeData(const QModelIndexList& indexes) const {
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return engine_->LoadTracks(GetChildResults(indexes));
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}
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namespace {
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void GatherResults(const QStandardItem* parent,
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QMap<SearchProvider*, SearchProvider::ResultList>* results) {
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QVariant result_variant = parent->data(GlobalSearchModel::Role_Result);
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if (result_variant.isValid()) {
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SearchProvider::Result result =
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result_variant.value<SearchProvider::Result>();
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(*results)[result.provider_].append(result);
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}
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for (int i = 0; i < parent->rowCount(); ++i) {
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GatherResults(parent->child(i), results);
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}
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}
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} // namespace
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void GlobalSearchModel::SetGroupBy(const LibraryModel::Grouping& grouping,
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bool regroup_now) {
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const LibraryModel::Grouping old_group_by = group_by_;
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group_by_ = grouping;
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if (regroup_now && group_by_ != old_group_by) {
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// Walk the tree gathering the results we have already
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QMap<SearchProvider*, SearchProvider::ResultList> results;
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GatherResults(invisibleRootItem(), &results);
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// Reset the model and re-add all the results using the new grouping.
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Clear();
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for (const SearchProvider::ResultList& result_list : results) {
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AddResults(result_list);
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}
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}
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}
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