484 lines
15 KiB
C++
484 lines
15 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program 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, version 3.
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*
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* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "VersionProxyModel.h"
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#include "Application.h"
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#include <QSortFilterProxyModel>
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#include <QPixmapCache>
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#include <Version.h>
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#include <meta/VersionList.h>
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class VersionFilterModel : public QSortFilterProxyModel
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{
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Q_OBJECT
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public:
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VersionFilterModel(VersionProxyModel *parent) : QSortFilterProxyModel(parent)
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{
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m_parent = parent;
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setSortRole(BaseVersionList::SortRole);
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sort(0, Qt::DescendingOrder);
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}
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bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
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{
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const auto &filters = m_parent->filters();
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for (auto it = filters.begin(); it != filters.end(); ++it)
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{
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auto idx = sourceModel()->index(source_row, 0, source_parent);
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auto data = sourceModel()->data(idx, it.key());
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auto match = data.toString();
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if(!it.value()->accepts(match))
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{
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return false;
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}
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}
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return true;
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}
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void filterChanged()
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{
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invalidateFilter();
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}
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private:
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VersionProxyModel *m_parent;
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};
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VersionProxyModel::VersionProxyModel(QObject *parent) : QAbstractProxyModel(parent)
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{
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filterModel = new VersionFilterModel(this);
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connect(filterModel, &QAbstractItemModel::dataChanged, this, &VersionProxyModel::sourceDataChanged);
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connect(filterModel, &QAbstractItemModel::rowsAboutToBeInserted, this, &VersionProxyModel::sourceRowsAboutToBeInserted);
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connect(filterModel, &QAbstractItemModel::rowsInserted, this, &VersionProxyModel::sourceRowsInserted);
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connect(filterModel, &QAbstractItemModel::rowsAboutToBeRemoved, this, &VersionProxyModel::sourceRowsAboutToBeRemoved);
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connect(filterModel, &QAbstractItemModel::rowsRemoved, this, &VersionProxyModel::sourceRowsRemoved);
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// FIXME: implement when needed
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/*
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connect(replacing, &QAbstractItemModel::rowsAboutToBeMoved, this, &VersionProxyModel::sourceRowsAboutToBeMoved);
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connect(replacing, &QAbstractItemModel::rowsMoved, this, &VersionProxyModel::sourceRowsMoved);
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connect(replacing, &QAbstractItemModel::layoutAboutToBeChanged, this, &VersionProxyModel::sourceLayoutAboutToBeChanged);
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connect(replacing, &QAbstractItemModel::layoutChanged, this, &VersionProxyModel::sourceLayoutChanged);
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*/
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connect(filterModel, &QAbstractItemModel::modelAboutToBeReset, this, &VersionProxyModel::sourceAboutToBeReset);
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connect(filterModel, &QAbstractItemModel::modelReset, this, &VersionProxyModel::sourceReset);
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QAbstractProxyModel::setSourceModel(filterModel);
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}
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QVariant VersionProxyModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if(section < 0 || section >= m_columns.size())
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return QVariant();
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if(orientation != Qt::Horizontal)
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return QVariant();
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auto column = m_columns[section];
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if(role == Qt::DisplayRole)
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{
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switch(column)
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{
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case Name:
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return tr("Version");
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case ParentVersion:
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return tr("Minecraft"); //FIXME: this should come from metadata
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case Branch:
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return tr("Branch");
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case Type:
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return tr("Type");
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case Architecture:
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return tr("Architecture");
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case Path:
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return tr("Path");
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case Time:
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return tr("Released");
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}
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}
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else if(role == Qt::ToolTipRole)
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{
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switch(column)
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{
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case Name:
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return tr("The name of the version.");
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case ParentVersion:
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return tr("Minecraft version"); //FIXME: this should come from metadata
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case Branch:
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return tr("The version's branch");
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case Type:
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return tr("The version's type");
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case Architecture:
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return tr("CPU Architecture");
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case Path:
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return tr("Filesystem path to this version");
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case Time:
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return tr("Release date of this version");
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}
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}
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return QVariant();
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}
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QVariant VersionProxyModel::data(const QModelIndex &index, int role) const
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{
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if(!index.isValid())
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{
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return QVariant();
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}
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auto column = m_columns[index.column()];
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auto parentIndex = mapToSource(index);
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switch(role)
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{
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case Qt::DisplayRole:
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{
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switch(column)
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{
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case Name:
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{
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QString version = sourceModel()->data(parentIndex, BaseVersionList::VersionRole).toString();
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if(version == m_currentVersion)
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{
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return tr("%1 (installed)").arg(version);
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}
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return version;
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}
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case ParentVersion:
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return sourceModel()->data(parentIndex, BaseVersionList::ParentVersionRole);
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case Branch:
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return sourceModel()->data(parentIndex, BaseVersionList::BranchRole);
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case Type:
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return sourceModel()->data(parentIndex, BaseVersionList::TypeRole);
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case Architecture:
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return sourceModel()->data(parentIndex, BaseVersionList::ArchitectureRole);
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case Path:
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return sourceModel()->data(parentIndex, BaseVersionList::PathRole);
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case Time:
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return sourceModel()->data(parentIndex, Meta::VersionList::TimeRole).toDate();
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default:
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return QVariant();
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}
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}
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case Qt::ToolTipRole:
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{
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switch(column)
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{
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case Name:
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{
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if(hasRecommended)
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{
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auto value = sourceModel()->data(parentIndex, BaseVersionList::RecommendedRole);
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if(value.toBool())
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{
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return tr("Recommended");
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}
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else if(hasLatest)
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{
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auto value = sourceModel()->data(parentIndex, BaseVersionList::LatestRole);
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if(value.toBool())
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{
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return tr("Latest");
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}
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}
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else if(index.row() == 0)
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{
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return tr("Latest");
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}
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}
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}
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default:
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{
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return sourceModel()->data(parentIndex, BaseVersionList::VersionIdRole);
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}
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}
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}
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case Qt::DecorationRole:
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{
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switch(column)
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{
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case Name:
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{
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if(hasRecommended)
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{
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auto value = sourceModel()->data(parentIndex, BaseVersionList::RecommendedRole);
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if(value.toBool())
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{
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return APPLICATION->getThemedIcon("star");
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}
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else if(hasLatest)
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{
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auto value = sourceModel()->data(parentIndex, BaseVersionList::LatestRole);
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if(value.toBool())
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{
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return APPLICATION->getThemedIcon("bug");
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}
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}
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else if(index.row() == 0)
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{
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return APPLICATION->getThemedIcon("bug");
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}
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QPixmap pixmap;
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QPixmapCache::find("placeholder", &pixmap);
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if(!pixmap)
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{
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QPixmap px(16,16);
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px.fill(Qt::transparent);
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QPixmapCache::insert("placeholder", px);
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return px;
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}
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return pixmap;
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}
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}
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default:
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{
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return QVariant();
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}
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}
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}
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default:
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{
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if(roles.contains((BaseVersionList::ModelRoles)role))
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{
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return sourceModel()->data(parentIndex, role);
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}
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return QVariant();
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}
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}
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}
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QModelIndex VersionProxyModel::parent(const QModelIndex &child) const
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{
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return QModelIndex();
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}
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QModelIndex VersionProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
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{
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if(sourceIndex.isValid())
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{
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return index(sourceIndex.row(), 0);
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}
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return QModelIndex();
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}
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QModelIndex VersionProxyModel::mapToSource(const QModelIndex &proxyIndex) const
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{
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if(proxyIndex.isValid())
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{
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return sourceModel()->index(proxyIndex.row(), 0);
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}
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return QModelIndex();
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}
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QModelIndex VersionProxyModel::index(int row, int column, const QModelIndex &parent) const
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{
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// no trees here... shoo
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if(parent.isValid())
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{
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return QModelIndex();
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}
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if(row < 0 || row >= sourceModel()->rowCount())
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return QModelIndex();
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if(column < 0 || column >= columnCount())
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return QModelIndex();
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return QAbstractItemModel::createIndex(row, column);
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}
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int VersionProxyModel::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : m_columns.size();
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}
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int VersionProxyModel::rowCount(const QModelIndex &parent) const
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{
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if(sourceModel())
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{
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return sourceModel()->rowCount(parent);
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}
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return 0;
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}
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void VersionProxyModel::sourceDataChanged(const QModelIndex &source_top_left,
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const QModelIndex &source_bottom_right)
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{
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if(source_top_left.parent() != source_bottom_right.parent())
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return;
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// whole row is getting changed
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auto topLeft = createIndex(source_top_left.row(), 0);
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auto bottomRight = createIndex(source_bottom_right.row(), columnCount() - 1);
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emit dataChanged(topLeft, bottomRight);
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}
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void VersionProxyModel::setSourceModel(QAbstractItemModel *replacingRaw)
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{
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auto replacing = dynamic_cast<BaseVersionList *>(replacingRaw);
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beginResetModel();
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m_columns.clear();
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if(!replacing)
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{
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roles.clear();
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filterModel->setSourceModel(replacing);
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return;
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}
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roles = replacing->providesRoles();
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if(roles.contains(BaseVersionList::VersionRole))
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{
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m_columns.push_back(Name);
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}
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/*
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if(roles.contains(BaseVersionList::ParentVersionRole))
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{
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m_columns.push_back(ParentVersion);
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}
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*/
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if(roles.contains(BaseVersionList::ArchitectureRole))
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{
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m_columns.push_back(Architecture);
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}
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if(roles.contains(BaseVersionList::PathRole))
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{
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m_columns.push_back(Path);
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}
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if(roles.contains(Meta::VersionList::TimeRole))
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{
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m_columns.push_back(Time);
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}
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if(roles.contains(BaseVersionList::BranchRole))
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{
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m_columns.push_back(Branch);
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}
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if(roles.contains(BaseVersionList::TypeRole))
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{
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m_columns.push_back(Type);
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}
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if(roles.contains(BaseVersionList::RecommendedRole))
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{
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hasRecommended = true;
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}
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if(roles.contains(BaseVersionList::LatestRole))
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{
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hasLatest = true;
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}
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filterModel->setSourceModel(replacing);
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endResetModel();
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}
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QModelIndex VersionProxyModel::getRecommended() const
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{
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if(!roles.contains(BaseVersionList::RecommendedRole))
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{
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return index(0, 0);
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}
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int recommended = 0;
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for (int i = 0; i < rowCount(); i++)
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{
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auto value = sourceModel()->data(mapToSource(index(i, 0)), BaseVersionList::RecommendedRole);
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if (value.toBool())
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{
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recommended = i;
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}
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}
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return index(recommended, 0);
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}
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QModelIndex VersionProxyModel::getVersion(const QString& version) const
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{
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int found = -1;
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for (int i = 0; i < rowCount(); i++)
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{
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auto value = sourceModel()->data(mapToSource(index(i, 0)), BaseVersionList::VersionRole);
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if (value.toString() == version)
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{
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found = i;
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}
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}
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if(found == -1)
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{
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return QModelIndex();
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}
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return index(found, 0);
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}
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void VersionProxyModel::clearFilters()
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{
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m_filters.clear();
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filterModel->filterChanged();
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}
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void VersionProxyModel::setFilter(const BaseVersionList::ModelRoles column, Filter * f)
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{
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m_filters[column].reset(f);
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filterModel->filterChanged();
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}
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const VersionProxyModel::FilterMap &VersionProxyModel::filters() const
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{
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return m_filters;
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}
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void VersionProxyModel::sourceAboutToBeReset()
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{
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beginResetModel();
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}
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void VersionProxyModel::sourceReset()
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{
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endResetModel();
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}
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void VersionProxyModel::sourceRowsAboutToBeInserted(const QModelIndex& parent, int first, int last)
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{
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beginInsertRows(parent, first, last);
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}
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void VersionProxyModel::sourceRowsInserted(const QModelIndex& parent, int first, int last)
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{
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endInsertRows();
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}
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void VersionProxyModel::sourceRowsAboutToBeRemoved(const QModelIndex& parent, int first, int last)
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{
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beginRemoveRows(parent, first, last);
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}
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void VersionProxyModel::sourceRowsRemoved(const QModelIndex& parent, int first, int last)
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{
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endRemoveRows();
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}
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void VersionProxyModel::setCurrentVersion(const QString &version)
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{
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m_currentVersion = version;
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}
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#include "VersionProxyModel.moc"
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