QTfrontend/model/ThemeModel.cpp
author Wuzzy <Wuzzy2@mail.ru>
Thu, 25 Apr 2019 23:01:05 +0200
changeset 14839 e239378a9400
parent 14828 8ed0c3761640
child 15066 d75ce53d811e
permissions -rw-r--r--
Prevent entering “/”, “\” and “:” in team and scheme names. The name of teams and schems is saved in the file name itself, so these characters would cause trouble as they are used in path names in Linux and Windows.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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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 2 of the License
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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, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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/**
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 * @file
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 * @brief ThemeModel class implementation
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 */
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#include "physfs.h"
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#include "ThemeModel.h"
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#include "hwconsts.h"
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ThemeModel::ThemeModel(QObject *parent) :
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    QAbstractListModel(parent)
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{
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    m_data = QList<QMap<int, QVariant> >();
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    m_themesLoaded = false;
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    m_filteredNoDLC = NULL;
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    m_filteredNoHidden = NULL;
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    m_filteredNoDLCOrHidden = NULL;
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}
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// Filters out DLC themes, e.g. themes which do not come by default
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ThemeFilterProxyModel * ThemeModel::withoutDLC()
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{
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    if (m_filteredNoDLC == NULL)
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    {
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        m_filteredNoDLC = new ThemeFilterProxyModel(this);
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        m_filteredNoDLC->setSourceModel(this);
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        m_filteredNoDLC->setFilterDLC(true);
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    }
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    return m_filteredNoDLC;
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}
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// Filters out hidden themes, these are themes which are not supposed to be
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// seen by the user.
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ThemeFilterProxyModel * ThemeModel::withoutHidden()
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{
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    if (m_filteredNoHidden == NULL)
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    {
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        m_filteredNoHidden = new ThemeFilterProxyModel(this);
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        m_filteredNoHidden->setSourceModel(this);
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        m_filteredNoHidden->setFilterHidden(true);
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    }
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    return m_filteredNoHidden;
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}
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// Combination of the two above for convenience
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ThemeFilterProxyModel * ThemeModel::withoutDLCOrHidden()
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{
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    if (m_filteredNoDLCOrHidden == NULL)
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    {
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        m_filteredNoDLCOrHidden = new ThemeFilterProxyModel(this);
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        m_filteredNoDLCOrHidden->setSourceModel(this);
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        m_filteredNoDLCOrHidden->setFilterDLC(true);
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        m_filteredNoDLCOrHidden->setFilterHidden(true);
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    }
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    return m_filteredNoDLCOrHidden;
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}
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int ThemeModel::rowCount(const QModelIndex &parent) const
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{
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    if(parent.isValid())
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        return 0;
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    else
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    {
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        if(!m_themesLoaded)
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            loadThemes();
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        return m_data.size();
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    }
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}
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QVariant ThemeModel::data(const QModelIndex &index, int role) const
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{
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    if(index.column() > 0 || index.row() >= m_data.size())
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        return QVariant();
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    else
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    {
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        if(!m_themesLoaded)
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            loadThemes();
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        return m_data.at(index.row()).value(role);
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    }
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}
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void ThemeModel::loadThemes() const
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{
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    qDebug("[LAZINESS] ThemeModel::loadThemes()");
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    m_themesLoaded = true;
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    DataManager & datamgr = DataManager::instance();
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    QStringList themes =
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        datamgr.entryList("Themes", QDir::AllDirs | QDir::NoDotAndDotDot);
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    m_data.clear();
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#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
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    m_data.reserve(themes.size());
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#endif
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    foreach (QString theme, themes)
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    {
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        QMap<int, QVariant> dataset;
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        // Ignore directories without theme.cfg
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        QFile themeCfgFile(QString("physfs://Themes/%1/theme.cfg").arg(theme));
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        if (!themeCfgFile.open(QFile::ReadOnly))
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        {
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            continue;
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        }
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        // themes without icon are supposed to be hidden
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        QString iconpath = QString("physfs://Themes/%1/icon.png").arg(theme);
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        if (!QFile::exists(iconpath))
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        {
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            dataset.insert(IsHiddenRole, true);
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        }
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        else
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        {
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            QTextStream stream(&themeCfgFile);
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            QString line = stream.readLine();
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            QString key;
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            while (!line.isNull())
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            {
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                key = QString(line);
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                int equalsPos = line.indexOf('=');
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                key.truncate(equalsPos - 1);
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                key = key.simplified();
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                if (!line.startsWith(';') && key == "hidden")
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                {
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                    dataset.insert(IsHiddenRole, true);
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                    break;
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                }
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                line = stream.readLine();
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            }
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        }
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        // Themes without land textures are considered "background themes"
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        // since they cannot be used for generated maps, but they can be used
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        // for image maps.
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        QString landtexpath = QString("physfs://Themes/%1/LandTex.png").arg(theme);
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        if (!QFile::exists(landtexpath))
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        {
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            dataset.insert(IsBackgroundThemeRole, true);
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        }
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        // detect if theme is dlc
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        QString themeDir = PHYSFS_getRealDir(QString("Themes/%1").arg(theme).toLocal8Bit().data());
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        bool isDLC = !themeDir.startsWith(datadir->absolutePath());
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        dataset.insert(IsDlcRole, isDLC);
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        // set icon path
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        dataset.insert(IconPathRole, iconpath);
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        // set name
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        dataset.insert(ActualNameRole, theme);
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        // set displayed name
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        dataset.insert(Qt::DisplayRole, (isDLC ? "*" : "") + theme);
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        // load and set preview icon
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        iconpath = QString("physfs://Themes/%1/icon@2x.png").arg(theme);
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        if (QFile::exists(iconpath))
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        {
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            QIcon preview(QString("physfs://Themes/%1/icon@2x.png").arg(theme));
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            dataset.insert(Qt::DecorationRole, preview);
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        }
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        m_data.append(dataset);
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        themeCfgFile.close();
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    }
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}