cfgwadalias.cpp

//------------------------------------------------------------------------------
// cfgwadalias.cpp
//------------------------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301  USA
//
//------------------------------------------------------------------------------
// Copyright (C) 2014 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#include "cfgwadalias.h"
#include "ui_cfgwadalias.h"

#include "configuration/doomseekerconfig.h"
#include "gui/commongui.h"
#include "pathfinder/filealias.h"
#include <QStyle>
#include <QTimer>

DClass<CFGWadAlias> : public Ui::CFGWadAlias
{
public:
        enum Columns
        {
                ColWad,
                ColAliases,
                ColMatchType
        };

        QString matchTypeHelp;
        QTimer resizeTimer;
};

DPointeredNoCopy(CFGWadAlias)

CFGWadAlias::CFGWadAlias(QWidget *parent)
        : ConfigPage(parent)
{
        d->setupUi(this);

        d->resizeTimer.setSingleShot(true);
        d->resizeTimer.setInterval(0);
        connect(&d->resizeTimer, SIGNAL(timeout()), d->table, SLOT(resizeRowsToContents()));

        QHeaderView *header = d->table->horizontalHeader();
        connect(header, SIGNAL(sectionResized(int,int,int)), &d->resizeTimer, SLOT(start()));

        header->resizeSection(PrivData<CFGWadAlias>::ColWad, 150);
        header->setSectionResizeMode(PrivData<CFGWadAlias>::ColAliases, QHeaderView::Stretch);
        header->resizeSection(PrivData<CFGWadAlias>::ColMatchType, 110);

        d->table->sortByColumn(PrivData<CFGWadAlias>::ColWad, Qt::AscendingOrder);

        d->matchTypeHelp = CFGWadAlias::tr("Left-to-Right will use the alias files instead of "
                "the main file but not vice-versa.");
        d->matchTypeHelp += "\n\n";
        d->matchTypeHelp += CFGWadAlias::tr("All Equal will treat all files as equal and try to "
                "match them in any combination.");
}

CFGWadAlias::~CFGWadAlias()
{
}

void CFGWadAlias::addAliasToTable(const FileAlias &alias)
{
        bool wasSortingEnabled = d->table->isSortingEnabled();
        d->table->setSortingEnabled(false);

        int row = findRowWithWad(alias.name());
        if (row < 0)
        {
                row = d->table->rowCount();
                addNewEntry();
                applyAliasToRow(row, alias);
        }
        else
        {
                // Merge.
                FileAlias existingAlias = aliasFromRow(row);
                existingAlias.addAliases(alias.aliases());
                applyAliasToRow(row, existingAlias);
        }

        d->table->setSortingEnabled(wasSortingEnabled);
}

void CFGWadAlias::addDefaults()
{
        QList<FileAlias> aliases = FileAlias::standardWadAliases();
        for (const FileAlias &alias : aliases)
        {
                addAliasToTable(alias);
        }
}

void CFGWadAlias::addNewEntry()
{
        bool wasSortingEnabled = d->table->isSortingEnabled();
        d->table->setSortingEnabled(false);

        int row = d->table->rowCount();
        d->table->insertRow(row);
        d->table->setItem(row, PrivData<CFGWadAlias>::ColWad, new QTableWidgetItem());
        d->table->setItem(row, PrivData<CFGWadAlias>::ColAliases, new QTableWidgetItem());
        mkMatchTypeComboBox(row);

        d->table->setSortingEnabled(wasSortingEnabled);
        resizeRowToContents(row);
}

QList<FileAlias> CFGWadAlias::aliases() const
{
        QList<FileAlias> aliases;
        for (int row = 0; row < d->table->rowCount(); ++row)
        {
                FileAlias alias = aliasFromRow(row);
                if (alias.isValid())
                        aliases << alias;
        }
        return FileAliasList::mergeDuplicates(aliases);
}

FileAlias CFGWadAlias::aliasFromRow(int row) const
{
        FileAlias alias;
        alias.setName(d->table->item(row, PrivData<CFGWadAlias>::ColWad)->text().trimmed());
        QStringList candidateAliases = d->table->item(row, PrivData<CFGWadAlias>::ColAliases)->text().split(";");
        for (const QString &candidateAlias : candidateAliases)
        {
                if (!candidateAlias.trimmed().isEmpty())
                        alias.addAlias(candidateAlias.trimmed());
        }
        auto cboMatchType = qobject_cast<QComboBox *>(d->table->cellWidget(
                row, PrivData<CFGWadAlias>::ColMatchType));
        alias.setMatchType(static_cast<FileAlias::MatchType>(
                cboMatchType->itemData(cboMatchType->currentIndex()).toInt()));
        return alias;
}

void CFGWadAlias::applyAliasToRow(int row, const FileAlias &alias)
{
        d->table->setItem(row, PrivData<CFGWadAlias>::ColWad, toolTipItem(alias.name()));
        d->table->setItem(row, PrivData<CFGWadAlias>::ColAliases, toolTipItem(alias.aliases().join("; ")));

        auto cboMatchType = qobject_cast<QComboBox *>(
                d->table->cellWidget(row, PrivData<CFGWadAlias>::ColMatchType));
        int matchTypeIdx = qMax(0, cboMatchType->findData(alias.matchType()));
        cboMatchType->setCurrentIndex(matchTypeIdx);
}

int CFGWadAlias::findRowWithWad(const QString &wadName)
{
        for (int row = 0; row < d->table->rowCount(); ++row)
        {
                if (d->table->item(row, PrivData<CFGWadAlias>::ColWad)->text().trimmed().compare(
                        wadName.trimmed(), Qt::CaseInsensitive) == 0)
                {
                        return row;
                }
        }
        return -1;
}

QIcon CFGWadAlias::icon() const
{
        return style()->standardIcon(QStyle::SP_DirOpenIcon);
}

QComboBox *CFGWadAlias::mkMatchTypeComboBox(int row)
{
        auto cboMatchType = new QComboBox();
        cboMatchType->setToolTip(d->matchTypeHelp);
        cboMatchType->addItem(tr("Left-to-Right"), FileAlias::LeftToRight);
        cboMatchType->addItem(tr("All Equal"), FileAlias::AllEqual);
        d->table->setCellWidget(row, PrivData<CFGWadAlias>::ColMatchType, cboMatchType);
        return cboMatchType;
}

void CFGWadAlias::readSettings()
{
        bool wasSortingEnabled = d->table->isSortingEnabled();
        d->table->setSortingEnabled(false);

        while (d->table->rowCount() > 0)
        {
                d->table->removeRow(0);
        }
        // Aliases from configuration are guaranteed to be unique.
        QList<FileAlias> aliases = gConfig.doomseeker.wadAliases();
        for (const FileAlias &alias : aliases)
        {
                if (alias.isValid())
                        addAliasToTable(alias);
        }

        d->table->setSortingEnabled(wasSortingEnabled);
}

void CFGWadAlias::removeSelected()
{
        CommonGUI::removeSelectedRowsFromQTableWidget(d->table);
}

void CFGWadAlias::resizeRowsToContents()
{
        #ifdef Q_OS_WIN32
        d->resizeTimer.start();
        #else
        d->table->resizeRowsToContents();
        #endif
}

void CFGWadAlias::resizeRowToContents(int row)
{
        #ifdef Q_OS_WIN32
        resizeRowsToContents(); // resizeRowToContents is not friendly on Windows.
        #else
        d->table->resizeRowToContents(row);
        #endif
}

void CFGWadAlias::saveSettings()
{
        gConfig.doomseeker.setWadAliases(aliases());
}

void CFGWadAlias::showEvent(QShowEvent *event)
{
        Q_UNUSED(event);
        resizeRowsToContents();
}

QTableWidgetItem *CFGWadAlias::toolTipItem(const QString &contents)
{
        auto item = new QTableWidgetItem(contents);
        item->setToolTip(contents);
        return item;
}