missingwadsdialog.cpp

//------------------------------------------------------------------------------
// missingwadsdialog.cpp
//------------------------------------------------------------------------------
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
//
//------------------------------------------------------------------------------
// Copyright (C) 2015 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#include "missingwadsdialog.h"

#include "ui_missingwadsdialog.h"
#include "gui/mainwindow.h"
#include "gui/wadseekerinterface.h"
#include "serverapi/serverstructs.h"
#include "application.h"
#include <wadseeker/freedoom.h>
#include <wadseeker/wadseeker.h>
#include <QListWidgetItem>

DClass<MissingWadsDialog> : public Ui::MissingWadsDialog
{
public:
        ::MissingWadsDialog::MissingWadsProceed decision;
        QList<PWad> wads;
};
DPointeredNoCopy(MissingWadsDialog)

MissingWadsDialog::MissingWadsDialog(const QList<PWad> &wads, QWidget *parent)
: QDialog(parent)
{
        d->setupUi(this);
        d->decision = Cancel;
        d->wads = wads;

        setup();
        adjustSize();
}

MissingWadsDialog::~MissingWadsDialog()
{
}

void MissingWadsDialog::setAllowIgnore(bool allow)
{
        d->btnIgnore->setVisible(allow);
        d->lblUseIgnore->setVisible(allow);
        d->lblUseIgnoreCantRun->setVisible(allow);
}

void MissingWadsDialog::setup()
{
        d->btnInstallFreedoom->hide();
        if (WadseekerInterface::isInstantiated())
        {
                setupWadseekerIsRunning();
        }
        else
        {
                setupWadseekerNotRunning();
        }
}

void MissingWadsDialog::setupWadseekerIsRunning()
{
        d->areaWadseekerAlreadyRunning->show();
        d->areaWadseekerCanBeRun->hide();
        d->btnInstall->hide();
}

void MissingWadsDialog::setupWadseekerNotRunning()
{
        d->areaWadseekerAlreadyRunning->hide();
        d->areaWadseekerCanBeRun->show();

        setupForbiddenFilesArea();
        setupDownloadableFilesArea();
        setupOptionalFilesArea();

        d->btnInstall->setVisible(hasAnyAllowedFile());
}

void MissingWadsDialog::setupForbiddenFilesArea()
{
        QStringList files = forbiddenFiles();
        if (!files.isEmpty())
        {
                d->areaCantBeDownloaded->show();
                d->lblCantBeDownloadedFiles->setText(files.join(", "));

                bool installFreedoom = isFreedoomReplaceableOnList(files);
                d->lblInstallFreedoom->setVisible(installFreedoom);
                d->btnInstallFreedoom->setVisible(installFreedoom);
        }
        else
        {
                d->areaCantBeDownloaded->hide();
        }
}

void MissingWadsDialog::setupDownloadableFilesArea()
{
        QStringList files = downloadableFiles();
        if (!files.isEmpty())
        {
                d->areaCanBeDownloadedFiles->show();
                d->lblCanBeDownloadedFiles->setText(files.join(", "));
        }
        else
        {
                d->areaCanBeDownloadedFiles->hide();
        }
}

void MissingWadsDialog::setupOptionalFilesArea()
{
        QStringList files = optionalFiles();
        if (!files.isEmpty())
        {
                d->areaOptionalFiles->show();
                foreach (const QString &file, files)
                {
                        QListWidgetItem *item = new QListWidgetItem(file, d->optionalFilesList);
                        item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
                        item->setCheckState(Qt::Checked);
                }
        }
        else
        {
                d->areaOptionalFiles->hide();
        }
}

bool MissingWadsDialog::isFreedoomReplaceableOnList(const QStringList &files) const
{
        foreach (const QString &file, files)
        {
                if (Freedoom::hasFreedoomReplacement(file))
                {
                        return true;
                }
        }
        return false;
}

void MissingWadsDialog::updateStateAccordingToFileSelection()
{
        d->btnInstall->setEnabled(!filesToDownload().isEmpty());
}

void MissingWadsDialog::ignoreMissingFiles()
{
        d->decision = Ignore;
        accept();
}

void MissingWadsDialog::installFreedoom()
{
        QTimer::singleShot(0, gApp->mainWindow(), SLOT(showInstallFreedoomDialog()));
        accept();
}

void MissingWadsDialog::installMissingFiles()
{
        d->decision = Install;
        accept();
}

QStringList MissingWadsDialog::downloadableFiles() const
{
        QStringList result;
        foreach (const PWad &file, d->wads)
        {
                if (!Wadseeker::isForbiddenWad(file.name()) && !file.isOptional())
                {
                        result << file.name();
                }
        }
        return result;
}

QStringList MissingWadsDialog::forbiddenFiles() const
{
        QStringList result;
        foreach (const PWad &file, d->wads)
        {
                if (Wadseeker::isForbiddenWad(file.name()))
                {
                        result << file.name();
                }
        }
        return result;
}

QStringList MissingWadsDialog::optionalFiles() const
{
        QStringList result;
        foreach (const PWad &file, d->wads)
        {
                if (!Wadseeker::isForbiddenWad(file.name()) && file.isOptional())
                {
                        result << file.name();
                }
        }
        return result;
}

QStringList MissingWadsDialog::filesToDownload() const
{
        QStringList result = downloadableFiles();
        result << selectedOptionalFiles();
        return result;
}

QStringList MissingWadsDialog::selectedOptionalFiles() const
{
        QStringList result;
        for (int i = 0; i < d->optionalFilesList->count(); ++i)
        {
                QListWidgetItem *item = d->optionalFilesList->item(i);
                if (item->checkState() == Qt::Checked)
                {
                        result << item->text();
                }
        }
        return result;
}

bool MissingWadsDialog::hasAnyAllowedFile() const
{
        return !downloadableFiles().isEmpty() || !optionalFiles().isEmpty();
}

MissingWadsDialog::MissingWadsProceed MissingWadsDialog::decision() const
{
        return d->decision;
}