filepickwidget.cpp

//------------------------------------------------------------------------------
// filepickwidget.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 "filepickwidget.h"

#include "serverapi/gamefile.h"
#include "ini/inisection.h"
#include "ini/inivariable.h"
#include "pathfinder/pathfind.h"
#include "filefilter.h"
#include "ui_filepickwidget.h"
#include <QFileDialog>
#include <QString>

DClass<FilePickWidget> : public Ui::FilePickWidget
{
public:
        bool changed;
        GameFile file;
        QSharedPointer< ::FilePickWidget::NeighbourStrategy> neighbourStrategy;
};
DPointered(FilePickWidget)

FilePickWidget::FilePickWidget(QWidget *parent)
: QWidget(parent)
{
        d->setupUi(this);
        d->changed = false;
        d->neighbourStrategy = QSharedPointer<NeighbourStrategy>(new NeighbourStrategy);
        d->lblWarning->hide();
        this->connect(d->lePath, SIGNAL(editingFinished()), SLOT(emitPathChangedIfChanged()));
        this->connect(d->lePath, SIGNAL(textEdited(QString)), SLOT(trackEdit()));
}

FilePickWidget::~FilePickWidget()
{
}

void FilePickWidget::browsePath()
{
        QString filepath = QFileDialog::getOpenFileName(this,
                tr("Doomseeker - choose executable file"),
                d->lePath->text(), FileFilter::executableFilesFilter());
        if (!filepath.isEmpty())
        {
                d->lePath->setText(filepath);
                emit pathChanged();
        }
}

void FilePickWidget::findPath()
{
        QFileInfo currentFile = path();
        if (currentFile.isFile() && d->file.isSameFile(currentFile.fileName()))
        {
                return;
        }
        QString path = PathFind::findGameFile(d->neighbourStrategy->neighbours(), d->file);
        if (!path.isEmpty())
        {
                d->lePath->setText(path);
                emit pathChanged();
        }
        else
        {
                emit findFailed();
        }
}

bool FilePickWidget::isEmpty() const
{
        return path().trimmed().isEmpty();
}

void FilePickWidget::setFile(const GameFile &file)
{
        d->file = file;
        d->lblTitle->setText(tr("Path to %1 executable:").arg(file.niceName()));
        d->btnFind->setVisible(canSearch());
}

void FilePickWidget::setNeighbourStrategy(QSharedPointer<NeighbourStrategy> strategy)
{
        d->neighbourStrategy = strategy;
}

QString FilePickWidget::path() const
{
        return d->lePath->text().trimmed();
}

bool FilePickWidget::canSearch() const
{
        return !d->file.fileName().isEmpty();
}

void FilePickWidget::emitPathChangedIfChanged()
{
        if (d->changed)
        {
                d->changed = false;
                emit pathChanged();
        }
}

void FilePickWidget::trackEdit()
{
        d->changed = true;
}

void FilePickWidget::load(const IniSection &cfg)
{
        d->lePath->setText(cfg[d->file.configName()].valueString());
}

void FilePickWidget::save(IniSection &cfg)
{
        cfg[d->file.configName()].setValue(d->lePath->text());
}

bool FilePickWidget::validate()
{
        QString error;

        QFileInfo fileInfo = path();
        if (!path().isEmpty())
        {
                if (error.isEmpty() && !fileInfo.exists())
                {
                        error = tr("File doesn't exist.");
                }

                if (error.isEmpty() && fileInfo.isDir())
                {
                        error = tr("This is a directory.");
                }
        }

        d->lblWarning->setVisible(!error.isEmpty());
        d->lblWarning->setToolTip(error);
        return error.isEmpty();
}