1 /*

     2  * Hedgewars, a free turn based strategy game

     3  * Copyright (c) 2011 Andrey Korotaev <unC0Rr@gmail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

    17  */

    18 

    19 #include <QFile>

    20 #include <QMessageBox>

    21 #include <QEvent>

    22 

    23 #include "drawmapwidget.h"

    24 

    25 DrawMapWidget::DrawMapWidget(QWidget *parent) :

    26     QWidget(parent),

    27     ui(new Ui::DrawMapWidget)

    28 {

    29     ui->setupUi(this);

    30 

    31     m_scene = 0;

    32 }

    33 

    34 DrawMapWidget::~DrawMapWidget()

    35 {

    36     delete ui;

    37 }

    38 

    39 void DrawMapWidget::changeEvent(QEvent *e)

    40 {

    41     QWidget::changeEvent(e);

    42     switch (e->type()) {

    43     case QEvent::LanguageChange:

    44         ui->retranslateUi(this);

    45         break;

    46     default:

    47         break;

    48     }

    49 }

    50 

    51 void DrawMapWidget::setScene(DrawMapScene * scene)

    52 {

    53     ui->graphicsView->setScene(scene);

    54     m_scene = scene;

    55 }

    56 

    57 void DrawMapWidget::resizeEvent(QResizeEvent * event)

    58 {

    59     Q_UNUSED(event);

    60 

    61     if(ui->graphicsView && ui->graphicsView->scene())

    62         ui->graphicsView->fitInView(ui->graphicsView->scene()->sceneRect(), Qt::KeepAspectRatio);

    63 }

    64 

    65 void DrawMapWidget::showEvent(QShowEvent * event)

    66 {

    67     Q_UNUSED(event);

    68 

    69     resizeEvent(0);

    70 }

    71 

    72 void DrawMapWidget::undo()

    73 {

    74     if(m_scene) m_scene->undo();

    75 }

    76 

    77 void DrawMapWidget::clear()

    78 {

    79     if(m_scene) m_scene->clearMap();

    80 }

    81 

    82 void DrawMapWidget::save(const QString & fileName)

    83 {

    84     if(m_scene)

    85     {

    86         QFile file(fileName);

    87 

    88         if(!file.open(QIODevice::WriteOnly))

    89             QMessageBox::warning(this, tr("File error"), tr("Cannot open file '%1' for writing").arg(fileName));

    90         else

    91             file.write(qCompress(m_scene->encode()).toBase64());

    92     }

    93 }

    94 

    95 void DrawMapWidget::load(const QString & fileName)

    96 {

    97     if(m_scene)

    98     {

    99         QFile f(fileName);

   100 

   101         if(!f.open(QIODevice::ReadOnly))

   102             QMessageBox::warning(this, tr("File error"), tr("Cannot read file '%1'").arg(fileName));

   103         else

   104             m_scene->decode(qUncompress(QByteArray::fromBase64(f.readAll())));

   105     }

   106 }