#include <QGridLayout>

#include <QImage>

#include <QPixmap>

#include <QMessageBox>

#include <QFile>

#include <QTextStream>

#include <QRegExp>

#include <QDebug>

#include "mainform.h"

MyWindow::MyWindow(QWidget * parent, Qt::WFlags flags)

		: QMainWindow(parent, flags)

{

	QWidget * centralWidget = new QWidget(this);

	QGridLayout * mainlayout = new QGridLayout(centralWidget);

	mainlayout->setMargin(1);

	mainlayout->setSpacing(1);

	sa_xy = new QScrollArea(centralWidget);

	xy = new PixLabel();

	xy->setFixedSize(1024, 512);

	sa_xy->setWidget(xy);

	mainlayout->addWidget(sa_xy, 0, 0, 1, 4);

	setCentralWidget(centralWidget);

	buttAdd = new QPushButton(centralWidget);

	buttAdd->setText(tr("Add"));

	mainlayout->addWidget(buttAdd, 1, 0);

	buttCode = new QPushButton(centralWidget);

	buttCode->setText(tr("Code"));

	mainlayout->addWidget(buttCode, 1, 1);

	buttSave = new QPushButton(centralWidget);

	buttSave->setText(tr("Save"));

	mainlayout->addWidget(buttSave, 1, 3);

	buttLoad = new QPushButton(centralWidget);

	buttLoad->setText(tr("Load"));

	mainlayout->addWidget(buttLoad, 1, 2);

	connect(buttAdd, SIGNAL(clicked()), xy, SLOT(AddRect()));

	connect(buttCode, SIGNAL(clicked()), this, SLOT(Code()));

	connect(buttSave, SIGNAL(clicked()), this, SLOT(Save()));

	connect(buttLoad, SIGNAL(clicked()), this, SLOT(Load()));

}

void MyWindow::Code()

{

	if (xy->rects.size())

	{

		QFile f("template.pas");

		if (!f.open(QIODevice::WriteOnly))

		{

			QMessageBox::information(this, tr("Error"),

						tr("Cannot save"));

			return ;

		}

		QTextStream stream(&f);

		stream << QString("const Template0Points: array[0..%1] of TSDL_Rect =").arg(xy->rects.size() - 1) << endl;

		stream << "      (" << endl;

		for(int i = 0; i < xy->rects.size(); i++)

		{

			QRect r = xy->rects[i].normalized();

			stream << QString("       (x: %1; y: %2; w: %3; h: %4),").

					arg(r.x() * 2, 4).arg(r.y() * 2, 4).arg(r.width() * 2, 4).arg(r.height() * 2, 4) << endl;

		}

		stream << "      );" << endl;

		f.close();

	}

}

void MyWindow::Save()

{

	Code();

}

void MyWindow::Load()

{

	QFile f("template.pas");

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

	{

		QMessageBox::information(this, tr("Error"),

					tr("Cannot open file"));

		return ;

	}

	QTextStream stream(&f);

	QStringList sl;

	while (!stream.atEnd())

	{

		sl << stream.readLine();

	}

	xy->rects.clear();

	for (int i = 0; i < sl.size(); ++i)

	{

		QRegExp re("x:\\s+(\\d+);\\sy:\\s+(\\d+);\\sw:\\s+(\\d+);\\sh:\\s+(\\d+)");

		re.indexIn(sl.at(i));

		QStringList coords = re.capturedTexts();

		qDebug() << sl.at(i) << coords;

		if ((coords.size() == 5) && (coords[0].size()))

			xy->rects.push_back(QRect(coords[1].toInt() / 2, coords[2].toInt() / 2, coords[3].toInt() / 2, coords[4].toInt() / 2));

	}

	f.close();

	xy->repaint();

}