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#include "plotterclient.h"
#include <QMessageBox>
#include <QString>


PlotterClient::PlotterClient(QWidget *parent, Qt::WFlags flags)
    : QMainWindow(parent, flags)
{
	ui.setupUi(this);
	connect(&socket,SIGNAL(connected()),
		this,SLOT(connectionEstablished())); // connection established
	connect(&socket,SIGNAL(connectionClosed()),
		this,SLOT(connectionClosedByServer()));
	connect(&socket,SIGNAL(readyRead()),
		this,SLOT(dataReceived()));
	connect(&socket,SIGNAL(error(int)),
		this,SLOT(error(int)));
}

PlotterClient::~PlotterClient()
{	
	closeConnection();
	QMessageBox::information(0,tr("Destructor"),tr(""));
}


void PlotterClient::connectionEstablished()
{
	QMessageBox::information(0,tr("info"),tr("connection established"));
}

void PlotterClient::connectionClosedByServer()
{
	QMessageBox::information(0,tr("info"),tr("connectionClosedByServer"));

}
void PlotterClient::dataReceived()
{
	QMessageBox::information(0,tr("info"),tr("data received"));
	
}

void PlotterClient::error(int code)
{
	QString message;
	switch(code)
	{
		case QAbstractSocket::ConnectionRefusedError :
			message = tr("Error: Connection refused");
			break;
		
		case QAbstractSocket::HostNotFoundError :
			message = tr("Error: Host not found");
			break;
		
		default:
        message = tr("Error: Data transfer failed");
		
		
	}	
	QMessageBox::critical(0,tr("Error"),message);
	closeConnection();

}

void PlotterClient::closeConnection()
{
	socket.close();
}

void PlotterClient::on_connectButton_clicked()
{
host"));
	socket.connectToHost("localhost",1251);
	blocksize = 0;
}