Subversion Repositories fpga-cf

package edu.byu.cc.plieber.fpgaenet.modmod;

import java.io.IOException;

import java.net.InetAddress;

import java.net.UnknownHostException;

import com.trolltech.qt.core.Qt;

import com.trolltech.qt.core.Qt.WindowModality;

import com.trolltech.qt.gui.*;

import edu.byu.cc.plieber.fpgaenet.fcp.FCPProtocol;

public class ConnectionWidget extends QWidget {

        public static void main(String[] args) {

                QApplication.initialize(args);

                FCPProtocol fcpprotocol;

                try {

                        fcpprotocol = new FCPProtocol();

                        ConnectionWidget testStaticModulesWidget = new ConnectionWidget(null, fcpprotocol);

                        testStaticModulesWidget.show();

                        QApplication.exec();

                        fcpprotocol.disconnect();

                } catch (IOException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

        }

        private FCPProtocol fcpprotocol;

        public ConnectionWidget(QWidget parent, FCPProtocol protocol) {

                super(parent);

                fcpprotocol = protocol;

                createWidgets();

                createLayout();

                connectSignalsAndSlots();

                setWindowModality(WindowModality.ApplicationModal);

                fillWidgets();

        }

        private void fillWidgets() {

                if (fcpprotocol != null) {

                        spnSourcePort.setValue(fcpprotocol.getSourceUDPPort());

                        spnDestPort.setValue(fcpprotocol.getDestUDPPort());

                        if (fcpprotocol.getDestIPAddress() != null)

                                txtFPGAIP.setText(fcpprotocol.getDestIPAddress().toString());

                        else

                                txtFPGAIP.setText("10.0.1.42");

                        textStatus.setText(fcpprotocol.isConnected() ? "Connected" : "Not Connected");

                } else {

                        textStatus.setText("Not Connected");

                }

        }

        private QLabel labelSourcePort = new QLabel("Source UDP Port");

        private QLabel labelDestPort = new QLabel("Destination UDP Port");

        private QLabel labelFPGAIP = new QLabel("FPGA IP Address");

        private QLabel labelStatus = new QLabel("Status");

        private QSpinBox spnSourcePort = new QSpinBox();

        private QSpinBox spnDestPort = new QSpinBox();

        private QLineEdit txtFPGAIP = new QLineEdit();

        private QTextEdit textStatus = new QTextEdit();

        private QPushButton btnConnect = new QPushButton("Connect");

        private QPushButton btnDisconnect = new QPushButton("Disconnect");

        public Signal0 ConnectionChangedSignal = new Signal0();

        private void createWidgets() {

                labelSourcePort.setAlignment(Qt.AlignmentFlag.AlignRight);

                labelDestPort.setAlignment(Qt.AlignmentFlag.AlignRight);

                labelFPGAIP.setAlignment(Qt.AlignmentFlag.AlignRight);

                labelStatus.setAlignment(Qt.AlignmentFlag.AlignCenter);

                textStatus.setReadOnly(true);

        }

        private void createLayout() {

                QVBoxLayout mainLayout = new QVBoxLayout(this);

                QHBoxLayout topLayout = new QHBoxLayout();

                mainLayout.addLayout(topLayout);

                QVBoxLayout statusLayout = new QVBoxLayout();

                QHBoxLayout bottomLayout = new QHBoxLayout();

                mainLayout.addLayout(bottomLayout);

                QGridLayout settingsLayout = new QGridLayout();

                topLayout.addLayout(settingsLayout);

                topLayout.addLayout(statusLayout);

                settingsLayout.setRowMinimumHeight(0, 20);

                settingsLayout.addWidget(labelSourcePort, 1, 0);

                spnSourcePort.setMaximum(65535);

                spnSourcePort.setMinimum(1);

                settingsLayout.addWidget(spnSourcePort, 1, 1);

                settingsLayout.addWidget(labelDestPort, 2, 0);

                spnDestPort.setMaximum(65535);

                spnDestPort.setMinimum(1);

                settingsLayout.addWidget(spnDestPort, 2, 1);

                settingsLayout.addWidget(labelFPGAIP, 3, 0);

                settingsLayout.addWidget(txtFPGAIP, 3, 1);

                settingsLayout.setColumnStretch(0, 1);

                settingsLayout.setRowStretch(4, 1);

                statusLayout.addWidget(labelStatus);

                statusLayout.addWidget(textStatus);

                bottomLayout.addWidget(btnConnect);

                bottomLayout.addWidget(btnDisconnect);

        }

        private void connectSignalsAndSlots() {

                btnConnect.clicked.connect(this, "connect()");

                btnDisconnect.clicked.connect(this, "disconnectFCP()");

        }

        @SuppressWarnings("unused")

        private void connect() {

                if (fcpprotocol == null) {

                        this.textStatus.setText("Not Connected");

                }

                else {

                        try {

                                fcpprotocol.connect(InetAddress.getByName(this.txtFPGAIP.text()), spnDestPort.value());

                                while (!fcpprotocol.isConnected());

                                this.textStatus.setText("Connected!");

                        } catch (UnknownHostException e) {

                                this.textStatus.setText("Not Connected");

                        }

                        this.ConnectionChangedSignal.emit();

                }

        }

        @SuppressWarnings("unused")

        private void disconnectFCP() {

                if (fcpprotocol != null) {

                        fcpprotocol.disconnect();

                }

                this.textStatus.setText("Not Connected");

        }

}