Subversion Repositories adv_debug_sys

////////////////////////////////////////////////////////////////

//

// guiServerGroup.java

//

// Copyright (C) 2010 Nathan Yawn 

//                    (nyawn@opencores.org)

//

// This class contains the GUI elements related to the server

// connection.  This includes the server address and port

// number, the connect button, and the network status message

// display.

//

////////////////////////////////////////////////////////////////

//

// This source file may be used and distributed without

// restriction provided that this copyright statement is not

// removed from the file and that any derivative work contains

// the original copyright notice and the associated disclaimer.

// 

// This source file 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 3.0 of the License, or (at your option) any

// later version.

//

// This source 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 Lesser General Public License for more

// details.

// 

// You should have received a copy of the GNU General

// Public License along with this source; if not, download it 

// from http://www.gnu.org/licenses/gpl.html

//

////////////////////////////////////////////////////////////////

package advancedWatchpointControl;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.FontMetrics;

import org.eclipse.swt.graphics.GC;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Group;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

public class guiServerGroup implements NetworkStatusObserver {

        private Group serverGroup = null;

        private GridLayout serverGroupLayout = null;

        private Button serverConnectButton = null;

        private Group serverHostnameGroup = null;

        private Text serverHostnameText = null;

        private Group tcpPortGroup = null;

        private Text tcpPortText = null;

        private Group networkStatusGroup = null;

        private Label connectionStatusLabel = null;

        private mainControl mCtrl = null;

        public guiServerGroup(Composite parent, mainControl mc) {

                        mCtrl = mc;

                        serverGroup = new Group(parent, SWT.NONE);

                        serverGroupLayout = new GridLayout();

                        serverGroupLayout.numColumns = 4;

                        serverGroup.setLayout(serverGroupLayout);

                        serverGroup.setText("Server Connection");

                        createServerHostnameGroup();

                        createTcpPortGroup();

                        serverConnectButton = new Button(serverGroup, SWT.NONE);

                        serverConnectButton.setText("Connect");

                        serverConnectButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() {

                                public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {

                                        int port = Integer.parseInt(tcpPortText.getText());

                                        if(mCtrl != null) {

                                                mCtrl.doNetworkConnect(serverHostnameText.getText(), port);

                                        }

                                }

                        });

                        createNetworkStatusGroup();

                        mCtrl.registerForNetworkStatusUpdates(this);

        }

        private void createServerHostnameGroup() {

                serverHostnameGroup = new Group(serverGroup, SWT.NONE);

                serverHostnameGroup.setLayout(new GridLayout());

                serverHostnameGroup.setText("Server Hostname");

                serverHostnameText = new Text(serverHostnameGroup, SWT.BORDER);

                serverHostnameText.setText("localhost");

                // Make the Text box a bit bigger than default

                int columns = 20;

            GC gc = new GC (serverHostnameText);

            FontMetrics fm = gc.getFontMetrics ();

            int width = columns * fm.getAverageCharWidth ();

            int height = fm.getHeight ();

            gc.dispose ();

            // This doesn't seem to work, need to use gd.widthHint/heightHint below

                GridData gd = new GridData();

                gd.grabExcessHorizontalSpace = true;

                gd.verticalAlignment = GridData.CENTER;

                gd.horizontalAlignment = GridData.FILL;

                gd.widthHint = width;

                gd.heightHint = height;

                serverHostnameText.setLayoutData(gd);

        }

        private void createTcpPortGroup() {

                tcpPortGroup = new Group(serverGroup, SWT.NONE);

                tcpPortGroup.setLayout(new GridLayout());

                tcpPortGroup.setText("Server Port");

                tcpPortText = new Text(tcpPortGroup, SWT.BORDER);

                tcpPortText.setText("9928");

                GridData gd = new GridData();

                gd.horizontalAlignment = GridData.FILL;

                gd.grabExcessHorizontalSpace = true;

                gd.verticalAlignment = GridData.CENTER;

                tcpPortText.setLayoutData(gd);

        }

        private void createNetworkStatusGroup() {

                networkStatusGroup = new Group(serverGroup, SWT.NONE);

                networkStatusGroup.setText("Connection Status");

                GridLayout gl = new GridLayout();

                gl.makeColumnsEqualWidth = false;

                networkStatusGroup.setLayout(gl);

                GridData gd = new GridData();

                gd.horizontalAlignment = GridData.FILL;

                gd.grabExcessHorizontalSpace = true;

                networkStatusGroup.setLayoutData(gd);

                connectionStatusLabel = new Label(networkStatusGroup, SWT.NONE);

                connectionStatusLabel.setText("Not Connected");  // cheating - doesn't through mainControl

                gd = new GridData();

                gd.grabExcessHorizontalSpace = true;

                gd.verticalAlignment = GridData.CENTER;

                gd.horizontalAlignment = GridData.FILL;

                connectionStatusLabel.setLayoutData(gd);

        }

        public void notifyNetworkStatus() {

                // *** Limit length?

                connectionStatusLabel.setText(mCtrl.getNetworkStatus());

        }

}