package org.litesoft.p2pchat; import java.awt.*; import java.awt.List; import java.awt.event.*; import java.util.*; // Copyright Status: // // All Software available from LiteSoft.org (including this file) is // hereby released into the public domain. // // It is free! As in, you may use it freely in both commercial and // non-commercial applications, bundle it with your software // distribution, include it on a CD-ROM, list the source code in a book, // mirror the documentation at your own web site, or use it in any other // way you see fit. // // NO Warranty! // // All software is provided "as is". // // There is ABSOLUTELY NO WARRANTY OF ANY KIND: not for the design, fitness // (for a particular purpose), level of errors (or lack thereof), or // applicability of this software. The entire risk as to the quality // and performance of this software is with you. Should this software // prove defective, you assume the cost of all necessary servicing, repair // or correction. // // In no event unless required by applicable law or agreed to in writing // will any party who created or may modify and/or redistribute this // software, be liable to you for damages, including any general, // special, incidental or consequential damages arising out of the use or // inability to use this software (including but not limited to loss of // data or data being rendered inaccurate or losses sustained by you or // third parties or a failure of this software to operate with any // other programs), even if such holder or other party has been advised // of the possibility of such damages. // // NOTE: Should you discover a bug, have a recogmendation for a change, wish // to submit modifications, or wish to add new classes/functionality, // please email them to: // // changes@litesoft.org // /** * @author Devin Smith and George Smith * @version 0.3 02/02/02 Added IllegalArgument.ifNull for all public params that may not be null * @version 0.2 01/28/02 Refactored and Added Licence * @version 0.1 12/27/01 Initial Version */ @SuppressWarnings("unchecked") public class UserDialogAWT extends Frame implements UserDialog { private static final long serialVersionUID = 1L; private MyInfo zMyInfo; private ActivePeerManager zActivePeerManager = null; private TextField zChatText; private TextField zNameText; private TextArea zMessagesTextArea; private List zPeersList; private Hashtable zPrivateMessagersMap = new Hashtable(); public UserDialogAWT(String pTitle, MyInfo pMyInfo) { super(pTitle); IllegalArgument.ifNull("Title", pTitle); IllegalArgument.ifNull("MyInfo", zMyInfo = pMyInfo); setLayout(new BorderLayout()); add("North", layoutNamePanel()); add("Center", layoutReceivedMessagesPanel()); add("East", layoutWhoPanel()); add("South", layoutChatEntryPanel()); pack(); addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } } ); setVisible(true); showWho(); zChatText.requestFocus(); } public void setActivePeerManager(ActivePeerManager pActivePeerManager) { if (pActivePeerManager != null) zActivePeerManager = pActivePeerManager; } public void setPendingPeerManager(PendingPeerManager pPendingPeerManager) { if (pPendingPeerManager != null) { } } private Panel layoutChatEntryPanel() { Panel panel = new Panel(); panel.setLayout(new BorderLayout()); panel.add("West", new Label("Message to Send:")); panel.add("Center", zChatText = new TextField()); zChatText.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { handleCHAT(e.getActionCommand()); zChatText.setText(""); } } ); return panel; } private Panel layoutReceivedMessagesPanel() { Panel panel = new Panel(); panel.setLayout(new BorderLayout()); panel.add("North", new Label("Received Messages:")); panel.add("Center", zMessagesTextArea = new TextArea()); zMessagesTextArea.setEnabled(true); zMessagesTextArea.setEditable(false); return panel; } private Panel layoutWhoPanel() { Panel panel = new Panel(); panel.setLayout(new BorderLayout()); panel.add("North", new Label("Who's On:")); panel.add("Center", zPeersList = new List(25, false)); zPeersList.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { String lineRest = e.getActionCommand(); int spaceAt = lineRest.indexOf(' '); if (spaceAt != -1) handlePrivateMessageWindowRequest(lineRest.substring(0, spaceAt)); zChatText.requestFocus(); } } ); return panel; } private Panel layoutNamePanel() { Panel panel = new Panel(); panel.setLayout(new FlowLayout(FlowLayout.LEFT)); panel.add(new Label("Name:", Label.RIGHT)); panel.add(zNameText = new TextField("", 15)); zNameText.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { handleNAMEchange(e.getActionCommand().trim()); zNameText.setText(""); showWho(); zChatText.requestFocus(); } } ); return panel; } private void send(String pMessage) { String current = zMessagesTextArea.getText(); current += pMessage + "\n"; zMessagesTextArea.setText(current); } private void showWho() { zPeersList.removeAll(); zPeersList.add(zMyInfo.toString(), 0); PeerInfo[] peers = getPeerInfos(); for (int i = 0; i < peers.length; i++) zPeersList.add(peers[i].toString(), i + 1); } public void showUnrecognized(PeerInfo pPeerInfo, String pBadMessage) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); IllegalArgument.ifNull("BadMessage", pBadMessage); send("Unrecognized Command from (" + pPeerInfo.getID() + " " + pPeerInfo.getChatName() + "): " + pBadMessage); } public void showStreamsFailed(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); send("Unable to Set up I/O Streams with: " + pPeerInfo.toString()); } public void showConnectFailed(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); send("Unable to Connect to: " + pPeerInfo.toString()); } public void showConnect(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); showWho(); } public void showDisconnect(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); UserDialogPrivMsgAWT subWindow = getPrivateMessageWindow(pPeerInfo); if (subWindow != null) { unregisterPrivateMessager(pPeerInfo); subWindow.dispose(); } showWho(); } public void showCHAT(PeerInfo pPeerInfo, String pMessage) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); IllegalArgument.ifNull("Message", pMessage); send(pPeerInfo.getID() + " " + pPeerInfo.getChatName() + ": " + pMessage); } public void showPMSG(PeerInfo pPeerInfo, String pMessage) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); IllegalArgument.ifNull("Message", pMessage); UserDialogPrivMsgAWT subWindow = getPrivateMessageWindow(pPeerInfo); if (subWindow != null) subWindow.send(pPeerInfo.getChatName() + ": " + pMessage); else send("Private Message From (" + pPeerInfo.getID() + " " + pPeerInfo.getChatName() + "): " + pMessage); } public void showNAME(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); showWho(); } public void showHELO(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); showWho(); } private UserDialogPrivMsgAWT getPrivateMessageWindow(PeerInfo pPeerInfo) { return (UserDialogPrivMsgAWT) zPrivateMessagersMap.get(pPeerInfo); } public void unregisterPrivateMessager(PeerInfo pPeerInfo) { IllegalArgument.ifNull("PeerInfo", pPeerInfo); zPrivateMessagersMap.remove(pPeerInfo); } private void openPrivateMessageWindow(ActivePeer other) { zPrivateMessagersMap.put(other.getPeerInfo(), new UserDialogPrivMsgAWT(this, zMyInfo, other)); } private void handleCHAT(String pLine) { if (zActivePeerManager == null) // builder pattern send("No Peer Manager!"); else { zActivePeerManager.sendToAllCHAT(pLine); send(zMyInfo.getChatName() + ": " + pLine); } } private void handleNAMEchange(String newName) { if (zActivePeerManager == null) // builder pattern send("No Peer Manager!"); else { zMyInfo.setChatName(newName); zActivePeerManager.sendToAllNAME(); } } private PeerInfo[] getPeerInfos() { return (zActivePeerManager != null) ? zActivePeerManager.getPeerInfos() : new PeerInfo[0]; // builder pattern } private void handlePrivateMessageWindowRequest(String id) { if (zActivePeerManager == null) // builder pattern send("No Peer Manager!"); else { ActivePeer other = zActivePeerManager.getPeerListenerByID(id); if (other == null) send("Unrecognized Peer ID: " + id); else openPrivateMessageWindow(other); } } }