Behold Vilya, Ring of Air and repository for our game and virtual worldly
extensions to the distributed environment provided by Narya. git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@1 c613c5cb-e716-0410-b11b-feb51c14d237
This commit is contained in:
Michael Bayne
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//
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// $Id: ChatPanel.java 3741 2005-10-25 11:13:51Z elizabeth $
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.micasa.client;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.util.StringTokenizer;
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import javax.swing.JButton;
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import javax.swing.JComboBox;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTextField;
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import javax.swing.JTextPane;
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import javax.swing.event.AncestorEvent;
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import javax.swing.event.AncestorListener;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.Document;
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import javax.swing.text.Style;
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import javax.swing.text.StyleConstants;
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import javax.swing.text.StyleContext;
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import com.samskivert.swing.GroupLayout;
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import com.samskivert.swing.HGroupLayout;
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import com.samskivert.swing.VGroupLayout;
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import com.samskivert.swing.event.AncestorAdapter;
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import com.threerings.util.Name;
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import com.threerings.crowd.chat.client.ChatDirector;
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import com.threerings.crowd.chat.client.ChatDisplay;
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import com.threerings.crowd.chat.data.ChatCodes;
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import com.threerings.crowd.chat.data.ChatMessage;
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import com.threerings.crowd.chat.data.SystemMessage;
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import com.threerings.crowd.chat.data.UserMessage;
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import com.threerings.crowd.client.OccupantObserver;
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import com.threerings.crowd.client.PlaceView;
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import com.threerings.crowd.data.OccupantInfo;
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import com.threerings.crowd.data.PlaceObject;
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import com.threerings.crowd.util.CrowdContext;
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import com.threerings.micasa.Log;
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public class ChatPanel
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extends JPanel
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implements ActionListener, ChatDisplay, OccupantObserver, PlaceView
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{
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public ChatPanel (CrowdContext ctx)
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{
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// keep this around for later
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_ctx = ctx;
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// create our chat director and register ourselves with it
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_chatdtr = new ChatDirector(_ctx, null, null);
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// XXX - the line above royally borks things because it sends
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// null, null downstream.
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_chatdtr.addChatDisplay(this);
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// register as an occupant observer
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_ctx.getOccupantDirector().addOccupantObserver(this);
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GroupLayout gl = new VGroupLayout(GroupLayout.STRETCH);
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gl.setOffAxisPolicy(GroupLayout.STRETCH);
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setLayout(gl);
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// create our scrolling chat text display
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_text = new JTextPane();
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_text.setEditable(false);
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add(new JScrollPane(_text));
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// create our styles and add those to the text pane
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createStyles(_text);
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// add a label for the text entry stuff
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add(new JLabel("Type here to chat:"), GroupLayout.FIXED);
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// create a horizontal group for the text entry bar
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gl = new HGroupLayout(GroupLayout.STRETCH);
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JPanel epanel = new JPanel(gl);
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epanel.add(_entry = new JTextField());
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_entry.setActionCommand("send");
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_entry.addActionListener(this);
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_entry.setEnabled(false);
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_send = new JButton("Send");
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_send.setEnabled(false);
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_send.addActionListener(this);
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_send.setActionCommand("send");
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epanel.add(_send, GroupLayout.FIXED);
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add(epanel, GroupLayout.FIXED);
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// listen to ancestor events to request focus when added
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addAncestorListener(new AncestorAdapter() {
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public void ancestorAdded (AncestorEvent e) {
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if (_focus) {
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_entry.requestFocusInWindow();
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}
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}
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});
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}
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/**
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* For applications where the chat box has extremely limited space,
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* the send button can be removed to leave more space for the text
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* input box.
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*/
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public void removeSendButton ()
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{
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if (_send.isVisible()) {
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// _send.getParent().remove(_send);
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_send.setVisible(false);
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}
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}
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/**
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* Sets whether the chat box text entry field requests the keyboard
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* focus when the panel receives {@link
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* AncestorListener#ancestorAdded} or {@link PlaceView#willEnterPlace}
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* events.
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*/
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public void setRequestFocus (boolean focus)
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{
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_focus = focus;
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}
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protected void createStyles (JTextPane text)
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{
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StyleContext sctx = StyleContext.getDefaultStyleContext();
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Style defstyle = sctx.getStyle(StyleContext.DEFAULT_STYLE);
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_nameStyle = text.addStyle("name", defstyle);
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StyleConstants.setForeground(_nameStyle, Color.blue);
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_msgStyle = text.addStyle("msg", defstyle);
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StyleConstants.setForeground(_msgStyle, Color.black);
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_errStyle = text.addStyle("err", defstyle);
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StyleConstants.setForeground(_errStyle, Color.red);
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_noticeStyle = text.addStyle("notice", defstyle);
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StyleConstants.setForeground(_noticeStyle, Color.magenta);
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}
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// documentation inherited
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public void actionPerformed (ActionEvent e)
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{
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String cmd = e.getActionCommand();
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if (cmd.equals("send")) {
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sendText();
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} else {
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System.out.println("Unknown action event: " + cmd);
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}
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}
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// documentation inherited
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public void occupantEntered (OccupantInfo info)
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{
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displayOccupantMessage("*** " + info.username + " entered.");
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}
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// documentation inherited
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public void occupantLeft (OccupantInfo info)
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{
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displayOccupantMessage("*** " + info.username + " left.");
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}
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// documentation inherited
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public void occupantUpdated (OccupantInfo oinfo, OccupantInfo info)
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{
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}
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protected void displayOccupantMessage (String message)
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{
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append(message + "\n", _noticeStyle);
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}
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protected void sendText ()
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{
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String text = _entry.getText();
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// if the message to send begins with /tell then parse it and
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// generate a tell request rather than a speak request
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if (text.startsWith("/tell")) {
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StringTokenizer tok = new StringTokenizer(text);
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// there should be at least three tokens: '/tell target word'
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if (tok.countTokens() < 3) {
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displayError("Usage: /tell username message");
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return;
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}
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// skip the /tell and grab the username
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tok.nextToken();
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String username = tok.nextToken();
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// now strip off everything up to the username to get the
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// message
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int uidx = text.indexOf(username);
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String message = text.substring(uidx + username.length()).trim();
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// request to send this text as a tell message
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_chatdtr.requestTell(new Name(username), message, null);
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} else if (text.startsWith("/clear")) {
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// clear the chat box
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_chatdtr.clearDisplays();
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} else {
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// request to send this text as a chat message
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_chatdtr.requestSpeak(null, text, ChatCodes.DEFAULT_MODE);
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}
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// clear out the input because we sent a request
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_entry.setText("");
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}
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// documentation inherited from interface ChatDisplay
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public void clear ()
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{
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_text.setText("");
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}
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// documentation inherited from interface ChatDisplay
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public void displayMessage (ChatMessage message)
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{
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if (message instanceof UserMessage) {
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UserMessage msg = (UserMessage) message;
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if (msg.localtype == ChatCodes.USER_CHAT_TYPE) {
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append("[" + msg.speaker + " whispers] ", _nameStyle);
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append(msg.message + "\n", _msgStyle);
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} else {
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append("<" + msg.speaker + "> ", _nameStyle);
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append(msg.message + "\n", _msgStyle);
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}
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} else if (message instanceof SystemMessage) {
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append(message.message + "\n", _noticeStyle);
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} else {
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Log.warning("Received unknown message type [message=" +
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message + "].");
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}
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}
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protected void displayError (String message)
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{
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append(message + "\n", _errStyle);
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}
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/**
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* Append the specified text in the specified style.
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*/
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protected void append (String text, Style style)
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{
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Document doc = _text.getDocument();
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try {
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doc.insertString(doc.getLength(), text, style);
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} catch (BadLocationException ble) {
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Log.warning("Unable to insert text!? [error=" + ble + "].");
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}
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}
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public void willEnterPlace (PlaceObject place)
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{
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// enable our chat input elements since we're now somewhere that
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// we can chat
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_entry.setEnabled(true);
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_send.setEnabled(true);
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if (_focus) {
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_entry.requestFocusInWindow();
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}
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}
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// documentation inherited
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public void didLeavePlace (PlaceObject place)
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{
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// nothing doing
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}
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// documentation inherited
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public Dimension getPreferredSize ()
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{
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Dimension size = super.getPreferredSize();
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// always prefer a sensible but not overly large width. this also
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// prevents us from inheriting a foolishly large preferred width
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// from the JTextPane which sometimes decides it wants to be as
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// wide as its widest line of text rather than wrap that line of
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// text.
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size.width = PREFERRED_WIDTH;
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return size;
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}
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protected CrowdContext _ctx;
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protected ChatDirector _chatdtr;
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protected boolean _focus = true;
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protected JComboBox _roombox;
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protected JTextPane _text;
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protected JButton _send;
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protected JTextField _entry;
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protected Style _nameStyle;
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protected Style _msgStyle;
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protected Style _errStyle;
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protected Style _noticeStyle;
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/** A width that isn't so skinny that the text is teeny. */
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protected static final int PREFERRED_WIDTH = 200;
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}
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