1 files changed, 0 insertions, 296 deletions
diff --git a/src/com/itmill/toolkit/demo/Chat.java b/src/com/itmill/toolkit/demo/Chat.java
deleted file mode 100644
index a780dfce63..0000000000
--- a/src/com/itmill/toolkit/demo/Chat.java
+++ /dev/null
@@ -1,296 +0,0 @@
-package com.itmill.toolkit.demo;
-
-import java.io.*;
-import java.util.*;
-import java.lang.ref.WeakReference;
-
-import com.itmill.toolkit.terminal.StreamResource;
-import com.itmill.toolkit.ui.*;
-
-/** Chat example application.
- * 
- * <p>This example application implements Internet chatroom with the 
- * following features:
- * <ul>
- * 		<li>Continuosly streaming chat discussion. This is implemented 
- * 			with StreamResource that is kept open during the discussion.
- * 		<li>Dynamically changing frames.
- * 		<li>Chatroom that is implemented with static list of chatters 
- * 			referenced by weak references.
- *  </ul>
- * </p>
- *
- * @see com.itmill.toolkit.Application
- * @see com.itmill.toolkit.ui.FrameWindow
- * @see com.itmill.toolkit.terminal.StreamResource
- */
-
-public class Chat
-	extends com.itmill.toolkit.Application
-	implements StreamResource.StreamSource, Button.ClickListener {
-
-	/** Linked list of Chat applications who participate the discussion */
-	private static LinkedList chatters = new LinkedList();
-
-	/** Reference (to this application) stored in chatters list */
-	private WeakReference listEntry = null;
-
-	/** Writer for writing to open chat stream */
-	private PrintWriter chatWriter = null;
-
-	/** Login name / Alias for chat */
-	private TextField loginName = new TextField("Your name?", "");
-
-	/** Login button */
-	private Button loginButton = new Button("Enter chat");
-
-	/** Text to be said to discussion */
-	private TextField sayText = new TextField();
-
-	/** Button for sending the sayTest to discussion */
-	private Button say = new Button("Say");
-
-	/** Button for listing the people in the chatroom */
-	private Button listUsers = new Button("List chatters");
-
-	/** Last time this chat application said something */
-	private long idleSince = (new Date()).getTime();
-
-	/** framewindow for following the discussion and control */
-	FrameWindow frames = new FrameWindow("Chat");
-
-	/** Last messages */
-	private static LinkedList lastMessages = new LinkedList();
-
-	/** Initialize the chat application */
-	public void init() {
-
-		// Initialize user interface
-		say.dependsOn(sayText);
-		say.addListener((Button.ClickListener) this);
-		listUsers.addListener((Button.ClickListener) this);
-		StreamResource chatStream =
-			new StreamResource(this, "discussion.html", this);
-		chatStream.setBufferSize(1);
-		chatStream.setCacheTime(0);
-		frames.getFrameset().newFrame(chatStream, "chatDiscussion");
-		Window controls =
-			new Window(
-				"",
-				new OrderedLayout(OrderedLayout.ORIENTATION_HORIZONTAL));
-		controls.setName("chatControls");
-		controls.addComponent(sayText);
-		sayText.setColumns(40);
-		controls.addComponent(say);
-		controls.addComponent(loginName);
-		loginName.focus();
-		controls.addComponent(loginButton);
-		loginButton.dependsOn(loginName);
-		loginButton.addListener(this);
-		controls.addComponent(listUsers);
-		Button leaveButton = new Button("Leave", this, "leave");
-		controls.addComponent(leaveButton);
-		say.setVisible(false);
-		sayText.setVisible(false);
-		frames.getFrameset().newFrame(controls).setAbsoluteSize(60);
-		frames.getFrameset().setVertical(true);
-		frames.setName("chatMain");
-		setMainWindow(frames);
-
-		// Register chat application
-		synchronized (chatters) {
-			chatters.add(listEntry = new WeakReference(this));
-		}
-	}
-
-	/** Handle button actions for login, user listing and saying */
-	public void buttonClick(Button.ClickEvent event) {
-
-		// Say something in discussion
-		if (event.getSource() == say && sayText.toString().length() > 0) {
-
-			// Say something to chatstream
-			say("<b>" + getUser() + ": </b>" + sayText + "<br>");
-
-			// Clear the saytext field
-			sayText.setValue("");
-			sayText.focus();
-		}
-
-		// List the users
-		else if (event.getSource() == listUsers)
-			listUsers();
-
-		// Login to application
-		else if (
-			event.getSource() == loginButton
-				&& loginName.toString().length() > 0) {
-
-			// Set user name
-			setUser(loginName.toString());
-
-			// Hide logins controls
-			loginName.setVisible(false);
-			loginButton.setVisible(false);
-
-			// Show say controls
-			say.setVisible(true);
-			sayText.setVisible(true);
-			sayText.focus();
-
-			// Announce discussion joining
-			say(
-				"<i>"
-					+ getUser()
-					+ " joined the discussion ("
-					+ (new Date()).toString()
-					+ ")</i><br>");
-		}
-	}
-
-	/** List chatters to chat stream */
-	private void listUsers() {
-
-		// Compose userlist 
-		StringBuffer userlist = new StringBuffer();
-		userlist.append(
-			"<div style=\"background-color: #ffffd0;\"><b>Chatters ("
-				+ (new Date())
-				+ ")</b><ul>");
-		synchronized (chatters) {
-			for (Iterator i = chatters.iterator(); i.hasNext();) {
-				try {
-					Chat c = (Chat) ((WeakReference) i.next()).get();
-					String name = (String) c.getUser();
-					if (name != null && name.length() > 0) {
-						userlist.append("<li>" + name);
-						userlist.append(
-							" (idle "
-								+ ((new Date()).getTime() - c.idleSince) / 1000
-								+ "s)");
-					}
-				} catch (NullPointerException ignored) {
-				}
-			}
-		}
-		userlist.append("</ul></div><script>self.scroll(0,71234);</script>\n");
-
-		// Print the user list to chatstream
-		printToStream(userlist.toString());
-	}
-
-	/** Print to chatstream and scroll the window */
-	private void printToStream(String text) {
-		if (chatWriter != null) {
-			chatWriter.println(text);
-			chatWriter.println("<script>self.scroll(0,71234);</script>\n");
-			chatWriter.flush();
-		}
-	}
-
-	/** Say to all chat streams */
-	private void say(String text) {
-
-		// Get all the listeners
-		Object[] listener;
-		synchronized (chatters) {
-			listener = chatters.toArray();
-		}
-
-		// Put the saytext to listener streams
-		// Remove dead listeners
-		for (int i = 0; i < listener.length; i++) {
-			Chat c = (Chat) ((WeakReference) listener[i]).get();
-			if (c != null)
-				c.printToStream(text);
-			else
-				chatters.remove(listener[i]);
-		}
-
-		// Update idle time
-		idleSince = (new Date()).getTime();
-
-		// Update last messages
-		synchronized (lastMessages) {
-			lastMessages.addLast(text);
-			while (lastMessages.size() > 5)
-				lastMessages.removeFirst();
-		}
-	}
-
-	/** Open chat stream */
-	public InputStream getStream() {
-
-		// Close any existing streams
-		if (chatWriter != null)
-			chatWriter.close();
-
-		// Create piped stream
-		PipedOutputStream chatStream = new PipedOutputStream();
-		chatWriter = new PrintWriter(chatStream);
-		InputStream is = null;
-		try {
-			is = new PipedInputStream(chatStream);
-		} catch (IOException ignored) {
-			chatWriter = null;
-			return null;
-		};
-
-		// Write headers
-		printToStream(
-			"<html><head><title>Discussion "
-				+ (new Date())
-				+ "</title>"
-				+ "</head><body>\n");
-
-		// Print last messages 
-		Object[] msgs;
-		synchronized (lastMessages) {
-			msgs = lastMessages.toArray();
-		}
-		for (int i = 0; i < msgs.length; i++)
-			printToStream(msgs[i].toString());
-
-		// Allways list the users
-		listUsers();
-
-		return is;
-	}
-
-	/** Leave the chat */
-	public void leave() {
-
-		// If we have been logged in, say goodbye
-		if (listEntry != null) {
-			if (getUser() != null)
-				say(
-					"<i>"
-						+ getUser()
-						+ " left the chat ("
-						+ (new Date())
-						+ ")</i><br>");
-
-			synchronized (chatters) {
-				chatters.remove(listEntry);
-				listEntry = null;
-			}
-		}
-		if (chatWriter != null)
-			chatWriter.close();
-
-		// Close the chat frames
-		if (frames != null) {
-			frames.getFrameset().removeAllFrames();
-			Window restartWin = new Window();
-			frames.getFrameset().newFrame(restartWin);
-			restartWin.addComponent(new Button("Restart chat", this, "close"));
-			frames = null;
-		}
-	}
-
-	/** Make sure that everybody leaves the chat */
-	public void finalize() {
-		leave();
-	}
-
-}