Added chatlike app

package.json

@@ -1,9 +1,14 @@
 {
-"name": "Web4.0",
+"name": "Hookio-sparql-example",
 "version" : "0.0.1",
 "dependencies":{
 	"socket.io":"*",
 	"hook.io":"*",
 	"Hook.io-mailer":"git+https://github.com/balkian/Hookio-Mailer.git"
+    "express": "2.5.5",
+    "jade": "0.16.4",
+    "stylus": "0.19.0",
+    "nib": "0.2.0"
+
 }
 }

web/app.js

@@ -0,0 +1,81 @@
+/**
+ * Module dependencies.
+ */
+
+var express = require('express')
+  , stylus = require('stylus')
+  , nib = require('nib')
+  , sio = require('../../lib/socket.io');
+
+/**
+ * App.
+ */
+
+var app = express.createServer();
+
+/**
+ * App configuration.
+ */
+
+app.configure(function () {
+  app.use(stylus.middleware({ src: __dirname + '/public', compile: compile }));
+  app.use(express.static(__dirname + '/public'));
+  app.set('views', __dirname);
+  app.set('view engine', 'jade');
+
+  function compile (str, path) {
+    return stylus(str)
+      .set('filename', path)
+      .use(nib());
+  };
+});
+
+/**
+ * App routes.
+ */
+
+app.get('/', function (req, res) {
+  res.render('index', { layout: false });
+});
+
+/**
+ * App listen.
+ */
+
+app.listen(3000, function () {
+  var addr = app.address();
+  console.log('   app listening on http://' + addr.address + ':' + addr.port);
+});
+
+/**
+ * Socket.IO server (single process only)
+ */
+
+var io = sio.listen(app)
+  , nicknames = {};
+
+io.sockets.on('connection', function (socket) {
+  socket.on('user message', function (msg) {
+    console.log('User message:'+msg);
+    //socket.broadcast.emit('user message', socket.nickname, msg);
+  });
+
+  socket.on('nickname', function (nick, fn) {
+    if (nicknames[nick]) {
+      fn(true);
+    } else {
+      fn(false);
+      nicknames[nick] = socket.nickname = nick;
+      //socket.broadcast.emit('announcement', nick + ' connected');
+      //io.sockets.emit('nicknames', nicknames);
+    }
+  });
+
+  socket.on('disconnect', function () {
+    if (!socket.nickname) return;
+
+    delete nicknames[socket.nickname];
+   // socket.broadcast.emit('announcement', socket.nickname + ' disconnected');
+   // socket.broadcast.emit('nicknames', nicknames);
+  });
+});

web/index.jade

@@ -0,0 +1,83 @@
+doctype 5
+html
+  head
+    link(href='/stylesheets/style.css', rel='stylesheet')
+    script(src='http://code.jquery.com/jquery-1.6.1.min.js')
+    script(src='/socket.io/socket.io.js')
+    script
+      // socket.io specific code
+      var socket = io.connect();
+
+      socket.on('connect', function () {
+        $('#chat').addClass('connected');
+      });
+
+      socket.on('announcement', function (msg) {
+        $('#lines').append($('<p>').append($('<em>').text(msg)));
+      });
+
+      socket.on('nicknames', function (nicknames) {
+        $('#nicknames').empty().append($('<span>Online: </span>'));
+        for (var i in nicknames) {
+          $('#nicknames').append($('<b>').text(nicknames[i]));
+        }
+      });
+
+      socket.on('user message', message);
+      socket.on('reconnect', function () {
+        $('#lines').remove();
+        message('System', 'Reconnected to the server');
+      });
+
+      socket.on('reconnecting', function () {
+        message('System', 'Attempting to re-connect to the server');
+      });
+
+      socket.on('error', function (e) {
+        message('System', e ? e : 'A unknown error occurred');
+      });
+
+      function message (from, msg) {
+        $('#lines').append($('<p>').append($('<b>').text(from), msg));
+      }
+
+      // dom manipulation
+      $(function () {
+        $('#set-nickname').submit(function (ev) {
+          socket.emit('nickname', $('#nick').val(), function (set) {
+            if (!set) {
+              clear();
+              return $('#chat').addClass('nickname-set');
+            }
+            $('#nickname-err').css('visibility', 'visible');
+          });
+          return false;
+        });
+
+        $('#send-message').submit(function () {
+          message('me', $('#message').val());
+          socket.emit('user message', $('#message').val());
+          clear();
+          $('#lines').get(0).scrollTop = 10000000;
+          return false;
+        });
+
+        function clear () {
+          $('#message').val('').focus();
+        };
+      });
+  body
+    #chat
+      #nickname
+        form.wrap#set-nickname
+          p Please type in your nickname and press enter.
+          input#nick
+          p#nickname-err Nickname already in use
+      #connecting
+        .wrap Connecting to socket.io server
+      #messages
+        #nicknames
+        #lines
+      form#send-message
+        input#message
+        button Send

web/public/stylesheets/mixins.styl

@@ -0,0 +1,96 @@
+border-radius(n)
+  -webkit-border-radius n
+  -moz-border-radius n
+  border-radius n
+
+// replace str with val
+
+replace(expr, str, val)
+  expr = clone(expr)
+  for e, i in expr
+    if str == e
+      expr[i] = val
+  expr
+
+// normalize gradient point (webkit)
+
+grad-point(pos)
+  if length(pos) == 1
+    return left pos if pos in (top bottom)
+    return pos top if pos in (left right)
+  else if pos[0] in (top bottom)
+    pos[1] pos[0]
+  else
+    pos
+
+// implicit color stop position
+
+pos-in-stops(i, stops)
+  len = length(stops)
+  if len - 1 == i
+    100%
+  else if i
+    unit(i / len * 100, '%')
+  else
+    0%
+
+// normalize color stops
+//   - (color pos) -> (pos color)
+//   - (color) -> (implied-pos color)
+
+normalize-stops(stops)
+  stops = clone(stops)
+  for stop, i in stops
+    if length(stop) == 1
+      color = stop[0]
+      stop[0] = pos-in-stops(i, stops)
+      stop[1] = color
+    else if typeof(stop[1]) == 'unit'
+      pos = stop[1]
+      stop[1] = stop[0]
+      stop[0] = pos
+  stops
+
+// join color stops with the given translation function
+
+join-stops(stops, translate)
+  str = ''
+  len = length(stops)
+  for stop, i in stops
+    str += ', ' if i
+    pos = stop[0]
+    color = stop[1]
+    str += translate(color, pos)
+  unquote(str)
+
+// webkit translation function
+
+webkit-stop(color, pos)
+  s('color-stop(%d, %s)', pos / 100, color)
+
+// mozilla translation function
+
+moz-stop(color, pos)
+  s('%s %s', color, pos)
+
+// create a linear gradient with the given start
+// position, followed by color stops
+
+linear-gradient(start, stops...)
+  error('color stops required') unless length(stops)
+  prop = current-property[0]
+  val = current-property[1]
+  stops = normalize-stops(stops)
+
+  // webkit
+  end = grad-point(opposite-position(start))
+  webkit = s('-webkit-gradient(linear, %s, %s, %s)', grad-point(start), end, join-stops(stops, webkit-stop))
+  add-property(prop, replace(val, '__CALL__', webkit))
+
+  // moz
+  stops = join-stops(stops, moz-stop)
+  moz = s('-moz-linear-gradient(%s, %s)', start, stops)
+  add-property(prop, replace(val, '__CALL__', moz))
+
+  // literal
+  s('linear-gradient(%s, %s)', start, stops)

web/public/stylesheets/style.css

@@ -0,0 +1,188 @@
+#chat,
+#nickname,
+#messages {
+  width: 600px;
+}
+#chat {
+  position: relative;
+  border: 1px solid #ccc;
+}
+#nickname,
+#connecting {
+  position: absolute;
+  height: 410px;
+  z-index: 100;
+  left: 0;
+  top: 0;
+  background: #fff;
+  text-align: center;
+  width: 600px;
+  font: 15px Georgia;
+  color: #666;
+  display: block;
+}
+#nickname .wrap,
+#connecting .wrap {
+  padding-top: 150px;
+}
+#nickname input {
+  border: 1px solid #ccc;
+  padding: 10px;
+}
+#nickname input:focus {
+  border-color: #999;
+  outline: 0;
+}
+#nickname #nickname-err {
+  color: #8b0000;
+  font-size: 12px;
+  visibility: hidden;
+}
+.connected #connecting {
+  display: none;
+}
+.nickname-set #nickname {
+  display: none;
+}
+#messages {
+  height: 380px;
+  background: #eee;
+}
+#messages em {
+  text-shadow: 0 1px 0 #fff;
+  color: #999;
+}
+#messages p {
+  padding: 0;
+  margin: 0;
+  font: 12px Helvetica, Arial;
+  padding: 5px 10px;
+}
+#messages p b {
+  display: inline-block;
+  padding-right: 10px;
+}
+#messages p:nth-child(even) {
+  background: #fafafa;
+}
+#messages #nicknames {
+  background: #ccc;
+  padding: 2px 4px 4px;
+  font: 11px Helvetica;
+}
+#messages #nicknames span {
+  color: #000;
+}
+#messages #nicknames b {
+  display: inline-block;
+  color: #fff;
+  background: #999;
+  padding: 3px 6px;
+  margin-right: 5px;
+  -webkit-border-radius: 10px;
+  -moz-border-radius: 10px;
+  border-radius: 10px;
+  text-shadow: 0 1px 0 #666;
+}
+#messages #lines {
+  height: 355px;
+  overflow: auto;
+  overflow-x: hidden;
+  overflow-y: auto;
+}
+#messages #lines::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+#messages #lines::-webkit-scrollbar-button:start:decrement,
+#messages #lines ::-webkit-scrollbar-button:end:increment {
+  display: block;
+  height: 10px;
+}
+#messages #lines::-webkit-scrollbar-button:vertical:increment {
+  background-color: #fff;
+}
+#messages #lines::-webkit-scrollbar-track-piece {
+  background-color: #fff;
+  -webkit-border-radius: 3px;
+}
+#messages #lines::-webkit-scrollbar-thumb:vertical {
+  height: 50px;
+  background-color: #ccc;
+  -webkit-border-radius: 3px;
+}
+#messages #lines::-webkit-scrollbar-thumb:horizontal {
+  width: 50px;
+  background-color: #fff;
+  -webkit-border-radius: 3px;
+}
+#send-message {
+  background: #fff;
+  position: relative;
+}
+#send-message input {
+  border: none;
+  height: 30px;
+  padding: 0 10px;
+  line-height: 30px;
+  vertical-align: middle;
+  width: 580px;
+}
+#send-message input:focus {
+  outline: 0;
+}
+#send-message button {
+  position: absolute;
+  top: 5px;
+  right: 5px;
+}
+button {
+  margin: 0;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none;
+  display: inline-block;
+  text-decoration: none;
+  background: #43a1f7;
+  background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #43a1f7), color-stop(1, #377ad0));
+  background: -webkit-linear-gradient(top, #43a1f7 0%, #377ad0 100%);
+  background: -moz-linear-gradient(top, #43a1f7 0%, #377ad0 100%);
+  background: linear-gradient(top, #43a1f7 0%, #377ad0 100%);
+  border: 1px solid #2e70c4;
+  -webkit-border-radius: 16px;
+  -moz-border-radius: 16px;
+  border-radius: 16px;
+  color: #fff;
+  font-family: "lucida grande", sans-serif;
+  font-size: 11px;
+  font-weight: normal;
+  line-height: 1;
+  padding: 3px 10px 5px 10px;
+  text-align: center;
+  text-shadow: 0 -1px 1px #2d6dc0;
+}
+button:hover,
+button.hover {
+  background: darker;
+  background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #43a1f7), color-stop(1, #2e70c4));
+  background: -webkit-linear-gradient(top, #43a1f7 0%, #2e70c4 100%);
+  background: -moz-linear-gradient(top, #43a1f7 0%, #2e70c4 100%);
+  background: linear-gradient(top, #43a1f7 0%, #2e70c4 100%);
+  border: 1px solid #2e70c4;
+  cursor: pointer;
+  text-shadow: 0 -1px 1px #2c6bbb;
+}
+button:active,
+button.active {
+  background: #2e70c4;
+  border: 1px solid #2e70c4;
+  border-bottom: 1px solid #2861aa;
+  text-shadow: 0 -1px 1px #2b67b5;
+}
+button:focus,
+button.focus {
+  outline: none;
+  -webkit-box-shadow: 0 1px 0 0 rgba(255,255,255,0.4), 0 0 4px 0 #377ad0;
+  -moz-box-shadow: 0 1px 0 0 rgba(255,255,255,0.4), 0 0 4px 0 #377ad0;
+  box-shadow: 0 1px 0 0 rgba(255,255,255,0.4), 0 0 4px 0 #377ad0;
+}

web/public/stylesheets/style.styl

@@ -0,0 +1,118 @@
+@import 'nib'
+
+#chat, #nickname, #messages
+  width 600px
+
+#chat
+  position relative
+  border 1px solid #ccc
+
+#nickname, #connecting
+  position absolute
+  height 410px
+  z-index 100
+  left 0
+  top 0
+  background #fff
+  text-align center
+  width 600px
+  font 15px Georgia
+  color #666
+  display block
+  .wrap
+    padding-top 150px
+
+#nickname
+  input
+    border 1px solid #ccc
+    padding 10px
+    &:focus
+      border-color #999
+      outline 0
+  #nickname-err
+    color darkred
+    font-size 12px
+    visibility hidden
+
+.connected
+  #connecting
+    display none
+
+.nickname-set
+  #nickname
+    display none
+
+#messages
+  height 380px
+  background #eee
+  em
+    text-shadow 0 1px 0 #fff
+    color #999
+  p
+    padding 0
+    margin 0
+    font 12px Helvetica, Arial
+    padding 5px 10px
+    b
+      display inline-block
+      padding-right 10px
+  p:nth-child(even)
+    background #fafafa
+  #nicknames
+    background #ccc
+    padding 2px 4px 4px
+    font 11px Helvetica
+    span
+      color black
+    b
+      display inline-block
+      color #fff
+      background #999
+      padding 3px 6px
+      margin-right 5px
+      border-radius 10px
+      text-shadow 0 1px 0 #666
+  #lines
+    height 355px
+    overflow auto
+    overflow-x hidden
+    overflow-y auto
+    &::-webkit-scrollbar
+      width 6px
+      height 6px
+    &::-webkit-scrollbar-button:start:decrement, ::-webkit-scrollbar-button:end:increment
+      display block
+      height 10px
+    &::-webkit-scrollbar-button:vertical:increment
+      background-color #fff
+    &::-webkit-scrollbar-track-piece
+      background-color #fff
+      -webkit-border-radius 3px
+    &::-webkit-scrollbar-thumb:vertical
+      height 50px
+      background-color #ccc
+      -webkit-border-radius 3px
+    &::-webkit-scrollbar-thumb:horizontal
+      width 50px
+      background-color #fff
+      -webkit-border-radius 3px
+
+#send-message
+  background #fff
+  position relative
+  input
+    border none
+    height 30px
+    padding 0 10px
+    line-height 30px
+    vertical-align middle
+    width 580px
+    &:focus
+      outline 0
+  button
+    position absolute
+    top 5px
+    right 5px
+
+button
+  download-button()