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index.html
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index.html
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<html>
<head>
<script src='/_ah/channel/jsapi'></script>
<style type='text/css'>
body {
font-family: 'Helvetica';
}
#board {
width:152px;
height: 152px;
margin: 20px auto;
}
#display-area {
text-align: center;
}
#this-game {
font-size: 9pt;
}
#winner {
}
table {
border-collapse: collapse;
}
td {
width: 50px;
height: 50px;
font-family: "Helvetica";
font-size: 16pt;
text-align: center;
vertical-align: middle;
margin:0px;
padding: 0px;
}
div.cell {
float: left;
width: 50px;
height: 50px;
border: none;
margin: 0px;
padding: 0px;
}
div.mark {
position: absolute;
top: 15px;
}
div.l {
border-right: 1pt solid black;
}
div.c {
}
div.r {
border-left: 1pt solid black;
}
div.t {
border-bottom: 1pt solid black;
}
div.m {
}
div.b {
border-top: 1pt solid black;
}
</style>
</head>
<body>
<script type='text/javascript'>
var state = {
game_key: '{{ game_key }}',
me: '{{ me }}'
};
updateGame = function() {
for (i = 0; i < 9; i++) {
var square = document.getElementById(i);
square.innerHTML = state.board[i];
if (state.winner != '' && state.winningBoard != '') {
if (state.winningBoard[i] == state.board[i]) {
if (state.winner == state.me) {
square.style.background = "green";
} else {
square.style.background = "red";
}
} else {
square.style.background = "white";
}
}
}
var display = {
'other-player': 'none',
'your-move': 'none',
'their-move': 'none',
'you-won': 'none',
'you-lost': 'none',
'board': 'block',
'this-game': 'block',
};
if (!state.userO || state.userO == '') {
display['other-player'] = 'block';
display['board'] = 'none';
display['this-game'] = 'none';
} else if (state.winner == state.me) {
display['you-won'] = 'block';
} else if (state.winner != '') {
display['you-lost'] = 'block';
} else if (isMyMove()) {
display['your-move'] = 'block';
} else {
display['their-move'] = 'block';
}
for (var label in display) {
document.getElementById(label).style.display = display[label];
}
};
isMyMove = function() {
return (state.winner == "") &&
(state.moveX == (state.userX == state.me));
}
myPiece = function() {
return state.userX == state.me ? 'X' : 'O';
}
sendMessage = function(path, opt_param) {
path += '?g=' + state.game_key;
if (opt_param) {
path += '&' + opt_param;
}
var xhr = new XMLHttpRequest();
xhr.open('POST', path, true);
xhr.send();
};
moveInSquare = function(id) {
if (isMyMove() && state.board[id] == ' ') {
sendMessage('/move', 'i=' + id);
}
}
highlightSquare = function(id) {
if (state.winner != "") {
return;
}
for (i = 0; i < 9; i++) {
if (i == id && isMyMove()) {
if (state.board[i] = ' ') {
color = 'lightBlue';
} else {
color = 'lightGrey';
}
} else {
color = 'white';
}
document.getElementById(i).style['background'] = color;
}
}
onOpened = function() {
sendMessage('/opened');
};
onMessage = function(m) {
newState = JSON.parse(m.data);
state.board = newState.board || state.board;
state.userX = newState.userX || state.userX;
state.userO = newState.userO || state.userO;
state.moveX = newState.moveX;
state.winner = newState.winner || "";
state.winningBoard = newState.winningBoard || "";
updateGame();
}
openChannel = function() {
var token = '{{ token }}';
var channel = new goog.appengine.Channel(token);
var handler = {
'onopen': onOpened,
'onmessage': onMessage,
'onerror': function() {},
'onclose': function() {}
};
var socket = channel.open(handler);
socket.onopen = onOpened;
socket.onmessage = onMessage;
}
initialize = function() {
openChannel();
var i;
for (i = 0; i < 9; i++) {
var square = document.getElementById(i);
square.onmouseover = new Function('highlightSquare(' + i + ')');
square.onclick = new Function('moveInSquare(' + i + ')');
}
onMessage({data: '{{ initial_message }}'});
}
setTimeout(initialize, 100);
</script>
<div id='display-area'>
<h2>Channel-based Tic Tac Toe</h2>
<div id='other-player' style='display:none'>
Waiting for another player to join.<br>
Send them this link to play:<br>
<div id='game-link'><a href='{{ game_link }}'>{{ game_link }}</a></div>
</div>
<div id='your-move' style='display:none'>
Your move! Click a square to place your piece.
</div>
<div id='their-move' style='display:none'>
Waiting for other player to move...
</div>
<div id='you-won'>
You won this game!
</div>
<div id='you-lost'>
You lost this game.
</div>
<div id='board'>
<div class='t l cell'><table><tr><td id='0'></td></tr></td></table></div>
<div class='t c cell'><table><tr><td id='1'></td></tr></td></table></div>
<div class='t r cell'><table><tr><td id='2'></td></tr></td></table></div>
<div class='m l cell'><table><tr><td id='3'></td></tr></td></table></div>
<div class='m c cell'><table><tr><td id='4'></td></tr></td></table></div>
<div class='m r cell'><table><tr><td id='5'></td></tr></td></table></div>
<div class='b l cell'><table><tr><td id='6'></td></tr></td></table></div>
<div class='b c cell'><table><tr><td id='7'></td></tr></td></table></div>
<div class='b r cell'><table><tr><td id='8'></td></tr></td></table></div>
</div>
<div id='this-game' float='top'>
Quick link to this game: <span id='this-game-link'><a href='{{ game_link }}'>{{ game_link }}</a></span>
</div>
</div>
</body>
</html>