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<!DOCTYPE html>
<html>
<head>
<title>Decimal Calculator Client</title>
<style>
body {
font-family: Segoe UI,Tahoma,Arial,Verdana,sans-serif;
}
#calcdisplay {
color: #333;
background-color: #fff;
padding: 0.2em;
min-height: 3em;
text-align: right;
}
#calc {
margin: 60px;
background-color: #028ec9;
padding: 1em;
border-radius: 0.5em;
}
#calc td {
height: 100%;
}
#calc button {
width: 100%;
height: 100%;
min-height: 3em;
min-width: 3em;
}
</style>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="/autobahn.min.js"></script>
<script type="text/javascript">
var sess = null;
var clearFirst = false;
$(document).ready(function()
{
// the URL of the WAMP Router (e.g. Crossbar.io)
//
var wsuri;
if (document.location.origin == "file://") {
wsuri = "ws://localhost:8080/ws";
} else {
wsuri = "ws://" + document.location.hostname + ":8080/ws";
}
// connect to WAMP server
//
var connection = new autobahn.Connection({
url: wsuri,
realm: 'crossbardemo'
});
connection.onopen = function (session) {
console.log("connected to " + wsuri);
sess = session;
};
connection.onclose = function (reason, details) {
console.log("connection gone", reason, details);
sess = null;
}
connection.open();
});
function key_digit(d) {
var s = $('#calcdisplay').html();
if (clearFirst) {
if (d == ".") {
s = "0.";
} else {
s = d;
}
clearFirst = false;
} else {
if (d == ".") {
if (s.indexOf(".") == -1) {
s += ".";
}
}
else {
if (s == "0") {
s = d;
}
else {
s += d;
}
}
}
$('#calcdisplay').html(s);
}
function key_op(op) {
var args = null;
var proc;
if (op == "C") {
proc = "com.example.calculator.clear";
} else {
proc = "com.example.calculator.calc";
args = [op, $('#calcdisplay').html()];
}
sess.call(proc, args).then(
function (res) {
$('#calcdisplay').html(res);
},
function (err) {
alert("Error (" + err.reason + ")");
}
);
clearFirst = true;
}
</script>
</head>
<body>
<h1>Decimal Calculator Client</h1>
<noscript>
<span style="color: #f00; font-weight: bold;">
You need to turn on JavaScript.
</span>
</noscript>
<table id="calc">
<tr>
<td id="calcdisplay" colspan="5">0</td>
</tr>
<tr><td style="height: 0.5em;" colspan="5"></td></tr>
<tr>
<td><button onclick='key_digit("7");'>7</button></td>
<td><button onclick='key_digit("8");'>8</button></td>
<td><button onclick='key_digit("9");'>9</button></td>
<td><button onclick='key_op("/");'>/</button></td>
<td rowspan="2"><button onclick='key_op("C");'>C</button></td>
</tr>
<tr>
<td><button onclick='key_digit("4");'>4</button></td>
<td><button onclick='key_digit("5");'>5</button></td>
<td><button onclick='key_digit("6");'>6</button></td>
<td><button onclick='key_op("*");'>*</button></td>
</tr>
<tr>
<td><button onclick='key_digit("1");'>1</button></td>
<td><button onclick='key_digit("2");'>2</button></td>
<td><button onclick='key_digit("3");'>3</button></td>
<td><button onclick='key_op("-");'>-</button></td>
<td rowspan="2"><button onclick='key_op("=");'>=</button></td>
</tr>
<tr>
<td colspan="2"><button onclick='key_digit("0");'>0</button></td>
<td><button onclick='key_digit(".");'>.</button></td>
<td><button onclick='key_op("+");'>+</button></td>
</tr>
</table>
</body>
</html>
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