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Wish the web server handles route {/page/(.*)$} with handler {
if {[regexp -all {/page/(\d*)$} $path whole_match program_id]} {
set filename "../folk-printed-programs/$program_id.folk"
set fp [open $filename r]
set file_data [read $fp]
close $fp
} elseif {[regexp -all {/page/(.*)$} $path whole_match program_id]} {
set filename "virtual-programs/$program_id.folk"
set fp [open $filename r]
set file_data [read $fp]
close $fp
}
html [string map [list file_data [htmlEscape $file_data] program_id $program_id file_name $filename] {
<html>
<body>
<div>
<span id="status">Status</span>
<button onclick="handleSave()">Save</button>
<button id="print" onclick="handlePrint()">Print</button>
</div>
<textarea id="code" style="width: 100%;height: 95vh;">file_data</textarea>
<pre id="error"></pre>
<script>
const isVirtualProgram = 'file_name'.includes('virtual-programs');
if (isVirtualProgram) {
document.getElementById("print").disabled = true;
}
const codeEle = document.getElementById("code");
function uuidv4() {
return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
);
}
// Cmd + S || Ctrl + S => Save
document.addEventListener('keydown', function(e) {
if ((window.navigator.platform.match('Mac') ? e.metaKey : e.ctrlKey) && e.keyCode == 83) {
e.preventDefault();
handleSave();
}
}, false);
// Cmd + P || Ctrl + P => Print
document.addEventListener('keydown', function(e) {
if ((window.navigator.platform.match('Mac') ? e.metaKey : e.ctrlKey) && e.keyCode == 80) {
e.preventDefault();
handlePrint();
}
}, false);
let ws;
let send;
function wsConnect() {
ws = new WebSocket(window.location.origin.replace("http", "ws") + "/ws");
send = function(s) { ws.send(s); }
ws.onopen = () => {
document.getElementById('status').innerHTML = "<span style=background-color:seagreen;color:white;>Connnected</span>";
};
ws.onclose = window.onbeforeunload = () => {
document.getElementById('status').innerHTML = "<span style=background-color:red;color:white;>Disconnnected</span>";
setTimeout(() => { wsConnect(); }, 1000);
};
ws.onerror = (err) => {
document.getElementById('status').innerText = "Error";
console.error('Socket encountered error: ', err.message, 'Closing socket');
ws.close();
}
ws.onmessage = (msg) => {
if (msg.data.startsWith("Error:")) {
const errorEl = document.getElementById("error");
if (msg.data === "Error:") {
errorEl.style.backgroundColor = "";
errorEl.innerText = "";
} else {
errorEl.style.backgroundColor = "#f55";
errorEl.innerText = msg.data;
}
}
}
};
wsConnect();
function handleSave() {
const code = document.getElementById("code").value;
send(`
set fp [open file_name w]
puts -nonewline $fp {${code}}
close $fp
puts "Saved program_id.folk"
`);
if (isVirtualProgram) {
send(`EditVirtualProgram file_name {${code}}`)
}
[500, 1000, 3000].forEach(timeout => {
setTimeout(() => {
send(`
set errors [Statements::findMatches [list program_id has error /err/ with info /errorInfo/]]
::websocket::send $chan text [join [list "Error:" {*}[lmap e $errors {dict get $e errorInfo}]] "\n"]
`);
}, 500);
});
}
let jobid;
function handlePrint() {
const code = document.getElementById("code").value;
jobid = String(Math.random());
send(`Assert web wishes to print program program_id with code {${code}} with job id {${jobid}}`);
setTimeout(500, () => {
send(`Retract web wishes to print program program_id with code {${code}} with job id {${jobid}}`);
});
}
</script>
</body>
</html>
}]
}
|
