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coder.php
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coder.php
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<?php
require 'constants.php';
//unset($_COOKIE['pcii']); // Used for DEBUGGING, somtimes
$fp = fopen("sandbox/state.json","r");
if ($fp) {
flock($fp,LOCK_EX);
}
// TODO use fine read/write access as lock on giving out keys
// database
function areFinal() {
$serverState = file_get_contents("sandbox/state.json");
if (!isset($serverState)) {
return false;
}
$serverState = json_decode($serverState, true); // assoc: true
return (isset($serverState) && $serverState['step'] == "final");
}
$cookie = array();
if (isset($_COOKIE['pcii'])) {
$cookie = urldecode($_COOKIE['pcii']);
$cookie = json_decode($cookie,true); // assoc: true
}
$state = file_get_contents("sandbox/state.json");
$state = json_decode($state, true); // assoc: true
if ( !isset($state)
|| !isset($state['endTime'])
|| $state['endTime'] < time()
|| areFinal()) {
// give new expire time to client
$state['endTime'] = time() + $PERIOD_S;
$state['startTime'] = time();
$state['mode'] = "live";
$state['key'] = GUID();
file_put_contents("sandbox/state.json",json_encode($state)); // rewrite state info, for new
} elseif ( isset($_COOKIE['pcii'])
&& $state
&& $state['key']
&& $cookie['key'] != -1
&& $cookie['key'] == $state['key']
) {
// this is a return coder
$state['mode'] = "live";
} else {
$state['mode'] = "queued";
$state['key'] = -1; // don't give queued clients the key
}
if (isset($cookie['score'])) {
$state['score'] = $cookie['score'];
} else {
// no cookie so zero score
$state['score'] = 0;
}
if (isset($cookie['name'])) {
$state['name'] = $cookie['name'];
} else {
$state['name'] = '';
}
//var_dump($state);
//return;
setcookie("pcii", json_encode($state), time() + 30*24*60*60);
?>
<html>
<style type="text/css">
@import url(jquery-ui.css );
@import url(main.css);
</style>
<head>
<meta http-equiv="content-type" content="text/html;charset=UTF-8">
<title>Coder</title>
<script type="text/javascript" src="jquery-1.10.1.js"></script>
<script type="text/javascript" src="jquery-ui.js"></script>
<script type="text/javascript" src="nopaste.js"></script>
<script type="text/javascript" src="diff.js"></script>
<script type="text/javascript" src="common.js"></script>
<script type="text/javascript" src="scoreing.js"></script>
<script>
$(function() {
$( document ).tooltip();
});
</script>
</head>
<body onload='document.getElementById("code").focus();'>
<!--<span>server state: <?php var_dump($state); ?><span><br><br>-->
<div id="header"><img src="images/header_bar.jpg" alt="header graphic"><p class="logo"><a href="index.php" title="home">permanent deviation</a></p></div>
<div id="wrapper">
<p class="labels"><span>Username: <input type="text" id="name" name="name" title="Add an Alias" onBlur="nameSet()"></span><br>
<span>Score: </span><span id="score" class="labelresults"></span> <img src="images/button_grey_info.png" width="14" height="18" alt="tips" title="Comments = 2 points (help teach others). Number = 1 point. Keyword = 2 points. Processing language = 1 point. Removing code = 0 points."> <br>
<span>You are: </span><span id="state" class="labelresults"></span><br>
<span>Time: </span><span id="time" class="labelresults">...</span></p>
<p id="snapParent">
<button id="play" onclick="play();"><img src="images/button_grey_play.png" width="28" height="14" alt="Play"></button>
<button id="stop" onclick="stop();"><img src="images/button_grey_stop.png" width="28" height="14" alt="Stop"></button>
<button id="submit" onClick="submit();">Submit</button>
<button id="reload" onClick="location.reload();">Try to Code</button>
<button id="reset" onclick="resetCode();">Start Fresh</button>
<button id="replay">Replay Lastest Coding</button>
<button id="snapshot" onclick="snapshot();">Create Snapshot</button>
<script>
function snapshot() {
document.getElementById("snapParent").appendChild(createDownloadLink("sketch", "snapshot.png"))
}
</script>
</p>
<textarea id='code' class='unselectable' readyonly="readonly" onselectstart='return false;' onpaste='return false;' ondragstart='return false;'></textarea>
<div id='sketch-container' class="canwrapper"><canvas id='sketch' class='editor'></canvas> </div>
<textarea class="disabled" id="output" readonly>None.</textarea><p> <a href="http://permanentdeviation.com/reference.html" target="_blank"><img src="images/reference.png" width="204" height="25" alt="link to reference"></a></p></div>
<a style="display:none" id="sessionLink" href="replay.php?startTime=<?php echo $state['startTime'];?>&endTime=<?php echo $state['endTime'];?>">session replay link</a>
<script type="text/javascript" src="processing/processing.min.js"></script>
<script type="text/javascript" src="helper/jsbeautify.js"></script>
<script type="text/javascript" src="helper/processing-helper.js"></script>
<script type="text/javascript">
// JavaScript Globals
var SCORE_NEEDED = 50;
var codeSize = -1;
var codeChangedEnoughtToAllowSubmit = false;
var commentsAndWhiteSpace = new RegExp('/s+|(//.*$)','gm');
var g_previousCode="";
var g_previousTestCode="";
document.addEventListener("keydown", function(e) {
if (e.keyCode == 13 && e.metaKey) {
toggleFullScreen();
}
}, false);
document.addEventListener("keydown", function(e) {
if (e.keyCode == 69 && e.metaKey) { // Meta-E
exportPNG();
}
}, false);
function resetOk() {
return (state['score'] >= SCORE_NEEDED && state['mode'] == 'live');
}
function updateCodeSize(data) {
////console.log(data); // DEBUG
codeChangedEnoughtToAllowSubmit = false;
if (data) {
g_previousTestCode = g_previousCode = unescape(data["code"]);
codeSize = g_previousCode.length;
} else {
codeSize = -1;
}
console.log("::updateCodeSize, datalength is:" + codeSize); // DEBUG
}
function scoreAddition(frag) {
var ret = 0;
//console.log("Code Frag: " + frag);
var words = frag.split(/[$\n\t\s()\-,\d;\{\}]+/);
////console.log("Previous Words...");
////console.log(previousWords);
ret += 2*countReservedWords(frag);
ret += countNumbers(frag);
ret += countProcessingSpecial(frag);
ret += 2*countComments(frag);
return ret;
}
function codeToPoints() {
var points = 0; // return value
var codeEl = document.getElementById("code");
var code = codeEl.value;
var diff = JsDiff.diffChars(g_previousTestCode, code);
g_previousTestCode = code;
diff.forEach(function(part) {
if (part.added) {
var score = scoreAddition(part.value);
//console.log("Added...[" + part.value + "] : " + score + " points");
points += score;
}
/*
else if (part.removed) {
//console.log("Removed...");
//console.log(part);
}
else {
// common
////console.log("common..."); console.log(part);
}
*/
});
//if (points > 0) console.log("Run Sketch Success Result! YOU POINTS: " + points);
//console.log("::codeToPoints new points, " + points);
return points;
}
function upload(step, callback_fn) {
console.log("upload(...)");
if (state == undefined) {
console.log("upload() balked no state");
return;
}
if (state['mode'] != "live" || state['key'] == -1) {
console.log("upload() balked not live | no key -1");
return;
}
if (codeSize == -1) {
console.log("upload() balked codeSize -1");
return;
}
var code = document.getElementById("code").value;
var name = document.getElementById("name").value;
//console.log("code.length: " + code.length);
//console.log("codeSize: " + codeSize);
if ( code.length < codeSize-20 || code.length > codeSize+20 ) {
if (!resetOk()) {
download(updateCodeSize);
alert("Sorry, Changes of Code larger than (40 char), are prevented (so people can see your Write the code");
return;
} else {
state['score'] = 0;
saveStateToCookie();
console.log("score reset to 0");
}
}
$.post('upload.php',
'{' + '\n' +
'"step" : "' + step + '"\n'+
',"name" : "' + name + '"\n'+
',"time" : ' + Math.floor(new Date().getTime()/1000) + "\n" +
',"score" : ' + state['score'] + "\n" +
',"endTime" : ' + state['endTime'] + "\n" +
',"code": "' + escape(code) + '"\n'+
"}\n" ,
function(data) {
//console.log("upload sucess");
//console.log(data);
codeSize = code.length;
if (callback_fn) {
callback_fn(data);
} else {
}
}
);
}
function updateSessionLink(data) {
var url = href("replay", {'startTime' : state['startTime'], 'endTime' : data['uploadTime'] });
state['uploadTime'] = data['uploadTime'];
el = document.getElementById("sessionLink");
if (!el) {
console.warn("Can't Find sessionlink Element");
return;
}
el.href = url;
var addThisCont = document.getElementById("addthis_container");
if (addThisCont) {
addThisCont.setAttribute("addthis:url", url);
//console.log("Updated addThis to:...");
//console.log(addThisCont);
} else {
//console.log("can't fine addthis_container");
}
};
function finalUpload() {
upload("final", function(data) {
//console.log("Final Upload Result:... ");
data = $.parseJSON(data);
//console.log(data);
//console.log({ 'startTime' : state['startTime'], 'endTime' : data['uploadTime'] });
updateSessionLink(data);
state['mode'] = 'queued';
submitTime = state['endTime'] = data['uploadTime'];
});
}
var submitTime = -1;
function submit() {
updateSessionLink({ uploadTime: time() });
if (!codeChangedEnoughtToAllowSubmit) {
//console.log("Balked on submit, no new code");
return;
}
document.getElementById("output").innerHTML = "Running...";
runSketch(function(e) {
// call back error
//console.log("Code Error:...");
//console.log(e);
var codeEl = document.getElementById("code");
g_previousTestCode = codeEl.value; // wipe out chance to get score with those changes
finalUpload();
}, function(d) {
state['score'] += codeToPoints();
console.log("About to Upload");
console.log(state);
saveStateToCookie();
finalUpload();
});
}
function play() {
runSketch(function(e) {
// call back error
//console.log("Code Error:...");
//console.log(e);
upload("test");
//console.log(":(");
var codeEl = document.getElementById("code");
g_previousTestCode = codeEl.value; // wipe out chance to get score with those changes
}, function() {
// call back sucess
state['score'] += codeToPoints();
saveStateToCookie();
upload("test");
});
}
function stop() {
upload("stop");
stopSketch();
}
function canTryAgain() {
var b_canTryAgain =
(state['mode'] != 'live' && state['key'] == -1 && state['endTime'] < time() )
// time expires
||
(state['mode'] != 'live' && state['key'] != -1 && (submitTime + RETRY_DELAY < time()))
// we submited and then have to wait RETRY_DELAY to give others a chance
||
(state['mode'] == 'queued' && lastFrame && lastFrame['step'] == "final" && (submitTime + RETRY_DELAY < time()) && (lastFrame['time'] + 10 < time()))
// we are watching and see a final step, and have not submitted lately, and final step is old
;
////console.log(state);
return b_canTryAgain;
}
var watchingTime = -1;
var lastFrame = null;
function watcher_callback(newFrame) {
if (newFrame['time'] == watchingTime) return; // got the same frame
lastFrame = newFrame;
watchingTime = newFrame['time'];
var scoreEl = document.getElementById("score");
var stateEl = document.getElementById("state");
var timeEl = document.getElementById("time");
scoreEl.innerHTML = state['score'];
var codeEl = document.getElementById("code");
if (newFrame['step'] == 'test' || newFrame['step'] == 'final') {
if (stateEl) {
stateEl.innerHTML = "Watching: " +
((newFrame['step'] == 'test')
? "Running Code" : "Final Code Running");
}
//console.log("Running Sketch");
runSketch();
} else if (newFrame['step'] == 'stop') {
if (stateEl) {
stateEl.innerHTML = "Watching: Code Stopped";
}
//console.log("Stopping Sketch");
stopSketch();
} else {
if (stateEl) stateEl.innerHTML = "Watching: Code Altered";
}
}
function updatePage() {
var scoreEl = document.getElementById("score");
var stateEl = document.getElementById("state");
var timeEl = document.getElementById("time");
scoreEl.innerHTML = state['score'];
var timeRemaining = calcRemainingTime(state['endTime']);
if (timeRemaining >= 0 ) {
timeEl.innerHTML = durToHMS(timeRemaining) + " remaining";
}
var codeEl = document.getElementById("code");
if (state['mode'] == 'live' && timeRemaining <= 0) {
//console.log("time ran out, queueing"); // DEBUG
state['mode'] = 'queued';
submit();
timeEl.innerHTML = "TIMES UP";
} else if (state['mode'] == 'queued') {
download(watcher_callback); // watch
}
if (state['mode'] == 'live') {
codeEl.className = "normal";
codeEl.readOnly = false ;
stateEl.innerHTML = 'LIVE CODING';
} else {
codeEl.className = "disabled";
codeEl.readOnly = true ;
}
$('#play').button("option", "disabled",
!(state['mode']=='live') );
$('#submit').button("option", "disabled",
!(state['mode']=='live' && codeChangedEnoughtToAllowSubmit) );
$('#reset').button("option", "disabled",
!resetOk() );
$('#reload').button("option", "disabled",
!(canTryAgain()) );
$('#stop').button("option", "disabled",
!(state['mode']=='live') );
$('#replay').button("option", "disabled",
!(state['mode']!='live'));
}
function resetCode() {
var codeEl = document.getElementById("code");
codeEl.value = DEFAULT_CODE;
state['score'] = 0;
saveStateToCookie();
upload("update");
}
</script>
<script type="text/javascript">
initCookieToState();
$(document).ready(function () {
$('button').button();
$('button').button("option", "disabled", true );
$('#play').button("option", "disabled", false );
$('#snapshot').button("option", "disabled", false );
$('#name').prop('disabled',false);
$('#replay').click( function() {
//location.href = href("replay"); // last 300 steps
var params = { 'startTime' : state['startTime'] };
if (state['uploadTime']) {
params.endTime = state['uploadTime'];
} else {
params.endTime = state['endTime'];
}
location.href = href("replay", params);
});
$(window).bind('beforeunload', function(){
if (state['mode'] == 'live' && codeChangedEnoughtToAllowSubmit) {
return "You have NOT submited your code yet.";
}
});
$('#code').keyup(function(evt) {
if(isNavKey(evt.which)) {
////console.log(evt.keyCode);
////console.log("Ignoring Nav key " + evt.which);
return;
}
//if code and g_previousCode is significantly different, upload
var codeEl = document.getElementById("code");
var code = codeEl.value;
if (!codeChangedEnoughtToAllowSubmit && code.replace(commentsAndWhiteSpace," ") ==
g_previousCode.replace(commentsAndWhiteSpace," ")) {
//console.log("no change, submit greyed");
} else {
codeChangedEnoughtToAllowSubmit = true;
}
upload('update');
});
console.log("Initial Download - Started");
download(updateCodeSize); // initial download for lastest code
if (state['name']) {
var nameEl = document.getElementById("name");
nameEl.value = state['name'];
}
////console.log("Expire Time: " + new Date(state['endTime']*1000).toString());
updatePage();
var g_timer = setInterval("updatePage();",1000);
});
</script>
<!-- AddThis Button BEGIN -->
<p>
<div id="addthis_container" class="addthis_toolbox addthis_floating_style addthis_20x20_style" style="right:3px; top:65px;">
<a class="addthis_button_facebook"></a>
<a class="addthis_button_twitter"></a>
<a class="addthis_button_email"></a>
<a class="addthis_button_google_plusone_share"></a>
</div>
<script type="text/javascript">
var addthis_config = {
data_track_addressbar : true,
};
var addThisCont = document.getElementById("addthis_container");
var el = document.getElementById('sessionLink');
if (!el) {
console.warn("Can't Find sessionlink Element");
} else {
//console.log("Add This Replay URL: " + el.href);
addThisCont.setAttribute("addthis:url", el.href);
}
</script>
<script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-52dd6b4d43bce6fc"></script>
</p>
<!-- AddThis Button END -->
</body>
</html>