Write frontend
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2 changed files with 402 additions and 62 deletions
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@ -3,48 +3,205 @@
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width">
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<title>LED strip control</title>
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<title>LAP</title>
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<style type="text/css">
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html, body {
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background-color: white;
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background-color: #222;
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color: #fff;
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}
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body {
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font-family: sans-serif;
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font-family: monospace;
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}
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input, button, textarea {
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color: inherit;
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background-color: #222;
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padding: 1ex;
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border-radius: 1ex;
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border: 1px solid #777;
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font-family: inherit;
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font-size: inherit;
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box-sizing: border-box;
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box-shadow: 0.4em 0.4em 1em #0d0d0d inset;
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}
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input:focus, button:focus, textarea:focus {
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border-color: #6688ff;
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outline: none;
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}
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button {
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padding: 0.5ex 1ex;
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box-shadow: -0.4em -0.4em 1em #0d0d0d inset, 0.2em 0.2em 0.5em #1d1d1d;
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cursor: pointer;
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}
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button:hover {
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border-color: #656565;
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}
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button:active {
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box-shadow: 0.4em 0.4em 1em #0d0d0d inset, 0.2em 0.2em 0.5em #1d1d1d;
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}
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input[disabled], button[disabled], textarea[disabled] {
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box-shadow: none;
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border-color: #777;
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}
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button[disabled] {
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color: #777;
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cursor: default;
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}
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svg {
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width: 100%;
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max-width: 600px;
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height: 50px;
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}
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h1 {
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text-align: center;
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}
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.yesscript {
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display: none;
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}
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.segment {
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font-size: 70%;
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display: inline-block;
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height: 1em;
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line-height: 1em;
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cursor: pointer;
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border: 1px solid transparent;
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margin: 1px;
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margin-bottom: 2em;
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padding: 2px;
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box-shadow: 0 0.2em 0.5em #1d1d1d;
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position: relative;
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z-index: 100;
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}
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.segment:first-child {
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border-top-left-radius: 0.75em;
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border-bottom-left-radius: 0.75em;
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}
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.segment:last-child {
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border-top-right-radius: 0.75em;
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border-bottom-right-radius: 0.75em;
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}
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.segment.active {
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border-color: #fff;
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z-index: 101;
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}
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.segment:focus, .segment:hover {
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border-color: #6688ff;
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}
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#owner_label {
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position: absolute;
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display: none;
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z-index: 300;
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background-color: #4466dd;
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border-radius: 0.5em;
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padding: 0.2em 0.4em;
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color: white;
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font-size: 1em;
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line-height: 1em;
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}
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.led {
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display: inline-block;
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height: 6px;
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width: 6px;
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border-radius: 6px;
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margin-left: 2px;
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margin-right: 2px;
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background-color: #fff;
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opacity: 0.5;
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}
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.segment.active .led {
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opacity: 0.75;
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}
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#segment-control, #program {
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display: none;
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}
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#owner_line {
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line-height: 3em;
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}
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#lua_editor {
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width: 100%;
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height: 200px;
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}
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</style>
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<script type="application/javascript">
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(function() {
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"use strict";
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var styleObject = document.createElement("style");
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styleObject.innerHTML = ".yesscript { display: initial; }";
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styleObject.innerHTML = ".yesscript { display: block; }";
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document.head.appendChild(styleObject);
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})();
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</script>
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</head>
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<body>
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<h1>LED strip control</h1>
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<div id="owner_label"></div>
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<p class="noscript">This application requires JavaScript.</p>
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<div class="yesscript"><input type="text" name="us" id="us" onchange="ledStripControl.updateUs()"></div>
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<svg id="segments" class="yesscript">
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<h1>Zeus WPI – LED-Automaten-Programmatie</h1>
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</svg>
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<p class="noscript">Voor deze applicatie is helaas JavaScript vereist.</p>
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<div id="configuration" class="yesscript">
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<h2>Configuratie</h2>
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Je schuilnaam: <input type="text" name="us" id="us" onchange="ledStripControl.updateUs()">
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</div>
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<div id="led-strip" class="yesscript">
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<h2>LED-strip</h2>
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<div id="segments">
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LED-strip wordt geladen...
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</div>
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</div>
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<div id="segment-control">
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<h2>Segmentcontrole</h2>
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<div>
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Segment <b id="active_segment_id"></b>
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van LED <b id="active_segment_begin"></b>
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tot <b id="active_segment_end"></b>
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</div>
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<div id="owner_line">Toegewezen aan: <b id="active_segment_owner"></b> <button id="claim_button"></button> <button id="release_button"></button></div>
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</div>
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<div id="program">
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<h2>Programma</h2>
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<p id="not-your-own">Dit segment is niet van jou. Je kunt de code enkel bekijken.</p>
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<textarea id="lua_editor" spellcheck="false"></textarea>
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<div id="program-controls">
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<button id="publish-button">Publiceren</button>
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<p>De code wordt niet bestendig bewaard. <strong>Sla ze zelf op op je computer.</strong> Gebruik dit veld bij voorkeur enkel om naar te kopiëren-en-plakken.</p>
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</div>
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<div id="program-instructions">
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<p>Programmeer je segment in Lua. Voor je code lijkt het alsof je LED 0 tot <span id="active_segment_last_virtual">x</span> hebt. Extra beschikbare functies:</p>
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<dl>
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<dt>led(led_nr, r, g, b)</dt>
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<dd>Stel LED <i>led_nr</i> in op de kleur met gegeven RGB-waarden (0–255)</dd>
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<dt>ledamount(something, probably)</dt>
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<dd>Uhh</dd>
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<dt>delay(ms)</dt>
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<dd>Wacht gedurende <i>ms</i> milliseconden</dd>
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<dt>waitframes(frames)</dt>
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<dd>Wacht gedurende <i>frames</i> frames</dd>
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<dt>print(message)</dt>
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<dd>Stuur <i>message</i> naar de console</dd>
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</dl>
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</div>
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</div>
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<script type="application/javascript">
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var ledStripControl = (function() {
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(function() {
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"use strict";
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var objects = document.getElementsByClassName("noscript");
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@ -53,57 +210,9 @@ var ledStripControl = (function() {
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objects[i].parentElement.removeChild(objects[i]);
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}
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}
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var HOST = "http://10.1.0.212:8080";
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function getJson(url, callback) {
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function reqListener() {
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callback(JSON.parse(this.responseText));
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}
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var oReq = new XMLHttpRequest();
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oReq.addEventListener("load", reqListener);
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oReq.open("GET", url);
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oReq.send();
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}
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var us = null;
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function updateUs() {
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us = document.getElementById("us").value;
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showSegments();
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}
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updateUs();
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var segments = null;
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function saveAndShowSegments(segs) {
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segments = segs;
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showSegments();
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}
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function showSegments() {
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var segmentsContent = "";
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if (segments !== null) for (var i in segments) {
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var seg = segments[i];
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var color = seg.owner == "" ? "gray" : seg.owner == us ? "green" : "red";
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var left = 12.5 + (7 * parseFloat(seg.begin));
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console.log(left);
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segmentsContent += '<rect' +
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' width="100" height="25"' +
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' x="' + left + '" y="12.5"' +
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' rx="12.5" ry="12.5"' +
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' id="segment' + seg.id + '" ' +
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' fill="' + color + '"/>';
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}
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document.getElementById("segments").innerHTML = segmentsContent;
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}
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getJson(HOST + "/api/segments.json", saveAndShowSegments);
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return {
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updateUs: updateUs,
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};
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})();
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</script>
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<script type="application/javascript" src="main.js"></script>
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</body>
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</html>
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231
frontend/main.js
Normal file
231
frontend/main.js
Normal file
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@ -0,0 +1,231 @@
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var ledStripControl = (function() {
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"use strict";
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var HOST = "http://localhost:8080";
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var segments = null;
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var activeSegmentId = null;
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var us = null;
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function xhr(url, method, data, callback) {
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var oReq = new XMLHttpRequest();
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if (callback) {
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function reqListener() {
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var json = null;
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try { json = JSON.parse(this.responseText); } catch(e) {}
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callback(json);
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}
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oReq.addEventListener("load", reqListener);
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}
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oReq.open(method, url);
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oReq.send(data);
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}
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function getJson(url, callback) {
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xhr(url, "GET", "", callback);
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}
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function putJson(url, data, callback) {
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xhr(url, "PUT", JSON.stringify(data), callback);
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}
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function updateUs() {
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us = document.getElementById("us").value;
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showSegments();
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}
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updateUs();
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function saveAndShowSegments(segs) {
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segments = {};
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for (var i in segs) {
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segments[segs[i].id] = segs[i];
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}
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showSegments();
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}
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function fetchSegments() {
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getJson(HOST + "/api/segments.json", saveAndShowSegments);
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}
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function activateSegment(segment) {
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activeSegmentId = segment.id;
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getJson(HOST + "/api/segments.json", saveAndShowSegments);
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showSegments();
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document.getElementById("segment-control").style.display = "block";
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}
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function repeatString(text, amount) {
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var result = "";
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for (var i = 0; i < amount; i++) {
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result += text;
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}
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return result;
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}
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function showSegmentEventListener(e) {
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if (e.currentTarget.dataset["segment"] !== "true") return;
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var id = e.currentTarget.dataset["id"];
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activateSegment(segments[id]);
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e.stopPropagation();
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}
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function showOwnerEventListener(e) {
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if (e.currentTarget.dataset["segment"] !== "true") return;
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var owner = e.currentTarget.dataset["owner"];
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if (owner) {
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document.getElementById("owner_label").innerText = owner;
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} else {
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document.getElementById("owner_label").innerHTML = "<i>Vrij</i>";
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}
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document.getElementById("owner_label").style.display = "block";
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document.getElementById("owner_label").style.left = (e.currentTarget.clientWidth/2 + e.currentTarget.offsetLeft - document.getElementById("owner_label").clientWidth/2) + "px";
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document.getElementById("owner_label").style.top = (e.currentTarget.offsetTop - document.getElementById("owner_label").clientHeight - 2) + "px";
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e.stopPropagation();
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}
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function hideOwnerEventListener(e) {
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if (e.currentTarget.dataset["segment"] !== "true") return;
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document.getElementById("owner_label").innerHTML = "";
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document.getElementById("owner_label").style.display = "none";
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}
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function updatePublishButton() {
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var activeSegment = activeSegmentId !== null ? segments[activeSegmentId] : null;
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if (document.getElementById("lua_editor").value == activeSegment.code) {
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document.getElementById("publish-button").innerText = "Gepubliceerd";
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document.getElementById("publish-button").setAttribute("disabled", "disabled");
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} else {
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document.getElementById("publish-button").innerText = "Publiceren";
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document.getElementById("publish-button").removeAttribute("disabled");
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}
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}
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function showSegments() {
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var segmentsContainer = document.getElementById("segments");
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segmentsContainer.innerHTML = "";
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var prevSegEnd = 0;
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if (segments !== null) for (var i in segments) {
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if (!segments.hasOwnProperty(i)) continue;
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var seg = segments[i];
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var color = seg.owner === "" ? "#555" : seg.owner === us ? "#050" : "#700";
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var unsegmented = parseFloat(seg.begin) - prevSegEnd;
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if (unsegmented > 0) {
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var unsegmented_el = document.createElement("span");
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unsegmented_el.className = "unsegmented";
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unsegmented_el.innerHTML = repeatString("<span class='led'></span>", unsegmented);
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segmentsContainer.append(unsegmented_el);
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}
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var rect = document.createElement("a");
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rect.className = seg.id === activeSegmentId ? "active segment" : "segment";
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rect.style.backgroundColor = color;
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rect.id = "segment" + seg.id;
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rect.href = "#segment" + seg.id;
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rect.dataset["segment"] = "true";
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rect.dataset["owner"] = seg.owner;
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rect.dataset["id"] = seg.id;
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rect.addEventListener("click", showSegmentEventListener);
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rect.addEventListener("focus", showOwnerEventListener);
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rect.addEventListener("blur", hideOwnerEventListener);
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rect.addEventListener("mouseover", showOwnerEventListener);
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rect.addEventListener("mouseout", hideOwnerEventListener);
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rect.innerHTML = repeatString("<span class='led'></span>", seg.length);
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segmentsContainer.appendChild(rect);
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prevSegEnd = seg.begin + seg.length;
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}
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var activeSegment = activeSegmentId !== null ? segments[activeSegmentId] : null;
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if (activeSegment !== null) {
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document.getElementById("active_segment_id").innerText = activeSegmentId;
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document.getElementById("active_segment_begin").innerText = activeSegment.begin;
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document.getElementById("active_segment_end").innerText = activeSegment.begin + activeSegment.length - 1;
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document.getElementById("active_segment_last_virtual").innerText = activeSegment.length - 1;
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updatePublishButton();
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document.getElementById("lua_editor").value = activeSegment.code;
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if (activeSegment.owner !== "" && activeSegment.owner === us) {
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document.getElementById("release_button").style.display = "";
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document.getElementById("release_button").innerText = "Onteigen";
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document.getElementById("release_button").removeAttribute("disabled");
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document.getElementById("lua_editor").removeAttribute("disabled");
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document.getElementById("not-your-own").style.display = "none";
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document.getElementById("program-controls").style.display = "block";
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document.getElementById("program-instructions").style.display = "block";
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} else {
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document.getElementById("release_button").style.display = "none";
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document.getElementById("lua_editor").setAttribute("disabled", "disabled");
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document.getElementById("not-your-own").style.display = "block";
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document.getElementById("program-controls").style.display = "none";
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document.getElementById("program-instructions").style.display = "none";
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}
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if (activeSegment.owner !== "") {
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document.getElementById("active_segment_owner").innerText = activeSegment.owner;
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document.getElementById("claim_button").style.display = "none";
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document.getElementById("program").style.display = "block";
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} else {
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document.getElementById("active_segment_owner").innerText = "nog niemand";
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document.getElementById("claim_button").style.display = "";
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document.getElementById("claim_button").innerText = "Eigen je toe";
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document.getElementById("claim_button").removeAttribute("disabled");
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document.getElementById("program").style.display = "none";
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}
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||||
}
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}
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document.getElementById("claim_button").addEventListener("click", function() {
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document.getElementById("claim_button").innerText = "Bezig met toe-eigenen...";
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document.getElementById("claim_button").setAttribute("disabled", "disabled");
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var activeSegment = segments[activeSegmentId];
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if (!activeSegment) { throw new Error("Trying to claim segment but no segment active"); }
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putJson(HOST + "/api/code.json", {
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"id": activeSegmentId,
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"owner": us,
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"code": activeSegment.code
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}, fetchSegments);
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});
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document.getElementById("release_button").addEventListener("click", function() {
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document.getElementById("release_button").innerText = "Bezig met onteigenen...";
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document.getElementById("release_button").setAttribute("disabled", "disabled");
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var activeSegment = segments[activeSegmentId];
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if (!activeSegment) { throw new Error("Trying to release segment but no segment active"); }
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||||
putJson(HOST + "/api/code.json", {
|
||||
"id": activeSegmentId,
|
||||
"owner": "",
|
||||
"code": activeSegment.code
|
||||
}, fetchSegments);
|
||||
});
|
||||
|
||||
document.getElementById("publish-button").addEventListener("click", function() {
|
||||
document.getElementById("publish-button").innerText = "Bezig met publiceren...";
|
||||
document.getElementById("publish-button").setAttribute("disabled", "disabled");
|
||||
var activeSegment = segments[activeSegmentId];
|
||||
if (!activeSegment) { throw new Error("Trying to update code of segment but no segment active"); }
|
||||
putJson(HOST + "/api/code.json", {
|
||||
"id": activeSegmentId,
|
||||
"owner": activeSegment.owner,
|
||||
"code": document.getElementById("lua_editor").value
|
||||
}, fetchSegments);
|
||||
});
|
||||
|
||||
document.getElementById("lua_editor").addEventListener("keyup", updatePublishButton);
|
||||
document.getElementById("lua_editor").addEventListener("change", updatePublishButton);
|
||||
|
||||
fetchSegments();
|
||||
|
||||
return {
|
||||
updateUs: updateUs,
|
||||
};
|
||||
})();
|
||||
Loading…
Reference in a new issue