231 lines
8.3 KiB
JavaScript
231 lines
8.3 KiB
JavaScript
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 = "Publiceer";
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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", {
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"id": activeSegmentId,
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"owner": "",
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"code": activeSegment.code
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}, fetchSegments);
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});
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document.getElementById("publish-button").addEventListener("click", function() {
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document.getElementById("publish-button").innerText = "Bezig met publiceren...";
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document.getElementById("publish-button").setAttribute("disabled", "disabled");
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var activeSegment = segments[activeSegmentId];
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if (!activeSegment) { throw new Error("Trying to update code of 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": activeSegment.owner,
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"code": document.getElementById("lua_editor").value
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}, fetchSegments);
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});
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document.getElementById("lua_editor").addEventListener("keyup", updatePublishButton);
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document.getElementById("lua_editor").addEventListener("change", updatePublishButton);
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fetchSegments();
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return {
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updateUs: updateUs,
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};
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})();
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