forked from cory/tildefriends
Lots of fighting with CSS to get side-by-side editors and previews. Didn't really win. Turned turtle into a live TurtleScript editor.
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3188 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
@@ -1,41 +1,180 @@
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"use strict";
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// Start at bottom left facing up.
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// Height = 20. Width = 10.
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// 10 between.
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terminal.setEcho(false);
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terminal.setTitle("Live TurtleScript");
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var letters = {
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A: 'fd(20); rt(90); fd(10); rt(90); fd(10); rt(90); fd(10); pu(); bk(10); lt(90); pd(); fd(10); pu(); lt(90); fd(10); lt(90); pd();',
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D: 'fd(20); rt(90); fd(10); rt(70); fd(11); rt(40); fd(11); rt(70); fd(10); pu(); bk(20); rt(90); pd();',
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E: 'pu(); fd(20); rt(90); fd(10); lt(180); pd(); fd(10); lt(90); fd(10); lt(90); fd(8); pu(); rt(180); fd(8); lt(90); pd(); fd(10); lt(90); fd(10); pu(); fd(10); lt(90); pd()',
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H: 'fd(20); pu(); bk(10); pd(); rt(90); fd(10); lt(90); pu(); fd(10); rt(180); pd(); fd(20); pu(); lt(90); fd(10); lt(90); pd();',
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L: 'pu(); fd(20); rt(180); pd(); fd(20); lt(90); fd(10); pu(); fd(10); lt(90); pd();',
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O: 'fd(20); rt(90); fd(10); rt(90); fd(20); rt(90); fd(10); pu(); bk(20); rt(90); pd();',
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R: 'fd(20); rt(90); fd(10); rt(90); fd(10); rt(90); fd(10); pu(); bk(8); lt(90); pd(); fd(10); pu(); lt(90); fd(12); lt(90); pd();',
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W: 'pu(); fd(20); rt(180); pd(); fd(20); lt(90); fd(5); lt(90); fd(12); rt(180); pu(); fd(12); pd(); lt(90); fd(5); lt(90); fd(20); pu(); bk(20); rt(90); fd(10); lt(90); pd();',
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' ': 'pu(); rt(90); fd(20); lt(90); pd();',
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};
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function render(text) {
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terminal.clear();
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terminal.print(text, " using ", {href: "http://codeheartjs.com/turtle/"}, ".");
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var contents = '<script src="http://codeheartjs.com/turtle/turtle.min.js">-*- javascript -*-</script><script>\n';
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contents += 'setScale(2); setWidth(5);\n';
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for (var i = 0; i < text.length; i++) {
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var c = text.charAt(i).toUpperCase();
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if (letters[c]) {
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contents += letters[c] + '\n';
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} else {
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contents += letters[' '] + '\n';
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}
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core.register("onInput", function(input) {
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if (input == "new page") {
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editPage("new", "");
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} else if (input == "submit") {
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submitNewPost().then(renderBlog);
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} else if (input == "home") {
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renderIndex();
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} else if (input.substring(0, 5) == "open:") {
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var title = input.substring(5);
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database.get(title).then(function(contents) {
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editPage(title, contents);
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});
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} else if (input.substring(0, 7) == "delete:") {
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terminal.clear();
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var title = input.substring(7);
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terminal.print("Are you sure you want to delete page '", title, "'?");
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terminal.print({command: "confirmDelete:" + title, value: "delete it"});
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terminal.print({command: "home", value: "cancel"});
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} else if (input.substring(0, 14) == "confirmDelete:") {
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var title = input.substring(14);
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database.remove(title).then(renderIndex);
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}
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contents += "ht();\n";
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contents += "window.addEventListener('message', function(event) { console.debug(event.data); }, false);\n";
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contents += "</script>\n";
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terminal.print({iframe: contents, width: 640, height: 480});
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terminal.print("Type text and the letters ", {style: "color: #ff0", value: Object.keys(letters).join("")}, " in it will be drawn.");
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});
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function renderIndex() {
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terminal.split([{name: "terminal"}]);
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terminal.clear();
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terminal.print("Live TurtleScript");
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if (core.user.credentials.permissions.authenticated) {
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terminal.print({command: "new page"});
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}
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database.getAll().then(function(entries) {
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for (var i = 0; i < entries.length; i++) {
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if (core.user.credentials.permissions.authenticated) {
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terminal.print(
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"* ",
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{style: "font-weight: bold", value: {command: "open:" + entries[i], value: entries[i]}},
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" (",
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{command: "delete:" + entries[i], value: "x"},
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")");
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} else {
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terminal.print(
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"* ",
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{style: "font-weight: bold", value: {command: "open:" + entries[i], value: entries[i]}});
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}
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}
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});
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}
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render("Hello, world!");
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var gPage = null;
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core.register("onInput", render);
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core.register("hashChange", function(event) {
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var title = event.hash.substring(1);
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database.get(title).then(function(contents) {
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editPage(title, contents);
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});
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});
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core.register("onWindowMessage", function(event) {
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if (event.message.ready) {
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terminal.postMessageToIframe("iframe", {title: gPage.title, contents: gPage.contents});
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} else if (event.message.index) {
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renderIndex();
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} else {
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database.set(event.message.title, event.message.contents).then(function() {
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renderIndex();
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});
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}
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});
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function editPage(title, contents) {
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gPage = {title: title, contents: contents};
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terminal.split([{name: "terminal", type: "vertical"}]);
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terminal.clear();
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terminal.print({iframe: `<html>
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<head>
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<script src="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.13.2/codemirror.min.js"></script>
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<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.13.2/codemirror.min.css"></link>
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<style>
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html {
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height: 100%;
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margin: 0;
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padding: 0;
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}
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body {
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display: flex;
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flex-direction: column;
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height: 100%;
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margin: 0;
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padding: 0;
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}
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#menu {
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flex: 0 0 auto;
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}
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#container {
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flex: 1 1 auto;
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display: flex;
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flex-direction: row;
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width: 100%;
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background-color: white;
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}
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.CodeMirror {
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width: 100%;
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height: 100%;
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}
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.CodeMirror-scroll {
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}
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#edit { background-color: white }
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#preview { background-color: white }
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#edit, #preview {
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display: flex;
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overflow: auto;
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flex: 0 0 50%;
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}
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</style>
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<script><!--
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var gEditor;
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function index() {
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parent.postMessage({index: true}, "*");
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}
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function submit() {
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parent.postMessage({
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title: document.getElementById("title").value,
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contents: gEditor.getValue(),
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}, "*");
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}
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function textChanged() {
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var preview = document.getElementById("preview");
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while (preview.firstChild) {
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preview.removeChild(preview.firstChild);
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}
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var iframe = document.createElement("iframe");
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iframe.setAttribute('srcdoc', '<script src="https://codeheart.williams.edu/turtle/turtle.min.js?">-*- javascript -*-</script><script>' + gEditor.getValue() + '</script>');
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iframe.setAttribute('style', 'width: 100vw; height: 100vh; border: 0');
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preview.appendChild(iframe);
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}
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--></script>
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<script>
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window.addEventListener("message", function(message) {
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document.getElementById("title").value = message.data.title;
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gEditor.setValue(message.data.contents);
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textChanged();
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}, false);
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window.addEventListener("load", function() {
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gEditor = CodeMirror.fromTextArea(document.getElementById("contents"), {
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lineNumbers: true
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});
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gEditor.on("change", textChanged);
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document.getElementById("preview").addEventListener("error", function(error) {
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console.debug("onerror: " + error);
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});
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});
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parent.postMessage({ready: true}, "*");
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</script>
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</head>
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<body>
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<div id="menu">
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<input type="button" value="Back" onclick="index()">
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` + (core.user.credentials.permissions.authenticated ? `
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<input type="button" value="Save" onclick="submit()">
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` : "") +
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` <a target="_top" href="http://codeheartjs.com/turtle/">TurtleScript</a>
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<input type="text" id="title" oninput="textChanged()">
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</div>
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<div id="container">
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<div id="edit"><textarea id="contents" oninput="textChanged()"></textarea></div>
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<div id="preview"></div>
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</div>
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</body>
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</html>`, name: "iframe", style: "flex: 1 1 auto; border: 0; width: 100%"});
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}
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renderIndex();
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