tildefriends/packages/cory/turtle/turtle.js

180 lines
5.1 KiB
JavaScript
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"use strict";
terminal.setEcho(false);
terminal.setTitle("Live TurtleScript");
core.register("onInput", function(input) {
if (input == "new page") {
editPage("new", "");
} else if (input == "submit") {
submitNewPost().then(renderBlog);
} else if (input == "home") {
renderIndex();
} else if (input.substring(0, 5) == "open:") {
var title = input.substring(5);
database.get(title).then(function(contents) {
editPage(title, contents);
});
} else if (input.substring(0, 7) == "delete:") {
terminal.clear();
var title = input.substring(7);
terminal.print("Are you sure you want to delete page '", title, "'?");
terminal.print({command: "confirmDelete:" + title, value: "delete it"});
terminal.print({command: "home", value: "cancel"});
} else if (input.substring(0, 14) == "confirmDelete:") {
var title = input.substring(14);
database.remove(title).then(renderIndex);
}
});
function renderIndex() {
terminal.split([{name: "terminal"}]);
terminal.clear();
terminal.print("Live TurtleScript");
if (core.user.credentials.permissions.authenticated) {
terminal.print({command: "new page"});
}
database.getAll().then(function(entries) {
for (var i = 0; i < entries.length; i++) {
if (core.user.credentials.permissions.authenticated) {
terminal.print(
"* ",
{style: "font-weight: bold", value: {command: "open:" + entries[i], value: entries[i]}},
" (",
{command: "delete:" + entries[i], value: "x"},
")");
} else {
terminal.print(
"* ",
{style: "font-weight: bold", value: {command: "open:" + entries[i], value: entries[i]}});
}
}
});
}
var gPage = null;
core.register("hashChange", function(event) {
var title = event.hash.substring(1);
database.get(title).then(function(contents) {
editPage(title, contents);
});
});
core.register("onWindowMessage", function(event) {
if (event.message.ready) {
terminal.postMessageToIframe("iframe", {title: gPage.title, contents: gPage.contents});
} else if (event.message.index) {
renderIndex();
} else {
database.set(event.message.title, event.message.contents).then(function() {
renderIndex();
});
}
});
function editPage(title, contents) {
gPage = {title: title, contents: contents};
terminal.split([{name: "terminal", type: "vertical"}]);
terminal.clear();
terminal.print({iframe: `<html>
<head>
<script src="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.13.2/codemirror.min.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.13.2/codemirror.min.css"></link>
<style>
html {
height: 100%;
margin: 0;
padding: 0;
}
body {
display: flex;
flex-direction: column;
height: 100%;
margin: 0;
padding: 0;
}
#menu {
flex: 0 0 auto;
}
#container {
flex: 1 1 auto;
display: flex;
flex-direction: row;
width: 100%;
background-color: white;
}
.CodeMirror {
width: 100%;
height: 100%;
}
.CodeMirror-scroll {
}
#edit { background-color: white }
#preview { background-color: white }
#edit, #preview {
display: flex;
overflow: auto;
flex: 0 0 50%;
}
</style>
<script><!--
var gEditor;
function index() {
parent.postMessage({index: true}, "*");
}
function submit() {
parent.postMessage({
title: document.getElementById("title").value,
contents: gEditor.getValue(),
}, "*");
}
function textChanged() {
var preview = document.getElementById("preview");
while (preview.firstChild) {
preview.removeChild(preview.firstChild);
}
var iframe = document.createElement("iframe");
iframe.setAttribute('srcdoc', '<script src="https://codeheart.williams.edu/turtle/turtle.min.js?">-*- javascript -*-</script><script>' + gEditor.getValue() + '</script>');
iframe.setAttribute('style', 'width: 100vw; height: 100vh; border: 0');
preview.appendChild(iframe);
}
--></script>
<script>
window.addEventListener("message", function(message) {
document.getElementById("title").value = message.data.title;
gEditor.setValue(message.data.contents);
textChanged();
}, false);
window.addEventListener("load", function() {
gEditor = CodeMirror.fromTextArea(document.getElementById("contents"), {
lineNumbers: true
});
gEditor.on("change", textChanged);
document.getElementById("preview").addEventListener("error", function(error) {
console.debug("onerror: " + error);
});
});
parent.postMessage({ready: true}, "*");
</script>
</head>
<body>
<div id="menu">
<input type="button" value="Back" onclick="index()">
` + (core.user.credentials.permissions.authenticated ? `
<input type="button" value="Save" onclick="submit()">
` : "") +
` <a target="_top" href="http://codeheartjs.com/turtle/">TurtleScript</a>
<input type="text" id="title" oninput="textChanged()">
</div>
<div id="container">
<div id="edit"><textarea id="contents" oninput="textChanged()"></textarea></div>
<div id="preview"></div>
</div>
</body>
</html>`, name: "iframe", style: "flex: 1 1 auto; border: 0; width: 100%"});
}
renderIndex();