From 3e7c2d2d3a54800c80a5d070f29caa278ee22da7 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Thu, 29 Sep 2016 11:31:59 -0400
Subject: [PATCH] Load files from GitHub

---
 main.js | 220 +++++++++++++++++++++++++++++++-------------------------
 1 file changed, 122 insertions(+), 98 deletions(-)

diff --git a/main.js b/main.js
index 8ba3f5d..e329dea 100644
--- a/main.js
+++ b/main.js
@@ -1,107 +1,131 @@
-let editor = new CodeMirror(document.body, {
-	value: "function myScript() {\t\n\treturn 100;\n}",
-	mode: "javascript",
-	readOnly: true,
-	autofocus: true,
-	extraKeys: {
-		Up: () => {},
-		Down: () => {},
-		Left: () => {},
-		Right: () => {}
-	}
-});
-
-var incompleteMark = editor.doc.markText({ line: 0, ch: 0 }, getEndPos(), {
-	className: "incomplete"
-});
-
-var focused = true;
-
-editor.on("focus", (instance, event) => {
-	focused = true;
-});
-editor.on("blur", (instance, event) => {
-	focused = false;
-})
-
-editor.on("mousedown", (instance, event) => {
-	event.preventDefault();
-	editor.focus();
-});
-
+// global vars
+var editor; // code mirror instance
+var incompleteMark;
+var focused = false;
 let invalids = [];
 
-document.addEventListener("keypress", (event) => {
-	if (focused) {
+let extensions = {
+	js: "javascript",
+	kt: "kotlin"
+};
+
+// fetch file and setup
+let file = window.location.hash.substring(1);
+$.get({
+	url: `https://raw.githubusercontent.com/${file}`,
+	success: (data) => {
+		let parts = file.split(".");
+		let fileExtension = parts[parts.length - 1];
+		let extension = extensions.hasOwnProperty(fileExtension) ? extensions[fileExtension] : fileExtension;
+		setup(data, extension);
+	}
+});
+
+// setup
+function setup(data, extension) {
+	editor = new CodeMirror(document.body, {
+		value: data,
+		mode: extension,
+		readOnly: true,
+		autofocus: true,
+		extraKeys: {
+			Up: () => {},
+			Down: () => {},
+			Left: () => {},
+			Right: () => {}
+		}
+	});
+
+	incompleteMark = editor.doc.markText({ line: 0, ch: 0 }, getEndPos(), {
+		className: "incomplete"
+	});
+
+	focused = true;
+
+	editor.on("focus", (instance, event) => {
+		focused = true;
+	});
+	editor.on("blur", (instance, event) => {
+		focused = false;
+	});
+
+	editor.on("mousedown", (instance, event) => {
 		event.preventDefault();
+		editor.focus();
+	});
 
-		let pos = editor.getCursor();
-		let line = editor.doc.getLine(pos.line);
-		let char = line.charCodeAt(pos.ch);
-		if (event.charCode != char) {
-			let mark = editor.doc.markText(pos, {line: pos.line, ch: pos.ch + 1}, {
-				className: "invalid"
-			});
-			if (!invalids[pos.line]) invalids[pos.line] = [];
-			invalids[pos.line][pos.ch] = mark;
-		}
-		editor.setCursor({ line: pos.line, ch: pos.ch + 1 });
-		updateIncompleteMark();
-	}
-});
-
-document.addEventListener("keydown", (event) => {
-	if (focused) {
-		var result = false;
-
-		if (event.keyCode == 8) { // delete
-			result = true;
-
-			let pos = editor.getCursor();
-			if (pos.ch == 0) { // move up 1 line {
-				moveToEndOfPreviousLine();
-			} else { // move back 1 char
-				let line = editor.doc.getLine(pos.line);
-				if (line.hasOnlyWhiteSpaceBeforeIndex(pos.ch)) {
-					moveToEndOfPreviousLine();
-				} else {
-					editor.setCursor({ line: pos.line, ch: pos.ch - 1 });
-				}
-			}
-
-			let newPos = editor.getCursor();
-			let lineInvalids = invalids[newPos.line];
-			if (lineInvalids) {
-				let mark = lineInvalids[newPos.ch];
-				if (mark) {
-					mark.clear();
-					lineInvalids.splice(newPos.ch, 1);
-				}
-			}
-
-			updateIncompleteMark();
-		} else if (event.keyCode == 13) { // enter
-			result = true;
-
-			let pos = editor.getCursor();
-			if (pos.line != editor.doc.size - 1) {
-				let currentLine = editor.doc.getLine(pos.line);
-				let trimmed = currentLine.trim();
-				if (editor.getCursor().ch >= currentLine.indexOf(trimmed) + trimmed.length) {
-					let newLine = pos.line + 1;
-					let text = editor.doc.getLine(newLine);
-					let ch = text.indexOf(text.trim());
-					editor.setCursor({ line: newLine, ch: ch });
-					updateIncompleteMark();
-				}
-			}
-		}
-
-		if (result) {
+	document.addEventListener("keypress", (event) => {
+		if (focused) {
 			event.preventDefault();
+
+			let pos = editor.getCursor();
+			let line = editor.doc.getLine(pos.line);
+			let char = line.charCodeAt(pos.ch);
+			if (event.charCode != char) {
+				let mark = editor.doc.markText(pos, {line: pos.line, ch: pos.ch + 1}, {
+					className: "invalid"
+				});
+				if (!invalids[pos.line]) invalids[pos.line] = [];
+				invalids[pos.line][pos.ch] = mark;
+			}
+			editor.setCursor({ line: pos.line, ch: pos.ch + 1 });
+			updateIncompleteMark();
 		}
-	}
-});
+	});
+
+	document.addEventListener("keydown", (event) => {
+		if (focused) {
+			var result = false;
+
+			if (event.keyCode == 8) { // delete
+				result = true;
+
+				let pos = editor.getCursor();
+				if (pos.ch == 0) { // move up 1 line {
+					moveToEndOfPreviousLine();
+				} else { // move back 1 char
+					let line = editor.doc.getLine(pos.line);
+					if (line.hasOnlyWhiteSpaceBeforeIndex(pos.ch)) {
+						moveToEndOfPreviousLine();
+					} else {
+						editor.setCursor({ line: pos.line, ch: pos.ch - 1 });
+					}
+				}
+
+				let newPos = editor.getCursor();
+				let lineInvalids = invalids[newPos.line];
+				if (lineInvalids) {
+					let mark = lineInvalids[newPos.ch];
+					if (mark) {
+						mark.clear();
+						lineInvalids.splice(newPos.ch, 1);
+					}
+				}
+
+				updateIncompleteMark();
+			} else if (event.keyCode == 13) { // enter
+				result = true;
+
+				let pos = editor.getCursor();
+				if (pos.line != editor.doc.size - 1) {
+					let currentLine = editor.doc.getLine(pos.line);
+					let trimmed = currentLine.trim();
+					if (editor.getCursor().ch >= currentLine.indexOf(trimmed) + trimmed.length) {
+						let newLine = pos.line + 1;
+						let text = editor.doc.getLine(newLine);
+						let ch = text.indexOf(text.trim());
+						editor.setCursor({ line: newLine, ch: ch });
+						updateIncompleteMark();
+					}
+				}
+			}
+
+			if (result) {
+				event.preventDefault();
+			}
+		}
+	});
+}
 
 function moveToEndOfPreviousLine() {
 	let pos = editor.getCursor();