simple csharp autocomplete

Author: xoposhiy

src/uLearn.Web/App_Start/BundleConfig.cs

@@ -22,7 +22,8 @@ public static void RegisterBundles(BundleCollection bundles)
 				"~/codemirror/lib/codemirror.js",
 				"~/codemirror/mode/clike/clike.js",
 				"~/codemirror/addon/hint/show-hint.js",
-				"~/codemirror/addon/hint/anyword-hint.js"
+				//"~/codemirror/addon/hint/anyword-hint.js",
+				"~/codemirror/addon/hint/csharp-hint.js"
 				));
 
 			bundles.Add(new ScriptBundle("~/bootstrap").Include(

src/uLearn.Web/Scripts/_references.js

@@ -52,6 +52,10 @@
 @section scripts{
 	<script src="~/Scripts/navigate.js"></script>
 	<script>
+		CodeMirror.commands.autocomplete = function (cm) {
+			cm.showHint({ hint: CodeMirror.hint.csharp });
+		}
+
 		function codeMirrorClass(c, theme) {
 			var codes = document.getElementsByClassName(c);
 			for (var i = 0; i < codes.length; i++)
@@ -63,6 +67,7 @@
 					indentWithTabs: true,
 					tabSize: 4,
 					indentUnit: 4,
+					extraKeys: { "Ctrl-Space": "autocomplete" },
 				});
 		}
 

src/uLearn.Web/Views/Course/Slide.cshtml

@@ -0,0 +1,80 @@
+(function (mod) {
+	if (typeof exports == "object" && typeof module == "object") // CommonJS
+		mod(require("../../lib/codemirror"));
+	else if (typeof define == "function" && define.amd) // AMD
+		define(["../../lib/codemirror"], mod);
+	else // Plain browser env
+		mod(CodeMirror);
+})(function (CodeMirror) {
+	"use strict";
+
+	function forEach(arr, f) {
+		for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
+	}
+
+	function arrayContains(arr, item) {
+		if (!Array.prototype.indexOf) {
+			var i = arr.length;
+			while (i--) {
+				if (arr[i] === item) {
+					return true;
+				}
+			}
+			return false;
+		}
+		return arr.indexOf(item) != -1;
+	}
+
+	function csharpHint(editor) {
+		var cur = editor.getCursor(), token = editor.getTokenAt(cur), tprop = token;
+		var from = CodeMirror.Pos(cur.line, token.start);
+		var completionList;
+		if (token.string === ".") {
+			from = CodeMirror.Pos(cur.line, token.start + 1);
+			completionList = getCompletions("", true);
+		}
+		else if (!/^[\w@_]*$/.test(token.string)) {
+			from = cur;
+			completionList = getCompletions("", false);
+		}
+		else
+			completionList = getCompletions(token.string, false);
+
+		completionList = completionList.sort();
+
+		return {
+			list: completionList,
+			from: from,
+			to: CodeMirror.Pos(cur.line, token.end)
+		};
+	}
+	var keywords = Object.keys(CodeMirror.resolveMode("text/x-csharp").keywords);
+	var methods = (""
+		+ " WriteLine Write"
+		+ " Format Substring Length Parse TryParse ToString Split Join"
+		+ " Where Select SelectMany ToArray ToList ToDictionary ToLookup Join Zip Aggregate GroupBy OrderBy OrderByDescending ThenBy ThenByDescending"
+		+ " "
+		).split(" ");
+	var types = ("Console CultureInfo Enumerable "
+		+ " "
+		).split(" ");
+
+	function getCompletions(start, afterDot) {
+		var found = [];
+		console.log("|" + start + "|");
+		function maybeAdd(str) {
+			if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str);
+		}
+		if (afterDot) {
+			forEach(methods, maybeAdd);
+		}
+		else {
+			forEach(types, maybeAdd);
+			forEach(methods, maybeAdd);
+			forEach(keywords, maybeAdd);
+		}
+		return found;
+	}
+
+	CodeMirror.registerHelper("hint", "csharp", csharpHint);
+});

src/uLearn.Web/codemirror/addon/hint/csharp-hint.js

@@ -253,6 +253,7 @@
     <Content Include="codemirror\addon\hint\css-hint.js" />
     <Content Include="codemirror\addon\hint\html-hint.js" />
     <Content Include="codemirror\addon\hint\javascript-hint.js" />
+    <Content Include="codemirror\addon\hint\csharp-hint.js" />
     <Content Include="codemirror\addon\hint\python-hint.js" />
     <Content Include="codemirror\addon\hint\show-hint.css" />
     <Content Include="codemirror\addon\hint\show-hint.js" />