Initial commit.

.gitignore

+*.swp

manifest.json

+{
+    "manifest_version": 2,
+    "content_scripts": [ {
+        "js":               [ "jquery.min.js",
+                              "piazza.user.js" ],
+        "matches":          [ "https://piazza.com/*",
+                              "http://piazza.com/*"   ],
+        "exclude_globs":    [  ],
+        "include_globs":    [ "*" ],
+        "run_at": "document_end"
+    } ],
+    "converted_from_user_script": true,
+    "description":  "Piazza/Autograder quick link",
+    "name":         "Piazza to Autograder",
+    "version":      "0.3"
+}

piazza.user.js

+// ==UserScript==
+//
+// @name           Piazza to Autograder
+// @description    Piazza/Autograder quick link generator
+// @namespace      https://plus.google.com/u/0/+MarcusDarden/chrome-extension/piazza
+// @author         Marcus M. Darden (mmdarden@umich.edu)
+// @license        GNU GPL v3 (http://www.gnu.org/copyleft/gpl.html) 
+// @homepage       https://plus.google.com/u/0/+MarcusDarden/
+// @version        0.3
+//
+// Urls process this user script on
+// @include        https://piazza.com/*
+// @include        http://piazza.com/*
+//
+// Add any library dependencies here, so they are loaded before your script is loaded.
+//
+// @require        https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js
+//
+// @history        0.3 Refactored. Works on page load AND feed item clicks!
+// @history        0.2 New and (slightly) improved
+// @history        0.1 It works! (kinda)
+//
+// ==/UserScript==
+
+// Eventual link template
+var hyperlink_template = '(<a href="https://g281-1.eecs.umich.edu/submission/{uniqname}" target="_blank">{uniqname}</a>)';
+
+// User names are in a span with a class "user_name".
+// This function searches user_name content for a uniqname in parentheses and
+// converts it to a hyperlink to a student's submission page on the EECS 281
+// autograder.
+var aghyperlink_user_name = function($user_name) {
+    var str = $user_name.innerHTML;
+    var match_found = false;
+    $user_name.innerHTML = str.replace(/\((\w*)\)/, function(match, uniqname) {
+        if (match)
+            match_found = true;
+        return hyperlink_template.replace(/\{uniqname\}/g, uniqname.toLowerCase());
+    });
+    return match_found;
+}
+
+// user_name elements are asynchronously loaded, this function tries to catch
+// them all, and then stop looking when no more changes are being made, and
+// all of them have been turned into hyperlinks.
+var aghyperlink_piazza = function() {
+    var $user_names = $('.user_name');
+    var links_added = 0;
+    for (var i = 0; i < $user_names.length; ++i) {
+        if (aghyperlink_user_name($user_names[i]))
+            links_added++;
+    }
+    if (links_added)
+        window.setTimeout(aghyperlink_piazza, 1000);
+}
+
+// Hyperlink the entire page, and register an event on the feed items on the
+// left, that will hyperlink the page whenever a new post is selected.
+$(function() {
+    window.setTimeout(aghyperlink_piazza, 1000);
+    $(document).on('click', '.feed_item', function() { window.setTimeout(aghyperlink_piazza, 1000); });
+    //$(document).ajaxComplete(function() {
+        //aghyperlink_piazza();
+    //});
+});