godoc: restore toy selection to playground widget

Fixes #4225.

R=golang-dev
CC=golang-dev
https://golang.org/cl/6640054

diff --git a/doc/play/playground.js b/doc/play/playground.js
index 3f766a9bf12fe59a439290344c938582bbe261c1..0f56fc056462dedd566823a19e9484be482b8b44 100644 (file)
--- a/doc/play/playground.js
+++ b/doc/play/playground.js
@@ -3,13 +3,14 @@
 // license that can be found in the LICENSE file.
 
 // opts is an object with these keys
-//     codeEl - code editor element
-//     outputEl - program output element
+//     codeEl - code editor element
+//     outputEl - program output element
 //     runEl - run button element
-//     fmtEl - fmt button element (optional)
-//     shareEl - share button element (optional)
-//     shareURLEl - share URL text input element (optional)
-//     shareRedirect - base URL to redirect to on share (optional)
+//     fmtEl - fmt button element (optional)
+//     shareEl - share button element (optional)
+//     shareURLEl - share URL text input element (optional)
+//     shareRedirect - base URL to redirect to on share (optional)
+//     toysEl - toys select element (optional)
 //     enableHistory - enable using HTML5 history API (optional)
 function playground(opts) {
        var code = $(opts['codeEl']);
@@ -226,4 +227,21 @@ function playground(opts) {
                        });
                });
        }
+
+       if (opts['toysEl'] != null) {
+               $(opts['toysEl']).bind('change', function() {
+                       var toy = $(this).val();
+                       $.ajax("/doc/play/"+toy, {
+                               processData: false,
+                               type: "GET",
+                               complete: function(xhr) {
+                                       if (xhr.status != 200) {
+                                               alert("Server error; try again.")
+                                               return;
+                                       }
+                                       setBody(xhr.responseText);
+                               }
+                       });
+               });
+       }
 }

diff --git a/doc/root.html b/doc/root.html
index 3b4b43a5e033b2a467df3308cdf4ebb9eb7d1e8d..cc2bfd1ba96be12f30bbd04373a0033c47efd4cd 100644 (file)
--- a/doc/root.html
+++ b/doc/root.html
@@ -85,7 +85,6 @@ Linux, Mac OS X, Windows, and more.
 <div style="clear: both;"></div>
 
 <script type="text/javascript" src="https://www.google.com/jsapi"></script>
-<script type="text/javascript" src="/doc/play/playground.js"></script>
 <script type="text/javascript">
 google.load("feeds", "1");
 
@@ -122,7 +121,6 @@ function init() {
 
        // Set up playground.
        playground({
-               "simple":        true,
                "codeEl":        "#learn .code",
                "outputEl":      "#learn .output",
                "runEl":         "#learn .run",