From 1be3db1453efacb9c6b484d2bcaaf36e5c0e492a Mon Sep 17 00:00:00 2001
From: Simon Brooke <simon@journeyman.cc>
Date: Wed, 18 Jul 2018 23:01:14 +0100
Subject: [PATCH] Prevent cross-contamination of SimpleMDE auto-saves

---
 resources/js/text-area-md-support.js | 39 ++++++++++++++++------------
 src/adl/to_selmer_templates.clj      |  3 ++-
 2 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/resources/js/text-area-md-support.js b/resources/js/text-area-md-support.js
index 6923b42..f05e241 100644
--- a/resources/js/text-area-md-support.js
+++ b/resources/js/text-area-md-support.js
@@ -1,17 +1,22 @@
-          var simplemde = new SimpleMDE({
-            autosave: {
-              enabled: true,
-              uniqueId: "adl-generated-{{page}}",
-              delay: 1000,
-            },
-            indentWithTabs: true,
-            insertTexts: {
-              horizontalRule: ["", "\n\n-----\n\n"],
-              image: ["![](http://", ")"],
-              link: ["[", "](http://)"],
-              table: ["", "\n\n| Column 1 | Column 2 | Column 3 |\n| -------- | -------- | -------- |\n| Text     | Text      | Text     |\n\n"],
-            },
-            showIcons: ["code"], //, "table"], - sadly, markdown-clj does not support tables
-	          spellChecker: true,
-	          status: ["autosave", "lines", "words", "cursor"]
-          });
+/**
+ * Provide SimpleMDE support for textareas on this page. TODO: this is
+ * slightly problematic since it assumes (and saves autosave data for)
+ * only one text area on the page. Perhaps we should disable autosave?
+ */
+var simplemde = new SimpleMDE({
+  autosave: {
+    enabled: true,
+    uniqueId: "{{page}}-{{record.id}}",
+    delay: 1000,
+  },
+  indentWithTabs: true,
+  insertTexts: {
+    horizontalRule: ["", "\n\n-----\n\n"],
+    image: ["![](http://", ")"],
+    link: ["[", "](http://)"],
+    table: ["", "\n\n| Column 1 | Column 2 | Column 3 |\n| -------- | -------- | -------- |\n| Text     | Text      | Text     |\n\n"],
+  },
+  showIcons: ["code"], //, "table"], - sadly, markdown-clj does not support tables
+  spellChecker: true,
+  status: ["autosave", "lines", "words", "cursor"]
+});
diff --git a/src/adl/to_selmer_templates.clj b/src/adl/to_selmer_templates.clj
index 0cafd0a..548ddf5 100644
--- a/src/adl/to_selmer_templates.clj
+++ b/src/adl/to_selmer_templates.clj
@@ -635,7 +635,8 @@
               (child-with-tag
                 form :field
                 #(= "text-area" (widget-type (property-for-field % entity) application)))
-              (embed-script-fragment "resources/js/text-area-md-support.js"))))))}})
+              (embed-script-fragment "resources/js/text-area-md-support.js"
+                                     [["{{page}}" (-> form :attrs :name)]]))))))}})
 
 
 (defn form-to-template