From 12f12fa6daf86de28874afbc6d3d296c703bfde5 Mon Sep 17 00:00:00 2001
From: Ryunosuke SATO <tricknotes.rs@gmail.com>
Date: Fri, 11 Mar 2016 21:51:36 +0900
Subject: [PATCH] Upload only images

---
 src/bootstrap-markdown-editor.js | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/bootstrap-markdown-editor.js b/src/bootstrap-markdown-editor.js
index 871e924..18e489e 100644
--- a/src/bootstrap-markdown-editor.js
+++ b/src/bootstrap-markdown-editor.js
@@ -232,17 +232,25 @@
     };
 
     function uploadFiles (url, files, editor, snippetManager, loading) {
-        if (! files.length) {
-            return;
+        var images = [],
+            i = 0;
+
+        for (i = 0; i < files.length; i++) {
+            if (/^image\//.test(files[i].type)) {
+                images.push(files[i]);
+            }
+        }
+
+        if (! images.length) {
+          return;
         }
 
         loading.show();
 
-        var data = new FormData(),
-            i = 0;
+        var data = new FormData();
 
-        for (i = 0; i < files.length; i++) {
-            data.append('file' + i, files[i]);
+        for (i = 0; i < images.length; i++) {
+            data.append('file' + i, images[i]);
         }
 
         $.ajax({