From f98b4d59563895d9c46cc5a250aedaf8e7dadc19 Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@jermolene.com>
Date: Thu, 13 Sep 2018 20:42:35 +0100
Subject: [PATCH] Add more logging for drop operations

---
 core/modules/utils/dom/dragndrop.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/modules/utils/dom/dragndrop.js b/core/modules/utils/dom/dragndrop.js
index 5ab3831a4..ba5d590c3 100644
--- a/core/modules/utils/dom/dragndrop.js
+++ b/core/modules/utils/dom/dragndrop.js
@@ -134,6 +134,12 @@ exports.makeDraggable = function(options) {
 
 exports.importDataTransfer = function(dataTransfer,fallbackTitle,callback) {
 	// Try each provided data type in turn
+	if($tw.log.IMPORT) {
+		console.log("Available data types:");
+		for(var type=0; type<dataTransfer.types.length; type++) {
+			console.log("type",dataTransfer.types[type],dataTransfer.getData(dataTransfer.types[type]))
+		}
+	}
 	for(var t=0; t<importDataTypes.length; t++) {
 		if(!$tw.browser.isIE || importDataTypes[t].IECompatible) {
 			// Get the data