--- a/sat_templates/templates/default/static/common.js	Fri Jun 19 17:57:13 2020 +0200
+++ b/sat_templates/templates/default/static/common.js	Fri Jun 19 17:57:13 2020 +0200
@@ -174,3 +174,30 @@
     /* adapt height to content, specially useful for iframe */
     elt.style.height = elt.contentWindow.document.body.scrollHeight + 80 + 'px';
 }
+
+/* we don't want default behaviour which load a dragged file */
+
+window.addEventListener("dragenter", function(e) {
+    console.log(e.target.tagName + " " + e.target.type);
+    if (e.target.tagName != "INPUT" || e.target.type != "file") {
+        e.preventDefault();
+        e.dataTransfer.effectAllowed = "none";
+        e.dataTransfer.dropEffect = "none";
+    }
+}, false);
+
+window.addEventListener("dragover", function(e) {
+    if (e.target.tagName != "INPUT" || e.target.type != "file") {
+        e.preventDefault();
+        e.dataTransfer.effectAllowed = "none";
+        e.dataTransfer.dropEffect = "none";
+    }
+});
+
+window.addEventListener("drop", function(e) {
+    if (e.target.tagName != "INPUT" || e.target.type != "file") {
+        e.preventDefault();
+        e.dataTransfer.effectAllowed = "none";
+        e.dataTransfer.dropEffect = "none";
+    }
+});