ccp/js/inputwidgetcontroller.js

@@ -524,7 +524,10 @@ class CCPFileInputWidgetController extends CCPBaseInputWidgetController {
             encoded += '='.repeat(4 - (encoded.length % 4));
           }
           this.value[index] = encoded
-          this.querySelector("small[name=preview]").textContent = encoded.substr(0, 5) + "..." + encoded.substr(encoded.length - 5)
+          this.querySelector("small[name=preview]").textContent = 
+            encoded.length > 15 ? encoded.substring(0, 5) + "..." + encoded.substring(encoded.length - 5) : encoded
+          const newev = new Event("input", { bubbles : true})
+          this.dispatchEvent(newev)
         })
         reader.readAsDataURL(file)
       }