Fix #539 "Drop files here to upload" text not translated. Also translate Insert and Delete buttons

admin.php

@@ -684,7 +684,10 @@ class AdminPlugin extends Plugin
             'NOTHING_TO_SAVE',
             'FILE_UNSUPPORTED',
             'FILE_ERROR_ADD',
-            'FILE_ERROR_UPLOAD'
+            'FILE_ERROR_UPLOAD',
+            'DROP_FILES_HERE_TO_UPLOAD',
+            'DELETE',
+            'INSERT'
         ];
 
         foreach($strings as $string) {

languages/en.yaml

@@ -527,4 +527,6 @@ PLUGIN_ADMIN:
   ORDERING_DISABLED_BECAUSE_PARENT_SETTING_ORDER: "Parent setting order, ordering disabled"
   ORDERING_DISABLED_BECAUSE_PAGE_NOT_VISIBLE: "Page is not visible, ordering disabled"
   ORDERING_DISABLED_BECAUSE_TOO_MANY_SIBLINGS: "Ordering via the admin is unsupported because there are more than 200 siblings"
-  CANNOT_ADD_MEDIA_FILES_PAGE_NOT_SAVED: "You cannot add media files until you save the page. Just click 'Save' on top"
+  CANNOT_ADD_MEDIA_FILES_PAGE_NOT_SAVED: "You cannot add media files until you save the page. Just click 'Save' on top"
+  DROP_FILES_HERE_TO_UPLOAD: "Drop files here to upload"
+  INSERT: "Insert"

themes/grav/app/pages/page/media.js

@@ -33,6 +33,7 @@ Dropzone.confirm = (question, accepted, rejected) => {
 const DropzoneMediaConfig = {
     createImageThumbnails: { thumbnailWidth: 150 },
     addRemoveLinks: false,
+    dictDefaultMessage: translations.PLUGIN_ADMIN.DROP_FILES_HERE_TO_UPLOAD,
     dictRemoveFileConfirmation: '[placeholder]',
     previewTemplate: `
         <div class="dz-preview dz-file-preview">
@@ -45,8 +46,8 @@ const DropzoneMediaConfig = {
           <div class="dz-success-mark"><span>✔</span></div>
           <div class="dz-error-mark"><span>✘</span></div>
           <div class="dz-error-message"><span data-dz-errormessage></span></div>
-          <a class="dz-remove" href="javascript:undefined;" data-dz-remove>Delete</a>
-          <a class="dz-insert" href="javascript:undefined;" data-dz-insert>Insert</a>
+          <a class="dz-remove" href="javascript:undefined;" data-dz-remove>${translations.PLUGIN_ADMIN.DELETE}</a>
+          <a class="dz-insert" href="javascript:undefined;" data-dz-insert>${translations.PLUGIN_ADMIN.INSERT}</a>
         </div>`.trim()
 };