support for pasting files

static/js/app.js

@@ -1,6 +1,8 @@
 /**
  * Copyright (c) 2016 Luminarys <postmaster@gensok.io>
  * 
+ * Copyright (c) 2021 Eric Johansson (Nekunekus) <neku@pomf.se>
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
@@ -251,6 +253,17 @@ document.addEventListener('DOMContentLoaded', function() {
     target.click();
   }
 
+  /* Handles the pasting function */
+  window.addEventListener("paste", e =>{
+  var len = e.clipboardData.files.length;
+  for (var i = 0; i < len; i++) {
+      var file = e.clipboardData.files[i];
+      var row = addRow(file);
+      uploadFile(file, row);
+  }
+  });
+
+
   /* Set-up the event handlers for the <button>, <input> and the window itself
      and also set the "js" class on selector "#upload-form", presumably to
      allow custom styles for clients running javascript. */
@@ -261,6 +274,7 @@ document.addEventListener('DOMContentLoaded', function() {
   window.addEventListener('drop', handleDragAway.bind(this, state, uploadButton), false);
   window.addEventListener('dragover', stopDefaultEvent, false);
 
+
   var uploadInput = document.getElementById('upload-input');
   uploadInput.addEventListener('change', uploadFiles);
   uploadButton.addEventListener('click', selectFiles.bind(this, uploadInput));

templates/upload_form.swig

@@ -1,5 +1,5 @@
 <form id="upload-form" enctype="multipart/form-data" method="post" action="upload.php?output=html">
-	<button id="upload-btn" class="btn" type="button">Select or drop file(s)</button>
+	<button id="upload-btn" class="btn" type="button">Drop or paste file(s)</button>
 	<input type="file" id="upload-input" name="files[]" multiple data-max-size="{{max_upload_size}}MiB">
 	<input type="submit" value="Submit">
 </form>