1 files changed, 59 insertions, 0 deletions
diff --git a/misc/upload.js b/misc/upload.js
new file mode 100644
index 000000000..48f403448
--- /dev/null
+++ b/misc/upload.js
@@ -0,0 +1,59 @@
+// Global killswitch
+if (isJsEnabled()) {
+  addLoadEvent(uploadAutoAttach);
+}
+
+/**
+ * Attaches the upload behaviour to the upload form.
+ */
+function uploadAutoAttach() {
+  var acdb = [];
+  var inputs = document.getElementsByTagName('input');
+  for (i = 0; input = inputs[i]; i++) {
+    if (input && hasClass(input, 'upload')) {
+      var uri = input.value;
+      var button = input.id.substr(5);
+      var wrapper = button + '-wrapper';
+      var hide = button + '-hide';
+      var upload = new jsUpload(uri, button, wrapper, hide);
+    }
+  }
+}
+
+/**
+ * JS upload object.
+ */
+function jsUpload(uri, button, wrapper, hide) {
+  var upload = this;
+  this.button = button;
+  this.wrapper = wrapper;
+  this.hide = hide;
+  redirectFormButton(uri, $(button), this);
+}
+
+/**
+ * Handler for the form redirection submission.
+ */
+jsUpload.prototype.onsubmit = function () {
+  var hide = $(this.hide);
+  // Insert progressbar and stretch to take the same space.
+  this.progress = new progressBar('uploadprogress');
+  this.progress.setProgress(-1, 'Uploading file...');
+  this.progress.element.style.width = '28em';
+  this.progress.element.style.height = hide.offsetHeight +'px';
+  hide.parentNode.insertBefore(this.progress.element, hide);
+  // Hide file form
+  hide.style.display = 'none';
+}
+
+/**
+ * Handler for the form redirection completion.
+ */
+jsUpload.prototype.oncomplete = function (data) {
+  // Remove progressbar
+  removeNode(this.progress);
+  this.progress = null;
+  // Replace form and re-attach behaviour
+  $(this.wrapper).innerHTML = data;
+  uploadAutoAttach();
+}
+\ No newline at end of file