1 files changed, 113 insertions, 0 deletions
diff --git a/site/src/docs/upload_progress_javascript.js b/site/src/docs/upload_progress_javascript.js
new file mode 100644
index 0000000..6fbc51f
--- /dev/null
+++ b/site/src/docs/upload_progress_javascript.js
@@ -0,0 +1,113 @@
+var UploadProgress = {
+  uploading: null,
+  monitor: function(upid) {
+    if(!this.periodicExecuter) {
+      this.periodicExecuter = new PeriodicalExecuter(function() {
+        if(!UploadProgress.uploading) return;
+        new Ajax.Request('/files/progress?upload_id=' + upid);
+      }, 3);
+    }
+
+    this.uploading = true;
+    this.StatusBar.create();
+  },
+
+  update: function(total, current) {
+    if(!this.uploading) return;
+    var status     = current / total;
+    var statusHTML = status.toPercentage();
+    $('results').innerHTML   = statusHTML + "<br /><small>" + current.toHumanSize() + ' of ' + total.toHumanSize() + " uploaded.</small>";
+    this.StatusBar.update(status, statusHTML);
+  },
+  
+  finish: function() {
+    this.uploading = false;
+    this.StatusBar.finish();
+    $('results').innerHTML = 'finished!';
+  },
+  
+  cancel: function(msg) {
+    if(!this.uploading) return;
+    this.uploading = false;
+    if(this.StatusBar.statusText) this.StatusBar.statusText.innerHTML = msg || 'canceled';
+  },
+  
+  StatusBar: {
+    statusBar: null,
+    statusText: null,
+    statusBarWidth: 500,
+  
+    create: function() {
+      this.statusBar  = this._createStatus('status-bar');
+      this.statusText = this._createStatus('status-text');
+      this.statusText.innerHTML  = '0%';
+      this.statusBar.style.width = '0';
+    },
+
+    update: function(status, statusHTML) {
+      this.statusText.innerHTML = statusHTML;
+      this.statusBar.style.width = Math.floor(this.statusBarWidth * status);
+    },
+
+    finish: function() {
+      this.statusText.innerHTML  = '100%';
+      this.statusBar.style.width = '100%';
+    },
+    
+    _createStatus: function(id) {
+      el = $(id);
+      if(!el) {
+        el = document.createElement('span');
+        el.setAttribute('id', id);
+        $('progress-bar').appendChild(el);
+      }
+      return el;
+    }
+  },
+  
+  FileField: {
+    add: function() {
+      new Insertion.Bottom('file-fields', '<p style="display:none"><input id="data" name="data" type="file" /> <a href="#" onclick="UploadProgress.FileField.remove(this);return false;">x</a></p>')
+      $$('#file-fields p').last().visualEffect('blind_down', {duration:0.3});
+    },
+    
+    remove: function(anchor) {
+      anchor.parentNode.visualEffect('drop_out', {duration:0.25});
+    }
+  }
+}
+
+Number.prototype.bytes     = function() { return this; };
+Number.prototype.kilobytes = function() { return this *  1024; };
+Number.prototype.megabytes = function() { return this * (1024).kilobytes(); };
+Number.prototype.gigabytes = function() { return this * (1024).megabytes(); };
+Number.prototype.terabytes = function() { return this * (1024).gigabytes(); };
+Number.prototype.petabytes = function() { return this * (1024).terabytes(); };
+Number.prototype.exabytes =  function() { return this * (1024).petabytes(); };
+['byte', 'kilobyte', 'megabyte', 'gigabyte', 'terabyte', 'petabyte', 'exabyte'].each(function(meth) {
+  Number.prototype[meth] = Number.prototype[meth+'s'];
+});
+
+Number.prototype.toPrecision = function() {
+  var precision = arguments[0] || 2;
+  var s         = Math.round(this * Math.pow(10, precision)).toString();
+  var pos       = s.length - precision;
+  var last      = s.substr(pos, precision);
+  return s.substr(0, pos) + (last.match("^0{" + precision + "}$") ? '' : '.' + last);
+}
+
+// (1/10).toPercentage()
+// # => '10%'
+Number.prototype.toPercentage = function() {
+  return (this * 100).toPrecision() + '%';
+}
+
+Number.prototype.toHumanSize = function() {
+  if(this < (1).kilobyte())  return this + " Bytes";
+  if(this < (1).megabyte())  return (this / (1).kilobyte()).toPrecision()  + ' KB';
+  if(this < (1).gigabytes()) return (this / (1).megabyte()).toPrecision()  + ' MB';
+  if(this < (1).terabytes()) return (this / (1).gigabytes()).toPrecision() + ' GB';
+  if(this < (1).petabytes()) return (this / (1).terabytes()).toPrecision() + ' TB';
+  if(this < (1).exabytes())  return (this / (1).petabytes()).toPrecision() + ' PB';
+                             return (this / (1).exabytes()).toPrecision()  + ' EB';
+}