1 files changed, 116 insertions, 0 deletions
diff --git a/examples/rails_app-2.3.4/public/javascripts/jquery.uploadProgress.js b/examples/rails_app-2.3.4/public/javascripts/jquery.uploadProgress.js
new file mode 100644
index 0000000..53da910
--- /dev/null
+++ b/examples/rails_app-2.3.4/public/javascripts/jquery.uploadProgress.js
@@ -0,0 +1,116 @@
+/*
+* jquery.uploadProgress
+*
+* Copyright (c) 2008 Piotr Sarnacki (drogomir.com)
+*
+* Licensed under the MIT license:
+* http://www.opensource.org/licenses/mit-license.php
+*
+*/
+(function($) {
+  $.fn.uploadProgress = function(options) {
+  options = $.extend({
+    dataType: "json",
+    interval: 2000,
+    progressBar: "#progressbar",
+    progressUrl: "/progress",
+    start: function() {},
+    uploading: function() {},
+    complete: function() {},
+    success: function() {},
+    error: function() {},
+    preloadImages: [],
+    uploadProgressPath: '/javascripts/jquery.uploadProgress.js',
+    jqueryPath: '/javascripts/jquery.js',
+    timer: ""
+  }, options);
+
+  $(function() {
+    //preload images
+    for(var i = 0; i<options.preloadImages.length; i++)
+    {
+     options.preloadImages[i] = $("<img>").attr("src", options.preloadImages[i]);
+    }
+    /* tried to add iframe after submit (to not always load it) but it won't work.
+    safari can't get scripts properly while submitting files */
+    if($.browser.safari && top.document == document) {
+      /* iframe to send ajax requests in safari
+       thanks to Michele Finotto for idea */
+      iframe = document.createElement('iframe');
+      iframe.name = "progressFrame";
+      $(iframe).css({width: '0', height: '0', position: 'absolute', top: '-3000px'});
+      document.body.appendChild(iframe);
+
+      var d = iframe.contentWindow.document;
+      d.open();
+      /* weird - safari won't load scripts without this lines... */
+      d.write('<html><head></head><body></body></html>');
+      d.close();
+
+      var b = d.body;
+      var s = d.createElement('script');
+      s.src = options.jqueryPath;
+      /* must be sure that jquery is loaded */
+      s.onload = function() {
+        var s1 = d.createElement('script');
+        s1.src = options.uploadProgressPath;
+        b.appendChild(s1);
+      }
+      b.appendChild(s);
+    }
+  });
+
+  return this.each(function(){
+    $(this).bind('submit', function() {
+      var uuid = "";
+      for (i = 0; i < 32; i++) { uuid += Math.floor(Math.random() * 16).toString(16); }
+
+      /* update uuid */
+      options.uuid = uuid;
+      /* start callback */
+      options.start();
+
+      /* patch the form-action tag to include the progress-id if X-Progress-ID has been already added just replace it */
+      if(old_id = /X-Progress-ID=([^&]+)/.exec($(this).attr("action"))) {
+        var action = $(this).attr("action").replace(old_id[1], uuid);
+        $(this).attr("action", action);
+      } else {
+       $(this).attr("action", jQuery(this).attr("action") + "?X-Progress-ID=" + uuid);
+      }
+      var uploadProgress = $.browser.safari ? progressFrame.jQuery.uploadProgress : jQuery.uploadProgress;
+      options.timer = window.setInterval(function() { uploadProgress(this, options) }, options.interval);
+    });
+  });
+  };
+
+jQuery.uploadProgress = function(e, options) {
+  jQuery.ajax({
+    type: "GET",
+    url: options.progressUrl + "?X-Progress-ID=" + options.uuid,
+    dataType: options.dataType,
+    success: function(upload) {
+      if (upload.state == 'uploading') {
+        upload.percents = Math.floor((upload.received / upload.size)*1000)/10;
+
+        var bar = $.browser.safari ? $(options.progressBar, parent.document) : $(options.progressBar);
+        bar.css({width: upload.percents+'%'});
+        options.uploading(upload);
+      }
+
+      if (upload.state == 'done' || upload.state == 'error') {
+        window.clearTimeout(options.timer);
+        options.complete(upload);
+      }
+
+      if (upload.state == 'done') {
+        options.success(upload);
+      }
+
+      if (upload.state == 'error') {
+        options.error(upload);
+      }
+    }
+  });
+};
+
+})(jQuery);