Updated Filesaver && fixed exporting to excel

server/src/uds/static/adm/js/FileSaver.js

@@ -1,31 +1,37 @@
 /* FileSaver.js
  * A saveAs() FileSaver implementation.
- * 2013-10-21
+ * 2015-03-04
  *
  * By Eli Grey, http://eligrey.com
  * License: X11/MIT
- *   See LICENSE.md
+ *   See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
  */
 
 /*global self */
-/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
+/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
-  plusplus: true */
 
 /*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
 
 var saveAs = saveAs
-  || (typeof navigator !== 'undefined' && navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  // IE 10+ (native saveAs)
+  || (typeof navigator !== "undefined" &&
+      navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  // Everyone else
   || (function(view) {
 	"use strict";
+	// IE <10 is explicitly unsupported
+	if (typeof navigator !== "undefined" &&
+	    /MSIE [1-9]\./.test(navigator.userAgent)) {
+		return;
+	}
 	var
 		  doc = view.document
-		  // only get URL when necessary in case BlobBuilder.js hasn't overridden it yet
+		  // only get URL when necessary in case Blob.js hasn't overridden it yet
 		, get_URL = function() {
 			return view.URL || view.webkitURL || view;
 		}
-		, URL = view.URL || view.webkitURL || view
 		, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
-		, can_use_save_link =  !view.externalHost && "download" in save_link
+		, can_use_save_link = "download" in save_link
 		, click = function(node) {
 			var event = doc.createEvent("MouseEvents");
 			event.initMouseEvent(
@@ -36,25 +42,30 @@ var saveAs = saveAs
 		}
 		, webkit_req_fs = view.webkitRequestFileSystem
 		, req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
-		, throw_outside = function (ex) {
+		, throw_outside = function(ex) {
 			(view.setImmediate || view.setTimeout)(function() {
 				throw ex;
 			}, 0);
 		}
 		, force_saveable_type = "application/octet-stream"
 		, fs_min_size = 0
-		, deletion_queue = []
+		// See https://code.google.com/p/chromium/issues/detail?id=375297#c7 and
-		, process_deletion_queue = function() {
+		// https://github.com/eligrey/FileSaver.js/commit/485930a#commitcomment-8768047
-			var i = deletion_queue.length;
+		// for the reasoning behind the timeout and revocation flow
-			while (i--) {
+		, arbitrary_revoke_timeout = 500 // in ms
-				var file = deletion_queue[i];
+		, revoke = function(file) {
+			var revoker = function() {
 				if (typeof file === "string") { // file is an object URL
-					URL.revokeObjectURL(file);
+					get_URL().revokeObjectURL(file);
 				} else { // file is a File
 					file.remove();
 				}
+			};
+			if (view.chrome) {
+				revoker();
+			} else {
+				setTimeout(revoker, arbitrary_revoke_timeout);
 			}
-			deletion_queue.length = 0; // clear queue
 		}
 		, dispatch = function(filesaver, event_types, event) {
 			event_types = [].concat(event_types);
@@ -78,11 +89,6 @@ var saveAs = saveAs
 				, blob_changed = false
 				, object_url
 				, target_view
-				, get_object_url = function() {
-					var object_url = get_URL().createObjectURL(blob);
-					deletion_queue.push(object_url);
-					return object_url;
-				}
 				, dispatch_all = function() {
 					dispatch(filesaver, "writestart progress write writeend".split(" "));
 				}
@@ -90,15 +96,20 @@ var saveAs = saveAs
 				, fs_error = function() {
 					// don't create more object URLs than needed
 					if (blob_changed || !object_url) {
-						object_url = get_object_url(blob);
+						object_url = get_URL().createObjectURL(blob);
 					}
 					if (target_view) {
 						target_view.location.href = object_url;
 					} else {
-                        window.open(object_url, "_blank");
+						var new_tab = view.open(object_url, "_blank");
-                    }
+						if (new_tab == undefined && typeof safari !== "undefined") {
+							//Apple do not allow window.open, see http://bit.ly/1kZffRI
+							view.location.href = object_url
+						}
+					}
 					filesaver.readyState = filesaver.DONE;
 					dispatch_all();
+					revoke(object_url);
 				}
 				, abortable = function(func) {
 					return function() {
@@ -115,28 +126,24 @@ var saveAs = saveAs
 				name = "download";
 			}
 			if (can_use_save_link) {
-				object_url = get_object_url(blob);
+				object_url = get_URL().createObjectURL(blob);
-				// FF for Android has a nasty garbage collection mechanism
-				// that turns all objects that are not pure javascript into 'deadObject'
-				// this means `doc` and `save_link` are unusable and need to be recreated
-				// `view` is usable though:
-				doc = view.document;
-				save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a");
 				save_link.href = object_url;
 				save_link.download = name;
-				var event = doc.createEvent("MouseEvents");
+				click(save_link);
-				event.initMouseEvent(
-					"click", true, false, view, 0, 0, 0, 0, 0
-					, false, false, false, false, 0, null
-				);
-				save_link.dispatchEvent(event);
 				filesaver.readyState = filesaver.DONE;
 				dispatch_all();
+				revoke(object_url);
 				return;
 			}
+			// prepend BOM for UTF-8 XML and text/plain types
+			if (/^\s*(?:text\/(?:plain|xml)|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+				blob = new Blob(["\ufeff", blob], {type: blob.type});
+			}
 			// Object and web filesystem URLs have a problem saving in Google Chrome when
 			// viewed in a tab, so I force save with application/octet-stream
 			// http://code.google.com/p/chromium/issues/detail?id=91158
+			// Update: Google errantly closed 91158, I submitted it again:
+			// https://code.google.com/p/chromium/issues/detail?id=389642
 			if (view.chrome && type && type !== force_saveable_type) {
 				slice = blob.slice || blob.webkitSlice;
 				blob = slice.call(blob, 0, blob.size, force_saveable_type);
@@ -163,9 +170,9 @@ var saveAs = saveAs
 							file.createWriter(abortable(function(writer) {
 								writer.onwriteend = function(event) {
 									target_view.location.href = file.toURL();
-									deletion_queue.push(file);
 									filesaver.readyState = filesaver.DONE;
 									dispatch(filesaver, "writeend", event);
+									revoke(file);
 								};
 								writer.onerror = function() {
 									var error = writer.error;
@@ -222,11 +229,20 @@ var saveAs = saveAs
 	FS_proto.onwriteend =
 		null;
 
-	view.addEventListener("unload", process_deletion_queue, false);
 	return saveAs;
-}(this.self || this.window || this.content));
+}(
+	   typeof self !== "undefined" && self
+	|| typeof window !== "undefined" && window
+	|| this.content
+));
 // `self` is undefined in Firefox for Android content script context
 // while `this` is nsIContentFrameMessageManager
 // with an attribute `content` that corresponds to the window
 
-if (typeof module !== 'undefined') module.exports = saveAs;
+if (typeof module !== "undefined" && module.exports) {
+  module.exports.saveAs = saveAs;
+} else if ((typeof define !== "undefined" && define !== null) && (define.amd != null)) {
+  define([], function() {
+    return saveAs;
+  });
+}

server/src/uds/static/adm/js/api-spreadsheet.coffee

@@ -29,14 +29,36 @@ $ = jQuery
 
   (table, name) ->
     table = document.getElementById(table)  unless table.nodeType
+    tbl = $(table).dataTable().api()
+    settings = tbl.settings()[0]
+    iDisplayLength = settings._iDisplayLength
+    settings._iDisplayLength = -1
+    tbl.draw()
+
     ctx =
       worksheet: name or "Worksheet"
       table: table.innerHTML
 
-    saveAs new Blob([format(template, ctx)],
+    content = format(template, ctx)
-                          type: content_type
+
-                        ), name + '.xls'
+    settings._iDisplayLength = iDisplayLength
-    # window.location.href = uri + base64(format(template, ctx))
+    tbl.draw()
+
+    setTimeout( (()->
+        saveAs(
+          new Blob([content],
+                   type: content_type
+              ), 
+          name + '.xls'
+        )
+      ), 100)
+
+
+
+    #url = uri + base64(format(template, ctx))
+    #settings._iDisplayLength = iDisplayLength
+    #tbl.draw()
+    #window.location.href = url
     return
 )()