[export] download csv using html5 download tag

frappe/public/js/frappe/misc/tools.js

@@ -10,45 +10,15 @@ frappe.tools.downloadify = function(data, roles, title) {
 	}
 
 	var _get_data = function() { return frappe.tools.to_csv(data); };
-	var flash_disabled = (navigator.mimeTypes["application/x-shockwave-flash"] == undefined);
 
-	var download_from_server = function() {
-		open_url_post("/", {
-			args: { data: data, filename: title },
-			cmd: "frappe.utils.csvutils.send_csv_to_client"
-		}, true);
-	}
+	var a         = document.createElement('a');
+	a.href        = 'data:attachment/csv,' + encodeURIComponent(_get_data());
+	a.target      = '_blank';
+	a.download    = title + '.csv';
 
-	// save file > abt 200 kb using server call
-	if((_get_data().length > 200000) || flash_disabled) {
-		download_from_server();
-	} else {
-		frappe.require("assets/frappe/js/lib/downloadify/downloadify.min.js");
-		frappe.require("assets/frappe/js/lib/downloadify/swfobject.js");
-
-		var id = frappe.dom.set_unique_id();
-		var msgobj = msgprint($.format('<p id="{0}"></p><hr><a id="alternative-download">{1}</a>',[
-					id, __('Alternative download link')]));
-		msgobj.$wrapper.find("#alternative-download").on("click", function() { download_from_server(); });
-
-		Downloadify.create(id ,{
-			filename: function(){
-				return title + '.csv';
-			},
-			data: _get_data,
-			swf: 'assets/frappe/js/lib/downloadify/downloadify.swf',
-			downloadImage: 'assets/frappe/js/lib/downloadify/download.png',
-			onComplete: function(){
-				$(msgobj.msg_area).html("<p>Saved</p>")
-			},
-			onCancel: function(){ msgobj.hide(); },
-			onError: function(){ msgobj.hide(); },
-			width: 100,
-			height: 30,
-			transparent: true,
-			append: false
-		});
-	}
+	document.body.appendChild(a);
+	a.click();
+	$(a).remove();
 };
 
 frappe.markdown = function(txt) {

frappe/public/js/lib/downloadify/downloadify.min.js

@@ -1,3 +0,0 @@
-/* Downloadify 0.2 (c) 2009 by Douglas Neiner. Licensed under the MIT license */
-/* See http://github.com/dcneiner/Downloadify for license and more info */
-(function(){Downloadify=window.Downloadify={queue:{},uid:new Date().getTime(),getTextForSave:function(a){var b=Downloadify.queue[a];if(b)return b.getData();return""},getFileNameForSave:function(a){var b=Downloadify.queue[a];if(b)return b.getFilename();return""},getDataTypeForSave:function(a){var b=Downloadify.queue[a];if(b)return b.getDataType();return""},saveComplete:function(a){var b=Downloadify.queue[a];if(b)b.complete();return true},saveCancel:function(a){var b=Downloadify.queue[a];if(b)b.cancel();return true},saveError:function(a){var b=Downloadify.queue[a];if(b)b.error();return true},addToQueue:function(a){Downloadify.queue[a.queue_name]=a},getUID:function(a){if(a.id=="")a.id='downloadify_'+Downloadify.uid++;return a.id}};Downloadify.create=function(a,b){var c=(typeof(a)=="string"?document.getElementById(a):a);return new Downloadify.Container(c,b)};Downloadify.Container=function(d,e){var f=this;f.el=d;f.enabled=true;f.dataCallback=null;f.filenameCallback=null;f.data=null;f.filename=null;var g=function(){f.options=e;if(!f.options.append)f.el.innerHTML="";f.flashContainer=document.createElement('span');f.el.appendChild(f.flashContainer);f.queue_name=Downloadify.getUID(f.flashContainer);if(typeof(f.options.filename)==="function")f.filenameCallback=f.options.filename;else if(f.options.filename)f.filename=f.options.filename;if(typeof(f.options.data)==="function")f.dataCallback=f.options.data;else if(f.options.data)f.data=f.options.data;var a={queue_name:f.queue_name,width:f.options.width,height:f.options.height};var b={allowScriptAccess:'always'};var c={id:f.flashContainer.id,name:f.flashContainer.id};if(f.options.enabled===false)f.enabled=false;if(f.options.transparent===true)b.wmode="transparent";if(f.options.downloadImage)a.downloadImage=f.options.downloadImage;swfobject.embedSWF(f.options.swf,f.flashContainer.id,f.options.width,f.options.height,"10",null,a,b,c);Downloadify.addToQueue(f)};f.enable=function(){var a=document.getElementById(f.flashContainer.id);a.setEnabled(true);f.enabled=true};f.disable=function(){var a=document.getElementById(f.flashContainer.id);a.setEnabled(false);f.enabled=false};f.getData=function(){if(!f.enabled)return"";if(f.dataCallback)return f.dataCallback();else if(f.data)return f.data;else return""};f.getFilename=function(){if(f.filenameCallback)return f.filenameCallback();else if(f.filename)return f.filename;else return""};f.getDataType=function(){if(f.options.dataType)return f.options.dataType;return"string"};f.complete=function(){if(typeof(f.options.onComplete)==="function")f.options.onComplete()};f.cancel=function(){if(typeof(f.options.onCancel)==="function")f.options.onCancel()};f.error=function(){if(typeof(f.options.onError)==="function")f.options.onError()};g()};Downloadify.defaultOptions={swf:'media/downloadify.swf',downloadImage:'images/download.png',width:100,height:30,transparent:true,append:false,dataType:"string"}})();if(typeof(jQuery)!="undefined"){(function($){$.fn.downloadify=function(b){return this.each(function(){b=$.extend({},Downloadify.defaultOptions,b);var a=Downloadify.create(this,b);$(this).data('Downloadify',a)})}})(jQuery)};if(typeof(MooTools)!='undefined'){Element.implement({downloadify:function(a){a=$merge(Downloadify.defaultOptions,a);return this.store('Downloadify',Downloadify.create(this,a))}})};