refactoring: moved upload logic out of the attachment icon

Issue #548

1 files changed, 50 insertions, 2 deletions

diff --git a/web-ui/app/js/mail_view/data/attachment_list.js b/web-ui/app/js/mail_view/data/attachment_list.js
index af48b059..7ea2f9d9 100644
--- a/web-ui/app/js/mail_view/data/attachment_list.js
+++ b/web-ui/app/js/mail_view/data/attachment_list.js
@@ -17,24 +17,72 @@
 
 define(
     [
+        'flight/lib/component',
         'page/events'
     ],
 
-    function (events) {
+    function (defineComponent, events) {
         'use strict';
 
         function attachmentList() {
             this.defaultAttrs({
+                inputFileUpload: '#fileupload',
+                attachmentListItem: '#attachment-list-item',
+                progressBar: '#progress .progress-bar',
+                attachmentBaseUrl: '/attachment',
                 attachments: []
             });
 
             this.addAttachment = function (event, data) {
                 this.attr.attachments.push(data);
+                this.renderAttachmentListView(data);
+            };
+
+            this.renderAttachmentListView = function (data) {
+                var item = this.buildAttachmentListItem(data);
+                this.select('attachmentListItem').html(item);
+            };
+
+            function humanReadable(bytes) {
+                var e = Math.floor(Math.log(bytes) / Math.log(1024));
+                return (bytes / Math.pow(1024, e)).toFixed(2) + ' ' + ' KMGTP'.charAt(e) + 'b';
+            }
+
+            this.buildAttachmentListItem = function (data) {
+                return '<a href="' + this.attr.attachmentBaseUrl + '/' + data.attachment_id + '?filename=' +
+                    data.filename + '&encoding=base64">' + data.filename + ' (' + humanReadable(data.filesize) + ')' +
+                    '</a>';
+            };
+
+            function addJqueryFileUploadConfig(self) {
+                self.select('inputFileUpload').fileupload({
+                    url: self.attr.attachmentBaseUrl,
+                    dataType: 'json',
+                    done: function (e, response) {
+                        var data = response.result;
+                        self.trigger(document, events.mail.uploadedAttachment, data);
+                    },
+                    progressall: function (e, data) {
+                        var progressRate = parseInt(data.loaded / data.total * 100, 10);
+                        self.select('progressBar').css('width', progressRate + '%');
+                    }
+                }).bind('fileuploadstart', function (e) {
+                    self.trigger(document, events.mail.uploadingAttachment);
+                }).bind('fileuploadadd', function (e) {
+                    $('.attachmentsAreaWrap').show();
+                });
+            }
+
+            this.startUpload = function () {
+                addJqueryFileUploadConfig(this);
+                this.select('inputFileUpload').click();
             };
 
             this.after('initialize', function () {
                 this.on(document, events.mail.uploadedAttachment, this.addAttachment);
+                this.on(document, events.mail.startUploadAttachment, this.startUpload);
             });
         }
-        return attachmentList;
+
+        return defineComponent(attachmentList);
     });
\ No newline at end of file