create draft_button component that listens to `draft:save`, `draft:saved`

3 files changed, 84 insertions, 1 deletions

diff --git a/web-ui/app/js/mail_view/ui/draft_button.js b/web-ui/app/js/mail_view/ui/draft_button.js
new file mode 100644
index 00000000..1a89c414
--- /dev/null
+++ b/web-ui/app/js/mail_view/ui/draft_button.js
@@ -0,0 +1,41 @@
+/*
+* Copyright (c) 2014 ThoughtWorks, Inc.
+*
+* Pixelated is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Pixelated is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
+*/
+'use strict';
+
+define([
+  'flight/lib/component',
+  'page/events',
+],
+function (defineComponent, events) {
+  return defineComponent(draftButton);
+
+  function draftButton() {
+    this.enableButton = function () {
+      this.$node.prop('disabled', false);
+    };
+
+    this.disableButton = function () {
+      this.$node.prop('disabled', true);
+    };
+
+    this.after('initialize', function(){
+      this.disableButton();
+      this.on(document, events.mail.saveDraft, this.disableButton);
+      this.on(document, events.mail.draftSaved, this.enableButton);
+    });
+  }
+});
diff --git a/web-ui/app/js/mixins/with_mail_edit_base.js b/web-ui/app/js/mixins/with_mail_edit_base.js
index 2434df92..b4a2b0c8 100644
--- a/web-ui/app/js/mixins/with_mail_edit_base.js
+++ b/web-ui/app/js/mixins/with_mail_edit_base.js
@@ -23,9 +23,10 @@ define(
     'page/events',
     'views/i18n',
     'mail_view/ui/send_button',
+    'mail_view/ui/draft_button',
     'flight/lib/utils'
   ],
-  function(viewHelper, Recipients, DraftSaveStatus, events, i18n, SendButton, utils) {
+  function(viewHelper, Recipients, DraftSaveStatus, events, i18n, SendButton, DraftButton, utils) {
     'use strict';
 
     function withMailEditBase() {
@@ -94,6 +95,7 @@ define(
         this.on(this.select('draftButton'), 'click', this.buildAndSaveDraft);
         this.on(this.select('trashButton'), 'click', this.trashMail);
         SendButton.attachTo(this.select('sendButton'));
+        DraftButton.attachTo(this.select('draftButton'));
 
         this.warnSendButtonOfRecipients();
       };
diff --git a/web-ui/test/spec/mail_view/ui/draft_button.spec.js b/web-ui/test/spec/mail_view/ui/draft_button.spec.js
new file mode 100644
index 00000000..e1e968de
--- /dev/null
+++ b/web-ui/test/spec/mail_view/ui/draft_button.spec.js
@@ -0,0 +1,40 @@
+/* global Pixelated */
+
+describeComponent('mail_view/ui/draft_button', function(){
+  'use strict';
+
+  describe('draft save button', function(){
+    beforeEach(function(){
+      this.setupComponent('<button></button>');
+    });
+
+    describe('after initialize', function(){
+      it('should be enabled', function(){
+        expect(this.$node).toBeDisabled();
+      });
+    });
+
+    describe('when enabled', function(){
+      beforeEach(function(){
+        this.$node.prop('disabled', false);
+      });
+
+      it('should be disabled when saving draft message', function(){
+        $(document).trigger(Pixelated.events.mail.saveDraft, {});
+        expect(this.$node).toBeDisabled();
+      });
+    });
+
+    describe('when disabled', function(){
+      beforeEach(function(){
+        this.$node.prop('disabled', true);
+      });
+
+      it('should be enabled when draft message has been saved', function(){
+        $(document).trigger(Pixelated.events.mail.draftSaved, {});
+        expect(this.$node).not.toBeDisabled();
+      });
+    });
+
+  });
+});