'Reply as new topic' link in the share dialog

app/assets/javascripts/discourse/controllers/share.js.es6

@@ -29,6 +29,11 @@ export default Ember.Controller.extend({
       return false;
     },
 
+    replyAsNewTopic() {
+      this.get("controllers.topic").send("replyAsNewTopic");
+      this.send("close");
+    },
+
     share(source) {
       var url = source.generateUrl(this.get('link'), this.get('title'));
       if (source.shouldOpenInPopup) {

app/assets/javascripts/discourse/controllers/topic.js.es6

@@ -586,10 +586,10 @@ export default Ember.Controller.extend(SelectedPostsCount, BufferedContent, {
     },
 
     replyAsNewTopic(post) {
-      const composerController = this.get('controllers.composer'),
-            quoteController = this.get('controllers.quote-button'),
-            quotedText = Quote.build(quoteController.get('post'), quoteController.get('buffer')),
-            self = this;
+      const composerController = this.get('controllers.composer');
+      const quoteController = this.get('controllers.quote-button');
+      post = post || quoteController.get('post');
+      const quotedText = Quote.build(post, quoteController.get('buffer'));
 
       quoteController.deselectText();
 
@@ -601,7 +601,7 @@ export default Ember.Controller.extend(SelectedPostsCount, BufferedContent, {
         return Em.isEmpty(quotedText) ? "" : quotedText;
       }).then(q => {
         const postUrl = `${location.protocol}//${location.host}${post.get('url')}`;
-        const postLink = `[${Handlebars.escapeExpression(self.get('model.title'))}](${postUrl})`;
+        const postLink = `[${Handlebars.escapeExpression(this.get('model.title'))}](${postUrl})`;
         composerController.get('model').prependText(`${I18n.t("post.continue_discussion", { postLink })}\n\n${q}`, {new_line: true});
       });
     },

app/assets/javascripts/discourse/templates/share.hbs

@@ -14,6 +14,10 @@
     {{share-source source=s title=title action="share"}}
   {{/each}}
 
+  <div class='reply-as-new-topic'>
+    <a href {{action "replyAsNewTopic"}} aria-label='{{i18n 'post.reply_as_new_topic'}}' title='{{i18n 'post.reply_as_new_topic'}}'>{{fa-icon "plus"}}{{i18n 'topic.create'}}</a>
+  </div>
+
   <div class='link'>
     <a href {{action "close"}} aria-label='{{i18n 'share.close'}}' title='{{i18n 'share.close'}}'>{{fa-icon "close"}}</a>
   </div>

app/assets/javascripts/discourse/views/quote-button.js.es6

@@ -3,7 +3,8 @@ function ignoreElements(e) {
   const $target = $(e.target);
   return $target.hasClass('quote-button') ||
          $target.closest('.create').length ||
-         $target.closest('.reply-new').length;
+         $target.closest('.reply-new').length ||
+         $target.closest('.share').length;
 }
 
 export default Ember.View.extend({

app/assets/javascripts/discourse/views/share.js.es6

@@ -1,3 +1,5 @@
+import computed from 'ember-addons/ember-computed-decorators';
+import { observes } from 'ember-addons/ember-computed-decorators';
 import { wantsNewWindow } from 'discourse/lib/intercept-click';
 
 export default Ember.View.extend({
@@ -5,45 +7,43 @@ export default Ember.View.extend({
   elementId: 'share-link',
   classNameBindings: ['hasLink'],
 
-  hasLink: function() {
-    if (!Ember.isEmpty(this.get('controller.link'))) return 'visible';
-    return null;
-  }.property('controller.link'),
+  @computed('controller.link')
+  hasLink(link) {
+    return !Ember.isEmpty(link) ? 'visible' : null;
+  },
 
-  linkChanged: function() {
-    const self = this;
-    if (!Ember.isEmpty(this.get('controller.link'))) {
-      Em.run.next(function() {
-        if (!self.capabilities.touch) {
-          var $linkInput = $('#share-link input');
-          $linkInput.val(self.get('controller.link'));
+  @observes('controller.link')
+  linkChanged() {
+    const link = this.get('controller.link');
+    if (!Ember.isEmpty(link)) {
+      Ember.run.next(() => {
+        if (!this.capabilities.touch) {
+          const $linkInput = $('#share-link input');
+          $linkInput.val(link);
 
           // Wait for the fade-in transition to finish before selecting the link:
-          window.setTimeout(function() {
-            $linkInput.select().focus();
-          }, 160);
+          window.setTimeout(() => $linkInput.select().focus(), 160);
         } else {
-          var $linkForTouch = $('#share-link .share-for-touch a');
-          $linkForTouch.attr('href',self.get('controller.link'));
-          $linkForTouch.html(self.get('controller.link'));
-          var range = window.document.createRange();
+          const $linkForTouch = $('#share-link .share-for-touch a');
+          $linkForTouch.attr('href', link);
+          $linkForTouch.html(link);
+          const range = window.document.createRange();
           range.selectNode($linkForTouch[0]);
           window.getSelection().addRange(range);
         }
       });
     }
-  }.observes('controller.link'),
+  },
 
-  didInsertElement: function() {
-    var self = this,
-        $html = $('html');
+  didInsertElement() {
+    const self = this;
+    const $html = $('html');
 
-    $html.on('mousedown.outside-share-link', function(e) {
+    $html.on('mousedown.outside-share-link', e => {
       // Use mousedown instead of click so this event is handled before routing occurs when a
       // link is clicked (which is a click event) while the share dialog is showing.
-      if (self.$().has(e.target).length !== 0) { return; }
-
-      self.get('controller').send('close');
+      if (this.$().has(e.target).length !== 0) { return; }
+      this.get('controller').send('close');
       return true;
     });
 
@@ -58,9 +58,7 @@ export default Ember.View.extend({
 
       const shareLinkWidth = $shareLink.width();
       let x = $currentTargetOffset.left - (shareLinkWidth / 2);
-      if (x < 25) {
-        x = 25;
-      }
+      if (x < 25) { x = 25; }
       if (x + shareLinkWidth > $(window).width()) {
         x -= shareLinkWidth / 2;
       }
@@ -84,7 +82,7 @@ export default Ember.View.extend({
 
     this.appEvents.on('share:url', (url, $target) => showPanel($target, url));
 
-    $html.on('click.discoure-share-link', '[data-share-url]', function(e) {
+    $html.on('click.discoure-share-link', '[data-share-url]', e => {
       // if they want to open in a new tab, let it so
       if (wantsNewWindow(e)) { return true; }
 
@@ -98,14 +96,14 @@ export default Ember.View.extend({
       return false;
     });
 
-    $html.on('keydown.share-view', function(e){
+    $html.on('keydown.share-view', e => {
       if (e.keyCode === 27) {
-        self.get('controller').send('close');
+        this.get('controller').send('close');
       }
     });
   },
 
-  willDestroyElement: function() {
+  willDestroyElement() {
     this.get('controller').send('close');
 
     $('html').off('click.discoure-share-link')

app/assets/javascripts/discourse/widgets/post-menu.js.es6

@@ -114,6 +114,7 @@ registerButton('replies', (attrs, state, siteSettings) => {
 registerButton('share', attrs => {
   return {
     action: 'share',
+    className: 'share',
     title: 'post.controls.share',
     icon: 'link',
     data: {

app/assets/stylesheets/common/base/share_link.scss

@@ -42,6 +42,12 @@
     float: left;
     font-size: 1.571em;
   }
+  .reply-as-new-topic {
+    float: left;
+    .fa {
+      margin-right: 5px;
+    }
+  }
   .link {
     margin-right: 2px;
     float: right;