js: add "ctrl+enter to submit form" shortcut.

Press Ctrl+Enter inside any text box to submit the form.

app/javascript/src/javascripts/shortcuts.js

@@ -5,6 +5,8 @@ let Shortcuts = {};
 Shortcuts.initialize = function() {
   Utility.keydown("s", "scroll_down", Shortcuts.nav_scroll_down);
   Utility.keydown("w", "scroll_up", Shortcuts.nav_scroll_up);
+  Utility.keydown("ctrl+return", "submit_form", Shortcuts.submit_form, 'input[type="text"], textarea');
+
   Shortcuts.initialize_data_shortcuts();
 }
 
@@ -42,6 +44,11 @@ Shortcuts.initialize_data_shortcuts = function() {
   });
 };
 
+Shortcuts.submit_form = function(event) {
+  $(event.target).parents("form").find('input[type="submit"]').click();
+  event.preventDefault();
+};
+
 Shortcuts.nav_scroll_down = function() {
   window.scrollBy(0, $(window).height() * 0.15);
 }

app/javascript/src/javascripts/uploads.js.erb

@@ -1,4 +1,6 @@
 import Post from './posts.js.erb'
+import Shortcuts from './shortcuts.js';
+import Utility from './utility.js';
 import Dropzone from 'dropzone';
 import SparkMD5 from 'spark-md5';
 
@@ -11,7 +13,7 @@ Upload.IQDB_HIGH_SIMILARITY = 65;
 
 Upload.initialize_all = function() {
   if ($("#c-uploads,#c-posts").length) {
-    this.initialize_enter_on_tags();
+    Utility.keydown("return", "submit", Shortcuts.submit_form, "#upload_tag_string, #post_tag_string");
     $("#upload_source").on("change.danbooru", Upload.fetch_data_manual);
     $(document).on("click.danbooru", "#fetch-data-manual", Upload.fetch_data_manual);
   }
@@ -66,16 +68,6 @@ Upload.validate_upload = function (e) {
   }
 }
 
-Upload.initialize_enter_on_tags = function() {
-  var $textarea = $("#upload_tag_string, #post_tag_string");
-  var $submit = $textarea.parents("form").find('input[type="submit"]');
-
-  $textarea.on("keydown.danbooru.submit", null, "return", function(e) {
-    $submit.click();
-    e.preventDefault();
-  });
-}
-
 Upload.initialize_similar = function() {
   $("#similar-button").on("click.danbooru", function(e) {
     e.preventDefault();

app/javascript/src/javascripts/utility.js

@@ -67,9 +67,9 @@ Utility.dialog = function(title, html) {
   });
 }
 
-Utility.keydown = function(keys, namespace, handler) {
+Utility.keydown = function(keys, namespace, handler, selector = document) {
   if (CurrentUser.data("enable-post-navigation")) {
-    $(document).on("keydown.danbooru." + namespace, null, keys, handler);
+    $(selector).on("keydown.danbooru." + namespace, null, keys, handler);
   }
 };