Move send shortcut string generation to the client side

src/mibew/js/source/chat/model_views/messages/message_form.js

@@ -78,6 +78,7 @@
             serializeData: function() {
                 var data = this.model.toJSON();
                 data.user = Mibew.Objects.Models.user.toJSON();
+                data.sendShortcut = this.getSendShortcut();
                 return data;
             },
 
@@ -204,6 +205,23 @@
              */
             dropFocus: function() {
                 this.focused = false;
+            },
+
+            /**
+             * Builds a string with send shortcut.
+             *
+             * @returns {String}
+             */
+            getSendShortcut: function() {
+                if (this.model.get('ignoreCtrl')) {
+                    return 'Enter';
+                }
+
+                // There is no Ctrl key on mac, thus we need to use a command
+                // key instead.
+                return (navigator.userAgent.indexOf('mac') !== -1)
+                    ? '⌘-Enter'
+                    : 'Ctrl-Enter';
             }
         }
     );

src/mibew/libs/chat.php

@@ -193,18 +193,6 @@ function get_known_user_agents()
     );
 }
 
-/**
- * Check if browser is opera with mac os
- *
- * @return bool Result of comparison of visitor browser and Opera_on_mac
- */
-function is_mac_opera()
-{
-    $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
-
-    return strstr($user_agent, "opera") && strstr($user_agent, "mac");
-}
-
 /**
  * Prepare logo data
  *
@@ -245,13 +233,6 @@ function prepare_chat_app_data()
 {
     $data = array();
 
-    // Set enter key shortcut
-    if (Settings::get('sendmessagekey') == 'enter') {
-        $data['send_shortcut'] = "Enter";
-    } else {
-        $data['send_shortcut'] = is_mac_opera() ? "⌘-Enter" : "Ctrl-Enter";
-    }
-
     // Set refresh frequency
     $data['frequency'] = Settings::get('updatefrequency_chat');
 

src/mibew/styles/dialogs/default/templates_src/client_side/chat/message_form.handlebars

@@ -19,7 +19,7 @@
                 </select>
             {{/if}}
         </div>
-        <a href="javascript:void(0)" id="send-message" title="{{l10n "Send message"}}">{{l10n "chat.window.send_message_short_and_shortcut"}}</a>
+        <a href="javascript:void(0)" id="send-message" title="{{l10n "Send message"}}">{{{l10n "Send ({0})" sendShortcut}}}</a>
     </div>
 {{/if}}
 </div>

src/mibew/styles/dialogs/default/templates_src/server_side/chat.handlebars

@@ -31,10 +31,6 @@
         {{{additional_js}}}
 
         <script type="text/javascript"><!--
-            // Localized strings for the core
-            Mibew.Localization.set({
-                'chat.window.send_message_short_and_shortcut': '{{#jsString}}{{l10n "Send ({0})" send_shortcut}}{{/jsString}}'
-            });
             // Plugins localization
             Mibew.Localization.set({{{additional_localized_strings}}});
         //--></script>