(refs #432)Show the information message at the top page

src/main/scala/app/SystemSettingsController.scala

@@ -21,6 +21,7 @@ trait SystemSettingsControllerBase extends ControllerBase {
 
   private val form = mapping(
     "baseUrl"                  -> trim(label("Base URL", optional(text()))),
+    "information"              -> trim(label("Information", optional(text()))),
     "allowAccountRegistration" -> trim(label("Account registration", boolean())),
     "gravatar"                 -> trim(label("Gravatar", boolean())),
     "notification"             -> trim(label("Notification", boolean())),

src/main/scala/service/SystemSettingsService.scala

@@ -12,6 +12,7 @@ trait SystemSettingsService {
   def saveSystemSettings(settings: SystemSettings): Unit = {
     defining(new java.util.Properties()){ props =>
       settings.baseUrl.foreach(x => props.setProperty(BaseURL, x.replaceFirst("/\\Z", "")))
+      settings.information.foreach(x => props.setProperty(Information, x))
       props.setProperty(AllowAccountRegistration, settings.allowAccountRegistration.toString)
       props.setProperty(Gravatar, settings.gravatar.toString)
       props.setProperty(Notification, settings.notification.toString)
@@ -60,6 +61,7 @@ trait SystemSettingsService {
       }
       SystemSettings(
         getOptionValue[String](props, BaseURL, None).map(x => x.replaceFirst("/\\Z", "")),
+        getOptionValue[String](props, Information, None),
         getValue(props, AllowAccountRegistration, false),
         getValue(props, Gravatar, true),
         getValue(props, Notification, false),
@@ -105,6 +107,7 @@ object SystemSettingsService {
 
   case class SystemSettings(
     baseUrl: Option[String],
+    information: Option[String],
     allowAccountRegistration: Boolean,
     gravatar: Boolean,
     notification: Boolean,
@@ -147,6 +150,7 @@ object SystemSettingsService {
   val DefaultLdapPort = 389
 
   private val BaseURL = "base_url"
+  private val Information = "information"
   private val AllowAccountRegistration = "allow_account_registration"
   private val Gravatar = "gravatar"
   private val Notification = "notification"

src/main/twirl/admin/system.scala.html

@@ -31,6 +31,14 @@
             You can use this property to adjust URL difference between the reverse proxy and GitBucket.
           </p>
           <!--====================================================================-->
+          <!-- Information -->
+          <!--====================================================================-->
+          <hr>
+          <label><span class="strong">Information</span> (HTML is available)</label>
+          <fieldset>
+            <textarea name="information" style="width: 600px; height: 100px;">@settings.information</textarea>
+          </fieldset>
+          <!--====================================================================-->
           <!-- Account registration -->
           <!--====================================================================-->
           <hr>

src/main/twirl/index.scala.html

@@ -13,7 +13,14 @@
         </div>
         @helper.html.activities(activities)
       </div>
+
       <div class="span4">
+        @settings.information.map { information =>
+          <div class="alert alert-info" style="background-color: white; color: #555; border-color: #4183c4; font-size: small; line-height: 120%;">
+            <button type="button" class="close" data-dismiss="alert">&times;</button>
+            @Html(information)
+          </div>
+        }
         @if(loginAccount.isEmpty){
           @signinform(settings)
         } else {