GUAC-1133: Add session placeholder.

guacamole/src/main/webapp/app/home/styles/home.css

@@ -41,16 +41,6 @@ div.recent-connections {
     text-align: center;
 }
 
-.no-recent {
-
-    color: rgba(255, 255, 255, 0.5);
-    text-shadow: -1px -1px rgba(0, 0, 0, 0.5);
-    opacity: 0.5;
-    
-    font-size: 2em;
-    font-weight: bolder;
-}
-
 div.recent-connections div.connection {
     -moz-border-radius: 0.5em;
     -webkit-border-radius: 0.5em;

guacamole/src/main/webapp/app/home/templates/guacRecentConnections.html

@@ -22,7 +22,7 @@
     -->
 
     <!-- Text displayed if no recent connections exist -->
-    <p class="no-recent" ng-hide="hasRecentConnections()">{{'HOME.INFO_NO_RECENT_CONNECTIONS' | translate}}</p>
+    <p class="placeholder" ng-hide="hasRecentConnections()">{{'HOME.INFO_NO_RECENT_CONNECTIONS' | translate}}</p>
 
     <!-- All active connections -->
     <div ng-repeat="activeConnection in activeConnections" class="connection">

guacamole/src/main/webapp/app/index/styles/lists.css

@@ -83,3 +83,14 @@ div.recent-connections .protocol {
     margin-left: 0.25em;
 }
 
+.placeholder {
+
+    color: rgba(255, 255, 255, 0.5);
+    text-shadow: -1px -1px rgba(0, 0, 0, 0.5);
+    text-align: center;
+    opacity: 0.5;
+
+    font-size: 2em;
+    font-weight: bolder;
+
+}

guacamole/src/main/webapp/app/manage/styles/sessions.css

@@ -25,7 +25,7 @@
     border-collapse: collapse;
 }
 
-.manage table.session-list tbody tr:hover {
+.manage table.session-list tr.session:hover {
     background: #CDA;
 }
 

guacamole/src/main/webapp/app/manage/templates/manageSessions.html

@@ -60,6 +60,11 @@ THE SOFTWARE.
             </tbody>
         </table>
 
+        <!-- Text displayed if no sessions exist -->
+        <p class="placeholder" ng-hide="wrapperPage.length">
+            {{'MANAGE_SESSION.INFO_NO_SESSIONS' | translate}}
+        </p>
+
         <!-- Pager for session list -->
         <guac-pager page="wrapperPage" page-size="25" items="wrappers | orderBy : 'username'"></guac-pager>
     </div>

guacamole/src/main/webapp/translations/en_US.json

@@ -245,6 +245,8 @@
         
         "HELP_SESSIONS" : "All currently-active Guacamole sessions are listed here. If you wish to kill one or more sessions, check the box next to those sessions and click \"Kill Sessions\". Killing a session will immediately disconnect the user from the associated connection.",
         
+        "INFO_NO_SESSIONS" : "No active sessions",
+
         "SECTION_HEADER_SESSIONS" : "Sessions",
         
         "TABLE_HEADER_SESSION_USERNAME"        : "Username",