new version dialog: display error when no version info available

diff --git a/classes/dlg.php b/classes/dlg.php
index 30dfa1ce1572cfe61389382132ed5126db315e51..74eb9f633c79706afc9f84fa8c6cce8848505a50 100644 (file)
--- a/classes/dlg.php
+++ b/classes/dlg.php
@@ -585,26 +585,42 @@ class Dlg extends Handler_Protected {
                $version = $version_data['version'];
                $id = $version_data['version_id'];
 
-               print "<div class='tagCloudContainer'>";
+               if ($version && $id) {
+                       print "<div class='tagCloudContainer'>";
 
-               print T_sprintf("New version of Tiny Tiny RSS is available (%s).",
-                       "<b>$version</b>");
+                       print T_sprintf("New version of Tiny Tiny RSS is available (%s).",
+                               "<b>$version</b>");
 
-               print "</div>";
+                       print "</div>";
 
-               $details = "http://tt-rss.org/redmine/versions/$id";
-               $download = "http://tt-rss.org/#Download";
+                       $details = "http://tt-rss.org/redmine/versions/$id";
+                       $download = "http://tt-rss.org/#Download";
 
-               print "<p align='center'>".__("You can update using built-in updater in the Preferences or by using update.php")."</p>";
+                       print "<p align='center'>".__("You can update using built-in updater in the Preferences or by using update.php")."</p>";
 
-               print "<div style='text-align : center'>";
-               print "<button dojoType=\"dijit.form.Button\"
-                       onclick=\"return window.open('$details')\">".__("Details")."</button>";
-               print "<button dojoType=\"dijit.form.Button\"
-                       onclick=\"return window.open('$download')\">".__("Download")."</button>";
-               print "<button dojoType=\"dijit.form.Button\"
-                       onclick=\"return dijit.byId('newVersionDlg').hide()\">".
-                       __('Close this window')."</button>";
+                       print "<div style='text-align : center'>";
+                       print "<button dojoType=\"dijit.form.Button\"
+                               onclick=\"return window.open('$details')\">".__("Details")."</button>";
+                       print "<button dojoType=\"dijit.form.Button\"
+                               onclick=\"return window.open('$download')\">".__("Download")."</button>";
+                       print "<button dojoType=\"dijit.form.Button\"
+                               onclick=\"return dijit.byId('newVersionDlg').hide()\">".
+                               __('Close this window')."</button>";
+
+               } else {
+                       print "<div class='tagCloudContainer'>";
+
+                       print "<p align='center'>".__("Error receiving version information or no new version available.")."</p>";
+
+                       print "</div>";
+
+                       print "<div style='text-align : center'>";
+                       print "<button dojoType=\"dijit.form.Button\"
+                               onclick=\"return dijit.byId('newVersionDlg').hide()\">".
+                               __('Close this window')."</button>";
+                       print "</div>";
+
+               }
                print "</div>";
 
        }