Bug 20291: Add a StaffLoginInstructions preference for adding text to staff client login

To test:
1 - Apply patches
2 - Upgrade database
3 - Check the staff client login page, should be no change
4 - Add something to the preferene
5 - It should appear on the login page

Signed-off-by: Owen Leonard <oleonard@myacpl.org>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

installer/data/mysql/atomicupdate/bug_20291_add_StaffLoginInstructions_preference.perl

@@ -0,0 +1,8 @@
+$DBversion = 'XXX';  # will be replaced by the RM
+if( CheckVersion( $DBversion ) ) {
+    $dbh->do("INSERT IGNORE INTO systempreferences (variable,value,explanation,options,type) VALUES ('StaffLoginInstructions','','HTML to go into the login box for the staff client',NULL,'Free')");
+
+    # Always end with this (adjust the bug info)
+    SetVersion( $DBversion );
+    print "Upgrade to $DBversion done (Bug 20291 - Add StaffLoginInstructions system preference)\n";
+}

koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/staff_client.pref

@@ -107,6 +107,11 @@ Staff Client:
             - pref: IntranetReportsHomeHTML
               type: htmlarea
               class: code
+        -
+            - "Show the following HTML on the staff client login page"
+            - pref: StaffLoginInstructions
+              type: htmlarea
+              class: code
     Options:
         -
             - pref: viewMARC

koha-tmpl/intranet-tmpl/prog/en/modules/auth.tt

@@ -18,6 +18,7 @@
 
 <div id="login">
 <h1><a href="http://koha-community.org">Koha</a></h1>
+[% IF (Koha.Preference('StaffLoginInstructions')) %]<div id="login_instructions">[% Koha.Preference('StaffLoginInstructions') %]</div>[% END %]
 [% IF ( nopermission ) %]
 <div id="login_error">
     <strong>Error:</strong>