1 files changed, 92 insertions, 0 deletions
diff --git a/rt/html/Elements/Callback b/rt/html/Elements/Callback
new file mode 100644
index 000000000..b498f2816
--- /dev/null
+++ b/rt/html/Elements/Callback
@@ -0,0 +1,92 @@
+%# BEGIN BPS TAGGED BLOCK {{{
+%# 
+%# COPYRIGHT:
+%#  
+%# This software is Copyright (c) 1996-2007 Best Practical Solutions, LLC 
+%#                                          <jesse@bestpractical.com>
+%# 
+%# (Except where explicitly superseded by other copyright notices)
+%# 
+%# 
+%# LICENSE:
+%# 
+%# This work is made available to you under the terms of Version 2 of
+%# the GNU General Public License. A copy of that license should have
+%# been provided with this software, but in any event can be snarfed
+%# from www.gnu.org.
+%# 
+%# This work is distributed in the hope that it will be useful, but
+%# WITHOUT ANY WARRANTY; without even the implied warranty of
+%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+%# General Public License for more details.
+%# 
+%# You should have received a copy of the GNU General Public License
+%# along with this program; if not, write to the Free Software
+%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+%# 02110-1301 or visit their web page on the internet at
+%# http://www.gnu.org/copyleft/gpl.html.
+%# 
+%# 
+%# CONTRIBUTION SUBMISSION POLICY:
+%# 
+%# (The following paragraph is not intended to limit the rights granted
+%# to you to modify and distribute this software under the terms of
+%# the GNU General Public License and is only of importance to you if
+%# you choose to contribute your changes and enhancements to the
+%# community by submitting them to Best Practical Solutions, LLC.)
+%# 
+%# By intentionally submitting any modifications, corrections or
+%# derivatives to this work, or any other work intended for use with
+%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+%# you are the copyright holder for those contributions and you grant
+%# Best Practical Solutions,  LLC a nonexclusive, worldwide, irrevocable,
+%# royalty-free, perpetual, license to use, copy, create derivative
+%# works based on those contributions, and sublicense and distribute
+%# those contributions and any derivatives thereof.
+%# 
+%# END BPS TAGGED BLOCK }}}
+<%once>
+my %cache;
+</%once>
+<%init>
+$Page = $m->callers(1)->path unless ($Page);
+
+my $CacheKey = "Callback--$Page--$_CallbackName";
+my $callbacks = $cache{$CacheKey} || $m->notes($CacheKey);
+
+if (!$callbacks) {
+    my $path  = "/Callbacks/*$Page/$_CallbackName";
+
+    # Due to API changes after Mason 1.28, we have to check for which
+    # version we're running when getting the component roots
+    my @roots = map { $_->[1] }
+                    $HTML::Mason::VERSION <= 1.28
+                        ? $m->interp->resolver->comp_root_array
+                        : $m->interp->comp_root_array;
+    
+    my %seen;
+    
+    for my $root (@roots) {
+        push @$callbacks,
+            # Skip backup files, files without a leading package name,
+            # and files we've already seen
+            grep {     !/\/\.|~$/
+                   and $_ ne "/Callbacks/$Page/$_CallbackName"
+                   and not $seen{$_}++ }
+                 $m->interp->resolver->glob_path($path, $root);
+    }
+    
+    $m->notes($CacheKey => $callbacks);
+    $cache{$CacheKey} = $callbacks if !$RT::DevelMode;
+}
+
+my @rv;
+foreach my $comp (sort @$callbacks) {
+    push @rv, $m->comp($comp, %ARGS);
+}
+return @rv;
+</%init>
+<%args>
+$_CallbackName => 'Default'
+$Page => undef
+</%args>