--- loncom/interface/loncommon.pm 2008/01/06 04:38:57 1.633 +++ loncom/interface/loncommon.pm 2008/03/23 23:06:31 1.636.2.4 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.633 2008/01/06 04:38:57 raeburn Exp $ +# $Id: loncommon.pm,v 1.636.2.4 2008/03/23 23:06:31 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -78,6 +78,72 @@ my $readit; ## Global Variables ## +# ----------------------------------------------- SSI with retries: +# + +=pod + +=head1 Server Side include with retries: + +=over 4 + +=item * &ssi_with_retries(resource,retries form) + +Performs an ssi with some number of retries. Retries continue either +until the result is ok or until the retry count supplied by the +caller is exhausted. + +Inputs: + +=over 4 + +resource - Identifies the resource to insert. + +retries - Count of the number of retries allowed. + +form - Hash that identifies the rendering options. + +=back + +Returns: + +=over 4 + +content - The content of the response. If retries were exhausted this is empty. + +response - The response from the last attempt (which may or may not have been successful. + +=back + +=back + +=cut + +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + + + my $ok = 0; # True if we got a good response. + my $content; + my $response; + + # Try to get the ssi done. within the retries count: + + do { + ($content, $response) = &Apache::lonnet::ssi($resource, %form); + $ok = $response->is_success; + $retries--; + } while (!$ok && ($retries > 0)); + + if (!$ok) { + $content = ''; # On error return an empty content. + } + return ($content, $response); + +} + + + # ----------------------------------------------- Filetypes/Languages/Copyright my %language; my %supported_language; @@ -782,10 +848,10 @@ sub helpLatexCheatsheet { } return '
'. $addOther . - &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols', + &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'), undef,undef,600) .' | '. - &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols', + &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'), undef,undef,600) .' |