--- loncom/homework/edit.pm 2008/11/10 14:11:16 1.117 +++ loncom/homework/edit.pm 2008/12/10 21:59:43 1.121 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # edit mode helpers # -# $Id: edit.pm,v 1.117 2008/11/10 14:11:16 jms Exp $ +# $Id: edit.pm,v 1.121 2008/12/10 21:59:43 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -44,102 +44,87 @@ mode interfaces. This is part of the LearningOnline Network with CAPA project described at http://www.lon-capa.org. -=head1 HANDLER SUBROUTINE - -There is no handler subroutine. - -=head1 OTHER SUBROUTINES +=head1 SUBROUTINES =over 4 -=item * +=item initialize_edit() -initialize_edit() : initialize edit (set colordepth to zero) +initialize edit (set colordepth to zero) -=item * +=item tag_start($target,$token,$description) -tag_start($target,$token,$description) : provide deletion and insertion lists +provide deletion and insertion lists for the manipulation of a start tag; return a scalar string -=item * +=item tag_end($target,$token,$description) -tag_end($target,$token,$description) : ending syntax corresponding to +ending syntax corresponding to &tag_start. return a scalar string. -=item * +=item start_table($token) -start_table($token) : start table; update colordepth; return scalar string. +start table; update colordepth; return scalar string. -=item * +=item end_table() -end_table() : reduce color depth; end table; return scalar string +reduce color depth; end table; return scalar string -=item * +=item start_spanning_row() -start_spanning_row() : start a new table row spanning the 'edit' environment. +start a new table row spanning the 'edit' environment. -=item * +=item start_row() -start_row() : start a new table row and element. +start a new table row and element. -=item * +=item end_row() -end_row() : end current table element and row. +end current table element and row. -=item * +=item movebuttons($target,$token) -movebuttons($target,$token) : move-up and move-down buttons; return scalar -string +move-up and move-down buttons; return scalar string -=item * +=item deletelist($target,$token) -deletelist($target,$token) : provide a yes option in an HTML select element; -return scalar string +provide a yes option in an HTML select element; return scalar string -=item * +=item handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval, +$style) -handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval, -$style) : respond to a user delete request by passing relevant stack +respond to a user delete request by passing relevant stack and array information to various rendering functions; return a scalar string -=item * +=item get_insert_list($token) -get_insert_list($token) : provide an insertion list based on possibilities -from lonxml; return a scalar string +provide an insertion list based on possibilities from lonxml; return a scalar string -=item * +=item insertlist($target,$token) -insertlist($target,$token) : api that uses get_insert_list; -return a scalar string +api that uses get_insert_list; return a scalar string -=item * +=item handleinsert($token) -handleinsert($token) : provide an insertion list based on possibilities -from lonxml; return a scalar string +provide an insertion list based on possibilities from lonxml; return a scalar string -=item * +=item get_insert_list($token) -get_insert_list($token) : provide an insertion list based on possibilities -from lonxml; return a scalar string +provide an insertion list based on possibilities from lonxml; return a scalar string -=item * -browse($elementname) : provide a link which will open up the filesystem -browser (lonindexer) and, once a file is selected, place the result in -the form element $elementname. +=item browse($elementname) -=item * -search($elementname) : provide a link which will open up the filesystem -searcher (lonsearchcat) and, once a file is selected, place the result in -the form element $elementname. +provide a link which will open up the filesystem browser (lonindexer) and, once a file is selected, place the result in the form element $elementname. -=item * -editline(tag,data,description,size): Provide a for -single-line text entry. This is to be used for text enclosed by tags, not -arguements/parameters associated with a tag. +=item search($elementname) -=back +provide a link which will open up the filesystem searcher (lonsearchcat) and, once a file is selected, place the result in the form element $elementname. -incomplete... +=item editline(tag,data,description,size) + +Provide a for single-line text entry. This is to be used for text enclosed by tags, not arguements/parameters associated with a tag. + +=back =cut @@ -857,15 +842,15 @@ sub checked_arg { $text=$option; $value='value="'.$option.'"'; } - $result.="\n"; + $result.=&element_change_detection().' />'.$text.''."\n"; } return $result; } @@ -878,7 +863,7 @@ sub text_arg { $result=&mt($description).' '; - return ''.$result.''; + return ''.$result.''; } sub select_arg { @@ -886,26 +871,28 @@ sub select_arg { my $result; my $optionlist=""; my $selected=$token->[2]{$name}; - foreach my $option (@$list) { - my ($text,$value); - if ( ref($option) eq 'ARRAY') { - $value='value="'.&HTML::Entities::encode($$option[0]).'"'; - $text=$$option[1]; - $option=$$option[0]; - } else { - $text=$option; - $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"'; - } - if ( $selected eq $option ) { - $optionlist.="\n"; - } else { - $optionlist.="\n"; - } + if (ref($list) eq 'ARRAY') { + foreach my $option (@{$list}) { + my ($text,$value); + if (ref($option) eq 'ARRAY') { + $value='value="'.&HTML::Entities::encode($option->[0]).'"'; + $text=$option->[1]; + $option=$option->[0]; + } else { + $text=$option; + $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"'; + } + if ( $selected eq $option ) { + $optionlist.="\n"; + } else { + $optionlist.="\n"; + } + } } - $result.=''.&mt($description).'  '.$optionlist.' - '; + '; return $result; } @@ -915,22 +902,24 @@ sub select_or_text_arg { my $optionlist=""; my $found=0; my $selected=$token->[2]{$name}; - foreach my $option (@$list) { - my ($text,$value); - if ( ref($option) eq 'ARRAY') { - $value='value="'.&HTML::Entities::encode($$option[0]).'"'; - $text=$$option[1]; - $option=$$option[0]; - } else { - $text=$option; - $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"'; - } - if ( $selected eq $option ) { - $optionlist.="\n"; - $found=1; - } else { - $optionlist.="\n"; - } + if (ref($list) eq 'ARRAY') { + foreach my $option (@{$list}) { + my ($text,$value); + if (ref($option) eq 'ARRAY') { + $value='value="'.&HTML::Entities::encode($option->[0]).'"'; + $text=$option->[1]; + $option=$option->[0]; + } else { + $text=$option; + $value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"'; + } + if ( $selected eq $option ) { + $optionlist.="\n"; + $found=1; + } else { + $optionlist.="\n"; + } + } } $optionlist.="