version 1.24, 2001/11/08 20:42:32
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version 1.26, 2001/12/21 16:58:25
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# edit mode helpers |
# edit mode helpers |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# 3/20 Guy |
# 3/20 Guy |
package Apache::edit; |
package Apache::edit; |
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Line 260 sub insert_script {
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Line 285 sub insert_script {
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return "\n<script type=\"loncapa/perl\">\n</script>"; |
return "\n<script type=\"loncapa/perl\">\n</script>"; |
} |
} |
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sub textarea_sizes { |
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my ($data)=@_; |
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my $count=0; |
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my $maxlength=-1; |
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foreach (split ("\n", $$data)) { $count++; |
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if (length($_) > $maxlength) { $maxlength = length($_); } |
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} |
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my $rows = $count; |
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my $cols = $maxlength; |
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return ($rows,$cols); |
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} |
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sub editfield { |
sub editfield { |
my ($tag,$data,$description,$minwidth,$minheight)=@_; |
my ($tag,$data,$description,$minwidth,$minheight)=@_; |
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my $count=0; |
my ($rows,$cols)=&textarea_sizes(\$data); |
my $maxlength=-1; |
if ($cols > 80) { $cols = 80; } |
map { $count++; |
if ($cols < $minwidth ) { $cols = $minwidth; } |
if (length($_) > $maxlength) { $maxlength = length ($_); } |
if ($rows < $minheight) { $rows = $minheight; } |
} split ("\n", $data); |
if ($description) { $description="<br />".$description."<br />"; } |
if ($maxlength > 80) { $maxlength = 80; } |
return "$description\n <textarea rows=\"$rows\" cols=\"$cols\" name=\"homework_edit_".$Apache::lonxml::curdepth."\">$data</textarea>\n"; |
if ($maxlength < $minwidth) { $maxlength = $minwidth; } |
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if ( $count < $minheight) { $count = $minheight; } |
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if ($description) { |
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$description="<br />".$description."<br />"; |
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} |
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return "$description\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n"; |
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# return "<br />\n<$tag><br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n</$tag><br />\n"; |
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} |
} |
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sub modifiedfield { |
sub modifiedfield { |
Line 392 sub select_or_text_arg {
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Line 422 sub select_or_text_arg {
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} |
} |
1; |
1; |
__END__ |
__END__ |
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=head1 NAME |
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Apache::edit - edit mode helpers |
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=head1 SYNOPSIS |
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Invoked by many homework and xml related modules. |
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&Apache::edit::SUBROUTINENAME(ARGUMENTS); |
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=head1 INTRODUCTION |
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This module outputs HTML syntax helpful for the rendering of edit |
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mode interfaces. |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 HANDLER SUBROUTINE |
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There is no handler subroutine. |
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=head1 OTHER SUBROUTINES |
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=over 4 |
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=item * |
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initialize_edit() : initialize edit (set colordepth to zero) |
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=item * |
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tag_start($target,$token,$description) : provide deletion and insertion lists |
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for the manipulation of a start tag; return a scalar string |
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=item * |
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tag_end($target,$token,$description) : ending syntax corresponding to |
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&tag_start. return a scalar string. |
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=item * |
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start_table($token) : start table; update colordepth; return scalar string. |
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=item * |
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end_table() : reduce color depth; end table; return scalar string |
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=item * |
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movebuttons($target,$token) : move-up and move-down buttons; return scalar |
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string |
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=item * |
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deletelist($target,$token) : provide a yes option in an HTML select element; |
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return scalar string |
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=item * |
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handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval, |
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$style) : respond to a user delete request by passing relevant stack |
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and array information to various rendering functions; return a scalar string |
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=item * |
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get_insert_list($token) : provide an insertion list based on possibilities |
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from lonxml; return a scalar string |
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=item * |
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insertlist($target,$token) : api that uses get_insert_list; |
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return a scalar string |
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=item * |
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handleinsert($token) : provide an insertion list based on possibilities |
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from lonxml; return a scalar string |
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=item * |
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get_insert_list($token) : provide an insertion list based on possibilities |
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from lonxml; return a scalar string |
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=back |
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incomplete... |
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=cut |