version 1.4, 2001/05/04 21:22:05
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version 1.99, 2005/12/22 22:06:54
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# edit mode helpers |
# edit mode helpers |
# 3/20 Guy |
# |
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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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# |
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package Apache::edit; |
package Apache::edit; |
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use strict; |
use strict; |
use Apache::lonnet; |
use Apache::lonnet; |
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use HTML::Entities(); |
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use Apache::lonlocal; |
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# Global Vars |
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# default list of colors to use in editing |
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@Apache::edit::colorlist=('#ffffff','#ff0000','#00ff00','#0000ff','#0ff000','#000ff0','#f0000f'); |
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# depth of nesting of edit |
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$Apache::edit::colordepth=0; |
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@Apache::edit::inserttag=(); |
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# image-type responses: active background image and curdepth at definition |
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$Apache::edit::bgimgsrc=''; |
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$Apache::edit::bgimgsrccurdepth=''; |
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sub initialize_edit { |
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$Apache::edit::colordepth=0; |
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@Apache::edit::inserttag=(); |
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} |
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sub tag_start { |
sub tag_start { |
my ($token,$target) = @_; |
my ($target,$token,$description) = @_; |
my $result=''; |
my $result=''; |
if ($target eq "web") { |
if ($target eq "edit") { |
my $tag=$token->[1]; |
my $tag=$token->[1]; |
$result.="<table width=\"100%\" border=\"2\"><tr><td><$tag></td> |
if (!$description) { |
<td>Delete: |
$description=&Apache::lonxml::description($token); |
<select name=\"delete_$Apache::lonxml::curdepth\"> |
if (!$description) { $description="<$tag>"; } |
<option>Nothing</option> |
} |
<option>Tag</option> |
$result.= &start_table($token)."<tr><td>$description</td> |
<option>Subtags</option> |
<td>Delete". |
</select></td> |
&deletelist($target,$token) |
<td>". |
."</td> |
&insertlist($token,$target). |
<td>". |
"</td> |
&insertlist($target,$token); |
</tr><tr><td colspan=\"3\">\n"; |
#<td>". |
} |
# &movebuttons($target,$token). |
return $result; |
# "</tr><tr><td colspan=\"3\">\n"; |
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my @help = Apache::lonxml::helpinfo($token); |
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if ($help[0]) { |
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$result .= '</td><td align="right" valign="top">' . |
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Apache::loncommon::help_open_topic(@help); |
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} else { $result .= "</td><td> "; } |
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$result .= &end_row().&start_spanning_row(); |
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} |
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return $result; |
} |
} |
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sub tag_end { |
sub tag_end { |
my ($token,$target) = @_; |
my ($target,$token,$description) = @_; |
my $result=''; |
my $result=''; |
if ($target eq 'edit') { |
if ($target eq 'edit') { |
my $tag=$token->[1]; |
$result.="</td></tr>".&end_table()."\n"; |
$result.="</td></tr><tr><td></$tag></td></tr></table>\n"; |
} |
} |
return $result; |
return $result; |
} |
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sub start_table { |
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my ($token)=@_; |
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my $tag = $token->[1]; |
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my $tagnum; |
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foreach my $namespace (reverse @Apache::lonxml::namespace) { |
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my $testtag=$namespace.'::'.$tag; |
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$tagnum=$Apache::lonxml::insertlist{"$testtag.num"}; |
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&Apache::lonxml::debug(" $testtag "); |
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if (defined($tagnum)) { last; } |
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} |
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if (!defined ($tagnum)) {$tagnum=$Apache::lonxml::insertlist{"$tag.num"};} |
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my $color = $Apache::lonxml::insertlist{"$tagnum.color"}; |
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&Apache::lonxml::debug(" $tagnum -- $color"); |
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if (!defined($color)) { |
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$color = $Apache::edit::colorlist[$Apache::edit::colordepth]; |
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} |
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$Apache::edit::colordepth++; |
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push(@Apache::edit::inserttag,$token->[1]); |
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my $result='<div align="right">'; |
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$result.='<table bgcolor="'.$color.'" width="97%" border="0" cellspacing="5" cellpadding="3">'; |
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return $result; |
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} |
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sub end_table { |
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$Apache::edit::colordepth--; |
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my $result='</table></div>'; |
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$result.='<div align="left"><table><tr><td>'; |
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my ($tagname,$closingtag); |
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if (defined($Apache::edit::inserttag[-2])) { |
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$tagname=$Apache::edit::inserttag[-2]; |
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} else {$tagname='problem';} |
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if (defined($Apache::edit::inserttag[-1])) { |
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$closingtag=$Apache::edit::inserttag[-1]; |
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} |
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$result.=&innerinsertlist('edit',$tagname,$closingtag). |
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"</td></tr></table></div>"; |
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pop(@Apache::edit::inserttag); |
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return $result; |
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} |
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sub start_spanning_row { return '<tr><td colspan="4" bgcolor="#DDDDDD">';} |
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sub start_row { return '<tr><td bgcolor="#DDDDDD">'; } |
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sub end_row { return '</td></tr>'; } |
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sub movebuttons { |
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my ($target,$token) = @_; |
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my $result='<input type="submit" name="moveup.'. |
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$Apache::lonxml::curdepth.'" value="Move Up" />'; |
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$result.='<input type="submit" name="movedown.'. |
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$Apache::lonxml::curdepth.'" value="Move Down" />'; |
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return $result; |
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} |
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sub deletelist { |
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my ($target,$token) = @_; |
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my $result = "<select name=\"delete_$Apache::lonxml::curdepth\"> |
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<option></option> |
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<option>Yes</option> |
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</select>"; |
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return $result; |
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} |
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sub handle_delete { |
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if (!$env{"form.delete_$Apache::lonxml::curdepth"}) { return ''; } |
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my ($space,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=0; |
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if ($space) { |
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my $sub1="$space\:\:delete_$token->[1]"; |
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{ |
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no strict 'refs'; |
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if (defined &$sub1) { |
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$result=&$sub1($target,$token,$tagstack,$parstack,$parser,$safeeval,$style); |
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} |
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} |
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} |
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if (!$result) { |
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my $endtag='/'.$token->[1]; |
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my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser,$style); |
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$$parser['-1']->get_token(); |
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&Apache::lonxml::debug("Deleting :$bodytext: for $token->[1]"); |
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&Apache::lonxml::end_tag($tagstack,$parstack,$token); |
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} |
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return 1; |
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} |
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sub get_insert_list { |
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my ($tagname) = @_; |
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my $result=''; |
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my @tagnums= (); |
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#&Apache::lonxml::debug("keys ".join("\n",sort(keys(%Apache::lonxml::insertlist)))); |
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if ($Apache::lonxml::insertlist{"$tagname.which"}) { |
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push (@tagnums, @{ $Apache::lonxml::insertlist{"$tagname.which"} }); |
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} |
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foreach my $namespace (@Apache::lonxml::namespace) { |
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if ($Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"}) { |
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push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$tagname.which"} }); |
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} |
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} |
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if (@tagnums) { |
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my %options; |
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foreach my $tagnum (@tagnums) { |
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my $descrip=$Apache::lonxml::insertlist{"$tagnum.description"}; |
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$options{$descrip} ="<option value=\"$tagnum\">". |
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$descrip."</option>\n"; |
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} |
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foreach my $option (sort(keys(%options))) {$result.=$options{$option};} |
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if ($result) { $result='<option selected="selected"></option>'.$result; } |
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} |
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return $result; |
} |
} |
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sub insertlist { |
sub insertlist { |
my ($token,$target) = @_; |
my ($target,$token) = @_; |
my $result; |
return &innerinsertlist($target,$token->[1]); |
if ($target eq 'edit') { |
} |
$result = "Insert: |
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<select name=\"insert_$Apache::lonxml::curdepth\"> |
sub innerinsertlist { |
<option>Nothing</option> |
my ($target,$tagname,$closingtag) = @_; |
<option>Text Block</option> |
my $result; |
<option>Script Block</option> |
my $after=''; |
</select>" |
if ($closingtag) { |
} |
$after='_after_'.$closingtag; |
return $result; |
} |
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if ($target eq 'edit') { |
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my $optionlist= &get_insert_list($tagname); |
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if ($optionlist) { |
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$result = "Insert: |
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<select name=\"insert$after\_$Apache::lonxml::curdepth\"> |
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$optionlist |
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</select>" |
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} else { |
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$result=" "; |
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} |
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} |
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return $result; |
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} |
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sub handle_insert { |
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if ($env{"form.insert_$Apache::lonxml::curdepth"} eq '') { return ''; } |
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my $result; |
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my $tagnum = $env{"form.insert_$Apache::lonxml::curdepth"}; |
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my $func=$Apache::lonxml::insertlist{"$tagnum.function"}; |
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if ($func eq 'default') { |
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my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"}; |
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my $namespace; |
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if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); } |
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$result.="\n<$newtag>\n</$newtag>"; |
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} else { |
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if (defined(&$func)) { |
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{ |
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no strict 'refs'; |
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$result.=&$func(); |
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} |
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} else { |
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my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"}; |
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&Apache::lonxml::error("Unable to insert tag ".$Apache::lonxml::curdepth." ($tagnum) $newtag, func was not defined."); |
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} |
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} |
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return $result; |
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} |
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sub handle_insertafter { |
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my $tagname=shift; |
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if ($env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"} eq '') |
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{ return ''; } |
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my $result; |
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my $tagnum =$env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"}; |
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my $func=$Apache::lonxml::insertlist{"$tagnum.function"}; |
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if ($func eq 'default') { |
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my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"}; |
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my $namespace; |
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if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); } |
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$result.="\n<$newtag>\n</$newtag>"; |
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} else { |
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if (defined(&$func)) { |
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{ |
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no strict 'refs'; |
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$result.=&$func(); |
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} |
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} else { |
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my $newtag=$Apache::lonxml::insertlist{"$tagnum.tag"}; |
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&Apache::lonxml::error("Unable to insert (after) tag $newtag, $func was not defined. ($tagname $tagnum)"); |
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} |
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} |
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return $result; |
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} |
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sub insert_img { |
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return ' |
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<img />'; |
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} |
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sub insert_responseparam { |
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return ' |
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<responseparam />'; |
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} |
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sub insert_parameter { |
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return ' |
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<parameter />'; |
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} |
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sub insert_formularesponse { |
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return ' |
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<formularesponse answer="" samples=""> |
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<responseparam description="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" /> |
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<textline size="25"/> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</formularesponse>'; |
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} |
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sub insert_numericalresponse { |
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return ' |
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<numericalresponse answer=""> |
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<responseparam type="tolerance" default="5%" name="tol" description="Numerical Tolerance" /> |
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<responseparam name="sig" type="int_range,0-16" default="0,15" description="Significant Figures" /> |
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<textline /> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</numericalresponse>'; |
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} |
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sub insert_customresponse { |
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return ' |
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<customresponse> |
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<answer type="loncapa/perl"> |
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</answer> |
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<textline /> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</customresponse>'; |
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} |
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sub insert_customresponse_answer { |
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return ' |
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<answer type="loncapa/perl"> |
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</answer> |
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'; |
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} |
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sub insert_stringresponse { |
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return ' |
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<stringresponse answer="" type=""> |
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<textline /> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</stringresponse>'; |
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} |
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sub insert_essayresponse { |
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return ' |
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<essayresponse> |
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<textfield></textfield> |
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</essayresponse>'; |
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} |
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sub insert_imageresponse { |
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return ' |
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<imageresponse max="1"> |
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<foilgroup> |
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<foil> |
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</foil> |
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</foilgroup> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</imageresponse>'; |
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} |
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sub insert_optionresponse { |
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return ' |
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<optionresponse max="10"> |
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<foilgroup options=""> |
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<foil> |
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<startouttext /><endouttext /> |
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</foil> |
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</foilgroup> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</optionresponse>'; |
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} |
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sub insert_organicresponse { |
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return ' |
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<organicresponse> |
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<textline /> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</organicresponse>'; |
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} |
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sub insert_organicstructure { |
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return ' |
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<organicstructure /> |
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'; |
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} |
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sub insert_radiobuttonresponse { |
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return ' |
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<radiobuttonresponse max="10"> |
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<foilgroup> |
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<foil> |
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<startouttext /><endouttext /> |
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</foil> |
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</foilgroup> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</radiobuttonresponse>'; |
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} |
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sub insert_reactionresponse { |
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return ' |
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<reactionresponse> |
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<textline /> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</reactionresponse>'; |
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} |
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sub insert_rankresponse { |
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return ' |
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<rankresponse max="10"> |
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<foilgroup options=""> |
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<foil> |
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<startouttext /><endouttext /> |
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</foil> |
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</foilgroup> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</rankresponse>'; |
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} |
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sub insert_matchresponse { |
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return ' |
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<matchresponse max="10"> |
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<foilgroup options=""> |
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<itemgroup> |
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</itemgroup> |
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<foil> |
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<startouttext /><endouttext /> |
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</foil> |
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</foilgroup> |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup> |
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</matchresponse>'; |
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} |
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sub insert_displayduedate { return '<displayduedate />'; } |
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sub insert_displaytitle { return '<displaytitle />'; } |
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sub insert_hintpart { |
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return ' |
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<hintpart on="default"> |
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<startouttext/><endouttext /> |
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</hintpart>'; |
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} |
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sub insert_hintgroup { |
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return ' |
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<hintgroup> |
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<startouttext /><endouttext /> |
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</hintgroup>'; |
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} |
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sub insert_numericalhint { |
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return ' |
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<numericalhint> |
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</numericalhint>'; |
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} |
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sub insert_stringhint { |
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return ' |
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<stringhint> |
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</stringhint>'; |
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} |
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sub insert_formulahint { |
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return ' |
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<formulahint> |
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</formulahint>'; |
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} |
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sub insert_radiobuttonhint { |
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return ' |
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<radiobuttonhint> |
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</radiobuttonhint>'; |
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} |
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sub insert_optionhint { |
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return ' |
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<optionhint> |
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</optionhint>'; |
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} |
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sub insert_startouttext { |
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return "<startouttext /><endouttext />"; |
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} |
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sub insert_script { |
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return "\n<script type=\"loncapa/perl\"></script>"; |
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} |
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sub js_change_detection { |
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my $unsaved=&mt("There are unsaved changes"); |
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return (<<SCRIPT); |
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<script type="text/javascript"> |
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var clean = true; |
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var is_submit = false; |
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var still_ask = false; |
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function compareForm(event_) { |
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if (!event_ && window.event) { |
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event_ = window.event; |
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} |
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if ((!is_submit || (is_submit && still_ask)) && !clean) { |
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still_ask = false; |
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is_submit = false; |
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event_.returnValue = "$unsaved"; |
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return "$unsaved"; |
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} |
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} |
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function unClean() { |
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clean=false; |
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} |
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window.onbeforeunload = compareForm; |
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</script> |
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SCRIPT |
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} |
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sub form_change_detection { |
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return ' onsubmit="is_submit=true;" '; |
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} |
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sub element_change_detection { |
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return ' onchange="unClean();" '; |
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} |
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sub submit_ask_anyway { |
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return ' onclick="still_ask=true;" '; |
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} |
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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)) { |
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$count+=int(length($_)/79); |
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$count++; |
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if (length($_) > $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,$cols); |
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} |
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sub editline { |
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my ($tag,$data,$description,$size)=@_; |
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$data=&HTML::Entities::encode($data,'<>&"'); |
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if ($description) { $description="<br />".$description."<br />"; } |
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my $change_code = &element_change_detection(); |
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my $result = <<"END"; |
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$description |
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<input type="text" name="homework_edit_$Apache::lonxml::curdepth" |
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value="$data" size="$size" $change_code /> |
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END |
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return $result; |
} |
} |
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sub editfield { |
sub editfield { |
my ($tag,$data,$description)=@_; |
my ($tag,$data,$description,$minwidth,$minheight,$usehtmlarea)=@_; |
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my $count=0; |
my ($rows,$cols)=&textarea_sizes(\$data); |
my $maxlength=-1; |
if (&Apache::lonhtmlcommon::htmlareabrowser() && |
map { $count++; |
!&Apache::lonhtmlcommon::htmlareablocked()) { |
if (length($_) > $maxlength) { $maxlength = length ($_); } |
$rows+=7; # make room for HTMLarea |
} split ("\n", $data); |
$minheight+=7; # make room for HTMLarea |
if ($maxlength > 80) { $maxlength = 80; } |
} |
if ($description) { |
if ($cols > 80) { $cols = 80; } |
$description="<br />".$description; |
if ($cols < $minwidth ) { $cols = $minwidth; } |
} |
if ($rows < $minheight) { $rows = $minheight; } |
return "$description<br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n"; |
if ($description) { $description="<br />".$description."<br />"; } |
# return "<br />\n<$tag><br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n</$tag><br />\n"; |
if ($usehtmlarea) { |
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push @Apache::lonxml::htmlareafields,'homework_edit_'. |
|
$Apache::lonxml::curdepth; |
|
} |
|
return $description."\n".' <textarea style="width:100%" rows="'.$rows. |
|
'" cols="'.$cols.'" name="homework_edit_'. |
|
$Apache::lonxml::curdepth.'" id="homework_edit_'. |
|
$Apache::lonxml::curdepth.'" '.&element_change_detection().'>'. |
|
&HTML::Entities::encode($data,'<>&"').'</textarea>'. |
|
($usehtmlarea?&Apache::lonhtmlcommon::spelllink('lonhomework', |
|
'homework_edit_'.$Apache::lonxml::curdepth):'')."\n"; |
} |
} |
|
|
sub modifiedfield { |
sub modifiedfield { |
my ($token) = @_; |
my ($endtag,$parser) = @_; |
my $result; |
my $result; |
# foreach my $envkey (sort keys %ENV) { |
# foreach my $envkey (sort keys %env) { |
# &Apache::lonxml::debug("$envkey ---- $ENV{$envkey}"); |
# &Apache::lonxml::debug("$envkey ---- $env{$envkey}"); |
# } |
# } |
# &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth"); |
# &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth"); |
# &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"}); |
# &Apache::lonxml::debug($env{"form.homework_edit_$Apache::lonxml::curdepth"}); |
$result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"}; |
$result=$env{"form.homework_edit_$Apache::lonxml::curdepth"}; |
if (defined $token) { |
my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser); |
if (defined $token->[4]) { |
# textareas throw away intial \n |
$result=$token->[4].$result; |
if ($bodytext=~/^\n/) { $result="\n".$result; } |
} else { |
return $result; |
$result=$result.$token->[2]; |
} |
|
|
|
# Returns a 1 if the token has been modified and you should rebuild the tag |
|
# side-effects, will modify the $token if new values are found |
|
sub get_new_args { |
|
my ($token,$parstack,$safeeval,@args)=@_; |
|
my $rebuild=0; |
|
foreach my $arg (@args) { |
|
#just want the string that it was set to |
|
my $value=$token->[2]->{$arg}; |
|
my $element=&html_element_name($arg); |
|
my $newvalue=$env{"form.$element"}; |
|
&Apache::lonxml::debug("for:$arg: cur is :$value: new is :$newvalue:"); |
|
if (defined($newvalue) && $value ne $newvalue) { |
|
if (ref($newvalue) eq 'ARRAY') { |
|
$token->[2]->{$arg}=join(',',@$newvalue); |
|
} else { |
|
$token->[2]->{$arg}=$newvalue; |
|
} |
|
$rebuild=1; |
|
} elsif (!defined($newvalue) && defined($value)) { |
|
delete($token->[2]->{$arg}); |
|
$rebuild=1; |
|
} |
|
} |
|
return $rebuild; |
|
} |
|
|
|
# looks for /> on start tags |
|
sub rebuild_tag { |
|
my ($token) = @_; |
|
my $result; |
|
if ($token->[0] eq 'S') { |
|
$result = '<'.$token->[1]; |
|
while (my ($key,$val)= each(%{$token->[2]})) { |
|
$val=~s:^\s+|\s+$::g; |
|
$val=~s:"::g; #" |
|
&Apache::lonxml::debug("setting :$key: to :$val:"); |
|
$result.=' '.$key.'="'.$val.'"'; |
|
} |
|
if ($token->[4] =~ m:/>$:) { |
|
$result.=' />'; |
|
} else { |
|
$result.='>'; |
|
} |
|
} elsif ( $token->[0] eq 'E' ) { |
|
$result = '</'.$token->[1].'>'; |
|
} |
|
return $result; |
|
} |
|
|
|
sub html_element_name { |
|
my ($name) = @_; |
|
return $name.'_'.$Apache::lonxml::curdepth; |
|
} |
|
|
|
sub hidden_arg { |
|
my ($name,$token) = @_; |
|
my $result; |
|
my $arg=$token->[2]{$name}; |
|
$result='<input name="'.&html_element_name($name). |
|
'" type="hidden" value="'.$arg.'" />'; |
|
return $result; |
|
} |
|
|
|
sub checked_arg { |
|
my ($description,$name,$list,$token) = @_; |
|
my $result; |
|
my $optionlist=""; |
|
my $allselected=$token->[2]{$name}; |
|
$result=&mt($description); |
|
foreach my $option (@$list) { |
|
my ($value,$text); |
|
if ( ref($option) eq 'ARRAY') { |
|
$value='value="'.$$option[0].'"'; |
|
$text=$$option[1]; |
|
$option=$$option[0]; |
|
} else { |
|
$text=$option; |
|
$value='value="'.$option.'"'; |
|
} |
|
$result.="<nobr><input type='checkbox' $value name='". |
|
&html_element_name($name)."'"; |
|
foreach my $selected (split(/,/,$allselected)) { |
|
if ( $selected eq $option ) { |
|
$result.=" checked='checked' "; |
|
last; |
|
} |
|
} |
|
$result.=&element_change_detection()." />$text</nobr>\n"; |
|
} |
|
return $result; |
|
} |
|
|
|
sub text_arg { |
|
my ($description,$name,$token,$size) = @_; |
|
my $result; |
|
if (!defined $size) { $size=20; } |
|
my $arg=$token->[2]{$name}; |
|
$result=&mt($description).' <input name="'.&html_element_name($name). |
|
'" type="text" value="'.$arg.'" size="'.$size.'" '. |
|
&element_change_detection().'/>'; |
|
return '<nobr>'.$result.'</nobr>'; |
|
} |
|
|
|
sub select_arg { |
|
my ($description,$name,$list,$token) = @_; |
|
my $result; |
|
my $optionlist=""; |
|
my $selected=$token->[2]{$name}; |
|
foreach my $option (@$list) { |
|
my ($text,$value); |
|
if ( ref($option) eq 'ARRAY') { |
|
$value='value="'.&HTML::Entities::encode($$option[0]).'"'; |
|
$text=$$option[1]; |
|
$option=$$option[0]; |
|
} else { |
|
$text=$option; |
|
$value='value="'.&HTML::Entities::encode($option,'\'"&<>').'"'; |
|
} |
|
if ( $selected eq $option ) { |
|
$optionlist.="<option $value selected=\"selected\">$text</option>\n"; |
|
} else { |
|
$optionlist.="<option $value >$text</option>\n"; |
|
} |
|
} |
|
$result.='<nobr>'.$description.' <select name="'. |
|
&html_element_name($name).'" '.&element_change_detection().' > |
|
'.$optionlist.' |
|
</select></nobr>'; |
|
return $result; |
|
} |
|
|
|
sub select_or_text_arg { |
|
my ($description,$name,$list,$token,$size) = @_; |
|
my $result; |
|
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.="<option $value selected=\"selected\">$text</option>\n"; |
|
$found=1; |
|
} else { |
|
$optionlist.="<option $value>$text</option>\n"; |
|
} |
|
} |
|
$optionlist.="<option value=\"TYPEDINVALUE\"". |
|
((!$found)?' selected="selected"':''). |
|
">".&mt('Type-in value')."</option>\n"; |
|
# |
|
my $change_code=&element_change_detection(); |
|
my $element=&html_element_name($name); |
|
my $selectelement='select_list_'.$element; |
|
my $typeinelement='type_in_'.$element; |
|
my $typeinvalue=($found?'':$selected); |
|
# |
|
my $hiddenvalue='this.form.'.$element.'.value'; |
|
my $selectedindex='this.form.'.$selectelement.'.selectedIndex'; |
|
my $selectedvalue='this.form.'.$selectelement. |
|
'.options['.$selectedindex.'].value'; |
|
my $typedinvalue='this.form.'.$typeinelement.'.value'; |
|
my $selecttypeinindex='this.form.'.$selectelement.'.options.length'; |
|
$description=&mt($description); |
|
# |
|
return (<<ENDSELECTORTYPE); |
|
<nobr> |
|
$description |
|
<select name="$selectelement" |
|
onChange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }" > |
|
$optionlist |
|
</select> |
|
<input type="text" size="$size" name="$typeinelement" |
|
value="$typeinvalue" |
|
onChange="$hiddenvalue=$typedinvalue;" |
|
onFocus="$selectedindex=$selecttypeinindex-1;" /> |
|
<input type="hidden" name="$element" value="$selected" $change_code /> |
|
</nobr> |
|
ENDSELECTORTYPE |
|
} |
|
|
|
#----------------------------------------------------- image coordinates |
|
# single image coordinates, x, y |
|
sub entercoords { |
|
my ($idx,$idy,$mode,$width,$height) = @_; |
|
unless ($Apache::edit::bgimgsrc) { return ''; } |
|
if ($idx) { $idx.='_'; } |
|
if ($idy) { $idy.='_'; } |
|
my $bgfile=&Apache::lonnet::escape(&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$Apache::edit::bgimgsrc)); |
|
my $form = 'lonhomework'; |
|
my $element; |
|
if (! defined($mode) || $mode eq 'attribute') { |
|
$element = &Apache::lonnet::escape("$Apache::lonxml::curdepth"); |
|
} elsif ($mode eq 'textnode') { # for data between <tag> ... </tag> |
|
$element = &Apache::lonnet::escape('homework_edit_'. |
|
$Apache::lonxml::curdepth); |
|
} |
|
my $id=$Apache::lonxml::curdepth; |
|
my %data=("imagechoice.$id.type" =>'point', |
|
"imagechoice.$id.formname" =>$form, |
|
"imagechoice.$id.formx" =>"$idx$element", |
|
"imagechoice.$id.formy" =>"$idy$element", |
|
"imagechoice.$id.file" =>$bgfile, |
|
"imagechoice.$id.formcoord" =>$element); |
|
if ($height) { |
|
$data{"imagechoice.$id.formheight"}=$height.'_'. |
|
$Apache::edit::bgimgsrccurdepth; |
|
} |
|
if ($width) { |
|
$data{"imagechoice.$id.formwidth"}=$width.'_'. |
|
$Apache::edit::bgimgsrccurdepth; |
|
} |
|
&Apache::lonnet::appenv(%data); |
|
my $text="Click Coordinates"; |
|
my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>'; |
|
return $result; |
|
} |
|
|
|
# coordinates (x1,y1)-(x2,y2)... |
|
# mode can be either box, or polygon |
|
sub entercoord { |
|
my ($idx,$mode,$width,$height,$type) = @_; |
|
unless ($Apache::edit::bgimgsrc) { return ''; } |
|
my $bgfile=&Apache::lonnet::escape(&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$Apache::edit::bgimgsrc)); |
|
my $form = 'lonhomework'; |
|
my $element; |
|
if (! defined($mode) || $mode eq 'attribute') { |
|
$element = &Apache::lonnet::escape("$idx\_$Apache::lonxml::curdepth"); |
|
} elsif ($mode eq 'textnode') { # for data between <tag> ... </tag> |
|
$element = &Apache::lonnet::escape('homework_edit_'. |
|
$Apache::lonxml::curdepth); |
|
} |
|
my $id=$Apache::lonxml::curdepth; |
|
my %data=("imagechoice.$id.type" =>$type, |
|
"imagechoice.$id.formname" =>$form, |
|
"imagechoice.$id.file" =>$bgfile, |
|
"imagechoice.$id.formcoord" =>$element); |
|
if ($height) { |
|
$data{"imagechoice.$id.formheight"}=$height.'_'. |
|
$Apache::edit::bgimgsrccurdepth; |
|
} |
|
if ($width) { |
|
$data{"imagechoice.$id.formwidth"}=$width.'_'. |
|
$Apache::edit::bgimgsrccurdepth; |
|
} |
|
&Apache::lonnet::appenv(%data); |
|
my $text="Enter Coordinates"; |
|
if ($type eq 'polygon') { $text='Create Polygon Data'; } |
|
my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>'; |
|
return $result; |
|
} |
|
|
|
sub deletecoorddata { |
|
&Apache::lonnet::delenv("imagechoice\\."); |
|
} |
|
|
|
#----------------------------------------------------- browse |
|
sub browse { |
|
# insert a link to call up the filesystem browser (lonindexer) |
|
my ($id, $mode, $titleid) = @_; |
|
my $form = 'lonhomework'; |
|
my $element; |
|
if (! defined($mode) || $mode eq 'attribute') { |
|
$element = &Apache::lonnet::escape("$id\_$Apache::lonxml::curdepth"); |
|
} elsif ($mode eq 'textnode') { # for data between <tag> ... </tag> |
|
$element = &Apache::lonnet::escape('homework_edit_'. |
|
$Apache::lonxml::curdepth); |
|
} |
|
my $titleelement; |
|
if ($titleid) { |
|
$titleelement=",'','','".&Apache::lonnet::escape("$titleid\_$Apache::lonxml::curdepth")."'"; |
|
} |
|
my $result = <<"ENDBUTTON"; |
|
<a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a> |
|
ENDBUTTON |
|
return $result; |
|
} |
|
|
|
#----------------------------------------------------- browse |
|
sub search { |
|
# insert a link to call up the filesystem browser (lonindexer) |
|
my ($id, $mode, $titleid) = @_; |
|
my $form = 'lonhomework'; |
|
my $element; |
|
if (! defined($mode) || $mode eq 'attribute') { |
|
$element = &Apache::lonnet::escape("$id\_$Apache::lonxml::curdepth"); |
|
} elsif ($mode eq 'textnode') { # for data between <tag> ... </tag> |
|
$element = &Apache::lonnet::escape('homework_edit_'. |
|
$Apache::lonxml::curdepth); |
} |
} |
} |
my $titleelement; |
return $result; |
if ($titleid) { |
|
$titleelement=",'".&Apache::lonnet::escape("$titleid\_$Apache::lonxml::curdepth")."'"; |
|
} |
|
my $result = <<"ENDBUTTON"; |
|
<a href=\"javascript:opensearcher('$form','$element'$titleelement)\"\>Search</a> |
|
ENDBUTTON |
|
return $result; |
} |
} |
|
|
|
|
1; |
1; |
__END__ |
__END__ |
|
|
|
=head1 NAME |
|
|
|
Apache::edit - edit mode helpers |
|
|
|
=head1 SYNOPSIS |
|
|
|
Invoked by many homework and xml related modules. |
|
|
|
&Apache::edit::SUBROUTINENAME(ARGUMENTS); |
|
|
|
=head1 INTRODUCTION |
|
|
|
This module outputs HTML syntax helpful for the rendering of edit |
|
mode interfaces. |
|
|
|
This is part of the LearningOnline Network with CAPA project |
|
described at http://www.lon-capa.org. |
|
|
|
=head1 HANDLER SUBROUTINE |
|
|
|
There is no handler subroutine. |
|
|
|
=head1 OTHER SUBROUTINES |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
initialize_edit() : initialize edit (set colordepth to zero) |
|
|
|
=item * |
|
|
|
tag_start($target,$token,$description) : provide deletion and insertion lists |
|
for the manipulation of a start tag; return a scalar string |
|
|
|
=item * |
|
|
|
tag_end($target,$token,$description) : ending syntax corresponding to |
|
&tag_start. return a scalar string. |
|
|
|
=item * |
|
|
|
start_table($token) : start table; update colordepth; return scalar string. |
|
|
|
=item * |
|
|
|
end_table() : reduce color depth; end table; return scalar string |
|
|
|
=item * |
|
|
|
start_spanning_row() : start a new table row spanning the 'edit' environment. |
|
|
|
=item * |
|
|
|
start_row() : start a new table row and element. |
|
|
|
=item * |
|
|
|
end_row() : end current table element and row. |
|
|
|
=item * |
|
|
|
movebuttons($target,$token) : move-up and move-down buttons; return scalar |
|
string |
|
|
|
=item * |
|
|
|
deletelist($target,$token) : provide a yes option in an HTML select element; |
|
return scalar string |
|
|
|
=item * |
|
|
|
handle_delete($space,$target,$token,$tagstack,$parstack,$parser,$safeeval, |
|
$style) : respond to a user delete request by passing relevant stack |
|
and array information to various rendering functions; return a scalar string |
|
|
|
=item * |
|
|
|
get_insert_list($token) : provide an insertion list based on possibilities |
|
from lonxml; return a scalar string |
|
|
|
=item * |
|
|
|
insertlist($target,$token) : api that uses get_insert_list; |
|
return a scalar string |
|
|
|
=item * |
|
|
|
handleinsert($token) : provide an insertion list based on possibilities |
|
from lonxml; return a scalar string |
|
|
|
=item * |
|
|
|
get_insert_list($token) : 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 $elementname. |
|
|
|
=item * |
|
search($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. |
|
|
|
=item * |
|
editline(tag,data,description,size): Provide a <input type="text" ../> for |
|
single-line text entry. This is to be used for text enclosed by tags, not |
|
arguements/parameters associated with a tag. |
|
|
|
=back |
|
|
|
incomplete... |
|
|
|
=cut |