version 1.1, 2001/03/22 21:21:29
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version 1.14, 2001/06/26 21:39:55
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Line 6 package Apache::edit;
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Line 6 package Apache::edit;
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use strict; |
use strict; |
use Apache::lonnet; |
use Apache::lonnet; |
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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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$Apache::edit::colordepth=0; |
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sub initialize_edit { |
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$Apache::edit::colordepth=0; |
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} |
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sub tag_start { |
sub tag_start { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$description) = @_; |
my $result=''; |
my $result=''; |
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if ($target eq "edit") { |
$result.="<table border=\"1\"><tr><td><$token->[1]></td> |
my $tag=$token->[1]; |
<td><input type=\"submit\" name=\"delete_$Apache::lonxml::curdepth\" value=\"Delete\" /></td> |
if (!$description) { $description="<$tag>"; } |
<td><input type=\"submit\" name=\"insert_$Apache::lonxml::curdepth\" value=\"Insert\" /></td> |
$result.= &start_table($token)."<tr><td>$description</td> |
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<td>Delete". |
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&deletelist($target,$token) |
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."</td> |
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<td>". |
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&insertlist($target,$token). |
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"</td> |
</tr><tr><td colspan=\"3\">\n"; |
</tr><tr><td colspan=\"3\">\n"; |
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} |
return $result; |
return $result; |
} |
} |
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sub tag_end { |
sub tag_end { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$description) = @_; |
my $result=''; |
my $result=''; |
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if ($target eq 'edit') { |
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my $tag=$token->[1]; |
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if (!defined($description)) { |
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$result.="</td></tr><tr><td></$tag></td><td colspan=\"2\"> </td>"; |
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} else { |
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if ($description ne '') { $result.="</td></tr><tr><td>$description</td><td colspan=\"2\"> </td>"; } |
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} |
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$result.="</tr>".&end_table()."\n"; |
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} |
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return $result; |
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} |
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sub start_table { |
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my ($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 $testtag=$Apache::lonxml::namespace['-1'].'::'.$tag; |
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$tagnum=$Apache::lonxml::insertlist{"$testtag.num"}; |
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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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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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my $result="<table bgcolor=\"$color\" width=\"100%\" border=\"5\">"; |
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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>"; |
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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,$$parser[$#$parser]); |
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$$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 ($token) = @_; |
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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{"$token->[1].which"}) { |
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push (@tagnums, @{ $Apache::lonxml::insertlist{"$token->[1].which"} }); |
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} |
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foreach my $namespace (@Apache::lonxml::namespace) { |
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if ($Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"}) { |
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push (@tagnums, @{ $Apache::lonxml::insertlist{"$namespace".'::'."$token->[1].which"} }); |
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} |
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} |
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if (@tagnums) { |
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foreach my $tagnum (@tagnums) { |
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$result.='<option value="'.$tagnum.'">'.$Apache::lonxml::insertlist{"$tagnum.description"}."</option>\n"; |
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} |
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if ($result) { $result='<option selected="on"></option>'.$result; } |
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} |
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return $result; |
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} |
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sub insertlist { |
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my ($target,$token) = @_; |
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my $result; |
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if ($target eq 'edit') { |
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my $optionlist= &get_insert_list($token); |
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if ($optionlist) { |
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$result = "Insert: |
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<select name=\"insert_$Apache::lonxml::curdepth\"> |
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$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"}) { 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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{ |
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no strict 'refs'; |
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$result.=&$func(); |
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} |
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} |
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return $result; |
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} |
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sub insert_optionresponse { |
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return ' |
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<optionresponse max="10"> |
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<foilgroup options=""> |
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</foilgroup> |
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<hintgroup> |
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</hintgroup> |
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</optionresponse>'; |
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} |
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sub editfield { |
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my ($tag,$data,$description,$minwidth,$minheight)=@_; |
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my $count=0; |
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my $maxlength=-1; |
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map { $count++; |
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if (length($_) > $maxlength) { $maxlength = length ($_); } |
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} split ("\n", $data); |
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if ($maxlength > 80) { $maxlength = 80; } |
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if ($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</$tag><br />\n"; |
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} |
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sub modifiedfield { |
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my ($token) = @_; |
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my $result; |
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# foreach my $envkey (sort keys %ENV) { |
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# &Apache::lonxml::debug("$envkey ---- $ENV{$envkey}"); |
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# } |
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# &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth"); |
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# &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"}); |
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$result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"}; |
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if (defined $token) { |
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if (defined $token->[4]) { |
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$result=$token->[4].$result; |
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} else { |
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$result=$result.$token->[2]; |
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} |
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} |
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return $result; |
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} |
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sub insert_startouttext { |
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return "<startouttext />\n<endouttext />"; |
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} |
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sub insert_script { |
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return "\n<script type=\"loncapa/perl\">\n</script>"; |
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} |
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# Returns a 1 if the toekn has been modified and you should rebuild the tag |
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# side-effects, will modify the $token if new values are found |
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sub get_new_args { |
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my ($token,$parstack,$safeeval,@args)=@_; |
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my $rebuild=0; |
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foreach my $arg (@args) { |
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my $value=&Apache::lonxml::get_param($arg,$parstack,$safeeval); |
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my $newvalue=$ENV{"form.$Apache::lonxml::curdepth.$arg"}; |
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&Apache::lonxml::debug(" for:$arg: cur is :$value: new is :$newvalue:"); |
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if ($value ne $newvalue) { |
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$token->[2]->{$arg}=$newvalue; |
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$rebuild=1; |
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} |
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} |
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return $rebuild; |
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} |
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sub rebuild_tag { |
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my ($token) = @_; |
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my $result; |
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if ($token->[0] eq 'S') { |
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$result = '<'.$token->[1]; |
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while (my ($key,$val)= each(%{$token->[2]})) { |
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&Apache::lonxml::debug("setting :$key: to :$val:"); |
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$result.=' '.$key.'="'.$val.'"'; |
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} |
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$result.=">"; |
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} elsif ( $token->[0] eq 'E' ) { |
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$result = '</'.$token->[1].'>'; |
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} |
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return $result; |
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} |
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sub text_arg { |
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my ($description,$name,$token,$size) = @_; |
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my $result; |
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if (!defined $size) { $size=20; } |
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my $arg=$token->[2]{$name}; |
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$result=$description.'<input name="'."$Apache::lonxml::curdepth.$name". |
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'" type="text" value="'.$arg.'" size="'.$size.'" />'; |
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return $result; |
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} |
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$result.="</td></tr><tr><td></$token->[1]></td></tr></table>\n"; |
sub select_arg { |
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my ($description,$name,$list,$token) = @_; |
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my $result; |
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my $optionlist=""; |
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my $selected=$token->[2]{$name}; |
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foreach my $option (@$list) { |
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if ( $selected eq $option ) { |
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$optionlist.="<option selected=\"on\">$option</option>\n"; |
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} else { |
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$optionlist.="<option>$option</option>\n"; |
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} |
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} |
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$result.=$description.'<select name="'."$Apache::lonxml::curdepth.$name".'"> |
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'.$optionlist.' |
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</select></td></tr><tr><td colspan="3">'; |
return $result; |
return $result; |
} |
} |
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