loncom/homework/randomlabel.pm - diff

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Diff for /loncom/homework/randomlabel.pm between versions 1.4 and 1.11

version 1.4, 2001/10/13 05:57:43	version 1.11, 2002/01/21 16:40:57
Line 1	Line 1
# The LearningOnline Network with CAPA	# The LearningOnline Network with CAPA
# random labelling tool	# random labelling tool
	#
	# $Id$
	#
	# Copyright Michigan State University Board of Trustees
	#
	# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
	#
	# LON-CAPA is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 2 of the License, or
	# (at your option) any later version.
	#
	# LON-CAPA is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with LON-CAPA; if not, write to the Free Software
	# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	#
	# /home/httpd/html/adm/gpl.txt
	#
	# http://www.lon-capa.org/
	#
# 7/20/2001 Isaac Tsai, initial syntax	# 7/20/2001 Isaac Tsai, initial syntax
# 8/10/2001 Isaac Tsai,	# 8/10/2001 Isaac Tsai,
# 8/30/2001 Isaac Tsai,	# 8/30/2001 Isaac Tsai,
Line 33	Line 58
# ===========================================	# ===========================================
package Apache::randomlabel;	package Apache::randomlabel;
use strict;	use strict;
	use Apache::edit;

sub BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));	&Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));
}	}

sub start_randomlabel {	sub start_randomlabel {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';	my $result='';
	$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
	'/res/adm/includes/GLabel.class';

my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);	my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);

	if ( $bgimg !~ /^http:/ ) {
	$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$bgimg;
	$bgimg=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$bgimg);
	if ($bgimg =~ /$Apache::lonnet::perlvar{'lonDocRoot'}/) {
	$bgimg=~s/$Apache::lonnet::perlvar{'lonDocRoot'}//;
	} elsif ($bgimg =~ m:^/home/.*/public_html:) {
	$bgimg =~ s:^/home/(.*)/public_html:/~$1:;
	}
	$bgimg="http://".$ENV{'SERVER_NAME'}.$bgimg;
	}
my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);	my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);
my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);	my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);
my $w= &Apache::lonxml::get_param('width',$parstack,$safeeval);	my $w= &Apache::lonxml::get_param('width',$parstack,$safeeval);
Line 64 sub start_randomlabel {	Line 104 sub start_randomlabel {
&Apache::edit::text_arg('Width(pixel):','width',$token,4).	&Apache::edit::text_arg('Width(pixel):','width',$token,4).
&Apache::edit::text_arg('Height(pixel):','height',$token,4).	&Apache::edit::text_arg('Height(pixel):','height',$token,4).
&Apache::edit::text_arg('TeXWidth(mm):','texwidth',$token,4).	&Apache::edit::text_arg('TeXWidth(mm):','texwidth',$token,4).
'</td></tr><tr><td colspan="3">';	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,	my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
'bgimg','width','height',	'bgimg','width','height',
Line 103 sub start_labelgroup {	Line 143 sub start_labelgroup {
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);	my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
$type =~tr/A-Z/a-z/;	$type =~tr/A-Z/a-z/;
if ($target eq 'web' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'tex' \|\|
	$target eq 'grade' \|\| $target eq 'answer') {
$Apache::randomlabel::groupname=$name;	$Apache::randomlabel::groupname=$name;
$Apache::randomlabel::type=$type;	$Apache::randomlabel::type=$type;
@Apache::randomlabel::xcoord = ();	@Apache::randomlabel::xcoord = ();
@Apache::randomlabel::ycoord = ();	@Apache::randomlabel::ycoord = ();
	@Apache::randomlabel::value = ();
@Apache::randomlabel::label_arr = ();	@Apache::randomlabel::label_arr = ();
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Name:','name',$token).	$result.=&Apache::edit::text_arg('Name:','name',$token).
&Apache::edit::select_arg('Type:','type',['text','image'],$token).	&Apache::edit::select_arg('Type:','type',['text','image'],$token).
'</td></tr><tr><td colspan="3">';	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,	my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
'name','type');	'name','type');
Line 125 sub start_labelgroup {	Line 167 sub start_labelgroup {
return $result;	return $result;
}	}

sub add_var {	sub add_vars {
my ($name,$value,$type,$safeeval) = @_;	my ($name,$order,$label,$labelorder,$value,$safeeval) = @_;
if ($type eq 'array') {	my $code = '${'.$name."}{'".($order+1)."'}='".$label."';";
my $code = 'push(@'.$name.',\''.$value.'\');';	my $out=Apache::run::run($code,$safeeval);
my $out=Apache::run::run($code,$safeeval);	if ($value) {
} else {	$code = '${'.$name."}{'value_".($order+1)."'}='".$value."';";
&Apache::lonxml::error('Unsupported add_var type :'.$type.':');	$out=Apache::run::run($code,$safeeval);
	$code = '${'.$name."}{'labelvalue_".($labelorder+1)."'}='".$value."';";
	$out=Apache::run::run($code,$safeeval);
}	}
	$code = '${'.$name."}{'numlocations'}='".($order+1)."';";
	$out=Apache::run::run($code,$safeeval);
}	}

# begin to assign labels to locations	# begin to assign labels to locations
sub end_labelgroup {	sub end_labelgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $gname = $Apache::randomlabel::groupname;	my $gname = $Apache::randomlabel::groupname;
my $type = $Apache::randomlabel::type;	my $type = $Apache::randomlabel::type;
my $result='';	my $result='';
if ($target eq 'web') {	if ($target eq 'web' \|\| $target eq 'answer' \|\| $target eq 'grade') {
my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);	my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
&Apache::structuretags::shuffle(\@idx_arr);	&Apache::structuretags::shuffle(\@idx_arr);
for(0 .. $#Apache::randomlabel::label_arr) {	for(0 .. $#Apache::randomlabel::label_arr) {
Line 148 sub end_labelgroup {	Line 195 sub end_labelgroup {
my $xstr;	my $xstr;
my $ystr;	my $ystr;
my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";	my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";
	my $x = $Apache::randomlabel::xcoord[$_];
	my $y = $Apache::randomlabel::ycoord[$_];
	my $value = $Apache::randomlabel::value[$_];
if( $type eq 'text') {	if( $type eq 'text') {
&add_var($gname,$label,'array',$safeeval);	&add_vars($gname,$_,$label,$idx_arr[$_],$value,$safeeval);
$str = 'LB'.$Apache::randomlabel::tlabel_cnt;	$str = 'LB'.$Apache::randomlabel::tlabel_cnt;
$xstr = 'X'.$Apache::randomlabel::tlabel_cnt;	$xstr = 'X'.$Apache::randomlabel::tlabel_cnt;
$ystr = 'Y'.$Apache::randomlabel::tlabel_cnt;	$ystr = 'Y'.$Apache::randomlabel::tlabel_cnt;
$Apache::randomlabel::tlabel_cnt += 1;	$Apache::randomlabel::tlabel_cnt += 1;
} elsif ( $type eq 'image') {	} elsif ( $type eq 'image') {
&add_var($gname,$idx_arr[$_],'array',$safeeval);	&add_vars($gname,$_,$idx_arr[$_],$idx_arr[$_],$value,$safeeval);
$str = 'LB'.$Apache::randomlabel::ilabel_cnt;	$str = 'LB'.$Apache::randomlabel::ilabel_cnt;
$xstr = 'X'.$Apache::randomlabel::ilabel_cnt;	$xstr = 'X'.$Apache::randomlabel::ilabel_cnt;
$ystr = 'Y'.$Apache::randomlabel::ilabel_cnt;	$ystr = 'Y'.$Apache::randomlabel::ilabel_cnt;
Line 163 sub end_labelgroup {	Line 213 sub end_labelgroup {
} else {	} else {
&Apache::lonxml::error('Unknown type of label :'.$type.':');	&Apache::lonxml::error('Unknown type of label :'.$type.':');
}	}
my $x = $Apache::randomlabel::xcoord[$_];	if ($target eq 'web') {
my $y = $Apache::randomlabel::ycoord[$_];	$result .= '<param name="' . $str . '" value="'.$label.'">';
$result .= '<param name="' . $str . '" value="'.$label.'">';	$result .= '<param name="' . $xstr . '" value="'.$x.'">';
$result .= '<param name="' . $xstr . '" value="'.$x.'">';	$result .= '<param name="' . $ystr . '" value="'.$y.'">';
$result .= '<param name="' . $ystr . '" value="'.$y.'">';	}
}	}
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
my $WX1=0; # Web x-coord. of upper left corner (ULC)	my $WX1=0; # Web x-coord. of upper left corner (ULC)
Line 194 sub end_labelgroup {	Line 244 sub end_labelgroup {
my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$i] ]";	my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$i] ]";
my $x = $Apache::randomlabel::xcoord[$i];	my $x = $Apache::randomlabel::xcoord[$i];
my $y = $Apache::randomlabel::ycoord[$i];	my $y = $Apache::randomlabel::ycoord[$i];
	my $value = $Apache::randomlabel::value[$i];
my $tcX=$x*($texwidth/$wwidth);	my $tcX=$x*($texwidth/$wwidth);
my $tcY=$TY1-$y*($TY1/$wheight)-2;	my $tcY=$TY1-$y*($TY1/$wheight)-2;
$tcX=sprintf('%.2f',$tcX);	$tcX=sprintf('%.2f',$tcX);
$tcY=sprintf('%.2f',$tcY);	$tcY=sprintf('%.2f',$tcY);
$result.='\put('.$tcX.','.$tcY.'){\normalsize \bf '.$label.'}'."\n";	$result.='\put('.$tcX.','.$tcY.'){\normalsize \bf '.$label.'}'."\n";
if( $type eq 'text') {	if( $type eq 'text') {
&add_var($gname,$label,'array',$safeeval);	&add_vars($gname,$i,$label,$idx_arr[$i],$value,$safeeval);
} elsif ( $type eq 'image') {	} elsif ( $type eq 'image') {
&add_var($gname,$idx_arr[$i],'array',$safeeval);	&add_vars($gname,$i,$idx_arr[$i],$idx_arr[$i],$value,$safeeval);
} else {	} else {
&Apache::lonxml::error('Unknown type of label :'.$type.':');	&Apache::lonxml::error('Unknown type of label :'.$type.':');
}	}
Line 213 sub end_labelgroup {	Line 264 sub end_labelgroup {
return $result;	return $result;
}	}

# <location x=123 y=456 />	# <location x="123" y="456" value="some value"/>
sub start_location {	sub start_location {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $x= &Apache::lonxml::get_param('x',$parstack,$safeeval);	my $x= &Apache::lonxml::get_param('x',$parstack,$safeeval);
my $y= &Apache::lonxml::get_param('y',$parstack,$safeeval);	my $y= &Apache::lonxml::get_param('y',$parstack,$safeeval);
	my $value= &Apache::lonxml::get_param('value',$parstack,$safeeval);
my $result='';	my $result='';
push(@Apache::randomlabel::xcoord,$x);	push(@Apache::randomlabel::xcoord,$x);
push(@Apache::randomlabel::ycoord,$y);	push(@Apache::randomlabel::ycoord,$y);
	push(@Apache::randomlabel::value,$value);
if ($target eq 'edit') {	if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('X:','x',$token,4).	$result.=&Apache::edit::text_arg('X:','x',$token,4).
&Apache::edit::text_arg('Y:','y',$token,4).	&Apache::edit::text_arg('Y:','y',$token,4).
'</td></tr><tr><td colspan="3">';	&Apache::edit::text_arg('Value:','value',$token).
	&Apache::edit::end_row();
$result.=&Apache::edit::end_table;	$result.=&Apache::edit::end_table;
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,	my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
'x','y');	'x','y','value');
if ($constructtag) {	if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);	$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();	$result.=&Apache::edit::handle_insert();
Line 249 sub end_location {	Line 303 sub end_location {
sub start_label {	sub start_label {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';	my $result='';
if ($target eq 'web' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'tex' \|\|
	$target eq 'grade' \|\| $target eq 'answer') {
my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]);	my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]);
push(@Apache::randomlabel::label_arr,$ltext);	push(@Apache::randomlabel::label_arr,$ltext);
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
my $text=&Apache::lonxml::get_all_text("/label",$$parser[-1]);	my $text=&Apache::lonxml::get_all_text("/label",$$parser[-1]);
$result.='</td></tr><tr><td colspan="3">'.	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row().
&Apache::edit::editfield('',$text,'',20,1).	&Apache::edit::editfield('',$text,'',20,1).
&Apache::edit::end_table();	&Apache::edit::end_table();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $text=$$parser[-1]->get_text("/label");	my $text=$$parser[-1]->get_text("/label");
$result.=&Apache::edit::modifiedfield($token);	$result.='<label>'.&Apache::edit::modifiedfield($token);
}	}
return $result;	return $result;
}	}

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	Added in v.1.11