--- loncom/homework/edit.pm	2003/09/08 21:22:15	1.63
+++ loncom/homework/edit.pm	2004/06/04 16:05:47	1.83
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # edit mode helpers
 #
-# $Id: edit.pm,v 1.63 2003/09/08 21:22:15 albertel Exp $
+# $Id: edit.pm,v 1.83 2004/06/04 16:05:47 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,14 +25,13 @@
 #
 # http://www.lon-capa.org/
 #
-# 3/20 Guy
-# 01/10/02 Matthew
-# 03/06/02 Matthew
+
 package Apache::edit; 
 
 use strict;
 use Apache::lonnet();
 use HTML::Entities();
+use Apache::lonlocal;
 
 # Global Vars
 # default list of colors to use in editing
@@ -67,7 +66,7 @@ sub tag_start {
 #<td>". 
 #  &movebuttons($target,$token).
 #    "</tr><tr><td colspan=\"3\">\n";
-	my @help;# = Apache::lonxml::helpinfo($token);
+	my @help = Apache::lonxml::helpinfo($token);
 	if ($help[0]) {
 	    $result .= '<td align="right" valign="top">' .
 		Apache::loncommon::help_open_topic(@help) .
@@ -273,6 +272,11 @@ sub handle_insertafter {
     return $result;
 }
 
+sub insert_img {
+    return '
+    <img />';
+}
+
 sub insert_responseparam {
     return '
     <responseparam />';
@@ -283,6 +287,7 @@ sub insert_formularesponse {
 <formularesponse answer="" samples="">
     <textline />
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </formularesponse>';
 }
@@ -292,6 +297,7 @@ sub insert_numericalresponse {
 <numericalresponse answer="">
     <textline />
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </numericalresponse>';
 }
@@ -301,6 +307,7 @@ sub insert_stringresponse {
 <stringresponse answer="" type="">
     <textline />
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </stringresponse>';
 }
@@ -318,6 +325,7 @@ sub insert_imageresponse {
     <foilgroup>
     </foilgroup>
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </imageresponse>';
 }
@@ -328,26 +336,55 @@ sub insert_optionresponse {
     <foilgroup options="">
     </foilgroup>
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </optionresponse>';
 }
 
+sub insert_organicresponse {
+    return '
+<organicresponse>
+    <textline />
+    <hintgroup>
+    <startouttext /><endouttext />
+    </hintgroup>
+</organicresponse>';
+}
+
+sub insert_organicstructure {
+    return '
+<organicstructure />
+';
+}
+
 sub insert_radiobuttonresponse {
     return '
 <radiobuttonresponse max="10">
     <foilgroup>
     </foilgroup>
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </radiobuttonresponse>';
 }
 
+sub insert_reactionresponse {
+    return '
+<reactionresponse>
+    <textline />
+    <hintgroup>
+    <startouttext /><endouttext />
+    </hintgroup>
+</reactionresponse>';
+}
+
 sub insert_rankresponse {
     return '
 <rankresponse max="10">
     <foilgroup options="">
     </foilgroup>
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </rankresponse>';
 }
@@ -360,6 +397,7 @@ sub insert_matchresponse {
       </itemgroup>
     </foilgroup>
     <hintgroup>
+    <startouttext /><endouttext />
     </hintgroup>
 </matchresponse>';
 }
@@ -374,6 +412,13 @@ sub insert_hintpart {
 </hintpart>';
 }
 
+sub insert_hintgroup {
+  return '
+<hintgroup>
+    <startouttext /><endouttext />
+</hintgroup>';
+}
+
 sub insert_numericalhint {
     return '
 <numericalhint>
@@ -405,11 +450,11 @@ sub insert_optionhint {
 }
 
 sub insert_startouttext {
-    return "<startouttext />\n<endouttext />";
+    return "<startouttext /><endouttext />";
 }
 
 sub insert_script {
-    return "\n<script type=\"loncapa/perl\">\n</script>";
+    return "\n<script type=\"loncapa/perl\"></script>";
 }
 
 sub textarea_sizes {
@@ -428,7 +473,7 @@ sub textarea_sizes {
 
 sub editline {
     my ($tag,$data,$description,$size)=@_;
-    $data=&HTML::Entities::encode($data);
+    $data=&HTML::Entities::encode($data,'<>&"');
     if ($description) { $description="<br />".$description."<br />"; }
     my $result = <<"END";
 $description
@@ -439,21 +484,27 @@ END
 }
 
 sub editfield {
-    my ($tag,$data,$description,$minwidth,$minheight)=@_;
+    my ($tag,$data,$description,$minwidth,$minheight,$usehtmlarea)=@_;
 
     my ($rows,$cols)=&textarea_sizes(\$data);
+    $rows+=5; # make room for HTMLarea
     if ($cols > 80) { $cols = 80; }
     if ($cols < $minwidth ) { $cols = $minwidth; }
     if ($rows < $minheight) { $rows = $minheight; }
     if ($description) { $description="<br />".$description."<br />"; }
+    if ($usehtmlarea) {
+	push @Apache::lonxml::htmlareafields,'homework_edit_'.
+	    $Apache::lonxml::curdepth;
+    }
     return $description."\n".'&nbsp;&nbsp;&nbsp;<textarea rows="'.$rows.
 	'" cols="'.$cols.'" name="homework_edit_'.
+	$Apache::lonxml::curdepth.'" id="homework_edit_'.
 	$Apache::lonxml::curdepth.'">'.
-	&HTML::Entities::encode($data).'</textarea>'."\n";
+	&HTML::Entities::encode($data,'<>&"').'</textarea>'."\n";
 }
 
 sub modifiedfield {
-    my ($token) = @_;
+    my ($endtag,$parser) = @_;
     my $result;
 #  foreach my $envkey (sort keys %ENV) {
 #    &Apache::lonxml::debug("$envkey ---- $ENV{$envkey}");
@@ -461,6 +512,9 @@ sub modifiedfield {
 #  &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
 #  &Apache::lonxml::debug($ENV{"form.homework_edit_$Apache::lonxml::curdepth"});
     $result=$ENV{"form.homework_edit_$Apache::lonxml::curdepth"};
+    my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);
+    # textareas throw away intial \n 
+    if ($bodytext=~/^\n/) { $result="\n".$result; }
     return $result;
 }
 
@@ -482,6 +536,9 @@ sub get_new_args {
 		$token->[2]->{$arg}=$newvalue;
 	    }
 	    $rebuild=1;
+	} elsif (!defined($newvalue) && defined($value)) {
+	    delete($token->[2]->{$arg});
+	    $rebuild=1;
 	}
     }
     return $rebuild;
@@ -529,7 +586,7 @@ sub checked_arg {
     my $result;
     my $optionlist="";
     my $allselected=$token->[2]{$name};
-    $result=$description;
+    $result=&mt($description);
     foreach my $option (@$list) {
 	my ($value,$text);
 	if ( ref($option) eq 'ARRAY') {
@@ -558,7 +615,7 @@ sub text_arg {
     my $result;
     if (!defined $size) { $size=20; }
     my $arg=$token->[2]{$name};
-    $result=$description.'&nbsp;<input name="'.&html_element_name($name).
+    $result=&mt($description).'&nbsp;<input name="'.&html_element_name($name).
 	'" type="text" value="'.$arg.'" size="'.$size.'" />';
     return '<nobr>'.$result.'</nobr>';
 }
@@ -569,17 +626,19 @@ sub select_arg {
     my $optionlist="";
     my $selected=$token->[2]{$name};
     foreach my $option (@$list) {
-	my $value;
+	my ($text,$value);
 	if ( ref($option) eq 'ARRAY') {
 	    $value='value="'.$$option[0].'"';
-	    $option=$$option[1];
+	    $text=$$option[1];
+	    $option=$$option[0];
 	} else {
+	    $text=$option;
 	    $value='value="'.$option.'"';
 	}
 	if ( $selected eq $option ) {
-	    $optionlist.="<option $value selected=\"on\">$option</option>\n";
+	    $optionlist.="<option $value selected=\"on\">$text</option>\n";
 	} else {
-	    $optionlist.="<option $value >$option</option>\n";
+	    $optionlist.="<option $value >$text</option>\n";
 	}
     }
     $result.='<nobr>'.$description.'&nbsp;<select name="'.
@@ -596,23 +655,25 @@ sub select_or_text_arg {
     my $found=0;
     my $selected=$token->[2]{$name};
     foreach my $option (@$list) {
-	my $value;
+	my ($text,$value);
 	if ( ref($option) eq 'ARRAY') {
 	    $value='value="'.$$option[0].'"';
-	    $option=$$option[1];
+	    $text=$$option[1];
+	    $option=$$option[0];
 	} else {
+	    $text=$option;
 	    $value='value="'.$option.'"';
 	}
 	if ( $selected eq $option ) {
-	    $optionlist.="<option $value selected=\"on\">$option</option>\n";
+	    $optionlist.="<option $value selected=\"on\">$text</option>\n";
 	    $found=1;
 	} else {
-	    $optionlist.="<option $value>$option</option>\n";
+	    $optionlist.="<option $value>$text</option>\n";
 	}
     }
     $optionlist.="<option value=\"TYPEDINVALUE\"".
  	((!$found)?' selected="on"':'').
- 	">Type in value</option>\n";
+ 	">".&mt('Type-in value')."</option>\n";
 #
     my $element=&html_element_name($name);
     my $selectelement='select_list_'.$element;
@@ -625,12 +686,13 @@ sub select_or_text_arg {
 	     '.options['.$selectedindex.'].value';
     my $typedinvalue='this.form.'.$typeinelement.'.value';
     my $selecttypeinindex='this.form.'.$selectelement.'.options.length';
+    $description=&mt($description);
 #
     return (<<ENDSELECTORTYPE);
 <nobr>
 $description
 &nbsp;<select name="$selectelement"
-onChange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }"
+onChange="if ($selectedvalue!='TYPEDINVALUE') { $hiddenvalue=$selectedvalue; $typedinvalue=''; }" >
 $optionlist
 </select>
 <input type="text" size="$size" name="$typeinelement"
@@ -645,11 +707,11 @@ ENDSELECTORTYPE
 #----------------------------------------------------- image coordinates
 # single image coordinates, x, y 
 sub entercoords {
-    my ($idx,,$idy,$mode,$width,$height) = @_;
+    my ($idx,$idy,$mode,$width,$height) = @_;
     unless ($Apache::edit::bgimgsrc) { return ''; }
     if ($idx) { $idx.='_'; }
     if ($idy) { $idy.='_'; }
-    my $bgfile=&Apache::lonnet::escape($Apache::edit::bgimgsrc);
+    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') {
@@ -658,62 +720,83 @@ sub entercoords {
         $element = &Apache::lonnet::escape('homework_edit_'.
                                            $Apache::lonxml::curdepth);
     }
-    my $formheight='';
+    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) {
-	$formheight='&formheight='.$height.'_'.$Apache::edit::bgimgsrccurdepth;
+	$data{"imagechoice.$id.formheight"}=$height.'_'.
+	    $Apache::edit::bgimgsrccurdepth;
     }
-    my $formwidth='';
     if ($width) {
-	$formwidth='&formwidth='.$width.'_'.$Apache::edit::bgimgsrccurdepth;
+	$data{"imagechoice.$id.formwidth"}=$width.'_'.
+	    $Apache::edit::bgimgsrccurdepth;
     }
-    my $result = <<"ENDBUTTON";
-<a href="/cgi-bin/imagechoice.pl?formname=$form&file=$bgfile&formx=$idx$element&formy=$idy$element$formheight$formwidth"
-target="imagechoice">Click Coordinates</a>
-ENDBUTTON
+    &Apache::lonnet::appenv(%data);
+    my $text="Click Coordinates";
+    my $result='<a href="/adm/imagechoice?token='.$id.'" target="imagechoice">'.$text.'</a>';
     return $result;
 }
 
-# coordinate pair (x1,y1)-(x2,y2)
-sub entercoordpair {
-    my ($id,$mode,$width,$height) = @_;
+# 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::edit::bgimgsrc);
+    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') {
-        $element = &Apache::lonnet::escape("$id\_$Apache::lonxml::curdepth");
+        $element = &Apache::lonnet::escape("$idx\_$Apache::lonxml::curdepth");
     } elsif ($mode eq 'textnode') {  # for data between <tag> ... </tag>
         $element = &Apache::lonnet::escape('homework_edit_'.
                                            $Apache::lonxml::curdepth);
     }
-    my $formheight='';
+    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) {
-	$formheight='&formheight='.$height.'_'.$Apache::edit::bgimgsrccurdepth;
+	$data{"imagechoice.$id.formheight"}=$height.'_'.
+	    $Apache::edit::bgimgsrccurdepth;
     }
-    my $formwidth='';
     if ($width) {
-	$formwidth='&formwidth='.$width.'_'.$Apache::edit::bgimgsrccurdepth;
+	$data{"imagechoice.$id.formwidth"}=$width.'_'.
+	    $Apache::edit::bgimgsrccurdepth;
     }
-    my $result = <<"ENDBUTTON";
-<a href="/cgi-bin/imagechoice.pl?mode=pair&formname=$form&file=$bgfile$formheight$formwidth&formcoord=$element"
-target="imagechoice">Click Coordinate Pair</a>
-ENDBUTTON
+    &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, $mode) = @_;
+    my ($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);
+                                           $Apache::lonxml::curdepth);	
+    }
+    my $titleelement;
+    if ($titleid) {
+	$titleelement=",'','','".&Apache::lonnet::escape("$titleid\_$Apache::lonxml::curdepth")."'";
     }
     my $result = <<"ENDBUTTON";
-<a href=\"javascript:openbrowser('$form','$element')\"\>Select</a>
+<a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a>
 ENDBUTTON
     return $result;
 }
@@ -721,7 +804,7 @@ ENDBUTTON
 #----------------------------------------------------- browse
 sub search {
     # insert a link to call up the filesystem browser (lonindexer)
-    my ($id, $mode) = @_;
+    my ($id, $mode, $titleid) = @_;
     my $form    = 'lonhomework';
     my $element;
     if (! defined($mode) || $mode eq 'attribute') {
@@ -730,8 +813,12 @@ sub search {
         $element = &Apache::lonnet::escape('homework_edit_'.
                                            $Apache::lonxml::curdepth);
     }
+    my $titleelement;
+    if ($titleid) {
+	$titleelement=",'".&Apache::lonnet::escape("$titleid\_$Apache::lonxml::curdepth")."'";
+    }
     my $result = <<"ENDBUTTON";
-<a href=\"javascript:opensearcher('$form','$element')\"\>Search</a>
+<a href=\"javascript:opensearcher('$form','$element'$titleelement)\"\>Search</a>
 ENDBUTTON
     return $result;
 }