--- loncom/homework/inputtags.pm	2003/11/16 03:23:17	1.123
+++ loncom/homework/inputtags.pm	2003/11/25 23:04:58	1.124
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.123 2003/11/16 03:23:17 albertel Exp $
+# $Id: inputtags.pm,v 1.124 2003/11/25 23:04:58 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -98,6 +98,16 @@ sub end_input {
   return '';
 }
 
+sub addchars {
+    my ($fieldid,$addchars)=@_;
+    my $output='';
+    foreach (split(/\,/,$addchars)) {
+	$output.='<a href="javascript:void(document.forms.lonhomework.'.
+	    $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
+    }
+    return $output;
+}
+
 sub start_textfield {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result = "";
@@ -112,7 +122,12 @@ sub start_textfield {
 	if ( $cols eq '') { $cols = 80; }
 	my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
 	if ( $rows eq '') { $rows = 10; }
-	$result= '<textarea wrap="hard" name="HWVAL_'.$resid.'" '.
+	my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
+	$result='';
+        if ($addchars) {
+	    $result.=&addchars('HWVAL_'.$resid,$addchars);
+	}
+	$result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" '.
 	    "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
 	if ($oldresponse ne '') {
 	    #get rid of any startup text if the user has already responded
@@ -135,11 +150,13 @@ sub start_textfield {
     $result.=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
     $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
+    $result.=&Apache::edit::text_arg
+	('Click-On Texts (comma sep):','addchars',$token,10);
     my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
     $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
   } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
-						 $safeeval,'rows','cols');
+					   $safeeval,'rows','cols','addchars');
     if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
     } else {
@@ -193,7 +210,12 @@ sub start_textline {
       }
       my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
       if ($Apache::lonhomework::type ne 'exam') {
-        $result= '<input type="text" name="HWVAL_'.$id.'" value="'.
+	my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
+	$result='';
+        if ($addchars) {
+	    $result.=&addchars('HWVAL_'.$id,$addchars);
+	}
+        $result.= '<input type="text" name="HWVAL_'.$id.'" value="'.
 	    $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
       }
     } else {
@@ -203,10 +225,12 @@ sub start_textline {
     }
   } elsif ($target eq 'edit') {
     $result=&Apache::edit::tag_start($target,$token);
-    $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
+    $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
+	&Apache::edit::text_arg
+	('Click-On Texts (comma sep):','addchars',$token,10)."</td></tr>";
     $result.=&Apache::edit::end_table;
   } elsif ($target eq 'modified') {
-    my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
+    my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size','addchars');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
       my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);