--- loncom/xml/lonplot.pm	2002/03/22 14:48:00	1.59
+++ loncom/xml/lonplot.pm	2002/03/22 16:04:09	1.61
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.59 2002/03/22 14:48:00 matthew Exp $
+# $Id: lonplot.pm,v 1.61 2002/03/22 16:04:09 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -91,10 +91,6 @@ my %linestyles =
      yerrorbars	    => [3,4],
      xyerrorbars    => [4,6],
      boxes          => 3,
-#     boxerrorbars   => [3,4,5],
-#     boxxyerrorbars => [4,6,7],
-#     financebars    => 5,
-#     candlesticks   => 5,
      vector	    => 4
     );		    
 
@@ -371,6 +367,8 @@ is an error in your <b>function</b> tag.
 </dl>
 ENDCURVEHELP
 
+my @curve_edit_order = ('color','name','linestyle','pointsize');
+
 my %curve_defaults = 
     (
      color     => {
@@ -393,7 +391,22 @@ my %curve_defaults =
 	 description => 'Line style',
 	 edit_type   => 'choice',
 	 choices     => [keys(%linestyles)]
-	 }
+	 },
+# gnuplots term=gif driver does not handle linewidth :(
+#     linewidth => {
+#         default     => 1,
+#         test        => $int_test,
+#         description => 'Line width (may not apply to all line styles)',
+#         edit_type   => 'choice',
+#         choices     => [1,2,3,4,5,6,7,8,9,10]
+#         },
+     pointsize => {
+         default     => 1,
+         test        => $int_test,
+         description => 'point size (may not apply to all line styles)',
+         edit_type   => 'choice',
+         choices     => [0,1,2,3,4,5,6,7,8,9,10]
+         }
      );
 
 ###################################################################
@@ -731,7 +744,8 @@ sub start_curve {
     } elsif ($target eq 'edit') {
 	$result .= &Apache::edit::tag_start($target,$token,'Curve');
 	$result .= &help_win($curve_help_text);
-	$result .= &edit_attributes($target,$token,\%curve_defaults);
+	$result .= &edit_attributes($target,$token,\%curve_defaults,
+                                    \@curve_edit_order);
     } elsif ($target eq 'modified') {
 	my $constructtag=&Apache::edit::get_new_args
 	    ($token,$parstack,$safeeval,keys(%curve_defaults));
@@ -1018,6 +1032,18 @@ sub write_gnuplot_file {
 		$curve->{'function'}.' title "'.
 		$curve->{'name'}.'" with '.
 		$curve->{'linestyle'};
+#
+# gnuplot's term=gif driver does not handle linewidths :(
+# . ' linewidth '. $curve->{'linewidth'};
+#
+            if (($curve->{'linestyle'} eq 'points')      ||
+                ($curve->{'linestyle'} eq 'linespoints') ||
+                ($curve->{'linestyle'} eq 'errorbars')   ||
+                ($curve->{'linestyle'} eq 'xerrorbars')  ||
+                ($curve->{'linestyle'} eq 'yerrorbars')  ||
+                ($curve->{'linestyle'} eq 'xyerrorbars')) {
+                $gnuplot_input.=' pointsize '.$curve->{'pointsize'};
+            }
 	} elsif (exists($curve->{'data'})) {
 	    # Store data values in $datatext
 	    my $datatext = '';
@@ -1114,11 +1140,11 @@ sub edit_attributes {
 sub insert_gnuplot {
     my $result = '';
     #  plot attributes
-    $result .= "<gnuplot \n";
+    $result .= "\n<gnuplot ";
     foreach my $attr (keys(%gnuplot_defaults)) {
-	$result .= "     $attr=\"$gnuplot_defaults{$attr}->{'default'}\"\n";
+	$result .= "\n     $attr=\"$gnuplot_defaults{$attr}->{'default'}\"";
     }
-    $result .= ">\n";
+    $result .= ">";
     # Add the components (most are commented out for simplicity)
     # $result .= &insert_key();
     # $result .= &insert_axis();
@@ -1127,7 +1153,7 @@ sub insert_gnuplot {
     # $result .= &insert_ylabel();    
     $result .= &insert_curve();
     # close up the <gnuplot>
-    $result .= "</gnuplot>\n";
+    $result .= "\n</gnuplot>";
     return $result;
 }
 
@@ -1141,9 +1167,9 @@ sub insert_xtics {
     my $result;
     $result .= "\n    <xtics ";
     foreach my $attr (keys(%tic_defaults)) {
-	$result .= "$attr=\"$tic_defaults{$attr}->{'default'}\" ";
+	$result .= "\n        $attr=\"$tic_defaults{$attr}->{'default'}\" ";
     }
-    $result .= "/>\n";
+    $result .= "/>";
     return $result;
 }
 
@@ -1151,19 +1177,19 @@ sub insert_ytics {
     my $result;
     $result .= "\n    <ytics ";
     foreach my $attr (keys(%tic_defaults)) {
-	$result .= "$attr=\"$tic_defaults{$attr}->{'default'}\" ";
+	$result .= "\n        $attr=\"$tic_defaults{$attr}->{'default'}\" ";
     }
-    $result .= "/>\n";
+    $result .= "/>";
     return $result;
 }
 
 sub insert_key {
     my $result;
-    $result .= "\n    <key \n";
+    $result .= "\n    <key ";
     foreach my $attr (keys(%key_defaults)) {
-	$result .= "         $attr=\"$key_defaults{$attr}->{'default'}\"\n";
+	$result .= "\n         $attr=\"$key_defaults{$attr}->{'default'}\"";
     }
-    $result .= "   />\n";
+    $result .= " />";
     return $result;
 }
 
@@ -1171,24 +1197,24 @@ sub insert_axis{
     my $result;
     $result .= "\n    <axis ";
    foreach my $attr (keys(%axis_defaults)) {
-	$result .= "         $attr=\"$axis_defaults{$attr}->{'default'}\"\n";
+	$result .= "\n         $attr=\"$axis_defaults{$attr}->{'default'}\"";
     }
-    $result .= "   />\n";
+    $result .= " />";
     return $result;
 }
 
-sub insert_title { return "\n    <title></title>\n"; }
-sub insert_xlabel { return "\n    <xlabel></xlabel>\n"; }
-sub insert_ylabel { return "\n    <ylabel></ylabel>\n"; }
+sub insert_title  { return "\n    <title></title>"; }
+sub insert_xlabel { return "\n    <xlabel></xlabel>"; }
+sub insert_ylabel { return "\n    <ylabel></ylabel>"; }
 
 sub insert_label {
     my $result;
     $result .= "\n    <label ";
     foreach my $attr (keys(%label_defaults)) {
-	$result .= '         '.$attr.'="'.
-	    $label_defaults{$attr}->{'default'}."\"\n";
+	$result .= "\n         $attr=\"".
+            $label_defaults{$attr}->{'default'}."\"";
     }
-    $result .= "   ></label>\n";
+    $result .= "></label>";
     return $result;
 }
 
@@ -1196,22 +1222,22 @@ sub insert_curve {
     my $result;
     $result .= "\n    <curve ";
     foreach my $attr (keys(%curve_defaults)) {
-	$result .= '         '.$attr.'="'.
-	    $curve_defaults{$attr}->{'default'}."\"\n";
+	$result .= "\n         $attr=\"".
+	    $curve_defaults{$attr}->{'default'}."\"";
     }
-    $result .= "    >\n";
-    $result .= &insert_data().&insert_data()."</curve>\n";
+    $result .= " >";
+    $result .= &insert_data().&insert_data()."\n    </curve>";
 }
 
 sub insert_function {
     my $result;
-    $result .= "<function></function>\n";
+    $result .= "\n        <function></function>";
     return $result;
 }
 
 sub insert_data {
     my $result;
-    $result .= "     <data></data>\n";
+    $result .= "\n        <data></data>";
     return $result;
 }