--- loncom/homework/functionplotresponse.pm 2011/12/09 22:04:51 1.89
+++ loncom/homework/functionplotresponse.pm 2012/02/29 01:24:47 1.94
@@ -1,7 +1,7 @@
# LearningOnline Network with CAPA
# Functionplot responses
#
-# $Id: functionplotresponse.pm,v 1.89 2011/12/09 22:04:51 www Exp $
+# $Id: functionplotresponse.pm,v 1.94 2012/02/29 01:24:47 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -38,6 +38,7 @@ BEGIN {
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',
'plotobject','plotvector',
'functionplotvectorrule','functionplotvectorsumrule',
+ 'drawvectorsum',
'functionplotcustomrule',
'functionplotrule','functionplotruleset',
'functionplotelements'));
@@ -410,7 +411,7 @@ sub plotobject_script {
#
sub plotvector_script {
- my ($id,$label,$xs,$ys,$xe,$ye,$xmin,$xmax)=@_;
+ my ($id,$label,$xs,$ys,$xe,$ye,$xmin,$xmax,$fixed)=@_;
unless ($label) {
$Apache::functionplotresponse::counter++;
$label='V'.$Apache::functionplotresponse::counter;
@@ -421,8 +422,8 @@ sub plotvector_script {
my $pointx=2.*($xmax-$xmin)+$xmax;
my $anglelabel=$label.'Angle';
return
- &new_point_coordinate($id,$startlabel,$xs,$ys,0).
- &new_point_coordinate($id,$endlabel,$xe,$ye,0).
+ &new_point_coordinate($id,$startlabel,$xs,$ys,$fixed).
+ &new_point_coordinate($id,$endlabel,$xe,$ye,$fixed).
(<<ENDVECTOR);
document.ggbApplet_$id.evalCommand("$label=Vector[$startlabel,$endlabel]");
document.ggbApplet_$id.setLabelVisible("$label",true);
@@ -556,7 +557,9 @@ sub start_plotvector {
unless (defined($taily)) { $taily=$ymin; }
unless (defined($tipx)) { $tipx=$xmin; }
unless (defined($tipy)) { $tipy=$ymin; }
- $result.=&plotvector_script($internalid,$label,$tailx,$taily,$tipx,$tipy,$xmin,$xmax);
+ my $fixed=0;
+ if ((&Apache::response::show_answer()) || (&Apache::response::check_status()>=2)) { $fixed=1; }
+ $result.=&plotvector_script($internalid,$label,$tailx,$taily,$tipx,$tipy,$xmin,$xmax,$fixed);
} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token,'Plot Vector').
&Apache::edit::text_arg('Label on Plot:','label',
@@ -589,6 +592,91 @@ sub end_plotvector {
}
+#
+# Vector sum - have GeoGebra draw a sum of specified vectors to help students draw
+#
+
+sub start_drawvectorsum {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1];
+ my $tailx=&Apache::lonxml::get_param('tailx',$parstack,$safeeval);
+ my $taily=&Apache::lonxml::get_param('taily',$parstack,$safeeval);
+ my $showvalue=&Apache::lonxml::get_param('showvalue',$parstack,$safeeval);
+ my $vectorlist=&Apache::lonxml::get_param('vectorlist',$parstack,$safeeval);
+ my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval);
+ $label=~s/\W//gs;
+ $label=ucfirst($label);
+ unless ($label) { $label="NewVector"; }
+ if ($target eq 'web') {
+ my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
+ unless (defined($tailx)) { $tailx=$xmin; }
+ unless (defined($taily)) { $taily=$ymin; }
+ unless (defined($vectorlist)) { $vectorlist=''; }
+ my @vectors=split(/\,/,$vectorlist);
+ if ($#vectors>0) {
+ my @sumx=();
+ my @sumy=();
+ foreach my $thisvector (@vectors) {
+ $thisvector=~s/\W//gs;
+ $thisvector=ucfirst($thisvector);
+ unless ($thisvector) { next; }
+ my $vectorx=$thisvector.'X';
+ my $vectory=$thisvector.'Y';
+ $result.=(<<ENDADDVEC);
+document.ggbApplet_$internalid.evalCommand("$vectorx=x($thisvector)");
+document.ggbApplet_$internalid.evalCommand("$vectory=y($thisvector)");
+document.ggbApplet_$internalid.evalCommand("Include$thisvector$label=Checkbox[]");
+ENDADDVEC
+ push(@sumx,"If[Include$thisvector$label,$vectorx,0]");
+ push(@sumy,"If[Include$thisvector$label,$vectory,0]");
+ }
+ $result.="document.ggbApplet_$internalid.evalCommand(".'"'."xTot$label=".join('+',@sumx).'");'."\n";
+ $result.="document.ggbApplet_$internalid.evalCommand(".'"'."yTot$label=".join('+',@sumy).'");'."\n";
+ my $show=0;
+ if ($showvalue=~/yes/i) {
+ $show=1;
+ }
+ $result.=(<<ENDMAKEVECTOR);
+document.ggbApplet_$internalid.evalCommand("$label=Vector[($tailx,$taily),($tailx+xTot$label,$taily+yTot$label)]");
+document.ggbApplet_$internalid.setLabelVisible("$label",true);
+document.ggbApplet_$internalid.setLineThickness("$label",8);
+document.ggbApplet_$internalid.setColor("$label",255,0,0);
+document.ggbApplet_$internalid.setLabelStyle("$label",VALUE=$show);
+ENDMAKEVECTOR
+ }
+ } elsif ($target eq 'edit') {
+ $result=&Apache::edit::tag_start($target,$token,'Draw Vector Sum').
+ &Apache::edit::text_arg('Label on Plot:','label',
+ $token,'16').
+ &Apache::edit::text_arg('Tail x:','tailx',
+ $token,'8').
+ &Apache::edit::text_arg('Tail y:','taily',
+ $token,'8').
+ &Apache::edit::select_arg('Show Value:','showvalue',
+ ['yes','no'],$token).'<br />'.
+ &Apache::edit::text_arg('Vector List:','vectorlist',
+ $token,'40').
+ &Apache::edit::end_row();
+ } elsif ($target eq 'modified') {
+ $env{'form.'.&Apache::edit::html_element_name('label')}=ucfirst($env{'form.'.&Apache::edit::html_element_name('label')});
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'label','tailx','taily','showvalue','vectorlist');
+ if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
+ }
+ return $result;
+}
+
+
+sub end_drawvectorsum {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result='';
+ if ($target eq 'edit') {
+ $result=&Apache::edit::end_table();
+ }
+ return $result;
+}
+
+
#
# <backgroundplot function="..." fixed="yes/no" />
@@ -1289,31 +1377,16 @@ sub start_functionplotresponse {
($env{'form.answer_output_mode'} ne 'tex') &&
($Apache::lonhomework::viewgrades == 'F')) {
my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
- my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
- my $start_page = &Apache::loncommon::start_page('Rules Log', undef,
- {'only_body' => 1,
- 'bgcolor' => '#FFFFFF',
- 'js_ready' => 1,});
- my $end_page = &Apache::loncommon::end_page({'js_ready' => 1,});
$uname =~s/\W//g;
$udom =~s/\W//g;
my $function_name =
join('_','LONCAPA_scriptvars',$uname,$udom,
$env{'form.counter'},$Apache::lonxml::curdepth);
- my $rulelogcontent= $start_page.
- &Apache::loncommon::start_scrollbox('700px','680px','480px').
- '<pre>'.
- $Apache::functionplotresponse::ruleslog.
- '</pre>'.
- &Apache::loncommon::end_scrollbox().
- $end_page;
- $rulelogcontent=~s/\'/\\'/gs;
&Apache::lonxml::add_script_result(
- &Apache::loncommon::modal_adhoc_script($function_name,700,500,$rulelogcontent).
- "<a href=\"javascript:$function_name();void(0);\">".&mt('Rules Log')."</a><br />"
- );
- }
-
+ &Apache::loncommon::modal_adhoc_window($function_name,700,500,
+ '<pre>'.$Apache::functionplotresponse::ruleslog.'</pre>',
+ &mt('Rules Log'))."<br />");
+ }
return $result;
}
@@ -1684,7 +1757,7 @@ sub functionplotrulecheck {
#
# Evaluate the value
#
- if ($value=~/\D/) {
+ if (($value=~/\D/) && ($value ne 'undef')) {
$Apache::functionplotresponse::fpr_xmin=$xmin;
$Apache::functionplotresponse::fpr_xmax=$xmax;
$value=&Apache::run::run($value,$safeeval);