version 1.10, 2010/10/09 17:43:25
|
version 1.15, 2010/10/19 02:04:27
|
Line 33 use Apache::lonlocal;
|
Line 33 use Apache::lonlocal;
|
use Apache::lonnet; |
use Apache::lonnet; |
|
|
BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline')); |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline','splinerule')); |
} |
} |
|
|
# |
# |
Line 178 sub generate_input_field {
|
Line 178 sub generate_input_field {
|
# |
# |
sub new_coordinate { |
sub new_coordinate { |
my ($id,$variable,$x,$y)=@_; |
my ($id,$variable,$x,$y)=@_; |
if ($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')}) { |
if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'x')})) { |
$x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')}; |
$x=$Apache::functionplotresponse::previous{&field_name($id,$variable,'x')}; |
} |
} |
if ($Apache::functionplotresponse::previous{&field_name($id,$variable,'y')}) { |
if (defined($Apache::functionplotresponse::previous{&field_name($id,$variable,'y')})) { |
$y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')}; |
$y=$Apache::functionplotresponse::previous{&field_name($id,$variable,'y')}; |
} |
} |
&generate_input_field($id,$variable,$x,$y); |
&generate_input_field($id,$variable,$x,$y); |
Line 224 sub axes_script {
|
Line 224 sub axes_script {
|
ENDAXESSCRIPT |
ENDAXESSCRIPT |
} |
} |
|
|
|
sub axes_label { |
|
my ($id,$xlabel,$ylabel)=@_; |
|
unless ($xlabel || $ylabel) { return ''; } |
|
my $return='document.ggbApplet_'.$id.'.evalCommand("topRight=Corner[3]");'; |
|
if ($xlabel) { |
|
$return.=(<<ENDXAXISLABELSCRIPT); |
|
document.ggbApplet_$id.evalCommand("Xlabel=(x(topRight)-AxisStepX[],AxisStepY[]/6)"); |
|
document.ggbApplet_$id.setVisible("Xlabel",false); |
|
document.ggbApplet_$id.evalCommand("Text[\\"$xlabel\\", Xlabel]"); |
|
ENDXAXISLABELSCRIPT |
|
} |
|
if ($ylabel) { |
|
$return.=(<<ENDYAXISLABELSCRIPT); |
|
document.ggbApplet_$id.evalCommand("Ylabel=(AxisStepX[]/6,y(topRight)-AxisStepY[]/3)"); |
|
document.ggbApplet_$id.setVisible("Ylabel",false); |
|
document.ggbApplet_$id.evalCommand("Text[\\"$ylabel\\", Ylabel]"); |
|
ENDYAXISLABELSCRIPT |
|
} |
|
return $return; |
|
} |
|
|
sub plot_script { |
sub plot_script { |
my ($id,$function,$fixed)=@_; |
my ($id,$function,$fixed)=@_; |
if ($fixed) { |
if ($fixed) { |
# Use stupid trick to nail this to a location |
# Use stupid trick to nail this to a location |
|
# Oddly, it seems like only one plot cannot be nailed to a location |
|
# Non-nailed-down plots apparently get overwritten |
return (<<ENDPLOTSCRIPT); |
return (<<ENDPLOTSCRIPT); |
document.ggbApplet_$id.evalCommand("a=1"); |
document.ggbApplet_$id.evalCommand("a=1"); |
document.ggbApplet_$id.setVisible("a",false); |
document.ggbApplet_$id.setVisible("a",false); |
Line 276 sub start_backgroundplot {
|
Line 299 sub start_backgroundplot {
|
unless ($function) { $function="0"; } |
unless ($function) { $function="0"; } |
if ($target eq 'web') { |
if ($target eq 'web') { |
$result.=&plot_script($internalid,$function,$fixed); |
$result.=&plot_script($internalid,$function,$fixed); |
|
} elsif ($target eq 'edit') { |
|
$result=&Apache::edit::tag_start($target,$token,'Background Function Plot'). |
|
&Apache::edit::text_arg('Function:','function', |
|
$token,'16'). |
|
&Apache::edit::select_arg('Fixed location:','fixed', |
|
['yes','no'],$token). |
|
&Apache::edit::end_row(); |
|
} elsif ($target eq 'modified') { |
|
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
|
$safeeval,'function','fixed'); |
|
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_backgroundplot { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
if ($target eq 'edit') { |
|
$result=&Apache::edit::end_table(); |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
sub end_backgroundplot { |
# |
return ''; |
# <splinerule ... /> |
|
# |
|
sub start_splinerule { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1]; |
|
if ($target eq 'edit') { |
|
$result=&Apache::edit::tag_start($target,$token,'Spline Evaluation Rule'). |
|
&Apache::edit::end_row(); |
|
} |
|
return $result; |
} |
} |
|
|
|
sub end_splinerule { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
if ($target eq 'edit') { |
|
$result=&Apache::edit::end_table(); |
|
} |
|
return $result; |
|
} |
|
|
|
|
# |
# |
# <spline label="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
# <spline label="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
# |
# |
Line 291 sub end_backgroundplot {
|
Line 354 sub end_backgroundplot {
|
# |
# |
sub start_spline { |
sub start_spline { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval); |
my $result=''; |
$Apache::functionplotresponse::counter++; |
if ($target eq 'web') { |
$label=~s/\W//gs; |
my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval); |
unless ($label) { $label='S'.$Apache::functionplotresponse::counter; } |
$Apache::functionplotresponse::counter++; |
|
if ($label=~/\W/) { |
my $order=&Apache::lonxml::get_param('order',$parstack,$safeeval); |
&Apache::lonxml::warning(&mt('Spline labels should only contain alphanumeric characters.')); |
if ($order<2) { $order=2; } |
} |
if ($order>8) { $order=8; } |
$label=~s/\W//gs; |
$Apache::functionplotresponse::splineorder{$label}=$order; |
unless ($label) { $label='S'.$Apache::functionplotresponse::counter; } |
|
if ($Apache::functionplotresponse::splineorder{$label}) { |
my $x=&Apache::lonxml::get_param('initx',$parstack,$safeeval); |
&Apache::lonxml::error(&mt('Spline labels must be unique.')); |
unless ($x) { $x=0; } |
} |
$Apache::functionplotresponse::splineinitx{$label}=$x; |
|
|
my $order=&Apache::lonxml::get_param('order',$parstack,$safeeval); |
my $y=&Apache::lonxml::get_param('inity',$parstack,$safeeval); |
if ($order<2) { $order=2; } |
unless ($y) { $y=0; } |
if ($order>8) { $order=8; } |
$Apache::functionplotresponse::splineinity{$label}=$y; |
$Apache::functionplotresponse::splineorder{$label}=$order; |
|
|
my $sx=&Apache::lonxml::get_param('scalex',$parstack,$safeeval); |
my $x=&Apache::lonxml::get_param('initx',$parstack,$safeeval); |
unless ($sx) { $sx=$order; } |
unless ($x) { $x=0; } |
$Apache::functionplotresponse::splinescalex{$label}=$sx; |
$Apache::functionplotresponse::splineinitx{$label}=$x; |
|
|
my $sy=&Apache::lonxml::get_param('scaley',$parstack,$safeeval); |
my $y=&Apache::lonxml::get_param('inity',$parstack,$safeeval); |
unless ($sy) { $sy=2; } |
unless ($y) { $y=0; } |
$Apache::functionplotresponse::splinescaley{$label}=$sy; |
$Apache::functionplotresponse::splineinity{$label}=$y; |
return ''; |
|
|
my $sx=&Apache::lonxml::get_param('scalex',$parstack,$safeeval); |
|
unless ($sx) { $sx=$order; } |
|
$Apache::functionplotresponse::splinescalex{$label}=$sx; |
|
|
|
my $sy=&Apache::lonxml::get_param('scaley',$parstack,$safeeval); |
|
unless ($sy) { $sy=2; } |
|
$Apache::functionplotresponse::splinescaley{$label}=$sy; |
|
} elsif ($target eq 'edit') { |
|
$result=&Apache::edit::tag_start($target,$token,'Spline'). |
|
&Apache::edit::text_arg('Label:','label', |
|
$token,'4').' '. |
|
&Apache::edit::select_arg('Order:','order', |
|
['2','3','4','5','6','7','8','9'],$token).' '. |
|
&Apache::edit::text_arg('Initial x-value:','initx', |
|
$token,'4').' '. |
|
&Apache::edit::text_arg('Initial y-value:','inity', |
|
$token,'4').' '. |
|
&Apache::edit::text_arg('Scale x:','scalex', |
|
$token,'4').' '. |
|
&Apache::edit::text_arg('Scale y:','scaley', |
|
$token,'4'). |
|
&Apache::edit::end_row(); |
|
} elsif ($target eq 'modified') { |
|
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
|
$safeeval,'label','order','initx','inity', |
|
'scalex','scaley'); |
|
if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
|
} |
|
return $result; |
} |
} |
|
|
sub end_spline { |
sub end_spline { |
return ''; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
if ($target eq 'edit') { |
|
$result=&Apache::edit::end_table(); |
|
} |
|
return $result; |
} |
} |
|
|
sub end_init_script { |
sub end_init_script { |
Line 356 sub get_answer_from_form_fields {
|
Line 453 sub get_answer_from_form_fields {
|
return ($answer,%coords); |
return ($answer,%coords); |
} |
} |
|
|
|
# |
|
# The following functions calculate the cubic-hermite splines server-side |
|
# |
|
|
|
sub cubic_hermite { |
|
my ($t,$p1,$s1,$p2,$s2)=@_; |
|
return (2.*$t*$t*$t-3.*$t*$t+1.)*$p1 + 5.*($t*$t*$t-2.*$t*$t+$t)*($s1-$p1)+ |
|
(-2.*$t*$t*$t+3.*$t*$t) *$p2 + 5.*($t*$t*$t-$t*$t) *($s2-$p2); |
|
} |
|
|
|
# |
|
# d/dt(...) |
|
# |
|
|
|
sub ddt_cubic_hermite { |
|
my ($t,$p1,$s1,$p2,$s2)=@_; |
|
return (6.*$t*$t-6.*$t) *$p1 + 5.*(3.*$t*$t-4.*$t+1.)*($s1-$p1)+ |
|
(-6.*$t*$t+6.*$t)*$p2 + 5.*(3.*$t*$t-2.*$t) *($s2-$p2); |
|
} |
|
|
|
# |
|
# d^2/dt^2(...) |
|
# |
|
|
|
sub d2dt2_cubic_hermite { |
|
my ($t,$p1,$s1,$p2,$s2)=@_; |
|
return (12.*$t-6.) *$p1 + 5.*(6.*$t-4.)*($s1-$p1)+ |
|
(-12.*$t+6.)*$p2 + 5.*(6.*$t-2.)*($s2-$p2); |
|
} |
|
|
|
# |
|
# Implentation of <functionplotresponse> |
|
# |
|
|
sub start_functionplotresponse { |
sub start_functionplotresponse { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
Line 389 sub start_functionplotresponse {
|
Line 520 sub start_functionplotresponse {
|
my $xaxisvisible=(&Apache::lonxml::get_param('xaxisvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
my $xaxisvisible=(&Apache::lonxml::get_param('xaxisvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
my $yaxisvisible=(&Apache::lonxml::get_param('yaxisvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
my $yaxisvisible=(&Apache::lonxml::get_param('yaxisvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
my $gridvisible=(&Apache::lonxml::get_param('gridvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
my $gridvisible=(&Apache::lonxml::get_param('gridvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
|
my $xlabel=&Apache::lonxml::get_param('xlabel',$parstack,$safeeval); |
|
my $ylabel=&Apache::lonxml::get_param('ylabel',$parstack,$safeeval); |
|
if ($target eq 'edit') { |
|
$result.=&Apache::edit::start_table($token) |
|
.'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>' |
|
.'<td><span class="LC_nobreak">'.&mt('Delete?').' ' |
|
.&Apache::edit::deletelist($target,$token) |
|
.'</span></td>' |
|
."<td> " |
|
.&Apache::edit::end_row() |
|
.&Apache::edit::start_spanning_row() |
|
."\n"; |
|
$result.=&Apache::edit::text_arg('Label x-axis:','xlabel', |
|
$token,'6').' '. |
|
&Apache::edit::text_arg('Minimum x-value:','xmin', |
|
$token,'4').' '. |
|
&Apache::edit::text_arg('Maximum x-value:','xmax', |
|
$token,'4').' '. |
|
&Apache::edit::select_arg('x-axis visible:','xaxisvisible', |
|
['yes','no'],$token).' '. |
|
&Apache::edit::text_arg('Label y-axis:','ylabel', |
|
$token,'6').' '. |
|
&Apache::edit::text_arg('Minimum y-value:','ymin', |
|
$token,'4').' '. |
|
&Apache::edit::text_arg('Maximum y-value:','ymax', |
|
$token,'4').' '. |
|
&Apache::edit::select_arg('y-axis visible:','yaxisvisible', |
|
['yes','no'],$token).' '. |
|
&Apache::edit::select_arg('Grid visible:','gridvisible', |
|
['yes','no'],$token). |
|
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
|
} elsif ($target eq 'modified') { |
|
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
|
$safeeval,'xlabel','xmin','xmax','ylabel','ymin','ymax', |
|
'xaxisvisible','yaxisvisible','gridvisible'); |
|
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } |
|
|
if ($target eq 'meta') { |
} elsif ($target eq 'meta') { |
$result=&Apache::response::meta_package_write('functionplotresponse'); |
$result=&Apache::response::meta_package_write('functionplotresponse'); |
} elsif ($target eq 'web') { |
} elsif ($target eq 'web') { |
# paste in the update routine to receive stuff back from the applet |
# paste in the update routine to receive stuff back from the applet |
$result.=&update_script($internalid); |
$result.=&update_script($internalid); |
# start the initscript for this applet |
# start the initscript for this applet |
$result.=&start_init_script($internalid); |
$result.=&start_init_script($internalid); |
# put the axis commands inside |
# put the axis commands inside |
$result.=&axes_script($internalid,$xmin,$xmax,$ymin,$ymax,$xaxisvisible,$yaxisvisible,$gridvisible); |
$result.=&axes_script($internalid,$xmin,$xmax,$ymin,$ymax,$xaxisvisible,$yaxisvisible,$gridvisible); |
|
$result.=&axes_label($internalid,$xlabel,$ylabel); |
# init script is left open |
# init script is left open |
} |
} |
return $result; |
return $result; |
Line 413 sub end_functionplotresponse {
|
Line 581 sub end_functionplotresponse {
|
my $partid=$Apache::inputtags::part; |
my $partid=$Apache::inputtags::part; |
my $internalid = $partid.'_'.$id; |
my $internalid = $partid.'_'.$id; |
|
|
# if ($target eq 'edit') { $result=&Apache::edit::end_table(); } |
if ($target eq 'edit') { $result=&Apache::edit::end_table(); } |
if ($target eq 'grade' |
if ($target eq 'grade' |
&& &Apache::response::submitted() |
&& &Apache::response::submitted() |
&& $Apache::lonhomework::type eq 'exam') { |
&& $Apache::lonhomework::type eq 'exam') { |
Line 425 sub end_functionplotresponse {
|
Line 593 sub end_functionplotresponse {
|
&& $Apache::lonhomework::type ne 'exam') { |
&& $Apache::lonhomework::type ne 'exam') { |
my ($response,%coords)=&get_answer_from_form_fields($internalid); |
my ($response,%coords)=&get_answer_from_form_fields($internalid); |
$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; |
$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; |
$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='INCORRECT'; |
my %previous=&Apache::response::check_for_previous($response,$partid,$id); |
|
# |
|
# Actually grade |
|
# |
|
my $ad='INCORRECT'; |
|
# |
|
# Store grading info |
|
# |
|
$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad; |
|
&Apache::response::handle_previous(\%previous,$ad); |
} elsif ($target eq 'web') { |
} elsif ($target eq 'web') { |
# Now is the time to render all of the stored splines |
# Now is the time to render all of the stored splines |
foreach my $label (keys(%Apache::functionplotresponse::splineorder)) { |
foreach my $label (keys(%Apache::functionplotresponse::splineorder)) { |