version 1.13, 2010/10/10 00:14:15
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version 1.15, 2010/10/19 02:04:27
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Line 224 sub axes_script {
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Line 224 sub axes_script {
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ENDAXESSCRIPT |
ENDAXESSCRIPT |
} |
} |
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sub axes_label { |
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my ($id,$xlabel,$ylabel)=@_; |
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unless ($xlabel || $ylabel) { return ''; } |
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my $return='document.ggbApplet_'.$id.'.evalCommand("topRight=Corner[3]");'; |
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if ($xlabel) { |
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$return.=(<<ENDXAXISLABELSCRIPT); |
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document.ggbApplet_$id.evalCommand("Xlabel=(x(topRight)-AxisStepX[],AxisStepY[]/6)"); |
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document.ggbApplet_$id.setVisible("Xlabel",false); |
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document.ggbApplet_$id.evalCommand("Text[\\"$xlabel\\", Xlabel]"); |
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ENDXAXISLABELSCRIPT |
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} |
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if ($ylabel) { |
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$return.=(<<ENDYAXISLABELSCRIPT); |
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document.ggbApplet_$id.evalCommand("Ylabel=(AxisStepX[]/6,y(topRight)-AxisStepY[]/3)"); |
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document.ggbApplet_$id.setVisible("Ylabel",false); |
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document.ggbApplet_$id.evalCommand("Text[\\"$ylabel\\", Ylabel]"); |
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ENDYAXISLABELSCRIPT |
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} |
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return $return; |
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} |
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sub plot_script { |
sub plot_script { |
my ($id,$function,$fixed)=@_; |
my ($id,$function,$fixed)=@_; |
if ($fixed) { |
if ($fixed) { |
# Use stupid trick to nail this to a location |
# Use stupid trick to nail this to a location |
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# Oddly, it seems like only one plot cannot be nailed to a location |
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# Non-nailed-down plots apparently get overwritten |
return (<<ENDPLOTSCRIPT); |
return (<<ENDPLOTSCRIPT); |
document.ggbApplet_$id.evalCommand("a=1"); |
document.ggbApplet_$id.evalCommand("a=1"); |
document.ggbApplet_$id.setVisible("a",false); |
document.ggbApplet_$id.setVisible("a",false); |
Line 367 sub start_spline {
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Line 390 sub start_spline {
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} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result=&Apache::edit::tag_start($target,$token,'Spline'). |
$result=&Apache::edit::tag_start($target,$token,'Spline'). |
&Apache::edit::text_arg('Label:','label', |
&Apache::edit::text_arg('Label:','label', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::select_arg('Order:','order', |
&Apache::edit::select_arg('Order:','order', |
['2','3','4','5','6','7','8','9'],$token). |
['2','3','4','5','6','7','8','9'],$token).' '. |
&Apache::edit::text_arg('Initial x-value:','initx', |
&Apache::edit::text_arg('Initial x-value:','initx', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::text_arg('Initial y-value:','inity', |
&Apache::edit::text_arg('Initial y-value:','inity', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::text_arg('Scale x:','scalex', |
&Apache::edit::text_arg('Scale x:','scalex', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::text_arg('Scale y:','scaley', |
&Apache::edit::text_arg('Scale y:','scaley', |
$token,'4'). |
$token,'4'). |
&Apache::edit::end_row(); |
&Apache::edit::end_row(); |
Line 430 sub get_answer_from_form_fields {
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Line 453 sub get_answer_from_form_fields {
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return ($answer,%coords); |
return ($answer,%coords); |
} |
} |
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# |
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# The following functions calculate the cubic-hermite splines server-side |
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# |
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sub cubic_hermite { |
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my ($t,$p1,$s1,$p2,$s2)=@_; |
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return (2.*$t*$t*$t-3.*$t*$t+1.)*$p1 + 5.*($t*$t*$t-2.*$t*$t+$t)*($s1-$p1)+ |
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(-2.*$t*$t*$t+3.*$t*$t) *$p2 + 5.*($t*$t*$t-$t*$t) *($s2-$p2); |
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} |
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# |
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# d/dt(...) |
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# |
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sub ddt_cubic_hermite { |
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my ($t,$p1,$s1,$p2,$s2)=@_; |
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return (6.*$t*$t-6.*$t) *$p1 + 5.*(3.*$t*$t-4.*$t+1.)*($s1-$p1)+ |
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(-6.*$t*$t+6.*$t)*$p2 + 5.*(3.*$t*$t-2.*$t) *($s2-$p2); |
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} |
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# |
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# d^2/dt^2(...) |
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# |
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sub d2dt2_cubic_hermite { |
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my ($t,$p1,$s1,$p2,$s2)=@_; |
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return (12.*$t-6.) *$p1 + 5.*(6.*$t-4.)*($s1-$p1)+ |
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(-12.*$t+6.)*$p2 + 5.*(6.*$t-2.)*($s2-$p2); |
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} |
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# |
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# Implentation of <functionplotresponse> |
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# |
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sub start_functionplotresponse { |
sub start_functionplotresponse { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
Line 463 sub start_functionplotresponse {
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Line 520 sub start_functionplotresponse {
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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'); |
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my $xlabel=&Apache::lonxml::get_param('xlabel',$parstack,$safeeval); |
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my $ylabel=&Apache::lonxml::get_param('ylabel',$parstack,$safeeval); |
if ($target eq 'edit') { |
if ($target eq 'edit') { |
$result.=&Apache::edit::start_table($token) |
$result.=&Apache::edit::start_table($token) |
.'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>' |
.'<tr><td><span class="LC_nobreak">'.&mt('Function Plot Question').'</span></td>' |
Line 473 sub start_functionplotresponse {
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Line 532 sub start_functionplotresponse {
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.&Apache::edit::end_row() |
.&Apache::edit::end_row() |
.&Apache::edit::start_spanning_row() |
.&Apache::edit::start_spanning_row() |
."\n"; |
."\n"; |
$result.=&Apache::edit::text_arg('Minimum x-value:','xmin', |
$result.=&Apache::edit::text_arg('Label x-axis:','xlabel', |
$token,'4'). |
$token,'6').' '. |
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&Apache::edit::text_arg('Minimum x-value:','xmin', |
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$token,'4').' '. |
&Apache::edit::text_arg('Maximum x-value:','xmax', |
&Apache::edit::text_arg('Maximum x-value:','xmax', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::select_arg('x-axis visible:','xaxisvisible', |
&Apache::edit::select_arg('x-axis visible:','xaxisvisible', |
['yes','no'],$token). |
['yes','no'],$token).' '. |
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&Apache::edit::text_arg('Label y-axis:','ylabel', |
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$token,'6').' '. |
&Apache::edit::text_arg('Minimum y-value:','ymin', |
&Apache::edit::text_arg('Minimum y-value:','ymin', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::text_arg('Maximum y-value:','ymax', |
&Apache::edit::text_arg('Maximum y-value:','ymax', |
$token,'4'). |
$token,'4').' '. |
&Apache::edit::select_arg('y-axis visible:','yaxisvisible', |
&Apache::edit::select_arg('y-axis visible:','yaxisvisible', |
['yes','no'],$token). |
['yes','no'],$token).' '. |
&Apache::edit::select_arg('Grid visible:','gridvisible', |
&Apache::edit::select_arg('Grid visible:','gridvisible', |
['yes','no'],$token). |
['yes','no'],$token). |
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
$safeeval,'xmin','xmax','ymin','ymax', |
$safeeval,'xlabel','xmin','xmax','ylabel','ymin','ymax', |
'xaxisvisible','yaxisvisible','gridvisible'); |
'xaxisvisible','yaxisvisible','gridvisible'); |
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } |
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } |
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Line 503 sub start_functionplotresponse {
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Line 566 sub start_functionplotresponse {
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$result.=&start_init_script($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,$gridvisible); |
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$result.=&axes_label($internalid,$xlabel,$ylabel); |
# init script is left open |
# init script is left open |
} |
} |
return $result; |
return $result; |