version 1.5, 2010/10/04 20:47:29
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version 1.6, 2010/10/05 00:10:07
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Line 33 use Apache::lonlocal;
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Line 33 use Apache::lonlocal;
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use Apache::lonnet; |
use Apache::lonnet; |
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BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot')); |
&Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline')); |
} |
} |
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# |
# |
Line 139 ENDUPDATESCRIPT
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Line 139 ENDUPDATESCRIPT
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sub update_register { |
sub update_register { |
my ($id,$variable)=@_; |
my ($id,$variable)=@_; |
return "document.ggbApplet_$id.registerObjectUpdateListener('$variable','updatePointCoordinates_$id')"; |
return "document.ggbApplet_$id.registerObjectUpdateListener('$variable','updatePointCoordinates_$id');\n"; |
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} |
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# |
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# Set a coordinate variable |
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# |
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sub set_coordinate { |
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my ($id,$variable,$x,$y)=@_; |
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return (<<ENDSETVARIABLE); |
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coordinateMap_$id\['$variable.x'] = $x; |
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coordinateMap_$id\['$variable.y'] = $y; |
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document.ggbApplet_$id.evalCommand("$variable=("+coordinateMap_$id\["$variable.x"]+","+coordinateMap_$id\["$variable.y"]+")"); |
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ENDSETVARIABLE |
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} |
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# |
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# Initialize a new coordinate variable at set a listener on it |
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# |
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sub new_coordinate { |
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my ($id,$variable,$x,$y)=@_; |
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return &set_coordinate($id,$variable,$x,$y).&update_register($id,$variable); |
} |
} |
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# |
# |
Line 179 ENDAXESSCRIPT
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Line 199 ENDAXESSCRIPT
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} |
} |
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sub plot_script { |
sub plot_script { |
my ($id,$function)=@_; |
my ($id,$function,$fixed)=@_; |
return (<<ENDPLOTSCRIPT); |
if ($fixed) { |
document.ggbApplet_$id.evalCommand("y=$function"); |
# Use stupid trick to nail this to a location |
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return (<<ENDPLOTSCRIPT); |
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document.ggbApplet_$id.evalCommand("a=1"); |
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document.ggbApplet_$id.setVisible("a",false); |
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// This MUST be a DEPENDENT OBJECT in order to be locked down: |
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document.ggbApplet_$id.evalCommand("y=a*($function)"); |
ENDPLOTSCRIPT |
ENDPLOTSCRIPT |
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} else { |
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return "document.ggbApplet_$id.evalCommand('y=$function')"; |
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} |
} |
} |
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# |
# |
# <backgroundplot function="..." /> |
# Subroutine that generates spline $label based on stored information |
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# |
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sub generate_spline { |
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my ($id,$label)=@_; |
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my $result=''; |
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return $result; |
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} |
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# |
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# <backgroundplot function="..." fixed="yes/no" /> |
# |
# |
sub start_backgroundplot { |
sub start_backgroundplot { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1]; |
my $internalid = $Apache::inputtags::part.'_'.$Apache::inputtags::response[-1]; |
my $function=&Apache::lonxml::get_param('function',$parstack,$safeeval); |
my $function=&Apache::lonxml::get_param('function',$parstack,$safeeval); |
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my $fixed=(&Apache::lonxml::get_param('fixed',$parstack,$safeeval)=~/on|true|yes|1/i?1:0); |
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unless ($function) { $function="0"; } |
unless ($function) { $function="0"; } |
if ($target eq 'web') { |
if ($target eq 'web') { |
$result.=&plot_script($internalid,$function); |
$result.=&plot_script($internalid,$function,$fixed); |
} |
} |
return $result; |
return $result; |
} |
} |
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sub end_backgroundplot { |
sub end_backgroundplot { |
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return ''; |
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} |
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# |
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# <spline label="..." order="1,2,3,4" initx="..." inity="..." scalex="..." scaley="..." /> |
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# |
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# Unfortunately, GeoGebra seems to want all splines after everything else, so we need to store them |
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# |
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sub start_spline { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $label=&Apache::lonxml::get_param('label',$parstack,$safeeval); |
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$Apache::functionplotresponse::counter++; |
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unless ($label) { $label='S'.$Apache::functionplotresponse::counter; } |
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my $order=&Apache::lonxml::get_param('order',$parstack,$safeeval); |
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if (($order<2) || ($order>4)) { $order=2; } |
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$Apache::functionplotresponse::splineorder{$label}=$order; |
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my $x=&Apache::lonxml::get_param('initx',$parstack,$safeeval); |
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unless ($x) { $x=0; } |
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$Apache::functionplotresponse::splineinitx{$label}=$x; |
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my $y=&Apache::lonxml::get_param('inity',$parstack,$safeeval); |
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unless ($y) { $y=0; } |
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$Apache::functionplotresponse::splineinity{$label}=$y; |
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my $sx=&Apache::lonxml::get_param('scalex',$parstack,$safeeval); |
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unless ($sx) { $sx=$order; } |
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$Apache::functionplotresponse::splinescalex{$label}=$sx; |
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my $sy=&Apache::lonxml::get_param('scaley',$parstack,$safeeval); |
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unless ($sy) { $sy=2; } |
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$Apache::functionplotresponse::splinescaley{$label}=$sy; |
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} |
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sub end_spline { |
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return ''; |
} |
} |
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sub end_init_script { |
sub end_init_script { |
Line 214 ENDENDINIT
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Line 290 ENDENDINIT
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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 $result=''; |
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# To remember the splines - somehow, they need to come last |
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undef %Apache::functionplotresponse::splineorder; |
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undef %Apache::functionplotresponse::splineinitx; |
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undef %Apache::functionplotresponse::splineinity; |
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undef %Apache::functionplotresponse::splinescalex; |
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undef %Apache::functionplotresponse::splinescaley; |
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$Apache::functionplotresponse::counter=0; |
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# Internal ID to mark the applet and its coordinates |
my $internalid = $Apache::inputtags::part.'_'.&Apache::response::start_response($parstack,$safeeval); |
my $internalid = $Apache::inputtags::part.'_'.&Apache::response::start_response($parstack,$safeeval); |
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# Parameters of <functionplotresponse> |
my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval); |
my $xmin=&Apache::lonxml::get_param('xmin',$parstack,$safeeval); |
$xmin=($xmin?$xmin:-10); |
$xmin=($xmin?$xmin:-10); |
my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval); |
my $xmax=&Apache::lonxml::get_param('xmax',$parstack,$safeeval); |
Line 223 sub start_functionplotresponse {
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Line 308 sub start_functionplotresponse {
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$ymin=($ymin?$ymin:-10); |
$ymin=($ymin?$ymin:-10); |
my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval); |
my $ymax=&Apache::lonxml::get_param('ymax',$parstack,$safeeval); |
$ymax=($ymax?$ymax:10); |
$ymax=($ymax?$ymax:10); |
my $xaxisvisible=(&Apache::lonxml::get_param('xaxisvisible',$parstack,$safeeval)=~/on|true|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|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|1/i?'true':'false'); |
my $gridvisible=(&Apache::lonxml::get_param('gridvisible',$parstack,$safeeval)=~/on|true|yes|1/i?'true':'false'); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
# paste in the update routine to receive stuff back from the applet |
# paste in the update routine to receive stuff back from the applet |
Line 248 sub end_functionplotresponse {
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Line 333 sub end_functionplotresponse {
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# if ($target eq 'edit') { $result=&Apache::edit::end_table(); } |
# if ($target eq 'edit') { $result=&Apache::edit::end_table(); } |
if ($target eq 'web') { |
if ($target eq 'web') { |
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# Now is the time to render all of the stored splines |
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foreach my $label (keys(%Apache::functionplotresponse::splineorder)) { |
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$result.=&generate_spline($internalid,$label); |
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} |
# close the init script |
# close the init script |
$result.=&end_init_script(); |
$result.=&end_init_script(); |
# actually start the <applet>-tag |
# actually start the <applet>-tag |