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Diff for /loncom/homework/functionplotresponse.pm between versions 1.88 and 1.96

version 1.88, 2011/11/26 01:35:26 version 1.96, 2012/08/16 21:02:29
Line 38  BEGIN { Line 38  BEGIN {
   &Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',    &Apache::lonxml::register('Apache::functionplotresponse',('functionplotresponse','backgroundplot','spline',
                                                             'plotobject','plotvector',                                                              'plotobject','plotvector',
                                                             'functionplotvectorrule','functionplotvectorsumrule',                                                              'functionplotvectorrule','functionplotvectorsumrule',
                                                               'drawvectorsum',
                                                             'functionplotcustomrule',                                                              'functionplotcustomrule',
                                                             'functionplotrule','functionplotruleset',                                                              'functionplotrule','functionplotruleset',
                                                             'functionplotelements'));                                                              'functionplotelements'));
 }  }
   
 #  #
   # Use old Java or HTML5/Javascript for GeoGebra? Depends on browser!
   # Return a true value if HTML5 should be used.
   
   sub useHTML5 {
       return 0;
   }
   
   # Routines to start the applet (Java) or the HTML5/JavaScript
   #
 # There can be a number of applets on a page, each called ggbApplet_$id,   # There can be a number of applets on a page, each called ggbApplet_$id, 
 # where $id is the "_"-concatenated part and responseid  # where $id is the "_"-concatenated part and responseid
 #  #
   
 sub geogebra_startcode {  sub geogebra_startcode {
     my ($id,$width,$height)=@_;      my ($id,$width,$height)=@_;
       if (&useHTML5()) {
           return &html5_geogebra_startcode(@_);
       } else {
           return &java_geogebra_startcode(@_).
                  &java_geogebra_code_param();
       }
   }
   
   sub geogebra_endcode {
       unless (&useHTML5()) {
           return &java_geogebra_endcode();
       }
   }
   
   sub geogebra_default_parameters {
       my ($id)=@_;
       unless (&useHTML5()) {
           return &java_geogebra_default_parameters($id);
       }
   }
   # === Java code
   
   sub java_geogebra_startcode {
       my ($id,$width,$height)=@_;
     $width=int(1.*$width);      $width=int(1.*$width);
     $height=int(1.*$height);      $height=int(1.*$height);
     unless ($width) { $width=700; }      unless ($width) { $width=700; }
Line 61  sub geogebra_startcode { Line 95  sub geogebra_startcode {
 ENDSTARTCODE  ENDSTARTCODE
 }  }
   
 sub geogebra_endcode {  sub java_geogebra_endcode {
     return &Apache::lonhtmlcommon::java_not_enabled()."</applet>\n";      return &Apache::lonhtmlcommon::java_not_enabled()."</applet>\n";
 }  }
   
   sub java_geogebra_code_param {
       return '<param name="ggbBase64" value="'.&geogebra_internal_program().'" />';
   }
   
   # === HTML5 code
   
   sub html5_geogebra_startcode {
       my ($id,$width,$height)=@_;
       my $code=&geogebra_internal_program();
       return (<<ENDSTARTCODE);
   <article class="geogebraweb" data-param-enableLabelDrags="false" data-param-enableShiftDragZoom="false" 
   data-param-width="$width" data-param-height="$height" data-param-id="ggbApplet_$id" 
   data-param-ggbbase64="$code"></article>
   ENDSTARTCODE
   }
   
 #  #
 # This is the internal GeoGebra bytecode which defines the spline functions  # This is the internal GeoGebra bytecode which defines the spline functions
 #  #
 sub geogebra_spline_program {  sub geogebra_internal_program {
     return (<<ENDSPLINEPROGRAM);      return
 <param name="ggbBase64" 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 ENDSPLINEPROGRAM  
 }  }
   
 #  #
 # The standard set of parameters inside <applet>  # The standard set of parameters inside <applet>
 #  #
 sub geogebra_default_parameters {  sub java_geogebra_default_parameters {
    my ($id)=@_;     my ($id)=@_;
    return(<<ENDDEFAULTPARAMETERS);     return(<<ENDDEFAULTPARAMETERS);
         <param name="image" value="/adm/lonIcons/lonanim.gif"  />          <param name="image" value="/adm/lonIcons/lonanim.gif"  />
Line 119  sub init_script { Line 168  sub init_script {
       $script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)).        $script.="if (".join(' && ',map { "loaded_$_" } (@Apache::functionplotresponse::callscripts)).
                ") { setTimeout('ggbInitAll()',200) }";                 ") { setTimeout('ggbInitAll()',200) }";
       my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts));         my $calls=join("\n",map { "ggbInit_$_();" } (@Apache::functionplotresponse::callscripts)); 
         my $html5init='';
         if (&useHTML5()) {
             $html5init=
              '<script type="text/javascript" language="javascript" src="/adm/geogebra/html5/web/test42/web/web.nocache.js"></script>';
         }
       return (<<ENDGGBINIT);        return (<<ENDGGBINIT);
 <script type="text/javascript">  <script type="text/javascript">
 // <![CDATA[  // <![CDATA[
Line 410  sub plotobject_script { Line 464  sub plotobject_script {
 #  #
   
 sub plotvector_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) {     unless ($label) {
       $Apache::functionplotresponse::counter++;        $Apache::functionplotresponse::counter++;
       $label='V'.$Apache::functionplotresponse::counter;        $label='V'.$Apache::functionplotresponse::counter;
Line 421  sub plotvector_script { Line 475  sub plotvector_script {
    my $pointx=2.*($xmax-$xmin)+$xmax;     my $pointx=2.*($xmax-$xmin)+$xmax;
    my $anglelabel=$label.'Angle';     my $anglelabel=$label.'Angle';
    return      return 
        &new_point_coordinate($id,$startlabel,$xs,$ys,0).         &new_point_coordinate($id,$startlabel,$xs,$ys,$fixed).
        &new_point_coordinate($id,$endlabel,$xe,$ye,0).         &new_point_coordinate($id,$endlabel,$xe,$ye,$fixed).
        (<<ENDVECTOR);         (<<ENDVECTOR);
 document.ggbApplet_$id.evalCommand("$label=Vector[$startlabel,$endlabel]");  document.ggbApplet_$id.evalCommand("$label=Vector[$startlabel,$endlabel]");
 document.ggbApplet_$id.setLabelVisible("$label",true);  document.ggbApplet_$id.setLabelVisible("$label",true);
Line 550  sub start_plotvector { Line 604  sub start_plotvector {
    $label=~s/\W//gs;     $label=~s/\W//gs;
    $label=ucfirst($label);     $label=ucfirst($label);
    unless ($label) { $label="NewVector"; }     unless ($label) { $label="NewVector"; }
      if ($Apache::functionplotresponse::vectorlabels{$label}) {
          &Apache::lonxml::warning(&mt('Vector labels must be unique: [_1]',$label));
      }
      $Apache::functionplotresponse::vectorlabels{$label}=1;
    if ($target eq 'web') {     if ($target eq 'web') {
       my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);        my ($xmin,$xmax,$ymin,$ymax)=&boundaries($parstack,$safeeval,-3);
       unless (defined($tailx)) { $tailx=$xmin; }        unless (defined($tailx)) { $tailx=$xmin; }
       unless (defined($taily)) { $taily=$ymin; }        unless (defined($taily)) { $taily=$ymin; }
       unless (defined($tipx)) { $tipx=$xmin; }        unless (defined($tipx)) { $tipx=$xmin; }
       unless (defined($tipy)) { $tipy=$ymin; }        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 ($target eq 'edit') {     } elsif ($target eq 'edit') {
         $result=&Apache::edit::tag_start($target,$token,'Plot Vector').          $result=&Apache::edit::tag_start($target,$token,'Plot Vector').
              &Apache::edit::text_arg('Label on Plot:','label',               &Apache::edit::text_arg('Label on Plot:','label',
Line 589  sub end_plotvector { Line 649  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 ($thisvector) { next; }
                   unless ($Apache::functionplotresponse::vectorlabels{$thisvector}) {
                       &Apache::lonxml::warning(&mt('Vectors must be defined before using them for drawing vector sums: [_1]',$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" />  # <backgroundplot function="..." fixed="yes/no" />
Line 1216  sub start_functionplotresponse { Line 1365  sub start_functionplotresponse {
   undef %Apache::functionplotresponse::previous;    undef %Apache::functionplotresponse::previous;
   $Apache::functionplotresponse::inputfields='';    $Apache::functionplotresponse::inputfields='';
   $Apache::functionplotresponse::counter=0;    $Apache::functionplotresponse::counter=0;
   # Remember vectors
     undef %Apache::functionplotresponse::vectorlabels;
 # Remember rules  # Remember rules
   undef @Apache::functionplotresponse::functionplotrules;    undef @Apache::functionplotresponse::functionplotrules;
   undef @Apache::functionplotresponse::functionplotvectorrules;    undef @Apache::functionplotresponse::functionplotvectorrules;
Line 1289  sub start_functionplotresponse { Line 1440  sub start_functionplotresponse {
             ($env{'form.answer_output_mode'} ne 'tex') &&              ($env{'form.answer_output_mode'} ne 'tex') &&
             ($Apache::lonhomework::viewgrades == 'F')) {              ($Apache::lonhomework::viewgrades == 'F')) {
       my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();        my (undef,undef,$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;        $uname =~s/\W//g;
       $udom  =~s/\W//g;        $udom  =~s/\W//g;
       my $function_name =        my $function_name =
                 join('_','LONCAPA_scriptvars',$uname,$udom,                  join('_','LONCAPA_scriptvars',$uname,$udom,
                      $env{'form.counter'},$Apache::lonxml::curdepth);                       $env{'form.counter'},$Apache::lonxml::curdepth);
       my $rules_var ="<script type=\"text/javascript\">        &Apache::lonxml::add_script_result(
 // <![CDATA[            &Apache::loncommon::modal_adhoc_window($function_name,700,500,
     function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page<pre>".               '<pre>'.$Apache::functionplotresponse::ruleslog.'</pre>',
     $Apache::functionplotresponse::ruleslog.                &mt('Rules Log'))."<br />");
     "<\\/pre>$end_page');newWindow.document.close();newWindow.focus()}    }
 // ]]>  
 </script><a href=\"javascript:$function_name();void(0);\">".&mt('Rules Log')."</a><br />";  
             &Apache::lonxml::add_script_result($rules_var);  
         }  
   
   return $result;    return $result;
 }  }
   
Line 1680  sub functionplotrulecheck { Line 1820  sub functionplotrulecheck {
 #  #
 # Evaluate the value  # Evaluate the value
 #  #
    if ($value=~/\D/) {     if (($value=~/\D/) && ($value ne 'undef')) {
       $Apache::functionplotresponse::fpr_xmin=$xmin;        $Apache::functionplotresponse::fpr_xmin=$xmin;
       $Apache::functionplotresponse::fpr_xmax=$xmax;        $Apache::functionplotresponse::fpr_xmax=$xmax;
       $value=&Apache::run::run($value,$safeeval);        $value=&Apache::run::run($value,$safeeval);
Line 1997  sub end_functionplotelements { Line 2137  sub end_functionplotelements {
      $result.=&geogebra_startcode($internalid,       $result.=&geogebra_startcode($internalid,
                                   &Apache::lonxml::get_param('width',$parstack,$safeeval,-2),                                    &Apache::lonxml::get_param('width',$parstack,$safeeval,-2),
                                   &Apache::lonxml::get_param('height',$parstack,$safeeval,-2));                                    &Apache::lonxml::get_param('height',$parstack,$safeeval,-2));
 # load the spline bytecode  
      $result.=&geogebra_spline_program();  
 # set default parameters  # set default parameters
      $result.=&geogebra_default_parameters($internalid);       $result.=&geogebra_default_parameters($internalid);
 # close the <applet>-tag  # close the <applet>-tag
Removed from v.1.88  
changed lines
  Added in v.1.96

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