version 1.18, 2001/12/27 15:00:45
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version 1.27, 2001/12/31 17:30:09
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Line 26
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Line 26
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# 12/15/01 Matthew |
# 12/15/01 Matthew |
# 12/17 12/18 12/19 12/20 12/21 Matthew |
# 12/17 12/18 12/19 12/20 12/21 12/27 12/28 12/30 Matthew |
package Apache::lonplot; |
package Apache::lonplot; |
|
|
use strict; |
use strict; |
use Apache::File; |
use Apache::File; |
use Apache::response; |
use Apache::response; |
use Apache::lonxml; |
use Apache::lonxml; |
|
use Apache::edit; |
use Digest::MD5 qw(md5_base64); |
|
|
|
sub BEGIN { |
sub BEGIN { |
&Apache::lonxml::register('Apache::lonplot',('plot')); |
&Apache::lonxml::register('Apache::lonplot',('plot')); |
Line 53 sub BEGIN {
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Line 52 sub BEGIN {
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## grid |
## grid |
## border |
## border |
## font |
## font |
|
## align |
## |
## |
## @labels: $labels[$i] = \%label |
## @labels: $labels[$i] = \%label |
## %label: text, xpos, ypos, justify |
## %label: text, xpos, ypos, justify |
Line 63 sub BEGIN {
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Line 63 sub BEGIN {
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## $curves[$i]->{'data'} = [ [x1,x2,x3,x4], |
## $curves[$i]->{'data'} = [ [x1,x2,x3,x4], |
## [y1,y2,y3,y4] ] |
## [y1,y2,y3,y4] ] |
## |
## |
##------------------------------------------------------------ |
|
## |
################################################################### |
## Tests used in checking the validitity of input |
## ## |
## |
## Tests used in checking the validitity of input ## |
|
## ## |
|
################################################################### |
my $int_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^\d+$/}; |
my $int_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^\d+$/}; |
my $real_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*$/}; |
my $real_test = |
|
sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*([eE][+-]\d+)?$/}; |
my $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^x[\da-f]{6}$/}; |
my $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^x[\da-f]{6}$/}; |
my $onoff_test = sub {$_[0]=~/^(on|off)$/}; |
my $onoff_test = sub {$_[0]=~/^(on|off)$/}; |
my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/}; |
my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/}; |
my $sml_test = sub {$_[0]=~/^(small|medium|large)$/}; |
my $sml_test = sub {$_[0]=~/^(small|medium|large)$/}; |
my $linestyle_test = sub {$_[0]=~/^(lines|linespoints|dots|points|steps)$/}; |
my $linestyle_test = sub {$_[0]=~/^(lines|linespoints|dots|points|steps)$/}; |
my $words_test = sub {$_[0]=~s/\s+/ /g;$_[0]=~/^([\w\(\)]+ ?)+$/}; |
my $words_test = sub {$_[0]=~s/\s+/ /g;$_[0]=~/^([\w\(\)]+ ?)+$/}; |
## |
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## Default values for attributes of elements |
################################################################### |
## |
## ## |
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## Attribute metadata ## |
|
## ## |
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################################################################### |
my %plot_defaults = |
my %plot_defaults = |
( |
( |
height => {default => 200, test => $int_test }, |
height => { |
width => {default => 200, test => $int_test }, |
default => 200, |
bgcolor => {default => 'xffffff', test => $color_test }, |
test => $int_test, |
fgcolor => {default => 'x000000', test => $color_test }, |
description => 'vertical size of image (pixels)', |
transparent => {default => 'off', test => $onoff_test }, |
edit_type => 'entry' |
grid => {default => 'off', test => $onoff_test }, |
}, |
border => {default => 'on', test => $onoff_test }, |
width => { |
font => {default => 'medium', test => $sml_test }, |
default => 200, |
align => {default => 'left', test => $words_test } |
test => $int_test, |
|
description => 'horizontal size of image (pixels)', |
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edit_type => 'entry' |
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}, |
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bgcolor => { |
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default => 'xffffff', |
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test => $color_test, |
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description => 'background color of image (xffffff)', |
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edit_type => 'entry' |
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}, |
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fgcolor => { |
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default => 'x000000', |
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test => $color_test, |
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description => 'foreground color of image (x000000)', |
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edit_type => 'entry' |
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}, |
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transparent => { |
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default => 'off', |
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test => $onoff_test, |
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description => '', |
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edit_type => 'on_off' |
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}, |
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grid => { |
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default => 'off', |
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test => $onoff_test, |
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description => '', |
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edit_type => 'on_off' |
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}, |
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border => { |
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default => 'on', |
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test => $onoff_test, |
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description => '', |
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edit_type => 'on_off' |
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}, |
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font => { |
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default => 'medium', |
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test => $sml_test, |
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description => 'Size of font to use', |
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edit_type => 'choice', |
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choices => ['small','medium','large'] |
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}, |
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align => { |
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default => 'left', |
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test => sub {$_[0]=~/^(left|right|center)$/}, |
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description => 'alignment for image in html', |
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edit_type => 'choice', |
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choices => ['left','right','center'] |
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} |
); |
); |
|
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my %key_defaults = |
my %key_defaults = |
( |
( |
title => { default => '', test => $words_test }, |
title => { |
box => { default => 'off', test => $onoff_test }, |
default => '', |
pos => { default => 'top right', test => $key_pos_test } |
test => $words_test, |
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description => 'Title of key', |
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edit_type => 'entry' |
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}, |
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box => { |
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default => 'off', |
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test => $onoff_test, |
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description => 'Draw a box around the key?', |
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edit_type => 'on_off' |
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}, |
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pos => { |
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default => 'top right', |
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test => $key_pos_test, |
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description => 'position of the key on the plot', |
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edit_type => 'choice', |
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choices => ['top left','top right','bottom left','bottom right', |
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'outside','below'] |
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} |
); |
); |
|
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my %label_defaults = |
my %label_defaults = |
( |
( |
xpos => {default => 0, test => $real_test }, |
xpos => { |
ypos => {default => 0, test => $real_test }, |
default => 0, |
justify => {default => 'left', |
test => $real_test, |
test => sub {$_[0]=~/^(left|right|center)$/} } |
description => 'x position of label (graph coordinates)', |
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edit_type => 'entry' |
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}, |
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ypos => { |
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default => 0, |
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test => $real_test, |
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description => 'y position of label (graph coordinates)', |
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edit_type => 'entry' |
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}, |
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justify => { |
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default => 'left', |
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test => sub {$_[0]=~/^(left|right|center)$/}, |
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description => 'justification of the label text on the plot', |
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edit_type => 'choice', |
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choices => ['left','right','center'] |
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} |
); |
); |
|
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my %axis_defaults = |
my %axis_defaults = |
( |
( |
color => {default => 'x000000', test => $color_test}, |
color => { |
xmin => {default => '-10.0', test => $real_test }, |
default => 'x000000', |
xmax => {default => ' 10.0', test => $real_test }, |
test => $color_test, |
ymin => {default => '-10.0', test => $real_test }, |
description => 'color of axes (x000000)', |
ymax => {default => ' 10.0', test => $real_test }, |
edit_type => 'entry' |
linestyle => {default => 'points', test => $linestyle_test} |
}, |
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xmin => { |
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default => '-10.0', |
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test => $real_test, |
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description => 'minimum x-value shown in plot', |
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edit_type => 'entry' |
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}, |
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xmax => { |
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default => ' 10.0', |
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test => $real_test, |
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description => 'maximum x-value shown in plot', |
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edit_type => 'entry' |
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}, |
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ymin => { |
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default => '-10.0', |
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test => $real_test, |
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description => 'minimum y-value shown in plot', |
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edit_type => 'entry' |
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}, |
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ymax => { |
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default => ' 10.0', |
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test => $real_test, |
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description => 'maximum y-value shown in plot', |
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edit_type => 'entry' |
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}, |
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linestyle => { |
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default => 'points', |
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test => $linestyle_test, |
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description => 'Style of the axis lines', |
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edit_type => 'choice', |
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choices => ['lines','linespoints','dots','points'] |
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} |
); |
); |
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my %curve_defaults = |
my %curve_defaults = |
( |
( |
color => {default => 'x000000', test => $color_test }, |
color => { |
name => {default => '', test => $words_test }, |
default => 'x000000', |
linestyle => {default => 'lines', test => $linestyle_test } |
test => $color_test, |
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description => 'color of curve (x000000)', |
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edit_type => 'entry' |
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}, |
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name => { |
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default => '', |
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test => $words_test, |
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description => 'name of curve to appear in key', |
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edit_type => 'entry' |
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}, |
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linestyle => { |
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default => 'lines', |
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test => $linestyle_test, |
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description => 'Style of the axis lines', |
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edit_type => 'choice', |
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choices => ['lines','linespoints','dots','points','steps'] |
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} |
); |
); |
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## |
################################################################### |
## End of defaults |
## ## |
## |
## parsing and edit rendering ## |
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## ## |
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################################################################### |
my (%plot,%key,%axis,$title,$xlabel,$ylabel,@labels,@curves); |
my (%plot,%key,%axis,$title,$xlabel,$ylabel,@labels,@curves); |
|
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sub start_plot { |
sub start_plot { |
%plot = undef; %key = undef; %axis = undef; |
%plot = (); %key = (); %axis = (); |
$title = undef; $xlabel = undef; $ylabel = undef; |
$title = undef; $xlabel = undef; $ylabel = undef; |
$#labels = -1; $#curves = -1; |
$#labels = -1; $#curves = -1; |
# |
# |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
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&Apache::lonxml::register('Apache::lonplot', |
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('title','xlabel','ylabel','key','axis','label','curve')); |
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push (@Apache::lonxml::namespace,'plot'); |
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my $inside = &Apache::lonxml::get_all_text("/plot",$$parser[-1]); |
if ($target eq 'web') { |
if ($target eq 'web') { |
&Apache::lonxml::register('Apache::lonplot', |
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('title','xlabel','ylabel','key','axis','label','curve')); |
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push (@Apache::lonxml::namespace,'plot'); |
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## Always evaluate the insides of the <plot></plot> tags |
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my $inside = &Apache::lonxml::get_all_text("/plot",$$parser[-1]); |
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$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
&Apache::lonxml::newparser($parser,\$inside); |
} |
##------------------------------------------------------- |
&Apache::lonxml::newparser($parser,\$inside); |
|
if ($target eq 'web') { |
&get_attributes(\%plot,\%plot_defaults,$parstack,$safeeval, |
&get_attributes(\%plot,\%plot_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
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} elsif ($target eq 'edit') { |
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$result .= &Apache::edit::tag_start($target,$token,'Plot'); |
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$result .= &edit_attributes($target,$token,\%plot_defaults); |
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} elsif ($target eq 'modified') { |
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my $constructtag=&Apache::edit::get_new_args |
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($token,$parstack,$safeeval,keys(%plot_defaults)); |
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if ($constructtag) { |
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$result = &Apache::edit::rebuild_tag($token); |
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# $result.= &Apache::edit::handle_insert(); |
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} |
} |
} |
return ''; |
return $result; |
} |
} |
|
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sub end_plot { |
sub end_plot { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
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pop @Apache::lonxml::namespace; |
pop @Apache::lonxml::namespace; |
&Apache::lonxml::deregister('Apache::lonplot', |
&Apache::lonxml::deregister('Apache::lonplot', |
('title','xlabel','ylabel','key','axis','label','curve')); |
('title','xlabel','ylabel','key','axis','label','curve')); |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
## |
&check_inputs(); # Make sure we have all the data we need |
## Make sure we have all the input we need: |
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if (! defined(%plot )) { &set_defaults(\%plot,\%plot_defaults); } |
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if (! defined(%key )) {} # No key for this plot |
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if (! defined(%axis )) { &set_defaults(\%axis,\%axis_defaults); } |
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if (! defined($title )) {} # No title for this plot |
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if (! defined($xlabel)) {} # No xlabel for this plot |
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if (! defined($ylabel)) {} # No ylabel for this plot |
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if ($#labels < 0) { } # No labels for this plot |
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if ($#curves < 0) { |
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&Apache::lonxml::warning("No curves specified for plot!!!!"); |
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return ''; |
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} |
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my $curve; |
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foreach $curve (@curves) { |
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if (!defined($curve->{'function'})&&!defined($curve->{'data'})){ |
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&Apache::lonxml::warning("One of the curves specified did not contain any <data> or <function> declarations\n"); |
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return ''; |
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} |
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} |
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## |
## |
## Determine filename |
## Determine filename |
my $tmpdir = '/home/httpd/perl/tmp/'; |
my $tmpdir = '/home/httpd/perl/tmp/'; |
Line 194 sub end_plot {
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Line 320 sub end_plot {
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align = "$plot{'align'}" |
align = "$plot{'align'}" |
alt = "/cgi-bin/plot.gif?$filename" /> |
alt = "/cgi-bin/plot.gif?$filename" /> |
ENDIMAGE |
ENDIMAGE |
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} elsif ($target eq 'edit') { |
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$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 205 sub start_key {
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Line 333 sub start_key {
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if ($target eq 'web') { |
if ($target eq 'web') { |
&get_attributes(\%key,\%key_defaults,$parstack,$safeeval, |
&get_attributes(\%key,\%key_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
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$result .= &Apache::edit::tag_start($target,$token,'Plot Key'); |
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$result .= &edit_attributes($target,$token,\%key_defaults); |
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} elsif ($target eq 'modified') { |
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my $constructtag=&Apache::edit::get_new_args |
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($token,$parstack,$safeeval,keys(%key_defaults)); |
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if ($constructtag) { |
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$result = &Apache::edit::rebuild_tag($token); |
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$result.= &Apache::edit::handle_insert(); |
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} |
} |
} |
return $result; |
return $result; |
} |
} |
Line 214 sub end_key {
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Line 351 sub end_key {
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
|
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##------------------------------------------------------------------- title |
##------------------------------------------------------------------- title |
sub start_title { |
sub start_title { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$title = &Apache::lonxml::get_all_text("/title",$$parser[-1]); |
$title = &Apache::lonxml::get_all_text("/title",$$parser[-1]); |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
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$result.=&Apache::edit::tag_start($target,$token,'Plot Title'); |
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my $text=&Apache::lonxml::get_all_text("/title",$$parser[-1]); |
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$result.='</td></tr><tr><td colspan="3">'. |
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&Apache::edit::editfield('',$text,'',20,1); |
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} elsif ($target eq 'modified') { |
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my $text=$$parser[-1]->get_text("/function"); |
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$result.=&Apache::edit::modifiedfield($token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 233 sub end_title {
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Line 379 sub end_title {
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 243 sub start_xlabel {
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Line 390 sub start_xlabel {
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my $result=''; |
my $result=''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$xlabel = &Apache::lonxml::get_all_text("/xlabel",$$parser[-1]); |
$xlabel = &Apache::lonxml::get_all_text("/xlabel",$$parser[-1]); |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_start($target,$token,'Plot Xlabel'); |
|
my $text=&Apache::lonxml::get_all_text("/xlabel",$$parser[-1]); |
|
$result.='</td></tr><tr><td colspan="3">'. |
|
&Apache::edit::editfield('',$text,'',20,1); |
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} elsif ($target eq 'modified') { |
|
my $text=$$parser[-1]->get_text("/function"); |
|
$result.=&Apache::edit::modifiedfield($token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 252 sub end_xlabel {
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Line 406 sub end_xlabel {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
##------------------------------------------------------------------- ylabel |
##------------------------------------------------------------------- ylabel |
sub start_ylabel { |
sub start_ylabel { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
$ylabel = &Apache::lonxml::get_all_text("/ylabel",$$parser[-1]); |
$ylabel = &Apache::lonxml::get_all_text("/ylabel",$$parser[-1]); |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::tag_start($target,$token,'Plot Ylabel'); |
|
my $text = &Apache::lonxml::get_all_text("/ylabel",$$parser[-1]); |
|
$result .= '</td></tr><tr><td colspan="3">'. |
|
&Apache::edit::editfield('',$text,'',20,1); |
|
} elsif ($target eq 'modified') { |
|
my $text=$$parser[-1]->get_text("/function"); |
|
$result.=&Apache::edit::modifiedfield($token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 271 sub end_ylabel {
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Line 434 sub end_ylabel {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
##------------------------------------------------------------------- label |
##------------------------------------------------------------------- label |
sub start_label { |
sub start_label { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
Line 289 sub start_label {
|
Line 454 sub start_label {
|
$label{'text'} = 'Illegal text'; |
$label{'text'} = 'Illegal text'; |
} |
} |
push(@labels,\%label); |
push(@labels,\%label); |
|
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::tag_start($target,$token,'Plot Label'); |
|
$result .= &edit_attributes($target,$token,\%label_defaults); |
|
my $text = &Apache::lonxml::get_all_text("/label",$$parser[-1]); |
|
$result .= '</td></tr><tr><td colspan="3">'. |
|
&Apache::edit::editfield('',$text,'',20,1); |
|
} elsif ($target eq 'modified') { |
|
my $constructtag=&Apache::edit::get_new_args |
|
($token,$parstack,$safeeval,keys(%label_defaults)); |
|
if ($constructtag) { |
|
$result = &Apache::edit::rebuild_tag($token); |
|
$result.= &Apache::edit::handle_insert(); |
|
} |
|
my $text=$$parser[-1]->get_text("/label"); |
|
$result.=&Apache::edit::modifiedfield($token); |
} |
} |
# This routine should never return anything. |
|
return $result; |
return $result; |
} |
} |
|
|
Line 298 sub end_label {
|
Line 477 sub end_label {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_end($target,$token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 307 sub end_label {
|
Line 487 sub end_label {
|
sub start_curve { |
sub start_curve { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
|
&Apache::lonxml::register('Apache::lonplot',('function','data')); |
|
push (@Apache::lonxml::namespace,'curve'); |
if ($target eq 'web') { |
if ($target eq 'web') { |
my %curve; |
my %curve; |
&get_attributes(\%curve,\%curve_defaults,$parstack,$safeeval, |
&get_attributes(\%curve,\%curve_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
push (@curves,\%curve); |
push (@curves,\%curve); |
&Apache::lonxml::register('Apache::lonplot',('function','data')); |
} elsif ($target eq 'edit') { |
push (@Apache::lonxml::namespace,'curve'); |
$result .= &Apache::edit::tag_start($target,$token,'Curve'); |
# This routine should never return anything. |
$result .= &edit_attributes($target,$token,\%curve_defaults); |
|
} elsif ($target eq 'modified') { |
|
my $constructtag=&Apache::edit::get_new_args |
|
($token,$parstack,$safeeval,keys(%label_defaults)); |
|
if ($constructtag) { |
|
$result = &Apache::edit::rebuild_tag($token); |
|
$result.= &Apache::edit::handle_insert(); |
|
} |
} |
} |
return $result; |
return $result; |
} |
} |
Line 322 sub start_curve {
|
Line 511 sub start_curve {
|
sub end_curve { |
sub end_curve { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
|
pop @Apache::lonxml::namespace; |
|
&Apache::lonxml::deregister('Apache::lonplot',('function','data')); |
if ($target eq 'web') { |
if ($target eq 'web') { |
pop @Apache::lonxml::namespace; |
} elsif ($target eq 'edit') { |
&Apache::lonxml::deregister('Apache::lonplot',('function','data')); |
$result.=&Apache::edit::tag_end($target,$token); |
# This routine should never return anything. |
|
} |
} |
return $result; |
return $result; |
} |
} |
|
|
##------------------------------------------------------------ curve function |
##------------------------------------------------------------ curve function |
sub start_function { |
sub start_function { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
Line 340 sub start_function {
|
Line 531 sub start_function {
|
} |
} |
$curves[-1]->{'function'} = |
$curves[-1]->{'function'} = |
&Apache::lonxml::get_all_text("/function",$$parser[-1]); |
&Apache::lonxml::get_all_text("/function",$$parser[-1]); |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::tag_start($target,$token,'Curve Function'); |
|
my $text = &Apache::lonxml::get_all_text("/function",$$parser[-1]); |
|
$result .= '</td></tr><tr><td colspan="3">'. |
|
&Apache::edit::editfield('',$text,'',20,1); |
|
} elsif ($target eq 'modified') { |
|
# Why do I do this? |
|
my $text=$$parser[-1]->get_text("/function"); |
|
$result.=&Apache::edit::modifiedfield($token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 349 sub end_function {
|
Line 548 sub end_function {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::end_table(); |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
##------------------------------------------------------------ curve data |
##------------------------------------------------------------ curve data |
sub start_data { |
sub start_data { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
Line 365 sub start_data {
|
Line 566 sub start_data {
|
delete($curves[-1]->{'function'}); |
delete($curves[-1]->{'function'}); |
} |
} |
my $datatext = &Apache::lonxml::get_all_text("/data",$$parser[-1]); |
my $datatext = &Apache::lonxml::get_all_text("/data",$$parser[-1]); |
&Apache::lonxml::warning( |
|
' Length of data string: '.length($datatext)); |
|
$datatext =~ s/\s+/ /g; |
$datatext =~ s/\s+/ /g; |
# Need to do some error checking on the @data array - |
# Need to do some error checking on the @data array - |
# make sure it's all numbers and make sure each array |
# make sure it's all numbers and make sure each array |
Line 377 sub start_data {
|
Line 576 sub start_data {
|
} else { # Assume it's space seperated. |
} else { # Assume it's space seperated. |
@data = split / /,$datatext; |
@data = split / /,$datatext; |
} |
} |
&Apache::lonxml::warning(' Data Points: '.$#data); |
|
for (my $i=0;$i<=$#data;$i++) { |
for (my $i=0;$i<=$#data;$i++) { |
# Check that it's non-empty |
# Check that it's non-empty |
|
if (! defined($data[$i])) { |
|
&Apache::lonxml::warning( |
|
'undefined <data> value. Replacing with '. |
|
' pi/e = 1.15572734979092'); |
|
$data[$i] = 1.15572734979092; |
|
} |
# Check that it's a number |
# Check that it's a number |
# Maybe I need a 'debug=on' switch to list the data set |
if (! &$real_test($data[$i]) & ! &$int_test($data[$i])) { |
# out in a warning? |
&Apache::lonxml::warning( |
|
'Bad <data> value of '.$data[$i].' Replacing with '. |
|
' pi/e = 1.15572734979092'); |
|
$data[$i] = 1.15572734979092; |
|
} |
} |
} |
push @{$curves[-1]->{'data'}},\@data; |
push @{$curves[-1]->{'data'}},\@data; |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::tag_start($target,$token,'Curve Data'); |
|
my $text = &Apache::lonxml::get_all_text("/data",$$parser[-1]); |
|
$result .= '</td></tr><tr><td colspan="3">'. |
|
&Apache::edit::editfield('',$text,'',20,1); |
|
} elsif ($target eq 'modified') { |
|
my $text=$$parser[-1]->get_text("/data"); |
|
$result.=&Apache::edit::modifiedfield($token); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 394 sub end_data {
|
Line 609 sub end_data {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::end_table(); |
} |
} |
return $result; |
return $result; |
} |
} |
Line 406 sub start_axis {
|
Line 622 sub start_axis {
|
if ($target eq 'web') { |
if ($target eq 'web') { |
&get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval, |
&get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval, |
$tagstack->[-1]); |
$tagstack->[-1]); |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result .= &Apache::edit::tag_start($target,$token,'Plot Axes'); |
|
$result .= &edit_attributes($target,$token,\%axis_defaults); |
|
} elsif ($target eq 'modified') { |
} |
} |
return $result; |
return $result; |
} |
} |
Line 415 sub end_axis {
|
Line 634 sub end_axis {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
} elsif ($target eq 'edit') { |
|
$result.=&Apache::edit::tag_end($target,$token); |
|
} elsif ($target eq 'modified') { |
|
my $constructtag=&Apache::edit::get_new_args |
|
($token,$parstack,$safeeval,keys(%axis_defaults)); |
|
if ($constructtag) { |
|
$result = &Apache::edit::rebuild_tag($token); |
|
$result.= &Apache::edit::handle_insert(); |
|
} |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
|
################################################################### |
|
## ## |
|
## Utility Functions ## |
|
## ## |
|
################################################################### |
|
|
##----------------------------------------------------------- set_defaults |
##----------------------------------------------------------- set_defaults |
sub set_defaults { |
sub set_defaults { |
my $var = shift; |
my ($var,$defaults) = @_; |
my $defaults = shift; |
|
my $key; |
my $key; |
foreach $key (keys %$defaults) { |
foreach $key (keys(%$defaults)) { |
$var->{$key} = $defaults->{$key}->{'default'}; |
$var->{$key} = $defaults->{$key}->{'default'}; |
} |
} |
} |
} |
|
|
##------------------------------------------------------------------- misc |
##------------------------------------------------------------------- misc |
sub get_attributes{ |
sub get_attributes{ |
my $values = shift; |
my ($values,$defaults,$parstack,$safeeval,$tag) = @_; |
my $defaults = shift; |
foreach my $attr (keys(%{$defaults})) { |
my $parstack = shift; |
|
my $safeeval = shift; |
|
my $tag = shift; |
|
my $attr; |
|
foreach $attr (keys %{$defaults}) { |
|
$values->{$attr} = |
$values->{$attr} = |
&Apache::lonxml::get_param($attr,$parstack,$safeeval); |
&Apache::lonxml::get_param($attr,$parstack,$safeeval); |
if ($values->{$attr} eq '' | !defined($values->{$attr})) { |
if ($values->{$attr} eq '' | !defined($values->{$attr})) { |
Line 485 sub write_gnuplot_file {
|
Line 712 sub write_gnuplot_file {
|
$gnuplot_input .= "set title \"$title\"\n" if (defined($title)) ; |
$gnuplot_input .= "set title \"$title\"\n" if (defined($title)) ; |
$gnuplot_input .= "set xlabel \"$xlabel\"\n" if (defined($xlabel)); |
$gnuplot_input .= "set xlabel \"$xlabel\"\n" if (defined($xlabel)); |
$gnuplot_input .= "set ylabel \"$ylabel\"\n" if (defined($ylabel)); |
$gnuplot_input .= "set ylabel \"$ylabel\"\n" if (defined($ylabel)); |
if (defined(%axis)) { |
if (%axis) { |
$gnuplot_input .= "set xrange \[$axis{'xmin'}:$axis{'xmax'}\]\n"; |
$gnuplot_input .= "set xrange \[$axis{'xmin'}:$axis{'xmax'}\]\n"; |
$gnuplot_input .= "set yrange \[$axis{'ymin'}:$axis{'ymax'}\]\n"; |
$gnuplot_input .= "set yrange \[$axis{'ymin'}:$axis{'ymax'}\]\n"; |
} |
} |
# Key |
# Key |
if (defined(%key)) { |
if (%key) { |
$gnuplot_input .= 'set key '.$key{'pos'}.' '; |
$gnuplot_input .= 'set key '.$key{'pos'}.' '; |
if ($key{'title'} ne '') { |
if ($key{'title'} ne '') { |
$gnuplot_input .= 'title "'.$key{'title'}.'" '; |
$gnuplot_input .= 'title "'.$key{'title'}.'" '; |
Line 536 sub write_gnuplot_file {
|
Line 763 sub write_gnuplot_file {
|
return $gnuplot_input; |
return $gnuplot_input; |
} |
} |
|
|
1; |
#---------------------------------------------- check_inputs |
__END__ |
sub check_inputs { |
|
## Note: no inputs, no outputs - this acts only on global variables. |
|
## Make sure we have all the input we need: |
|
if (! %plot) { &set_defaults(\%plot,\%plot_defaults); } |
|
if (! %key ) {} # No key for this plot, thats okay |
|
if (! %axis) { &set_defaults(\%axis,\%axis_defaults); } |
|
if (! defined($title )) {} # No title for this plot, thats okay |
|
if (! defined($xlabel)) {} # No xlabel for this plot, thats okay |
|
if (! defined($ylabel)) {} # No ylabel for this plot, thats okay |
|
if ($#labels < 0) { } # No labels for this plot, thats okay |
|
if ($#curves < 0) { |
|
&Apache::lonxml::warning("No curves specified for plot!!!!"); |
|
return ''; |
|
} |
|
my $curve; |
|
foreach $curve (@curves) { |
|
if (!defined($curve->{'function'})&&!defined($curve->{'data'})){ |
|
&Apache::lonxml::warning("One of the curves specified did not contain any <data> or <function> declarations\n"); |
|
return ''; |
|
} |
|
} |
|
} |
|
|
|
#------------------------------------------------ make_edit |
|
sub edit_attributes { |
|
my ($target,$token,$defaults) = @_; |
|
my $result; |
|
foreach my $attr (sort keys(%$defaults)) { |
|
if ($defaults->{$attr}->{'edit_type'} eq 'entry') { |
|
$result .= &Apache::edit::text_arg( |
|
$defaults->{$attr}->{'description'}, |
|
$attr, |
|
$token); |
|
} elsif ($defaults->{$attr}->{'edit_type'} eq 'choice') { |
|
$result .= &Apache::edit::select_arg( |
|
$defaults->{$attr}->{'description'}, |
|
$attr, |
|
$defaults->{$attr}->{'choices'}, |
|
$token); |
|
} |
|
$result .= '<br />'; |
|
} |
|
return $result; |
|
} |
|
|
|
|
|
################################################################### |
|
## ## |
|
## Insertion functions for editing plots ## |
|
## ## |
|
################################################################### |
|
|
|
#------------------------------------------------ insert_xxxxxxx |
|
sub insert_plot { |
|
my $result; |
|
# plot attributes |
|
$result .= '<plot '; |
|
foreach my $attr (%plot_defaults) { |
|
$result .= ' '.$attr.'="'.$plot_defaults{$attr}->{'default'}. |
|
"\"\n"; |
|
} |
|
$result .= ">\n"; |
|
# Add the components |
|
$result .= &insert_key(); |
|
$result .= &insert_axis(); |
|
$result .= &insert_label(); |
|
$result .= &insert_curve(); |
|
$result .= &insert_function(); |
|
$result .= "</curve>\n"; |
|
$result .= &insert_curve(); |
|
$result .= &insert_data(); |
|
$result .= "</curve>\n"; |
|
# close up the <plot> |
|
$result .= "</plot>\n"; |
|
return $result; |
|
} |
|
|
|
sub insert_key { |
|
my $result; |
|
$result .= ' <key '; |
|
foreach my $attr (%key_defaults) { |
|
$result .= ' '.$attr.'="'.$key_defaults{$attr}->{'default'}. |
|
"\"\n"; |
|
} |
|
$result .= " />\n"; |
|
return $result; |
|
} |
|
|
|
sub insert_axis{ |
|
my $result; |
|
$result .= ' <axis '; |
|
foreach my $attr (%axis_defaults) { |
|
$result .= ' '.$attr.'="'.$axis_defaults{$attr}->{'default'}. |
|
"\"\n"; |
|
} |
|
$result .= " />\n"; |
|
return $result; |
|
} |
|
|
|
sub insert_label { |
|
my $result; |
|
$result .= ' <label '; |
|
foreach my $attr (%label_defaults) { |
|
$result .= ' '.$attr.'="'. |
|
$label_defaults{$attr}->{'default'}."\"\n"; |
|
} |
|
$result .= " ></label>\n"; |
|
return $result; |
|
} |
|
|
|
sub insert_curve { |
|
my $result; |
|
$result .= ' <curve '; |
|
foreach my $attr (%curve_defaults) { |
|
$result .= ' '.$attr.'="'. |
|
$curve_defaults{$attr}->{'default'}."\"\n"; |
|
} |
|
$result .= " >\n"; |
|
} |
|
|
|
sub insert_function { |
|
my $result; |
|
$result .= "<function></function>\n"; |
|
return $result; |
|
} |
|
|
|
sub insert_data { |
|
my $result; |
|
$result .= " <data></data>\n"; |
|
$result .= " <data></data>\n"; |
|
return $result; |
|
} |
|
|
|
##---------------------------------------------------------------------- |
|
1; |
|
__END__ |
|
|
|
|