version 1.5, 2004/02/24 00:14:01
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version 1.12, 2006/07/03 00:03:56
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Line 25
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package Apache::imagechoice; |
package Apache::imagechoice; |
use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
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use Apache::lonnet; |
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use LONCAPA; |
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sub deletedata { |
sub deletedata { |
my ($id)=@_; |
my ($id)=@_; |
Line 33 sub deletedata {
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Line 35 sub deletedata {
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} |
} |
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sub closewindow { |
sub closewindow { |
my ($r,$output,$filename,$needimage)=@_; |
my ($r,$output,$filename,$needimage,$display)=@_; |
if ($needimage) { |
if ($needimage) { |
$needimage="<img name=\"pickimg\" src=\"$filename\" />"; |
$needimage="<img name=\"pickimg\" src=\"$filename\" />"; |
} |
} |
$r->print(<<"ENDSUBM"); |
my $js=<<"ENDSUBM"; |
<html> |
<script type="text/javascript"> |
<script> |
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function submitthis() { |
function submitthis() { |
$output |
$output |
self.close(); |
self.close(); |
} |
} |
</script> |
</script> |
<body bgcolor="#FFFFFF" onLoad="submitthis()"> |
ENDSUBM |
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my $start_page = |
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&Apache::loncommon::start_page('Close Window',$js, |
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{'bgcolor' => '#FFFFFF', |
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'only_body' => 1, |
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'add_entries' => { |
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onload => 'submitthis();'},}); |
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my $end_page = |
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&Apache::loncommon::end_page(); |
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$r->print(<<"ENDSUBM"); |
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$start_page |
<h3>Position Selected</h3> |
<h3>Position Selected</h3> |
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$display |
$needimage |
$needimage |
</body> |
$end_page |
</html> |
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ENDSUBM |
ENDSUBM |
} |
} |
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sub storedata { |
sub storedata { |
my ($r,$type,$filename,$id)=@_; |
my ($r,$type,$filename,$id)=@_; |
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my (undef,@coords)=split(':',$ENV{"imagechoice.$id.coords"}); |
my (undef,@coords)=split(':',$env{"imagechoice.$id.coords"}); |
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my ($output,$needimage); |
my ($output,$needimage); |
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if ($ENV{"imagechoice.$id.formwidth"}) { |
if ($env{"imagechoice.$id.formwidth"}) { |
$output.='opener.document.forms.'.$ENV{"imagechoice.$id.formname"}.'.'.$ENV{"imagechoice.$id.formwidth"}.'.value=document.pickimg.width;'; |
$output.='opener.document.forms.'.$env{"imagechoice.$id.formname"}.'.'.$env{"imagechoice.$id.formwidth"}.'.value=document.pickimg.width;'; |
$needimage=1; |
$needimage=1; |
} |
} |
if ($ENV{"imagechoice.$id.formheight"}) { |
if ($env{"imagechoice.$id.formheight"}) { |
$output.='opener.document.forms.'.$ENV{"imagechoice.$id.formname"}.'.'.$ENV{"imagechoice.$id.formheight"}.'.value=document.pickimg.height;'; |
$output.='opener.document.forms.'.$env{"imagechoice.$id.formname"}.'.'.$env{"imagechoice.$id.formheight"}.'.value=document.pickimg.height;'; |
$needimage=1; |
$needimage=1; |
} |
} |
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my $display; |
if ($type eq 'point') { |
if ($type eq 'point') { |
my (undef,$x,$y)=split(':',$ENV{"imagechoice.$id.coords"}); |
my (undef,$x,$y)=split(':',$env{"imagechoice.$id.coords"}); |
if ($ENV{"imagechoice.$id.formx"}) { |
if ($env{"imagechoice.$id.formx"}) { |
$output.='opener.document.forms.'.$ENV{"imagechoice.$id.formname"}.'.'.$ENV{"imagechoice.$id.formx"}.'.value='.$x.';'; |
$output.='opener.document.forms.'.$env{"imagechoice.$id.formname"}.'.'.$env{"imagechoice.$id.formx"}.'.value='.$x.';'; |
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$display.="<p>The X coordinate is $x</p>\n"; |
} |
} |
if ($ENV{"imagechoice.$id.formy"}) { |
if ($env{"imagechoice.$id.formy"}) { |
$output.='opener.document.forms.'.$ENV{"imagechoice.$id.formname"}.'.'.$ENV{"imagechoice.$id.formy"}.'.value='.$y.';'; |
$output.='opener.document.forms.'.$env{"imagechoice.$id.formname"}.'.'.$env{"imagechoice.$id.formy"}.'.value='.$y.';'; |
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$display.="<p>The Y coordinate is $y</p>\n"; |
} |
} |
} elsif ($type eq 'polygon' or $type eq 'box') { |
} elsif ($type eq 'polygon' or $type eq 'box') { |
my $coordstr; |
my $coordstr; |
Line 83 sub storedata {
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Line 100 sub storedata {
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$coordstr.='('.shift(@coords).','.shift(@coords).')-'; |
$coordstr.='('.shift(@coords).','.shift(@coords).')-'; |
} |
} |
chop($coordstr); |
chop($coordstr); |
$output.='opener.document.forms.'.$ENV{"imagechoice.$id.formname"}.'.'.$ENV{"imagechoice.$id.formcoord"}.'.value="'.$coordstr.'";'; |
$display.="<p>The selected coordinates are <tt>$coordstr</tt></p>\n"; |
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$output.='opener.document.forms.'.$env{"imagechoice.$id.formname"}.'.'.$env{"imagechoice.$id.formcoord"}.'.value="'.$coordstr.'";'; |
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} |
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if ($display) { |
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$display.="<p>If this window fails to close you may need to manually replace the old coordinates with the above value.</p>\n"; |
} |
} |
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&deletedata($id); |
&deletedata($id); |
&closewindow($r,$output,$filename,$needimage); |
&closewindow($r,$output,$filename,$needimage,$display); |
} |
} |
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sub getcoord { |
sub getcoord { |
Line 95 sub getcoord {
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Line 115 sub getcoord {
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my $heading='Select Position on Image'; |
my $heading='Select Position on Image'; |
my $nextstage=''; |
my $nextstage=''; |
if ($type eq 'box') { |
if ($type eq 'box') { |
my (undef,@coords)=split(':',$ENV{"imagechoice.$id.coords"}); |
my (undef,@coords)=split(':',$env{"imagechoice.$id.coords"}); |
my $step=scalar(@coords)/2; |
my $step=scalar(@coords)/2; |
if ($step == 0) { |
if ($step == 0) { |
$heading='Select First Coordinate on Image'; |
$heading='Select First Coordinate on Image'; |
Line 114 sub getcoord {
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Line 134 sub getcoord {
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$heading='Click to select a Coordinate or click Finish to store current selection.'; |
$heading='Click to select a Coordinate or click Finish to store current selection.'; |
$nextstage='<input type="submit" name="finish" value="Finish" />'; |
$nextstage='<input type="submit" name="finish" value="Finish" />'; |
} |
} |
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my $start_page = |
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&Apache::loncommon::start_page('Get Coordinates',undef, |
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{'bgcolor' => '#FFFFFF', |
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'only_body' => 1,}); |
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my $end_page = |
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&Apache::loncommon::end_page(); |
$r->print(<<"END"); |
$r->print(<<"END"); |
<html> |
$start_page |
<body bgcolor="#FFFFFF"> |
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<h3>$heading</h3> |
<h3>$heading</h3> |
<form method="POST" action="/adm/imagechoice?token=$id"> |
<form method="POST" action="/adm/imagechoice?token=$id"> |
$nextstage |
$nextstage |
Line 124 $nextstage
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Line 151 $nextstage
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<br /> |
<br /> |
<input name="image" type="image" src="$filename" /> |
<input name="image" type="image" src="$filename" /> |
</form> |
</form> |
</body> |
$end_page |
</html> |
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END |
END |
} |
} |
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sub savecoord { |
sub savecoord { |
my ($id,$type)=@_; |
my ($id,$type)=@_; |
if (defined($ENV{"form.image.x"}) && defined($ENV{"form.image.y"})) { |
if (defined($env{"form.image.x"}) && defined($env{"form.image.y"})) { |
my $data; |
my $data; |
if ($type eq 'point') { |
if ($type eq 'point') { |
$data=join(':',(undef,$ENV{"form.image.x"},$ENV{"form.image.y"})); |
$data=join(':',(undef,$env{"form.image.x"},$env{"form.image.y"})); |
} else { |
} else { |
$data=join(':',($ENV{"imagechoice.$id.coords"}, |
$data=join(':',($env{"imagechoice.$id.coords"}, |
$ENV{"form.image.x"},$ENV{"form.image.y"})); |
$env{"form.image.x"},$env{"form.image.y"})); |
} |
} |
&Apache::lonnet::appenv("imagechoice.$id.coords"=>$data); |
&Apache::lonnet::appenv("imagechoice.$id.coords"=>$data); |
} |
} |
return int(scalar(split(':',$ENV{"imagechoice.$id.coords"}))/2); |
return int(scalar(split(':',$env{"imagechoice.$id.coords"}))/2); |
} |
} |
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sub add_obj { |
sub add_obj { |
Line 174 sub drawX {
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Line 200 sub drawX {
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sub drawPolygon { |
sub drawPolygon { |
my ($data,$id,$imid)=@_; |
my ($data,$id,$imid)=@_; |
my (undef,@coords)=split(':',$ENV{"imagechoice.$id.coords"}); |
my (undef,@coords)=split(':',$env{"imagechoice.$id.coords"}); |
my $coordstr; |
my $coordstr; |
while (@coords) { |
while (@coords) { |
$coordstr.='('.shift(@coords).','.shift(@coords).')-'; |
$coordstr.='('.shift(@coords).','.shift(@coords).')-'; |
Line 190 sub drawPolygon {
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Line 216 sub drawPolygon {
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sub drawBox { |
sub drawBox { |
my ($data,$id,$imid)=@_; |
my ($data,$id,$imid)=@_; |
my (undef,@coords)=split(':',$ENV{"imagechoice.$id.coords"}); |
my (undef,@coords)=split(':',$env{"imagechoice.$id.coords"}); |
if (scalar(@coords) < 4) { return ''; } |
if (scalar(@coords) < 4) { return ''; } |
my $width = 1; |
my $width = 1; |
my $extrawidth = 2; |
my $extrawidth = 2; |
Line 202 sub drawBox {
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Line 228 sub drawBox {
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sub drawimage { |
sub drawimage { |
my ($r,$type,$filename,$id)=@_; |
my ($r,$type,$filename,$id)=@_; |
my $imid=&Apache::loncommon::get_cgi_id(); |
my $imid=&Apache::loncommon::get_cgi_id(); |
my (undef,@coords)=split(':',$ENV{"imagechoice.$id.coords"}); |
my (undef,@coords)=split(':',$env{"imagechoice.$id.coords"}); |
if (scalar(@coords) < 2) { return &Apache::lonnet::hreflocation('',$filename); } |
if (scalar(@coords) < 2) { return &Apache::lonnet::hreflocation('',$filename); } |
my %data; |
my %data; |
$data{"cgi.$imid.BGIMG"}=$filename; |
$data{"cgi.$imid.BGIMG"}=$filename; |
Line 217 sub drawimage {
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Line 243 sub drawimage {
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sub handler { |
sub handler { |
my ($r)=@_; |
my ($r)=@_; |
$r->content_type('text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
my %data; |
my %data; |
my (undef,$id) = split(/=/,$ENV{'QUERY_STRING'}); |
my (undef,$id) = split(/=/,$ENV{'QUERY_STRING'}); |
my $filename = &Apache::lonnet::unescape($ENV{"imagechoice.$id.file"}); |
my $filename = &unescape($env{"imagechoice.$id.file"}); |
my $formname = $ENV{"imagechoice.$id.formname"}; |
my $formname = $env{"imagechoice.$id.formname"}; |
if ($ENV{'form.cancel'} eq 'Cancel') { |
if ($env{'form.cancel'} eq 'Cancel') { |
&deletedata($id); |
&deletedata($id); |
&closewindow($r,'',$filename); |
&closewindow($r,'',$filename); |
return OK; |
return OK; |
} |
} |
my $type=$ENV{"imagechoice.$id.type"}; |
my $type=$env{"imagechoice.$id.type"}; |
if (defined($ENV{'form.type'})) { $type=$ENV{'form.type'}; } |
if (defined($env{'form.type'})) { $type=$env{'form.type'}; } |
my $numcoords=&savecoord($id,$type); |
my $numcoords=&savecoord($id,$type); |
&Apache::lonnet::logthis("num coords is $numcoords"); |
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my $imurl=&drawimage($r,$type,$filename,$id); |
my $imurl=&drawimage($r,$type,$filename,$id); |
if (($ENV{'form.finish'} eq 'Finish')) { |
if (($env{'form.finish'} eq 'Finish')) { |
&storedata($r,$type,$imurl,$id); |
&storedata($r,$type,$imurl,$id); |
} else { |
} else { |
&getcoord($r,$type,$imurl,$id); |
&getcoord($r,$type,$imurl,$id); |