version 1.4, 2003/05/23 19:36:04
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version 1.25, 2003/09/29 14:00:21
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Line 54 built-in functions.
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Line 54 built-in functions.
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package Apache::lonspreadsheet; |
package Apache::lonspreadsheet; |
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use strict; |
use strict; |
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use warnings FATAL=>'all'; |
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no warnings 'uninitialized'; |
use Apache::classcalc(); |
use Apache::classcalc(); |
use Apache::studentcalc(); |
use Apache::studentcalc(); |
use Apache::assesscalc(); |
use Apache::assesscalc(); |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon; |
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use Apache::lonlocal; |
use HTML::Entities(); |
use HTML::Entities(); |
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## |
## |
Line 88 sub selectbox {
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Line 91 sub selectbox {
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return $selout.'</select>'; |
return $selout.'</select>'; |
} |
} |
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sub file_dialogs { |
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my ($spreadsheet) = @_; |
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my $bgcolor = "#FFFFFF"; |
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my $sheettype = $spreadsheet->{'type'}; |
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my $result = ''; |
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my $message = ''; |
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## |
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## Deal with saving the spreadsheet |
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if ((exists($ENV{'form.save'}) || exists($ENV{'form.makedefault'})) && |
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exists($ENV{'form.savefilename'})) { |
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$spreadsheet->filename($ENV{'form.savefilename'}); |
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my $save_status = $spreadsheet->save(); |
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if ($save_status ne 'ok') { |
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$message .= "An error occurred while saving the spreadsheet". |
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"There error is:".$save_status; |
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} else { |
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$message .= "Spreadsheet saved as ".$spreadsheet->filename(); |
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} |
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} elsif (exists($ENV{'form.newformula'}) && |
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exists($ENV{'form.cell'}) && |
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$ENV{'form.cell'} ne '' ) { |
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## |
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## Make any requested modifications to the spreadsheet |
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$spreadsheet->modify_cell($ENV{'form.cell'}, |
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$ENV{'form.newformula'}); |
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$spreadsheet->save_tmp(); |
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# output that we are dealing with a temporary file |
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$result .=&hiddenfield('workcopy',$sheettype); |
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if ($ENV{'form.newformula'} !~ /^\s*$/) { |
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$message .='<table><tr>'. |
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'<td valign="top"><pre>Cell '.$ENV{'form.cell'}.' = </pre></td>'. |
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'<td><pre>'.$ENV{'form.newformula'}."</pre></td></tr></table>\n"; |
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} else { |
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$message .= 'Deleted contents of cell '.$ENV{'form.cell'}.'.'; |
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} |
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} |
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## |
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## Editing code |
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$result .=&hiddenfield('cell',''). |
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&hiddenfield('newformula',''); |
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## |
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## Create the save and load dialogs |
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my $filename = $spreadsheet->filename(); |
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my $truefilename = $filename; |
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if ($spreadsheet->is_default()) { |
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$filename = 'Default'; |
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} |
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my $save_dialog = '<nobr>'. |
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'<input type="submit" name="save" value="Save as" /> '. |
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'<input type="text" name="savefilename" size="30" value="'. |
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$truefilename.'" />'. |
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'</nobr>'; |
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my $makedefault_dialog = '<input type="submit" name="makedefault" '. |
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'value="Save as & Make This Sheet the Default"/>'; |
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# |
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my $link = '<a href="javascript:openbrowser'. |
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"('sheet','loadfilename','spreadsheet')\">Select Spreadsheet File</a>"; |
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my $load_dialog = <<END; |
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<table bgcolor="$bgcolor"> |
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<tr><td><input type="submit" name="load" value="Load" /></td> |
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<td><nobr> |
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<input type="text" name="loadfilename" size="20" value="$filename" /> |
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$link</nobr> |
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</td></tr> |
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<tr><td> </td><td> |
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<select name="fileselect" onchange="document.sheet.loadfilename.value=document.sheet.fileselect.value" > |
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END |
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my $default_filename_set = 0; |
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foreach my $sheetfilename ($spreadsheet->othersheets()) { |
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$load_dialog .= ' <option name="'.$sheetfilename.'"'; |
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if ($filename eq $sheetfilename) { |
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$load_dialog .= ' selected'; |
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$default_filename_set = 1; |
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} |
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$load_dialog .= '>'.$sheetfilename."</option>\n"; |
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} |
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$load_dialog .= "</select>\n</td><td> </td></tr>\n</table>\n"; |
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# |
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$result .=<<END; |
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<!-- |
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<fieldset title="File Dialogs" > |
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<legend>File Dialogs</legend> |
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--> |
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<!-- load / save dialogs --> |
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<table cellspacing="2"> |
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<tr> |
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<td>$load_dialog</td> |
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<td> |
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<table bgcolor="$bgcolor"> |
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<tr><td>$save_dialog</td></tr> |
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<tr><td align="center">$makedefault_dialog</td></tr> |
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</table> |
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</td> |
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</tr> |
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</table> |
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<!-- |
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</fieldset> |
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--> |
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END |
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return ($result,$message); |
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} |
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sub handler { |
sub handler { |
my $r=shift; |
my $r=shift; |
# |
# |
Line 104 sub handler {
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Line 209 sub handler {
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# HTML Header |
# HTML Header |
# |
# |
if ($r->header_only) { |
if ($r->header_only) { |
$r->content_type('text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
return OK; |
return OK; |
} |
} |
Line 118 sub handler {
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Line 223 sub handler {
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$r->uri.":opa:0:0:Cannot modify spreadsheet"; |
$r->uri.":opa:0:0:Cannot modify spreadsheet"; |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
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my $courseid = $ENV{'request.course.id'}; |
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# |
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# Do not allow students to continue if standard grading is in effect. |
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if ($ENV{'request.role'} =~ /^st\./) { |
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if ($ENV{'course.'.$courseid.'.grading'} eq 'standard') { |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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} |
# |
# |
# Get query string for limited number of parameters |
# Get query string for limited number of parameters |
# |
# |
&Apache::loncommon::get_unprocessed_cgi |
&Apache::loncommon::get_unprocessed_cgi |
($ENV{'QUERY_STRING'},['sname','sdomain','usymb','filename']); |
($ENV{'QUERY_STRING'},['sname','sdomain','usymb','filename','recalc']); |
# |
# |
# Deal with restricted student permissions |
# Deal with restricted student permissions |
# |
# |
Line 142 sub handler {
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Line 255 sub handler {
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$name = $ENV{'form.sname'}; |
$name = $ENV{'form.sname'}; |
$domain = $ENV{'form.sdomain'}; |
$domain = $ENV{'form.sdomain'}; |
} |
} |
# |
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# Open page, try to prevent browser cache. |
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# |
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$r->content_type('text/html'); |
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$r->header_out('Cache-control','no-cache'); |
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$r->header_out('Pragma','no-cache'); |
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$r->send_http_header; |
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## |
## |
## Check permissions |
## Check permissions |
my $allowed_to_edit = &Apache::lonnet::allowed('mgr', |
my $allowed_to_edit = &Apache::lonnet::allowed('mgr', |
$ENV{'request.course.id'}); |
$ENV{'request.course.id'}); |
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# Only those instructors/tas/whatevers with complete access |
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# (not section restricted) are able to modify spreadsheets. |
my $allowed_to_view = &Apache::lonnet::allowed('vgr', |
my $allowed_to_view = &Apache::lonnet::allowed('vgr', |
$ENV{'request.course.id'}); |
$ENV{'request.course.id'}); |
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if (! $allowed_to_view) { |
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$allowed_to_view = &Apache::lonnet::allowed('vgr', |
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$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'}); |
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# Those who are restricted by section are allowed to view. |
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# The routines in lonstatistics which decide which students' |
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# will be shown take care of the restriction by section. |
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} |
# |
# |
# Only those able to view others grades will be allowed to continue |
# Only those able to view others grades will be allowed to continue |
# if they are not requesting their own. |
# if they are not requesting their own. |
if (($sheettype eq 'classcalc') || |
if ($sheettype eq 'classcalc') { |
($name ne $ENV{'user.name'} ) || |
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($domain ne $ENV{'user.domain'})) { |
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if (! $allowed_to_view) { |
if (! $allowed_to_view) { |
$r->print('<h1>Access Permission Denied</h1>'. |
$ENV{'user.error.msg'}= |
'</form></body></html>'); |
$r->uri.":vgr:0:0:Access Permission Denied"; |
return OK; |
return HTTP_NOT_ACCEPTABLE; |
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} |
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} |
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if ((($name ne $ENV{'user.name'} ) || |
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($domain ne $ENV{'user.domain'})) && $sheettype ne 'classcalc') { |
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# Check that the student is in their section? |
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if (exists($ENV{'request.course.sec'}) && |
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$ENV{'request.course.sec'} ne '' ) { |
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my $stu_sec = &Apache::lonnet::usection($domain,$name, |
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$ENV{'request.course.id'}); |
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if ($stu_sec ne $ENV{'request.course.sec'}) { |
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$ENV{'user.error.msg'}= |
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$r->uri.":vgr:0:0:Requested student not in your section."; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
} |
} |
} |
} |
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# |
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# Open page, try to prevent browser cache. |
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# |
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&Apache::loncommon::content_type($r,'text/html'); |
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&Apache::loncommon::no_cache($r); |
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$r->send_http_header; |
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# |
# |
# Header.... |
# Header.... |
# |
# |
Line 175 sub handler {
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Line 310 sub handler {
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## |
## |
## Spit out the javascript required for editing |
## Spit out the javascript required for editing |
## |
## |
if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) { |
if ($allowed_to_edit) { |
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my $extra_javascript = |
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&Apache::loncommon::browser_and_searcher_javascript(); |
$r->print(<<ENDSCRIPT); |
$r->print(<<ENDSCRIPT); |
<script language="JavaScript"> |
<script language="JavaScript"> |
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$extra_javascript |
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var editwin; |
var editwin; |
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function celledit(cellname,cellformula) { |
function celledit(cellname,cellformula) { |
Line 188 sub handler {
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Line 327 sub handler {
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edit_text +='<html><head><title>Cell Edit Window</title></head><body>'; |
edit_text +='<html><head><title>Cell Edit Window</title></head><body>'; |
edit_text += '<form name="editwinform">'; |
edit_text += '<form name="editwinform">'; |
edit_text += '<center><h3>Cell '+cellname+'</h3>'; |
edit_text += '<center><h3>Cell '+cellname+'</h3>'; |
edit_text += '<textarea name="newformula" cols="40" rows="6"'; |
edit_text += '<textarea name="newformula" cols="60" rows="12"'; |
edit_text += ' wrap="off" >'+cellformula+'</textarea>'; |
edit_text += ' wrap="off" >'+cellformula+'</textarea>'; |
edit_text += '</br>'; |
edit_text += '</br>'; |
edit_text += '<input type="button" name="accept" value="Accept"'; |
edit_text += '<input type="button" name="accept" value="Accept"'; |
Line 209 sub handler {
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Line 348 sub handler {
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editwin.close(); |
editwin.close(); |
} |
} |
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editwin = window.open($nothing,'CellEditWin','height=200,width=350,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true); |
editwin = window.open($nothing,'CellEditWin','height=280,width=480,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true); |
editwin.document.write(edit_text); |
editwin.document.write(edit_text); |
} |
} |
</script> |
</script> |
Line 229 ENDSCRIPT
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Line 368 ENDSCRIPT
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# |
# |
if (exists($ENV{'form.load'}) && exists($ENV{'form.loadfilename'})) { |
if (exists($ENV{'form.load'}) && exists($ENV{'form.loadfilename'})) { |
$filename = $ENV{'form.loadfilename'}; |
$filename = $ENV{'form.loadfilename'}; |
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$ENV{'form.workcopy'} = 'no'; |
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} |
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} |
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## |
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## Take care of "backdoor" spreadsheet expiration / recalc stuff |
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if ($allowed_to_edit && exists($ENV{'form.recalc'})) { |
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if ($ENV{'form.recalc'} eq 'ilovewastingtime') { |
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&Apache::lonnet::logthis('ilovewastingtime'); |
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# expire ALL spreadsheets |
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&Apache::lonnet::expirespread('','','studentcalc'); |
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&Apache::lonnet::expirespread('','','assesscalc'); |
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} elsif ($ENV{'form.recalc'} =~ /^symb:/) { |
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# expire for all students on this symb |
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my ($symb) = ($ENV{'form.recalc'} =~ /^symb:(.*)$/); |
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&Apache::lonnet::logthis('symb = '.$symb); |
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&Apache::lonnet::expirespread('','','assesscalc',$symb); |
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&Apache::lonnet::expirespread('','','studentcalc'); |
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} elsif ($ENV{'form.recalc'} =~ /^student:/) { |
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# expire all assessment spreadsheets for this user |
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my ($sname,$sdom) = ($ENV{'form.recalc'}=~/^student:(.*):(.*)$/); |
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&Apache::lonnet::logthis('student = '.$sname.':'.$sdom); |
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if (defined($sname) && defined($sdom)) { |
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&Apache::lonnet::expirespread($sname,$sdom,'assesscalc'); |
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&Apache::lonnet::expirespread($sname,$sdom,'studentcalc'); |
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} |
} |
} |
} |
} |
## |
## |
Line 250 ENDSCRIPT
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Line 414 ENDSCRIPT
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# error error - run in circles, scream and shout |
# error error - run in circles, scream and shout |
return; |
return; |
} |
} |
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$spreadsheet->initialize(); |
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# |
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# Output selector |
## |
## |
## Editing/loading/saving |
## Editing/loading/saving |
if ($allowed_to_edit) { |
if ($allowed_to_edit) { |
## |
my ($html,$action_message) = &file_dialogs($spreadsheet); |
## Deal with saving the spreadsheet |
if ($ENV{'form.makedefault'}) { |
if (exists($ENV{'form.save'}) && |
$spreadsheet->make_default(); |
exists($ENV{'form.savefilename'})) { |
if ($action_message) { |
$spreadsheet->filename($ENV{'form.savefilename'}); |
$action_message .= '<br />'; |
my $save_status = $spreadsheet->save(); |
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if ($save_status ne 'ok') { |
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$r->print("An error occurred while saving the spreadsheet". |
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"There error is:".$save_status); |
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} else { |
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$r->print("Spreadsheet saved as ".$ENV{'form.savefilename'}); |
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} |
} |
} elsif (exists($ENV{'form.newformula'}) && |
$action_message .= 'Made this spreadsheet the default'; |
exists($ENV{'form.cell'}) && |
if ($sheettype eq 'classcalc') { |
$ENV{'form.cell'} ne '' ) { |
$action_message .= ' for the course'; |
## |
} elsif ($sheettype eq 'studentcalc') { |
## Make any requested modifications to the spreadsheet |
$action_message .= ' for all students'; |
$spreadsheet->modify_cell($ENV{'form.cell'}, |
} elsif ($sheettype eq 'assesscalc') { |
$ENV{'form.newformula'}); |
$action_message .= ' for all assessments'; |
$spreadsheet->save_tmp(); |
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# output that we are dealing with a temporary file |
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$r->print(&hiddenfield('workcopy',$sheettype)); |
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$r->print('<pre>'.$ENV{'form.cell'}.' = '. |
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$ENV{'form.newformula'}.'</pre>'."\n"); |
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} |
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## |
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## Editing code |
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$r->print(&hiddenfield('cell',''). |
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&hiddenfield('newformula','')); |
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## |
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## Create the save and load dialogs |
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$filename = $spreadsheet->filename(); |
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$filename = '' if ($filename =~ /^default\.$sheettype/i); |
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$filename =~ s/_$sheettype$//; |
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my $save_dialog = |
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'<input type="submit" name="save" value="Save as ..." /> '. |
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'<input type="text" name="savefilename" size="30" value="'. |
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$filename.'" />'; |
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my $makedefault_dialog = |
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'<input type="submit" name="makedefault" value="Make Default"/>'; |
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# |
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my $load_dialog = |
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'<input type="submit" name="load" value="Load ..." />'. |
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'<select name="loadfilename">'. |
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'<option name="Default">Default</option>'."\n"; |
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foreach my $sheetfilename ($spreadsheet->othersheets()) { |
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$sheetfilename =~ s/_$sheettype$//; |
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$load_dialog .= '<option name="'.$sheetfilename.'"'; |
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if ($filename eq $sheetfilename) { |
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$load_dialog .= ' selected'; |
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} |
} |
$load_dialog .= '>'.$sheetfilename."</option>\n"; |
$action_message .= '.'; |
} |
} |
# |
$r->print('<table><tr><td>'.$spreadsheet->html_header().'</td>'. |
$r->print(<<END); |
'<td valign="bottom">'.$html."</td></tr></table>\n"); |
<!-- load / save dialogs --> |
if ($action_message ne '') { |
<table cellspacing="3"> |
$r->print(<<END); |
<tr> |
<table> |
<td>$load_dialog</td> |
<tr><td valign="top"><b>Last Action:</b></td> |
<td>$save_dialog</td> |
<td> </td> |
<td>$makedefault_dialog</td> |
<td>$action_message</td> |
</tr> |
</tr> |
</table> |
</table> |
END |
END |
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} |
$r->rflush(); |
$r->rflush(); |
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} else { |
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$r->print('<table><tr><td>'.$spreadsheet->html_header(). |
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"</td></tr></table>\n"); |
} |
} |
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$r->rflush(); |
# |
# |
# Output selector |
$r->print("<table><tr>"); |
$r->print($spreadsheet->html_header()); |
if ($sheettype eq 'classcalc') { |
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$r->print('<td><input type="submit" value="'. |
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&mt('Generate Spreadsheet').'" />'. |
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'</td>'); |
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} |
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if ($allowed_to_view) { |
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$r->print('<td>'. |
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&Apache::loncommon::help_open_topic("Spreadsheet_About", |
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'Spreadsheet Help'). |
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'</td>'); |
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} |
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if ($allowed_to_edit) { |
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$r->print('<td>'. |
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&Apache::loncommon::help_open_topic("Spreadsheet_Editing", |
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'Editing Help'). |
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'</td>'); |
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} |
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$r->print('</tr></table>'); |
# |
# |
# Keep track of the filename |
# Keep track of the filename |
$r->print(&hiddenfield('filename',$filename)); |
$r->print(&hiddenfield('filename',$filename)); |
# |
# |
$r->print($spreadsheet->get_html_title()); |
# Keep track of the number of times we have been called, sort of. |
if ($allowed_to_view || $allowed_to_edit) { |
$r->print(&hiddenfield('not_first_run','whatever')); |
$r->print($spreadsheet->parent_link()); |
# |
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if (exists($ENV{'form.not_first_run'}) || $sheettype ne 'classcalc') { |
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$r->print($spreadsheet->get_html_title()); |
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if ($allowed_to_view || $allowed_to_edit) { |
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$r->print($spreadsheet->parent_link()); |
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} |
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$r->rflush(); |
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$spreadsheet->display($r); |
} |
} |
$spreadsheet->display($r); |
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$r->print('</form></body></html>'); |
$r->print('</form></body></html>'); |
return OK; |
return OK; |
} |
} |