version 1.27, 2003/05/12 19:33:57
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version 1.30, 2003/05/15 16:14:52
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Line 344 sub new {
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Line 344 sub new {
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$self->{TITLE} = shift; |
$self->{TITLE} = shift; |
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Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); |
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# If there is a state from the previous form, use that. If there is no |
# If there is a state from the previous form, use that. If there is no |
# state, use the start state parameter. |
# state, use the start state parameter. |
if (defined $ENV{"form.CURRENT_STATE"}) |
if (defined $ENV{"form.CURRENT_STATE"}) |
Line 461 sub declareVar {
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Line 459 sub declareVar {
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my $envname = 'form.' . $var . '.forminput'; |
my $envname = 'form.' . $var . '.forminput'; |
if (defined($ENV{$envname})) { |
if (defined($ENV{$envname})) { |
$self->{VARS}->{$var} = $ENV{$envname}; |
if (ref($ENV{$envname})) { |
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$self->{VARS}->{$var} = join('|||', @{$ENV{$envname}}); |
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} else { |
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$self->{VARS}->{$var} = $ENV{$envname}; |
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} |
} |
} |
} |
} |
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Line 545 sub display {
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Line 547 sub display {
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</head> |
</head> |
$bodytag |
$bodytag |
HEADER |
HEADER |
if (!$state->overrideForm()) { $result.="<form name='helpform' method='GET'>"; } |
if (!$state->overrideForm()) { $result.="<form name='helpform' method='POST'>"; } |
$result .= <<HEADER; |
$result .= <<HEADER; |
<table border="0"><tr><td> |
<table border="0"><tr><td> |
<h2><i>$stateTitle</i></h2> |
<h2><i>$stateTitle</i></h2> |
HEADER |
HEADER |
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$result .= "<table><tr><td rowspan='2' valign='top'>"; |
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if (!$state->overrideForm()) { |
if (!$state->overrideForm()) { |
$result .= $self->_saveVars(); |
$result .= $self->_saveVars(); |
} |
} |
$result .= $state->render() . "<p> </p>"; |
$result .= $state->render(); |
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$result .= "</td><td valign='top'>"; |
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# Warning: Copy and pasted from below, because it's too much trouble to |
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# turn this into a subroutine |
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if (!$state->overrideForm()) { |
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$result .= '<center>'; |
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if ($self->{STATE} ne $self->{START_STATE}) { |
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#$result .= '<input name="SUBMIT" type="submit" value="<- Previous" /> '; |
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} |
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if ($self->{DONE}) { |
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my $returnPage = $self->{RETURN_PAGE}; |
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$result .= "<a href=\"$returnPage\">End Helper</a>"; |
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} |
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else { |
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$result .= '<nobr><input name="back" type="button" '; |
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$result .= 'value="<- Previous" onclick="history.go(-1)" /> '; |
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$result .= '<input name="SUBMIT" type="submit" value="Next ->" /></nobr> '; |
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} |
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$result .= "</center>\n"; |
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} |
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$result .= "</td></tr><tr><td valign='bottom'>"; |
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# Warning: Copy and pasted from above, because it's too much trouble to |
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# turn this into a subroutine |
if (!$state->overrideForm()) { |
if (!$state->overrideForm()) { |
$result .= '<center>'; |
$result .= '<center>'; |
if ($self->{STATE} ne $self->{START_STATE}) { |
if ($self->{STATE} ne $self->{START_STATE}) { |
Line 566 HEADER
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Line 595 HEADER
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$result .= "<a href=\"$returnPage\">End Helper</a>"; |
$result .= "<a href=\"$returnPage\">End Helper</a>"; |
} |
} |
else { |
else { |
$result .= '<input name="back" type="button" '; |
$result .= '<nobr><input name="back" type="button" '; |
$result .= 'value="<- Previous" onclick="history.go(-1)" /> '; |
$result .= 'value="<- Previous" onclick="history.go(-1)" /> '; |
$result .= '<input name="SUBMIT" type="submit" value="Next ->" />'; |
$result .= '<input name="SUBMIT" type="submit" value="Next ->" /></nobr>'; |
} |
} |
$result .= "</center>\n"; |
$result .= "</center>\n"; |
} |
} |
Line 577 HEADER
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Line 606 HEADER
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# $result .= "|$key| -> " . $self->{VARS}->{$key} . "<br />"; |
# $result .= "|$key| -> " . $self->{VARS}->{$key} . "<br />"; |
#} |
#} |
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$result .= "</td></tr></table>"; |
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$result .= <<FOOTER; |
$result .= <<FOOTER; |
</td> |
</td> |
</tr> |
</tr> |
Line 689 sub render {
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Line 720 sub render {
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for my $element (@{$self->{ELEMENTS}}) { |
for my $element (@{$self->{ELEMENTS}}) { |
push @results, $element->render(); |
push @results, $element->render(); |
} |
} |
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return join("\n", @results); |
return join("\n", @results); |
} |
} |
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Line 701 package Apache::lonhelper::element;
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Line 733 package Apache::lonhelper::element;
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=head2 Element Base Class |
=head2 Element Base Class |
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The Apache::lonhelper::element base class provides support methods for |
The Apache::lonhelper::element base class provides support for elements |
the elements to use, such as a multiple value processer. |
and defines some generally useful tags for use in elements. |
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B<Methods>: |
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=over 4 |
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=item * process_multiple_choices(formName, varName): Process the form |
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element named "formName" and place the selected items into the helper |
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variable named varName. This is for things like checkboxes or |
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multiple-selection listboxes where the user can select more then |
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one entry. The selected entries are delimited by triple pipes in |
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the helper variables, like this: |
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CHOICE_1|||CHOICE_2|||CHOICE_3 |
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=back |
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B<finalcode tag> |
B<finalcode tag> |
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Line 831 sub overrideForm {
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Line 848 sub overrideForm {
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return 0; |
return 0; |
} |
} |
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sub process_multiple_choices { |
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my $self = shift; |
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my $formname = shift; |
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my $var = shift; |
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# Must extract values from data directly, as there |
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# may be more then one. |
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my @values; |
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for my $formparam (split (/&/, $ENV{QUERY_STRING})) { |
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my ($name, $value) = split(/=/, $formparam); |
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if ($name ne $formname) { |
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next; |
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} |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg; |
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push @values, $value; |
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} |
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$helper->{VARS}->{$var} = join('|||', @values); |
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return; |
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} |
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1; |
1; |
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package Apache::lonhelper::message; |
package Apache::lonhelper::message; |
Line 1205 sub postprocess {
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Line 1200 sub postprocess {
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return 0; |
return 0; |
} |
} |
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if ($self->{'multichoice'}) { |
if (ref($chosenValue)) { |
$self->process_multiple_choices($self->{'variable'}.'.forminput', |
$helper->{VARS}->{$self->{'variable'}} = join('|||', @$chosenValue); |
$self->{'variable'}); |
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} |
} |
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if (defined($self->{NEXTSTATE})) { |
if (defined($self->{NEXTSTATE})) { |
Line 1453 variable stores the results. It also tak
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Line 1447 variable stores the results. It also tak
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which controls whether the user can select more then one resource. The |
which controls whether the user can select more then one resource. The |
"toponly" attribute controls whether the resource display shows just the |
"toponly" attribute controls whether the resource display shows just the |
resources in that sequence, or recurses into all sub-sequences, defaulting |
resources in that sequence, or recurses into all sub-sequences, defaulting |
to false. |
to false. The "suppressEmptySequences" attribute reflects the |
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suppressEmptySequences argument to the render routine, which will cause |
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folders that have all of their contained resources filtered out to also |
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be filtered out. |
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B<SUB-TAGS> |
B<SUB-TAGS> |
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Line 1514 sub start_resource {
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Line 1511 sub start_resource {
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$paramHash->{'variable'} = $token->[2]{'variable'}; |
$paramHash->{'variable'} = $token->[2]{'variable'}; |
$helper->declareVar($paramHash->{'variable'}); |
$helper->declareVar($paramHash->{'variable'}); |
$paramHash->{'multichoice'} = $token->[2]{'multichoice'}; |
$paramHash->{'multichoice'} = $token->[2]{'multichoice'}; |
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$paramHash->{'suppressEmptySequences'} = $token->[2]{'suppressEmptySequences'}; |
$paramHash->{'toponly'} = $token->[2]{'toponly'}; |
$paramHash->{'toponly'} = $token->[2]{'toponly'}; |
return ''; |
return ''; |
} |
} |
Line 1682 BUTTONS
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Line 1680 BUTTONS
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'showParts' => 0, |
'showParts' => 0, |
'filterFunc' => $filterFunc, |
'filterFunc' => $filterFunc, |
'resource_no_folder_link' => 1, |
'resource_no_folder_link' => 1, |
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'suppressEmptySequences' => $self->{'suppressEmptySequences'}, |
'iterator_map' => $mapUrl } |
'iterator_map' => $mapUrl } |
); |
); |
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Line 1693 BUTTONS
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Line 1692 BUTTONS
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sub postprocess { |
sub postprocess { |
my $self = shift; |
my $self = shift; |
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if ($self->{'multichoice'}) { |
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$self->process_multiple_choices($self->{'variable'}.'.forminput', |
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$self->{'variable'}); |
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} |
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if ($self->{'multichoice'} && !$helper->{VARS}->{$self->{'variable'}}) { |
if ($self->{'multichoice'} && !$helper->{VARS}->{$self->{'variable'}}) { |
$self->{ERROR_MSG} = 'You must choose at least one resource to continue.'; |
$self->{ERROR_MSG} = 'You must choose at least one resource to continue.'; |
return 0; |
return 0; |
Line 1855 sub postprocess {
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Line 1849 sub postprocess {
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return 0; |
return 0; |
} |
} |
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if ($self->{'multichoice'}) { |
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$self->process_multiple_choices($self->{'variable'}.'.forminput', |
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$self->{'variable'}); |
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} |
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if (defined($self->{NEXTSTATE})) { |
if (defined($self->{NEXTSTATE})) { |
$helper->changeState($self->{NEXTSTATE}); |
$helper->changeState($self->{NEXTSTATE}); |
} |
} |
Line 2143 sub postprocess {
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Line 2133 sub postprocess {
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return 0; |
return 0; |
} |
} |
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if ($self->{'multichoice'}) { |
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$self->process_multiple_choices($self->{'variable'}.'.forminput', |
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$self->{'variable'}); |
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} |
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if (defined($self->{NEXTSTATE})) { |
if (defined($self->{NEXTSTATE})) { |
$helper->changeState($self->{NEXTSTATE}); |
$helper->changeState($self->{NEXTSTATE}); |
} |
} |