ikiwiki/IkiWiki/Plugin/remove.pm

142 lines
3.8 KiB
Perl

#!/usr/bin/perl
package IkiWiki::Plugin::remove;
use warnings;
use strict;
use IkiWiki 2.00;
sub import { #{{{
hook(type => "formbuilder_setup", id => "remove", call => \&formbuilder_setup);
hook(type => "formbuilder", id => "remove", call => \&formbuilder);
hook(type => "sessioncgi", id => "remove", call => \&sessioncgi);
} # }}}
sub formbuilder_setup (@) { #{{{
my %params=@_;
my $form=$params{form};
my $q=$params{cgi};
if (defined $form->field("do") && $form->field("do") eq "edit") {
# Removal button for the page, and also for attachments.
push @{$params{buttons}}, "Remove";
$form->tmpl_param("field-remove" => '<input name="_submit" type="submit" value="Remove Attachments" />');
}
} #}}}
sub confirmation_form ($$$) { #{{{
my $q=shift;
my $session=shift;
my $page=shift;
eval q{use CGI::FormBuilder};
error($@) if $@;
my @fields=qw(do page);
my $f = CGI::FormBuilder->new(
title => sprintf(gettext("confirm removal of %s"),
IkiWiki::pagetitle($page)),
name => "remove",
header => 0,
charset => "utf-8",
method => 'POST',
javascript => 0,
params => $q,
action => $config{cgiurl},
stylesheet => IkiWiki::baseurl()."style.css",
fields => \@fields,
);
$f->field(name => "do", type => "hidden", value => "remove", force => 1);
$f->field(name => "page", type => "hidden", value => $page, force => 1);
return $f, ["Remove", "Cancel"];
} #}}}
sub formbuilder (@) { #{{{
my %params=@_;
my $form=$params{form};
if (defined $form->field("do") && $form->field("do") eq "edit") {
if ($form->submitted eq "Remove") {
my $q=$params{cgi};
my $session=$params{session};
# Save current form state to allow returning to it later
# without losing any edits.
# (But don't save what button was submitted, to avoid
# looping back to here.)
# Note: "_submit" is CGI::FormBuilder internals.
$q->param(-name => "_submit", -value => "");
$session->param(postremove => scalar $q->Vars);
IkiWiki::cgi_savesession($session);
# Display a small confirmation form.
my ($f, $buttons)=confirmation_form($q, $session, $form->field("page"));
IkiWiki::showform($f, $buttons, $session, $q);
exit 0;
}
elsif ($form->submitted eq "Remove Attachments") {
}
}
} #}}}
sub sessioncgi ($$) { #{{{
my $q=shift;
if ($q->param("do") eq 'remove') {
my $session=shift;
my ($form, $buttons)=confirmation_form($q, $session, $session->param("page"));
IkiWiki::decode_form_utf8($form);
if ($form->submitted eq 'Cancel') {
# Load saved form state and return to edit form.
my $postremove=CGI->new($session->param("postremove"));
$session->clear("postremove");
IkiWiki::cgi_savesession($session);
IkiWiki::cgi($postremove, $session);
}
elsif ($form->submitted eq 'Remove' && $form->validate) {
my $page=$form->field("page");
my $file=$pagesources{$page};
# Validate removal by checking that the page exists,
# and that the user is allowed to edit(/remove) it.
if (! exists $pagesources{$page}) {
error(sprintf(gettext("%s does not exist"),
htmllink("", "", $page, noimageinline => 1)));
}
IkiWiki::check_canedit($page, $q, $session);
# Do removal, and update the wiki.
require IkiWiki::Render;
if ($config{rcs}) {
IkiWiki::rcs_remove($file);
IkiWiki::disable_commit_hook();
IkiWiki::rcs_commit($file, gettext("removed"),
IkiWiki::rcs_prepedit($file),
$session->param("name"), $ENV{REMOTE_ADDR});
IkiWiki::enable_commit_hook();
IkiWiki::rcs_update();
}
IkiWiki::prune("$config{srcdir}/$file");
IkiWiki::refresh();
IkiWiki::saveindex();
# Redirect to parent of the page.
my $parent=IkiWiki::dirname($page);
if (! exists $pagesources{$parent}) {
$parent="index";
}
IkiWiki::redirect($q, $config{url}."/".htmlpage($parent));
}
else {
IkiWiki::showform($form, $buttons, $session, $q);
}
exit 0;
}
}
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