path: root/IkiWiki/Plugin/remove.pm

#!/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") && $form->field("do") eq "edit") {
        push @{$params{buttons}}, "Remove";
        # TODO button for attachments
    }
} #}}}

sub confirmation_form ($$) { #{{{ 
    my $q=shift;
    my $session=shift;

    eval q{use CGI::FormBuilder};
    error($@) if $@;
    my @fields=qw(do page);
    my $f = CGI::FormBuilder->new(
        title => "confirm removal",
        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", label => "Will remove:", validate => sub {
        my $page=shift;
        if (! exists $pagesources{$page}) {
            $f->field(name => "page", message => gettext("page does not exist"));
            return 0;
        }
        else {
            IkiWiki::check_canedit($page, $q, $session);
            return 1;
        }
    });

    return $f, ["Remove", "Cancel"];
} #}}}

sub formbuilder (@) { #{{{
    my %params=@_;
    my $form=$params{form};

    if (defined $form->field("do") && $form->field("do") eq "edit" &&
        $form->submitted eq "Remove") {
        # When the remove button is pressed on the edit form,
        # save the rest of the form state and generate a small
        # remove confirmation form.

        # TODO save state


        my $q=$params{cgi};
        my $session=$params{session};
        my ($f, $buttons)=confirmation_form($q, $session);
        $f->field(name => "page", value => $form->field("page"),
            force => 1);
        IkiWiki::showform($f, $buttons, $session, $q);
        exit 0;
    }
} #}}}

sub sessioncgi ($$) { #{{{
        my $q=shift;

    if ($q->param("do") eq 'remove') {
            my $session=shift;
        my ($form, $buttons)=confirmation_form($q, $session);
        IkiWiki::decode_form_utf8($form);
        if ($form->submitted eq 'Cancel') {
            error("canceled"); # TODO load state
        }
        elsif ($form->submitted eq 'Remove' && $form->validate) {
            error("removal not yet implemented"); # TODO
        }
        else {
            IkiWiki::showform($form, $buttons, $session, $q);
            exit 0;
        }
    }
}

1