From 8e7b31a19cc9f9d68d6c936d3d36e1d48c82248f Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kodama.kitenet.net>
Date: Mon, 21 Jul 2008 12:54:23 -0400
Subject: basic removal form skeleton

---
 IkiWiki/Plugin/remove.pm | 105 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 IkiWiki/Plugin/remove.pm

diff --git a/IkiWiki/Plugin/remove.pm b/IkiWiki/Plugin/remove.pm
new file mode 100644
index 000000000..77ddd63ba
--- /dev/null
+++ b/IkiWiki/Plugin/remove.pm
@@ -0,0 +1,105 @@
+#!/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
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