X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/96dab37a8e3acc58fb0ab5be0657c0e545e9684a..68869d664b978b063c9181d024edb34a63306c33:/IkiWiki/Plugin/rename.pm

diff --git a/IkiWiki/Plugin/rename.pm b/IkiWiki/Plugin/rename.pm
index 38f703ddd..f79349561 100644
--- a/IkiWiki/Plugin/rename.pm
+++ b/IkiWiki/Plugin/rename.pm
@@ -3,23 +3,33 @@ package IkiWiki::Plugin::rename;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
-sub import { #{{{
+sub import {
+	hook(type => "getsetup", id => "rename", call => \&getsetup);
 	hook(type => "formbuilder_setup", id => "rename", call => \&formbuilder_setup);
 	hook(type => "formbuilder", id => "rename", call => \&formbuilder);
 	hook(type => "sessioncgi", id => "rename", call => \&sessioncgi);
 
-} # }}}
+}
+
+sub getsetup () {
+	return 
+		plugin => {
+			safe => 1,
+			rebuild => 0,
+		},
+}
 
-sub check_canrename ($$$$$$$) { #{{{
+sub check_canrename ($$$$$$) {
 	my $src=shift;
 	my $srcfile=shift;
 	my $dest=shift;
 	my $destfile=shift;
 	my $q=shift;
 	my $session=shift;
-	my $attachment=shift;
+
+	my $attachment=! defined pagetype($pagesources{$src});
 
 	# Must be a known source file.
 	if (! exists $pagesources{$src}) {
@@ -38,12 +48,17 @@ sub check_canrename ($$$$$$$) { #{{{
 	# Must be editable.
 	IkiWiki::check_canedit($src, $q, $session);
 	if ($attachment) {
-		IkiWiki::Plugin::attachment::check_canattach($session, $src, $srcfile);
+		if (IkiWiki::Plugin::attachment->can("check_canattach")) {
+			IkiWiki::Plugin::attachment::check_canattach($session, $src, $srcfile);
+		}
+		else {
+			error("renaming of attachments is not allowed");
+		}
 	}
 	
 	# Dest checks can be omitted by passing undef.
 	if (defined $dest) {
-		if ($src eq $dest || $srcfile eq $destfile) {
+		if ($srcfile eq $destfile) {
 			error(gettext("no change to the file name was specified"));
 		}
 
@@ -54,7 +69,7 @@ sub check_canrename ($$$$$$$) { #{{{
 		}
 
 		# Must not be a known source file.
-		if (exists $pagesources{$dest}) {
+		if ($src ne $dest && exists $pagesources{$dest}) {
 			error(sprintf(gettext("%s already exists"),
 				htmllink("", "", $dest, noimageinline => 1)));
 		}
@@ -72,9 +87,30 @@ sub check_canrename ($$$$$$$) { #{{{
 			IkiWiki::Plugin::attachment::check_canattach($session, $dest, $srcfile);
 		}
 	}
-} #}}}
 
-sub rename_form ($$$) { #{{{ 
+	my $canrename;
+	IkiWiki::run_hooks(canrename => sub {
+		return if defined $canrename;
+		my $ret=shift->($q, $session, src => $src, srcfile => $srcfile,
+				dest => $dest, destfile => $destfile);
+		if (defined $ret) {
+			if ($ret eq "") {
+				$canrename=1;
+			}
+			elsif (ref $ret eq 'CODE') {
+				$ret->();
+				$canrename=0;
+			}
+			elsif (defined $ret) {
+				error($ret);
+				$canrename=0;
+			}
+		}
+	});
+	return $canrename;
+}
+
+sub rename_form ($$$) {
 	my $q=shift;
 	my $session=shift;
 	my $page=shift;
@@ -83,7 +119,7 @@ sub rename_form ($$$) { #{{{
 	error($@) if $@;
 	my $f = CGI::FormBuilder->new(
 		name => "rename",
-		title => sprintf(gettext("rename %s"), IkiWiki::pagetitle($page)),
+		title => sprintf(gettext("rename %s"), pagetitle($page)),
 		header => 0,
 		charset => "utf-8",
 		method => 'POST',
@@ -96,11 +132,41 @@ sub rename_form ($$$) { #{{{
 	
 	$f->field(name => "do", type => "hidden", value => "rename", force => 1);
 	$f->field(name => "page", type => "hidden", value => $page, force => 1);
-	$f->field(name => "new_name", value => IkiWiki::pagetitle($page), size => 60);
+	$f->field(name => "new_name", value => pagetitle($page, 1), size => 60);
+	if (!$q->param("attachment")) {
+		# insert the standard extensions
+		my @page_types;
+		if (exists $IkiWiki::hooks{htmlize}) {
+			@page_types=grep { !/^_/ }
+				keys %{$IkiWiki::hooks{htmlize}};
+		}
+	
+		# make sure the current extension is in the list
+		my ($ext) = $pagesources{$page}=~/\.([^.]+)$/;
+		if (! $IkiWiki::hooks{htmlize}{$ext}) {
+			unshift(@page_types, $ext);
+		}
+	
+		$f->field(name => "type", type => 'select',
+			options => \@page_types,
+			value => $ext, force => 1);
+		
+		foreach my $p (keys %pagesources) {
+			if ($pagesources{$p}=~m/^\Q$page\E\//) {
+				$f->field(name => "subpages",
+					label => "",
+					type => "checkbox",
+					options => [ [ 1 => gettext("Also rename SubPages and attachments") ] ],
+					value => 1,
+					force => 1);
+				last;
+			}
+		}
+	}
 	$f->field(name => "attachment", type => "hidden");
 
 	return $f, ["Rename", "Cancel"];
-} #}}}
+}
 
 sub rename_start ($$$$) {
 	my $q=shift;
@@ -109,7 +175,7 @@ sub rename_start ($$$$) {
 	my $page=shift;
 
 	check_canrename($page, $pagesources{$page}, undef, undef,
-		$q, $session, $attachment);
+		$q, $session);
 
    	# Save current form state to allow returning to it later
 	# without losing any edits.
@@ -120,17 +186,17 @@ sub rename_start ($$$$) {
 	$session->param(postrename => scalar $q->Vars);
 	IkiWiki::cgi_savesession($session);
 	
-	my ($f, $buttons)=rename_form($q, $session, $page);
 	if (defined $attachment) {
-		$f->field(name => "attachment", value => $attachment, force => 1);
+		$q->param(-name => "attachment", -value => $attachment);
 	}
-	
+	my ($f, $buttons)=rename_form($q, $session, $page);
 	IkiWiki::showform($f, $buttons, $session, $q);
 	exit 0;
 }
 
-sub postrename ($;$$) {
+sub postrename ($;$$$) {
 	my $session=shift;
+	my $src=shift;
 	my $dest=shift;
 	my $attachment=shift;
 
@@ -139,28 +205,38 @@ sub postrename ($;$$) {
 	$session->clear("postrename");
 	IkiWiki::cgi_savesession($session);
 
-	if (defined $dest && ! $attachment) {
-		# They renamed the page they were editing. This requires
-		# fixups to the edit form state.
-		# Tweak the edit form to be editing the new page.
-		$postrename->param("page", $dest);
-		# Get a new edit token; old one might not be valid for the
-		# renamed file.
-		$postrename->param("rcsinfo", IkiWiki::rcs_prepedit($pagesources{$dest}));
+	if (defined $dest) {
+		if (! $attachment) {
+			# They renamed the page they were editing. This requires
+			# fixups to the edit form state.
+			# Tweak the edit form to be editing the new page.
+			$postrename->param("page", $dest);
+		}
+
+		# Update edit form content to fix any links present
+		# on it.
+		$postrename->param("editcontent",
+			renamelink_hook($dest, $src, $dest,
+				 $postrename->param("editcontent")));
+
+		# Get a new edit token; old was likely invalidated.
+		$postrename->param("rcsinfo",
+			IkiWiki::rcs_prepedit($pagesources{$dest}));
 	}
 
 	IkiWiki::cgi_editpage($postrename, $session);
 }
 
-sub formbuilder (@) { #{{{
+sub formbuilder (@) {
 	my %params=@_;
 	my $form=$params{form};
 
-	if (defined $form->field("do") && $form->field("do") eq "edit") {
+	if (defined $form->field("do") && ($form->field("do") eq "edit" ||
+	    $form->field("do") eq "create")) {
 		my $q=$params{cgi};
 		my $session=$params{session};
 
-		if ($form->submitted eq "Rename") {
+		if ($form->submitted eq "Rename" && $form->field("do") eq "edit") {
 			rename_start($q, $session, 0, $form->field("page"));
 		}
 		elsif ($form->submitted eq "Rename Attachment") {
@@ -174,27 +250,28 @@ sub formbuilder (@) { #{{{
 			rename_start($q, $session, 1, $selected[0]);
 		}
 	}
-} #}}}
+}
 
 my $renamesummary;
 
-sub formbuilder_setup (@) { #{{{
+sub formbuilder_setup (@) {
 	my %params=@_;
 	my $form=$params{form};
 	my $q=$params{cgi};
 
-	if (defined $form->field("do") && $form->field("do") eq "edit") {
+	if (defined $form->field("do") && ($form->field("do") eq "edit" ||
+	    $form->field("do") eq "create")) {
 		# Rename button for the page, and also for attachments.
-		push @{$params{buttons}}, "Rename";
+		push @{$params{buttons}}, "Rename" if $form->field("do") eq "edit";
 		$form->tmpl_param("field-rename" => '<input name="_submit" type="submit" value="Rename Attachment" />');
 
 		if (defined $renamesummary) {
 			$form->tmpl_param(message => $renamesummary);
 		}
 	}
-} #}}}
+}
 
-sub sessioncgi ($$) { #{{{
+sub sessioncgi ($$) {
         my $q=shift;
 
 	if ($q->param("do") eq 'rename') {
@@ -206,73 +283,143 @@ sub sessioncgi ($$) { #{{{
 			postrename($session);
 		}
 		elsif ($form->submitted eq 'Rename' && $form->validate) {
+			# Queue of rename actions to perfom.
+			my @torename;
+
 			# These untaints are safe because of the checks
-			# performed in check_canrename below.
+			# performed in check_canrename later.
 			my $src=$q->param("page");
 			my $srcfile=IkiWiki::possibly_foolish_untaint($pagesources{$src});
-			my $dest=IkiWiki::possibly_foolish_untaint(IkiWiki::titlepage($q->param("new_name")));
-
-			# The extension of dest is the same as src if it's
-			# a page. If it's an extension, the extension is
-			# already included.
+			my $dest=IkiWiki::possibly_foolish_untaint(titlepage($q->param("new_name")));
 			my $destfile=$dest;
 			if (! $q->param("attachment")) {
-				my ($ext)=$srcfile=~/(\.[^.]+)$/;
-				$destfile.=$ext;
+				my $type=$q->param('type');
+				if (defined $type && length $type && $IkiWiki::hooks{htmlize}{$type}) {
+					$type=IkiWiki::possibly_foolish_untaint($type);
+				}
+				else {
+					my ($ext)=$srcfile=~/\.([^.]+)$/;
+					$type=$ext;
+				}
+				
+				$destfile=newpagefile($dest, $type);
+			}
+			push @torename, {
+				src => $src,
+			       	srcfile => $srcfile,
+				dest => $dest,
+			       	destfile => $destfile,
+				required => 1,
+			};
+
+			IkiWiki::run_hooks(rename => sub { shift->(\@torename, $q, $session); });
+
+			# See if any subpages need to be renamed.
+			if ($q->param("subpages") && $src ne $dest) {
+				foreach my $p (keys %pagesources) {
+					next unless $pagesources{$p}=~m/^\Q$src\E\//;
+					# If indexpages is enabled, the
+					# srcfile should not be confused
+					# with a subpage.
+					next if $pagesources{$p} eq $srcfile;
+
+					my $d=$pagesources{$p};
+					$d=~s/^\Q$src\E\//$dest\//;
+					push @torename, {
+						src => $p,
+						srcfile => $pagesources{$p},
+						dest => pagename($d),
+						destfile => $d,
+						required => 0,
+					};
+				}
 			}
+			
+			require IkiWiki::Render;
+			IkiWiki::disable_commit_hook() if $config{rcs};
+			my %origpagesources=%pagesources;
 
-			check_canrename($src, $srcfile, $dest, $destfile,
-				$q, $session, $q->param("attachment"));
+			# First file renaming.
+			foreach my $rename (@torename) {
+				if ($rename->{required}) {
+					do_rename($rename, $q, $session);
+				}
+				else {
+					eval {do_rename($rename, $q, $session)};
+					if ($@) {
+						$rename->{error}=$@;
+						next;
+					}
+				}
 
-			# Ensures that the dest directory exists and is ok.
-			IkiWiki::prep_writefile($destfile, $config{srcdir});
+				# Temporarily tweak pagesources to point to
+				# the renamed file, in case fixlinks needs
+				# to edit it.
+				$pagesources{$rename->{src}}=$rename->{destfile};
+			}
+			IkiWiki::rcs_commit_staged(
+				sprintf(gettext("rename %s to %s"), $srcfile, $destfile),
+				$session->param("name"), $ENV{REMOTE_ADDR}) if $config{rcs};
+
+			# Then link fixups.
+			foreach my $rename (@torename) {
+				next if $rename->{src} eq $rename->{dest};
+				next if $rename->{error};
+				foreach my $p (fixlinks($rename, $session)) {
+					# map old page names to new
+					foreach my $r (@torename) {
+						next if $rename->{error};
+						if ($r->{src} eq $p) {
+							$p=$r->{dest};
+							last;
+						}
+					}
+					push @{$rename->{fixedlinks}}, $p;
+				}
+			}
 
-			# Do rename, and update the wiki.
-			require IkiWiki::Render;
+			# Then refresh.
+			%pagesources=%origpagesources;
 			if ($config{rcs}) {
-				IkiWiki::disable_commit_hook();
-				IkiWiki::rcs_rename($srcfile, $destfile);
-				IkiWiki::rcs_commit_staged(
-					sprintf(gettext("rename %s to %s"), $src, $dest),
-					$session->param("name"), $ENV{REMOTE_ADDR});
 				IkiWiki::enable_commit_hook();
 				IkiWiki::rcs_update();
 			}
-			else {
-				if (! rename("$config{srcdir}/$srcfile", "$config{srcdir}/$destfile")) {
-					error("rename: $!");
-				}
-			}
 			IkiWiki::refresh();
 			IkiWiki::saveindex();
 
-			# scan for broken links to $src
-			my @brokenlinks;
-			foreach my $page (keys %links) {
-				foreach my $link (@{$links{$page}}) {
-					my $bestlink=bestlink($page, $link);
-					if ($bestlink eq $src) {
-						push @brokenlinks, $page;
+			# Find pages with remaining, broken links.
+			foreach my $rename (@torename) {
+				next if $rename->{src} eq $rename->{dest};
+				
+				foreach my $page (keys %links) {
+					my $broken=0;
+					foreach my $link (@{$links{$page}}) {
+						my $bestlink=bestlink($page, $link);
+						if ($bestlink eq $rename->{src}) {
+							push @{$rename->{brokenlinks}}, $page;
+							last;
+						}
 					}
 				}
 			}
 
-			# Generate a rename summary, that will be shown at the top
+			# Generate a summary, that will be shown at the top
 			# of the edit template.
-			my $template=template("renamesummary.tmpl");
-			$template->param(src => $src);
-			$template->param(dest => $dest);
-			$template->param(linklist => [
-				map {
-					{
-						page => htmllink($dest, $dest, $_,
-								noimageinline => 1)
-					}
-				} @brokenlinks
-			]);
-			$renamesummary=$template->output;
+			$renamesummary="";
+			foreach my $rename (@torename) {
+				my $template=template("renamesummary.tmpl");
+				$template->param(src => $rename->{srcfile});
+				$template->param(dest => $rename->{destfile});
+				$template->param(error => $rename->{error});
+				if ($rename->{src} ne $rename->{dest}) {
+					$template->param(brokenlinks_checked => 1);
+					$template->param(brokenlinks => linklist($rename->{dest}, $rename->{brokenlinks}));
+					$template->param(fixedlinks => linklist($rename->{dest}, $rename->{fixedlinks}));
+				}
+				$renamesummary.=$template->output;
+			}
 
-			postrename($session, $dest, $q->param("attachment"));
+			postrename($session, $src, $dest, $q->param("attachment"));
 		}
 		else {
 			IkiWiki::showform($form, $buttons, $session, $q);
@@ -281,5 +428,102 @@ sub sessioncgi ($$) { #{{{
 		exit 0;
 	}
 }
+						
+sub linklist {
+	# generates a list of links in a form suitable for FormBuilder
+	my $dest=shift;
+	my $list=shift;
+	# converts a list of pages into a list of links
+	# in a form suitable for FormBuilder.
+
+	[map {
+		{
+			page => htmllink($dest, $dest, $_,
+					noimageinline => 1,
+					linktext => pagetitle($_),
+				)
+		}
+	} @{$list}]
+}
+
+sub renamelink_hook ($$$$) {
+	my ($page, $src, $dest, $content)=@_;
+
+	IkiWiki::run_hooks(renamelink => sub {
+		$content=shift->(
+			page => $page,
+			oldpage => $src,
+			newpage => $dest,
+			content => $content,
+		);
+	});
+
+	return $content;
+}
+			
+sub do_rename ($$$) {
+	my $rename=shift;
+	my $q=shift;
+	my $session=shift;
+
+	# First, check if this rename is allowed.
+	check_canrename($rename->{src},
+		$rename->{srcfile},
+		$rename->{dest},
+		$rename->{destfile},
+		$q, $session);
+
+	# Ensure that the dest directory exists and is ok.
+	IkiWiki::prep_writefile($rename->{destfile}, $config{srcdir});
+
+	if ($config{rcs}) {
+		IkiWiki::rcs_rename($rename->{srcfile}, $rename->{destfile});
+	}
+	else {
+		if (! rename($config{srcdir}."/".$rename->{srcfile},
+		             $config{srcdir}."/".$rename->{destfile})) {
+			error("rename: $!");
+		}
+	}
+
+}
+
+sub fixlinks ($$$) {
+	my $rename=shift;
+	my $session=shift;
+
+	my @fixedlinks;
+
+	foreach my $page (keys %links) {
+		my $needfix=0;
+		foreach my $link (@{$links{$page}}) {
+			my $bestlink=bestlink($page, $link);
+			if ($bestlink eq $rename->{src}) {
+				$needfix=1;
+				last;
+			}
+		}
+		if ($needfix) {
+			my $file=$pagesources{$page};
+			my $oldcontent=readfile($config{srcdir}."/".$file);
+			my $content=renamelink_hook($page, $rename->{src}, $rename->{dest}, $oldcontent);
+			if ($oldcontent ne $content) {
+				my $token=IkiWiki::rcs_prepedit($file);
+				eval { writefile($file, $config{srcdir}, $content) };
+				next if $@;
+				my $conflict=IkiWiki::rcs_commit(
+					$file,
+					sprintf(gettext("update for rename of %s to %s"), $rename->{srcfile}, $rename->{destfile}),
+					$token,
+					$session->param("name"), 
+					$ENV{REMOTE_ADDR}
+				);
+				push @fixedlinks, $page if ! defined $conflict;
+			}
+		}
+	}
+
+	return @fixedlinks;
+}
 
 1