X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/680cd2fbc3c3df34409bfdc2bdb3f7473c1b1523..a8d313aba1094fc6d976c9ba3d09f58b768435c5:/IkiWiki/Plugin/websetup.pm

diff --git a/IkiWiki/Plugin/websetup.pm b/IkiWiki/Plugin/websetup.pm
index e1536a1a7..e477bcc20 100644
--- a/IkiWiki/Plugin/websetup.pm
+++ b/IkiWiki/Plugin/websetup.pm
@@ -3,16 +3,235 @@ package IkiWiki::Plugin::websetup;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
-sub import { #{{{
-	hook(type => "sessioncgi", id => "websetup",
-	     call => \&sessioncgi);
-	hook(type => "formbuilder_setup", id => "websetup",
+sub import {
+	hook(type => "getsetup", id => "websetup", call => \&getsetup);
+	hook(type => "checkconfig", id => "websetup", call => \&checkconfig);
+	hook(type => "sessioncgi", id => "websetup", call => \&sessioncgi);
+	hook(type => "formbuilder_setup", id => "websetup", 
 	     call => \&formbuilder_setup);
-} # }}}
+}
 
-sub showform ($$) { #{{{
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => 0,
+		},
+		websetup_force_plugins => {
+			type => "string",
+			example => [],
+			description => "list of plugins that cannot be enabled/disabled via the web interface",
+			safe => 0,
+			rebuild => 0,
+		},
+		websetup_show_unsafe => {
+			type => "boolean",
+			example => 1,
+			description => "show unsafe settings, read-only, in web interface?",
+			safe => 0,
+			rebuild => 0,
+		},
+}
+
+sub checkconfig () {
+	if (! exists $config{websetup_show_unsafe}) {
+		$config{websetup_show_unsafe}=1;
+	}
+}
+
+sub formatexample ($$) {
+	my $example=shift;
+	my $value=shift;
+
+	if (defined $value && length $value) {
+		return "";
+	}
+	elsif (defined $example && ! ref $example && length $example) {
+		return "<br/ ><small>Example: <tt>$example</tt></small>";
+	}
+	else {
+		return "";
+	}
+}
+
+sub showfields ($$$@) {
+	my $form=shift;
+	my $plugin=shift;
+	my $enabled=shift;
+
+	my @show;
+	my %plugininfo;
+	while (@_) {
+		my $key=shift;
+		my %info=%{shift()};
+
+		# skip internal settings
+		next if defined $info{type} && $info{type} eq "internal";
+		# XXX hashes not handled yet
+		next if ref $config{$key} && ref $config{$key} eq 'HASH' || ref $info{example} eq 'HASH';
+		# maybe skip unsafe settings
+		next if ! $info{safe} && ! ($config{websetup_show_unsafe} && $config{websetup_advanced});
+		# maybe skip advanced settings
+		next if $info{advanced} && ! $config{websetup_advanced};
+		# these are handled specially, so don't show
+		next if $key eq 'add_plugins' || $key eq 'disable_plugins';
+
+		if ($key eq 'plugin') {
+			%plugininfo=%info;
+			next;
+		}
+		
+		push @show, $key, \%info;
+	}
+
+	my $section=defined $plugin ? $plugin." ".gettext("plugin") : "main";
+	my %enabledfields;
+	my $shownfields=0;
+	
+	my $plugin_forced=defined $plugin && (! $plugininfo{safe} ||
+		(exists $config{websetup_force_plugins} && grep { $_ eq $plugin } @{$config{websetup_force_plugins}}));
+	if ($plugin_forced && ! $enabled) {
+		# plugin is forced disabled, so skip its settings
+		@show=();
+	}
+
+	# show plugin toggle
+	if (defined $plugin && (! $plugin_forced || $config{websetup_advanced})) {
+		my $name="enable.$plugin";
+		$form->field(
+			name => $name,
+			label => "",
+			type => "checkbox",
+			fieldset => $section,
+			options => [ [ 1 => sprintf(gettext("enable %s?"), $plugin) ]]
+		);
+		if (! $form->submitted) {
+			$form->field(name => $name, value => $enabled);
+		}
+		if ($plugin_forced) {
+			$form->field(name => $name, disabled => 1);
+		}
+		else {
+			$enabledfields{$name}=[$name, \%plugininfo];
+		}
+	}
+
+	# show plugin settings
+	while (@show) {
+		my $key=shift @show;
+		my %info=%{shift @show};
+
+		my $description=$info{description};
+		if (exists $info{link} && length $info{link}) {
+			if ($info{link} =~ /^\w+:\/\//) {
+				$description="<a href=\"$info{link}\">$description</a>";
+			}
+			else {
+				$description=htmllink("", "", $info{link}, noimageinline => 1, linktext => $description);
+			}
+		}
+
+		# multiple plugins can have the same field
+		my $name=defined $plugin ? $plugin.".".$key : $section.".".$key;
+
+		my $value=$config{$key};
+
+		if ($info{safe} && (ref $value eq 'ARRAY' || ref $info{example} eq 'ARRAY')) {
+			$value=[(ref $value eq 'ARRAY' ? map { Encode::encode_utf8($_) }  @{$value} : ""),
+				"", ""]; # blank items for expansion
+		}
+		else {
+			$value=Encode::encode_utf8($value);
+		}
+
+		if ($info{type} eq "string") {
+			$form->field(
+				name => $name,
+				label => $description,
+				comment => formatexample($info{example}, $value),
+				type => "text",
+				value => $value,
+				size => 60,
+				fieldset => $section,
+			);
+		}
+		elsif ($info{type} eq "pagespec") {
+			$form->field(
+				name => $name,
+				label => $description,
+				comment => formatexample($info{example}, $value),
+				type => "text",
+				value => $value,
+				size => 60,
+				validate => \&IkiWiki::pagespec_valid,
+				fieldset => $section,
+			);
+		}
+		elsif ($info{type} eq "integer") {
+			$form->field(
+				name => $name,
+				label => $description,
+				comment => formatexample($info{example}, $value),
+				type => "text",
+				value => $value,
+				size => 5,
+				validate => '/^[0-9]+$/',
+				fieldset => $section,
+			);
+		}
+		elsif ($info{type} eq "boolean") {
+			$form->field(
+				name => $name,
+				label => "",
+				type => "checkbox",
+				options => [ [ 1 => $description ] ],
+				fieldset => $section,
+			);
+			if (! $form->submitted) {
+				$form->field(name => $name, value => $value);
+			}
+		}
+		
+		if (! $info{safe}) {
+			$form->field(name => $name, disabled => 1);
+		}
+		else {
+			$enabledfields{$name}=[$key, \%info];
+		}
+		$shownfields++;
+	}
+	
+	# if no fields were shown for the plugin, drop it into the
+	# plugins fieldset
+	if (defined $plugin && (! $plugin_forced || $config{websetup_advanced}) &&
+	    ! $shownfields) {
+		$form->field(name => "enable.$plugin", fieldset => "plugins");
+	}
+
+	return %enabledfields;
+}
+
+sub enable_plugin ($) {
+	my $plugin=shift;
+
+	$config{disable_plugins}=[grep { $_ ne $plugin } @{$config{disable_plugins}}];
+	push @{$config{add_plugins}}, $plugin;
+}
+
+sub disable_plugin ($) {
+	my $plugin=shift;
+
+	if (grep { $_ eq $plugin } @{$config{add_plugins}}) {
+		$config{add_plugins}=[grep { $_ ne $plugin } @{$config{add_plugins}}];
+	}
+	else {
+		push @{$config{disable_plugins}}, $plugin;
+	}
+}
+
+sub showform ($$) {
 	my $cgi=shift;
 	my $session=shift;
 
@@ -21,6 +240,10 @@ sub showform ($$) { #{{{
 		error(gettext("you are not logged in as an admin"));
 	}
 
+	if (! exists $config{setupfile}) {
+		error(gettext("setup file for this wiki is not known"));
+	}
+
 	eval q{use CGI::FormBuilder};
 	error($@) if $@;
 
@@ -30,41 +253,212 @@ sub showform ($$) { #{{{
 		header => 0,
 		charset => "utf-8",
 		method => 'POST',
+		javascript => 0,
+		reset => 1,
 		params => $cgi,
+		fieldsets => [
+			[main => gettext("main")], 
+			[plugins => gettext("plugins")]
+		],
 		action => $config{cgiurl},
 		template => {type => 'div'},
 		stylesheet => IkiWiki::baseurl()."style.css",
 	);
-	my $buttons=["Save Setup", "Cancel"];
+	
+	$form->field(name => "do", type => "hidden", value => "setup",
+		force => 1);
+	$form->field(name => "rebuild_asked", type => "hidden");
+
+	if ($form->submitted eq 'Basic Mode') {
+		$form->field(name => "showadvanced", type => "hidden", 
+			value => 0, force => 1);
+	}
+	elsif ($form->submitted eq 'Advanced Mode') {
+		$form->field(name => "showadvanced", type => "hidden", 
+			value => 1, force => 1);
+	}
+	my $advancedtoggle;
+	if ($form->field("showadvanced")) {
+		$config{websetup_advanced}=1;
+		$advancedtoggle="Basic Mode";
+	}
+	else {
+		$config{websetup_advanced}=0;
+		$advancedtoggle="Advanced Mode";
+	}
+
+	my $buttons=["Save Setup", $advancedtoggle, "Cancel"];
 
 	IkiWiki::decode_form_utf8($form);
 	IkiWiki::run_hooks(formbuilder_setup => sub {
 		shift->(form => $form, cgi => $cgi, session => $session,
 			buttons => $buttons);
 	});
-	IkiWiki::decode_form_utf8($form);
 
-	$form->field(name => "do", type => "hidden", value => "setup",
-		force => 1);
+	my %fields=showfields($form, undef, undef, IkiWiki::getsetup());
+	
+	# record all currently enabled plugins before all are loaded
+	my %enabled_plugins=%IkiWiki::loaded_plugins;
 
-	if (! $form->submitted) {
-		# TODO
+	# per-plugin setup
+	require IkiWiki::Setup;
+	foreach my $pair (IkiWiki::Setup::getsetup()) {
+		my $plugin=$pair->[0];
+		my $setup=$pair->[1];
+
+		my %shown=showfields($form, $plugin, $enabled_plugins{$plugin}, @{$setup});
+		if (%shown) {
+			$fields{$_}=$shown{$_} foreach keys %shown;
+		}
 	}
 
+	IkiWiki::decode_form_utf8($form);
+	
 	if ($form->submitted eq "Cancel") {
 		IkiWiki::redirect($cgi, $config{url});
 		return;
 	}
-	elsif ($form->submitted eq 'Save Setup' && $form->validate) {
-		# TODO
+	elsif (($form->submitted eq 'Save Setup' || $form->submitted eq 'Rebuild Wiki') && $form->validate) {
+		# Push values from form into %config, avoiding unnecessary
+		# changes, and keeping track of which changes need a
+		# rebuild.
+		my %rebuild;
+		foreach my $field (keys %fields) {
+			my %info=%{$fields{$field}->[1]};
+			my $key=$fields{$field}->[0];
+			my @value=$form->field($field);
+			if (! @value) {
+				@value=0;
+			}
+		
+			if (! $info{safe}) {
+	 			error("unsafe field $key"); # should never happen
+			}
+		
+			if (exists $info{rebuild} &&
+			    ($info{rebuild} || ! defined $info{rebuild})) {
+				$rebuild{$field}=$info{rebuild};
+			}
+					
+			if ($field=~/^enable\.(.*)/) {
+				my $plugin=$1;
+				$value[0]=0 if ! length $value[0];
+				if ($value[0] != exists $enabled_plugins{$plugin}) {
+					if ($value[0]) {
+						enable_plugin($plugin);
+					}
+					else {
+						disable_plugin($plugin);
+
+					}
+				}
+				else {
+					delete $rebuild{$field};
+				}
+				next;
+			}
 
-		$form->text(gettext("Setup saved."));
+			if (ref $config{$key} eq "ARRAY" || ref $info{example} eq "ARRAY") {
+				@value=sort grep { length $_ } @value;
+				my @oldvalue=sort grep { length $_ }
+					(defined $config{$key} ? @{$config{$key}} : ());
+				my $same=(@oldvalue) == (@value);
+				for (my $x=0; $same && $x < @value; $x++) {
+					$same=0 if $value[$x] ne $oldvalue[$x];
+				}
+				if ($same) {
+					delete $rebuild{$field};
+				}
+				else {
+					$config{$key}=\@value;
+				}
+			}
+			elsif (ref $config{$key} || ref $info{example}) {
+				error("complex field $key"); # should never happen
+			}
+			else {
+				if (defined $config{$key} && $config{$key} eq $value[0]) {
+					delete $rebuild{$field};
+				}
+				elsif (! defined $config{$key} && ! length $value[0]) {
+					delete $rebuild{$field};
+				}
+				elsif ((! defined $config{$key} || ! $config{$key}) &&
+				       ! $value[0] && $info{type} eq "boolean") {
+					delete $rebuild{$field};
+				}
+				else {
+					$config{$key}=$value[0];
+				}
+			}
+		}
+		
+		if (%rebuild && ! $form->field("rebuild_asked")) {
+			my $required=0;
+			foreach my $field ($form->field) {
+				$required=1 if $rebuild{$field};
+				next if exists $rebuild{$field};
+				$form->field(name => $field, type => "hidden");
+			}
+			if ($required) {
+				$form->text(gettext("The configuration changes shown below require a wiki rebuild to take effect."));
+				$buttons=["Rebuild Wiki", "Cancel"];
+			}
+			else {
+				$form->text(gettext("For the configuration changes shown below to fully take effect, you may need to rebuild the wiki."));
+				$buttons=["Rebuild Wiki", "Save Setup", "Cancel"];
+			}
+			$form->field(name => "rebuild_asked", value => 1, force => 1);
+			$form->reset(0); # doesn't really make sense here
+		}
+		else {
+			my $oldsetup=readfile($config{setupfile});
+			IkiWiki::Setup::dump($config{setupfile});
+
+			IkiWiki::saveindex();
+			IkiWiki::unlockwiki();
+
+			# Print the top part of a standard misctemplate,
+			# then show the rebuild or refresh.
+			my $divider="xxx";
+			my $html=IkiWiki::misctemplate("setup", $divider);
+			IkiWiki::printheader($session);
+			my ($head, $tail)=split($divider, $html, 2);
+			print $head."<pre>\n";
+
+			my @command;
+			if ($form->submitted eq 'Rebuild Wiki') {
+				@command=("ikiwiki", "-setup", $config{setupfile},
+                                        "-rebuild", "-v");
+			}
+			else {
+				@command=("ikiwiki", "-setup", $config{setupfile},
+					"-refresh", "-wrappers", "-v");
+			}
+
+			close STDERR;
+			open(STDERR, ">&STDOUT");
+			my $ret=system(@command);
+			print "\n<\/pre>";
+			if ($ret != 0) {
+				print '<p class="error">'.
+					sprintf(gettext("Error: %s exited nonzero (%s). Discarding setup changes."),
+						join(" ", @command), $ret).
+					'</p>';
+				open(OUT, ">", $config{setupfile}) || error("$config{setupfile}: $!");
+				print OUT $oldsetup;
+				close OUT;
+			}
+
+			print $tail;
+			exit 0;
+		}
 	}
 
 	IkiWiki::showform($form, $buttons, $session, $cgi);
-} #}}}
+}
 
-sub sessioncgi ($$) { #{{{
+sub sessioncgi ($$) {
 	my $cgi=shift;
 	my $session=shift;
 
@@ -72,9 +466,9 @@ sub sessioncgi ($$) { #{{{
 		showform($cgi, $session);
 		exit;
 	}
-} #}}}
+}
 
-sub formbuilder_setup (@) { #{{{
+sub formbuilder_setup (@) {
 	my %params=@_;
 
 	my $form=$params{form};
@@ -85,6 +479,6 @@ sub formbuilder_setup (@) { #{{{
 			exit;
 		}
 	}
-} #}}}
+}
 
 1