]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/websetup.pm
po(refreshpot): define the input charset before read()'ing
[git.ikiwiki.info.git] / IkiWiki / Plugin / websetup.pm
index 6aab04e320fe21d02a36a9334ab0f3ab068bd191..827ee3099f31f0f091b6d76326842e0bfea1fd8e 100644 (file)
@@ -5,14 +5,9 @@ use warnings;
 use strict;
 use IkiWiki 2.00;
 
-my @rcs_plugins=(qw{git svn bzr mercurial monotone tla norcs});
-
-# amazon_s3 is not something that should be enabled via the web.
-# external is not a standalone plugin.
-my @default_force_plugins=(qw{amazon_s3 external});
-
 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);
@@ -20,19 +15,40 @@ sub import { #{{{
 
 sub getsetup () { #{{{
        return
+               plugin => {
+                       safe => 1,
+                       rebuild => 0,
+               },
                websetup_force_plugins => {
                        type => "string",
-                       example => \@default_force_plugins,
+                       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 formatexample ($) { #{{{
+sub checkconfig () { #{{{
+       if (! exists $config{websetup_show_unsafe}) {
+               $config{websetup_show_unsafe}=1;
+       }
+} #}}}
+
+sub formatexample ($$) { #{{{
        my $example=shift;
+       my $value=shift;
 
-       if (defined $example && ! ref $example && length $example) {
+       if (defined $value && length $value) {
+               return "";
+       }
+       elsif (defined $example && ! ref $example && length $example) {
                return "<br/ ><small>Example: <tt>$example</tt></small>";
        }
        else {
@@ -46,44 +62,91 @@ sub showfields ($$$@) { #{{{
        my $enabled=shift;
 
        my @show;
+       my %plugininfo;
        while (@_) {
                my $key=shift;
                my %info=%{shift()};
 
-               # skip complex, unsafe, or internal settings
-               next if ref $config{$key} || ! $info{safe} || $info{type} eq "internal";
+               # 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;
        }
 
-       return 0 unless @show;
-
-       my $section=defined $plugin ? $plugin." ".gettext("plugin") : gettext("main");
+       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=();
+       }
 
-       if (defined $plugin) {
-               if (! showplugintoggle($form, $plugin, $enabled, $section) && ! $enabled) {
-                   # plugin not enabled and cannot be, so skip showing
-                   # its configuration
-                   return 0;
+       # 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=exists $info{description_html} ? $info{description_html} : $info{description};
-               my $value=$config{$key};
+               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 : $key;
-               
+               my $name=defined $plugin ? $plugin.".".$key : $section.".".$key;
+
+               my $value=$config{$key};
+
+               if ($info{safe} && (ref $value eq 'ARRAY' || ref $info{example} eq 'ARRAY')) {
+                       $value=[@{$value}, "", ""]; # blank items for expansion
+               }
+
                if ($info{type} eq "string") {
                        $form->field(
                                name => $name,
                                label => $description,
-                               comment => defined $value && length $value ? "" : formatexample($info{example}),
+                               comment => formatexample($info{example}, $value),
                                type => "text",
                                value => $value,
                                size => 60,
@@ -94,7 +157,7 @@ sub showfields ($$$@) { #{{{
                        $form->field(
                                name => $name,
                                label => $description,
-                               comment => formatexample($info{example}),
+                               comment => formatexample($info{example}, $value),
                                type => "text",
                                value => $value,
                                size => 60,
@@ -106,6 +169,7 @@ sub showfields ($$$@) { #{{{
                        $form->field(
                                name => $name,
                                label => $description,
+                               comment => formatexample($info{example}, $value),
                                type => "text",
                                value => $value,
                                size => 5,
@@ -118,42 +182,50 @@ sub showfields ($$$@) { #{{{
                                name => $name,
                                label => "",
                                type => "checkbox",
-                               value => $value,
                                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 1;
+       return %enabledfields;
 } #}}}
 
-sub showplugintoggle ($$$$) { #{{{
-       my $form=shift;
+sub enable_plugin ($) { #{{{
        my $plugin=shift;
-       my $enabled=shift;
-       my $section=shift;
 
-       if (exists $config{websetup_force_plugins} &&
-           grep { $_ eq $plugin } @{$config{websetup_force_plugins}}, @rcs_plugins) {
-               return 0;
-       }
-       elsif (! exists $config{websetup_force_plugins} &&
-              grep { $_ eq $plugin } @default_force_plugins, @rcs_plugins) {
-               return 0;
-       }
+       $config{disable_plugins}=[grep { $_ ne $plugin } @{$config{disable_plugins}}];
+       push @{$config{add_plugins}}, $plugin;
+}
 
-       $form->field(
-               name => "enable.$plugin",
-               label => "",
-               type => "checkbox",
-               options => [ [ 1 => sprintf(gettext("enable %s?"), $plugin) ] ],
-               value => $enabled,
-               fieldset => $section,
-       );
+sub disable_plugin ($) { #{{{
+       my $plugin=shift;
 
-       return 1;
-} #}}}
+       if (grep { $_ eq $plugin } @{$config{add_plugins}}) {
+               $config{add_plugins}=[grep { $_ ne $plugin } @{$config{add_plugins}}];
+       }
+       else {
+               push @{$config{disable_plugins}}, $plugin;
+       }
+}
 
 sub showform ($$) { #{{{
        my $cgi=shift;
@@ -164,6 +236,10 @@ sub showform ($$) { #{{{
                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 $@;
 
@@ -176,11 +252,38 @@ sub showform ($$) { #{{{
                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 {
@@ -189,38 +292,152 @@ sub showform ($$) { #{{{
        });
        IkiWiki::decode_form_utf8($form);
 
-       $form->field(name => "do", type => "hidden", value => "setup",
-               force => 1);
-       showfields($form, undef, undef, IkiWiki::getsetup());
+       my %fields=showfields($form, undef, undef, IkiWiki::getsetup());
        
        # record all currently enabled plugins before all are loaded
        my %enabled_plugins=%IkiWiki::loaded_plugins;
 
        # per-plugin setup
        require IkiWiki::Setup;
-       my %plugins=map { $_ => 1 } IkiWiki::listplugins();
        foreach my $pair (IkiWiki::Setup::getsetup()) {
                my $plugin=$pair->[0];
                my $setup=$pair->[1];
-               
-               # skip all rcs plugins except for the one in use
-               next if $plugin ne $config{rcs} && grep { $_ eq $plugin } @rcs_plugins;
 
-               delete $plugins{$plugin} if showfields($form, $plugin, $enabled_plugins{$plugin}, @{$setup});
+               my %shown=showfields($form, $plugin, $enabled_plugins{$plugin}, @{$setup});
+               if (%shown) {
+                       $fields{$_}=$shown{$_} foreach keys %shown;
+               }
        }
-
-       # list all remaining plugins (with no setup options) at the end
-       showplugintoggle($form, $_, $enabled_plugins{$_}, gettext("other plugins"))
-               foreach sort keys %plugins;
        
        if ($form->submitted eq "Cancel") {
                IkiWiki::redirect($cgi, $config{url});
                return;
        }
-       elsif ($form->submitted eq 'Save Setup' && $form->validate) {
-               # TODO
-               IkiWiki::Setup::dump("/tmp/s");
-               $form->text(gettext("Setup saved."));
+       elsif (($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;
+                       }
+
+                       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}} : ());
+                               if ((@oldvalue) == (@value)) {
+                                       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);
+                       $form->reset(0); # doesn't really make sense here
+               }
+               else {
+                       IkiWiki::Setup::dump($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");
+                       }
+
+                       my $ret=system(@command);
+                       print "\n<pre>";
+                       if ($ret != 0) {
+                               print '<p class="error">'.
+                                       sprintf(gettext("<p class=\"error\">Error: %s exited nonzero (%s)"),
+                                               join(" ", @command), $ret).
+                                       '</p>';
+                       }
+
+                       print $tail;                    
+                       exit 0;
+               }
        }
 
        IkiWiki::showform($form, $buttons, $session, $cgi);