]> sipb.mit.edu Git - ikiwiki.git/blobdiff - IkiWiki/Plugin/poll.pm
img: Support a title attribute, will be passed through to html. Closes: #478718
[ikiwiki.git] / IkiWiki / Plugin / poll.pm
index b862ccdaacd585c49a334a7578e5aa0cf26bb13d..82e862c59b92b8162e1684cd6ff4badbd8d37486 100644 (file)
@@ -3,12 +3,11 @@ package IkiWiki::Plugin::poll;
 
 use warnings;
 use strict;
-use IkiWiki;
-use URI;
+use IkiWiki 2.00;
 
 sub import { #{{{
        hook(type => "preprocess", id => "poll", call => \&preprocess);
-       hook(type => "cgi", id => "poll", call => \&cgi);
+       hook(type => "sessioncgi", id => "poll", call => \&sessioncgi);
 } # }}}
 
 sub yesno ($) { #{{{
@@ -22,7 +21,7 @@ sub preprocess (@) { #{{{
 
        my $open=yesno($params{open});
        my $showtotal=yesno($params{total});
-       my $percent=yesno($params{percent});
+       my $showpercent=yesno($params{percent});
        $pagenum{$params{page}}++;
 
        my %choices;
@@ -45,33 +44,39 @@ sub preprocess (@) { #{{{
 
        my $ret="";
        foreach my $choice (@choices) {
-               my $percent=int($choices{$choice} / $total * 100);
-               if ($percent) {
-                       $ret.="$choice ($percent%) ";
+               if ($open && exists $config{cgiurl}) {
+                       # use POST to avoid robots
+                       $ret.="<form method=\"POST\" action=\"$config{cgiurl}\">\n";
+               }
+               my $percent=$total > 0 ? int($choices{$choice} / $total * 100) : 0;
+               $ret.="<p>\n";
+               if ($showpercent) {
+                       $ret.="$choice ($percent%)\n";
                }
                else {
-                       $ret.="$choice ($choices{$choice}) ";
+                       $ret.="$choice ($choices{$choice})\n";
                }
                if ($open && exists $config{cgiurl}) {
-                       my $url=URI->new($config{cgiurl});
-                       $url->query_form(
-                               "do" => "poll",
-                               "num" => $pagenum{$params{page}}, 
-                               "page" => $params{page}, 
-                               "choice" => $choice,
-                       );
-                       $ret.="<a class=pollbutton href=\"$url\">vote</a>";
+                       $ret.="<input type=\"hidden\" name=\"do\" value=\"poll\" />\n";
+                       $ret.="<input type=\"hidden\" name=\"num\" value=\"$pagenum{$params{page}}\" />\n";
+                       $ret.="<input type=\"hidden\" name=\"page\" value=\"$params{page}\" />\n";
+                       $ret.="<input type=\"hidden\" name=\"choice\" value=\"$choice\" />\n";
+                       $ret.="<input type=\"submit\" value=\"".gettext("vote")."\" />\n";
+               }
+               $ret.="</p>\n<hr class=poll align=left width=\"$percent%\"/>\n";
+               if ($open && exists $config{cgiurl}) {
+                       $ret.="</form>\n";
                }
-               $ret.="<br />\n<hr class=poll align=left width=\"$percent%\"/>\n";
        }
        if ($showtotal) {
-               $ret.="<span>Total votes: $total</span>\n";
+               $ret.="<span>".gettext("Total votes:")." $total</span>\n";
        }
        return "<div class=poll>$ret</div>";
 } # }}}
 
-sub cgi ($) { #{{{
+sub sessioncgi ($$) { #{{{
        my $cgi=shift;
+       my $session=shift;
        if (defined $cgi->param('do') && $cgi->param('do') eq "poll") {
                my $choice=$cgi->param('choice');
                if (! defined $choice) {
@@ -88,14 +93,16 @@ sub cgi ($) { #{{{
 
                # Did they vote before? If so, let them change their vote,
                # and check for dups.
-               my $session=IkiWiki::cgi_getsession();
                my $choice_param="poll_choice_${page}_$num";
                my $oldchoice=$session->param($choice_param);
                if (defined $oldchoice && $oldchoice eq $choice) {
                        # Same vote; no-op.
                        IkiWiki::redirect($cgi, "$config{url}/".htmlpage($page));
+                       exit;
                }
 
+               my $prefix=$config{prefix_directives} ? "!poll" : "poll";
+
                my $content=readfile(srcfile($pagesources{$page}));
                # Now parse the content, find the right poll,
                # and find the choice within it, and increment its number.
@@ -103,31 +110,16 @@ sub cgi ($) { #{{{
                my $edit=sub {
                        my $escape=shift;
                        my $params=shift;
-                       return "\\[[poll $params]]" if $escape;
-                       return $params unless --$num == 0;
-                       my @bits=split(' ', $params);
-                       my @ret;
-                       while (@bits) {
-                               my $n=shift @bits;
-                               if ($n=~/=/) {
-                                       # val=param setting
-                                       push @ret, $n;
-                                       next;
+                       return "\\[[$prefix $params]]" if $escape;
+                       if (--$num == 0) {
+                               $params=~s/(^|\s+)(\d+)\s+"?\Q$choice\E"?(\s+|$)/$1.($2+1)." \"$choice\"".$3/se;
+                               if (defined $oldchoice) {
+                                       $params=~s/(^|\s+)(\d+)\s+"?\Q$oldchoice\E"?(\s+|$)/$1.($2-1 >=0 ? $2-1 : 0)." \"$oldchoice\"".$3/se;
                                }
-                               my $c=shift @bits;
-                               $c=~s/^"(.*)"/$1/g;
-                               next unless defined $n && defined $c;
-                               if ($c eq $choice) {
-                                       $n++;
-                               }
-                               if (defined $oldchoice && $c eq $oldchoice) {
-                                       $n--;
-                               }
-                               push @ret, $n, "\"$c\"";
                        }
-                       return "[[poll ".join(" ", @ret)."]]";
+                       return "[[$prefix $params]]";
                };
-               $content =~ s{(\\?)\[\[poll\s+([^]]+)\s*\]\]}{$edit->($1, $2)}seg;
+               $content =~ s{(\\?)\[\[\Q$prefix\E\s+([^]]+)\s*\]\]}{$edit->($1, $2)}seg;
 
                # Store their vote, update the page, and redirect to it.
                writefile($pagesources{$page}, $config{srcdir}, $content);
@@ -135,17 +127,17 @@ sub cgi ($) { #{{{
                IkiWiki::cgi_savesession($session);
                $oldchoice=$session->param($choice_param);
                if ($config{rcs}) {
-                       # prevent deadlock with post-commit hook
-                       IkiWiki::unlockwiki();
-                       IkiWiki::rcs_commit($pagesources{$page}, "poll vote",
+                       IkiWiki::disable_commit_hook();
+                       IkiWiki::rcs_commit($pagesources{$page}, "poll vote ($choice)",
                                IkiWiki::rcs_prepedit($pagesources{$page}),
                                $session->param("name"), $ENV{REMOTE_ADDR});
+                       IkiWiki::enable_commit_hook();
+                       IkiWiki::rcs_update();
                }
-               else {
-                       require IkiWiki::Render;
-                       IkiWiki::refresh();
-                       IkiWiki::saveindex();
-               }
+               require IkiWiki::Render;
+               IkiWiki::refresh();
+               IkiWiki::saveindex();
+
                # Need to set cookie in same http response that does the
                # redir.
                eval q{use CGI::Cookie};