editpage: Avoid storing accidental state changes when previewing pages.

[ikiwiki.git] / IkiWiki / Plugin / editpage.pm

diff --git a/IkiWiki/Plugin/editpage.pm b/IkiWiki/Plugin/editpage.pm
index 467cd9ed5bf54827da0f75d03304918ba8947a71..3d731d399f34e9b857616135574727b24abb1757 100644 (file)
--- a/IkiWiki/Plugin/editpage.pm
+++ b/IkiWiki/Plugin/editpage.pm
@@ -17,6 +17,7 @@ sub getsetup () {
                plugin => {
                        safe => 1,
                        rebuild => 1,
+                       section => "core",
                },
 }
 
@@ -77,7 +78,7 @@ sub cgi_editpage ($$) {
                action => $config{cgiurl},
                header => 0,
                table => 0,
-               template => scalar template_params("editpage.tmpl"),
+               template => { template("editpage.tmpl") },
        );
        
        decode_form_utf8($form);
@@ -91,9 +92,9 @@ sub cgi_editpage ($$) {
        # wiki_file_regexp.
        my ($page)=$form->field('page')=~/$config{wiki_file_regexp}/;
        $page=possibly_foolish_untaint($page);
-       my $absolute=($page =~ s#^/+##);
+       my $absolute=($page =~ s#^/+##); # absolute name used to force location
        if (! defined $page || ! length $page ||
-           file_pruned($page, $config{srcdir})) {
+           file_pruned($page)) {
                error(gettext("bad page name"));
        }
 
@@ -147,12 +148,12 @@ sub cgi_editpage ($$) {
        $form->field(name => "editcontent", type => "textarea", rows => 20,
                cols => 80);
        $form->tmpl_param("can_commit", $config{rcs});
-       $form->tmpl_param("indexlink", indexlink());
        $form->tmpl_param("helponformattinglink",
                htmllink($page, $page, "ikiwiki/formatting",
                        noimageinline => 1,
                        linktext => "FormattingHelp"));
        
+       my $previewing=0;
        if ($form->submitted eq "Cancel") {
                if ($form->field("do") eq "create" && defined $from) {
                        redirect($q, urlto($from, undef, 1));
@@ -166,11 +167,11 @@ sub cgi_editpage ($$) {
                exit;
        }
        elsif ($form->submitted eq "Preview") {
+               $previewing=1;
+
                my $new=not exists $pagesources{$page};
-               if ($new) {
-                       # temporarily record its type
-                       $pagesources{$page}=$page.".".$type;
-               }
+               # temporarily record its type
+               $pagesources{$page}=$page.".".$type if $new;
                my %wasrendered=map { $_ => 1 } @{$renderedfiles{$page}};
 
                my $content=$form->field('editcontent');
@@ -195,18 +196,17 @@ sub cgi_editpage ($$) {
                });
                $form->tmpl_param("page_preview", $preview);
                
-               if ($new) {
-                       delete $pagesources{$page};
-               }
-
                # Previewing may have created files on disk.
                # Keep a list of these to be deleted later.
                my %previews = map { $_ => 1 } @{$wikistate{editpage}{previews}};
                foreach my $f (@{$renderedfiles{$page}}) {
                        $previews{$f}=1 unless $wasrendered{$f};
                }
+
+               # Throw out any other state changes made during previewing,
+               # and save the previews list.
+               loadindex();
                @{$wikistate{editpage}{previews}} = keys %previews;
-               $renderedfiles{$page}=[keys %wasrendered];
                saveindex();
        }
        elsif ($form->submitted eq "Save Page") {
@@ -219,8 +219,7 @@ sub cgi_editpage ($$) {
                        my $best_loc;
                        if (! defined $from || ! length $from ||
                            $from ne $form->field('from') ||
-                           file_pruned($from, $config{srcdir}) ||
-                           $from=~/^\// || 
+                           file_pruned($from) ||
                            $absolute ||
                            $form->submitted) {
                                @page_locs=$best_loc=$page;
@@ -229,8 +228,9 @@ sub cgi_editpage ($$) {
                                my $dir=$from."/";
                                $dir=~s![^/]+/+$!!;
                                
-                               if ((defined $form->field('subpage') && length $form->field('subpage')) ||
-                                   $page eq lc(gettext('Discussion'))) {
+                               if ((defined $form->field('subpage') &&
+                                    length $form->field('subpage')) ||
+                                   $page eq lc($config{discussionpage})) {
                                        $best_loc="$from/$page";
                                }
                                else {
@@ -244,8 +244,9 @@ sub cgi_editpage ($$) {
                                        push @page_locs, $dir.$page;
                                }
                        
-                               push @page_locs, "$config{userdir}/$page"
-                                       if length $config{userdir};
+                               my $userpage=IkiWiki::userpage($page);
+                               push @page_locs, $userpage
+                                       if ! grep { $_ eq $userpage } @page_locs;
                        }
 
                        @page_locs = grep {
@@ -254,7 +255,7 @@ sub cgi_editpage ($$) {
                        if (! @page_locs) {
                                # hmm, someone else made the page in the
                                # meantime?
-                               if ($form->submitted eq "Preview") {
+                               if ($previewing) {
                                        # let them go ahead with the edit
                                        # and resolve the conflict at save
                                        # time
@@ -270,8 +271,10 @@ sub cgi_editpage ($$) {
                                check_canedit($_, $q, $session, 1)
                        } @page_locs;
                        if (! @editable_locs) {
-                               # let it throw an error this time
-                               map { check_canedit($_, $q, $session) } @page_locs;
+                               # now let it throw an error, or prompt for
+                               # login
+                               map { check_canedit($_, $q, $session) }
+                                       ($best_loc, @page_locs);
                        }
                        
                        my @page_types;
@@ -309,7 +312,10 @@ sub cgi_editpage ($$) {
                        $form->title(sprintf(gettext("editing %s"), pagetitle($page)));
                }
                
-               showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
+               showform($form, \@buttons, $session, $q,
+                       forcebaseurl => $baseurl,
+                       ($previewing ? (page => $page) : ()),
+               );
        }
        else {
                # save page
@@ -326,7 +332,8 @@ sub cgi_editpage ($$) {
                        $form->field(name => "page", type => 'hidden');
                        $form->field(name => "type", type => 'hidden');
                        $form->title(sprintf(gettext("editing %s"), $page));
-                       showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
+                       showform($form, \@buttons, $session, $q,
+                               forcebaseurl => $baseurl);
                        exit;
                }
                elsif ($form->field("do") eq "create" && $exists) {
@@ -340,7 +347,8 @@ sub cgi_editpage ($$) {
                                value => readfile("$config{srcdir}/$file").
                                         "\n\n\n".$form->field("editcontent"),
                                force => 1);
-                       showform($form, \@buttons, $session, $q, forcebaseurl => $baseurl);
+                       showform($form, \@buttons, $session, $q,
+                               forcebaseurl => $baseurl);
                        exit;
                }