]> sipb.mit.edu Git - ikiwiki.git/blobdiff - IkiWiki/Plugin/remove.pm
error if nothing selected
[ikiwiki.git] / IkiWiki / Plugin / remove.pm
index 77ddd63ba7de731cefdef1702520c4268d3005ce..21028cde32c26a10210dfd3c41f1cd24efd8b919 100644 (file)
@@ -18,8 +18,9 @@ sub formbuilder_setup (@) { #{{{
        my $q=$params{cgi};
 
        if (defined $form->field("do") && $form->field("do") eq "edit") {
+               # Removal button for the page, and also for attachments.
                push @{$params{buttons}}, "Remove";
-               # TODO button for attachments
+               $form->tmpl_param("field-remove" => '<input name="_submit" type="submit" value="Remove Attachments" />');
        }
 } #}}}
 
@@ -29,9 +30,7 @@ sub confirmation_form ($$) { #{{{
 
        eval q{use CGI::FormBuilder};
        error($@) if $@;
-       my @fields=qw(do page);
        my $f = CGI::FormBuilder->new(
-               title => "confirm removal",
                name => "remove",
                header => 0,
                charset => "utf-8",
@@ -40,45 +39,70 @@ sub confirmation_form ($$) { #{{{
                params => $q,
                action => $config{cgiurl},
                stylesheet => IkiWiki::baseurl()."style.css",
-               fields => \@fields,
+               fields => [qw{do page}],
        );
-               
+       
        $f->field(name => "do", type => "hidden", value => "remove", force => 1);
-       $f->field(name => "page", label => "Will remove:", validate => sub {
-               my $page=shift;
-               if (! exists $pagesources{$page}) {
-                       $f->field(name => "page", message => gettext("page does not exist"));
-                       return 0;
-               }
-               else {
-                       IkiWiki::check_canedit($page, $q, $session);
-                       return 1;
-               }
-       });
 
        return $f, ["Remove", "Cancel"];
 } #}}}
 
-sub formbuilder (@) { #{{{
-       my %params=@_;
-       my $form=$params{form};
+sub removal_confirm ($$@) {
+       my $q=shift;
+       my $session=shift;
+       my $attachment=shift;
+       my @pages=@_;
+
+       # Save current form state to allow returning to it later
+       # without losing any edits.
+       # (But don't save what button was submitted, to avoid
+       # looping back to here.)
+       # Note: "_submit" is CGI::FormBuilder internals.
+       $q->param(-name => "_submit", -value => "");
+       $session->param(postremove => scalar $q->Vars);
+       IkiWiki::cgi_savesession($session);
+       
+       my ($f, $buttons)=confirmation_form($q, $session);
+       $f->title(sprintf(gettext("confirm removal of %s"),
+               join(", ", map { IkiWiki::pagetitle($_) } @pages)));
+       $f->field(name => "page", type => "hidden", value => \@pages, force => 1);
+       if (defined $attachment) {
+               $f->field(name => "attachment", type => "hidden",
+                       value => $attachment, force => 1);
+       }
 
-       if (defined $form->field("do") && $form->field("do") eq "edit" &&
-           $form->submitted eq "Remove") {
-               # When the remove button is pressed on the edit form,
-               # save the rest of the form state and generate a small
-               # remove confirmation form.
+       IkiWiki::showform($f, $buttons, $session, $q);
+       exit 0;
+}
+
+sub postremove ($) {
+       my $session=shift;
 
-               # TODO save state
+       # Load saved form state and return to edit form.
+       my $postremove=CGI->new($session->param("postremove"));
+       $session->clear("postremove");
+       IkiWiki::cgi_savesession($session);
+       IkiWiki::cgi($postremove, $session);
+}
 
+sub formbuilder (@) { #{{{
+       my %params=@_;
+       my $form=$params{form};
 
+       if (defined $form->field("do") && $form->field("do") eq "edit") {
                my $q=$params{cgi};
                my $session=$params{session};
-               my ($f, $buttons)=confirmation_form($q, $session);
-               $f->field(name => "page", value => $form->field("page"),
-                       force => 1);
-               IkiWiki::showform($f, $buttons, $session, $q);
-               exit 0;
+
+               if ($form->submitted eq "Remove") {
+                       removal_confirm($q, $session, 0, $form->field("page"));
+               }
+               elsif ($form->submitted eq "Remove Attachments") {
+                       my @pages=$q->param("attachment_select");
+                       if (! @pages) {
+                               error(gettext("Please select the attachments to remove."));
+                       }
+                       removal_confirm($q, $session, 1, @pages);
+               }
        }
 } #}}}
 
@@ -89,16 +113,79 @@ sub sessioncgi ($$) { #{{{
                my $session=shift;
                my ($form, $buttons)=confirmation_form($q, $session);
                IkiWiki::decode_form_utf8($form);
+
                if ($form->submitted eq 'Cancel') {
-                       error("canceled"); # TODO load state
+                       postremove($session);
                }
                elsif ($form->submitted eq 'Remove' && $form->validate) {
-                       error("removal not yet implemented"); # TODO
+                       my @pages=$q->param("page");
+       
+                       # Validate removal by checking that the page exists,
+                       # and that the user is allowed to edit(/remove) it.
+                       my @files;
+                       foreach my $page (@pages) {
+                               # Must be a known source file.
+                               if (! exists $pagesources{$page}) {
+                                       error(sprintf(gettext("%s does not exist"),
+                                       htmllink("", "", $page, noimageinline => 1)));
+                               }
+                               
+                               # Must be editiable.
+                               IkiWiki::check_canedit($page, $q, $session);
+
+                               # Must exist on disk, and be a regular file.
+                               my $file=$pagesources{$page};
+                               if (! -e "$config{srcdir}/$file") {
+                                       error(sprintf(gettext("%s is not in the srcdir, so it cannot be deleted"), $file));
+                               }
+                               elsif (-l "$config{srcdir}/$file" && ! -f _) {
+                                       error(sprintf(gettext("%s is not a file"), $file));
+                               }
+
+                               push @files, IkiWiki::possibly_foolish_untaint($file);
+                       }
+
+                       # Do removal, and update the wiki.
+                       require IkiWiki::Render;
+                       if ($config{rcs}) {
+                               IkiWiki::disable_commit_hook();
+                               foreach my $file (@files) {
+                                       my $token=IkiWiki::rcs_prepedit($file);
+                                       IkiWiki::rcs_remove($file);
+                                       IkiWiki::rcs_commit($file, gettext("removed"),
+                                               $token, $session->param("name"), $ENV{REMOTE_ADDR});
+                               }
+                               IkiWiki::enable_commit_hook();
+                               IkiWiki::rcs_update();
+                       }
+                       else {
+                               foreach my $file (@files) {
+                                       IkiWiki::prune("$config{srcdir}/$file");
+                               }
+                       }
+                       IkiWiki::refresh();
+                       IkiWiki::saveindex();
+
+                       if ($q->param("attachment")) {
+                               # Attachments were deleted, so redirect
+                               # back to the edit form.
+                               postremove($session);
+                       }
+                       else {
+                               # The page is gone, so redirect to parent
+                               # of the page.
+                               my $parent=IkiWiki::dirname($pages[0]);
+                               if (! exists $pagesources{$parent}) {
+                                       $parent="index";
+                               }
+                               IkiWiki::redirect($q, $config{url}."/".htmlpage($parent));
+                       }
                }
                else {
                        IkiWiki::showform($form, $buttons, $session, $q);
-                       exit 0;
                }
+
+               exit 0;
        }
 }