+
+ my @page_locs;
+ my $default_loc="";
+ my ($from)=$q->param('from')=~/$wiki_file_regexp/;
+ if (! defined $from || ! length $from ||
+ $from ne $q->param('from') ||
+ $from=~/$wiki_file_prune_regexp/ || $from=~/^\//) {
+ @page_locs=$page;
+ }
+ else {
+ @page_locs="$from/$page";
+ $from=dirname($from);
+ $default_loc="$from/$page";
+ while (length $from) {
+ push @page_locs, "$from/$page";
+ $from=dirname($from);
+ }
+ push @page_locs, $page;
+ }
+
+ $q->param("do", "save");
+ print $q->header,
+ $q->start_html("$wikiname: Creating $page"),
+ $q->h1("$wikiname: Creating $page"),
+ $q->start_form(-action => $action),
+ $q->hidden('do'),
+ "Select page location: ($default_loc)",
+ $q->popup_menu('page', \@page_locs, $default_loc),
+ $q->textarea(-name => 'content',
+ -default => "",
+ -rows => 20,
+ -columns => 80),
+ $q->br,
+ "Optional comment about this change:",
+ $q->br,
+ $q->textfield(-name => "comments", -size => 80),
+ $q->br,
+ $q->submit("Save Page"),
+ $q->end_form,
+ $q->end_html;
+ }
+ elsif ($do eq 'edit') {
+ my $content="";
+ if (exists $pagesources{lc($page)}) {
+ $content=readfile("$srcdir/$pagesources{lc($page)}");
+ $content=~s/\n/\r\n/g;
+ }
+ $q->param("do", "save");
+ print $q->header,
+ $q->start_html("$wikiname: Editing $page"),
+ $q->h1("$wikiname: Editing $page"),
+ $q->start_form(-action => $action),
+ $q->hidden('do'),
+ $q->hidden('page'),
+ $q->textarea(-name => 'content',
+ -default => $content,
+ -rows => 20,
+ -columns => 80),
+ $q->br,
+ "Optional comment about this change:",
+ $q->br,
+ $q->textfield(-name => "comments", -size => 80),
+ $q->br,
+ $q->submit("Save Page"),
+ $q->end_form,
+ $q->end_html;
+ }
+ elsif ($do eq 'save') {
+ my $file=$page.$default_pagetype;
+ my $newfile=1;
+ if (exists $pagesources{lc($page)}) {
+ $file=$pagesources{lc($page)};
+ $newfile=0;
+ }
+
+ my $content=$q->param('content');
+ $content=~s/\r\n/\n/g;
+ $content=~s/\r/\n/g;
+ writefile("$srcdir/$file", $content);
+
+ my $message="web commit from $ENV{REMOTE_ADDR}";
+ if (defined $q->param('comments')) {
+ $message.=": ".$q->param('comments');
+ }
+
+ if ($svn) {
+ if ($newfile) {
+ rcs_add($file);
+ }
+ # presumably the commit will trigger an update
+ # of the wiki
+ rcs_commit($message);
+ }
+ else {
+ refresh();
+ }
+
+ print $q->redirect("$url/".htmlpage($page));
+ }
+ else {
+ error("unknown do parameter");