wiki-archive/twiki/lib/TWiki/UI/Preview.pm

113 lines
3.9 KiB
Perl

# Module of TWiki Enterprise Collaboration Platform, http://TWiki.org/
#
# Copyright (C) 1999-2007 Peter Thoeny, peter@thoeny.org
# and TWiki Contributors. All Rights Reserved. TWiki Contributors
# are listed in the AUTHORS file in the root of this distribution.
# NOTE: Please extend that file, not this notice.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version. For
# more details read LICENSE in the root of this distribution.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# As per the GPL, removal of this notice is prohibited.
package TWiki::UI::Preview;
use strict;
use TWiki;
use TWiki::UI;
use TWiki::UI::Save;
use TWiki::Form;
use Error qw( :try );
use TWiki::OopsException;
sub preview {
my $session = shift;
my $query = $session->{cgiQuery};
my $web = $session->{webName};
my $topic = $session->{topicName};
my $user = $session->{user};
my( $meta, $text, $saveOpts, $merged ) =
TWiki::UI::Save::buildNewTopic($session, 'preview');
# Note: param(formtemplate) has already been decoded by buildNewTopic
# so the $meta entry reflects if it was used.
my $formFields = '';
my $form = $meta->get('FORM') || '';
if( $form ) {
$form = $form->{name}; # used later on as well
my $formDef = new TWiki::Form( $session, $web, $form );
unless( $formDef ) {
throw TWiki::OopsException( 'attention',
def => 'no_form_def',
web => $session->{webName},
topic => $session->{topicName},
params => [ $web, $form ] );
}
$formFields = $formDef->renderHidden( $meta, 0 );
}
$session->{plugins}->afterEditHandler( $text, $topic, $web );
my $skin = $session->getSkin();
my $tmpl = $session->{templates}->readTemplate( 'preview', $skin );
if( $saveOpts->{minor} ) {
$tmpl =~ s/%DONTNOTIFYCHECKBOX%/checked="checked"/go;
} else {
$tmpl =~ s/%DONTNOTIFYCHECKBOX%//go;
}
if( $saveOpts->{forcenewrevision} ) {
$tmpl =~ s/%FORCENEWREVISIONCHECKBOX%/checked="checked"/go;
} else {
$tmpl =~ s/%FORCENEWREVISIONCHECKBOX%//go;
}
my $saveCmd = $query->param( 'cmd' ) || '';
$tmpl =~ s/%CMD%/$saveCmd/go;
my $redirectTo = $query->param( 'redirectto' ) || '';
$tmpl =~ s/%REDIRECTTO%/$redirectTo/go;
$tmpl =~ s/%FORMTEMPLATE%/$form/g;
my $parent = $meta->get('TOPICPARENT');
$parent = $parent->{name} if( $parent );
$parent ||= '';
$tmpl =~ s/%TOPICPARENT%/$parent/g;
$session->enterContext( 'can_render_meta', $meta );
my $dispText = $text;
$dispText = $session->handleCommonTags( $dispText, $web, $topic );
$dispText = $session->{renderer}->getRenderedVersion( $dispText, $web, $topic );
# Disable links and inputs in the text
$dispText =~ s#<a\s[^>]*>(.*?)</a>#<span class="twikiEmulatedLink">$1</span>#gis;
$dispText =~ s/<(input|button|textarea) /<$1 disabled="disabled" /gis;
$dispText =~ s(</?form(|\s.*?)>)()gis;
$dispText =~ s/(<[^>]*\bon[A-Za-z]+=)('[^']*'|"[^"]*")/$1''/gis;
$tmpl = $session->handleCommonTags( $tmpl, $web, $topic );
$tmpl = $session->{renderer}->getRenderedVersion( $tmpl, $web, $topic );
$tmpl =~ s/%TEXT%/$dispText/go;
$tmpl =~ s/%FORMFIELDS%/$formFields/go;
# SMELL: this should be done using CGI::hidden
$text = TWiki::entityEncode( $text, "\n" );
$tmpl =~ s/%HIDDENTEXT%/$text/go;
$tmpl =~ s/<\/?(nop|noautolink)\/?>//gis;
$session->writeCompletePage( $tmpl );
}
1;