#!/usr/bin/env perl
# *************************************************************
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# *************************************************************
require "common.pl";
%aRequestMap = common::HTTP_getRequest();
# get new picture
$sCurrPic = $aRequestMap{ "CurrPic" };
@aPictureArray = common::File_read( "picture.txt" );
$nPictureArrayLen = @aPictureArray;
# check if + or - was pressed
if( $aRequestMap{ "Auswahl" } eq "+" )
{
$sCurrPic = abs( $sCurrPic ) + 1;
}
if( $aRequestMap{ "Auswahl" } eq "-" )
{
$sCurrPic = abs( $sCurrPic ) - 1;
}
# save picture name
if( (abs( $sCurrPic ) > 0) && ( abs( $sCurrPic ) < ( $nPictureArrayLen ) ) )
{
open( F_CURRPIC, ">currpic.txt");
print F_CURRPIC abs( $sCurrPic );
close( F_CURRPIC );
}
# return to edit page
print "Content-type: text/html\n\n";
print "\n\n";
print "";
print "savepic.pl";
print "\n";
print "\n";
print "\n";
print "\n";
%>