You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

178 lines
7.0 KiB

<?php
// turn on warnings and notice during developement
include('initialize/PhpErrorSettings.inc.php');
// Project: Web Reference Database (refbase) <http://www.refbase.net>
// Copyright: Matthias Steffens <mailto:refbase@extracts.de> and the file's
// original author(s).
//
// This code is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY. Please see the GNU General Public
// License for more details.
//
// File: ./receipt.php
// Repository: $HeadURL$
// Author(s): Matthias Steffens <mailto:refbase@extracts.de>
//
// Created: 09-May-08, 12:00
// Modified: $Date: 2012-02-27 20:25:30 +0000 (Mon, 27 Feb 2012) $
// $Author$
// $Revision: 1337 $
// This php script will display a query history for the user's
// current session, i.e. it will display links to any previous
// search results
// TODO: I18n
// Incorporate some include files:
include 'initialize/db.inc.php'; // 'db.inc.php' is included to hide username and password
include 'includes/header.inc.php'; // include header
include 'includes/footer.inc.php'; // include footer
include 'includes/include.inc.php'; // include common functions
include 'initialize/ini.inc.php'; // include common variables
// --------------------------------------------------------------------
// START A SESSION:
// call the 'start_session()' function (from 'include.inc.php') which will also read out available session variables:
start_session(true);
// --------------------------------------------------------------------
// Initialize preferred display language:
// (note that 'locales.inc.php' has to be included *after* the call to the 'start_session()' function)
include 'includes/locales.inc.php'; // include the locales
// --------------------------------------------------------------------
// [ Extract form variables sent through POST/GET by use of the '$_REQUEST' variable ]
// [ !! NOTE !!: for details see <http://www.php.net/release_4_2_1.php> & <http://www.php.net/manual/en/language.variables.predefined.php> ]
// If there's no stored message available:
if (!isset($_SESSION['HeaderString']))
$HeaderString = "Recall a query from your current session:"; // Provide the default message
else
{
$HeaderString = $_SESSION['HeaderString']; // extract 'HeaderString' session variable (only necessary if register globals is OFF!)
// Note: though we clear the session variable, the current message is still available to this script via '$HeaderString':
deleteSessionVariable("HeaderString"); // function 'deleteSessionVariable()' is defined in 'include.inc.php'
}
// Extract the view type requested by the user (either 'Mobile', 'Print', 'Web' or ''):
// ('' will produce the default 'Web' output style)
if (isset($_REQUEST['viewType']))
$viewType = $_REQUEST['viewType'];
else
$viewType = "";
if (isset($_REQUEST['wrapResults']) AND ($_REQUEST['wrapResults'] == "0"))
$wrapResults = "0"; // 'wrapResults=0' causes refbase to output only a partial document structure containing solely the query history (i.e. everything is omitted except for the <div id="queryhistory">)
else
$wrapResults = "1"; // we'll output a full HTML document structure unless the 'wrapResults' parameter is set explicitly to "0"
// Get the query URL of the formerly displayed results page:
if (isset($_SESSION['oldQuery']))
$oldQuery = $_SESSION['oldQuery'];
else
$oldQuery = array();
// Get any saved links to previous search results:
if (isset($_SESSION['queryHistory']))
$queryHistory = $_SESSION['queryHistory'];
else
$queryHistory = array();
// Check if there's any query history available:
if (empty($queryHistory))
{
// return an appropriate error message:
$HeaderString = returnMsg("No query history available!", "warning", "strong", "HeaderString"); // function 'returnMsg()' is defined in 'include.inc.php'
header("Location: " . $referer); // variable '$referer' is globally defined in function 'start_session()' in 'include.inc.php'
exit; // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !EXIT! <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
}
// --------------------------------------------------------------------
// (4) DISPLAY HEADER & RESULTS
// (NOTE: Since there's no need to query the database here, we won't perform any of the following: (1) OPEN CONNECTION, (2) SELECT DATABASE, (3) RUN QUERY, (5) CLOSE CONNECTION)
// Show the login status:
showLogin(); // (function 'showLogin()' is defined in 'include.inc.php')
// (4a) DISPLAY header:
// Call the 'displayHTMLhead()' and 'showPageHeader()' functions (which are defined in 'header.inc.php'):
if ($wrapResults != "0")
{
displayHTMLhead(encodeHTML($officialDatabaseName) . " -- Query History", "noindex,nofollow", "Displays links to previous search results", "", false, "", $viewType, array());
if (!preg_match("/^(Print|Mobile)$/i", $viewType)) // Note: we omit the visible header in print/mobile view ('viewType=Print' or 'viewType=Mobile')
showPageHeader($HeaderString);
echo "\n";
}
// (4b) DISPLAY results:
echo "<div id=\"queryhistory\">";
// Print a link to the current query:
if (!empty($oldQuery))
{
echo "\n\t<div id=\"currentquery\">"
. "\n\t\t<h5>Current Query</h5>";
// Extract the 'WHERE' clause from the current SQL query:
$queryWhereClause = extractWHEREclause($oldQuery["sqlQuery"]); // function 'extractWHEREclause()' is defined in 'include.inc.php'
$queryTitle = encodeHTML(explainSQLQuery($queryWhereClause)); // functions 'encodeHTML()' and 'explainSQLQuery()' are defined in 'include.inc.php'
// Generate a 'search.php' URL that points to the current query:
$queryURL = generateURL("search.php", "html", $oldQuery, true); // function 'generateURL()' is defined in 'include.inc.php'
echo "\n\t\t<div class=\"even\">"
. "\n\t\t\t<a href=\"" . $queryURL . "\">" . $queryTitle . "</a>"
. "\n\t\t</div>"
. "\n\t</div>";
}
// Print links to any previous search results:
if (!empty($queryHistory))
{
echo "\n\t<div id=\"previousqueries\">"
. "\n\t\t<h5>Previous Queries</h5>";
$queryHistory = array_reverse($queryHistory);
// Display links to previous search results:
for ($i = 0; $i < count($queryHistory); $i++)
{
if (is_integer($i / 2)) // if we currently are at an even number of rows
$rowClass = "even";
else
$rowClass = "odd";
echo "\n\t\t<div class=\"" . $rowClass . "\">"
. "\n\t\t\t" . $queryHistory[$i]
. "\n\t\t</div>";
}
echo "\n\t</div>";
}
echo "\n</div>";
// --------------------------------------------------------------------
// DISPLAY THE HTML FOOTER:
// Call the 'showPageFooter()' and 'displayHTMLfoot()' functions (which are defined in 'footer.inc.php')
if ($wrapResults != "0")
{
if (!preg_match("/^(Print|Mobile)$/i", $viewType)) // Note: we omit the visible footer in print/mobile view ('viewType=Print' or 'viewType=Mobile')
showPageFooter($HeaderString);
displayHTMLfoot();
}
// --------------------------------------------------------------------
?>