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<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2013 Ampache.org
*
* 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; version 2
* of the License.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
// A collection of methods related to the user interface
class UI {
private static $_classes;
private static $_ticker;
public function __construct($data) {
return false;
}
/**
* access_denied
*
* Throw an error when they try to do something naughty.
*/
public static function access_denied($error = 'Access Denied') {
// Clear any buffered crap
ob_end_clean();
header("HTTP/1.1 403 $error");
require_once Config::get('prefix') . '/templates/show_denied.inc.php';
exit;
}
/**
* check_iconv
*
* Checks to see whether iconv is available;
*/
public static function check_iconv() {
if (function_exists('iconv') && function_exists('iconv_substr')) {
return true;
}
return false;
}
/**
* check_ticker
*
* Stupid little cutesie thing to ratelimit output of long-running
* operations.
*/
public static function check_ticker() {
if (!isset(self::$_ticker) || (time() > self::$_ticker + 1)) {
self::$_ticker = time();
return true;
}
return false;
}
/**
* flip_class
*
* First initialised with an array of two class names. Subsequent calls
* reverse the array then return the first element.
*/
public static function flip_class($classes = null) {
if (is_array($classes)) {
self::$_classes = $array;
}
else {
self::$_classes = array_reverse(self::$_classes);
}
return self::$_classes[0];
}
/**
* show_header
*
* For now this just shows the header template
*/
public static function show_header() {
require_once Config::get('prefix') . '/templates/header.inc.php';
}
/**
* show_footer
*
* Shows the footer template and possibly profiling info.
*/
public static function show_footer() {
require_once Config::get('prefix') . '/templates/footer.inc.php';
if (isset($_REQUEST['profiling'])) {
Dba::show_profile();
}
}
/**
* show_box_top
*
* This shows the top of the box.
*/
public static function show_box_top($title = '', $class = '') {
require Config::get('prefix') . '/templates/show_box_top.inc.php';
}
/**
* show_box_bottom
*
* This shows the bottom of the box
*/
public static function show_box_bottom() {
require Config::get('prefix') . '/templates/show_box_bottom.inc.php';
}
/**
* truncate
*
* Limit text to a certain length; adds an ellipsis if truncation was
* required.
*/
public static function truncate($text, $max = 27) {
// If they want <3, we're having none of that
if ($max <= 3) {
debug_event('UI', "truncate called with $max, refusing to do stupid things to $text", 2);
return $text;
}
if (self::check_iconv()) {
$charset = Config::get('site_charset');
if (iconv_strlen($text, $charset) > $max) {
$text = iconv_substr($text, 0, $max - 3, $charset);
$text .= iconv('ISO-8859-1', $charset, '...');
}
}
else {
if (strlen($text) > $max) {
$text = substr($text, 0, $max - 3) . '...';
}
}
return $text;
}
}
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