<?php
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Christian Dickmann <dickmann@php.net> |
+----------------------------------------------------------------------+
$Id$
*/
require_once "PEAR.php";
require_once "PEAR/Remote.php";
#require_once "HTML/Template/IT.php";
require_once "Net/UserAgent/Detect.php";
/**
* PEAR_Frontend_Web is a HTML based Webfrontend for the PEAR Installer
*
* The Webfrontend provides basic functionality of the Installer, such as
* a package list grouped by categories, a search mask, the possibility
* to install/upgrade/uninstall packages and some minor things.
* PEAR_Frontend_Web makes use of the PEAR::HTML_IT Template engine which
* provides the possibillity to skin the Installer.
*
* @author Christian Dickmann <dickmann@php.net>
* @package PEAR_Frontend_Web
* @access private
*/
class PEAR_Frontend_WebSGL extends PEAR
{
// {{{ properties
/**
* What type of user interface this frontend is for.
* @var string
* @access public
*/
var $type = 'WebSGL';
/**
* Container, where values can be saved temporary
* @var array
* @access private
*/
var $_data = array();
// }}}
var $config;
var $_no_delete_pkgs = array(
'PEAR',
'PEAR_Frontend_Web',
'Archive_Tar',
'Console_Getopt',
'XML_RPC',
'Net_UserAgent_Detect',
'Pager');
// {{{ constructor
function PEAR_Frontend_WebSGL()
{
parent::PEAR();
$GLOBALS['_PEAR_Frontend_Web_log'] = '';
$this->config = $GLOBALS['_PEAR_Frontend_Web_config'];
}
// }}}
// {{{ displayLine()
/* XXX some methods from CLI following. should be deleted in the near future */
function displayLine($text)
{
trigger_error("Frontend::display deprecated", E_USER_ERROR);
}
// }}}
// {{{ display()
function display($text)
{
trigger_error("Frontend::display deprecated", E_USER_ERROR);
}
// }}}
// {{{ userConfirm()
function userConfirm($prompt, $default = 'yes')
{
trigger_error("Frontend::display deprecated", E_USER_ERROR);
return false;
}
// }}}
// {{{ displayStart(prompt, [default])
function displayStart()
{
$tpl = $this->_initTemplate("start.tpl.html", 'PEAR Installer');
$tpl->setVariable('Version', '0.5');
$tpl->show();
exit;
}
// }}}
// {{{ _initTemplate()
/**
* Initialize a TemplateObject, add a title, and icon and add JS and CSS for DHTML
*
* @param string $file filename of the template file
* @param string $title (optional) title of the page
* @param string $icon (optional) iconhandle for this page
* @param boolean $useDHTML (optional) add JS and CSS for DHTML-features
*
* @access private
*
* @return object Object of HTML/IT - Template - Class
*/
function _initTemplate($file, $title = '', $icon = '', $useDHTML = true)
{
return false;
$tpl = new HTML_Template_IT(dirname(__FILE__)."/WebSGL");
$tpl->loadTemplateFile($file);
$tpl->setVariable("InstallerURL", $_SERVER["PHP_SELF"]);
$tpl->setVariable("ImgPEAR", $_SERVER["PHP_SELF"].'?img=pear');
if ($title) {
$tpl->setVariable("Title", $title);
}
// if ($icon) {
// $tpl->setCurrentBlock("TitleBlock");
// $tpl->setVariable("_InstallerURL", $_SERVER["PHP_SELF"]);
// $tpl->setVariable("_Title", $title);
// $tpl->setVariable("_Icon", $icon);
// $tpl->parseCurrentBlock();
// }
$tpl->setCurrentBlock();
if ($useDHTML && Net_UserAgent_Detect::getBrowser('ie5up') == 'ie5up') {
$dhtml = true;
} else {
$dhtml = false;
}
if ($dhtml) {
$tpl->setVariable("JS", 'dhtml');
$css = '<link rel="stylesheet" href="'.$_SERVER['PHP_SELF'].'?css=dhtml" />';
$tpl->setVariable("DHTMLcss", $css);
} else {
$tpl->setVariable("JS", 'nodhtml');
}
if (!isset($_SESSION['_PEAR_Frontend_Web_js']) || $_SESSION['_PEAR_Frontend_Web_js'] == false) {
$tpl->setCurrentBlock('JSEnable');
$tpl->setVariable('RedirectURL', $_SERVER['REQUEST_URI']. (!empty($_GET) ? '&' : '?') .'enableJS=1');
$tpl->parseCurrentBlock();
$tpl->setCurrentBlock();
}
return $tpl;
}
// }}}
// {{{ displayError()
/**
* Display an error page
*
* @param mixed $eobj PEAR_Error object or string containing the error message
* @param string $title (optional) title of the page
* @param string $img (optional) iconhandle for this page
* @param boolean $popup (optional) popuperror or normal?
*
* @access public
*
* @return null does not return anything, but exit the script
*/
function displayError($eobj, $title = 'Error', $img = 'error', $popup = false)
{
return false;
$msg = '';
if (isset($GLOBALS['_PEAR_Frontend_Web_log']) && trim($GLOBALS['_PEAR_Frontend_Web_log'])) {
$msg = trim($GLOBALS['_PEAR_Frontend_Web_log'])."\n\n";
}
if (PEAR::isError($eobj)) {
$msg .= trim($eobj->getMessage());
} else {
$msg .= trim($eobj);
}
$msg = nl2br($msg."\n");
$tplfile = ($popup ? "error.popup.tpl.html" : "error.tpl.html");
$tpl = $this->_initTemplate($tplfile, $title, $img);
$tpl->setVariable("Error", $msg);
$command_map = array(
"install" => "list-all",
"uninstall" => "list-all",
"upgrade" => "list-all",
);
if (isset($_GET['command'])) {
if (isset($command_map[$_GET['command']])) {
$_GET['command'] = $command_map[$_GET['command']];
}
$tpl->setVariable("param", '?command='.$_GET['command']);
}
$tpl->show();
exit;
}
// }}}
// {{{ displayFatalError()
/**
* Alias for PEAR_Frontend_Web::displayError()
*
* @see PEAR_Frontend_Web::displayError()
*/
function displayFatalError($eobj, $title = 'Error', $img = 'error')
{
$this->displayError($eobj, $title, $img);
}
function displayErrorImg($eobj)
{
$msg = '';
if (isset($GLOBALS['_PEAR_Frontend_Web_log']) && trim($GLOBALS['_PEAR_Frontend_Web_log']))
$msg = trim($GLOBALS['_PEAR_Frontend_Web_log'])."\n\n";
$_SESSION['_PEAR_Frontend_Web_LastError'] = $eobj;
$_SESSION['_PEAR_Frontend_Web_LastError_log'] = $msg;
echo '<script language="javascript">';
printf('window.open("%s?command=show-last-error", "PEAR", "width=600, height=400");',
$_SERVER["PHP_SELF"]);
echo ' </script>';
printf('<img src="%s?img=install_fail" border="0">', $_SERVER['PHP_SELF']);
exit;
}
// }}}
// {{{ _outputListAll()
/**
* Output a list of packages, grouped by categories. Uses Paging
*
* @param array $data array containing all data to display the list
* @param string $title (optional) title of the page
* @param string $img (optional) iconhandle for this page
* @param boolean $useDHTML (optional) add JS and CSS for DHTML-features
* @param boolean $paging (optional) use Paging or not
*
* @access private
*
* @return boolean true (yep. i am an optimist)
*/
function _outputListAll($data, $title = 'Install / Upgrade / Remove PEAR Packages', $img = 'pkglist', $useDHTML = false, $paging = true)
{
$tpl = $this->_initTemplate("package.list.tpl.html", $title, $img, $useDHTML);
if (!isset($data['data'])) {
$data['data'] = array();
}
$pageId = isset($_GET['from'])?$_GET['from']:0;
$paging_data = $this->__getData($pageId, 5, count($data['data']), false);
$data['data'] = array_slice($data['data'], $pageId, 5);
$links = array();
$from = $paging_data['from'];
$to = $paging_data['next'];
// Generate Linkinformation to redirect to _this_ page after performing an action
$link_str = '<a href="?command=%s&from=%s&mode=%s" class="paging_link">%s</a>';
$command = isset($_GET['command']) ? $_GET['command']:'list-all';
$mode = isset($_GET['mode'])?$_GET['mode']:'';
if ($paging_data['from']>1) {
$links['back'] = sprintf($link_str, $command, $paging_data['prev'], $mode, '<<');
} else {
$links['back'] = '';
}
if ( $paging_data['next']) {
$links['next'] = sprintf($link_str, $command, $paging_data['next'], $mode, '>>');
} else {
$links['next'] = '';
}
$links['current'] = '&from=' . $paging_data['from'] . '&mode=' . $mode;
if (isset($_GET['command']) && $_GET['command'] == 'search') {
$links['current'] .= '&redirect=search&0='.$_REQUEST[0].'&1='.$_REQUEST[1];
}
$modes = array(
'installed' => 'list installed packages',
'' => 'list all packages',
'notinstalled' => 'list not installed packages',
'upgrades' => 'list avail. upgrades',
);
$i = 1;
foreach($modes as $mode => $text) {
$tpl->setVariable('mode' . $i , !empty($mode) ? '&mode='.$mode : '');
$tpl->setVariable('mode' . $i.'text', $text);
$i++;
}
$tpl->setVariable('Prev', $links['back']);
$tpl->setVariable('Next', $links['next']);
$tpl->setVariable('PagerFrom', $from);
$tpl->setVariable('PagerTo', $to);
$tpl->setVariable('PagerCount', $paging_data['numrows']);
foreach($data['data'] as $category => $packages) {
foreach($packages as $row) {
list($pkgName, $pkgVersionLatest, $pkgVersionInstalled, $pkgSummary) = $row;
$tpl->setCurrentBlock("Row");
$tpl->setVariable("ImgPackage", $_SERVER["PHP_SELF"].'?img=package');
$images = array(
'install' => '<img src="'.$_SERVER["PHP_SELF"].'?img=install" width="13" height="13" border="0" alt="install">',
'uninstall' => '<img src="'.$_SERVER["PHP_SELF"].'?img=uninstall" width="18" height="17" border="0" alt="uninstall">',
'upgrade' => '<img src="'.$_SERVER["PHP_SELF"].'?img=install" width="13" height="13" border="0" alt="upgrade">',
'info' => '<img src="'.$_SERVER["PHP_SELF"].'?img=info" width="17" height="19" border="0" alt="info">',
'infoExt' => '<img src="'.$_SERVER["PHP_SELF"].'?img=infoplus" width="18" height="19" border="0" alt="extended info">',
);
$urls = array(
'install' => sprintf('%s?command=install&pkg=%s%s',
$_SERVER["PHP_SELF"], $pkgName, $links['current']),
'uninstall' => sprintf('%s?command=uninstall&pkg=%s%s',
$_SERVER["PHP_SELF"], $pkgName, $links['current']),
'upgrade' => sprintf('%s?command=upgrade&pkg=%s%s',
$_SERVER["PHP_SELF"], $pkgName, $links['current']),
'info' => sprintf('%s?command=remote-info&pkg=%s',
$_SERVER["PHP_SELF"], $pkgName),
'infoExt' => sprintf('%s?package=%s',
'http://pear.php.net/package-info.php', $row[0]),
);
$compare = version_compare($pkgVersionLatest, $pkgVersionInstalled);
$id = 'id="'.$pkgName.'_href"';
if (!$pkgVersionInstalled || $pkgVersionInstalled == "- no -") {
$inst = sprintf('<a href="%s" onClick="return perform(\'%s\');" %s>%s</a>',
$urls['install'], $pkgName, $id, $images['install']);
$del = '';
} else if ($compare == 1) {
$inst = sprintf('<a href="%s" onClick="return perform(\'%s\');" %s>%s</a>',
$urls['upgrade'], $pkgName, $id, $images['upgrade']);
$del = sprintf('<a href="%s" onClick="return deletePkg(\'%s\');" %s >%s</a>',
$urls['uninstall'], $pkgName, $id, $images['uninstall']);
} else {
$del = sprintf('<a href="%s" onClick="return deletePkg(\'%s\');" %s >%s</a>',
$urls['uninstall'], $pkgName, $id, $images['uninstall']);
$inst = '';
}
$info = sprintf('<a href="%s">%s</a>', $urls['info'], $images['info']);
$infoExt = sprintf('<a href="%s">%s</a>', $urls['infoExt'], $images['infoExt']);
if (in_array($pkgName, $this->_no_delete_pkgs)) {
$del = '';
}
$tpl->setVariable("Latest", $pkgVersionLatest);
$tpl->setVariable("Installed", $pkgVersionInstalled);
$tpl->setVariable("Install", $inst);
$tpl->setVariable("Delete", $del);
$tpl->setVariable("Info", $info);
$tpl->setVariable("InfoExt", $infoExt);
$tpl->setVariable("Package", $pkgName);
$tpl->setVariable("Summary", nl2br($pkgSummary));
$tpl->parseCurrentBlock();
}
$tpl->setCurrentBlock("Category");
$tpl->setVariable("categoryName", $category);
$tpl->setVariable("ImgCategory", $_SERVER["PHP_SELF"].'?img=category');
$tpl->parseCurrentBlock();
}
$tpl->show();
return true;
}
function _getPackageDeps($deps)
{
if (count($deps) == 0) {
return "<i>No dependencies registered.</i>\n";
} else {
$lastversion = '';
$rel_trans = array(
'lt' => 'older than %s',
'le' => 'version %s or older',
'eq' => 'version %s',
'ne' => 'any version but %s',
'gt' => 'newer than %s',
'ge' => '%s or newer',
);
$dep_type_desc = array(
'pkg' => 'PEAR Package',
'ext' => 'PHP Extension',
'php' => 'PHP Version',
'prog' => 'Program',
'ldlib' => 'Development Library',
'rtlib' => 'Runtime Library',
'os' => 'Operating System',
'websrv' => 'Web Server',
'sapi' => 'SAPI Backend',
);
$result = " <dl>\n";
foreach($deps as $row) {
// Print link if it's a PEAR package
if ($row['type'] == 'pkg') {
$row['name'] = sprintf('<a class="green" href="%s?command=remote-info&pkg=%s">%s</a>',
$_SERVER['PHP_SELF'], $row['name'], $row['name']);
}
if (isset($rel_trans[$row['relation']])) {
$rel = sprintf($rel_trans[$row['relation']], $row['version']);
$result .= sprintf("%s: %s %s",
$dep_type_desc[$row['type']], $row['name'], $rel);
} else {
$result .= sprintf("%s: %s", $dep_type_desc[$row['type']], $row['name']);
}
$lastversion = $row['version'];
$result .= '<br>';
}
if ($lastversion) {
}
$result .= " </dl>\n";
}
return $result;
}
/**
* Output details of one package
*
* @param array $data array containing all information about the package
*
* @access private
*
* @return boolean true (yep. i am an optimist)
*/
function _outputPackageInfo($data)
{
$tpl = $this->_initTemplate("package.info.tpl.html", 'Package Management :: '.$data['name'], 'pkglist');
$tpl->setVariable("Latest", $data['stable']);
$tpl->setVariable("Installed", $data['installed']);
$tpl->setVariable("Package", $data['name']);
$tpl->setVariable("License", $data['license']);
$tpl->setVariable("Category", $data['category']);
$tpl->setVariable("Summary", nl2br($data['summary']));
$tpl->setVariable("Description", nl2br($data['description']));
$deps = $data['releases'][$data['stable']]['deps'];
$tpl->setVariable("Dependencies", $this->_getPackageDeps($deps));
$compare = version_compare($data['stable'], $data['installed']);
$images = array(
'install' => '<img src="'.$_SERVER["PHP_SELF"].'?img=install" width="13" height="13" border="0" alt="install">',
'uninstall' => '<img src="'.$_SERVER["PHP_SELF"].'?img=uninstall" width="18" height="17" border="0" alt="uninstall">',
'upgrade' => '<img src="'.$_SERVER["PHP_SELF"].'?img=install" width="13" height="13" border="0" alt="upgrade">',
);
$opt_img = array();
$opt_text = array();
if (!$data['installed'] || $data['installed'] == "- no -") {
$opt_img[] = sprintf(
'<a href="%s?command=install&pkg=%s&redirect=info">%s</a>',
$_SERVER["PHP_SELF"], $data['name'], $images['install']);
$opt_text[] = sprintf(
'<a href="%s?command=install&pkg=%s&redirect=info" class="green">Install package</a>',
$_SERVER["PHP_SELF"], $data['name']);
} else if ($compare == 1) {
$opt_img[] = sprintf(
'<a href="%s?command=upgrade&pkg=%s&redirect=info">%s</a><br>',
$_SERVER["PHP_SELF"], $data['name'], $images['upgrade']);
$opt_text[] = sprintf(
'<a href="%s?command=upgrade&pkg=%s&redirect=info" class="green">Upgrade package</a>',
$_SERVER["PHP_SELF"], $data['name']);
if (!in_array($data['name'], $this->_no_delete_pkgs)) {
$opt_img[] = sprintf(
'<a href="%s?command=uninstall&pkg=%s&redirect=info" %s>%s</a>',
$_SERVER["PHP_SELF"], $data['name'],
'onClick="return confirm(\'Do you really want to uninstall \\\''.$data['name'].'\\\'?\')"',
$images['uninstall']);
$opt_text[] = sprintf(
'<a href="%s?command=uninstall&pkg=%s&redirect=info" class="green" %s>Uninstall package</a>',
$_SERVER["PHP_SELF"], $data['name'],
'onClick="return confirm(\'Do you really want to uninstall \\\''.$data['name'].'\\\'?\')"');
}
} else {
if (!in_array($data['name'], $this->_no_delete_pkgs)) {
$opt_img[] = sprintf(
'<a href="%s?command=uninstall&pkg=%s&redirect=info" %s>%s</a>',
$_SERVER["PHP_SELF"], $data['name'],
'onClick="return confirm(\'Do you really want to uninstall \\\''.$data['name'].'\\\'?\')"',
$images['uninstall']);
$opt_text[] = sprintf(
'<a href="%s?command=uninstall&pkg=%s&redirect=info" class="green" %s>Uninstall package</a>',
$_SERVER["PHP_SELF"], $data['name'],
'onClick="return confirm(\'Do you really want to uninstall \\\''.$data['name'].'\\\'?\')"');
}
}
if (isset($opt_img[0]))
{
$tpl->setVariable("Opt_Img_1", $opt_img[0]);
$tpl->setVariable("Opt_Text_1", $opt_text[0]);
}
if (isset($opt_img[1]))
{
$tpl->setVariable("Opt_Img_2", $opt_img[1]);
$tpl->setVariable("Opt_Text_2", $opt_text[1]);
}
$tpl->show();
return true;
}
/**
* Output all kinds of data depending on the command which called this method
*
* @param mixed $data datastructure containing the information to display
* @param string $command (optional) command from which this method was called
*
* @access public
*
* @return mixed highly depends on the command
*/
function outputData($data, $command = '_default')
{
switch ($command) {
case 'config-show':
$prompt = array();
$default = array();
foreach($data['data'] as $group) {
foreach($group as $row) {
$prompt[$row[1]] = $row[0];
$default[$row[1]] = $row[2];
}
}
$title = 'Configuration :: '.$GLOBALS['pear_user_config'];
$GLOBALS['_PEAR_Frontend_Web_Config'] =
$this->userDialog($command, $prompt, array(), $default, $title, 'config');
return true;
case 'list-all':
#return $this->_outputListAll($data);
return $data;
case 'search':
return $this->_outputListAll($data, 'Package Search :: Result', 'pkgsearch', false, false);
case 'remote-info':
return $this->_outputPackageInfo($data);
case 'install':
case 'upgrade':
case 'uninstall':
return true;
case 'login':
if ($_SERVER["REQUEST_METHOD"] != "POST")
$this->_data[$command] = $data;
return true;
case 'logout':
$this->displayError($data, 'Logout', 'logout');
break;
case 'package':
echo $data;
break;
default:
echo $data;
}
return true;
}
/**
* Display a formular and return the given input (yes. needs to requests)
*
* @param string $command command from which this method was called
* @param array $prompts associative array. keys are the inputfieldnames
* and values are the description
* @param array $types (optional) array of inputfieldtypes (text, password,
* etc.) keys have to be the same like in $prompts
* @param array $defaults (optional) array of defaultvalues. again keys have
* to be the same like in $prompts
* @param string $title (optional) title of the page
* @param string $icon (optional) iconhandle for this page
*
* @access public
*
* @return array input sended by the user
*/
function userDialog($command, $prompts, $types = array(), $defaults = array(), $title = '', $icon = '')
{
// If this is an POST Request, we can return the userinput
if (isset($_GET["command"]) && $_GET["command"]==$command
&& $_SERVER["REQUEST_METHOD"] == "POST") {
$result = array();
foreach($prompts as $key => $prompt) {
$result[$key] = $_POST[$key];
}
return $result;
}
// If this is an Answer GET Request , we can return the userinput
if (isset($_GET["command"]) && $_GET["command"]==$command
&& isset($_GET["userDialogResult"]) && $_GET["userDialogResult"]=='get') {
$result = array();
foreach($prompts as $key => $prompt) {
$result[$key] = $_GET[$key];
}
return $result;
}
// Assign title and icon to some commands
if ($command == 'login') {
$title = 'Login';
$icon = 'login';
}
$tpl = $this->_initTemplate("userDialog.tpl.html", $title, $icon);
$tpl->setVariable("Command", $command);
if (isset($this->_data[$command])) {
$tpl->setVariable("Headline", nl2br($this->_data[$command]));
}
if (is_array($prompts)) {
$maxlen = 0;
foreach($prompts as $key => $prompt) {
if (strlen($prompt) > $maxlen) {
$maxlen = strlen($prompt);
}
}
foreach($prompts as $key => $prompt) {
$tpl->setCurrentBlock("InputField");
$type = (isset($types[$key]) ? $types[$key] : 'text');
$default = (isset($defaults[$key]) ? $defaults[$key] : '');
$tpl->setVariable("prompt", $prompt);
$tpl->setVariable("name", $key);
$tpl->setVariable("default", $default);
$tpl->setVariable("type", $type);
if ($maxlen > 25) {
$tpl->setVariable("width", 'width="275"');
}
$tpl->parseCurrentBlock();
}
}
$tpl->show();
exit;
}
/**
* Write message to log
*
* @param string $text message which has to written to log
*
* @access public
*
* @return boolean true
*/
function log($text)
{
$GLOBALS['_PEAR_Frontend_Web_log'] .= $text."\n";
return true;
}
/**
* Sends the required file along with Headers and exits the script
*
* @param string $handle handle of the requested file
* @param string $group group of the requested file
*
* @access public
*
* @return null nothing, because script exits
*/
function outputFrontendFile($handle, $group)
{
$handles = array(
"css" => array(
"style" => "style.css",
"dhtml" => "dhtml.css",
),
"js" => array(
"dhtml" => "dhtml.js",
"nodhtml" => "nodhtml.js",
),
"image" => array(
"logout" => array(
"type" => "gif",
"file" => "logout.gif",
),
"login" => array(
"type" => "gif",
"file" => "login.gif",
),
"config" => array(
"type" => "gif",
"file" => "config.gif",
),
"pkglist" => array(
"type" => "png",
"file" => "pkglist.png",
),
"pkgsearch" => array(
"type" => "png",
"file" => "pkgsearch.png",
),
"package" => array(
"type" => "jpeg",
"file" => "package.jpg",
),
"category" => array(
"type" => "jpeg",
"file" => "category.jpg",
),
"install" => array(
"type" => "gif",
"file" => "install.gif",
),
"install_wait" => array(
"type" => "gif",
"file" => "install_wait.gif",
),
"install_ok" => array(
"type" => "gif",
"file" => "install_ok.gif",
),
"install_fail" => array(
"type" => "gif",
"file" => "install_fail.gif",
),
"uninstall" => array(
"type" => "gif",
"file" => "trash.gif",
),
"info" => array(
"type" => "gif",
"file" => "info.gif",
),
"infoplus" => array(
"type" => "gif",
"file" => "infoplus.gif",
),
"pear" => array(
"type" => "gif",
"file" => "pearsmall.gif",
),
"error" => array(
"type" => "gif",
"file" => "error.gif",
),
"manual" => array(
"type" => "gif",
"file" => "manual.gif",
),
"download" => array(
"type" => "gif",
"file" => "download.gif",
),
),
);
$file = $handles[$group][$handle];
switch ($group) {
case 'css':
header("Content-Type: text/css");
readfile(dirname(__FILE__).'/Web/'.$file);
exit;
case 'image':
$filename = dirname(__FILE__).'/Web/'.$file['file'];
header("Content-Type: image/".$file['type']);
header("Expires: ".gmdate("D, d M Y H:i:s \G\M\T", time() + 60*60*24*100));
header("Last-Modified: ".gmdate("D, d M Y H:i:s \G\M\T", filemtime($filename)));
header("Cache-Control: public");
header("Pragma: ");
readfile($filename);
exit;
case 'js':
header("Content-Type: text/javascript");
readfile(dirname(__FILE__).'/Web/'.$file);
exit;
}
}
/*
* From DB::Pager. Removing Pager dependency.
* @private
*/
function __getData($from, $limit, $numrows, $maxpages = false)
{
if (empty($numrows) || ($numrows < 0)) {
return null;
}
$from = (empty($from)) ? 0 : $from;
if ($limit <= 0) {
return false;
}
// Total number of pages
$pages = ceil($numrows/$limit);
$data['numpages'] = $pages;
// first & last page
$data['firstpage'] = 1;
$data['lastpage'] = $pages;
// Build pages array
$data['pages'] = array();
for ($i=1; $i <= $pages; $i++) {
$offset = $limit * ($i-1);
$data['pages'][$i] = $offset;
// $from must point to one page
if ($from == $offset) {
// The current page we are
$data['current'] = $i;
}
}
if (!isset($data['current'])) {
return PEAR::raiseError (null, 'wrong "from" param', null,
null, null, 'DB_Error', true);
}
// Limit number of pages (Goole algorithm)
if ($maxpages) {
$radio = floor($maxpages/2);
$minpage = $data['current'] - $radio;
if ($minpage < 1) {
$minpage = 1;
}
$maxpage = $data['current'] + $radio - 1;
if ($maxpage > $data['numpages']) {
$maxpage = $data['numpages'];
}
foreach (range($minpage, $maxpage) as $page) {
$tmp[$page] = $data['pages'][$page];
}
$data['pages'] = $tmp;
$data['maxpages'] = $maxpages;
} else {
$data['maxpages'] = null;
}
// Prev link
$prev = $from - $limit;
$data['prev'] = ($prev >= 0) ? $prev : null;
// Next link
$next = $from + $limit;
$data['next'] = ($next < $numrows) ? $next : null;
// Results remaining in next page & Last row to fetch
if ($data['current'] == $pages) {
$data['remain'] = 0;
$data['to'] = $numrows;
} else {
if ($data['current'] == ($pages - 1)) {
$data['remain'] = $numrows - ($limit*($pages-1));
} else {
$data['remain'] = $limit;
}
$data['to'] = $data['current'] * $limit;
}
$data['numrows'] = $numrows;
$data['from'] = $from + 1;
$data['limit'] = $limit;
return $data;
}
// }}}
}
?>