Viewing file:  Theme_Manager.class.php (9.75 KB) -rw-rw-rw-
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @version $Id: Theme_Manager.class.php 11996 2008-11-24 11:25:54Z nijel $
* @package phpMyAdmin
*/
/**
*
*/
require_once './libraries/Theme.class.php';
/**
*
* @package phpMyAdmin
*/
class PMA_Theme_Manager
{
/**
* @var string path to theme folder
* @access protected
*/
var $_themes_path;
/**
* @var array available themes
*/
var $themes = array();
/**
* @var string cookie name
*/
var $cookie_name = 'pma_theme';
/**
* @var boolean
*/
var $per_server = false;
/**
* @var string name of active theme
*/
var $active_theme = '';
/**
* @var object PMA_Theme active theme
*/
var $theme = null;
/**
* @var string
*/
var $theme_default = 'original';
function __construct()
{
$this->init();
}
/**
* sets path to folder containing the themes
*
* @param string $path path to themes folder
* @return boolean success
*/
function setThemesPath($path)
{
if (! $this->_checkThemeFolder($path)) {
return false;
}
$this->_themes_path = trim($path);
return true;
}
/**
* @public
* @return string
*/
function getThemesPath()
{
return $this->_themes_path;
}
/**
* sets if there are different themes per server
*
* @param boolean $per_server
*/
function setThemePerServer($per_server)
{
$this->per_server = (bool) $per_server;
}
function init()
{
$this->themes = array();
$this->theme_default = 'original';
$this->active_theme = '';
if (! $this->setThemesPath($GLOBALS['cfg']['ThemePath'])) {
return false;
}
$this->setThemePerServer($GLOBALS['cfg']['ThemePerServer']);
$this->loadThemes();
$this->theme = new PMA_Theme;
if (! $this->checkTheme($GLOBALS['cfg']['ThemeDefault'])) {
trigger_error(
sprintf($GLOBALS['strThemeDefaultNotFound'],
htmlspecialchars($GLOBALS['cfg']['ThemeDefault'])),
E_USER_ERROR);
$GLOBALS['cfg']['ThemeDefault'] = false;
}
$this->theme_default = $GLOBALS['cfg']['ThemeDefault'];
// check if user have a theme cookie
if (! $this->getThemeCookie()
|| ! $this->setActiveTheme($this->getThemeCookie())) {
// otherwise use default theme
if ($GLOBALS['cfg']['ThemeDefault']) {
$this->setActiveTheme($GLOBALS['cfg']['ThemeDefault']);
} else {
// or original theme
$this->setActiveTheme('original');
}
}
}
function checkConfig()
{
if ($this->_themes_path != trim($GLOBALS['cfg']['ThemePath'])
|| $this->theme_default != $GLOBALS['cfg']['ThemeDefault']) {
$this->init();
} else {
// at least the theme path needs to be checked every time for new
// themes, as there is no other way at the moment to keep track of
// new or removed themes
$this->loadThemes();
}
}
function setActiveTheme($theme = null)
{
if (! $this->checkTheme($theme)) {
trigger_error(
sprintf($GLOBALS['strThemeNotFound'], htmlspecialchars($theme)),
E_USER_ERROR);
return false;
}
$this->active_theme = $theme;
$this->theme = $this->themes[$theme];
// need to set later
//$this->setThemeCookie();
return true;
}
/**
* @return string cookie name
*/
function getThemeCookieName()
{
// Allow different theme per server
if (isset($GLOBALS['server']) && $this->per_server) {
return $this->cookie_name . '-' . $GLOBALS['server'];
} else {
return $this->cookie_name;
}
}
/**
* returns name of theme stored in the cookie
* @return string theme name from cookie
*/
function getThemeCookie()
{
if (isset($_COOKIE[$this->getThemeCookieName()])) {
return $_COOKIE[$this->getThemeCookieName()];
}
return false;
}
/**
* save theme in cookie
*
* @uses PMA_setCookie();
* @uses PMA_Theme_Manager::getThemeCookieName()
* @uses PMA_Theme_Manager::$theme
* @uses PMA_Theme_Manager::$theme_default
* @uses PMA_Theme::getId()
*/
function setThemeCookie()
{
PMA_setCookie($this->getThemeCookieName(), $this->theme->id,
$this->theme_default);
// force a change of a dummy session variable to avoid problems
// with the caching of phpmyadmin.css.php
$_SESSION['PMA_Config']->set('theme-update', $this->theme->id);
return true;
}
/**
* @private
* @param string $folder
* @return boolean
*/
/*private*/ function _checkThemeFolder($folder)
{
if (! is_dir($folder)) {
trigger_error(
sprintf($GLOBALS['strThemePathNotFound'],
htmlspecialchars($folder)),
E_USER_ERROR);
return false;
}
return true;
}
/**
* read all themes
*/
function loadThemes()
{
$this->themes = array();
if ($handleThemes = opendir($this->getThemesPath())) {
// check for themes directory
while (false !== ($PMA_Theme = readdir($handleThemes))) {
if (array_key_exists($PMA_Theme, $this->themes)) {
// this does nothing!
//$this->themes[$PMA_Theme] = $this->themes[$PMA_Theme];
continue;
}
$new_theme = PMA_Theme::load($this->getThemesPath() . '/' . $PMA_Theme);
if ($new_theme) {
$new_theme->setId($PMA_Theme);
$this->themes[$PMA_Theme] = $new_theme;
}
} // end get themes
closedir($handleThemes);
} else {
trigger_error(
'phpMyAdmin-ERROR: cannot open themes folder: ' . $this->getThemesPath(),
E_USER_WARNING);
return false;
} // end check for themes directory
ksort($this->themes);
return true;
}
/**
* checks if given theme name is a known theme
*
* @param string $theme name fo theme to check for
*/
function checkTheme($theme)
{
if (! array_key_exists($theme, $this->themes)) {
return false;
}
return true;
}
/**
* returns HTML selectbox, with or without form enclosed
*
* @param boolean $form whether enclosed by from tags or not
*/
function getHtmlSelectBox($form = true)
{
$select_box = '';
if ($form) {
$select_box .= '<form name="setTheme" method="post" action="index.php"'
.' target="_parent">';
$select_box .= PMA_generate_common_hidden_inputs();
}
$theme_selected = FALSE;
$theme_preview_path= './themes.php';
$theme_preview_href = '<a href="' . $theme_preview_path . '" target="themes" onclick="'
. "window.open('" . $theme_preview_path . "','themes','left=10,top=20,width=510,height=350,scrollbars=yes,status=yes,resizable=yes');"
. '">';
$select_box .= $theme_preview_href . $GLOBALS['strTheme'] . '</a>:' . "\n";
$select_box .= '<select name="set_theme" xml:lang="en" dir="ltr"'
.' onchange="this.form.submit();" >';
foreach ($this->themes as $each_theme_id => $each_theme) {
$select_box .= '<option value="' . $each_theme_id . '"';
if ($this->active_theme === $each_theme_id) {
$select_box .= ' selected="selected"';
}
$select_box .= '>' . htmlspecialchars($each_theme->getName()) . '</option>';
}
$select_box .= '</select>';
if ($form) {
$select_box .= '<noscript><input type="submit" value="' . $GLOBALS['strGo'] . '" /></noscript>';
$select_box .= '</form>';
}
return $select_box;
}
/**
* enables backward compatibility
*/
function makeBc()
{
$GLOBALS['theme'] = $this->theme->getId();
$GLOBALS['pmaThemePath'] = $this->theme->getPath();
$GLOBALS['pmaThemeImage'] = $this->theme->getImgPath();
/**
* load layout file if exists
*/
if (@file_exists($GLOBALS['pmaThemePath'] . 'layout.inc.php')) {
include $GLOBALS['pmaThemePath'] . 'layout.inc.php';
}
}
/**
* prints out preview for every theme
*
* @uses $this->themes
* @uses PMA_Theme::printPreview()
*/
function printPreviews()
{
foreach ($this->themes as $each_theme) {
$each_theme->printPreview();
} // end 'open themes'
}
/**
* returns PMA_Theme object for fall back theme
* @return object PMA_Theme
*/
function getFallBackTheme()
{
if (isset($this->themes['original'])) {
return $this->themes['original'];
}
return false;
}
/**
* prints css data
*/
function printCss($type)
{
if ($this->theme->loadCss($type)) {
return true;
}
// if loading css for this theme failed, try default theme css
$fallback_theme = $this->getFallBackTheme();
if ($fallback_theme && $fallback_theme->loadCss($type)) {
return true;
}
return false;
}
}
?>
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