ThemeSelect.class.php

<?php
 
if (!defined('XOOPS_ROOT_PATH')) {
    exit();
}

class Legacy_ThemeSelect extends XCube_ActionFilter
{
    public $mIsSelectableTheme = null;
 
    public function __construct(&$controller)
    {
        //
        // TODO remove
        //
        parent::__construct($controller);
        $this->mIsSelectableTheme =new XCube_Delegate();
        $this->mIsSelectableTheme->register('Legacy_ThemeSelect.IsSelectableTheme');
 
        $controller->mSetupUser->add([&$this, 'doChangeTheme']);
    }
 
    public function preBlockFilter()
    {
        $this->mController->mRoot->mDelegateManager->add('Site.CheckLogin.Success', [&$this, 'callbackCheckLoginSuccess']);
    }

    public function doChangeTheme(&$principal, &$controller, &$context)
    {
        if (!empty($_POST['xoops_theme_select'])) {
            $xoops_theme_select = explode('!-!', $_POST['xoops_theme_select']);
            if ($this->_isSelectableTheme($xoops_theme_select[0])) {
                $this->mRoot->mContext->setThemeName($xoops_theme_select[0]);
                $_SESSION['xoopsUserTheme'] = $xoops_theme_select[0];
                $controller->executeForward($GLOBALS['xoopsRequestUri']);
            }
        } elseif (!empty($_SESSION['xoopsUserTheme']) && $this->_isSelectableTheme($_SESSION['xoopsUserTheme'])) {
            $this->mRoot->mContext->setThemeName($_SESSION['xoopsUserTheme']);
        }
    }
 
    public function callbackCheckLoginSuccess(&$xoopsUser)
    {
        //
        // Check Theme and set it to session.
        //
        $userTheme = $xoopsUser->get('theme');
        if (in_array($userTheme, $this->mRoot->mContext->getXoopsConfig('theme_set_allowed'), true)) {
            $_SESSION['xoopsUserTheme'] = $userTheme;
            $this->mRoot->mContext->setThemeName($userTheme);
        }
    }
 
    public function _isSelectableTheme($theme_name)
    {
        return in_array($theme_name, $this->mRoot->mContext->getXoopsConfig('theme_set_allowed'), true);
    }
}