PermissionModuleController.php

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<?php
namespace TYPO3\CMS\Perm\Controller;

use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Backend\Utility\IconUtility;

class PermissionModuleController {

    public $getLevels = 10;

    protected $MCONF = array();

    public $doc;

    public $content;

    public $MOD_MENU = array();

    public $MOD_SETTINGS = array();

    public $perms_clause;

    public $pageinfo;

    public $color;

    public $color2;

    public $color3;

    public $editingAllowed;

    public $id;

    public $edit;

    public $return_id;

    public $lastEdited;

    public function __construct() {
        $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_mod_web_perm.xlf');
        $GLOBALS['BE_USER']->modAccess($GLOBALS['MCONF'], TRUE);
    }

    public function init() {
        // Setting GPvars:
        $this->id = (int)GeneralUtility::_GP('id');
        $this->edit = GeneralUtility::_GP('edit');
        $this->return_id = GeneralUtility::_GP('return_id');
        $this->lastEdited = GeneralUtility::_GP('lastEdited');
        // Module name;
        $this->MCONF = $GLOBALS['MCONF'];
        // Page select clause:
        $this->perms_clause = $GLOBALS['BE_USER']->getPagePermsClause(1);
        // Initializing document template object:
        $this->doc = GeneralUtility::makeInstance('TYPO3\\CMS\\Backend\\Template\\DocumentTemplate');
        $this->doc->backPath = $GLOBALS['BACK_PATH'];
        $this->doc->setModuleTemplate('EXT:perm/Resources/Private/Templates/perm.html');
        $this->doc->form = '<form action="' . $GLOBALS['BACK_PATH'] . 'tce_db.php" method="post" name="editform">';
        $this->doc->loadJavascriptLib('js/jsfunc.updateform.js');
        $this->doc->getPageRenderer()->loadPrototype();
        $this->doc->loadJavascriptLib(\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extRelPath('perm') . 'mod1/perm.js');
        // Setting up the context sensitive menu:
        $this->doc->getContextMenuCode();
        // Set up menus:
        $this->menuConfig();
    }

    public function menuConfig() {
        $level = $GLOBALS['LANG']->getLL('levels');
        $this->MOD_MENU = array(
            'depth' => array(
                1 => '1 ' . $level,
                2 => '2 ' . $level,
                3 => '3 ' . $level,
                4 => '4 ' . $level,
                10 => '10 ' . $level
            )
        );
        // Clean up settings:
        $this->MOD_SETTINGS = BackendUtility::getModuleData($this->MOD_MENU, GeneralUtility::_GP('SET'), $this->MCONF['name']);
    }

    public function main() {
        // Access check...
        // The page will show only if there is a valid page and if this page may be viewed by the user
        $this->pageinfo = BackendUtility::readPageAccess($this->id, $this->perms_clause);
        $access = is_array($this->pageinfo);
        // Checking access:
        if ($this->id && $access || $GLOBALS['BE_USER']->isAdmin() && !$this->id) {
            if ($GLOBALS['BE_USER']->isAdmin() && !$this->id) {
                $this->pageinfo = array('title' => '[root-level]', 'uid' => 0, 'pid' => 0);
            }
            // This decides if the editform can and will be drawn:
            $this->editingAllowed = $this->pageinfo['perms_userid'] == $GLOBALS['BE_USER']->user['uid'] || $GLOBALS['BE_USER']->isAdmin();
            $this->edit = $this->edit && $this->editingAllowed;
            // If $this->edit then these functions are called in the end of the page...
            if ($this->edit) {
                $this->doc->postCode .= $this->doc->wrapScriptTags('
                    setCheck("check[perms_user]", "data[pages][' . $this->id . '][perms_user]");
                    setCheck("check[perms_group]", "data[pages][' . $this->id . '][perms_group]");
                    setCheck("check[perms_everybody]", "data[pages][' . $this->id . '][perms_everybody]");
                ');
            }

            // Draw the HTML page header.
            $this->content .= $this->doc->header($GLOBALS['LANG']->getLL('permissions') . ($this->edit ? ': ' . $GLOBALS['LANG']->getLL('Edit') : ''));
            $vContent = $this->doc->getVersionSelector($this->id, 1);
            if ($vContent) {
                $this->content .= $this->doc->section('', $vContent);
            }

            // Main function, branching out:
            if (!$this->edit) {
                $this->notEdit();
            } else {
                $this->doEdit();
            }

            $docHeaderButtons = $this->getButtons();
            $markers['CSH'] = $this->docHeaderButtons['csh'];
            $markers['FUNC_MENU'] = BackendUtility::getFuncMenu($this->id, 'SET[mode]', $this->MOD_SETTINGS['mode'], $this->MOD_MENU['mode']);
            $markers['CONTENT'] = $this->content;

            // Build the <body> for the module
            $this->content = $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers);
        } else {
            // If no access or if ID == zero
            $this->content = $this->doc->header($GLOBALS['LANG']->getLL('permissions'));
        }
        // Renders the module page
        $this->content = $this->doc->render($GLOBALS['LANG']->getLL('permissions'), $this->content);
    }

    public function printContent() {
        $this->content = $this->doc->insertStylesAndJS($this->content);
        echo $this->content;
    }

    protected function getButtons() {
        $buttons = array(
            'csh' => '',
            'view' => '',
            'shortcut' => ''
        );
        // CSH
        $buttons['csh'] = BackendUtility::cshItem('_MOD_web_info', '', $GLOBALS['BACK_PATH'], '', TRUE);
        // View page
        $buttons['view'] = '<a href="#" onclick="' . htmlspecialchars(BackendUtility::viewonclick($this->pageinfo['uid'], $GLOBALS['BACK_PATH'], BackendUtility::BEgetRootLine($this->pageinfo['uid']))) . '" title="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.showPage', TRUE) . '">' . IconUtility::getSpriteIcon('actions-document-view') . '</a>';
        // Shortcut
        if ($GLOBALS['BE_USER']->mayMakeShortcut()) {
            $buttons['shortcut'] = $this->doc->makeShortcutIcon('id, edit_record, pointer, new_unique_uid, search_field, search_levels, showLimit', implode(',', array_keys($this->MOD_MENU)), $this->MCONF['name']);
        }
        return $buttons;
    }

    /*****************************
     *
     * Listing and Form rendering
     *
     *****************************/
    public function doEdit() {
        if ($GLOBALS['BE_USER']->workspace != 0) {
            // Adding section with the permission setting matrix:
            $flashMessage = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Messaging\\FlashMessage', $GLOBALS['LANG']->getLL('WorkspaceWarningText'), $GLOBALS['LANG']->getLL('WorkspaceWarning'), \TYPO3\CMS\Core\Messaging\FlashMessage::WARNING);
            $flashMessageService = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Messaging\\FlashMessageService');
            $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
            $defaultFlashMessageQueue->enqueue($flashMessage);
        }
        // Get usernames and groupnames
        $beGroupArray = BackendUtility::getListGroupNames('title,uid');
        $beGroupKeys = array_keys($beGroupArray);
        $beUserArray = BackendUtility::getUserNames();
        if (!$GLOBALS['BE_USER']->isAdmin()) {
            $beUserArray = BackendUtility::blindUserNames($beUserArray, $beGroupKeys, 1);
        }
        $beGroupArray_o = ($beGroupArray = BackendUtility::getGroupNames());
        if (!$GLOBALS['BE_USER']->isAdmin()) {
            $beGroupArray = BackendUtility::blindGroupNames($beGroupArray_o, $beGroupKeys, 1);
        }

        // Owner selector:
        $options = '';

        // flag: is set if the page-userid equals one from the user-list
        $userset = 0;
        foreach ($beUserArray as $uid => $row) {
            if ($uid == $this->pageinfo['perms_userid']) {
                $userset = 1;
                $selected = ' selected="selected"';
            } else {
                $selected = '';
            }
            $options .= '<option value="' . $uid . '"' . $selected . '>' . htmlspecialchars($row['username']) . '</option>';
        }
        $options = '<option value="0"></option>' . $options;
        $selector = '<select name="data[pages][' . $this->id . '][perms_userid]">' . $options . '</select>';
        $this->content .= $this->doc->section($GLOBALS['LANG']->getLL('Owner'), $selector, TRUE);

        // Group selector:
        $options = '';
        $userset = 0;
        foreach ($beGroupArray as $uid => $row) {
            if ($uid == $this->pageinfo['perms_groupid']) {
                $userset = 1;
                $selected = ' selected="selected"';
            } else {
                $selected = '';
            }
            $options .= '<option value="' . $uid . '"' . $selected . '>' . htmlspecialchars($row['title']) . '</option>';
        }

        // If the group was not set AND there is a group for the page
        if (!$userset && $this->pageinfo['perms_groupid']) {
            $options = '<option value="' . $this->pageinfo['perms_groupid'] . '" selected="selected">' . htmlspecialchars($beGroupArray_o[$this->pageinfo['perms_groupid']]['title']) . '</option>' . $options;
        }
        $options = '<option value="0"></option>' . $options;
        $selector = '<select name="data[pages][' . $this->id . '][perms_groupid]">' . $options . '</select>';

        $this->content .= $this->doc->section($GLOBALS['LANG']->getLL('Group'), $selector, TRUE);

        // Permissions checkbox matrix:
        $code = '
            <table class="t3-table" id="typo3-permissionMatrix">
                <thead>
                    <tr>
                        <th></th>
                        <th>' . $GLOBALS['LANG']->getLL('1', TRUE) . '</th>
                        <th>' . $GLOBALS['LANG']->getLL('16', TRUE) . '</th>
                        <th>' . $GLOBALS['LANG']->getLL('2', TRUE) . '</th>
                        <th>' . $GLOBALS['LANG']->getLL('4', TRUE) . '</th>
                        <th>' . $GLOBALS['LANG']->getLL('8', TRUE) . '</th>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td><strong>' . $GLOBALS['LANG']->getLL('Owner', TRUE) . '</strong></td>
                        <td>' . $this->printCheckBox('perms_user', 1) . '</td>
                        <td>' . $this->printCheckBox('perms_user', 5) . '</td>
                        <td>' . $this->printCheckBox('perms_user', 2) . '</td>
                        <td>' . $this->printCheckBox('perms_user', 3) . '</td>
                        <td>' . $this->printCheckBox('perms_user', 4) . '</td>
                    </tr>
                    <tr>
                        <td><strong>' . $GLOBALS['LANG']->getLL('Group', TRUE) . '</strong></td>
                        <td>' . $this->printCheckBox('perms_group', 1) . '</td>
                        <td>' . $this->printCheckBox('perms_group', 5) . '</td>
                        <td>' . $this->printCheckBox('perms_group', 2) . '</td>
                        <td>' . $this->printCheckBox('perms_group', 3) . '</td>
                        <td>' . $this->printCheckBox('perms_group', 4) . '</td>
                    </tr>
                    <tr>
                        <td><strong>' . $GLOBALS['LANG']->getLL('Everybody', TRUE) . '</strong></td>
                        <td>' . $this->printCheckBox('perms_everybody', 1) . '</td>
                        <td>' . $this->printCheckBox('perms_everybody', 5) . '</td>
                        <td>' . $this->printCheckBox('perms_everybody', 2) . '</td>
                        <td>' . $this->printCheckBox('perms_everybody', 3) . '</td>
                        <td>' . $this->printCheckBox('perms_everybody', 4) . '</td>
                    </tr>
                </tbody>
            </table>

            <input type="hidden" name="data[pages][' . $this->id . '][perms_user]" value="' . $this->pageinfo['perms_user'] . '" />
            <input type="hidden" name="data[pages][' . $this->id . '][perms_group]" value="' . $this->pageinfo['perms_group'] . '" />
            <input type="hidden" name="data[pages][' . $this->id . '][perms_everybody]" value="' . $this->pageinfo['perms_everybody'] . '" />
            ' . $this->getRecursiveSelect($this->id, $this->perms_clause) . '
            <input type="submit" name="submit" value="' . $GLOBALS['LANG']->getLL('Save', TRUE) . '" />' . '<input type="submit" value="' . $GLOBALS['LANG']->getLL('Abort', TRUE) . '" onclick="' . htmlspecialchars(('jumpToUrl(' . GeneralUtility::quoteJSvalue((BackendUtility::getModuleUrl('web_perm') . '&id=' . $this->id), TRUE) . '); return false;')) . '" />
            <input type="hidden" name="redirect" value="' . htmlspecialchars((BackendUtility::getModuleUrl('web_perm') . '&mode=' . $this->MOD_SETTINGS['mode'] . '&depth=' . $this->MOD_SETTINGS['depth'] . '&id=' . (int)$this->return_id . '&lastEdited=' . $this->id)) . '" />
            ' . \TYPO3\CMS\Backend\Form\FormEngine::getHiddenTokenField('tceAction');

        // Adding section with the permission setting matrix:
        $this->content .= $this->doc->section($GLOBALS['LANG']->getLL('permissions'), $code, TRUE);

        // CSH for permissions setting
        $this->content .= BackendUtility::cshItem('xMOD_csh_corebe', 'perm_module_setting', $GLOBALS['BACK_PATH'], '<br /><br />');

        // Adding help text:
        if ($GLOBALS['BE_USER']->uc['helpText']) {
            $legendText = '<p><strong>' . $GLOBALS['LANG']->getLL('1', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('1_t', TRUE) . '<br />';
            $legendText .= '<strong>' . $GLOBALS['LANG']->getLL('16', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('16_t', TRUE) . '<br />';
            $legendText .= '<strong>' . $GLOBALS['LANG']->getLL('2', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('2_t', TRUE) . '<br />';
            $legendText .= '<strong>' . $GLOBALS['LANG']->getLL('4', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('4_t', TRUE) . '<br />';
            $legendText .= '<strong>' . $GLOBALS['LANG']->getLL('8', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('8_t', TRUE) . '</p>';

            $code = $legendText . '<p>' . $GLOBALS['LANG']->getLL('def', TRUE) . '</p>';

            $this->content .= $this->doc->section($GLOBALS['LANG']->getLL('Legend', TRUE), $code, TRUE);
        }
    }

    public function notEdit() {
        // Get usernames and groupnames: The arrays we get in return contains only 1) users which are members of the groups of the current user, 2) groups that the current user is member of
        $beGroupKeys = $GLOBALS['BE_USER']->userGroupsUID;
        $beUserArray = BackendUtility::getUserNames();
        if (!$GLOBALS['BE_USER']->isAdmin()) {
            $beUserArray = BackendUtility::blindUserNames($beUserArray, $beGroupKeys, 0);
        }
        $beGroupArray = BackendUtility::getGroupNames();
        if (!$GLOBALS['BE_USER']->isAdmin()) {
            $beGroupArray = BackendUtility::blindGroupNames($beGroupArray, $beGroupKeys, 0);
        }

        // Length of strings:
        $tLen = 20;

        // Selector for depth:
        $code = $GLOBALS['LANG']->getLL('Depth') . ': ';
        $code .= BackendUtility::getFuncMenu($this->id, 'SET[depth]', $this->MOD_SETTINGS['depth'], $this->MOD_MENU['depth']);
        $this->content .= $this->doc->section('', $code);

        $tree = GeneralUtility::makeInstance('TYPO3\\CMS\\Backend\\Tree\\View\\PageTreeView');
        $tree->init('AND ' . $this->perms_clause);
        $tree->addField('perms_user', 1);
        $tree->addField('perms_group', 1);
        $tree->addField('perms_everybody', 1);
        $tree->addField('perms_userid', 1);
        $tree->addField('perms_groupid', 1);
        $tree->addField('hidden');
        $tree->addField('fe_group');
        $tree->addField('starttime');
        $tree->addField('endtime');
        $tree->addField('editlock');

        // Creating top icon; the current page
        $HTML = IconUtility::getSpriteIconForRecord('pages', $this->pageinfo);
        $tree->tree[] = array('row' => $this->pageinfo, 'HTML' => $HTML);

        // Create the tree from $this->id:
        $tree->getTree($this->id, $this->MOD_SETTINGS['depth'], '');

        // Make header of table:
        $code = '
            <thead>
                <tr>
                    <th colspan="2">&nbsp;</th>
                    <th>' . $GLOBALS['LANG']->getLL('Owner', TRUE) . '</th>
                    <th align="center">' . $GLOBALS['LANG']->getLL('Group', TRUE) . '</th>
                    <th align="center">' . $GLOBALS['LANG']->getLL('Everybody', TRUE) . '</th>
                    <th align="center">' . $GLOBALS['LANG']->getLL('EditLock', TRUE) . '</th>
                </tr>
            </thead>
        ';

        // Traverse tree:
        foreach ($tree->tree as $data) {
            $cells = array();
            $pageId = $data['row']['uid'];

            // Background colors:
            $bgCol = $this->lastEdited == $pageId ? ' class="bgColor-20"' : '';
            $lE_bgCol = $bgCol;

            // User/Group names:
            $userName = $beUserArray[$data['row']['perms_userid']] ?
                    $beUserArray[$data['row']['perms_userid']]['username'] :
                    ($data['row']['perms_userid'] ? $data['row']['perms_userid'] : '');

            if ($data['row']['perms_userid'] && !$beUserArray[$data['row']['perms_userid']]) {
                $userName = \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderOwnername($pageId, $data['row']['perms_userid'], htmlspecialchars(GeneralUtility::fixed_lgd_cs($userName, 20)), FALSE);
            } else {
                $userName = \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderOwnername($pageId, $data['row']['perms_userid'], htmlspecialchars(GeneralUtility::fixed_lgd_cs($userName, 20)));
            }

            $groupName = $beGroupArray[$data['row']['perms_groupid']] ?
                    $beGroupArray[$data['row']['perms_groupid']]['title'] :
                    ($data['row']['perms_groupid'] ? $data['row']['perms_groupid'] : '');

            if ($data['row']['perms_groupid'] && !$beGroupArray[$data['row']['perms_groupid']]) {
                $groupName = \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderGroupname($pageId, $data['row']['perms_groupid'], htmlspecialchars(GeneralUtility::fixed_lgd_cs($groupName, 20)), FALSE);
            } else {
                $groupName = \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderGroupname($pageId, $data['row']['perms_groupid'], htmlspecialchars(GeneralUtility::fixed_lgd_cs($groupName, 20)));
            }

            // Seeing if editing of permissions are allowed for that page:
            $editPermsAllowed = $data['row']['perms_userid'] == $GLOBALS['BE_USER']->user['uid'] || $GLOBALS['BE_USER']->isAdmin();

            // First column:
            $cellAttrib = $data['row']['_CSSCLASS'] ? ' class="' . $data['row']['_CSSCLASS'] . '"' : '';
            $cells[] = '<td align="left" nowrap="nowrap"' . ($cellAttrib ? $cellAttrib : $bgCol) . '>' .
                    $data['HTML'] . htmlspecialchars(GeneralUtility::fixed_lgd_cs($data['row']['title'], $tLen)) . '</td>';

            // "Edit permissions" -icon
            if ($editPermsAllowed && $pageId) {
                $aHref = BackendUtility::getModuleUrl('web_perm') . '&mode=' . $this->MOD_SETTINGS['mode'] . '&depth=' . $this->MOD_SETTINGS['depth'] . '&id=' . ($data['row']['_ORIG_uid'] ? $data['row']['_ORIG_uid'] : $pageId) . '&return_id=' . $this->id . '&edit=1';
                $cells[] = '<td' . $bgCol . '><a href="' . htmlspecialchars($aHref) . '" title="' . $GLOBALS['LANG']->getLL('ch_permissions', TRUE) . '">' .
                        IconUtility::getSpriteIcon('actions-document-open') . '</a></td>';
            } else {
                $cells[] = '<td' . $bgCol . '></td>';
            }

            $cells[] = '
                <td' . $bgCol . ' nowrap="nowrap">' . ($pageId ? \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderPermissions($data['row']['perms_user'], $pageId, 'user') . ' ' . $userName : '') . '</td>
                <td' . $bgCol . ' nowrap="nowrap">' . ($pageId ? \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderPermissions($data['row']['perms_group'], $pageId, 'group') . ' ' . $groupName : '') . '</td>
                <td' . $bgCol . ' nowrap="nowrap">' . ($pageId ? ' ' . \TYPO3\CMS\Perm\Controller\PermissionAjaxController::renderPermissions($data['row']['perms_everybody'], $pageId, 'everybody') : '') . '</td>
                <td' . $bgCol . ' nowrap="nowrap">' . ($data['row']['editlock'] ? '<span id="el_' . $pageId . '" class="editlock"><a class="editlock" onclick="WebPermissions.toggleEditLock(\'' . $pageId . '\', \'1\');" title="' . $GLOBALS['LANG']->getLL('EditLock_descr', TRUE) . '">' . IconUtility::getSpriteIcon('status-warning-lock') . '</a></span>' : ($pageId === 0 ? '' : '<span id="el_' . $pageId . '" class="editlock"><a class="editlock" onclick="WebPermissions.toggleEditLock(\'' . $pageId . '\', \'0\');" title="Enable the &raquo;Admin-only&laquo; edit lock for this page">[+]</a></span>')) . '</td>
            ';

            // Compile table row:
            $code .= '<tr>' . implode('', $cells) . '</tr>';
        }

        // Wrap rows in table tags:
        $code = '<table class="t3-table" id="typo3-permissionList">' . $code . '</table>';

        // Adding the content as a section:
        $this->content .= $this->doc->section('', $code);

        // CSH for permissions setting
        $this->content .= BackendUtility::cshItem('xMOD_csh_corebe', 'perm_module', $GLOBALS['BACK_PATH'], '<br />|');

        // Creating legend table:
        $legendText = '<strong>' . $GLOBALS['LANG']->getLL('1', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('1_t', TRUE);
        $legendText .= '<br /><strong>' . $GLOBALS['LANG']->getLL('16', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('16_t', TRUE);
        $legendText .= '<br /><strong>' . $GLOBALS['LANG']->getLL('2', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('2_t', TRUE);
        $legendText .= '<br /><strong>' . $GLOBALS['LANG']->getLL('4', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('4_t', TRUE);
        $legendText .= '<br /><strong>' . $GLOBALS['LANG']->getLL('8', TRUE) . '</strong>: ' . $GLOBALS['LANG']->getLL('8_t', TRUE);

        $code = '<div id="permission-information">
                    <img' . IconUtility::skinImg($GLOBALS['BACK_PATH'], 'gfx/legend.gif', 'width="86" height="75"') . ' alt="" />
                <div class="text">' . $legendText . '</div></div>';

        $code .= '<div id="perm-legend">' . $GLOBALS['LANG']->getLL('def', TRUE);
        $code .= '<br /><br />' . IconUtility::getSpriteIcon('status-status-permission-granted') . ': ' . $GLOBALS['LANG']->getLL('A_Granted', TRUE);
        $code .= '<br />' . IconUtility::getSpriteIcon('status-status-permission-denied') . ': ' . $GLOBALS['LANG']->getLL('A_Denied', TRUE);
        $code .= '</div>';

        // Adding section with legend code:
        $this->content .= $this->doc->section($GLOBALS['LANG']->getLL('Legend') . ':', $code, TRUE, TRUE);
    }

    /*****************************
     *
     * Helper functions
     *
     *****************************/
    public function printCheckBox($checkName, $num) {
        $onclick = 'checkChange(\'check[' . $checkName . ']\', \'data[pages][' . $GLOBALS['SOBE']->id . '][' . $checkName . ']\')';
        return '<input type="checkbox" name="check[' . $checkName . '][' . $num . ']" onclick="' . htmlspecialchars($onclick) . '" /><br />';
    }

    public function getRecursiveSelect($id, $perms_clause) {
        // Initialize tree object:
        $tree = GeneralUtility::makeInstance('TYPO3\\CMS\\Backend\\Tree\\View\\PageTreeView');
        $tree->init('AND ' . $perms_clause);
        $tree->addField('perms_userid', 1);
        $tree->makeHTML = 0;
        $tree->setRecs = 1;
        // Make tree:
        $tree->getTree($id, $this->getLevels, '');
        // If there are a hierarchy of page ids, then...
        if ($GLOBALS['BE_USER']->user['uid'] && count($tree->orig_ids_hierarchy)) {
            // Init:
            $label_recur = $GLOBALS['LANG']->getLL('recursive');
            $label_levels = $GLOBALS['LANG']->getLL('levels');
            $label_pA = $GLOBALS['LANG']->getLL('pages_affected');
            $theIdListArr = array();
            $opts = '
                        <option value=""></option>';
            // Traverse the number of levels we want to allow recursive setting of permissions for:
            for ($a = $this->getLevels; $a > 0; $a--) {
                if (is_array($tree->orig_ids_hierarchy[$a])) {
                    foreach ($tree->orig_ids_hierarchy[$a] as $theId) {
                        if ($GLOBALS['BE_USER']->isAdmin() || $GLOBALS['BE_USER']->user['uid'] == $tree->recs[$theId]['perms_userid']) {
                            $theIdListArr[] = $theId;
                        }
                    }
                    $lKey = $this->getLevels - $a + 1;
                    $opts .= '
                        <option value="' . htmlspecialchars(implode(',', $theIdListArr)) . '">' . htmlspecialchars($label_recur . ' ' . $lKey . ' ' . $label_levels, ENT_COMPAT, 'UTF-8', FALSE) . ' (' . count($theIdListArr) . ' ' . $label_pA . ')' . '</option>';
                }
            }
            // Put the selector box together:
            $theRecursiveSelect = '<br />
                    <select name="mirror[pages][' . $id . ']">
                        ' . $opts . '
                    </select>
                <br /><br />';
        } else {
            $theRecursiveSelect = '';
        }
        // Return selector box element:
        return $theRecursiveSelect;
    }

}