class.ilAdministrationSettingsFormHandler.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilAdministrationSettingsFormHandler
{
    protected static $OBJ_MAP;
    
    const FORM_PRIVACY = 1;
    const FORM_SECURITY = 2;
    const FORM_FILES_QUOTA = 3;
    const FORM_LP = 4;
    const FORM_MAIL = 5;
    const FORM_COURSE = 6;
    const FORM_GROUP = 7;
    const FORM_REPOSITORY = 8;
    const FORM_LDAP = 9;
    const FORM_FORUM = 10;
    const FORM_ACCESSIBILITY = 11;
    const FORM_WSP = 12;
    const FORM_TAGGING = 13;
    const FORM_CERTIFICATE = 14;
    const FORM_META_COPYRIGHT = 15;


    const SETTINGS_USER = "usrf";
    const SETTINGS_GENERAL = "adm";
    const SETTINGS_FILE = "facs";
    const SETTINGS_ROLE = "rolf";
    const SETTINGS_FORUM = "frma";
    const SETTINGS_LRES = "lrss";
    const SETTINGS_REPOSITORY = "reps";
    const SETTINGS_PR = "prss";
    const SETTINGS_COURSE = "crss";
    const SETTINGS_GROUP = "grps";
    const SETTINGS_PRIVACY_SECURITY = "ps";
    const SETTINGS_CALENDAR = "cals";
    const SETTINGS_AUTH = "auth";
    const SETTINGS_WIKI = "wiks";
    const SETTINGS_PORTFOLIO = "prfa";
    const SETTINGS_LP_COMPLETION_STATUS = "trac";
    const SETTINGS_LEARNINGSEQUENCE = "lsos";

    const VALUE_BOOL = "bool";
    
    protected static function initObjectMap()
    {
        global $DIC;

        $tree = $DIC->repositoryTree();
        
        $map = array("adm" => SYSTEM_FOLDER_ID);
        foreach ($tree->getChilds(SYSTEM_FOLDER_ID) as $obj) {
            $map[$obj["type"]] = $obj["ref_id"];
        }
        
        self::$OBJ_MAP = $map;
    }

    protected static function getRefId($a_obj_type)
    {
        if (!is_array(self::$OBJ_MAP)) {
            self::initObjectMap();
        }
        return self::$OBJ_MAP[$a_obj_type];
    }
    
    public static function getSettingsGUIInstance($a_settings_obj_type)
    {
        global $DIC;

        $objDefinition = $DIC["objDefinition"];
        $ilCtrl = $DIC->ctrl();
        
        $ref_id = self::getRefId($a_settings_obj_type);
        $obj_type = ilObject::_lookupType($ref_id, true);
        
        $class_name = $objDefinition->getClassName($obj_type);
        $class_name = "ilObj" . $class_name . "GUI";
        $class_path = $ilCtrl->lookupClassPath($class_name);
        
        if (is_subclass_of($class_name, "ilObject2GUI")) {
            $gui_obj = new $class_name($ref_id, ilObject2GUI::REPOSITORY_NODE_ID);
        } else {
            $gui_obj = new $class_name("", $ref_id, true, false);
        }

        $gui_obj->setCreationMode(true);
        
        return $gui_obj;
    }
    
    public static function addFieldsToForm($a_form_id, ilPropertyFormGUI $a_form, ilObjectGUI $a_parent_gui)
    {
        switch ($a_form_id) {
            case self::FORM_SECURITY:
                $types = array(self::SETTINGS_GENERAL, self::SETTINGS_USER, self::SETTINGS_FILE, self::SETTINGS_ROLE);
                break;
            
            case self::FORM_PRIVACY:
                $types = array(self::SETTINGS_ROLE, self::SETTINGS_FORUM, self::SETTINGS_LRES);
                break;
            
            case self::FORM_FILES_QUOTA:
                $types = array(self::SETTINGS_PR);
                break;
            
            case self::FORM_LP:
                $types = array(self::SETTINGS_REPOSITORY);
                break;
            
            case self::FORM_ACCESSIBILITY:
                $types = array(self::SETTINGS_FORUM, self::SETTINGS_AUTH, self::SETTINGS_WIKI);
                break;
                
            case self::FORM_MAIL:
                $types = array(self::SETTINGS_COURSE, self::SETTINGS_GROUP, self::SETTINGS_LEARNINGSEQUENCE);
                break;
            
            case self::FORM_COURSE:
            case self::FORM_GROUP:
                $types = array(self::SETTINGS_PRIVACY_SECURITY, self::SETTINGS_CALENDAR, self::SETTINGS_GENERAL);
                break;
            
            case self::FORM_WSP:
                $types = array(self::SETTINGS_PORTFOLIO);
                break;
            
            case self::FORM_TAGGING:
                $types = array(self::SETTINGS_REPOSITORY);
                break;

            case self::FORM_CERTIFICATE:
                $types = array(self::SETTINGS_LP_COMPLETION_STATUS);
                break;
            
            default:
                $types = null;
                break;
        }

        if (is_array($types)) {
            foreach ($types as $type) {
                $gui = self::getSettingsGUIInstance($type);
                if ($gui && method_exists($gui, "addToExternalSettingsForm")) {
                    $data = $gui->addToExternalSettingsForm($a_form_id);
                    if (is_array($data)) {
                        self::parseFieldDefinition($type, $a_form, $gui, $data);
                    }
                }
            }
        }
        
        // cron jobs - special handling
                
        include_once "Modules/SystemFolder/classes/class.ilObjSystemFolderGUI.php";
        $parent_gui = new ilObjSystemFolderGUI(null, SYSTEM_FOLDER_ID, true);
        $parent_gui->setCreationMode(true);
        
        include_once "Services/Cron/classes/class.ilCronManagerGUI.php";
        $gui = new ilCronManagerGUI();
        $data = $gui->addToExternalSettingsForm($a_form_id);
        if (is_array($data) && sizeof($data)) {
            self::parseFieldDefinition("cron", $a_form, $parent_gui, $data);
        }
    }
    
    protected static function parseFieldValue($a_field_type, &$a_field_value)
    {
        global $DIC;

        $lng = $DIC->language();
        
        switch ($a_field_type) {
            case self::VALUE_BOOL:
                $a_field_value = (bool) $a_field_value ?
                    $lng->txt("enabled") :
                    $lng->txt("disabled");
                return $a_field_value;
        }

        if (!is_numeric($a_field_value) &&
            $a_field_value !== null && !trim($a_field_value)) {
            $a_field_value = "-";
        }

        if (is_numeric($a_field_value) || $a_field_value !== "") {
            return true;
        }
        return false;
    }
    
    protected static function parseFieldDefinition($a_type, ilPropertyFormGUI $a_form, ilObjectGUI $a_gui, $a_data)
    {
        global $DIC;

        $lng = $DIC->language();
        $rbacsystem = $DIC->rbac()->system();
        $ilCtrl = $DIC->ctrl();
        $ilAccess = $DIC->access();
        
        if (!is_array($a_data)) {
            return;
        }
        
        // write permission for current gui?
        $has_write = $ilAccess->checkAccess("write", "", (int) $_REQUEST["ref_id"]);

        foreach ($a_data as $area_caption => $fields) {
            if (is_numeric($area_caption) || !trim($area_caption)) {
                $area_caption = "obj_" . $a_type;
            }

            if (is_array($fields) && sizeof($fields) == 2) {
                $cmd = $fields[0];
                $fields = $fields[1];
                if (is_array($fields)) {
                    $ftpl = new ilTemplate("tpl.external_settings.html", true, true, "Services/Administration");

                        
                    $stack = array();
                    foreach ($fields as $field_caption_id => $field_value) {
                        $field_type = $subitems = null;
                        if (is_array($field_value)) {
                            $field_type = $field_value[1];
                            $subitems = $field_value[2];
                            $field_value = $field_value[0];
                        }
                                    
                        if (self::parseFieldValue($field_type, $field_value)) {
                            $ftpl->setCurrentBlock("value_bl");
                            $ftpl->setVariable("VALUE", $field_value);
                            $ftpl->parseCurrentBlock();
                        }
                                                                                                                            
                        if (is_array($subitems)) {
                            $ftpl->setCurrentBlock("subitem_bl");
                            foreach ($subitems as $sub_caption_id => $sub_value) {
                                $sub_type = null;
                                if (is_array($sub_value)) {
                                    $sub_type = $sub_value[1];
                                    $sub_value = $sub_value[0];
                                }
                                self::parseFieldValue($sub_type, $sub_value);
                                
                                $ftpl->setVariable("SUBKEY", $lng->txt($sub_caption_id));
                                $ftpl->setVariable("SUBVALUE", $sub_value);
                                $ftpl->parseCurrentBlock();
                            }
                        }
                        
                        $ftpl->setCurrentBlock("row_bl");
                        $ftpl->setVariable("KEY", $lng->txt($field_caption_id));
                        $ftpl->parseCurrentBlock();
                    }

                    if ($has_write &&
                        $rbacsystem->checkAccess("visible,read", $a_gui->object->getRefId())) {
                        if (!$cmd) {
                            $cmd = "view";
                        }
                        $ilCtrl->setParameter($a_gui, "ref_id", $a_gui->object->getRefId());

                        $ftpl->setCurrentBlock("edit_bl");
                        $ftpl->setVariable("URL_EDIT", $ilCtrl->getLinkTargetByClass(array("ilAdministrationGUI", get_class($a_gui)), $cmd));
                        $ftpl->setVariable("TXT_EDIT", $lng->txt("adm_external_setting_edit"));
                        $ftpl->parseCurrentBlock();
                    }

                    $ext = new ilCustomInputGUI($lng->txt($area_caption));
                    $ext->setHtml($ftpl->get());
                    $a_form->addItem($ext);
                }
            }
        }
    }
}