class.ilSystemStyleMainGUI.php

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<?php
include_once("Services/Object/exceptions/class.ilObjectException.php");

/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilSystemStyleMainGUI
{
        protected $ctrl;

        protected $lng;


        protected $DIC;

        protected $tabs;


        protected $rbacsystem;

        protected $ref_id;

        protected $tpl;

        function __construct()
        {
                global $DIC;

                $this->ctrl = $DIC->ctrl();
                $this->lng = $DIC->language();
                $this->tabs = $DIC->tabs();
                $this->rbacsystem = $DIC->rbac()->system();
                $this->tpl = $DIC["tpl"];

                $this->ref_id = (int) $_GET["ref_id"];
        }


        function executeCommand()
        {
                $next_class = $this->ctrl->getNextClass($this);

                $this->ctrl->setParameterByClass('ilsystemstylesettingsgui','skin_id',$_GET["skin_id"]);
                $this->ctrl->setParameterByClass('ilsystemstylesettingsgui','style_id',$_GET["style_id"]);
                $this->ctrl->setParameterByClass('ilsystemstylelessgui','skin_id',$_GET["skin_id"]);
                $this->ctrl->setParameterByClass('ilsystemstylelessgui','style_id',$_GET["style_id"]);
                $this->ctrl->setParameterByClass('ilsystemstyleiconsgui','skin_id',$_GET["skin_id"]);
                $this->ctrl->setParameterByClass('ilsystemstyleiconsgui','style_id',$_GET["style_id"]);
                $this->ctrl->setParameterByClass('ilsystemstyledocumentationgui','skin_id',$_GET["skin_id"]);
                $this->ctrl->setParameterByClass('ilsystemstyledocumentationgui','style_id',$_GET["style_id"]);

                try{
                        switch ($next_class)
                        {

                                case "ilsystemstylesettingsgui":
                                        $this->checkPermission("sty_management");
                                        $this->setUnderworldTabs('settings');
                                        $this->setUnderworldTitle();
                                        include_once("Settings/class.ilSystemStyleSettingsGUI.php");
                                        $system_styles_settings = new ilSystemStyleSettingsGUI();
                                        $this->ctrl->forwardCommand($system_styles_settings);
                                        break;
                                case "ilsystemstylelessgui":
                                        $this->checkPermission("sty_management");
                                        $this->setUnderworldTabs('less');
                                        $this->setUnderworldTitle();
                                        include_once("Less/class.ilSystemStyleLessGUI.php");
                                        $system_styles_less = new ilSystemStyleLessGUI();
                                        $this->ctrl->forwardCommand($system_styles_less);
                                        break;
                                case "ilsystemstyleiconsgui":
                                        $this->checkPermission("sty_management");
                                        $this->setUnderworldTabs('icons');
                                        $this->setUnderworldTitle();
                                        include_once("Icons/class.ilSystemStyleIconsGUI.php");
                                        $system_styles_icons = new ilSystemStyleIconsGUI();
                                        $this->ctrl->forwardCommand($system_styles_icons);
                                        break;
                                case "ilsystemstyledocumentationgui":
                                        $this->checkPermission("sty_management");
                                        $this->setUnderworldTabs('documentation');
                                        $this->setUnderworldTitle();
                                        include_once("Documentation/class.ilSystemStyleDocumentationGUI.php");
                                        $system_styles_documentation = new ilSystemStyleDocumentationGUI();
                                        $this->ctrl->forwardCommand($system_styles_documentation);
                                        break;
                                case "ilsystemstyleoverviewgui":
                                default:
                                        $this->checkPermission("visible,read");
                                        include_once("Overview/class.ilSystemStyleOverviewGUI.php");
                                        $system_styles_overview = new ilSystemStyleOverviewGUI(!$this->checkPermission("sty_write_system",false)
                                                        ,$this->checkPermission("sty_management",false));
                                        $this->ctrl->forwardCommand($system_styles_overview);
                                        break;
                        }
                }catch(ilObjectException $e){
                        ilUtil::sendFailure($e->getMessage());
                        $this->checkPermission("visible,read");
                        include_once("Overview/class.ilSystemStyleOverviewGUI.php");
                        $this->ctrl->setCmd("");
                        $system_styles_overview = new ilSystemStyleOverviewGUI(!$this->checkPermission("sty_write_system",false),$this->checkPermission("sty_management",false));
                        $this->ctrl->forwardCommand($system_styles_overview);
                }
        }

        public function checkPermission($a_perm, $a_throw_exc = true)
        {
                global $ilIliasIniFile;

                $has_perm = true;

                $config = new ilSystemStyleConfig();
                if($a_perm == "sty_management"){
                        $has_perm = $ilIliasIniFile->readVariable("tools","enable_system_styles_management")== "1" ? true:false;
                        $a_perm = "sty_write_system";
                        if($has_perm && ! is_writable($config->getCustomizingSkinPath())){
                                ilUtil::sendFailure($this->lng->txt("enable_system_styles_management_no_write_perm"));
                                $has_perm = false;
                        }
                }

                if($has_perm){
                        $has_perm = $this->rbacsystem->checkAccess($a_perm, $this->ref_id);
                }

                if (!$has_perm)
                {
                        if ($a_throw_exc)
                        {
                                include_once "Services/Object/exceptions/class.ilObjectException.php";
                                throw new ilObjectException($this->lng->txt("sty_permission_denied"));
                        }
                        return false;
                }
                return $has_perm;
        }

        protected function setUnderworldTabs($active = "") {
                $this->tabs->clearTargets();

                $this->tabs->setBackTarget($this->lng->txt("back"),$this->ctrl->getLinkTarget($this));
                $this->tabs->addTab('settings', $this->lng->txt('settings'), $this->ctrl->getLinkTargetByClass('ilsystemstylesettingsgui'));
                $this->tabs->addTab('less', $this->lng->txt('less'), $this->ctrl->getLinkTargetByClass('ilsystemstylelessgui'));
                $this->tabs->addTab('icons', $this->lng->txt('icons'), $this->ctrl->getLinkTargetByClass('ilsystemstyleiconsgui'));
                $this->tabs->addTab('documentation', $this->lng->txt('documentation'), $this->ctrl->getLinkTargetByClass('ilsystemstyledocumentationgui'));

                $this->tabs->activateTab($active);
        }


        protected function setUnderworldTitle() {
                $skin_id = $_GET["skin_id"];
                $style_id = $_GET["style_id"];

                $skin = ilSystemStyleSkinContainer::generateFromId($skin_id)->getSkin();
                $style = $skin->getStyle($style_id);

                $this->tpl->setTitle($style->getName());
                if($style->isSubstyle()){
                        $this->tpl->setDescription($this->lng->txt("settings_of_substyle")." '".$style->getName()."' ".
                                        $this->lng->txt("of_parent")." '".$skin->getStyle($style->getSubstyleOf())->getName()."' ".
                                        $this->lng->txt("from_skin")." ".$skin->getName()
                        );
                }else{
                        $this->tpl->setDescription($this->lng->txt("settings_of_style")." '".$style->getName()."' ".
                                        $this->lng->txt("from_skin")." '".$skin->getName()."'"
                        );
                }
        }
}