class.ilObjQuestionPoolSettingsGeneralGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilObjQuestionPoolSettingsGeneralGUI
{
        const CMD_SHOW_FORM                             = 'showForm';
        const CMD_SAVE_FORM                             = 'saveForm';
        
        protected $ctrl = null;
        
        protected $access = null;
        
        protected $lng = null;
        
        protected $tpl = null;
        
        protected $tabs = null;
        
        protected $poolGUI = null;
        
        protected $poolOBJ = null;
        
        public function __construct(ilCtrl $ctrl, ilAccessHandler $access, ilLanguage $lng, ilTemplate $tpl, ilTabsGUI $tabs, ilObjQuestionPoolGUI $poolGUI)
        {
                $this->ctrl = $ctrl;
                $this->access = $access;
                $this->lng = $lng;
                $this->tpl = $tpl;
                $this->tabs = $tabs;
                
                $this->poolGUI = $poolGUI;
                $this->poolOBJ = $poolGUI->object;
        }
        
        public function executeCommand()
        {
                // allow only write access
                
                if (!$this->access->checkAccess('write', '', $this->poolGUI->ref_id)) 
                {
                        ilUtil::sendInfo($this->lng->txt('cannot_edit_question_pool'), true);
                        $this->ctrl->redirectByClass('ilObjQuestionPoolGUI', 'infoScreen');
                }
                
                // activate corresponding tab (auto activation does not work in ilObjTestGUI-Tabs-Salad)
                
                $this->tabs->activateTab('settings');
                
                // process command
                
                $nextClass = $this->ctrl->getNextClass();
                
                switch($nextClass)
                {
                        default:
                                $cmd = $this->ctrl->getCmd(self::CMD_SHOW_FORM).'Cmd';
                                $this->$cmd();
                }
        }
 
        private function showFormCmd(ilPropertyFormGUI $form = null)
        {
                if( $form === null )
                {
                        $form = $this->buildForm();
                }
                
                $this->tpl->setContent( $this->ctrl->getHTML($form) );
        }
        
        private function saveFormCmd()
        {
                $form = $this->buildForm();
                
                // form validation and initialisation
                
                $errors = !$form->checkInput(); // ALWAYS CALL BEFORE setValuesByPost()
                $form->setValuesByPost(); // NEVER CALL THIS BEFORE checkInput()
 
                // return to form when any form validation errors exist
                
                if($errors)
                {
                        ilUtil::sendFailure($this->lng->txt('form_input_not_valid'));
                        return $this->showFormCmd($form);
                }
                
                // perform saving the form data
                
                $this->performSaveForm($form);
                
                // redirect to form output
                
                ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
                $this->ctrl->redirect($this, self::CMD_SHOW_FORM);
        }
 
        private function performSaveForm(ilPropertyFormGUI $form)
        {
                $online = $form->getItemByPostVar('online');
                $this->poolOBJ->setOnline($online->getChecked());
 
                $showTax = $form->getItemByPostVar('show_taxonomies');
                $this->poolOBJ->setShowTaxonomies($showTax->getChecked());
                
                $navTax = $form->getItemByPostVar('nav_taxonomy');
                $this->poolOBJ->setNavTaxonomyId($navTax->getValue());
 
                $this->poolOBJ->saveToDb();
        }
        
        private function buildForm()
        {
                require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                $form = new ilPropertyFormGUI();
                
                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->addCommandButton(self::CMD_SAVE_FORM, $this->lng->txt('save'));
                
                $form->setTitle($this->lng->txt('qpl_form_general_settings'));
                $form->setId('properties');
                
                // online
                
                $online = new ilCheckboxInputGUI($this->lng->txt('qpl_settings_general_form_property_online'), 'online');
                $online->setInfo($this->lng->txt('qpl_settings_general_form_property_online_description'));
                $online->setChecked($this->poolOBJ->getOnline());
                $form->addItem($online);
                
                // show taxonomies
                
                $showTax = new ilCheckboxInputGUI($this->lng->txt('qpl_settings_general_form_property_show_taxonomies'), 'show_taxonomies');
                $showTax->setInfo($this->lng->txt('qpl_settings_general_form_prop_show_tax_desc'));
                $showTax->setChecked($this->poolOBJ->getShowTaxonomies());
                $form->addItem($showTax);
        
                $taxSelectOptions = $this->getTaxonomySelectInputOptions();
        
                // pool navigation taxonomy
 
                        $navTax = new ilSelectInputGUI($this->lng->txt('qpl_settings_general_form_property_nav_taxonomy'), 'nav_taxonomy');
                        $navTax->setInfo($this->lng->txt('qpl_settings_general_form_property_nav_taxonomy_description'));
                        $navTax->setValue($this->poolOBJ->getNavTaxonomyId());
                        $navTax->setOptions($taxSelectOptions);
                $showTax->addSubItem($navTax);
                
                return $form;
        }
        
        private function getTaxonomySelectInputOptions()
        {
                $taxSelectOptions = array(
                        '0' => $this->lng->txt('qpl_settings_general_form_property_opt_notax_selected')
                );
                
                foreach($this->poolOBJ->getTaxonomyIds() as $taxId)
                {
                        $taxSelectOptions[$taxId] = ilObject::_lookupTitle($taxId);
                }
                
                return $taxSelectOptions;
        }
}