class.ilPCPlaceHolderGUI.php

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<?php

/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once("./Services/COPage/classes/class.ilPCPlaceHolder.php");
require_once("./Services/COPage/classes/class.ilPageContentGUI.php");

class ilPCPlaceHolderGUI extends ilPageContentGUI
{       
        public $pg_obj;
        public $content_obj;
        public $hier_id;
        public $pc_id;
        protected $styleid;
        
        const TYPE_TEXT = "Text";
        const TYPE_QUESTION = "Question";
        const TYPE_MEDIA = "Media";
        const TYPE_VERIFICATION = "Verification";
        
        public function __construct($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id = "")
        {
                $this->pg_obj = $a_pg_obj;
                $this->content_obj = $a_content_obj;
                $this->hier_id = $a_hier_id;
                $this->pc_id = $a_pc_id;
                
                parent::__construct($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id);
        }
                
        public function executeCommand()
        {               
                // get next class that processes or forwards current command
                $next_class = $this->ctrl->getNextClass($this);
                // get current command
                $cmd = $this->ctrl->getCmd();

                switch($next_class)
                {
                        case 'ilpcmediaobjectgui':  //special handling
                                include_once("./Services/COPage/classes/class.ilPCMediaObjectGUI.php");
                                $media_gui = new ilPCMediaObjectGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $ret = $this->ctrl->forwardCommand($media_gui);         
                                break;
                                
                        default:
                                $ret = $this->$cmd();
                                break;
                }               
                
                return $ret;
        }       
        
        protected function insert() 
        {
                $this->propertyGUI("create", self::TYPE_TEXT, "100px", "insert");
        }       
        
        protected function create()
        {
                if ($_POST["plach_height"]=="" || 
                        !preg_match("/[0-9]+/",$_POST["plach_height"])) 
                {
                        return $this->insert();
                }
                
                $this->content_obj = new ilPCPlaceHolder($this->getPage());
                $this->content_obj->create($this->pg_obj, $this->hier_id, $this->pc_id);
                $this->content_obj->setHeight($_POST["plach_height"]."px");
                $this->content_obj->setContentClass($_POST['plach_type']);
                $this->updated = $this->pg_obj->update();               
                if ($this->updated === true)
                {
                        $this->ctrl->returnToParent($this, "jump".$this->hier_id);
                }
                else
                {       
                        $this->insert();
                }
        }
        
        public function edit()
        {                               
                if($this->getPageConfig()->getEnablePCType("PlaceHolder"))
                {
                        $this->edit_object();
                } 
                else 
                {
                        $this->forward_edit();
                }
        }
        
        public function setStyleId($a_styleid)
        {
                $this->styleid = $a_styleid;
        }

        public function getStyleId()
        {
                return $this->styleid;
        }

        protected function edit_object() 
        {
                $this->propertyGUI("saveProperties",
                        $this->content_obj->getContentClass(),
                        $this->content_obj->getHeight(),
                        "save");
        }
                
        protected function forward_edit() 
        {               
                switch ($this->content_obj->getContentClass()) 
                {
                        case self::TYPE_MEDIA:
                                include_once("./Services/COPage/classes/class.ilPCMediaObjectGUI.php");
                                $this->ctrl->setCmdClass("ilpcmediaobjectgui");
                                $this->ctrl->setCmd("insert");
                                $media_gui = new ilPCMediaObjectGUI($this->pg_obj, null);
                                $this->ctrl->forwardCommand($media_gui);    
                                break;
                        
                        case self::TYPE_TEXT:
                                $this->textCOSelectionGUI();
                                break;
                        
                        case self::TYPE_QUESTION:
                                include_once("./Services/COPage/classes/class.ilPCQuestionGUI.php");
                                $this->ctrl->setCmdClass("ilpcquestiongui");
                                $this->ctrl->setCmd("insert");
                                $question_gui = new ilPCQuestionGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $question_gui->setSelfAssessmentMode(true);
                                $this->ctrl->forwardCommand($question_gui);
                                break;  
                        
                        case self::TYPE_VERIFICATION:
                                include_once("./Services/COPage/classes/class.ilPCVerificationGUI.php");
                                $this->ctrl->setCmdClass("ilpcverificationgui");
                                $this->ctrl->setCmd("insert");
                                $cert_gui = new ilPCVerificationGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $this->ctrl->forwardCommand($cert_gui);
                                break;  
                        
                        default:
                                break;
                }
        }
        
        
        protected function saveProperties()
        {               
                if ($_POST["plach_height"]=="" || 
                        !preg_match("/[0-9]+/",$_POST["plach_height"])) {
                        return $this->edit_object();
                }
                        
                $this->content_obj->setContentClass($_POST['plach_type']);
                $this->content_obj->setHeight($_POST["plach_height"]."px");
                
                $this->updated = $this->pg_obj->update();
                if ($this->updated === true)
                {
                        $this->ctrl->returnToParent($this, "jump".$this->hier_id);
                }
                else
                {
                        $this->pg_obj->addHierIDs();
                        $this->edit();
                }
        }
        
        protected function propertyGUI($a_action,$a_type,$a_height,$a_mode) 
        {
                global $lng;
                
                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form_gui = new ilPropertyFormGUI();
                $this->form_gui->setFormAction($this->ctrl->getFormAction($this));
                $this->form_gui->setTitle($lng->txt("cont_ed_plachprop"));

                $ttype_input = new ilRadioGroupInputGUI($lng->txt("type"), "plach_type");       
                $type_captions = $this->getTypeCaptions();
                foreach($this->getAvailableTypes($a_type) as $type)
                {
                        $ttype_input->addOption(new ilRadioOption($type_captions[$type], $type));
                }               
                $ttype_input->setRequired(true);
                $this->form_gui->addItem($ttype_input);
                
                $theight_input = new ilTextInputGUI($lng->txt("height"),"plach_height");
                $theight_input->setSize(4);
                $theight_input->setMaxLength(3);                                
                $theight_input->setTitle($lng->txt("height")." (px)");
                $theight_input->setRequired(true);                                      
                $this->form_gui->addItem($theight_input);
                
                $theight_input->setValue(preg_replace("/px/","",$a_height));
                $ttype_input->setValue($a_type);                                
                
                $this->form_gui->addCommandButton($a_action, $lng->txt($a_mode));
                $this->form_gui->addCommandButton("cancelCreate", $lng->txt("cancel"));
                $this->tpl->setContent($this->form_gui->getHTML());
        }
        
        protected function textCOSelectionGUI() 
        {               
                global $lng;
        
                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form_gui = new ilPropertyFormGUI();
                $this->form_gui->setFormAction($this->ctrl->getFormAction($this));
                $this->form_gui->setTitle($lng->txt("cont_ed_select_pctext"));

                // Select Question Type
                $ttype_input = new ilRadioGroupInputGUI($lng->txt("cont_ed_textitem"), "pctext_type");          
                $ttype_input->addOption(new ilRadioOption($lng->txt("cont_ed_par"), 0));
                $ttype_input->addOption(new ilRadioOption($lng->txt("cont_ed_dtable"), 1));
                $ttype_input->addOption(new ilRadioOption($lng->txt("cont_ed_atable"), 2));
                $ttype_input->addOption(new ilRadioOption($lng->txt("cont_ed_list"), 3));
                $ttype_input->addOption(new ilRadioOption($lng->txt("cont_ed_flist"), 4));
                $ttype_input->addOption(new ilRadioOption($lng->txt("cont_tabs"), 5));
                $this->form_gui->addItem($ttype_input);
                
                $this->form_gui->addCommandButton("insertPCText", $lng->txt("insert"));
                $this->form_gui->addCommandButton("cancelCreate", $lng->txt("cancel"));
                $this->tpl->setContent($this->form_gui->getHTML());
        }
        
        protected function insertPCText() 
        {                               
                switch ($_POST['pctext_type']) 
                {                       
                        case 0:  //Paragraph / Text
                                
                                // js editing? -> redirect to js page editor
                                // if ($ilSetting->get("enable_js_edit", 1) && ilPageEditorGUI::_doJSEditing())
                                if (ilPageEditorGUI::_doJSEditing())
                                {
                                        $ret_class = $this->ctrl->getReturnClass($this);
                                        $this->ctrl->setParameterByClass($ret_class, "pl_hier_id", $this->hier_id);
                                        $this->ctrl->setParameterByClass($ret_class, "pl_pc_id", $this->pc_id);
                                        $this->ctrl->redirectByClass($ret_class,
                                                "insertJSAtPlaceholder");
                                }

                                include_once("./Services/COPage/classes/class.ilPCParagraphGUI.php");
                                $this->ctrl->setCmdClass("ilpcparagraphgui");
                                $this->ctrl->setCmd("insert");
                                $paragraph_gui = new ilPCParagraphGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $paragraph_gui->setStyleId($this->getStyleId());
                                $paragraph_gui->setPageConfig($this->getPageConfig());
                                $this->ctrl->forwardCommand($paragraph_gui);
                                break;
                                
                        case 1:  //DataTable
                                include_once("./Services/COPage/classes/class.ilPCDataTableGUI.php");
                                $this->ctrl->setCmdClass("ilpcdatatablegui");
                                $this->ctrl->setCmd("insert");
                                $dtable_gui = new ilPCDataTableGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $this->ctrl->forwardCommand($dtable_gui);
                                break;
                                
                        case 2:  //Advanced Table
                                include_once("./Services/COPage/classes/class.ilPCTableGUI.php");
                                $this->ctrl->setCmdClass("ilpctablegui");
                                $this->ctrl->setCmd("insert");
                                $atable_gui = new ilPCTableGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $this->ctrl->forwardCommand($atable_gui);
                                break;
                                
                        case 3:  //Advanced List
                                include_once("./Services/COPage/classes/class.ilPCListGUI.php");
                                $this->ctrl->setCmdClass("ilpclistgui");
                                $this->ctrl->setCmd("insert");
                                $list_gui = new ilPCListGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $this->ctrl->forwardCommand($list_gui);
                                break;
                                
                        case 4:  //File List
                                include_once ("./Services/COPage/classes/class.ilPCFileListGUI.php");
                                $this->ctrl->setCmdClass("ilpcfilelistgui");
                                $this->ctrl->setCmd("insert");
                                $file_list_gui = new ilPCFileListGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $file_list_gui->setStyleId($this->getStyleId());
                                $this->ctrl->forwardCommand($file_list_gui);
                                break;
                                
                        case 5:  //Tabs
                                include_once ("./Services/COPage/classes/class.ilPCTabsGUI.php");
                                $this->ctrl->setCmdClass("ilpctabsgui");
                                $this->ctrl->setCmd("insert");
                                $tabs_gui = new ilPCTabsGUI($this->pg_obj, $this->content_obj, $this->hier_id, $this->pc_id);
                                $tabs_gui->setStyleId($this->getStyleId());
                                $this->ctrl->forwardCommand($tabs_gui);
                                break;
                                
                        default:
                                break;
                }
        }
        
        public function cancel()
        { 
                $this->ctrl->returnToParent($this, "jump".$this->hier_id);
        }
                
        protected function getAvailableTypes($a_selected_type = "")
        {
                // custom config?       
                if(method_exists($this->getPageConfig(), "getAvailablePlaceholderTypes"))
                {
                        $types = $this->getPageConfig()->getAvailablePlaceholderTypes();
                }
                else
                {
                        $types = array(self::TYPE_TEXT, self::TYPE_MEDIA, self::TYPE_QUESTION);
                }

                include_once("./Services/Certificate/classes/class.ilCertificate.php");
                if (!ilCertificate::isActive())
                {
                        // we remove type verification if certificates are deactivated and this
                        // is not the currently selected value
                        if (($key = array_search(self::TYPE_VERIFICATION, $types)) !== false &&
                                self::TYPE_VERIFICATION != $a_selected_type)
                        {
                                unset($types[$key]);
                        }
                }
                return $types;
        }
        
        protected function getTypeCaptions()
        {
                global $lng;
                
                return array(
                                self::TYPE_TEXT => $lng->txt("cont_ed_plachtext"), 
                                self::TYPE_MEDIA => $lng->txt("cont_ed_plachmedia"), 
                                self::TYPE_QUESTION => $lng->txt("cont_ed_plachquestion"),
                                self::TYPE_VERIFICATION => $lng->txt("cont_ed_plachverification")
                        );
        }
}