class.ilAsyncOutputHandler.php

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<?php
require_once("./Services/UICore/classes/class.ilTemplate.php");

class ilAsyncOutputHandler {
        const OUTPUT_MODAL = "output_modal";
        const OUTPUT_EMPTY = "output_empty";

        protected $content;

        protected $heading;

        protected $window_properties;

        public function __construct($content = null, $heading = null, $windows_properties = array()) {
                $this->content = $content;
                $this->heading = $heading;

                $this->window_properties = $windows_properties;
        }


        public function terminate($type = self::OUTPUT_MODAL) {
                if($type == self::OUTPUT_MODAL) {
                        $tpl = new ilTemplate('tpl.modal_content.html', false, false, 'Modules/StudyProgramme');
                        $tpl->setVariable('HEADING', $this->getHeading());
                        $tpl->setVariable('BODY', $this->getContent());

                        //TODO: implement window properties
                        /*foreach($this->window_properties as $key => $value) {
                                if($value) {
                                        $tpl->activeBlock($key);
                                } else {
                                        $tpl->removeBlockData($key);
                                }
                        }*/

                        echo $tpl->get();
                        exit();

                } else if($type == self::OUTPUT_EMPTY) {

                        echo $this->getContent();
                        exit();
                }
        }


        public static function encodeAsyncResponse(array $data = array()) {
                global $ilCtrl;

                $data['cmd'] = $ilCtrl->getCmd();

                return json_encode($data);
        }


        public static function handleAsyncOutput($normal_content, $async_content = null, $apply_to_tpl = true) {
                global $ilCtrl, $tpl;

                $content = ($ilCtrl->isAsynch() && $async_content != null)? $async_content : $normal_content;

                if($ilCtrl->isAsynch()) {
                        echo $content;
                        exit();
                } else {
                        if($apply_to_tpl) {
                                $tpl->setContent($content);
                        } else {
                                return $content;
                        }
                }
        }

        public function getContent() {
                return $this->content;
        }


        public function setContent($content) {
                $this->content = $content;
        }


        public function getHeading() {
                return $this->heading;
        }


        public function setHeading($heading) {
                $this->heading = $heading;
        }


        public function getWindowProperties() {
                return $this->window_properties;
        }


        public function setWindowProperties($window_properties) {
                $this->window_properties = $window_properties;
        }

}