class.ilPCBlogGUI.php

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<?php

/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

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

class ilPCBlogGUI extends ilPageContentGUI
{

        function ilPCBlogGUI($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id = "")
        {
                parent::ilPageContentGUI($a_pg_obj, $a_content_obj, $a_hier_id, $a_pc_id);
        }

        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)
                {
                        default:
                                $ret =& $this->$cmd();
                                break;
                }

                return $ret;
        }

        function insert(ilPropertyFormGUI $a_form = null)
        {
                global $tpl;

                $this->displayValidationError();

                if(!$a_form)
                {
                        $a_form = $this->initForm(true);
                }
                $tpl->setContent($a_form->getHTML());
        }

        function edit(ilPropertyFormGUI $a_form = null)
        {
                global $tpl;

                $this->displayValidationError();

                if(!$a_form)
                {
                        $a_form = $this->initForm();
                }
                $tpl->setContent($a_form->getHTML());
        }

        protected function initForm($a_insert = false)
        {
                global $ilCtrl, $ilUser, $lng;

                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $form->setFormAction($ilCtrl->getFormAction($this));
                if ($a_insert)
                {
                        $form->setTitle($this->lng->txt("cont_insert_blog"));
                }
                else
                {
                        $form->setTitle($this->lng->txt("cont_update_blog"));
                }
                                
                $options = array();             
                include_once "Modules/Blog/classes/class.ilBlogPosting.php";
                $blogs_ids = ilBlogPosting::searchBlogsByAuthor($ilUser->getId());              
                if($blogs_ids)
                {
                        foreach ($blogs_ids as $blog_id)
                        {                               
                                $options[$blog_id] = ilObject::_lookupTitle($blog_id);                          
                        }
                        asort($options);        
                }
                $obj = new ilSelectInputGUI($this->lng->txt("cont_pc_blog"), "blog");
                $obj->setRequired(true);
                $obj->setOptions($options);
                $form->addItem($obj);
                
                if ($a_insert)
                {
                        $form->addCommandButton("create_blog", $this->lng->txt("select"));
                        $form->addCommandButton("cancelCreate", $this->lng->txt("cancel"));
                }
                else
                {
                        $obj->setValue($this->content_obj->getBlogId());
                        $form->addCommandButton("update", $this->lng->txt("select"));
                        $form->addCommandButton("cancelUpdate", $this->lng->txt("cancel"));
                }

                return $form;
        }               

        function create()
        {
                if(!$_POST["blog_id"])
                {
                        $form = $this->initForm(true);
                        if($form->checkInput())
                        {
                                return $this->insertPosting($_POST["blog"]);
                        }
                        
                        $form->setValuesByPost();
                        return $this->insert($form);
                }
                else
                {
                        $form = $this->initPostingForm($_POST["blog_id"], true);
                        if($form->checkInput())
                        {                                                                       
                                $this->content_obj = new ilPCBlog($this->getPage());
                                $this->content_obj->create($this->pg_obj, $this->hier_id, $this->pc_id);
                                $this->content_obj->setData($form->getInput("blog_id"), $form->getInput("posting"));
                                $this->updated = $this->pg_obj->update();
                                if ($this->updated === true)
                                {
                                        $this->ctrl->returnToParent($this, "jump".$this->hier_id);
                                }
                        }
                        
                        $form->setValuesByPost();
                        return $this->insertPosting($_POST["blog_id"], $form);
                }
        }

        function update()
        {               
                if(!$_POST["blog_id"])
                {
                        $form = $this->initForm();
                        if($form->checkInput())
                        {
                                return $this->editPosting($_POST["blog"]);
                        }
                        
                        $this->pg_obj->addHierIDs();
                        $form->setValuesByPost();
                        return $this->edit($form);
                }
                else
                {
                        $form = $this->initPostingForm($_POST["blog_id"]);
                        if($form->checkInput())
                        {       
                                $this->content_obj->setData($form->getInput("blog_id"), $form->getInput("posting"));
                                $this->updated = $this->pg_obj->update();
                                if ($this->updated === true)
                                {
                                        $this->ctrl->returnToParent($this, "jump".$this->hier_id);
                                }
                        }
                        
                        $this->pg_obj->addHierIDs();
                        $form->setValuesByPost();
                        return $this->editPosting($_POST["blog_id"], $form);    
                }
        }
        
        
        function insertPosting($a_blog_id, ilPropertyFormGUI $a_form = null)
        {
                global $tpl;

                $this->displayValidationError();

                if(!$a_form)
                {
                        $a_form = $this->initPostingForm($a_blog_id, true);
                }
                $tpl->setContent($a_form->getHTML());
        }
        
        function editPosting($a_blog_id, ilPropertyFormGUI $a_form = null)
        {
                global $tpl;

                $this->displayValidationError();

                if(!$a_form)
                {
                        $a_form = $this->initPostingForm($a_blog_id);
                }
                $tpl->setContent($a_form->getHTML());
        }
        
        protected function initPostingForm($a_blog_id, $a_insert = false)
        {
                global $ilCtrl, $ilUser;

                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $form->setFormAction($ilCtrl->getFormAction($this));
                if ($a_insert)
                {
                        $form->setTitle($this->lng->txt("cont_insert_blog"));
                }
                else
                {
                        $form->setTitle($this->lng->txt("cont_update_blog"));
                }

                $options = array();
                include_once "Modules/Blog/classes/class.ilBlogPosting.php";
                $postings = ilBlogPosting::getAllPostings($a_blog_id);
                if($postings)
                {
                        foreach($postings as $post)
                        {
                                // could be posting from someone else
                                if($post["author"] == $ilUser->getId())
                                {
                                        $date = new ilDateTime($post["date"], IL_CAL_DATETIME);
                                        $title = $post["title"]." - ".
                                                ilDatePresentation::formatDate($date);

                                        $cbox = new ilCheckboxInputGUI($title, "posting");
                                        $cbox->setValue($post["id"]);

                                        $options[] = $cbox;
                                }
                        }
                }
                asort($options);
                $obj = new ilCheckboxGroupInputGUI($this->lng->txt("cont_pc_blog_posting"), "posting");
                $obj->setRequired(true);
                $obj->setOptions($options);
                $form->addItem($obj);
                
                $blog_id = new ilHiddenInputGUI("blog_id");
                $blog_id->setValue($a_blog_id);
                $form->addItem($blog_id);
                
                if ($a_insert)
                {
                        $form->addCommandButton("create_blog", $this->lng->txt("save"));
                        $form->addCommandButton("cancelCreate", $this->lng->txt("cancel"));
                }
                else
                {
                        $obj->setValue($this->content_obj->getPostings());
                        $form->addCommandButton("update", $this->lng->txt("save"));
                        $form->addCommandButton("cancelUpdate", $this->lng->txt("cancel"));
                }

                return $form;
        }
}

?>