class.ilPCSkills.php

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<?php

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


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

class ilPCSkills extends ilPageContent
{
        var $dom;

        function init()
        {
                $this->setType("skills");
        }

        function setNode(&$a_node)
        {
                parent::setNode($a_node);               // this is the PageContent node
                $this->skill_node =& $a_node->first_child();            // this is the skill node
        }

        function create(&$a_pg_obj, $a_hier_id, $a_pc_id = "")
        {
                $this->node = $this->createPageContentNode();
                $a_pg_obj->insertContent($this, $a_hier_id, IL_INSERT_AFTER, $a_pc_id);
                $this->skill_node = $this->dom->create_element("Skills");
                $this->skill_node = $this->node->append_child($this->skill_node);
        }

        function setData($a_skill_id)
        {
                global $ilUser;
                
                $this->skill_node->set_attribute("Id", $a_skill_id);
                $this->skill_node->set_attribute("User", $ilUser->getId());
        }

        function getSkillId()
        {
                if (is_object($this->skill_node))
                {
                        return $this->skill_node->get_attribute("Id");
                }
        }
        
        static function afterPageUpdate($a_page, DOMDocument $a_domdoc, $a_xml, $a_creation)
        {
                // pc skill
                self::saveSkillUsage($a_page, $a_domdoc);
        }
        
        static function beforePageDelete($a_page)
        {
                require_once('Services/COPage/classes/class.ilPageContentUsage.php'); // Mantis #18636
                ilPageContentUsage::deleteAllUsages("skmg", $a_page->getParentType().":pg", $a_page->getId(), false,
                        $a_page->getLanguage());
        }

        static function afterPageHistoryEntry($a_page, DOMDocument $a_old_domdoc, $a_old_xml, $a_old_nr)
        {
                self::saveSkillUsage($a_page, $a_old_domdoc, $a_old_nr);
        }
        
        static function saveSkillUsage($a_page, $a_domdoc, $a_old_nr = 0)
        {
                include_once("./Services/COPage/classes/class.ilPageContentUsage.php");
                $skl_ids = self::collectSkills($a_page, $a_domdoc);
                ilPageContentUsage::deleteAllUsages("skmg", $a_page->getParentType().":pg", $a_page->getId(), $a_old_nr,
                        $a_page->getLanguage());
                foreach($skl_ids as $skl_id)
                {
                        if ((int) $skl_id["inst_id"] <= 0)
                        {
                                ilPageContentUsage::saveUsage("skmg", $skl_id["id"], $a_page->getParentType().":pg", $a_page->getId(), $a_old_nr,
                                        $a_page->getLanguage());
                        }
                }
        }

        static function collectSkills($a_page, $a_domdoc)
        {
                $xpath = new DOMXPath($a_domdoc);
                $nodes = $xpath->query('//Skills');     

                $skl_ids = array();
                foreach($nodes as $node)
                {
                        $user = $node->getAttribute("User");
                        $id = $node->getAttribute("Id");
                        $inst_id = $node->getAttribute("InstId");
                        $skl_ids[$user.":".$id.":".$inst_id] = array(
                                "user" => $user, "id" => $id, "inst_id" => $inst_id);
                }

                return $skl_ids;
        }


}
?>