class.ilPCAMDPageList.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

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

class ilPCAMDPageList extends ilPageContent
{
        var $dom;

        function init()
        {
                $this->setType("amdpl");
        }
        
        static function getLangVars()
        {
                return array("ed_insert_amd_page_list", "pc_amdpl");
        }

        function setNode($a_node)
        {
                parent::setNode($a_node);               // this is the PageContent node
                $this->amdpl_node = $a_node->first_child();             // this is the courses 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->amdpl_node = $this->dom->create_element("AMDPageList");
                $this->amdpl_node = $this->node->append_child($this->amdpl_node);
        }

        function setData(array $a_fields_data, $a_mode = null)
        {               
                global $ilDB;
                
                $data_id = $this->amdpl_node->get_attribute("Id");              
                if($data_id)
                {
                        $ilDB->manipulate("DELETE FROM pg_amd_page_list".
                                " WHERE id = ".$ilDB->quote($data_id, "integer"));
                }
                else
                {
                        $data_id = $ilDB->nextId("pg_amd_page_list");
                        $this->amdpl_node->set_attribute("Id", $data_id);
                };
                
                $this->amdpl_node->set_attribute("Mode", (int)$a_mode);         
                
                foreach($a_fields_data as $field_id => $field_data)
                {
                        $fields = array(
                                "id" => array("integer", $data_id)
                                ,"field_id" => array("integer", $field_id)
                                ,"data" => array("text", serialize($field_data))
                        );              
                        $ilDB->insert("pg_amd_page_list", $fields);     
                }
        }

        function getMode()
        {
                if (is_object($this->amdpl_node))
                {       
                        return (int)$this->amdpl_node->get_attribute("Mode");
                }
        }       
        
        function getFieldValues($a_data_id = null)
        {
                global $ilDB;
                        
                $res = array();
                
                if(!$a_data_id)
                {
                        if (is_object($this->amdpl_node))
                        {                       
                                $a_data_id = $this->amdpl_node->get_attribute("Id");
                        }
                }
        
                if($a_data_id)
                {
                        $set = $ilDB->query("SELECT * FROM pg_amd_page_list".
                                " WHERE id = ".$ilDB->quote($a_data_id, "integer"));
                        while($row = $ilDB->fetchAssoc($set))
                        {
                                $res[$row["field_id"]] = unserialize($row["data"]);
                        }
                }               
                
                return $res;
        }
        
        static function handleCopiedContent(DOMDocument $a_domdoc, $a_self_ass = true, $a_clone_mobs = false)
        {
                global $ilDB;
                
                // #15688
                
                $xpath = new DOMXPath($a_domdoc);
                $nodes = $xpath->query("//AMDPageList");
                foreach($nodes as $node)
                {
                        $old_id = $node->getAttribute("Id");
                        break;
                }
                
                if($old_id)
                {                       
                        $new_id = $ilDB->nextId("pg_amd_page_list");

                        $set = $ilDB->query("SELECT * FROM pg_amd_page_list".
                                        " WHERE id = ".$ilDB->quote($old_id, "integer"));
                        while($row = $ilDB->fetchAssoc($set))
                        {                               
                                $fields = array(
                                        "id" => array("integer", $new_id)
                                        ,"field_id" => array("integer", $row["field_id"])
                                        ,"data" => array("text", $row["data"])
                                );                                              
                                $ilDB->insert("pg_amd_page_list", $fields);     
                        }
                        
                        $node->setAttribute("Id", $new_id);
                }
        }
        
        
        //
        // presentation
        // 
        
        protected function findPages($a_list_id)
        {
                global $ilDB;
                
                $list_values = $this->getFieldValues($a_list_id);                       
                $wiki_id = $this->getPage()->getWikiId();

                $found_result = array();

                // only search in active fields
                $found_ids = null;
                $recs = ilAdvancedMDRecord::_getSelectedRecordsByObject("wiki", $wiki_id, "wpg");               
                foreach($recs as $record)
                {                               
                        foreach(ilAdvancedMDFieldDefinition::getInstancesByRecordId($record->getRecordId(), true) as $field)
                        {                               
                                if(isset($list_values[$field->getFieldId()]))                                   
                                {                                               
                                        $field_form = ilADTFactory::getInstance()->getSearchBridgeForDefinitionInstance($field->getADTDefinition(), true, false);                                               
                                        $field->setSearchValueSerialized($field_form, $list_values[$field->getFieldId()]);                                                                                                                              
                                        $found_pages = $field->searchSubObjects($field_form, $wiki_id, "wpg");                                          
                                        if(is_array($found_ids))
                                        {
                                                $found_ids = array_intersect($found_ids, $found_pages);
                                        }
                                        else
                                        {
                                                $found_ids = $found_pages;
                                        }                                               
                                }                                       
                        }                                                                                                       
                }
                
                if(sizeof($found_ids))
                {
                        $sql = "SELECT id,title FROM il_wiki_page".
                                " WHERE ".$ilDB->in("id", $found_ids, "", "integer").
                                " ORDER BY title";
                        $set = $ilDB->query($sql);
                        while($row = $ilDB->fetchAssoc($set))
                        {
                                $found_result[$row["id"]] = $row["title"];
                        }
                }
                        
                return $found_result;
        }
        
        function modifyPageContentPostXsl($a_html, $a_mode)
        {                       
                global $lng;
                
                if($this->getPage()->getParentType() != "wpg")
                {
                        return $a_html;
                }
                                                        
                include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDRecord.php');         
                include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php');                        
                include_once('Modules/Wiki/classes/class.ilWikiUtil.php');              
                
                $wiki_id = $this->getPage()->getWikiId();
                
                $c_pos = 0;
                $start = strpos($a_html, "[[[[[AMDPageList;");
                if (is_int($start))
                {
                        $end = strpos($a_html, "]]]]]", $start);
                }
                $i = 1;
                while ($end > 0)
                {
                        $parts = explode(";", substr($a_html, $start + 17, $end - $start - 17));
                        
                        $list_id = (int)$parts[0];
                        $list_mode = (sizeof($parts) == 2)
                                ? (int)$parts[1]
                                : 0;
                        
                        $ltpl = new ilTemplate("tpl.wiki_amd_page_list.html", true, true, "Modules/Wiki");
                                
                        $pages = $this->findPages($list_id);
                        if(sizeof($pages))
                        {                               
                                $ltpl->setCurrentBlock("page_bl");
                                foreach($pages as $page_id => $page_title)
                                {
                                        // see ilWikiUtil::makeLink()
                                        $frag = new stdClass;
                                        $frag->mFragment = null;
                                        $frag->mTextform = $page_title;
                                
                                        $ltpl->setVariable("PAGE", ilWikiUtil::makeLink($frag, $wiki_id, $page_title));
                                        $ltpl->parseCurrentBlock();
                                }                                                               
                        }
                        else
                        {
                                $ltpl->touchBlock("no_hits_bl");
                        }
                        
                        $ltpl->setVariable("LIST_MODE", $list_mode ? "ol" : "ul");
                                                                                        
                        $a_html = substr($a_html, 0, $start).
                                $ltpl->get().
                                substr($a_html, $end + 5);                      
                        
                        $start = strpos($a_html, "[[[[[AMDPageList;", $start + 5);
                        $end = 0;
                        if (is_int($start))
                        {
                                $end = strpos($a_html, "]]]]]", $start);
                        }
                }
                                
                return $a_html;
        }
        
        public static function migrateField($a_obj_id, $a_field_id, $old_option, $new_option, $a_is_multi = false)
        {
                global $ilDB;
                
                // this does only work for select and select multi
                
                $set = $ilDB->query("SELECT * FROM pg_amd_page_list".
                        " WHERE field_id = ".$ilDB->quote($a_field_id, "integer"));
                while($row = $ilDB->fetchAssoc($set))
                {
                        $data = unserialize(unserialize($row["data"]));
                        if(is_array($data) && 
                                in_array($old_option, $data))
                        {
                                $idx = array_search($old_option, $data);
                                if($new_option)
                                {
                                        $data[$idx] = $new_option;
                                }
                                else
                                {
                                        unset($data[$idx]);
                                }
                                
                                $fields = array(
                                        "data" => array("text", serialize(serialize($data)))
                                );                      
                                $primary = array(
                                        "id" => array("integer", $row["id"]),
                                        "field_id" => array("integer", $row["field_id"])
                                );                              
                                $ilDB->update("pg_amd_page_list", $fields, $primary);
                        }
                }
        }
}

?>