/**
* Save all usages of media objects (media aliases, media objects, internal links)
*
* @param string $a_xml xml data of page
*/
static function saveMobUsage($a_page, $a_domdoc, $a_old_nr = 0)
{
$usages = array();
// media aliases
$xpath = new DOMXPath($a_domdoc);
$nodes = $xpath->query('//MediaAlias');
foreach ($nodes as $node) {
$id_arr = explode("_", $node->getAttribute("OriginId"));
$mob_id = $id_arr[count($id_arr) - 1];
if ($mob_id > 0 && $id_arr[1] == "") {
$usages[$mob_id] = true;
}
}
// media objects
$xpath = new DOMXPath($a_domdoc);
$nodes = $xpath->query('//MediaObject/MetaData/General/Identifier');
foreach ($nodes as $node) {
$mob_entry = $node->getAttribute("Entry");
$mob_arr = explode("_", $mob_entry);
$mob_id = $mob_arr[count($mob_arr) - 1];
if ($mob_id > 0 && $mob_arr[1] == "") {
$usages[$mob_id] = true;
}
}
// internal links
$xpath = new DOMXPath($a_domdoc);
$nodes = $xpath->query("//IntLink[@Type='MediaObject']");
foreach ($nodes as $node) {
$mob_target = $node->getAttribute("Target");
$mob_arr = explode("_", $mob_target);
//echo "<br>3<br>";
//echo $mob_target."<br>";
//var_dump($mob_arr);
$mob_id = $mob_arr[count($mob_arr) - 1];
if ($mob_id > 0 && $mob_arr[1] == "") {
$usages[$mob_id] = true;
}
}
include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
ilObjMediaObject::_deleteAllUsages($a_page->getParentType() . ":pg", $a_page->getId(), $a_old_nr, $a_page->getLanguage());
foreach ($usages as $mob_id => $val) {
ilObjMediaObject::_saveUsage($mob_id, $a_page->getParentType() . ":pg", $a_page->getId(), $a_old_nr, $a_page->getLanguage());
}
return $usages;
}
/**
* delete page object
*/
function delete()
{
global $ilDB;
$mobs = array();
$files = array();
if (!$this->page_not_found) {
$this->buildDom();
$mobs = $this->collectMediaObjects(false);
}
$this->__beforeDelete();
// delete style usages
$this->deleteStyleUsages(false);
// delete internal links
$this->deleteInternalLinks();
// delete all mob usages
include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
ilObjMediaObject::_deleteAllUsages($this->getParentType() . ":pg", $this->getId());
// delete news
include_once "./Services/News/classes/class.ilNewsItem.php";
ilNewsItem::deleteNewsOfContext($this->getParentId(), $this->getParentType(), $this->getId(), "pg");
// delete page_object entry
$ilDB->manipulate("DELETE FROM page_object " . "WHERE page_id = " . $ilDB->quote($this->getId(), "integer") . " AND parent_type= " . $ilDB->quote($this->getParentType(), "text"));
//$this->ilias->db->query($query);
// delete media objects
foreach ($mobs as $mob_id) {
if (ilObject::_lookupType($mob_id) != 'mob') {
$GLOBALS['ilLog']->write(__METHOD__ . ': Type mismatch. Ignoring mob with id: ' . $mob_id);
continue;
}
if (ilObject::_exists($mob_id)) {
$mob_obj =& new ilObjMediaObject($mob_id);
$mob_obj->delete();
}
}
/* delete public and private notes (see PageObjectGUI->getNotesHTML())
as they can be seen as personal data we are keeping them for now
include_once("Services/Notes/classes/class.ilNote.php");
foreach(array(IL_NOTE_PRIVATE, IL_NOTE_PUBLIC) as $note_type)
{
foreach(ilNote::_getNotesOfObject($this->getParentId(), $this->getId(),
$this->getParentType(), $note_type) as $note)
{
$note->delete();
}
}
*/
}
/**
* save all usages of media objects (media aliases, media objects, internal links)
*
* @param string $a_xml xml data of page
*/
function saveMobUsage($a_xml, $a_old_nr = 0)
{
$doc = domxml_open_mem($a_xml);
// media aliases
$xpc = xpath_new_context($doc);
$path = "//MediaAlias";
$res =& xpath_eval($xpc, $path);
$usages = array();
for ($i = 0; $i < count($res->nodeset); $i++) {
$id_arr = explode("_", $res->nodeset[$i]->get_attribute("OriginId"));
$mob_id = $id_arr[count($id_arr) - 1];
if ($mob_id > 0) {
$usages[$mob_id] = true;
}
}
// media objects
$xpc = xpath_new_context($doc);
$path = "//MediaObject/MetaData/General/Identifier";
$res =& xpath_eval($xpc, $path);
for ($i = 0; $i < count($res->nodeset); $i++) {
$mob_entry = $res->nodeset[$i]->get_attribute("Entry");
$mob_arr = explode("_", $mob_entry);
$mob_id = $mob_arr[count($mob_arr) - 1];
if ($mob_id > 0) {
$usages[$mob_id] = true;
}
}
// internal links
$xpc = xpath_new_context($doc);
$path = "//IntLink[@Type='MediaObject']";
$res =& xpath_eval($xpc, $path);
for ($i = 0; $i < count($res->nodeset); $i++) {
$mob_target = $res->nodeset[$i]->get_attribute("Target");
$mob_arr = explode("_", $mob_target);
$mob_id = $mob_arr[count($mob_arr) - 1];
if ($mob_id > 0) {
$usages[$mob_id] = true;
}
}
include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
ilObjMediaObject::_deleteAllUsages($this->getParentType() . ":pg", $this->getId(), $a_old_nr);
foreach ($usages as $mob_id => $val) {
ilObjMediaObject::_saveUsage($mob_id, $this->getParentType() . ":pg", $this->getId(), $a_old_nr);
}
return $usages;
}
