'index.php',"name" => get_lang('PlatformAdmin'));
Display::display_header($tool_name);
//api_display_tool_title($tool_name);
if(empty($action))
{
$result=api_sql_query("SELECT t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count,COUNT(DISTINCT t3.code) AS nbr_courses FROM $tbl_category t1 LEFT JOIN $tbl_category t2 ON t1.code=t2.parent_id LEFT JOIN $tbl_course t3 ON t3.category_code=t1.code WHERE t1.parent_id ".(empty($category)?"IS NULL":"='$category'")." GROUP BY t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count ORDER BY t1.tree_pos",__FILE__,__LINE__);
$Categories=api_store_result($result);
}
if(!empty($category) && empty($action))
{
$result=api_sql_query("SELECT parent_id FROM $tbl_category WHERE code='$category'",__FILE__,__LINE__);
list($parent_id)=mysql_fetch_row($result);
?>
<<
<<
'$row[tree_pos]'",__FILE__,__LINE__);
api_sql_query("DELETE FROM $tbl_category WHERE code='$node'",__FILE__,__LINE__);
if(!empty($row['parent_id']))
{
updateFils($row['parent_id']);
}
}
}
function addNode($code,$name,$canHaveCourses,$parent_id)
{
global $tbl_category;
$canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
$result=api_sql_query("SELECT 1 FROM $tbl_category WHERE code='$code'",__FILE__,__LINE__);
if(mysql_num_rows($result))
{
return false;
}
$result=api_sql_query("SELECT MAX(tree_pos) AS maxTreePos FROM $tbl_category",__FILE__,__LINE__);
$row=mysql_fetch_array($result);
$tree_pos=$row['maxTreePos']+1;
api_sql_query("INSERT INTO $tbl_category(name,code,parent_id,tree_pos,children_count,auth_course_child) VALUES('$name','$code',".(empty($parent_id)?"NULL":"'$parent_id'").",'$tree_pos','0','$canHaveCourses')",__FILE__,__LINE__);
updateFils($parent_id);
return true;
}
function editNode($code,$name,$canHaveCourses,$old_code)
{
global $tbl_category;
$canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
if($code != $old_code)
{
$result=api_sql_query("SELECT 1 FROM $tbl_category WHERE code='$code'",__FILE__,__LINE__);
if(mysql_num_rows($result))
{
return false;
}
}
api_sql_query("UPDATE $tbl_category SET name='$name',code='$code',auth_course_child='$canHaveCourses' WHERE code='$old_code'",__FILE__,__LINE__);
return true;
}
function moveNodeUp($code,$tree_pos,$parent_id)
{
global $tbl_category;
$result=api_sql_query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos<'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1",__FILE__,__LINE__);
if(!$row=mysql_fetch_array($result))
{
$result=api_sql_query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos>'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1",__FILE__,__LINE__);
if(!$row=mysql_fetch_array($result))
{
return false;
}
}
api_sql_query("UPDATE $tbl_category SET tree_pos='".$row['tree_pos']."' WHERE code='$code'",__FILE__,__LINE__);
api_sql_query("UPDATE $tbl_category SET tree_pos='$tree_pos' WHERE code='$row[code]'",__FILE__,__LINE__);
}
function updateFils($category)
{
global $tbl_category;
$result=api_sql_query("SELECT parent_id FROM $tbl_category WHERE code='$category'",__FILE__,__LINE__);
if($row=mysql_fetch_array($result))
{
updateFils($row['parent_id']);
}
$children_count=compterFils($category,0)-1;
api_sql_query("UPDATE $tbl_category SET children_count='$children_count' WHERE code='$category'",__FILE__,__LINE__);
}
function compterFils($pere,$cpt)
{
global $tbl_category;
$result=api_sql_query("SELECT code FROM $tbl_category WHERE parent_id='$pere'",__FILE__,__LINE__);
while($row=mysql_fetch_array($result))
{
$cpt=compterFils($row['code'],$cpt);
}
return ($cpt+1);
}
?>
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