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add method isSubFolder(), do not set parent if a child of the current folder

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This commit is contained in:
Uwe Steinmann 2013-11-25 22:10:17 +01:00
parent 76701aed03
commit 14bae08bfc
1 changed files with 32 additions and 1 deletions
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33
SeedDMS_Core/Core/inc.ClassFolder.php
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@ -149,13 +149,37 @@ class SeedDMS_Core_Folder extends SeedDMS_Core_Object {
return $this->_parent;
} /* }}} */
/**
* Check if the folder is subfolder
*
* This function checks if the passed folder is a subfolder of the current
* folder.
*
* @param object $subFolder potential sub folder
* @return boolean true if passes folder is a subfolder
*/
function isSubFolder($subfolder) { /* {{{ */
$db = $this->_dms->getDB();
$path = $this->getPath();
$sfpath = $subfolder->getPath();
/* It is a potential sub folder start with the path of the current folder.
* If the path differs, it can't be a sub folder.
*/
for($i=0; $i < count($path); $i++) {
if($path[$i] != $sfpath[$i])
return false;
}
return true;
} /* }}} */
/**
* Set a new folder
*
* This function moves a folder from one parent folder into another parent
* folder. It will fail if the root folder is moved.
*
* @param object new parent folder
* @param object $newParent new parent folder
* @return boolean true if operation was successful otherwise false
*/
function setParent($newParent) { /* {{{ */
@ -165,6 +189,13 @@ class SeedDMS_Core_Folder extends SeedDMS_Core_Object {
return false;
}
/* Check if the new parent is the folder to be moved or even
* a subfolder of that folder
*/
if($this->isSubFolder($newParent)) {
return false;
}
// Update the folderList of the folder
$pathPrefix="";
$path = $newParent->getPath();