mirror of
https://git.code.sf.net/p/seeddms/code
synced 2024-10-06 08:02:07 +00:00
223 lines
6.7 KiB
PHP
223 lines
6.7 KiB
PHP
<?php
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/**
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* Implementation of an generic object in the document management system
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*
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* @category DMS
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* @package SeedDMS_Core
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* @license GPL2
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2010-2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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/**
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* Class to represent a generic object in the document management system
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*
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* This is the base class for generic objects in SeedDMS.
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*
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* @category DMS
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* @package SeedDMS_Core
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2010-2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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class SeedDMS_Core_Object { /* {{{ */
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/**
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* @var integer unique id of object
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*/
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protected $_id;
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/**
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* @var array list of attributes
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*/
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protected $_attributes;
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/**
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* @var object back reference to document management system
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*/
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public $_dms;
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function __construct($id) { /* {{{ */
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$this->_id = $id;
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$this->_dms = null;
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} /* }}} */
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/*
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* Set dms this object belongs to.
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*
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* Each object needs a reference to the dms it belongs to. It will be
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* set when the object is created.
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* The dms has a references to the currently logged in user
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* and the database connection.
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*
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* @param object $dms reference to dms
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*/
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function setDMS($dms) { /* {{{ */
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$this->_dms = $dms;
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} /* }}} */
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/*
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* Return the internal id of the document
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*
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* @return integer id of document
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*/
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function getID() { return $this->_id; }
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/**
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* Returns all attributes set for the object
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*
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* @return array list of objects of class SeedDMS_Core_Attribute
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*/
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function getAttributes() { /* {{{ */
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if (!$this->_attributes) {
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$db = $this->_dms->getDB();
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switch(get_class($this)) {
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case "SeedDMS_Core_Document":
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$queryStr = "SELECT a.* FROM tblDocumentAttributes a LEFT JOIN tblAttributeDefinitions b ON a.attrdef=b.id WHERE a.document = " . $this->_id." ORDER BY b.`name`";
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break;
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case "SeedDMS_Core_DocumentContent":
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$queryStr = "SELECT a.* FROM tblDocumentContentAttributes a LEFT JOIN tblAttributeDefinitions b ON a.attrdef=b.id WHERE a.content = " . $this->_id." ORDER BY b.`name`";
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break;
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case "SeedDMS_Core_Folder":
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$queryStr = "SELECT a.* FROM tblFolderAttributes a LEFT JOIN tblAttributeDefinitions b ON a.attrdef=b.id WHERE a.folder = " . $this->_id." ORDER BY b.`name`";
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break;
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default:
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return false;
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}
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$resArr = $db->getResultArray($queryStr);
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if (is_bool($resArr) && !$resArr) return false;
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$this->_attributes = array();
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foreach ($resArr as $row) {
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$attrdef = $this->_dms->getAttributeDefinition($row['attrdef']);
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$attr = new SeedDMS_Core_Attribute($row["id"], $this, $attrdef, $row["value"]);
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$attr->setDMS($this->_dms);
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$this->_attributes[$attrdef->getId()] = $attr;
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}
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}
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return $this->_attributes;
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} /* }}} */
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/**
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* Returns an attribute of the object for the given attribute definition
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*
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* @return array|string value of attritbute or false. The value is an array
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* if the attribute is defined as multi value
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*/
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function getAttributeValue($attrdef) { /* {{{ */
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if (!$this->_attributes) {
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$this->getAttributes();
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}
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if (isset($this->_attributes[$attrdef->getId()])) {
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$value = $this->_attributes[$attrdef->getId()]->getValue();
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if($attrdef->getMultipleValues()) {
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$sep = substr($value, 0, 1);
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$vsep = $attrdef->getValueSetSeparator();
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/* If the value doesn't start with the separator used in the value set,
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* then assume that the value was not saved with a leading separator.
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* This can happen, if the value was previously a single value from
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* the value set and later turned into a multi value attribute.
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*/
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if($sep == $vsep)
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return(explode($sep, substr($value, 1)));
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else
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return(array($value));
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} else {
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return $value;
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}
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} else
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return false;
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} /* }}} */
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/**
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* Set an attribute of the object for the given attribute definition
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*
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* @param object $attrdef definition of attribute
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* @param array|sting $value value of attribute, for multiple values this
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* must be an array
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* @return boolean true if operation was successful, otherwise false
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*/
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function setAttributeValue($attrdef, $value) { /* {{{ */
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$db = $this->_dms->getDB();
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if (!$this->_attributes) {
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$this->getAttributes();
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}
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switch($attrdef->getType()) {
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case SeedDMS_Core_AttributeDefinition::type_boolean:
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$value = ($value === true || $value != '' || $value == 1) ? 1 : 0;
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break;
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}
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if($attrdef->getMultipleValues() && is_array($value)) {
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$sep = substr($attrdef->getValueSet(), 0, 1);
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$value = $sep.implode($sep, $value);
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}
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if(!isset($this->_attributes[$attrdef->getId()])) {
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switch(get_class($this)) {
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case "SeedDMS_Core_Document":
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$queryStr = "INSERT INTO tblDocumentAttributes (document, attrdef, value) VALUES (".$this->_id.", ".$attrdef->getId().", ".$db->qstr($value).")";
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break;
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case "SeedDMS_Core_DocumentContent":
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$queryStr = "INSERT INTO tblDocumentContentAttributes (content, attrdef, value) VALUES (".$this->_id.", ".$attrdef->getId().", ".$db->qstr($value).")";
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break;
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case "SeedDMS_Core_Folder":
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$queryStr = "INSERT INTO tblFolderAttributes (folder, attrdef, value) VALUES (".$this->_id.", ".$attrdef->getId().", ".$db->qstr($value).")";
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break;
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default:
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return false;
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}
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$attr = new SeedDMS_Core_Attribute($db->getInsertID(), $this, $attrdef, $value);
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$attr->setDMS($this->_dms);
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$this->_attributes[$attrdef->getId()] = $attr;
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return true;
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}
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$this->_attributes[$attrdef->getId()]->setValue($value);
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return true;
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} /* }}} */
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/**
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* Remove an attribute of the object for the given attribute definition
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*
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* @return boolean true if operation was successful, otherwise false
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*/
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function removeAttribute($attrdef) { /* {{{ */
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$db = $this->_dms->getDB();
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if (!$this->_attributes) {
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$this->getAttributes();
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}
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if(isset($this->_attributes[$attrdef->getId()])) {
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switch(get_class($this)) {
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case "SeedDMS_Core_Document":
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$queryStr = "DELETE FROM tblDocumentAttributes WHERE document=".$this->_id." AND attrdef=".$attrdef->getId();
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break;
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case "SeedDMS_Core_DocumentContent":
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$queryStr = "DELETE FROM tblDocumentContentAttributes WHERE content=".$this->_id." AND attrdef=".$attrdef->getId();
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break;
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case "SeedDMS_Core_Folder":
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$queryStr = "DELETE FROM tblFolderAttributes WHERE folder=".$this->_id." AND attrdef=".$attrdef->getId();
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break;
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default:
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return false;
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}
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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unset($this->_attributes[$attrdef->getId()]);
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}
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return true;
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} /* }}} */
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} /* }}} */
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?>
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