mirror of
https://git.code.sf.net/p/seeddms/code
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737 lines
20 KiB
PHP
737 lines
20 KiB
PHP
<?php
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/**
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* Implementation of the attribute 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 GPL 2
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* @version @version@
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 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 an attribute in the document management system
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*
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* Attributes are key/value pairs which can be attachted to documents,
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* folders and document content. The number of attributes is unlimited.
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* Each attribute has a value and is related to an attribute definition,
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* which holds the name and other information about the attribute.
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*
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* @see SeedDMS_Core_AttributeDefinition
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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) 2012-2013 Uwe Steinmann
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* @version Release: @package_version@
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*/
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class SeedDMS_Core_Attribute { /* {{{ */
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/**
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* @var integer id of attribute
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*
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* @access protected
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*/
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protected $_id;
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/**
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* @var object SeedDMS_Core_Object folder, document or document content
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* this attribute belongs to
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*
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* @access protected
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*/
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protected $_obj;
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/**
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* @var object SeedDMS_Core_AttributeDefinition definition of this attribute
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*
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* @access protected
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*/
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protected $_attrdef;
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/**
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* @var mixed value of this attribute
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*
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* @access protected
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*/
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protected $_value;
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/**
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* @var object SeedDMS_Core_DMS reference to the dms instance this attribute belongs to
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*
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* @access protected
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*/
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protected $_dms;
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/**
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* Constructor
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*
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* @param integer $id internal id of attribute
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* @param SeedDMS_Core_Object $obj object this attribute is attached to
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* @param SeedDMS_Core_AttributeDefinition $attrdef reference to the attribute definition
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* @param string $value value of the attribute
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*/
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function SeedDMS_Core_Attribute($id, $obj, $attrdef, $value) { /* {{{ */
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$this->_id = $id;
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$this->_obj = $obj;
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$this->_attrdef = $attrdef;
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$this->_value = $value;
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$this->_dms = null;
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} /* }}} */
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/**
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* Set reference to dms
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*
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* @param SeedDMS_Core_DMS $dms
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*/
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function setDMS($dms) { /* {{{ */
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$this->_dms = $dms;
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} /* }}} */
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/**
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* Get internal id of attribute
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*
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* @return integer id
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*/
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function getID() { return $this->_id; }
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/**
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* Return attribute value as stored in database
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*
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* This function will return the value of multi value attributes
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* including the separator char.
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*
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* @return string the attribute value as it is stored in the database.
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*/
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function getValue() { return $this->_value; }
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/**
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* Return attribute values as an array
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*
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* This function returns the attribute value as an array. Such an array
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* has one element for non multi value attributes and n elements for
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* multi value attributes.
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*
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* @return array the attribute values
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*/
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function getValueAsArray() { /* {{{ */
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if($this->_attrdef->getMultipleValues()) {
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return explode($this->_value[0], substr($this->_value, 1));
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} else {
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return array($this->_value);
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}
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} /* }}} */
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/**
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* Set a value of an attribute
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* The attribute is deleted completely if the value is the empty string
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*
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* @param string $value value to be set
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* @return boolean true if operation was successfull, otherwise false
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*/
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function setValue($value) { /* {{{*/
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$db = $this->_dms->getDB();
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switch(get_class($this->_obj)) {
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case "SeedDMS_Core_Document":
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if(trim($value) === '')
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$queryStr = "DELETE FROM tblDocumentAttributes WHERE `document` = " . $this->_obj->getID() . " AND `attrdef` = " . $this->_attrdef->getId();
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else
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$queryStr = "UPDATE tblDocumentAttributes SET value = ".$db->qstr($value)." WHERE `document` = " . $this->_obj->getID() . " AND `attrdef` = " . $this->_attrdef->getId();
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break;
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case "SeedDMS_Core_DocumentContent":
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if(trim($value) === '')
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$queryStr = "DELETE FROM tblDocumentContentAttributes WHERE `content` = " . $this->_obj->getID() . " AND `attrdef` = " . $this->_attrdef->getId();
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else
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$queryStr = "UPDATE tblDocumentContentAttributes SET value = ".$db->qstr($value)." WHERE `content` = " . $this->_obj->getID() . " AND `attrdef` = " . $this->_attrdef->getId();
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break;
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case "SeedDMS_Core_Folder":
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if(trim($value) === '')
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$queryStr = "DELETE FROM tblFolderAttributes WHERE `folder` = " . $this->_obj->getID() . " AND `attrdef` = " . $this->_attrdef->getId();
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else
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$queryStr = "UPDATE tblFolderAttributes SET value = ".$db->qstr($value)." WHERE `folder` = " . $this->_obj->getID() . " AND `attrdef` = " . $this->_attrdef->getId();
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break;
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default:
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return false;
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}
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if (!$db->getResult($queryStr))
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return false;
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$this->_value = $value;
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return true;
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} /* }}} */
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/**
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* Get definition of attribute
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*
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* @return object attribute definition
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*/
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function getAttributeDefinition() { return $this->_attrdef; }
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} /* }}} */
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/**
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* Class to represent an attribute definition in the document management system
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*
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* Attribute definitions specify the name, type, object type, minimum and
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* maximum values and a value set. The object type determines the object
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* an attribute may be attached to. If the object type is set to object_all
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* the attribute can be used for documents, document content and folders.
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*
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* The type of an attribute specifies the skalar data type.
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*
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* Attributes for which multiple values are allowed must have the
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* multiple flag set to true and specify a value set. A value set
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* is a string consisting of n separated values. The separator is the
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* first char of the value set. A possible value could be '|REV-A|REV-B'
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* If multiple values are allowed, then minvalues and maxvalues may
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* restrict the allowed number of values.
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*
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* @see SeedDMS_Core_Attribute
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*
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* @category DMS
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* @package SeedDMS_Core
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* @author Markus Westphal, Malcolm Cowe, Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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class SeedDMS_Core_AttributeDefinition { /* {{{ */
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/**
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* @var integer id of attribute definition
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*
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* @access protected
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*/
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protected $_id;
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/**
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* @var string name of attribute definition
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*
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* @access protected
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*/
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protected $_name;
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/**
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* @var string object type of attribute definition. This can be one of
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* type_int, type_float, type_string, or type_boolean.
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*
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* @access protected
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*/
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protected $_type;
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/**
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* @var string type of attribute definition. This can be one of objtype_all,
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* objtype_folder, objtype_document, or objtype_documentcontent.
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*
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* @access protected
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*/
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protected $_objtype;
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/**
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* @var boolean whether an attribute can have multiple values
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*
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* @access protected
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*/
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protected $_multiple;
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/**
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* @var integer minimum values of an attribute
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*
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* @access protected
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*/
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protected $_minvalues;
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/**
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* @var integer maximum values of an attribute
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*
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* @access protected
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*/
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protected $_maxvalues;
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/**
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* @var string list of possible values of an attribute
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*
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* @access protected
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*/
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protected $_valueset;
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/**
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* @var string regular expression the value must match
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*
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* @access protected
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*/
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protected $_regex;
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/**
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* @var object SeedDMS_Core_DMS reference to the dms instance this attribute definition belongs to
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*
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* @access protected
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*/
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protected $_dms;
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/*
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* Possible skalar data types of an attribute
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*/
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const type_int = '1';
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const type_float = '2';
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const type_string = '3';
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const type_boolean = '4';
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/*
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* The object type for which a attribute may be used
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*/
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const objtype_all = '0';
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const objtype_folder = '1';
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const objtype_document = '2';
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const objtype_documentcontent = '3';
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/**
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* Constructor
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*
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* @param integer $id internal id of attribute definition
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* @param string $name name of attribute
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* @param integer $objtype type of object for which this attribute definition
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* may be used.
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* @param integer $type skalar type of attribute
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* @param boolean $multiple set to true if multiple values are allowed
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* @param integer $minvalues minimum number of values
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* @param integer $maxvalues maximum number of values
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* @param string $valueset separated list of allowed values, the first char
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* is taken as the separator
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*/
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function SeedDMS_Core_AttributeDefinition($id, $name, $objtype, $type, $multiple, $minvalues, $maxvalues, $valueset, $regex) { /* {{{ */
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$this->_id = $id;
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$this->_name = $name;
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$this->_type = $type;
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$this->_objtype = $objtype;
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$this->_multiple = $multiple;
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$this->_minvalues = $minvalues;
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$this->_maxvalues = $maxvalues;
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$this->_valueset = $valueset;
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$this->_separator = '';
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$this->_regex = $regex;
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$this->_dms = null;
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} /* }}} */
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/**
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* Set reference to dms
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*
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* @param SeedDMS_Core_DMS $dms
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*/
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function setDMS($dms) { /* {{{ */
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$this->_dms = $dms;
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} /* }}} */
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/**
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* Get internal id of attribute definition
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*
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* @return integer id
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*/
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function getID() { return $this->_id; }
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/**
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* Get name of attribute definition
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*
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* @return string name
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*/
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function getName() { return $this->_name; }
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function setName($name) { /* {{{ */
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET name =".$db->qstr($name)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_name = $name;
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return true;
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} /* }}} */
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/**
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* Get object type of attribute definition
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*
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* This can be one of objtype_all,
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* objtype_folder, objtype_document, or objtype_documentcontent.
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*
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* @return integer type
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*/
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function getObjType() { return $this->_objtype; }
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/**
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* Set object type of attribute definition
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*
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* This can be one of objtype_all,
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* objtype_folder, objtype_document, or objtype_documentcontent.
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*
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* @param integer $objtype type
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*/
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function setObjType($objtype) { /* {{{ */
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET objtype =".intval($objtype)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_objtype = $objtype;
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return true;
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} /* }}} */
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/**
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* Get type of attribute definition
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*
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* This can be one of type_int, type_float, type_string, type_boolean.
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*
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* @return integer type
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*/
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function getType() { return $this->_type; }
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/**
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* Set type of attribute definition
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*
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* This can be one of type_int, type_float, type_string, type_boolean.
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*
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* @param integer $type type
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*/
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function setType($type) { /* {{{ */
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET type =".intval($type)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_type = $type;
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return true;
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} /* }}} */
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/**
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* Check if attribute definition allows multi values for attribute
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*
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* @return boolean true if attribute may have multiple values
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*/
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function getMultipleValues() { return $this->_multiple; }
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/**
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* Set if attribute definition allows multi values for attribute
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*
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* @param boolean $mv true if attribute may have multiple values, otherwise
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* false
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*/
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function setMultipleValues($mv) { /* {{{ */
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET multiple =".intval($mv)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_multiple = $mv;
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return true;
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} /* }}} */
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/**
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* Return minimum number of values for attributes
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*
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* Attributes with multiple values may be limited to a range
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* of values. This functions returns the minimum number of values.
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*
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* @return integer minimum number of values
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*/
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function getMinValues() { return $this->_minvalues; }
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function setMinValues($minvalues) { /* {{{ */
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET minvalues =".intval($minvalues)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_minvalues = $minvalues;
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return true;
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} /* }}} */
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/**
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* Return maximum number of values for attributes
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*
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* Attributes with multiple values may be limited to a range
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* of values. This functions returns the maximum number of values.
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*
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* @return integer maximum number of values
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*/
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function getMaxValues() { return $this->_maxvalues; }
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function setMaxValues($maxvalues) { /* {{{ */
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET maxvalues =".intval($maxvalues)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_maxvalues = $maxvalues;
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return true;
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} /* }}} */
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/**
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* Get the value set as saved in the database
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*
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* @return string value set
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*/
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function getValueSet() { /* {{{ */
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return $this->_valueset;
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} /* }}} */
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/**
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* Get the whole value set as an array
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*
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* @return array values of value set or false if the value set has
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* less than 2 chars
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*/
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function getValueSetAsArray() { /* {{{ */
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if(strlen($this->_valueset) > 1)
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return explode($this->_valueset[0], substr($this->_valueset, 1));
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else
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return false;
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} /* }}} */
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/**
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* Get the n'th value of a value set
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*
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* @param interger $index
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* @return string n'th value of value set or false if the index is
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* out of range or the value set has less than 2 chars
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*/
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function getValueSetValue($ind) { /* {{{ */
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if(strlen($this->_valueset) > 1) {
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$tmp = explode($this->_valueset[0], substr($this->_valueset, 1));
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if(isset($tmp[$ind]))
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return $tmp[$ind];
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else
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return false;
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} else
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return false;
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} /* }}} */
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/**
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* Set the value set
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*
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* A value set is a list of values allowed for an attribute. The values
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* are separated by a char which must also be the first char of the
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* value set string.
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*
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* @param string $valueset
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* @return boolean true if value set could be set, otherwise false
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*/
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function setValueSet($valueset) { /* {{{ */
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/*
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$tmp = array();
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foreach($valueset as $value) {
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$tmp[] = str_replace('"', '""', $value);
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}
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$valuesetstr = implode(",", $tmp);
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*/
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$valuesetstr = $valueset;
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$db = $this->_dms->getDB();
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$queryStr = "UPDATE tblAttributeDefinitions SET valueset =".$db->qstr($valuesetstr)." WHERE id = " . $this->_id;
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$res = $db->getResult($queryStr);
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if (!$res)
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return false;
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$this->_valueset = $valueset;
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$this->_separator = substr($valueset, 0, 1);
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return true;
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} /* }}} */
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/**
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* Get the regular expression as saved in the database
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*
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* @return string regular expression
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*/
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function getRegex() { /* {{{ */
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return $this->_regex;
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} /* }}} */
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/**
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* Set the regular expression
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*
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* A value of the attribute must match this regular expression.
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*
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* @param string $regex
|
||
* @return boolean true if regex could be set, otherwise false
|
||
*/
|
||
function setRegex($regex) { /* {{{ */
|
||
$db = $this->_dms->getDB();
|
||
|
||
$queryStr = "UPDATE tblAttributeDefinitions SET regex =".$db->qstr($regex)." WHERE id = " . $this->_id;
|
||
$res = $db->getResult($queryStr);
|
||
if (!$res)
|
||
return false;
|
||
|
||
$this->_regex = $regex;
|
||
return true;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Check if the attribute definition is used
|
||
*
|
||
* Checks all documents, folders and document content whether at least
|
||
* one of them referenceѕ this attribute definition
|
||
*
|
||
* @return boolean true if attribute definition is used, otherwise false
|
||
*/
|
||
function isUsed() { /* {{{ */
|
||
$db = $this->_dms->getDB();
|
||
|
||
$queryStr = "SELECT * FROM tblDocumentAttributes WHERE attrdef=".$this->_id;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if (is_array($resArr) && count($resArr) == 0) {
|
||
$queryStr = "SELECT * FROM tblFolderAttributes WHERE attrdef=".$this->_id;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if (is_array($resArr) && count($resArr) == 0) {
|
||
$queryStr = "SELECT * FROM tblDocumentContentAttributes WHERE attrdef=".$this->_id;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if (is_array($resArr) && count($resArr) == 0) {
|
||
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
return true;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Return a list of documents, folders, document contents where this
|
||
* attribute definition is used
|
||
*
|
||
* @param integer $limit return not more the n objects of each type
|
||
* @return boolean true if attribute definition is used, otherwise false
|
||
*/
|
||
function getStatistics($limit=0) { /* {{{ */
|
||
$db = $this->_dms->getDB();
|
||
|
||
$result = array('docs'=>array(), 'folders'=>array(), 'contents'=>array());
|
||
if($this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_all ||
|
||
$this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_document) {
|
||
$queryStr = "SELECT * FROM tblDocumentAttributes WHERE attrdef=".$this->_id;
|
||
if($limit)
|
||
$queryStr .= " limit ".(int) $limit;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if($resArr) {
|
||
foreach($resArr as $rec) {
|
||
if($doc = $this->_dms->getDocument($rec['document'])) {
|
||
$result['docs'][] = $doc;
|
||
}
|
||
}
|
||
}
|
||
$queryStr = "SELECT count(*) c, value FROM tblDocumentAttributes WHERE attrdef=".$this->_id." GROUP BY value ORDER BY c DESC";
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if($resArr) {
|
||
$result['frequencies'] = $resArr;
|
||
}
|
||
}
|
||
|
||
if($this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_all ||
|
||
$this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_folder) {
|
||
$queryStr = "SELECT * FROM tblFolderAttributes WHERE attrdef=".$this->_id;
|
||
if($limit)
|
||
$queryStr .= " limit ".(int) $limit;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if($resArr) {
|
||
foreach($resArr as $rec) {
|
||
if($folder = $this->_dms->getFolder($rec['folder'])) {
|
||
$result['folders'][] = $folder;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if($this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_all ||
|
||
$this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_documentcontent) {
|
||
$queryStr = "SELECT * FROM tblDocumentContentAttributes WHERE attrdef=".$this->_id;
|
||
if($limit)
|
||
$queryStr .= " limit ".(int) $limit;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if($resArr) {
|
||
foreach($resArr as $rec) {
|
||
if($content = $this->_dms->getDocumentContent($rec['content'])) {
|
||
$result['contents'][] = $content;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return $result;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Remove the attribute definition
|
||
* Removal is only executed when the definition is not used anymore.
|
||
*
|
||
* @return boolean true on success or false in case of an error
|
||
*/
|
||
function remove() { /* {{{ */
|
||
$db = $this->_dms->getDB();
|
||
|
||
if($this->isUsed())
|
||
return false;
|
||
|
||
// Delete user itself
|
||
$queryStr = "DELETE FROM tblAttributeDefinitions WHERE id = " . $this->_id;
|
||
if (!$db->getResult($queryStr)) return false;
|
||
|
||
return true;
|
||
} /* }}} */
|
||
|
||
/**
|
||
* Get all documents and folder by a given attribute value
|
||
*
|
||
* @param string $attrvalue value of attribute
|
||
* @param integer $limit limit number of documents/folders
|
||
* @return array array containing list of documents and folders
|
||
*/
|
||
public function getObjects($attrvalue, $limit) { /* {{{ */
|
||
$db = $this->_dms->getDB();
|
||
|
||
$result = array('docs'=>array(), 'folders'=>array(), 'contents'=>array());
|
||
if($this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_all ||
|
||
$this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_document) {
|
||
$queryStr = "SELECT * FROM tblDocumentAttributes WHERE attrdef=".$this->_id." AND value=".$db->qstr($attrvalue);
|
||
if($limit)
|
||
$queryStr .= " limit ".(int) $limit;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if($resArr) {
|
||
foreach($resArr as $rec) {
|
||
if($doc = $this->_dms->getDocument($rec['document'])) {
|
||
$result['docs'][] = $doc;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if($this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_all ||
|
||
$this->_objtype == SeedDMS_Core_AttributeDefinition::objtype_folder) {
|
||
$queryStr = "SELECT * FROM tblFolderAttributes WHERE attrdef=".$this->_id." AND value=".$db->qstr($attrvalue);
|
||
if($limit)
|
||
$queryStr .= " limit ".(int) $limit;
|
||
$resArr = $db->getResultArray($queryStr);
|
||
if($resArr) {
|
||
foreach($resArr as $rec) {
|
||
if($folder = $this->_dms->getFolder($rec['folder'])) {
|
||
$result['folders'][] = $folder;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return $result;
|
||
} /* }}} */
|
||
|
||
} /* }}} */
|
||
?>
|