DocumentLink.inc
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<?php
/**
*
* Represents a document link as per the database document_link table.
* Links a child document to a parent document. Direction of relationship
* is defined through document collaboration.
*
* Copyright (c) 2006 Jam Warehouse http://www.jamwarehouse.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; using version 2 of the License.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @author Bryn Divey, Jam Warehouse (Pty) Ltd, South Africa
* @package lib.documentmanagement
*/
class DocumentLink extends KTEntity {
/** primary key value */
var $iId;
/** primary key of user responsible for creating document */
var $iParentDocumentId;
/** document title name */
var $iChildDocumentId;
/** type of link */
var $iLinkTypeId;
var $_aFieldToSelect = array(
'iId' => 'id',
'iParentDocumentId' => 'parent_document_id',
'iChildDocumentId' => 'child_document_id',
'iLinkTypeId' => 'link_type_id',
);
/**
* Default constructor
*
* @param Parent document primary key
* @param Child document primary key
* @param Link type primary key
*
*/
function DocumentLink($iNewParentDocumentID = null, $iNewChildDocumentID = null, $iLinkTypeId = null) {
//object not created yet
global $default;
$this->iId = -1;
$this->iParentDocumentId = $iNewParentDocumentID;
$this->iChildDocumentId = $iNewChildDocumentID;
$this->iLinkTypeId = $iLinkTypeId;
}
function getID() { return $this->iId; }
function getParentDocumentID() { return $this->iParentDocumentId; }
function setParentDocumentID($iNewValue) { $this->iParentDocumentId = $iNewValue; }
function getChildDocumentID() { return $this->iChildDocumentId; }
function setChildDocumentID($iNewValue) { $this->iChildDocumentId = $iNewValue; }
function getLinkTypeID() { return $this->iLinkTypeId; }
function setLinkTypeID($iNewValue) { $this->iLinkTypeId = $iNewValue; }
/**
* Helper getters
*/
/**
* get parent document
*/
function & getParentDocument() {
return Document::get($this->getParentDocumentId());
}
/**
* get child document
*/
function & getChildDocument() {
$oDocument = Document::get($this->getChildDocumentId());
return $oDocument;
}
/**
* get link type
*/
function & getLinkType() {
return LinkType::get($this->getLinkTypeId());
}
function _fieldValues () {
return array(
'parent_document_id' => $this->iParentDocumentId,
'child_document_id' => $this->iChildDocumentId,
'link_type_id' => $this->iLinkTypeId,
);
}
function _table () {
global $default;
return $default->document_link_table;
}
// static boilerplate
function & get($iDocumentLinkID) {
global $default;
$sql = $default->db;
$result = $sql->query(array("SELECT * FROM $default->document_link_table WHERE id = ?", $iDocumentLinkID));/*ok*/
if ($result) {
if ($sql->next_record()) {
$oDocumentLink = & new DocumentLink($sql->f("parent_document_id"), $sql->f("child_document_id"), $sql->f("link_type_id"));
$oDocumentLink->iId = $sql->f("id");
return $oDocumentLink;
}
$_SESSION["errorMessage"] = $lang_err_object_not_exist."id = ".$iDocumentLinkID." table = $default->document_link_table";
return false;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
function getList($sWhereClause = null) {
return KTEntityUtil::getList2('DocumentLink', $sWhereClause);
}
function &createFromArray($aArray) { return KTEntityUtil::createFromArray('DocumentLink', $aArray); }
/**
* Static function
* Get a list of DocumentLinks where iDocumentId is the parent
*
* @param Integer Document ID of parent
*
* @return Array array of DocumentLink objects, false otherwise.
*/
function getLinksFromDocument($iDocumentId) {
return KTEntityUtil::getList2('DocumentLink', sprintf("parent_document_id = %d", $iDocumentId));
}
/**
* Static function
* Get a list of DocumentLinks where iDocumentId is the child
*
* @param Integer Document ID of child
*
* @return Array array of DocumentLink objects, false otherwise.
*/
function getLinksToDocument($iDocumentId) {
return KTEntityUtil::getList2('DocumentLink', sprintf("child_document_id = %d", $iDocumentId));
}
}
?>