KTWorkflowAssociation.php
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<?php
/**
* $Id$
*
* 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
*
* -------------------------------------------------------------------------
*
* You can contact the copyright owner regarding licensing via the contact
* details that can be found on the KnowledgeTree web site:
*
* http://www.ktdms.com/
*/
require_once(KT_LIB_DIR . '/workflow/workflowutil.inc.php');
require_once(KT_LIB_DIR . '/triggers/triggerregistry.inc.php');
require_once(KT_LIB_DIR . '/database/dbutil.inc');
require_once(KT_LIB_DIR . '/util/ktutil.inc');
class KTWorkflowAssociationPlugin extends KTPlugin {
var $sNamespace = "ktstandard.workflowassociation.plugin";
function setup() {
$this->registerTrigger('add', 'postValidate', 'KTWADAddTrigger',
'ktstandard.triggers.workflowassociation.addDocument');
$this->registerTrigger('moveDocument', 'postValidate', 'KTWADMoveTrigger',
'ktstandard.triggers.workflowassociation.moveDocument');
$this->registerTrigger('edit', 'postValidate', 'KTWADEditTrigger',
'ktstandard.triggers.workflowassociation.editDocument');
$this->registerAdminPage('workflow_allocation', 'WorkflowAllocationSelection',
'documents', _kt('Automatic Workflow Assignments'),
_kt('Configure how documents are allocated to workflows.'), 'workflow/adminpage.php');
$this->registeri18n('knowledgeTree', KT_DIR . '/i18n');
}
}
// base class for delegation.
class KTWorkflowAssociationDelegator {
var $_handler;
var $_document;
function KTWorkflowAssociationDelegator() {
$oKTTriggerRegistry = KTTriggerRegistry::getSingleton();
$aTriggers = $oKTTriggerRegistry->getTriggers('workflow', 'objectModification');
// if we have _some_ triggers.
if (!empty($aTriggers)) {
$sQuery = 'SELECT selection_ns FROM ' . KTUtil::getTableName('trigger_selection');
$sQuery .= ' WHERE event_ns = ?';
$aParams = array('ktstandard.workflowassociation.handler');
$res = DBUtil::getOneResultKey(array($sQuery, $aParams), 'selection_ns');
if (PEAR::isError($res)) { $this->_handler = new KTWorkflowAssociationHandler(); }
if (array_key_exists($res, $aTriggers)) {
$this->_handler = new $aTriggers[$res][0];
}
else {
$this->_handler = new KTWorkflowAssociationHandler();
}
}
else {
$this->_handler = new KTWorkflowAssociationHandler();
}
}
function applyWorkflow($oWorkflow) {
return true;
}
function setInfo($aOptions) {
$this->_document = $aOptions['document'];
}
function postValidate() {
return KTWorkflowUtil::getWorkflowForDocument($this->_document);
}
}
// Add
class KTWADAddTrigger extends KTWorkflowAssociationDelegator {
function postValidate() {
$oWorkflow = $this->_handler->addTrigger($this->_document);
// catch disabled workflows.
if (!is_null($oWorkflow) && (PEAR::isError($oWorkflow) || ($oWorkflow->getStartStateId() === null))) {
return ;
}
$ret = KTWorkflowUtil::startWorkflowOnDocument($oWorkflow, $this->_document);
}
}
// Edit
class KTWADEditTrigger extends KTWorkflowAssociationDelegator {
function postValidate() {
$oWorkflow = $this->_handler->editTrigger($this->_document);
// catch disabled workflows.
if (!is_null($oWorkflow) && (PEAR::isError($oWorkflow) || ($oWorkflow->getStartStateId() === null))) {
return ;
}
$ret = KTWorkflowUtil::changeWorkflowOnDocument($oWorkflow, $this->_document);
}
}
// Move
class KTWADMoveTrigger extends KTWorkflowAssociationDelegator {
function postValidate() {
$oWorkflow = $this->_handler->moveTrigger($this->_document);
// catch disabled workflows.
if (!is_null($oWorkflow) && (PEAR::isError($oWorkflow) || ($oWorkflow->getStartStateId() === null))) {
return ;
}
$ret = KTWorkflowUtil::changeWorkflowOnDocument($oWorkflow, $this->_document);
}
}
// "base class" for fallback. should be subclassed and cross-referenced, otherwise
// has no impact when called.
class KTWorkflowAssociationHandler {
function addTrigger($oDocument) { return KTWorkflowUtil::getWorkflowForDocument($oDocument); }
function editTrigger($oDocument) { return KTWorkflowUtil::getWorkflowForDocument($oDocument); }
function moveTrigger($oDocument) { return KTWorkflowUtil::getWorkflowForDocument($oDocument); }
}
$oPluginRegistry =& KTPluginRegistry::getSingleton();
$oPluginRegistry->registerPlugin('KTWorkflowAssociationPlugin', 'ktstandard.workflowassociation.plugin', __FILE__);
/* include others */
require_once('workflow/TypeAssociator.php');
require_once('workflow/FolderAssociator.php');
?>