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https://github.com/Combodo/iTop.git
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363 lines
12 KiB
PHP
363 lines
12 KiB
PHP
<?php
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// Copyright (C) 2010-2016 Combodo SARL
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//
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// This file is part of iTop.
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//
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// iTop is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// iTop is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with iTop. If not, see <http://www.gnu.org/licenses/>
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/**
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* Class WizardHelper
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*
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* @copyright Copyright (C) 2010-2016 Combodo SARL
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* @license http://opensource.org/licenses/AGPL-3.0
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*/
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require_once(APPROOT.'/application/uiwizard.class.inc.php');
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class WizardHelper
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{
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protected $m_aData;
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public function __construct()
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{
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}
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/**
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* Constructs the PHP target object from the parameters sent to the web page by the wizard
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* @param boolean $bReadUploadedFiles True to also read any uploaded file (for blob/document fields)
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* @return object
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*/
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public function GetTargetObject($bReadUploadedFiles = false)
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{
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if (isset($this->m_aData['m_oCurrentValues']['id']))
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{
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$oObj = MetaModel::GetObject($this->m_aData['m_sClass'], $this->m_aData['m_oCurrentValues']['id']);
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}
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else
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{
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$oObj = MetaModel::NewObject($this->m_aData['m_sClass']);
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}
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foreach($this->m_aData['m_oCurrentValues'] as $sAttCode => $value)
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{
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// Because this is stored in a Javascript array, unused indexes
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// are filled with null values and unused keys (stored as strings) contain $$NULL$$
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if ( ($sAttCode !='id') && ($value !== '$$NULL$$'))
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{
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$oAttDef = MetaModel::GetAttributeDef($this->m_aData['m_sClass'], $sAttCode);
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if (($oAttDef->IsLinkSet()) && ($value != '') )
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{
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// special handling for lists
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// assumes this is handled as an array of objects
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// thus encoded in json like: [ { name:'link1', 'id': 123}, { name:'link2', 'id': 124}...]
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$aData = json_decode($value, true); // true means decode as a hash array (not an object)
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// Check what are the meaningful attributes
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$aFields = $this->GetLinkedWizardStructure($oAttDef);
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$sLinkedClass = $oAttDef->GetLinkedClass();
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$aLinkedObjectsArray = array();
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if (!is_array($aData))
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{
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echo ("aData: '$aData' (value: '$value')\n");
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}
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foreach($aData as $aLinkedObject)
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{
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$oLinkedObj = MetaModel::NewObject($sLinkedClass);
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foreach($aFields as $sLinkedAttCode)
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{
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if ( isset($aLinkedObject[$sLinkedAttCode]) && ($aLinkedObject[$sLinkedAttCode] !== null) )
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{
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$sLinkedAttDef = MetaModel::GetAttributeDef($sLinkedClass, $sLinkedAttCode);
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if (($sLinkedAttDef->IsExternalKey()) && ($aLinkedObject[$sLinkedAttCode] != '') && ($aLinkedObject[$sLinkedAttCode] > 0) )
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{
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// For external keys: load the target object so that external fields
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// get filled too
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$oTargetObj = MetaModel::GetObject($sLinkedAttDef->GetTargetClass(), $aLinkedObject[$sLinkedAttCode]);
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$oLinkedObj->Set($sLinkedAttCode, $oTargetObj);
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}
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elseif($sLinkedAttDef instanceof AttributeDateTime)
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{
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$sDateClass = get_class($sLinkedAttDef);
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$sDate = $aLinkedObject[$sLinkedAttCode];
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if($sDate !== null && $sDate !== '')
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{
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$oDateTimeFormat = $sDateClass::GetFormat();
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$oDate = $oDateTimeFormat->Parse($sDate);
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if ($sDateClass == "AttributeDate")
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{
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$sDate = $oDate->format('Y-m-d');
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}
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else
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{
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$sDate = $oDate->format('Y-m-d H:i:s');
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}
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}
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$oLinkedObj->Set($sLinkedAttCode, $sDate);
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}
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else
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{
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$oLinkedObj->Set($sLinkedAttCode, $aLinkedObject[$sLinkedAttCode]);
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}
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}
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}
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$aLinkedObjectsArray[] = $oLinkedObj;
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}
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$oSet = DBObjectSet::FromArray($sLinkedClass, $aLinkedObjectsArray);
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$oObj->Set($sAttCode, $oSet);
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}
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else if ( $oAttDef->GetEditClass() == 'Document' )
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{
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if ($bReadUploadedFiles)
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{
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$oDocument = utils::ReadPostedDocument('attr_'.$sAttCode, 'fcontents');
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$oObj->Set($sAttCode, $oDocument);
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}
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else
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{
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// Create a new empty document, just for displaying the file name
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$oDocument = new ormDocument(null, '', $value);
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$oObj->Set($sAttCode, $oDocument);
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}
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}
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else if ( $oAttDef->GetEditClass() == 'Image' )
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{
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if ($bReadUploadedFiles)
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{
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$oDocument = utils::ReadPostedDocument('attr_'.$sAttCode, 'fcontents');
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$oObj->Set($sAttCode, $oDocument);
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}
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else
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{
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// Create a new empty document, just for displaying the file name
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$oDocument = new ormDocument(null, '', $value);
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$oObj->Set($sAttCode, $oDocument);
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}
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}
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else if (($oAttDef->IsExternalKey()) && (!empty($value)) && ($value > 0) )
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{
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// For external keys: load the target object so that external fields
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// get filled too
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$oTargetObj = MetaModel::GetObject($oAttDef->GetTargetClass(), $value, false);
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if ($oTargetObj)
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{
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$oObj->Set($sAttCode, $oTargetObj);
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}
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else
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{
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// May happen for security reasons (portal, see ticket #1074)
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$oObj->Set($sAttCode, $value);
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}
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}
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else if ($oAttDef instanceof AttributeDateTime) // AttributeDate is derived from AttributeDateTime
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{
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if ($value != null)
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{
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$oDate = $oAttDef->GetFormat()->Parse($value);
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if ($oDate instanceof DateTime)
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{
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$value = $oDate->format($oAttDef->GetInternalFormat());
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}
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else
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{
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$value = null;
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}
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}
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$oObj->Set($sAttCode, $value);
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}
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else if ($oAttDef instanceof AttributeTagSet) // AttributeDate is derived from AttributeDateTime
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{
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$value = json_decode($value, true);
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$oTagSet = new ormTagSet(get_class($oObj), $sAttCode);
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$oTagSet->SetValues($value['orig_value']);
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$oTagSet->ApplyDelta($value);
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$oObj->Set($sAttCode, $oTagSet);
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}
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else if ($oAttDef instanceof AttributeSet) // AttributeDate is derived from AttributeDateTime
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{
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$value = json_decode($value, true);
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$oTagSet = new ormSet(get_class($oObj), $sAttCode);
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$oTagSet->SetValues($value['orig_value']);
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$oTagSet->ApplyDelta($value);
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$oObj->Set($sAttCode, $oTagSet);
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}
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else
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{
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$oObj->Set($sAttCode, $value);
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}
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}
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}
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if (isset($this->m_aData['m_sState']) && !empty($this->m_aData['m_sState']))
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{
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$oObj->Set(MetaModel::GetStateAttributeCode($this->m_aData['m_sClass']), $this->m_aData['m_sState']);
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}
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$oObj->DoComputeValues();
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return $oObj;
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}
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public function GetFieldsForDefaultValue()
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{
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return $this->m_aData['m_aDefaultValueRequested'];
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}
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public function SetDefaultValue($sAttCode, $value)
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{
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// Protect against a request for a non existing field
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if (isset($this->m_aData['m_oFieldsMap'][$sAttCode]))
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{
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$oAttDef = MetaModel::GetAttributeDef($this->m_aData['m_sClass'], $sAttCode);
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if ($oAttDef->GetEditClass() == 'List')
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{
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// special handling for lists
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// this as to be handled as an array of objects
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// thus encoded in json like: [ { name:'link1', 'id': 123}, { name:'link2', 'id': 124}...]
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// NOT YET IMPLEMENTED !!
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$sLinkedClass = $oAttDef->GetLinkedClass();
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$oSet = $value;
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$aData = array();
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$aFields = $this->GetLinkedWizardStructure($oAttDef);
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while($oSet->fetch())
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{
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foreach($aFields as $sLinkedAttCode)
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{
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$aRow[$sAttCode] = $oLinkedObj->Get($sLinkedAttCode);
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}
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$aData[] = $aRow;
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}
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$this->m_aData['m_oDefaultValue'][$sAttCode] = json_encode($aData);
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}
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else
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{
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// Normal handling for all other scalar attributes
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$this->m_aData['m_oDefaultValue'][$sAttCode] = $value;
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}
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}
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}
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public function GetFieldsForAllowedValues()
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{
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return $this->m_aData['m_aAllowedValuesRequested'];
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}
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public function SetAllowedValuesHtml($sAttCode, $sHtml)
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{
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// Protect against a request for a non existing field
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if (isset($this->m_aData['m_oFieldsMap'][$sAttCode]))
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{
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$this->m_aData['m_oAllowedValues'][$sAttCode] = $sHtml;
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}
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}
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public function ToJSON()
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{
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return json_encode($this->m_aData);
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}
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static public function FromJSON($sJSON)
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{
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$oWizHelper = new WizardHelper();
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if (get_magic_quotes_gpc())
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{
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$sJSON = stripslashes($sJSON);
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}
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$aData = json_decode($sJSON, true); // true means hash array instead of object
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$oWizHelper->m_aData = $aData;
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return $oWizHelper;
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}
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protected function GetLinkedWizardStructure($oAttDef)
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{
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$oWizard = new UIWizard(null, $oAttDef->GetLinkedClass());
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$aWizardSteps = $oWizard->GetWizardStructure();
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$aFields = array();
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$sExtKeyToMeCode = $oAttDef->GetExtKeyToMe();
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// Retrieve as a flat list, all the attributes that are needed to create
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// an object of the linked class and put them into a flat array, except
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// the attribute 'ext_key_to_me' which is a constant in our case
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foreach($aWizardSteps as $sDummy => $aMainSteps)
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{
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// 2 entries: 'mandatory' and 'optional'
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foreach($aMainSteps as $aSteps)
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{
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// One entry for each step of the wizard
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foreach($aSteps as $sAttCode)
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{
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if ($sAttCode != $sExtKeyToMeCode)
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{
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$aFields[] = $sAttCode;
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}
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}
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}
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}
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return $aFields;
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}
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public function GetTargetClass()
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{
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return $this->m_aData['m_sClass'];
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}
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public function GetFormPrefix()
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{
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return $this->m_aData['m_sFormPrefix'];
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}
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public function GetInitialState()
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{
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return isset($this->m_aData['m_sInitialState']) ? $this->m_aData['m_sInitialState'] : null;
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}
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public function GetStimulus()
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{
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return isset($this->m_aData['m_sStimulus']) ? $this->m_aData['m_sStimulus'] : null;
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}
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public function GetIdForField($sFieldName)
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{
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$sResult = '';
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// It may happen that the field we'd like to update does not
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// exist in the form. For example, if the field should be hidden/read-only
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// in the current state of the object
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if (isset($this->m_aData['m_oFieldsMap'][$sFieldName]))
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{
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$sResult = $this->m_aData['m_oFieldsMap'][$sFieldName];
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}
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return $sResult;
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}
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static function ParseJsonSet($oMe, $sLinkClass, $sExtKeyToMe, $sJsonSet)
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{
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$aSet = json_decode($sJsonSet, true); // true means hash array instead of object
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$oSet = CMDBObjectSet::FromScratch($sLinkClass);
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foreach($aSet as $aLinkObj)
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{
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$oLink = MetaModel::NewObject($sLinkClass);
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foreach($aLinkObj as $sAttCode => $value)
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{
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$oAttDef = MetaModel::GetAttributeDef($sLinkClass, $sAttCode);
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if (($oAttDef->IsExternalKey()) && ($value != '') && ($value > 0))
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{
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// For external keys: load the target object so that external fields
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// get filled too
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$oTargetObj = MetaModel::GetObject($oAttDef->GetTargetClass(), $value);
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$oLink->Set($sAttCode, $oTargetObj);
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}
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$oLink->Set($sAttCode, $value);
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}
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$oLink->Set($sExtKeyToMe, $oMe->GetKey());
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$oSet->AddObject($oLink);
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}
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return $oSet;
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}
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}
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