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iTop/sources/form/form.class.inc.php
2016-02-19 16:43:28 +00:00

373 lines
7.5 KiB
PHP

<?php
// Copyright (C) 2010-2016 Combodo SARL
//
// This file is part of iTop.
//
// iTop is free software; you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// iTop 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with iTop. If not, see <http://www.gnu.org/licenses/>
namespace Combodo\iTop\Form;
use \Exception;
use \Dict;
use \Combodo\iTop\Form\Field\Field;
/**
* Description of Form
*
* @author Guillaume Lajarige <guillaume.lajarige@combodo.com>
*/
class Form
{
protected $sId;
protected $aFields;
protected $aDependencies;
protected $bValid;
protected $aErrorMessages;
/**
* Default constructor
*
* @param string $sId
*/
public function __construct($sId)
{
$this->sId = $sId;
$this->aFields = array();
$this->aDependencies = array();
$this->bValid = true;
$this->aErrorMessages = array();
}
/**
*
* @return string
*/
public function GetId()
{
return $this->sId;
}
/**
*
* @return array
*/
public function GetFields()
{
return $this->aFields;
}
/**
*
* @return array
*/
public function GetDependencies()
{
return $this->aDependencies;
}
/**
* Returns a hash array of "Field id" => "Field value"
*
* @return array
*/
public function GetCurrentValues()
{
$aValues = array();
foreach ($this->aFields as $sId => $oField)
{
$aValues[$sId] = $oField->GetCurrentValue();
}
return $aValues;
}
/**
*
* @param array $aValues Must be a hash array of "Field id" => "Field value"
* @return \Combodo\iTop\Form\Form
*/
public function SetCurrentValues($aValues)
{
foreach ($aValues as $sId => $value)
{
$oField = $this->GetField($sId);
$oField->SetCurrentValue($value);
}
return $this;
}
/**
* Returns the current validation state of the form (true|false).
* It DOESN'T make the validation, see Validate() instead.
*
* @return boolean
*/
public function GetValid()
{
return $this->bValid;
}
/**
* Note : Function is protected as bValid should not be set from outside
*
* @param boolean $bValid
* @return \Combodo\iTop\Form\Form
*/
protected function SetValid($bValid)
{
$this->bValid = $bValid;
return $this;
}
/**
*
* @return array
*/
public function GetErrorMessages()
{
return $this->aErrorMessages;
}
/**
* Note : Function is protected as aErrorMessages should not be set from outside
*
* @param array $aErrorMessages
* @param string $sFieldId
* @return \Combodo\iTop\Form\Form
*/
protected function SetErrorMessages($aErrorMessages, $sFieldId = null)
{
if ($sFieldId === null)
{
$this->aErrorMessages = $aErrorMessages;
}
else
{
$this->aErrorMessages[$sFieldId] = $aErrorMessages;
}
return $this;
}
/**
* If $sFieldId is not set, the $sErrorMessage will be added to the general form messages
*
* Note : Function is protected as aErrorMessages should not be add from outside
*
* @param string $sErrorMessage
* @param string $sFieldId
* @return \Combodo\iTop\Form\Form
*/
protected function AddErrorMessage($sErrorMessage, $sFieldId = '_main')
{
if (!isset($this->aErrorMessages[$sFieldId]))
{
$this->aErrorMessages[$sFieldId] = array();
}
$this->aErrorMessages[$sFieldId][] = $sErrorMessage;
return $this;
}
/**
* Note : Function is protected as aErrorMessages should not be set from outside
*
* @return \Combodo\iTop\Form\Form
*/
protected function EmptyErrorMessages()
{
$this->aErrorMessages = array();
return $this;
}
/**
*
* @param string $sId
* @return \Combodo\iTop\Form\Field\Field
* @throws Exception
*/
public function GetField($sId)
{
if (!array_key_exists($sId, $this->aFields))
{
throw new Exception('Field with ID "' . $sId . '" was not found in the Form.');
}
return $this->aFields[$sId];
}
/**
*
* @param string $sId
* @return boolean
*/
public function HasField($sId)
{
return array_key_exists($sId, $this->aFields);
}
/**
*
* @param \Combodo\iTop\Form\Field\Field $oField
* @param array $aDependsOnIds
* @return \Combodo\iTop\Form\Form
*/
public function AddField(Field $oField, $aDependsOnIds = array())
{
$oField->SetFormPath($this->sId);
$this->aFields[$oField->GetId()] = $oField;
return $this;
}
/**
*
* @param string $sId
* @return \Combodo\iTop\Form\Form
*/
public function RemoveField($sId)
{
if (array_key_exists($sId, $this->aFields))
{
unset($this->aFields[$sId]);
}
return $this;
}
/**
* Returns a array (list) of the fields ordered by their dependencies.
*
* @return array
*/
public function GetOrderedFields()
{
// TODO : Do this so it flatten the array
return $this->aFields;
}
/**
* Returns an array of field ids the $sFieldId depends on.
*
* @param string $sFieldId
* @return array
* @throws Exception
*/
public function GetFieldDependencies($sFieldId)
{
if (!array_key_exists($sFieldId, $this->aDependencies))
{
throw new Exception('Field with ID "' . $sFieldId . '" had no dependancies declared in the Form.');
}
return $this->aDependencies[$sFieldId];
}
/**
*
* @param string $sFieldId
* @param array $aDependsOnIds
* @return \Combodo\iTop\Form\Form
*/
public function AddFieldDependencies($sFieldId, array $aDependsOnIds)
{
foreach ($aDependsOnIds as $sDependsOnId)
{
$this->AddFieldDependency($sFieldId, $sDependsOnId);
}
return $this;
}
/**
*
* @param string $sFieldId
* @param string $sDependsOnId
* @return \Combodo\iTop\Form\Form
*/
public function AddFieldDependency($sFieldId, $sDependsOnId)
{
if (!array_key_exists($sFieldId, $this->aDependencies))
{
$this->aDependencies[$sFieldId] = array();
}
$this->aDependencies[$sFieldId][] = $sDependsOnId;
return $this;
}
/**
* Returns a hash array of the fields impacts on other fields. Key being the field that impacts the fields stored in the value as a regular array
* (It kind of reversed the dependencies array)
*
* eg :
* - 'service' => array('subservice', 'template')
* - 'subservice' => array()
* - ...
*
* @return array
*/
public function GetFieldsImpacts()
{
$aRes = array();
foreach ($this->aDependencies as $sImpactedFieldId => $aDependentFieldsIds)
{
foreach ($aDependentFieldsIds as $sDependentFieldId)
{
if (!array_key_exists($sDependentFieldId, $aRes))
{
$aRes[$sDependentFieldId] = array();
}
$aRes[$sDependentFieldId][] = $sImpactedFieldId;
}
}
return $aRes;
}
/**
*
*/
public function Finalize()
{
//TODO : Call GetOrderedFields
// Must call OnFinalize on each fields, regarding the dependencies order
// On a SubFormField, will call its own Finalize
foreach ($this->aFields as $sId => $oField)
{
$oField->OnFinalize();
}
}
/**
* Validate the form and return if it's valid or not
*
* @return boolean
*/
public function Validate()
{
$this->SetValid(true);
$this->EmptyErrorMessages();
foreach ($this->aFields as $oField)
{
if (!$oField->Validate())
{
$this->SetValid(false);
foreach ($oField->GetErrorMessages() as $sErrorMessage)
{
$this->AddErrorMessage(Dict::S($sErrorMessage), $oField->Getid());
}
}
}
return $this->GetValid();
}
}