Files
iTop/sources/Form/Field/Field.php

576 lines
11 KiB
PHP

<?php
/*
* @copyright Copyright (C) 2010-2021 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
namespace Combodo\iTop\Form\Field;
use Closure;
use Combodo\iTop\Form\Validator\MandatoryValidator;
use Combodo\iTop\Form\Validator\Validator;
/**
* Description of Field
*
* @author Guillaume Lajarige <guillaume.lajarige@combodo.com>
* @since iTop 2.3.0
*/
abstract class Field
{
/** @var string */
const ENUM_DISPLAY_MODE_COSY = 'cosy'; // Label above value
/** @var string */
const ENUM_DISPLAY_MODE_COMPACT = 'compact'; // Label and value side by side
/** @var string */
const ENUM_DISPLAY_MODE_DENSE = 'dense'; // Label and value side by side, closely
/** @var string */
const DEFAULT_LABEL = '';
/** @var string */
const DEFAULT_DESCRIPTION = '';
/** @var array */
const DEFAULT_METADATA = array();
/** @var bool */
const DEFAULT_HIDDEN = false;
/** @var bool */
const DEFAULT_READ_ONLY = false;
/** @var bool */
const DEFAULT_MANDATORY = false;
/** @var string */
const DEFAULT_DISPLAY_MODE = self::ENUM_DISPLAY_MODE_COSY;
/** @var bool */
const DEFAULT_VALID = true;
/** @var string */
protected $sId;
/** @var string */
protected $sGlobalId;
/** @var string */
protected $sFormPath;
/** @var string */
protected $sLabel;
/**
* Description text of the field, typically to bring more information to the user on the field purpose
*
* @var string
* @since 3.0.0
*/
protected $sDescription;
/** @var array */
protected $aMetadata;
/** @var bool */
protected $bHidden;
/** @var bool */
protected $bReadOnly;
/** @var bool */
protected $bMandatory;
/** @var string */
protected $sDisplayMode;
/** @var array */
protected $aValidators;
/** @var bool */
protected $bValid;
/** @var array */
protected $aErrorMessages;
protected $currentValue;
protected $onFinalizeCallback;
/**
* Default constructor
*
* @param string $sId
* @param \Closure|null $onFinalizeCallback (Used in the $oForm->AddField($sId, ..., function() use ($oManager, $oForm, '...') { ... } ); )
*/
public function __construct(string $sId, Closure $onFinalizeCallback = null)
{
$this->sId = $sId;
// No space in such an id, that could be used as a DOM node id
$this->sGlobalId = 'field_' . str_replace(' ', '_', $sId) . '_' . uniqid();
$this->sLabel = static::DEFAULT_LABEL;
$this->sDescription = static::DEFAULT_DESCRIPTION;
$this->aMetadata = static::DEFAULT_METADATA;
$this->bHidden = static::DEFAULT_HIDDEN;
$this->bReadOnly = static::DEFAULT_READ_ONLY;
$this->bMandatory = static::DEFAULT_MANDATORY;
$this->sDisplayMode = static::DEFAULT_DISPLAY_MODE;
$this->aValidators = array();
$this->bValid = static::DEFAULT_VALID;
$this->aErrorMessages = array();
$this->onFinalizeCallback = $onFinalizeCallback;
}
/**
* Returns the field id within its container form
*
* @return string
*/
public function GetId()
{
return $this->sId;
}
/**
* Returns a unique field id within the top level form
*
* @return string
*/
public function GetGlobalId()
{
return $this->sGlobalId;
}
/**
* Returns the id of the container form
*
* @return string
*/
public function GetFormPath()
{
return $this->sFormPath;
}
/**
*
* @return string
*/
public function GetLabel()
{
return $this->sLabel;
}
/**
* Return true if the field has a description. Note that an empty string is equivalent to no description.
*
* @see static::$sDescription
* @return bool
* @since 3.0.0
*/
public function HasDescription(): bool
{
return empty($this->sDescription) === false;
}
/**
* @see static::$sDescription
* @return string
* @since 3.0.0
*/
public function GetDescription(): string
{
return $this->sDescription;
}
/**
* Return an array of $sName => $sValue metadata.
*
* @return array
* @since 2.7.0
*/
public function GetMetadata()
{
return $this->aMetadata;
}
/**
*
* @return boolean
*/
public function GetHidden()
{
return $this->bHidden;
}
/**
*
* @return boolean
*/
public function GetReadOnly()
{
return $this->bReadOnly;
}
/**
* Note: This not implemented yet! Just a pre-conception for CaseLogField
*
* @todo Implement
* @return boolean
*/
public function GetMustChange()
{
// TODO
return false;
}
/**
*
* @return boolean
*/
public function GetMandatory()
{
return $this->bMandatory;
}
/**
*
* @return string
*/
public function GetDisplayMode()
{
return $this->sDisplayMode;
}
/**
*
* @return array
*/
public function GetValidators()
{
return $this->aValidators;
}
/**
* Returns the current validation state of the field (true|false).
* It DOESN'T make the validation, see Validate() instead.
*
* @return boolean
*/
public function GetValid()
{
return $this->bValid;
}
/**
*
* @return array
*/
public function GetErrorMessages()
{
return $this->aErrorMessages;
}
/**
*
* @return mixed
*/
public function GetCurrentValue()
{
return $this->currentValue;
}
/**
* @return mixed
*/
public function GetDisplayValue()
{
return $this->currentValue;
}
/**
* Sets the field formpath
* Usually Called by the form when adding the field
*
* @param string $sFormPath
* @return $this
*/
public function SetFormPath(string $sFormPath)
{
$this->sFormPath = $sFormPath;
return $this;
}
/**
*
* @param string $sLabel
* @return $this
*/
public function SetLabel(string $sLabel)
{
$this->sLabel = $sLabel;
return $this;
}
/**
* @param string $sDescription
* @see static::$sDescription
*
* @return $this
* @since 3.0.0
*/
public function SetDescription(string $sDescription)
{
$this->sDescription = $sDescription;
return $this;
}
/**
* Must be an array of $sName => $sValue metadata.
*
* @param array $aMetadata
*
* @return $this
* @since 2.7.0
*/
public function SetMetadata(array $aMetadata)
{
$this->aMetadata = $aMetadata;
return $this;
}
/**
*
* @param boolean $bHidden
* @return $this
*/
public function SetHidden(bool $bHidden)
{
$this->bHidden = $bHidden;
return $this;
}
/**
*
* @param boolean $bReadOnly
* @return $this
*/
public function SetReadOnly(bool $bReadOnly)
{
$this->bReadOnly = $bReadOnly;
return $this;
}
/**
* Sets if the field is mandatory or not.
* Setting the value will automatically add/remove a MandatoryValidator to the Field
*
* @param boolean $bMandatory
* @return $this
*/
public function SetMandatory(bool $bMandatory)
{
// Before changing the property, we check if it was already mandatory. If not, we had the mandatory validator
if ($bMandatory && !$this->bMandatory)
{
$this->AddValidator(new MandatoryValidator());
}
if (!$bMandatory)
{
foreach ($this->aValidators as $iKey => $oValue)
{
if ($oValue::Getname() === MandatoryValidator::GetName())
{
unset($this->aValidators[$iKey]);
}
}
}
$this->bMandatory = $bMandatory;
return $this;
}
/**
* Sets if the field is must change or not.
* Note: This not implemented yet! Just a pre-conception for CaseLogField
*
* @todo Implement
* @param boolean $bMustChange
* @return $this
*/
public function SetMustChange(bool $bMustChange)
{
// TODO.
return $this;
}
/**
*
* @param string $sDisplayMode
* @return $this
*/
public function SetDisplayMode(string $sDisplayMode)
{
$this->sDisplayMode = $sDisplayMode;
return $this;
}
/**
*
* @param array $aValidators
* @return $this
*/
public function SetValidators(array $aValidators)
{
$this->aValidators = $aValidators;
return $this;
}
/**
* Note : Function is protected as bValid should not be set from outside
*
* @param boolean $bValid
* @return $this
*/
protected function SetValid(bool $bValid)
{
$this->bValid = $bValid;
return $this;
}
/**
* Note : Function is protected as aErrorMessages should not be set from outside
*
* @param array $aErrorMessages
* @return $this
*/
protected function SetErrorMessages(array $aErrorMessages)
{
$this->aErrorMessages = $aErrorMessages;
return $this;
}
/**
*
* @param mixed $currentValue
* @return $this
*/
public function SetCurrentValue($currentValue)
{
$this->currentValue = $currentValue;
return $this;
}
/**
*
* @param Closure $onFinalizeCallback
* @return $this
*/
public function SetOnFinalizeCallback(Closure $onFinalizeCallback)
{
$this->onFinalizeCallback = $onFinalizeCallback;
return $this;
}
/**
* Add a metadata to the field. If the metadata $sName already exists, it will be overwritten.
* Note: $sValue should NOT be HTML (or something else) encoded, only the renderer should take care of it.
*
* @param string $sName
* @param string $sValue
*
* @return $this;
* @since 2.7.0
*/
public function AddMetadata(string $sName, ?string $sValue = null)
{
$this->aMetadata[$sName] = $sValue;
return $this;
}
/**
*
* @param \Combodo\iTop\Form\Validator\Validator $oValidator
* @return $this
*/
public function AddValidator(Validator $oValidator)
{
$this->aValidators[] = $oValidator;
return $this;
}
/**
*
* @param \Combodo\iTop\Form\Validator\Validator $oValidator
* @return $this
*/
public function RemoveValidator(Validator $oValidator)
{
foreach ($this->aValidators as $iKey => $oValue)
{
if ($oValue === $oValidator)
{
unset($this->aValidators[$iKey]);
}
}
return $this;
}
/**
* Note : Function is protected as aErrorMessages should not be add from outside
*
* @param string $sErrorMessage
* @return $this
*/
protected function AddErrorMessage(string $sErrorMessage)
{
$this->aErrorMessages[] = $sErrorMessage;
return $this;
}
/**
* Note : Function is protected as aErrorMessages should not be set from outside
*
* @return $this
*/
protected function EmptyErrorMessages()
{
$this->aErrorMessages = array();
return $this;
}
/**
* Returns if the field is editable. Meaning that it is not editable nor hidden.
*
* @return boolean
*/
public function IsEditable()
{
return (!$this->bReadOnly && !$this->bHidden);
}
public function OnCancel()
{
// Overload when needed
}
public function OnFinalize()
{
if ($this->onFinalizeCallback !== null)
{
// Note : We MUST have a temp variable to call the Closure. otherwise it won't work when the Closure is a class member
$callback = $this->onFinalizeCallback;
$callback($this);
}
}
/**
* Checks the validators to see if the field's current value is valid.
* Then sets $bValid and $aErrorMessages.
*
* @return boolean
*/
public function Validate()
{
$this->SetValid(true);
$this->EmptyErrorMessages();
$bEmpty = ( ($this->GetCurrentValue() === null) || ($this->GetCurrentValue() === '') );
if (!$bEmpty || $this->GetMandatory())
{
foreach ($this->GetValidators() as $oValidator)
{
if (!preg_match($oValidator->GetRegExp(true), $this->GetCurrentValue()))
{
$this->SetValid(false);
$this->AddErrorMessage($oValidator->GetErrorMessage());
}
}
}
return $this->GetValid();
}
}