Symfony sonata - form mapper - symfony

Question

in symfony sonata :
I have an object CONTACT contains many ROLE -
i want to see all was inside an entity role in form mapper:
my entity role have 4 parameters.
(label function, phone, email, etc...)
actually i just have a link to the object.
(but i want to see all the parameters was inside the entity)
i try this in my form mapper of my class ADMIN
$showMapper
->with('CONTACT - FUNCTION')
->add('role')
->end()
namespace AdminBundle\Entity;
use Doctrine\Common\Collections\ArrayCollection;
/**
* Role
*/
class Role
{
/**
* #var int
*/
private $id;
/**
* #var string(unique=true)
*/
private $function;
/**
* #var int
*/
private $organisation;
/**
* #var string
*/
private $phone;
/**
* #var string
*/
private $email;
/**
* #var int
*/
private $contact=null;
/**
* Get id
*
* #return int
*/
public function getId()
{
return $this->id;
}
public function __toString(){
return sprintf("%s %s", $this->getFunction(), $this->getOrganisation());
}
public function getFunction_name()
{
return $this->getFunction();
}
/**
* Set contact
*
* #param int $contact
*
* #return role
*/
public function setContact($contact)
{
$this->contact = $contact;
return $this;
}
/**
* Get contact
*
* #return int
*/
public function getContact()
{
return $this->contact;
}
/**
* Set function
*
* #param string $function
*
* #return Role
*/
public function setFunction($function)
{
$this->function = $function;
return $this;
}
/**
* Get function
*
* #return string
*/
public function getFunction()
{
return $this->function;
}
/**
* Set organisation
*
* #param int $organisation
*
* #return Role
*/
public function setOrganisation($organisation)
{
$this->organisation = $organisation;
return $this;
}
/**
* Get organisation
*
* #return int
*/
public function getOrganisation()
{
return $this->organisation;
}
/**
* Set phone
*
* #param string $phone
*
* #return Role
*/
public function setPhone($phone)
{
$this->phone = $phone;
return $this;
}
/**
* Get phone
*
* #return string
*/
public function getPhone()
{
return $this->phone;
}
/**
* Set email
*
* #param string $email
*
* #return Role
*/
public function setEmail($email)
{
$this->email = $email;
return $this;
}
/**
* Get email
*
* #return string
*/
public function getEmail()
{
return $this->email;
}
}
and my doctrine file
AdminBundle\Entity\Role:
type: entity
table: null
repositoryClass: AdminBundle\Repository\RoleRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
function:
type: string
length: 100
unique: true
phone:
type: string
length: 100
nullable: TRUE
email:
type: string
length: 100
nullable: TRUE
manyToOne:
organisation:
targetEntity: AdminBundle\Entity\Organisation
joinColumn:
name: organisation
referencedColumnName: id
nullable: TRUE
manyToMany:
contact:
targetEntity: AdminBundle\Entity\Contact
joinTable:
name: allrole
joinColumns:
role:
referencedColumnName: id
inverseJoinColumns:
contact:
referencedColumnName: id

Answer 1

Create a __toString() method into your Role entity with properties you want to display.
public function __toString()
{
return (string) "Function: " . $this->function . ", Phone: " . $this->phone . ", Email: " . $this->email;
}