Use init_with_n_elements
option to ensure that your collection will be initialized with the given number of arguments.
Code used:
<script type="text/javascript"> // // Form is initialized without any element, but 5 empty elements // are created at startup. // $('.form-collection').collection({ init_with_n_elements: 5 }); </script>
<?php
namespace Fuz\AppBundle\Base;
use Fuz\AppBundle\Entity\Value;
use Fuz\AppBundle\Form\ValueType;
use Fuz\QuickStartBundle\Base\BaseController as QuickStartBase;
use Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\HttpFoundation\Request;
class BaseController extends QuickStartBase
{
protected function createContextSample(Request $request, $name = 'form', $values = ['a', 'b', 'c'])
{
$data = ['values' => $values];
$form = $this
->get('form.factory')
->createNamedBuilder($name, Type\FormType::class, $data)
->add('values', Type\CollectionType::class, [
'entry_type' => Type\TextType::class,
'label' => 'Add, move, remove values and press Submit.',
'entry_options' => [
'label' => 'Value',
],
'allow_add' => true,
'allow_delete' => true,
'prototype' => true,
'attr' => [
'class' => "{$name}-collection",
],
])
->add('submit', Type\SubmitType::class)
->getForm()
;
$form->handleRequest($request);
if ($form->isValid()) {
$data = $form->getData();
}
return [
$name => $form->createView(),
"{$name}Data" => $data,
];
}
protected function createAdvancedContextSample(Request $request, $name = 'advancedForm')
{
$a = new Value('a');
$b = new Value('b');
$c = new Value('c');
$data = ['values' => [$a, $b, $c]];
$form = $this
->get('form.factory')
->createNamedBuilder($name, Type\FormType::class, $data)
->add('values', Type\CollectionType::class, [
'entry_type' => ValueType::class,
'label' => 'Add, move, remove values and press Submit.',
'allow_add' => true,
'allow_delete' => true,
'prototype' => true,
'required' => false,
'attr' => [
'class' => "{$name}-collection",
],
])
->add('submit', Type\SubmitType::class)
->getForm()
;
$form->handleRequest($request);
if ($form->isValid()) {
$data = $form->getData();
}
return [
$name => $form->createView(),
"{$name}Data" => $data,
];
}
}
<?php
namespace Fuz\AppBundle\Controller;
use Fuz\AppBundle\Base\BaseController;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
use Symfony\Component\HttpFoundation\Request;
/**
* @Route("/options")
*/
class OptionsController extends BaseController
{
/**
* JavaScript options
*
* An overview of almost all options that you
* can enable/disable/customize on the fly.
*
* @Route("/overview", name="overview")
* @Template()
*/
public function overviewAction(Request $request)
{
return $this->createContextSample($request);
}
/**
* JavaScript options
*
* Customized buttons
*
* @Route("/customButtons", name="customButtons")
* @Template()
*/
public function customButtonsAction(Request $request)
{
return $this->createContextSample($request);
}
/**
* JavaScript options
*
* Disable buttons you don't want
*
* @Route("/enableButtons", name="enableButtons")
* @Template()
*/
public function enableButtonsAction(Request $request)
{
return array_merge(
$this->createContextSample($request), $this->createAdvancedContextSample($request)
);
}
/**
* JavaScript options
*
* Control the minimum and maximum of allowed number of elements
*
* @Route("/numberCollectionElements", name="numberCollectionElements")
* @Template()
*/
public function numberCollectionElementsAction(Request $request)
{
return array_merge(
$this->createContextSample($request), $this->createAdvancedContextSample($request)
);
}
/**
* JavaScript options
*
* Add the button close to each collection elements or only at the bottom
*
* @Route("/addButtonAtTheBottom", name="addButtonAtTheBottom")
* @Template()
*/
public function addButtonAtTheBottomAction(Request $request)
{
return array_merge(
$this->createContextSample($request, 'enabled'), $this->createContextSample($request, 'disabled')
);
}
/**
* JavaScript options
*
* Run a callback before or after adding, deleting and moving elements
*
* @Route("/eventCallbacks", name="eventCallbacks")
* @Template()
*/
public function eventCallbacksAction(Request $request)
{
return array_merge(
$this->createContextSample($request, 'eventsBefore'), $this->createContextSample($request, 'eventsAfter')
);
}
/**
* JavaScript options
*
* Use this plugin without the attached form-theme
*
* @Route("/withoutFormTheme", name="withoutFormTheme")
* @Template()
*/
public function withoutFormThemeAction(Request $request)
{
return $this->createContextSample($request);
}
/**
* JavaScript options
*
* Initialize a collection with a given minimum number of elements
*
* @Route("/givenMinimumElements", name="givenMinimumElements")
* @Template()
*/
public function givenMinimumElementsAction(Request $request)
{
return $this->createContextSample($request, 'form', []);
}
/**
* JavaScript options
*
* Hide move-up on the first item and move-down on the last one
*
* @Route("/hideMoveUpDown", name="hideMoveUpDown")
* @Template()
*/
public function hideMoveUpDownAction(Request $request)
{
return $this->createContextSample($request, 'form');
}
/**
* JavaScript options
*
* Drag & Drop allow to get rid of "move up" and "move down" buttons
*
* @Route("/dragAndDrop", name="dragAndDrop")
* @Template()
*/
public function dragAndDropAction(Request $request)
{
return [
'disabled' => $this->createAdvancedContextSample($request, 'disabled'),
'nobuttons' => $this->createAdvancedContextSample($request, 'nobuttons'),
'moreoptions' => $this->createAdvancedContextSample($request, 'moreoptions'),
'startupdate' => $this->createAdvancedContextSample($request, 'startupdate'),
];
}
/**
* JavaScript options
*
* Run a callback before and after collection initialization
*
* @Route("/initCallbacks", name="initCallbacks")
* @Template()
*/
public function initCallbacksAction(Request $request)
{
return $this->createContextSample($request);
}
/**
* JavaScript options
*
* Put buttons to custom locations in your page.
*
* @Route(
* "/buttons-custom-location",
* name = "buttonsCustomLocation"
* )
* @Template()
*/
public function buttonsCustomLocationAction(Request $request)
{
return array_merge(
$this->createContextSample($request, 'collectionA'), $this->createContextSample($request, 'collectionB'), $this->createContextSample($request, 'collectionC')
);
}
/**
* JavaScript options
*
* Enable / disable fade animation when adding / removing
* collection elements.
*
* @Route("/fadeInFadeOut", name="fadeInFadeOut")
* @Template()
*/
public function fadeInFadeOutAction(Request $request)
{
return $this->createContextSample($request);
}
}
{% extends 'FuzAppBundle::layout.html.twig' %}
{% block extra_js %}
<script src="{{ asset('js/jquery.collection.js') }}"></script>
{% endblock %}
{% block title %}JavaScript options : Initialize your collection with a given minimum number of elements{% endblock %}
{% block body %}
<h2>{{ block('title') }}</h2>
<p>Use <code>init_with_n_elements</code> option to ensure that your collection will be initialized with the given number of arguments.
{% form_theme form 'jquery.collection.html.twig' %}
{{ form(form) }}
<hr/>
{% for value in formData.values %}
<p>Value : {{ value }}</p>
{% endfor %}
<hr/>
<p>Code used:</p>
<pre>{{ block('script') | e }}</pre>
{{
tabs([
'Base/BaseController.php',
'Controller/OptionsController.php',
'Resources/views/Options/givenMinimumElements.html.twig',
])
}}
{% endblock %}
{% block script %}
<script type="text/javascript">
//
// Form is initialized without any element, but 5 empty elements
// are created at startup.
//
$('.form-collection').collection({
init_with_n_elements: 5
});
</script>
{% endblock %}