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5dd450e9bf
- Add Symfony Form Component - Add Symfony CSRF security component - Add iTop default form template - Add Twig debug extension to Twig Environment - Add iTop abstract controller facility to get form builder - Add Twig filter to make trans an alias of dict_s filter
58 lines
1.6 KiB
PHP
58 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Form\ChoiceList\View;
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/**
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* Represents a choice list in templates.
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*
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* A choice list contains choices and optionally preferred choices which are
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* displayed in the very beginning of the list. Both choices and preferred
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* choices may be grouped in {@link ChoiceGroupView} instances.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class ChoiceListView
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{
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public $choices;
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public $preferredChoices;
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/**
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* Creates a new choice list view.
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*
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* @param array<ChoiceGroupView|ChoiceView> $choices The choice views
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* @param array<ChoiceGroupView|ChoiceView> $preferredChoices the preferred choice views
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*/
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public function __construct(array $choices = [], array $preferredChoices = [])
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{
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$this->choices = $choices;
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$this->preferredChoices = $preferredChoices;
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}
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/**
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* Returns whether a placeholder is in the choices.
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*
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* A placeholder must be the first child element, not be in a group and have an empty value.
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*/
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public function hasPlaceholder(): bool
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{
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if ($this->preferredChoices) {
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$firstChoice = reset($this->preferredChoices);
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return $firstChoice instanceof ChoiceView && '' === $firstChoice->value;
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}
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$firstChoice = reset($this->choices);
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return $firstChoice instanceof ChoiceView && '' === $firstChoice->value;
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}
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}
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