70 lines
1.9 KiB
PHP
70 lines
1.9 KiB
PHP
<?php
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namespace Cadoles\CoreBundle\Form;
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use Symfony\Component\Form\AbstractType;
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use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
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use Symfony\Component\Form\FormInterface;
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use Symfony\Component\Form\FormView;
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use Symfony\Component\OptionsResolver\OptionsResolver;
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class IconChoiceType extends AbstractType
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{
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/**
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* Cache for multiple icon fields or sub-requests.
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*
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* @var array
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*/
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private $choices;
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private $kernelRootDir;
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public function __construct($kernelRootDir)
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{
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$this->kernelRootDir = $kernelRootDir;
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}
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public function buildView(FormView $view, FormInterface $form, array $options)
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{
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// Pass this flag is necessary to render the label as raw.
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// See below the twig field template for more details.
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$view->vars['raw_label'] = true;
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}
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public function configureOptions(OptionsResolver $resolver)
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{
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$resolver->setDefaults([
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'attr' => [
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// It's the key of the solution and can be done in many ways.
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// Now, the rendered <select> element will have a new font.
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'style' => "font-family: 'FontAwesome';",
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'class' => "select2-icon"
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],
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'choices' => $this->getFontAwesomeIconChoices(),
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]);
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}
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public function getParent()
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{
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return ChoiceType::class;
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}
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protected function getFontAwesomeIconChoices()
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{
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if (null !== $this->choices) {
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return $this->choices;
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}
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$fontAwesome = file_get_contents($this->kernelRootDir);
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$pattern = '/\.(fa-(?:\w+(?:-)?)+):before\s+{\s*content:\s*"\\\\(.+)";\s+}/';
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if (preg_match_all($pattern, $fontAwesome, $matches, PREG_SET_ORDER)) {
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foreach ($matches as list(, $class, $code)) {
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$this->choices[$class] = $class;
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}
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ksort($this->choices);
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}
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return $this->choices;
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}
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}
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