function ConfigSingleExportForm::buildForm

Overrides FormInterface::buildForm

File

core/modules/config/src/Form/ConfigSingleExportForm.php, line 77

Class

ConfigSingleExportForm

Provides a form for exporting a single configuration file.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state, $config_type = NULL, $config_name = NULL) {
    $form['#prefix'] = '<div id="js-config-form-wrapper">';
    $form['#suffix'] = '</div>';
    foreach ($this->entityTypeManager
        ->getDefinitions() as $entity_type => $definition) {
        if ($definition->entityClassImplements(ConfigEntityInterface::class)) {
            $this->definitions[$entity_type] = $definition;
        }
    }
    $entity_types = array_map(function (EntityTypeInterface $definition) {
        return $definition->getLabel();
    }, $this->definitions);
    // Sort the entity types by label, then add the simple config to the top.
    uasort($entity_types, 'strnatcasecmp');
    $config_types = [
        'system.simple' => $this->t('Simple configuration'),
    ] + $entity_types;
    $form['config_type'] = [
        '#title' => $this->t('Configuration type'),
        '#type' => 'select',
        '#options' => $config_types,
        '#default_value' => $config_type,
        '#ajax' => [
            'callback' => '::updateConfigurationType',
            'wrapper' => 'js-config-form-wrapper',
        ],
    ];
    $default_type = $form_state->getValue('config_type', $config_type);
    $form['config_name'] = [
        '#title' => $this->t('Configuration name'),
        '#type' => 'select',
        '#options' => $this->findConfiguration($default_type),
        '#default_value' => $config_name,
        '#prefix' => '<div id="edit-config-type-wrapper">',
        '#suffix' => '</div>',
        '#ajax' => [
            'callback' => '::updateExport',
            'wrapper' => 'edit-export-wrapper',
        ],
    ];
    $form['export'] = [
        '#title' => $this->t('Here is your configuration:'),
        '#type' => 'textarea',
        '#rows' => 24,
        '#prefix' => '<div id="edit-export-wrapper">',
        '#suffix' => '</div>',
    ];
    if ($config_type && $config_name) {
        $fake_form_state = (new FormState())->setValues([
            'config_type' => $config_type,
            'config_name' => $config_name,
        ]);
        $form['export'] = $this->updateExport($form, $fake_form_state);
    }
    return $form;
}