--- /dev/null
+<?php
+
+namespace Drupal\devel\Form;
+
+use Drupal\Core\Extension\ModuleInstallerInterface;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Display a dropdown of installed modules with the option to reinstall them.
+ */
+class DevelReinstall extends FormBase {
+
+ /**
+ * The module installer.
+ *
+ * @var \Drupal\Core\Extension\ModuleInstallerInterface
+ */
+ protected $moduleInstaller;
+
+ /**
+ * Constructs a new DevelReinstall form.
+ *
+ * @param \Drupal\Core\Extension\ModuleInstallerInterface $module_installer
+ * The module installer.
+ */
+ public function __construct(ModuleInstallerInterface $module_installer) {
+ $this->moduleInstaller = $module_installer;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ return new static(
+ $container->get('module_installer')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'devel_reinstall_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ // Get a list of all available modules.
+ $modules = system_rebuild_module_data();
+
+ $uninstallable = array_filter($modules, function ($module) use ($modules) {
+ return empty($modules[$module->getName()]->info['required']) && drupal_get_installed_schema_version($module->getName()) > SCHEMA_UNINSTALLED && $module->getName() !== 'devel';
+ });
+
+ $form['filters'] = array(
+ '#type' => 'container',
+ '#attributes' => array(
+ 'class' => array('table-filter', 'js-show'),
+ ),
+ );
+ $form['filters']['text'] = array(
+ '#type' => 'search',
+ '#title' => $this->t('Search'),
+ '#size' => 30,
+ '#placeholder' => $this->t('Enter module name'),
+ '#attributes' => array(
+ 'class' => array('table-filter-text'),
+ 'data-table' => '#devel-reinstall-form',
+ 'autocomplete' => 'off',
+ 'title' => $this->t('Enter a part of the module name or description to filter by.'),
+ ),
+ );
+
+ // Only build the rest of the form if there are any modules available to
+ // uninstall;
+ if (empty($uninstallable)) {
+ return $form;
+ }
+
+ $header = array(
+ 'name' => $this->t('Name'),
+ 'description' => $this->t('Description'),
+ );
+
+ $rows = array();
+
+ foreach ($uninstallable as $module) {
+ $name = $module->info['name'] ? : $module->getName();
+
+ $rows[$module->getName()] = array(
+ 'name' => array(
+ 'data' => array(
+ '#type' => 'inline_template',
+ '#template' => '<label class="module-name table-filter-text-source">{{ module_name }}</label>',
+ '#context' => array('module_name' => $name),
+ )
+ ),
+ 'description' => array(
+ 'data' => $module->info['description'],
+ 'class' => array('description'),
+ ),
+ );
+ }
+
+ $form['reinstall'] = array(
+ '#type' => 'tableselect',
+ '#header' => $header,
+ '#options' => $rows,
+ '#js_select' => FALSE,
+ '#empty' => $this->t('No modules are available to uninstall.'),
+ );
+
+ $form['#attached']['library'][] = 'system/drupal.system.modules';
+
+ $form['actions'] = array('#type' => 'actions');
+ $form['actions']['submit'] = array(
+ '#type' => 'submit',
+ '#value' => $this->t('Reinstall'),
+ );
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function validateForm(array &$form, FormStateInterface $form_state) {
+ // Form submitted, but no modules selected.
+ if (!array_filter($form_state->getValue('reinstall'))) {
+ $form_state->setErrorByName('reinstall', $this->t('No modules selected.'));
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ try {
+ $modules = $form_state->getValue('reinstall');
+ $reinstall = array_keys(array_filter($modules));
+ $this->moduleInstaller->uninstall($reinstall, FALSE);
+ $this->moduleInstaller->install($reinstall, FALSE);
+ drupal_set_message($this->t('Uninstalled and installed: %names.', array('%names' => implode(', ', $reinstall))));
+ }
+ catch (\Exception $e) {
+ drupal_set_message($this->t('Unable to reinstall modules. Error: %error.', array('%error' => $e->getMessage())), 'error');
+ }
+ }
+
+}