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<?php
namespace Drupal\views_ui\Controller;
use Drupal\Component\Utility\Tags;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Link;
use Drupal\Core\Url;
use Drupal\views\ViewExecutable;
use Drupal\views\ViewEntityInterface;
use Drupal\views\Views;
use Drupal\views_ui\ViewUI;
use Drupal\views\ViewsData;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\JsonResponse;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\ReplaceCommand;
use Drupal\Component\Utility\Html;
/**
* Returns responses for Views UI routes.
*/
class ViewsUIController extends ControllerBase {
/**
* Stores the Views data cache object.
*
* @var \Drupal\views\ViewsData
*/
protected $viewsData;
/**
* Constructs a new \Drupal\views_ui\Controller\ViewsUIController object.
*
* @param \Drupal\views\ViewsData $views_data
* The Views data cache object.
*/
public function __construct(ViewsData $views_data) {
$this->viewsData = $views_data;
}
/**
* Lists all instances of fields on any views.
*
* @return array
* The Views fields report page.
*/
public function reportFields() {
$views = $this->entityTypeManager()->getStorage('view')->loadMultiple();
// Fetch all fieldapi fields which are used in views
// Therefore search in all views, displays and handler-types.
$fields = [];
$handler_types = ViewExecutable::getHandlerTypes();
foreach ($views as $view) {
$executable = $view->getExecutable();
$executable->initDisplay();
foreach ($executable->displayHandlers as $display_id => $display) {
if ($executable->setDisplay($display_id)) {
foreach ($handler_types as $type => $info) {
foreach ($executable->getHandlers($type, $display_id) as $item) {
$table_data = $this->viewsData->get($item['table']);
if (isset($table_data[$item['field']]) && isset($table_data[$item['field']][$type])
&& $field_data = $table_data[$item['field']][$type]) {
// The final check that we have a fieldapi field now.
if (isset($field_data['field_name'])) {
$fields[$field_data['field_name']][$view->id()] = $view->id();
}
}
}
}
}
}
}
$header = [$this->t('Field name'), $this->t('Used in')];
$rows = [];
foreach ($fields as $field_name => $views) {
$rows[$field_name]['data'][0]['data']['#plain_text'] = $field_name;
foreach ($views as $view) {
$rows[$field_name]['data'][1][] = Link::fromTextAndUrl($view, new Url('entity.view.edit_form', ['view' => $view]))->toString();
}
$item_list = [
'#theme' => 'item_list',
'#items' => $rows[$field_name]['data'][1],
'#context' => ['list_style' => 'comma-list'],
];
$rows[$field_name]['data'][1] = ['data' => $item_list];
}
// Sort rows by field name.
ksort($rows);
$output = [
'#type' => 'table',
'#header' => $header,
'#rows' => $rows,
'#empty' => $this->t('No fields have been used in views yet.'),
];
return $output;
}
/**
* Lists all plugins and what enabled Views use them.
*
* @return array
* The Views plugins report page.
*/
public function reportPlugins() {
$rows = Views::pluginList();
foreach ($rows as &$row) {
$views = [];
// Link each view name to the view itself.
foreach ($row['views'] as $view) {
$views[] = Link::fromTextAndUrl($view, new Url('entity.view.edit_form', ['view' => $view]))->toString();
}
unset($row['views']);
$row['views']['data'] = [
'#theme' => 'item_list',
'#items' => $views,
'#context' => ['list_style' => 'comma-list'],
];
}
// Sort rows by field name.
ksort($rows);
return [
'#type' => 'table',
'#header' => [$this->t('Type'), $this->t('Name'), $this->t('Provided by'), $this->t('Used in')],
'#rows' => $rows,
'#empty' => $this->t('There are no enabled views.'),
];
}
/**
* Calls a method on a view and reloads the listing page.
*
* @param \Drupal\views\ViewEntityInterface $view
* The view being acted upon.
* @param string $op
* The operation to perform, e.g., 'enable' or 'disable'.
* @param \Symfony\Component\HttpFoundation\Request $request
* The current request.
*
* @return \Drupal\Core\Ajax\AjaxResponse|\Symfony\Component\HttpFoundation\RedirectResponse
* Either returns a rebuilt listing page as an AJAX response, or redirects
* back to the listing page.
*/
public function ajaxOperation(ViewEntityInterface $view, $op, Request $request) {
// Perform the operation.
$view->$op()->save();
// If the request is via AJAX, return the rendered list as JSON.
if ($request->request->get('js')) {
$list = $this->entityTypeManager()->getListBuilder('view')->render();
$response = new AjaxResponse();
$response->addCommand(new ReplaceCommand('#views-entity-list', $list));
return $response;
}
// Otherwise, redirect back to the page.
return $this->redirect('entity.view.collection');
}
/**
* Menu callback for Views tag autocompletion.
*
* Like other autocomplete functions, this function inspects the 'q' query
* parameter for the string to use to search for suggestions.
*
* @return \Symfony\Component\HttpFoundation\JsonResponse
* A JSON response containing the autocomplete suggestions for Views tags.
*/
public function autocompleteTag(Request $request) {
$matches = [];
$string = $request->query->get('q');
// Get matches from default views.
$views = $this->entityTypeManager()->getStorage('view')->loadMultiple();
// Keep track of previously processed tags so they can be skipped.
$tags = [];
foreach ($views as $view) {
$view_tag = $view->get('tag');
foreach (Tags::explode($view_tag) as $tag) {
if ($tag && !in_array($tag, $tags, TRUE)) {
$tags[] = $tag;
if (mb_stripos($tag, $string) !== FALSE) {
$matches[] = ['value' => $tag, 'label' => Html::escape($tag)];
if (count($matches) >= 10) {
break 2;
}
}
}
}
}
return new JsonResponse($matches);
}
/**
* Returns the form to edit a view.
*
* @param \Drupal\views_ui\ViewUI $view
* The view to be edited.
* @param string|null $display_id
* (optional) The display ID being edited. Defaults to NULL, which will load
* the first available display.
*
* @return array
* An array containing the Views edit and preview forms.
*/
public function edit(ViewUI $view, $display_id = NULL) {
$name = $view->label();
$data = $this->viewsData->get($view->get('base_table'));
if (isset($data['table']['base']['title'])) {
$name .= ' (' . $data['table']['base']['title'] . ')';
}
$build['#title'] = $name;
$build['edit'] = $this->entityFormBuilder()->getForm($view, 'edit', ['display_id' => $display_id]);
$build['preview'] = $this->entityFormBuilder()->getForm($view, 'preview', ['display_id' => $display_id]);
return $build;
}
}
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