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<?php
namespace Drupal\views_ui\Form\Ajax;
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\ViewExecutable;
use Drupal\views\ViewEntityInterface;
use Drupal\views\Views;
/**
* Provides a form for adding an item in the Views UI.
*/
class AddHandler extends ViewsFormBase {
/**
* Constructs a new AddHandler object.
*/
public function __construct($type = NULL) {
$this->setType($type);
}
/**
* {@inheritdoc}
*/
public function getFormKey() {
return 'add-handler';
}
/**
* {@inheritdoc}
*/
public function getForm(ViewEntityInterface $view, $display_id, $js, $type = NULL) {
$this->setType($type);
return parent::getForm($view, $display_id, $js);
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'views_ui_add_handler_form';
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$view = $form_state->get('view');
$display_id = $form_state->get('display_id');
$type = $form_state->get('type');
$form = [
'options' => [
'#theme_wrappers' => ['container'],
'#attributes' => ['class' => ['scroll'], 'data-drupal-views-scroll' => TRUE],
],
];
$executable = $view->getExecutable();
if (!$executable->setDisplay($display_id)) {
$form['markup'] = ['#markup' => $this->t('Invalid display id @display', ['@display' => $display_id])];
return $form;
}
$display = &$executable->displayHandlers->get($display_id);
$types = ViewExecutable::getHandlerTypes();
$ltitle = $types[$type]['ltitle'];
$section = $types[$type]['plural'];
if (!empty($types[$type]['type'])) {
$type = $types[$type]['type'];
}
$form['#title'] = $this->t('Add @type', ['@type' => $ltitle]);
$form['#section'] = $display_id . 'add-handler';
// Add the display override dropdown.
views_ui_standard_display_dropdown($form, $form_state, $section);
// Figure out all the base tables allowed based upon what the relationships provide.
$base_tables = $executable->getBaseTables();
$options = Views::viewsDataHelper()->fetchFields(array_keys($base_tables), $type, $display->useGroupBy(), $form_state->get('type'));
if (!empty($options)) {
$form['override']['controls'] = [
'#theme_wrappers' => ['container'],
'#id' => 'views-filterable-options-controls',
'#attributes' => ['class' => ['form--inline', 'views-filterable-options-controls']],
];
$form['override']['controls']['options_search'] = [
'#type' => 'textfield',
'#title' => $this->t('Search'),
];
$groups = ['all' => $this->t('- All -')];
$form['override']['controls']['group'] = [
'#type' => 'select',
'#title' => $this->t('Category'),
'#options' => [],
];
$form['options']['name'] = [
'#prefix' => '<div class="views-radio-box form-checkboxes views-filterable-options">',
'#suffix' => '</div>',
'#type' => 'tableselect',
'#header' => [
'title' => $this->t('Title'),
'group' => $this->t('Category'),
'help' => $this->t('Description'),
],
'#js_select' => FALSE,
];
$grouped_options = [];
foreach ($options as $key => $option) {
$group = preg_replace('/[^a-z0-9]/', '-', strtolower($option['group']));
$groups[$group] = $option['group'];
$grouped_options[$group][$key] = $option;
if (!empty($option['aliases']) && is_array($option['aliases'])) {
foreach ($option['aliases'] as $id => $alias) {
if (empty($alias['base']) || !empty($base_tables[$alias['base']])) {
$copy = $option;
$copy['group'] = $alias['group'];
$copy['title'] = $alias['title'];
if (isset($alias['help'])) {
$copy['help'] = $alias['help'];
}
$group = preg_replace('/[^a-z0-9]/', '-', strtolower($copy['group']));
$groups[$group] = $copy['group'];
$grouped_options[$group][$key . '$' . $id] = $copy;
}
}
}
}
foreach ($grouped_options as $group => $group_options) {
foreach ($group_options as $key => $option) {
$form['options']['name']['#options'][$key] = [
'#attributes' => [
'class' => ['filterable-option', $group],
],
'title' => [
'data' => [
'#title' => $option['title'],
'#plain_text' => $option['title'],
],
'class' => ['title'],
],
'group' => $option['group'],
'help' => [
'data' => $option['help'],
'class' => ['description'],
],
];
}
}
$form['override']['controls']['group']['#options'] = $groups;
}
else {
$form['options']['markup'] = [
'#markup' => '<div class="js-form-item form-item">' . $this->t('There are no @types available to add.', ['@types' => $ltitle]) . '</div>',
];
}
// Add a div to show the selected items
$form['selected'] = [
'#type' => 'item',
'#markup' => '<span class="views-ui-view-title">' . $this->t('Selected:') . '</span> ' . '<div class="views-selected-options"></div>',
'#theme_wrappers' => ['form_element', 'views_ui_container'],
'#attributes' => [
'class' => ['container-inline', 'views-add-form-selected', 'views-offset-bottom'],
'data-drupal-views-offset' => 'bottom',
],
];
$view->getStandardButtons($form, $form_state, 'views_ui_add_handler_form', $this->t('Add and configure @types', ['@types' => $ltitle]));
// Remove the default submit function.
$form['actions']['submit']['#submit'] = array_filter($form['actions']['submit']['#submit'], function($var) {
return !(is_array($var) && isset($var[1]) && $var[1] == 'standardSubmit');
});
$form['actions']['submit']['#submit'][] = [$view, 'submitItemAdd'];
return $form;
}
}