/**
* @covers ::getRegionNames
*/
public function testGetRegionNames()
{
$region_names = ['Foo', 'Bar', 'Baz'];
$this->layout->getPluginDefinition()->willReturn(['region_names' => $region_names]);
$this->assertSame($region_names, $this->variant->getRegionNames());
}
/**
* Builds a form that constructs a unsaved instance of a Block for the IPE.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
* @param string $plugin_id
* The requested Block Plugin ID.
* @param \Drupal\panels\Plugin\DisplayVariant\PanelsDisplayVariant $panels_display
* The current PageVariant ID.
* @param string $uuid
* An optional Block UUID, if this is an existing Block.
*
* @return array
* The form structure.
*/
public function buildForm(array $form, FormStateInterface $form_state, $plugin_id = NULL, PanelsDisplayVariant $panels_display = NULL, $uuid = NULL)
{
// We require these default arguments.
if (!$plugin_id || !$panels_display) {
return FALSE;
}
// Save the panels display for later.
$this->panelsDisplay = $panels_display;
// Grab the current layout's regions.
$regions = $panels_display->getRegionNames();
// If $uuid is present, a block should exist.
if ($uuid) {
/** @var \Drupal\Core\Block\BlockBase $block_instance */
$block_instance = $panels_display->getBlock($uuid);
} else {
// Create an instance of this Block plugin.
/** @var \Drupal\Core\Block\BlockBase $block_instance */
$block_instance = $this->blockManager->createInstance($plugin_id);
}
// Determine the current region.
$block_config = $block_instance->getConfiguration();
if (isset($block_config['region']) && isset($regions[$block_config['region']])) {
$region = $block_config['region'];
} else {
$region = reset($regions);
}
// Wrap the form so that our AJAX submit can replace its contents.
$form['#prefix'] = '<div id="panels-ipe-block-plugin-form-wrapper">';
$form['#suffix'] = '</div>';
// Add our various card wrappers.
$form['flipper'] = ['#type' => 'container', '#attributes' => ['class' => 'flipper']];
$form['flipper']['front'] = ['#type' => 'container', '#attributes' => ['class' => 'front']];
$form['flipper']['back'] = ['#type' => 'container', '#attributes' => ['class' => 'back']];
$form['#attributes']['class'][] = 'flip-container';
// Get the base configuration form for this block.
$form['flipper']['front']['settings'] = $block_instance->buildConfigurationForm([], $form_state);
$form['flipper']['front']['settings']['context_mapping'] = $this->addContextAssignmentElement($block_instance, $this->panelsDisplay->getContexts());
$form['flipper']['front']['settings']['#tree'] = TRUE;
// Add the block ID, variant ID to the form as values.
$form['plugin_id'] = ['#type' => 'value', '#value' => $plugin_id];
$form['variant_id'] = ['#type' => 'value', '#value' => $panels_display->id()];
$form['uuid'] = ['#type' => 'value', '#value' => $uuid];
// Add a select list for region assignment.
$form['flipper']['front']['settings']['region'] = ['#title' => $this->t('Region'), '#type' => 'select', '#options' => $regions, '#required' => TRUE, '#default_value' => $region];
// Add an add button, which is only used by our App.
$form['submit'] = ['#type' => 'button', '#value' => $uuid ? $this->t('Update') : $this->t('Add'), '#ajax' => ['callback' => '::submitForm', 'wrapper' => 'panels-ipe-block-plugin-form-wrapper', 'method' => 'replace', 'progress' => ['type' => 'throbber', 'message' => '']]];
// Add a preview button.
$form['preview'] = ['#type' => 'button', '#value' => $this->t('Toggle Preview'), '#ajax' => ['callback' => '::submitPreview', 'wrapper' => 'panels-ipe-block-plugin-form-wrapper', 'method' => 'replace', 'progress' => ['type' => 'throbber', 'message' => '']]];
return $form;
}
