class XPreview in BUEditor 8

Defines BUEditor Ajax Preview plugin.

Plugin annotation

@BUEditorPlugin(
  id = "xpreview",
  label = "Ajax Preview"
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\bueditor\BUEditorPluginBase implements BUEditorPluginInterface
      • class \Drupal\bueditor\Plugin\BUEditorPlugin\XPreview

File

src/Plugin/BUEditorPlugin/XPreview.php, line 20

Namespace

Drupal\bueditor\Plugin\BUEditorPlugin

class XPreview extends BUEditorPluginBase {

  /**
   * {@inheritdoc}
   */
  public function getButtons() {
    return [
      'xpreview' => $this
        ->t('Preview'),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function alterEditorJS(array &$js, BUEditorEditor $bueditor_editor, Editor $editor = NULL) {
    $toolbar = BUEditorToolbarWrapper::set($js['settings']['toolbar']);

    // Check ajax preview button.
    if ($toolbar
      ->has('xpreview')) {

      // Check access and add the library
      if (\Drupal::currentUser()
        ->hasPermission('access ajax preview')) {
        $js['libraries'][] = 'bueditor/drupal.bueditor.xpreview';
      }
      else {
        $toolbar
          ->remove('xpreview');
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function alterToolbarWidget(array &$widget) {

    // Make xpreview definition available to toolbar widget
    $widget['libraries'][] = 'bueditor/drupal.bueditor.xpreview';

    // Add a tooltip
    $widget['items']['xpreview']['tooltip'] = $this
      ->t('Requires ajax preview permission.');
  }

  /**
   * {@inheritdoc}
   */
  public function validateEditorForm(array &$form, FormStateInterface $form_state, BUEditorEditor $bueditor_editor) {

    // Warn about XPreview permission if it is newly activated.
    if (!$form_state
      ->getErrors()) {
      if ($bueditor_editor
        ->hasToolbarItem('xpreview')) {
        $ori = $bueditor_editor
          ->isNew() ? NULL : $bueditor_editor
          ->load($bueditor_editor
          ->id());
        if (!$ori || !$ori
          ->hasToolbarItem('xpreview')) {
          $msg = $this
            ->t('Ajax preview button has been enabled. Please check <a href="@url">the required permissions</a>.', [
            '@url' => Url::fromRoute('user.admin_permissions')
              ->toString(),
          ]);
          $this
            ->messenger()
            ->addMessage($msg);
        }
      }
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BUEditorPluginBase::alterEditorForm	public	function	Alters entity form of a BUEditor Editor. Overrides BUEditorPluginInterface::alterEditorForm
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object.	92
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
XPreview::alterEditorJS	public	function	Alters JS data of a BUEditor Editor. Overrides BUEditorPluginBase::alterEditorJS
XPreview::alterToolbarWidget	public	function	Alters the toolbar widget used in BUEditor Editor form. Overrides BUEditorPluginBase::alterToolbarWidget
XPreview::getButtons	public	function	Returns plugin buttons. Overrides BUEditorPluginBase::getButtons
XPreview::validateEditorForm	public	function	Validates entity form of a BUEditor Editor. Overrides BUEditorPluginBase::validateEditorForm