PresentationFormBase.php in Isotope (with Masonry and Packery) 8
Contains Drupal\isotope\Form\PresentationFormBase.
Namespace
Drupal\isotope\FormFile
src/Form/PresentationFormBase.phpView source
<?php
/**
* @file
* Contains Drupal\isotope\Form\PresentationFormBase.
*/
namespace Drupal\isotope\Form;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\Query\QueryFactory;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Link;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Class PresentationFormBase.
*
* @package Drupal\isotope\Form
*
* @ingroup isotope
*/
class PresentationFormBase extends EntityForm {
/**
* @var \Drupal\Core\Entity\Query\QueryFactory
*/
protected $entityQueryFactory;
/**
* Construct the PresentationFormBase.
*
* For simple entity forms, there's no need for a constructor. Our
* Presentation form base, however, requires an entity query factory to be
* injected into it from the container. We later use this query factory to
* build an entity query for the exists() method.
*
* @param \Drupal\Core\Entity\Query\QueryFactory $query_factory
* An entity query factory for the Presentation entity type.
*/
public function __construct(QueryFactory $query_factory) {
$this->entityQueryFactory = $query_factory;
}
/**
* Factory method for PresentationFormBase.
*
* When Drupal builds this class it does not call the constructor directly.
* Instead, it relies on this method to build the new object. Why? The class
* constructor may take multiple arguments that are unknown to Drupal. The
* create() method always takes one parameter -- the container. The purpose
* of the create() method is twofold: It provides a standard way for Drupal
* to construct the object, meanwhile it provides you a place to get needed
* constructor parameters from the container.
*
* In this case, we ask the container for an entity query factory. We then
* pass the factory to our class as a constructor parameter.
*/
public static function create(ContainerInterface $container) {
return new static($container
->get('entity.query'));
}
/**
* Overrides Drupal\Core\Entity\EntityFormController::form().
*
* Builds the entity add/edit form.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* An associative array containing the current state of the form.
*
* @return array
* An associative array containing the Presentation add/edit form.
*/
public function buildForm(array $form, FormStateInterface $form_state) {
// Get anything we need from the base class.
$form = parent::buildForm($form, $form_state);
// Drupal provides the entity to us as a class variable. If this is an
// existing entity, it will be populated with existing values as class
// variables. If this is a new entity, it will be a new object with the
// class of our entity. Drupal knows which class to call from the
// annotation on our Presentation class.
$presentation = $this->entity;
// Build the form.
$form['label'] = [
'#type' => 'textfield',
'#title' => $this
->t('Label'),
'#maxlength' => 255,
'#default_value' => $presentation
->label(),
'#required' => TRUE,
];
$form['id'] = [
'#type' => 'machine_name',
'#title' => $this
->t('Machine name'),
'#default_value' => $presentation
->id(),
'#machine_name' => [
'exists' => [
$this,
'exists',
],
'replace_pattern' => '([^a-z0-9_]+)|(^custom$)',
'error' => 'The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".',
],
'#disabled' => !$presentation
->isNew(),
];
// Layout Modes.
$layouts = [
'cellsByColumn' => t('cellsByColumn'),
'cellsByRow' => t('cellsByRow'),
'fitColumns' => t('fitColumns'),
'fitRows' => t('fitRows'),
'horiz' => t('horiz'),
'masonry' => t('masonry'),
'masonryHorizontal' => t('masonryHorizontal'),
'packery' => t('packery'),
'vertical' => t('vertical'),
];
$form['layout_mode'] = [
'#type' => 'radios',
'#options' => $layouts,
'#title' => t('Isotope Layout Mode'),
// '#description' => t('If desired options are disabled, you may need to install additional JS libraries. Refer to installation instructions.'),
'#default_value' => $presentation->layout_mode ? $presentation->layout_mode : 'masonry',
'#required' => FALSE,
];
// Non-layout plugins.
$plugins = [
'imagesloaded' => t('imagesloaded'),
];
$form['plugins'] = [
'#type' => 'checkboxes',
'#options' => $plugins,
'#title' => t('Additional Plugins'),
// '#description' => t('If desired options are disabled, you may need to install additional JS libraries.'),
'#default_value' => $presentation->plugins ? $presentation->plugins : [
'imagesloaded',
],
'#required' => FALSE,
'#tree' => TRUE,
];
$form['transition_duration'] = [
'#type' => 'textfield',
'#title' => t('Transition Duration'),
'#description' => t('In a format suitable for CSS transition-duration (e.g. "0.2s"). To disable all transitions, set to "0".'),
'#default_value' => $presentation->transition_duration,
'#required' => FALSE,
];
$form['url_filters'] = [
'#type' => 'select',
'#options' => [
0 => 'False',
1 => 'True',
],
'#title' => t('Use URL for Filters.'),
'#description' => t('Filters are represented in URL for benefit of browser history, bookmarking, etc.'),
'#default_value' => $presentation->url_filters,
'#required' => FALSE,
];
$form['is_fit_width'] = [
'#type' => 'select',
'#options' => [
0 => 'False',
1 => 'True',
],
'#title' => t('isFitWidth'),
'#description' => t("Sets the width of the container to fit the available number of columns, based the size of container's parent element. When enabled, you can center the container with CSS."),
'#default_value' => $presentation->is_fit_width,
'#required' => FALSE,
'#states' => [
'visible' => [
':input[name="layoutMode"]' => [
"value" => 'masonry',
],
],
],
];
$form['is_horizontal'] = [
'#type' => 'select',
'#options' => [
0 => 'False',
1 => 'True',
],
'#title' => t('isHorizontal'),
'#description' => t('Arranges items horizontally instead of vertically.'),
'#default_value' => $presentation->is_horizontal,
'#required' => FALSE,
'#states' => [
'visible' => [
':input[name="layoutMode"]' => [
"value" => 'packery',
],
],
],
];
$form['stamp'] = [
'#type' => 'textfield',
'#title' => t('Stamp Selector'),
'#description' => t('Specifies elements that are stamped within the layout. These are special layout elements which will not be laid out. Rather, Isotope will layout item elements below stamped elements.'),
'#default_value' => $presentation->stamp,
'#required' => FALSE,
'#states' => [
'visible' => [
[
[
':input[name="layoutMode"]' => [
'value' => 'masonry',
],
],
[
':input[name="layoutMode"]' => [
'value' => 'packery',
],
],
[
':input[name="layoutMode"]' => [
'value' => 'masonryHorizontal',
],
],
],
],
],
];
$form['horizontal_alignment'] = [
'#type' => 'textfield',
'#title' => t('Horizontal Alignment (decimal number 0 to 1)'),
'#description' => t('Aligns items horizontally. 0 will align the origin edge. 1 will align the opposite edge. 0.5 will align center.'),
'#default_value' => $presentation->horizontal_alignment,
'#required' => FALSE,
'#states' => [
'visible' => [
':input[name="layoutMode"]' => [
"value" => 'vertical',
],
],
],
];
$form['vertical_alignment'] = [
'#type' => 'textfield',
'#title' => t('Vertical Alignment (decimal number 0 to 1)'),
'#description' => t('Aligns items vertically. 0 will align the origin edge. 1 will align the opposite edge. 0.5 will align center.'),
'#default_value' => $presentation->vertical_alignment,
'#required' => FALSE,
'#states' => [
'visible' => [
':input[name="layoutMode"]' => [
"value" => 'horizontal',
],
],
],
];
$form['is_origin_left'] = [
'#type' => 'select',
'#options' => [
1 => 'Left to Right',
0 => 'Right to Left',
],
'#title' => t('Direction'),
'#description' => t('Layout direction (implements "isOriginLeft").'),
'#default_value' => $presentation->is_origin_left,
'#required' => FALSE,
];
// Return the form.
return $form;
}
/**
* Checks for an existing Presentation.
*
* @param string|int $entity_id
* The entity ID.
* @param array $element
* The form element.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return bool
* TRUE if this format already exists, FALSE otherwise.
*/
public function exists($entity_id, array $element, FormStateInterface $form_state) {
// Use the query factory to build a new Presentation entity query.
$query = $this->entityQueryFactory
->get('presentation');
// Query the entity ID to see if its in use.
$result = $query
->condition('id', $element['#field_prefix'] . $entity_id)
->execute();
// We don't need to return the ID, only if it exists or not.
return (bool) $result;
}
/**
* Overrides Drupal\Core\Entity\EntityFormController::actions().
*
* To set the submit button text, we need to override actions().
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* An associative array containing the current state of the form.
*
* @return array
* An array of supported actions for the current entity form.
*/
protected function actions(array $form, FormStateInterface $form_state) {
// Get the basic actions from the base class.
$actions = parent::actions($form, $form_state);
// Change the submit button text.
$actions['submit']['#value'] = $this
->t('Save');
// Return the result.
return $actions;
}
/**
* Overrides Drupal\Core\Entity\EntityFormController::validate().
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* An associative array containing the current state of the form.
*/
public function validate(array $form, FormStateInterface $form_state) {
parent::validate($form, $form_state);
// @TODO: validate config entity's form elements.
}
/**
* Overrides Drupal\Core\Entity\EntityFormController::save().
*
* Saves the entity. This is called after submit() has built the entity from
* the form values. Do not override submit() as save() is the preferred
* method for entity form controllers.
*
* @param array $form
* An associative array containing the structure of the form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* An associative array containing the current state of the form.
*/
public function save(array $form, FormStateInterface $form_state) {
// EntityForm provides us with the entity we're working on.
$presentation = $this
->getEntity();
// Drupal already populated the form values in the entity object. Each
// form field was saved as a public variable in the entity class. PHP
// allows Drupal to do this even if the method is not defined ahead of
// time.
$status = $presentation
->save();
// Grab the URL of the new entity. We'll use it in the message.
$url = $presentation
->toUrl();
// Create an edit link.
$edit_link = Link::fromTextAndUrl($this
->t('Edit'), $url)
->toString();
if ($status == SAVED_UPDATED) {
// If we edited an existing entity...
drupal_set_message($this
->t('Presentation %label has been updated.', [
'%label' => $presentation
->label(),
]));
$this
->logger('contact')
->notice('Presentation %label has been updated.', [
'%label' => $presentation
->label(),
'link' => $edit_link,
]);
}
else {
// If we created a new entity...
drupal_set_message($this
->t('Presentation %label has been added.', [
'%label' => $presentation
->label(),
]));
$this
->logger('contact')
->notice('Presentation %label has been added.', [
'%label' => $presentation
->label(),
'link' => $edit_link,
]);
}
// Redirect the user back to the listing route after the save operation.
$form_state
->setRedirect('entity.presentation.list');
}
}
Classes
Name | Description |
---|---|
PresentationFormBase | Class PresentationFormBase. |