bootstrap_field.module in Bootstrap Core 7.3

File

bootstrap_field/bootstrap_field.module

<?php

/**
 * @file
 * bootstrap_field.module
 */
require_once dirname(__FILE__) . '/includes/carousel.inc';

/**
 * Implements hook_image_default_styles().
 */
function bootstrap_field_image_default_styles() {
  $styles['bootstrap_carousel'] = array(
    'label' => t('Bootstrap carousel image'),
    'effects' => array(
      array(
        'name' => 'image_scale_and_crop',
        'data' => array(
          'width' => 1200,
          'height' => 450,
        ),
        'weight' => 0,
      ),
    ),
  );
  return $styles;
}

/**
 * Implements hook_field_formatter_info().
 */
function bootstrap_field_field_formatter_info() {
  $formatters = array(
    'bootstrap_carousel' => array(
      'label' => t('Bootstrap Carousel'),
      'field types' => array(
        'image',
      ),
      'settings' => array(
        // Due to a bug in core, the "image_style" key used here must be
        // prefixed so it isn't overridden by the original field type "image"
        // settings, which defaults to being empty; "Original image".
        'bootstrap_carousel_image_style' => 'bootstrap_carousel',
        'interval' => 5000,
        'controls' => 1,
        'indicators' => 1,
        'pause' => 1,
        'wrap' => 1,
      ),
    ),
  );
  return $formatters;
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function bootstrap_field_form_field_ui_field_edit_form_alter(&$form, &$form_state, $context) {

  // Add a Bootstrap carousel title and description option for all image fields.
  if ($form['#field']['type'] === 'image') {
    $settings = $form['#instance']['widget']['settings'];
    $form['instance']['widget']['settings']['bootstrap_carousel'] = array(
      '#type' => 'checkbox',
      '#title' => t('Enable <em>Bootstrap Carousel</em> captions'),
      '#description' => t('Allows each image of the carousel to contain individual caption settings: title, description and URL.'),
      '#default_value' => $settings['bootstrap_carousel'],
      '#weight' => 12,
    );
  }
}

/**
 * Implements hook_field_widget_info_alter().
 */
function bootstrap_field_field_widget_info_alter(&$info) {

  // Add a setting to a widget type.
  $info['image_image']['settings'] += array(
    'bootstrap_carousel' => FALSE,
  );
}

/**
 * Implements hook_field_widget_form_alter().
 */
function bootstrap_field_field_widget_form_alter(&$element, &$form_state, $context) {
  if ($context['field']['module'] === 'image' && $context['field']['type'] === 'image' && $context['instance']['widget']['settings']['bootstrap_carousel']) {
    foreach (element_children($element) as $delta) {
      $element[$delta]['#process'][] = 'bootstrap_field_image_widget_carousel_process';
      $element[$delta]['#file_value_callbacks'][] = 'bootstrap_field_image_widget_carousel_value';
    }
  }
}

Functions

Name	Description
bootstrap_field_field_formatter_info	Implements hook_field_formatter_info().
bootstrap_field_field_widget_form_alter	Implements hook_field_widget_form_alter().
bootstrap_field_field_widget_info_alter	Implements hook_field_widget_info_alter().
bootstrap_field_form_field_ui_field_edit_form_alter	Implements hook_form_FORM_ID_alter().
bootstrap_field_image_default_styles	Implements hook_image_default_styles().