collapsiblock.module in Collapsiblock 8

Make blocks collapsible.

File

collapsiblock.module

<?php

/**
 * @file
 * Make blocks collapsible.
 */
use Drupal\Core\Form\FormStateInterface;
use Drupal\block\Entity\Block;

/**
 * Implements hook_form_FORM_ID_alter().
 */
function collapsiblock_form_block_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $default_config = \Drupal::config('collapsiblock.settings');
  if (!empty($form['id']['#default_value'])) {
    $block = Block::load($form['id']['#default_value']);
    if ($block) {
      $default_state = $block
        ->get('collapsiblock');
      $settings['collapse_type'] = $default_state['block-' . str_replace('_', '-', $block
        ->get('id'))];
    }
  }
  $form['collapsiblock_settings'] = [
    '#type' => 'details',
    '#title' => t('Collapsible'),
    '#open' => TRUE,
  ];
  $form['collapsiblock_settings']['collapse_type'] = [
    '#type' => 'radios',
    '#title' => t('Block collapse behavior'),
    '#options' => [
      1 => t('None.'),
      2 => t('Collapsible, expanded by default.'),
      3 => t('Collapsible, collapsed by default.'),
      4 => t('Collapsible, collapsed all the time.'),
    ],
    '#default_value' => !empty($settings['collapse_type']) ? $settings['collapse_type'] : $default_config
      ->get('default_state'),
  ];
  $form['actions']['submit']['#submit'][] = 'collapsiblock_submit';
}

/**
 * Block form submit callback.
 */
function collapsiblock_submit(array &$form, FormStateInterface $form_state) {
  $settings = $form_state
    ->getValues();
  if (!empty($form['id']['#default_value'])) {

    // Set default values for config which require dynamic values.
    \Drupal::configFactory()
      ->getEditable('block.block.' . $form['id']['#default_value'])
      ->set('collapsiblock.block-' . str_replace('_', '-', $settings['id']), $settings['collapsiblock_settings']['collapse_type'])
      ->save();
  }
}

/**
 * Implements hook_page_attachments().
 */
function collapsiblock_page_attachments(array &$attachments) {
  $default_config = \Drupal::config('collapsiblock.settings');
  $theme_name = \Drupal::theme()
    ->getActiveTheme()
    ->getName();

  // Theme settings.
  $collapsiblock_title = !empty(theme_get_setting('collapsiblock_title', $theme_name)) ? theme_get_setting('collapsiblock_title', $theme_name) : $default_config
    ->get('title');
  $collapsiblock_block = !empty(theme_get_setting('collapsiblock_block', $theme_name)) ? theme_get_setting('collapsiblock_block', $theme_name) : $default_config
    ->get('block');
  $collapsiblock_content = !empty(theme_get_setting('collapsiblock_content', $theme_name)) ? theme_get_setting('collapsiblock_content', $theme_name) : $default_config
    ->get('content');

  // Load all blocks.
  $blocks = Block::loadMultiple();
  if (!empty($blocks)) {
    $collapsi_blocks = [];
    foreach ($blocks as $key => $block) {
      if (!empty($block
        ->get('collapsiblock'))) {
        $collapsi_blocks['collapsiblock.block-' . str_replace('_', '-', $key)] = $block
          ->get('collapsiblock.block-' . str_replace('_', '-', $key));
      }
    }

    // Add block settings for js.
    $attachments['#attached']['drupalSettings']['collapsiblock']['blocks'] = $collapsi_blocks;
    $attachments['#attached']['drupalSettings']['collapsiblock']['default_state'] = $default_config
      ->get('default_state');
    $attachments['#attached']['drupalSettings']['collapsiblock']['active_pages'] = $default_config
      ->get('active_pages');
    $attachments['#attached']['drupalSettings']['collapsiblock']['slide_type'] = $default_config
      ->get('slide_type');
    $attachments['#attached']['drupalSettings']['collapsiblock']['slide_speed'] = $default_config
      ->get('slide_speed');
    $attachments['#attached']['drupalSettings']['collapsiblock']['block_title'] = $collapsiblock_title;
    $attachments['#attached']['drupalSettings']['collapsiblock']['block'] = $collapsiblock_block;
    $attachments['#attached']['drupalSettings']['collapsiblock']['block_content'] = $collapsiblock_content;

    // Load css and js libraries.
    $attachments['#attached']['library'][] = 'collapsiblock/corescripts';
  }
}

/**
 * Implements hook_form_system_theme_settings_alter().
 */
function collapsiblock_form_system_theme_settings_alter(&$form, FormStateInterface $form_state) {
  $default_config = \Drupal::config('collapsiblock.settings');
  $build_info = $form_state
    ->getBuildInfo();
  $theme_name = $build_info['args'][0];

  // Add new fields for default settings.
  $form['collapsiblock'] = [
    '#type' => 'details',
    '#title' => t('Collapsiblock selectors'),
    '#open' => TRUE,
    '#description' => t("Force <a href='http://api.jquery.com/category/selectors/'>CSS selector</a> if collapsiblock doesn't work out of the box"),
    '#weight' => 0,
    '#attributes' => [
      'id' => 'collapsiblock_form',
    ],
  ];
  $form['collapsiblock']['collapsiblock_block'] = [
    '#type' => 'textfield',
    '#title' => t('Block'),
    '#default_value' => !empty(theme_get_setting('collapsiblock_block', $theme_name)) ? theme_get_setting('collapsiblock_block', $theme_name) : $default_config
      ->get('block'),
  ];
  $form['collapsiblock']['collapsiblock_title'] = [
    '#type' => 'textfield',
    '#title' => t('Title'),
    '#default_value' => !empty(theme_get_setting('collapsiblock_title', $theme_name)) ? theme_get_setting('collapsiblock_title', $theme_name) : $default_config
      ->get('title'),
  ];
  $form['collapsiblock']['collapsiblock_content'] = [
    '#type' => 'textfield',
    '#title' => t('Block content'),
    '#default_value' => !empty(theme_get_setting('collapsiblock_content', $theme_name)) ? theme_get_setting('collapsiblock_content', $theme_name) : $default_config
      ->get('content'),
  ];
}

Functions

Name	Description
collapsiblock_form_block_form_alter	Implements hook_form_FORM_ID_alter().
collapsiblock_form_system_theme_settings_alter	Implements hook_form_system_theme_settings_alter().
collapsiblock_page_attachments	Implements hook_page_attachments().
collapsiblock_submit	Block form submit callback.