code-example-blocks/lytical_blocks.module at master · akalata/code-example-blocks · GitHub

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<?php

function lytical_social_media_services() {
  return array(
    // Field name => fontawesome-class
    'Drupal' => 'drupal',
    'Twitter' => 'twitter-square',
    'LinkedIn' => 'linkedin-square',
    'Github' => 'github-alt',
    'RSS' => 'rss-square',
  );
}

/**
 * Implementation of hook_block_info().
 */
function lytical_blocks_block_info() {
  $blocks['copyright'] = array(
    'info' => t('Copyright block with dynamic year'),
  );
  $blocks['social_media_links'] = array(
    'info' => t('Social media links'),
  );

  return $blocks;
}

/**
 * Implements hook_block_configure().
 */
function lytical_blocks_block_configure($delta = '') {
  if ($delta == 'social_media_links') {
    $form = array();
    $services = lytical_social_media_services();
    foreach ($services as $service => $class) {
      $lower = strtolower($service);
      $form['lytical_blocks_' . $lower] = array(
        '#type' => 'textfield',
        '#title' => $service . ' link',
        '#default_value' => variable_get('lytical_blocks_' . $lower, '')
      );
    }
    return $form;
  }
}

/**
 * Implements hook_block_save().
 */
function lytical_blocks_block_save($delta = '', $edit = array()) {
  if ($delta == 'social_media_links') {
    $services = lytical_social_media_services();
    foreach ($services as $service => $class) {
      $lower = strtolower($service);
      if ($edit['lytical_blocks_' . $lower] != '') {
        variable_set('lytical_blocks_' . $lower, $edit['lytical_blocks_' . $lower]);
      }
    }
  }

}
/**
 * Implementation fo hook_block_view().
 */
function lytical_blocks_block_view($delta = '') {
  $block = array();

  switch ($delta) {
    case 'copyright':
      $block['content'] = '<p>' . t('&copy !year. All Rights Reserved.', array('!year' => date('Y'))) . '</p>';
      break;

    case 'social_media_links':
      $items = array();
      $services = lytical_social_media_services();
      foreach ($services as $service => $class) {
        $lower = strtolower($service);
        if (variable_get('lytical_blocks_' . $lower)) {
          $items[] = l('<i class="fa fa-' . $class . '"></i>', variable_get('lytical_blocks_' . $lower), array('html' => TRUE));
        }
      }
      $variables = array(
        'items' => $items,
        'type' => 'ul'
      );
      $block['content']['#markup'] = theme('item_list', $variables);
      $block['content']['#attached'] = array('libraries_load' => array(array('fontawesome')));
      break;
  }
  return $block;
}