share42.module in Share42 - social sharing buttons 7

Main file for the Share42 module.

File

share42.module

<?php

/**
 * @file
 * Main file for the Share42 module.
 */

/**
 * Implements hook_help().
 */
function share42_help($path, $arg) {
  switch ($path) {
    case 'admin/help#share42':
      $output = '';
      $output .= '<h3>' . t('Introduction') . '</h3>';
      $output .= '<p>' . t('Integration of social sharing buttons script from http://share42.com.') . '</p>';
      $output .= '<h3>' . t('Installation') . '</h3>';
      $output .= '<p>' . t('Configure required services at <a href="!site">http://share42.com</a> and then download and unpack into "sites/all/libraries/share42" folder.', array(
        '!site' => 'http://share42.com',
      )) . '</p>';
      return $output;
  }
}

/*
 * Implements hook_block_info().
 */
function share42_block_info() {
  $blocks['share42'] = array(
    'info' => t('Share42 - social sharing buttons block'),
    'cache' => DRUPAL_CACHE_GLOBAL,
  );
  return $blocks;
}

/**
 * Implements hook_block_configure().
 */
function share42_block_configure($delta = '') {
  if ($delta == 'share42') {
    $form = array();
    $form['share42_top1'] = array(
      '#title' => t('Offset without scroll'),
      '#description' => t('Distance from the top of the page to the "sticky" panel (in pixels).'),
      '#default_value' => variable_get('share42_top1', 200),
    );
    $form['share42_top2'] = array(
      '#title' => t('Offset with scroll'),
      '#description' => t('Distance from the top of the visible area of ​​the page to the floating panel (in pixels).'),
      '#default_value' => variable_get('share42_top2', 50),
    );
    $form['share42_margin'] = array(
      '#title' => t('Horizontal margin'),
      '#description' => t('Horizontal displacement of the panel. If you want to move it to the left, for example, by 70 pixels, set the value to "-70", but if you want to move it to the right, for example, by 50 pixels, set this value to "50".'),
      '#default_value' => variable_get('share42_margin', -70),
    );
    foreach ($form as $key => $value) {
      $form[$key]['#type'] = 'textfield';
      $form[$key]['#size'] = 3;
      $form[$key]['#maxlength'] = 4;
      $form[$key]['#element_validate'] = array(
        'element_validate_number',
      );
    }
    return $form;
  }
}

/**
 * Implements hook_block_save().
 */
function share42_block_save($delta = '', $edit = array()) {
  if ($delta == 'share42') {
    variable_set('share42_top1', $edit['share42_top1']);
    variable_set('share42_top2', $edit['share42_top2']);
    variable_set('share42_margin', $edit['share42_margin']);
  }
}

/**
 * Implements hook_block_view().
 */
function share42_block_view($delta = '') {
  if ($delta == 'share42') {
    $block = array();
    $block['subject'] = '';
    $block['content'] = array(
      '#theme' => 'html_tag',
      '#tag' => 'div',
      '#attributes' => array(
        'class' => 'share42init',
        'data-url' => url(current_path(), array(
          'absolute' => TRUE,
        )),
        'data-title' => drupal_get_title(),
        'data-path' => base_path() . _share42_library_path() . '/',
        'data-top1' => variable_get('share42_top1', 200),
        'data-top2' => variable_get('share42_top2', 50),
        'data-margin' => variable_get('share42_margin', -70),
      ),
      '#value' => '',
      //so it renders the div correctly
      '#attached' => array(
        'js' => array(
          _share42_library_path() . '/share42.js' => array(
            'scope' => 'footer',
          ),
        ),
        'css' => array(
          drupal_get_path('module', 'share42') . '/css/share42.css',
        ),
      ),
    );
    return $block;
  }
}

/**
 * Returns the path to the Share42 library.
 */
function _share42_library_path() {
  $library_path =& drupal_static(__FUNCTION__, NULL);
  if (is_null($library_path)) {
    $library_path = variable_get('share42_library_path', module_exists('libraries') ? libraries_get_path('share42') : 'sites/all/libraries/share42');
    if (!file_exists($library_path . '/share42.js')) {
      watchdog('share42', 'Share42 library is missing.', array(), WATCHDOG_ERROR);
      $library_path = FALSE;
    }
  }
  return $library_path;
}

/**
 * Returns version of the Share42 library.
 */
function _share42_library_version() {
  $version =& drupal_static(__FUNCTION__, NULL);
  if (is_null($version) && ($library_path = _share42_library_path())) {
    $pattern = '/share42.com \\| ([0-9\\.]+)/';
    $share42_js = file_get_contents($library_path . '/share42.js', NULL, NULL, 0, 32);
    if (preg_match($pattern, $share42_js, $matches)) {
      $version = $matches[1];
    }
    else {
      $version = 'Unknown';
    }
  }
  return $version;
}

Functions

Name	Description
share42_block_configure	Implements hook_block_configure().
share42_block_info
share42_block_save	Implements hook_block_save().
share42_block_view	Implements hook_block_view().
share42_help	Implements hook_help().
_share42_library_path	Returns the path to the Share42 library.
_share42_library_version	Returns version of the Share42 library.