smiley.module in Smiley 7

Implements the necessary hooks.

File

smiley.module

<?php

/**
 * @file
 * Implements the necessary hooks.
 */

/**
 * Implements hook_stream_wrappers().
 */
function smiley_stream_wrappers() {
  return array(
    'smiley' => array(
      'name' => t('Smiley images'),
      'class' => 'SmileyStreamWrapper',
      'description' => t('Smiley images.'),
      'type' => STREAM_WRAPPERS_LOCAL_NORMAL,
    ),
  );
}

/**
 * Implements hook_menu().
 */
function smiley_menu() {
  $items = array();
  $items['admin/config/content/smiley'] = array(
    'title' => 'Smileys',
    'description' => 'Customize your smiley.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'smiley_overview_form',
    ),
    'access arguments' => array(
      'administer smiley',
    ),
    'file' => 'smiley.admin.inc',
  );
  $items['admin/config/content/smiley/view'] = array(
    'title' => 'View',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'weight' => -10,
  );
  $items['admin/config/content/smiley/settings'] = array(
    'title' => 'Settings',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'smiley_settings_form',
    ),
    'access arguments' => array(
      'administer smiley',
    ),
    'weight' => 0,
    'type' => MENU_LOCAL_TASK,
    'file' => 'smiley.admin.inc',
  );
  $items['admin/config/content/smiley/import'] = array(
    'title' => 'Import',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'smiley_import_form',
    ),
    'access arguments' => array(
      'administer smiley',
    ),
    'weight' => 1,
    'type' => MENU_LOCAL_TASK,
    'file' => 'smiley.admin.inc',
  );
  return $items;
}

/**
 * Implements hook_theme().
 */
function smiley_theme() {
  return array(
    'smiley_overview_form' => array(
      'file' => 'smiley.admin.inc',
      'render element' => 'form',
    ),
  );
}

/**
 * Implements hook_permission().
 */
function smiley_permission() {
  return array(
    'administer smiley' => array(
      'title' => t('Administer smiley'),
      'restrict access' => TRUE,
    ),
  );
}

/**
 * Implements hook_filter_info().
 */
function smiley_filter_info() {
  $filters['smiley'] = array(
    'title' => t('Smileys filter'),
    'description' => t('Replaces textual smiley inside posts with images.'),
    'process callback' => 'smiley_filter_process',
    'tips callback' => 'smiley_filter_tips',
  );
  return $filters;
}

/**
 * Smileys filter process callback.
 */
function smiley_filter_process($text, $filter, $format) {
  $smileys = smiley_get_all();
  return smiley_process_text($text, $smileys);
}

/**
 * Replaces smile codes in the text by corresponded images.
 */
function smiley_process_text($text, $smileys) {
  global $base_path;
  $output = '';
  $ignore = 0;
  $packs_path = variable_get('smiley_path', drupal_get_path('module', 'smiley') . '/packs');
  $css_class = check_plain(variable_get('smiley_css_class', ''));
  if (!empty($css_class)) {
    $css_class = 'class="' . $css_class . '" ';
  }
  $chunks = preg_split('#(</?(?:code|pre)[^>]*>)#i', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
  foreach ($chunks as $chunk) {
    if (preg_match('#(</?)(code|pre)[^>]*(>)#i', $chunk, $matches)) {
      $tag = $matches[1] . $matches[2] . $matches[3];
      if ($tag == '<code>' || $tag == '<pre>') {
        $ignore++;
      }
      elseif ($tag == '</code>' || $tag == '</pre>') {
        $ignore--;
      }
    }
    elseif ($chunk && !$ignore) {
      foreach ($smileys as $smiley) {
        $image = '<img src="' . file_create_url('smiley://' . $smiley->uri) . '" alt="' . $smiley->description . '" ' . $css_class . '/>';
        $acronyms = explode(' ', $smiley->acronyms);
        foreach ($acronyms as $acronym) {
          if (strlen($acronym) == 0) {
            continue;
          }
          $chunk = preg_replace('~(?<=^|>|\\s|&nbsp;)(' . preg_quote($acronym, '~') . ')(?=$|</|<area\\s*/?>|<base\\s*/?>|<br\\s*/?>|<col\\s*/?>|<command\\s*/?>|<embed\\s*/?>|<hr\\s*/?>|<img\\s*/?>|<input\\s*/?>|<link\\s*/?>|<meta\\s*/?>|<param\\s*/?>|<source\\s*/?>|\\s|&nbsp;)~U', $image, $chunk);
        }
      }
    }
    $output .= $chunk;
  }
  return $output;
}
function smiley_get_all() {
  $cache =& drupal_static(__FUNCTION__);
  if (!isset($cache)) {
    $cache = db_query('SELECT * FROM {smiley} WHERE status=1')
      ->fetchAll();
  }
  return $cache;
}

/**
 * Returns HTML for a table containing the list of smileys.
 *
 * @return string
 *   An HTML string containing a table of text shortcuts and the smileys they
 *   will be replaced with.
 */
function smiley_filter_tips_table() {
  $form = array();
  $rows = array();
  $header = array(
    t('Smiley'),
    t('Acronyms'),
  );
  $packs_path = variable_get('smiley_path', drupal_get_path('module', 'smiley') . '/packs');
  $result = db_query('SELECT * FROM {smiley} WHERE status = 1');
  foreach ($result as $smiley) {
    $acronyms = explode(' ', $smiley->acronyms);
    $rows[] = array(
      '<img src="' . check_url($GLOBALS['base_url'] . '/' . $packs_path . '/' . $smiley->uri) . '" alt="' . $acronyms[0] . '" title="' . check_plain($smiley->description) . '" class="smiley-class" />',
      check_plain($smiley->acronyms),
    );
  }
  $form['smiley_table'] = array(
    '#markup' => theme('table', array(
      'header' => $header,
      'rows' => $rows,
    )),
  );
  return drupal_render($form);
}

/**
 * Return HTML for filter tips.
 *
 * @param object $filter
 *   An object representing the filter.
 * @param object $format
 *   An object representing the text format the filter is contained in.
 * @param bool $long
 *   Whether this callback should return a short tip to display in a form
 *   (FALSE), or whether a more elaborate filter tips should be returned for
 *   theme_filter_tips() (TRUE).
 *
 * @return string
 *   Translated text to display as a tip.
 */
function smiley_filter_tips($filter, $format, $long = FALSE) {
  if ($long) {
    return t('If you include a textual smiley in your post (see chart below), it will be replaced by a graphical smiley.') . '<br />' . smiley_filter_tips_table();
  }
  else {
    return t('<a href="!smiley_help">Textual smiley</a> will be replaced with graphical ones.', array(
      '!smiley_help' => url('filter/tips', array(
        'fragment' => 'filter-smiley',
      )),
    ));
  }
}

Functions

Name	Description
smiley_filter_info	Implements hook_filter_info().
smiley_filter_process	Smileys filter process callback.
smiley_filter_tips	Return HTML for filter tips.
smiley_filter_tips_table	Returns HTML for a table containing the list of smileys.
smiley_get_all
smiley_menu	Implements hook_menu().
smiley_permission	Implements hook_permission().
smiley_process_text	Replaces smile codes in the text by corresponded images.
smiley_stream_wrappers	Implements hook_stream_wrappers().
smiley_theme	Implements hook_theme().