emptyparagraphkiller.module in Empty paragraph killer 7

Empty paragraph killer: because users are sometimes overzealous with the return key.

File

emptyparagraphkiller.module

<?php

/**
 * @file
 * Empty paragraph killer: because users are sometimes overzealous
 * with the return key.
 */

/**
 * Implements hook_filter_info().
 */
function emptyparagraphkiller_filter_info() {
  $filters['emptyparagraphkiller'] = array(
    'title' => t('Empty paragraph filter'),
    'description' => t('When entering more than one carriage return, only the first will be honored.'),
    'prepare callback' => '_emptyparagraphkiller_prepare',
    'process callback' => '_emptyparagraphkiller_process',
    'tips callback' => '_emptyparagraphkiller_tips',
  );
  return $filters;
}

/**
 * Prepare callback for the emptyparagraphkiller filter.
 */
function _emptyparagraphkiller_prepare($text, $filter) {
  return preg_replace('/<p[^>]*>(&nbsp;|\\s)*<\\/p>/ui', '[empty-para]', $text);
}

/**
 * Process callback for the emptyparagraphkiller filter.
 */
function _emptyparagraphkiller_process($text, $filter) {
  return str_replace('[empty-para]', '', $text);
}

/**
 * Tips callback for emptyparagraphkiller
 */
function _emptyparagraphkiller_tips($filter, $format, $long) {
  if ($long) {
    return t('Your typing habits may include hitting the return key twice when completing a paragraph. This site will accomodate your habit, and ensure the content is in keeping with the the stylistic formatting of the site\'s theme.');
  }
  else {
    return t('Empty paragraph killer - multiple returns will not break the site\'s style.');
  }
}

Functions

Name	Description
emptyparagraphkiller_filter_info	Implements hook_filter_info().
_emptyparagraphkiller_prepare	Prepare callback for the emptyparagraphkiller filter.
_emptyparagraphkiller_process	Process callback for the emptyparagraphkiller filter.
_emptyparagraphkiller_tips	Tips callback for emptyparagraphkiller