<?php
/**
 * @file
 * yui_editor Module for Drupal 5.x
 *
 * This module allows Drupal to replace textarea fields with YUI editor.
 */


/**
 * Implementation of hook_menu()
 *
 *
 */

function yui_editor_menu($may_cache) {

  if ($may_cache) {
  $items[] = array('path' => 'admin/settings/yui_editor',
    'title' => t('YUI editor settings'),
    'callback' => 'drupal_get_form',
    'callback arguments' => 'yui_editor_settings_form',
    'access' => user_access('administer site configuration'),
    'description' => t("View/Modify YUI editor settings"),
  );
  }

  //  Thank you block.module :)
  $path = drupal_get_path_alias($_GET['q']);
  $regexp = '/^('. preg_replace(array('/(\r\n?|\n)/', '/\\\\\*/', '/(^|\|)\\\\<front\\\\>($|\|)/'), array('|', '.*', '\1'. preg_quote(variable_get('site_frontpage', 'node'), '/') .'\2'), preg_quote(variable_get("yui_editor_include", ''), '/')) .')$/';
 
  $yui_include = variable_get("yui_editor_include", "");
  if(preg_match($regexp, $path) or empty($yui_include)) {
   render_editor();
  }

  return $items;
}


/**
   * implementation of hook_perm().
    */
function yui_editor_perm() {
    $array = array('Access YUI editor');
      return $array;
}


/**
 *The settings page.
 *
 **/
function yui_editor_settings_form() {

  $form['yui_editor_include'] = array('#type' => 'textarea',
                             '#title' => t('Paths'),
                             '#description' => t('Define where should YUI replace the body textarea, each path on a new line. You can use wildcards (*). (Leave blank for every form)'),
                             '#default_value' => variable_get('yui_editor_include', ''),
                             '#rows' => 5,
                             '#cols' => 60,
                           );
   $form['yui_editor_ids'] = array('#type' => 'textarea',
                             '#title' => t('IDs'),
                             '#description' => t('Define which textareas do you want the editor to replace, write the ID of each textarea on a seperate line. (if empty the editor will only replace the body textarea)'),
                             '#default_value' => variable_get('yui_editor_ids', ''),
                             '#rows' => 5,
                             '#cols' => 20,
                           );

 $form['yui_editor_height'] = array('#type' => 'textfield',
                              '#title' => t('Height'),
                              '#default_value' => variable_get('yui_editor_height', '300'),
                              '#description' => t('The height of the editor in pixels')
                            );
  $form['yui_editor_width'] = array('#type' => 'textfield',
                              '#title' => t('Width'),
                              '#default_value' => variable_get('yui_editor_width', '522'),
                              '#description' => t('The width of the editor in pixels')
                            );


  return system_settings_form($form);

}

/**
 * Add the javascript/CSS needed to render the editor 
 *
 **/

function render_editor() {
  if (!user_access('Access YUI editor')) {
    return;
  }

    $yui_source = variable_get('yui_source','http://yui.yahooapis.com/2.3.0');
    yui_add_css('editor', $yui_source, '/assets/dpSyntaxHighlighter.css');
    //yui_add_css('editor', $yui_source, '/build/container/assets/skins/sam/container.css');
    yui_add_css('editor', $yui_source, '/build/menu/assets/skins/sam/menu.css');
    yui_add_css('editor', $yui_source, '/build/button/assets/skins/sam/button.css');
    yui_add_css('editor', $yui_source, '/build/editor/assets/skins/sam/editor.css');
    yui_add_js('editor', $yui_source, '/build/utilities/utilities.js');
    yui_add_js('editor', $yui_source, '/build/container/container-min.js');
    yui_add_js('editor', $yui_source, '/build/menu/menu-min.js');
    yui_add_js('editor', $yui_source, '/build/button/button-beta-min.js');
    yui_add_js('editor', $yui_source, '/build/editor/editor-beta-min.js');

  drupal_add_js(drupal_get_path("module", "yui_editor")."/yui_editor.js");

  $ids = variable_get('yui_editor_ids', '');

  $textareas = array();
  if (!empty($ids)) {
    $textareas = explode("\r\n", $ids);
  }
  else {
    $textareas[] = 'edit-body';
  }

foreach($textareas as $id) {
  drupal_add_js("render_editor('".$id."', ".variable_get('yui_editor_height', '300').", ".variable_get('yui_editor_width', '500').");", "inline", "footer");
  }
}