<?php
// $Id: i18npanels.module,v 0
/**
 * Callback function to supply a list of content types.
 */
function i18npanels_panels_content_types() {
  $items['i18n_custom'] = array(
    'callback' => 'i18npanels_panels_content_custom',
    'admin' => 'i18npanels_panels_admin_custom',
  );
  return $items;
}

/**
 * Output function for the 'custom' content type. Outputs a custom
 * based on the module and delta supplied in the configuration.
 */
function i18npanels_panels_content_custom($conf) {
  if (module_exists('i18n')) {
    $lang = i18n_get_lang();
    if ($conf[$lang]) {
      $conf['title'] = $conf[$lang]['title'];
      $conf['body'] = $conf[$lang]['body'];
      $conf['format'] = $conf[$lang]['format'];
    }
  }
  $title      = filter_xss_admin($conf['title']);
  $css_id     = filter_xss_admin($conf['css_id']);
  $css_class  = filter_xss_admin($conf['css_class']);
  $body       = check_markup($conf['body'], $conf['format'], FALSE);
  return theme('i18npanels_panels_content_custom', $title, $body, $css_id, $css_class);
}

function theme_i18npanels_panels_content_custom($title, $body, $css_id = NULL, $css_class = NULL) {
  if ($css_id) {
    $css_id = ' id="'. $css_id .'"';
  }
  if ($css_class) {
    $css_class = ' '. $css_class;
  }
  $output = '<div class="panel-custom'. $css_class .'"'. $css_id .'>';
  if ($title) {
    $output .= '<h2 class="title">'.$title.'</h2>';
  }
  $output .= $body;
  $output .= '</div>';
  return $output;
}

/** 
 * Callback to perform administrative functions on the content block
 */
function i18npanels_panels_admin_custom($op, &$arg, $parents = NULL) {
  switch ($op) {
    case 'list':
      $conf = $arg;
             
        $current_lang = i18n_get_lang();
        return '<strong>Custom</strong>: ' . filter_xss_admin($conf['meta_title']);
        
    case 'add button':      
        $form['meta_title'] = array(
          '#title' => t('Custom i18n content: Description of this content for the admin'),
          '#type' => 'textfield',
          '#maxlength' => 512,
          '#weight'  => -10,
        );
      $form['submit'] = array(
        '#type' => 'button',
        '#value' => t('Add custom (i18n)'),
      );
      $form['#prefix'] = '<div class="container-inline">';
      $form['#suffix'] = '</div>';
      return $form;
    case 'add':
      if ($_POST['op'] != t('Add custom (i18n)')) {
        return;
      }
      return $arg;
    case 'edit':
      $conf = &$arg;
      $title_field = array(
          '#type' => 'textfield',
          '#default_value' => $conf['title'],
          '#title' => t('Title'),
          '#description' => t('Title'),
          '#size' => 15,
        );
        
       $body_field = array(
          '#title' => t('Body'),
          '#type' => 'textarea',
          '#default_value' => $conf['body'],
          '#rows' => 10,
          '#cols' => 20,
        );
        
          
          $form['meta_title'] = array(
          '#title' => t('Custom i18n content: Description of this content for the admin'),
          '#type' => 'textfield',
          '#maxlength' => 512,
          '#weight'  => -10,
          '#default_value' => $conf['meta_title']
          );
        
          foreach (i18n_languages() as $iso => $lang) {
            $form[$iso] = array(
              '#type' => 'fieldset',
              '#title' => $lang,
              '#collapsible' => TRUE,
              '#collapsed' => TRUE,
            );
            
            
            $form[$iso]['title'] = $title_field;
            $form[$iso]['body'] = $body_field;          
            $form[$iso]['title']['#default_value'] = $conf[$iso]['title'];
            $form[$iso]['body']['#default_value'] = $conf[$iso]['body'];
            $form[$iso]['format'] = filter_form($conf[$iso]['format'], NULL, array_merge($parents, array($iso, 'format')));
          }
      
      $form['css_id'] = array(
        '#type' => 'textfield',
        '#default_value' => $conf['css_id'],
        '#title' => t('CSS ID'),
        '#description' => t('CSS ID of this custom content.'),
        '#weight' => 2,
        '#size' => 15,
      );
      $form['css_class'] = array(
        '#type' => 'textfield',
        '#default_value' => $conf['css_class'],
        '#title' => t('CSS class'),
        '#description' => t('CSS class of this custom content.'),
        '#weight' => 2,
        '#size' => 15,
      );
      return $form;
    case 'validate':
      $form = &$arg;
      return;
    case 'save':
      
      $form = &$arg;
      return $form;
  }
}