<?php
// $Id: gallery_assist_ic.module,v 1.4 2010/03/17 02:39:40 jcmc Exp $

/**
 * @file
 * Manage the format settings from Gallery Assist and help the module to display the gallery content with ImageCache.
 */

/*
 * Implementation of hook_form_alter().
 */
function gallery_assist_ic_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'gallery_assist_settings_extras') {
    $form['#submit'][] = 'gallery_assist_ic_nodetypes_submit';
  }

  if ($form_id == 'gallery_assist_settings') {
    $form['#submit'][] = 'gallery_assist_ic_settings_submit';
  }
}

/*
 * Save gallery_assist more settings.
 */
function gallery_assist_ic_settings_submit(&$form, $form_state) {
  static $reset = FALSE;
  if (!$reset) {
    //if (!$w = gallery_assist_invalidate_cache("*")) {
    //  drupal_set_message('Konnte die ga-cache tabelle nicht löschen. '. $w, 'error');
    //}
    db_query("TRUNCATE TABLE {cache_gallery_assist_data}");
  }
  $node_types = node_get_types();

  foreach ($node_types as $type => $value) {
    if ($form_state['values']['gallery_assist_' . $type . '_change'] == TRUE) {
      $thm  = imagecache_preset($form_state['values']['gallery_assist_' . $type . '_thm_presetid']);
      $prev = imagecache_preset($form_state['values']['gallery_assist_' . $type . '_prev_presetid']); 

      $gallery_assist_ic_update_data = array(
        'thm_presetid'    => $form_state['values']['gallery_assist_' . $type . '_thm_presetid'],
        'prev_presetid'   => $form_state['values']['gallery_assist_' . $type . '_prev_presetid'],
        'thm_presetname'  => $thm['presetname'],
        'prev_presetname' => $prev['presetname'],
        'use_imagecache'  => 1,
        'thm_holder' => $thm['actions'][count($thm['actions']) - 1]['data']['width'],
        'prev_holder' => $prev['actions'][count($prev['actions']) - 1]['data']['width'],
      );

      variable_set('gallery_assist_' . $type . '_ic_data', $gallery_assist_ic_update_data);
    }
  }
}

/**
 * Save extra settings for assigments when gallery_assist work with ImageCache. 
 */
function gallery_assist_ic_nodetypes_submit(&$form, $form_state) {
  gallery_assist_invalidate_cache();
  $node_types = node_get_types();

  unset($node_types['gallery_assist']);

  $defaults = variable_get('gallery_assist_default_ic_data', FALSE);

  foreach ($node_types as $type) {
    if ($form_state['values']['gallery_assist_' . $type->type .'_changed'] != $form_state['values']['gallery_assist_' . $type->type]) {
      if ($form_state['values']['gallery_assist_' . $type->type] == 1) {
        variable_set('gallery_assist_' . $type->type . '_ic_data', $defaults);
      }
      else {
        variable_set('gallery_assist_' . $type->type . '_ic_data', FALSE);
      }      
    }
  }
}

/**
 * Generate and manage imagecache presets for existing galleries from gallery assist or assigments. 
 */
function gallery_assist_generate_ic_preset(&$type, &$data = array()) {
  module_load_include('inc', 'gallery_assist_ic', 'gallery_assist_ic_presets');

  return gallery_assist_presets_maker($type, $data);

}