<?php
// $Id: views_nivo_slider.module,v 1.1.2.8.2.2 2010/06/18 15:04:17 pedrofaria Exp $
/**
 * @file
 *  The implementation of Views Nivo Slider module.
 */

/**
 * Implementation of hook_views_api().
 */
function views_nivo_slider_views_api() {
  return array('api' => 2);
}

/**
 * Implementation of template preprocess for the view
 */
function template_preprocess_views_nivo_slider_view(&$vars) {
  $view    = $vars['view'];
  $options = $vars['options'];

  $vars['views_nivo_slider_id'] = 'views-nivo-slider-'. $view->name .'-'. $view->current_display;

  $cfg = array();
  $params = array(
    'startSlide'       => 0,
    'effect'           => $options['effect'],
    'slices'           => (int) $options['slices'],
    'animSpeed'        => (int) $options['animSpeed'],
    'pauseTime'        => (int) $options['pauseTime'],
    'directionNav'     => $options['directionNav'] == 'true' ? TRUE : FALSE,
    'directionNavHide' => $options['directionNavHide'] == 'true' ? TRUE : FALSE,
    'controlNav'       => $options['controlNav'] != 'disabled' ? TRUE : FALSE,
    'controlNavThumbs' => FALSE,
    'controlNavThumbsFromRel' => FALSE,
    //'controlNavThumbsSearch'  => '',
    //'controlNavThumbsReplace' => '',
    'keyboardNav'      => $options['keyboardNav'] == 'true' ? TRUE : FALSE,
    'pauseOnHover'     => $options['pauseOnHover'] == 'true' ? TRUE : FALSE,
    'manualAdvance'    => $options['manualAdvance'] == 'true' ? TRUE : FALSE,
    'captionOpacity'   => (float) $options['captionOpacity'],
  );

  if ($options['controlNav'] == 'thumbsIC') {
    $params['controlNavThumbs'] = TRUE;
    $params['controlNavThumbsSearch'] = "/{$options['imagefield_preset']}/";
    $params['controlNavThumbsReplace'] = "/{$options['controlNavThumbsIC']}/";
  }
  elseif ($options['controlNav'] == 'thumbsField') {
    $params['controlNavThumbs'] = TRUE;
    $params['controlNavThumbsFromRel'] = TRUE;
  }

  $cfg[$vars['views_nivo_slider_id']] = $params;

  drupal_add_js(array('views_nivo_slider' => $cfg), 'setting');

  $_path = drupal_get_path('module', 'views_nivo_slider');
  drupal_add_js($_path .'/js/jquery.nivo.slider.pack.js');
  drupal_add_js($_path .'/js/views_nivo_slider.js');
  drupal_add_css($_path .'/js/nivo-slider.css');

  // Style
  if ($options['style'] != 'none') {
    drupal_add_css($_path . '/styles/' . $options['style'] .'/custom-nivo-slider.css');
  }
}

/**
 * Implementation of template preprocess for the view fields
 */
function template_preprocess_views_nivo_slider_view_nivo_sliderfields(&$vars) {
  $view = &$vars['view'];
  $options = $vars['options'];
  $style = $view->style_options;

  $presetname = $view->style_options['imagefield_preset'];
  $thumbnail_url = $title = $link = NULL;

  // Force URL format for image_field
  if (isset($view->field[$options['image_field']])) {
    $view->field[$options['image_field']]->options['format'] = 'path_plain';
    $view->field[$options['image_field']]->options['alter']['make_link'] = 0;
  }

  if ($style['controlNav'] == 'thumbsField') {
    $view->field[$style['controlNavThumbsField']]->options['format'] = 'path_plain';
    $view->field[$style['controlNavThumbsField']]->options['alter']['make_link'] = 0;
  }

  // Title field formats
  if (isset($view->field[$options['title_field']])) {
    $view->field[$options['title_field']]->options['format'] = 'plain';
    $view->field[$options['title_field']]->options['alter']['make_link'] = 0;
    $view->field[$options['title_field']]->options['alter']['strip_tags'] = 1;
  }

  // link
  if (isset($view->field[$options['link_field']])) {
    //Node: Link
    if ($view->field[$options['link_field']]->definition['handler'] == 'views_handler_field_node_link') {
      $link = url('node/'.$view->result[$view->row_index]->nid);
    }
    // Link Field
    else {
      $view->field[$options['link_field']]->options['format'] = 'plain';
    }
  }
  
  $attributes = NULL;

  foreach ($view->field as $id => $field) {
    $field_output = $view->field[$id]->theme($vars['row']);

    switch ($id) {
    case $options['image_field']:
      $image_url = $field_output;
      break;
    case $options['title_field']:
      $title = $field_output;
      break;
    case $options['link_field']:
      if ($field->definition['handler'] != 'views_handler_field_node_link') {
        $link = check_url($field_output);
      }
      break;
    case $style['controlNavThumbsField']:
      if ($style['controlNav'] == 'thumbsField') {
        if (!empty($style['controlNavThumbsICField'])) {
          $turl = imagecache_create_url($style['controlNavThumbsICField'], $field_output);
        }
        else {
          $turl = $field_output;
        }

        $attributes = array('rel' => $turl);
      }
      break;
    }
  }

  $img = theme('imagecache' , $presetname , $image_url, $title, $title, $attributes, TRUE);

  if ($link) {
    $img = '<a href="'.$link.'" class="views-processed">'.$img.'</a>';
  }

  $vars['content'] = $img;
}