<?php
 
// $Id:$
/**
 * This include file implements views functionality on behalf of the
 * image.module 
 */

function image_views_tables() {
  $tables['image'] = array(
    'name' => 'node',
    'fields' => array(
      'nid' => array(
        'name' => t('Image: Display Image'),
        'handler' => array(
          'views_handler_image_img' => t('Image'),
          'views_handler_image_img_link' => t('Image with link'),
        ),
        'query_handler' => 'views_query_handler_display_image',
        'notafield' => true,
        'sortable' => false,
      ),
    ),
    'filters' => array(
      'filename' => array(
        'name' => t('Image: Size'),
        'list' => 'views_handler_filter_image_size',
        'list-type' => 'list',
        'operator' => 'views_handler_operator_or',
        'value-type' => 'string',
        'handler' => 'views_handler_image_filter_size',
        'help' => t('Include or Exclude these image sizes.'),
      ),
    ),
  );
  return $tables;
}

function views_handler_image_img($fieldinfo, $fielddata, $value, $data) {
  $node = node_load($data->nid);
  return theme('image_display', $node, '', file_create_url($data->filepath), array());
}

function views_handler_image_img_link($fieldinfo, $fielddata, $value, $data) {
  $node = node_load($data->nid);
  return l(theme('image_display', $node, '', file_create_url($data->filepath), array()), "node/{$node->nid}", array(), NULL, NULL, FALSE, TRUE);
}

function views_handler_filter_image_size($op) {
  foreach (_image_get_sizes() as $size) {
    $a[$size['label']] = $size['label'];
  }
  $a['_original'] = 'original';
  return $a;
}

function views_handler_image_filter_size($op, $filter, $filterdata, &$query) {
  switch ($op) {
    case 'handler':
      $query->add_field('filename', 'files');
      $query->add_where("files.filename IN ('". implode("','", $filter['value']) ."')");
  }
}

function views_query_handler_display_image($field, $fieldinfo, &$query) {
  $query->add_field('filepath', 'files');
}