<?php

/**
 * Implementation of hook_views_style_plugins().
 */
function mapstraction_views_views_style_plugins() {
  return array(
    'mapstraction' => array(
      'name' => t('Mapstraction View'),
      'theme' => 'views_view_mapstraction',
      'needs_fields' => true,
      'validate' => 'mapstractions_views_validate',
    )
  );
}


/**
 * Validate a Mapstraction View.
 * Mapstracition Views requires one of the following:
 * - Location: Lat and Location: Lon
 * - Two columns, one titled t('Latitude'), one titled t('Longitude')
 * - A module that can transform a field into lat, long coordinates
 */
function mapstraction_views_validate($type, $view, $form) {
  $ids = _gmap_views_find_coords_ids($view);
  if (!($ids['lat'] && $ids['lon']) && !(isset($ids['module']))) {
    form_error($form["$type-info"][$type .'_type'],
              t('GMap View requires: either "Location: Latitude" and "Location: Longitude" or a field titled "Latitude" and a field titled "Longitude"'));
  }
  return views_ui_plugin_validate_list($type, $view, $form);
}

function theme_views_view_mapstraction($view, $results){
	$fields = _views_get_fields();
  // find the ids of the column we want to use
//  $point_ids = _mapstraction_views_find_coords_ids($view);
  $out = mapstraction_create_map();
  foreach( $results as $marker){
    $title = $marker->node_title? $marker->node_title:'Add title field to view to replace this  text'; 
    $out .= mapstraction_add_marker($marker->nid,$marker->location_latitude,$marker->location_longitude,$title);
    }
    $out .=  mapstraction_close_map();
    return $out;
}