source: extensions/rv_gmaps/trunk/include/functions.php

<?php

function rvm_load_language($source=false)
{
        global $lang,$lang_info,$conf,$template;
        if ( !isset($lang['Map']) )
        {
                if ( $lang_info['code']!='en' || $conf['debug_l10n'] || $source!==false)
                        load_language('lang', dirname(__FILE__).'/../');
                else
                        $template->smarty->registerFilter('pre', 'rvm_load_language');
        }
        return $source;
}

function rvm_items_have_latlon($items)
{
  $query = '
SELECT id FROM '.IMAGES_TABLE.'
WHERE latitude IS NOT NULL
  AND id IN ('.implode(',', $items).')
ORDER BY NULL
LIMIT 0,1';
        if ( pwg_db_num_rows(pwg_query($query))> 0)
                return true;
        return false;
}

function rvm_make_map_picture_url($params)
{
        $map_url = make_picture_url($params);
        return add_url_params($map_url, array('map'=>null) );
}

function rvm_duplicate_map_picture_url()
{
        $map_url = duplicate_picture_url();
        return add_url_params($map_url, array('map'=>null) );
}

function rvm_make_map_index_url($params=array())
{
        global $conf, $rvm_dir;
        $url = get_root_url().'map';
        if ($conf['php_extension_in_urls'])
                $url .= '.php';
        if ($conf['question_mark_in_urls'])
                $url .= '?';
        $url .= make_section_in_url($params);
        $url = add_well_known_params_in_url($url, array_intersect_key($params, array('flat'=>1) ) );
        return $url;
}

function rvm_duplicate_map_index_url($redefined=array(), $removed=array())
{
        return rvm_make_map_index_url(
                params_for_duplication($redefined, $removed)
                );
}

function rvm_duplicate_kml_index_url($redefined=array(), $removed=array())
{
        return rvm_make_kml_index_url(
                params_for_duplication($redefined, $removed)
                );
}

function rvm_make_kml_index_url($params)
{
        global $conf, $rvm_dir;
        $url = get_root_url().'plugins/'.$rvm_dir.'/kml.php';
        if ($conf['question_mark_in_urls'])
                $url .= '?';

        $url .= make_section_in_url($params);
        unset( $params['start'] );
        if ( 'categories'!=$params['section']) unset( $params['flat'] );
        $url = add_well_known_params_in_url($url, $params);
        $get_params = array();
        if ( isset($params['box']) and !empty($params['box']) )
        {
                include_once( dirname(__FILE__).'/functions_map.php' );
                if ( ! bounds_is_world($params['box']) )
                        $get_params['box'] = bounds_to_url($params['box']);
        }
        if ( isset($params['ll']) and !empty($params['ll']) )
                $get_params['ll'] = $params['ll']['lat'].','.$params['ll']['lon'];
        $url = add_url_params($url, $get_params );
        return $url;
}
?>