<?php
// +-------------------------------------------------+
// © 2002-2010 PMB Services / www.sigb.net pmb@sigb.net et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: map_hold_multilinestring.class.php,v 1.1 2014-12-12 13:08:02 ngantier Exp $

if (stristr($_SERVER['REQUEST_URI'], ".class.php")) die("no access");
require_once($class_path."/map/map_hold.class.php");


/**
 * class map_hold_multilinestring
 * Classe représentant plusieurs lignes
 */
class map_hold_multilinestring extends map_hold {

	/** Aggregations: */
	
	/** Compositions: */
	
	/*** Attributes: ***/
	
	
	/**
	 *
	 *
	 * @return string
	 * @access public
	 */
	public function get_hold_type() {
		
		return "MULTILINESTRING";
		
	} // end of member function get_hold_type

	protected function build_coords(){
  		$coords_string = substr($this->wkt,strpos($this->wkt,"(")+1,-1);
  		$coords_multiple_string = substr($coords_string,strpos($coords_string,"(")+1,-1);
  		$lines = explode("),(",$coords_multiple_string);
  		foreach ($lines as $line) {
  			$coords = explode(",",$line);
  			$coords_line =array();
  			for($i=0 ; $i< count($coords) ; $i++){
  				$infos =array();
  				$coord = $coords[$i];
  				$infos = explode(" ",$coord);
  				$coords_line[] = new map_coord($infos[0],$infos[1]);
  			}
  			$this->coords[] = $coords_line;
  		}
  		$this->coords_uptodate = true;
  	}
	
	protected function build_wkt(){
		$this->wkt = $this->get_hold_type()."(";
		$tmp_wkt = "";
		foreach ($this->coords as $line) {
			if ($tmp_wkt == "") $tmp_wkt = "(";
			else $tmp_wkt .= ",(";
			$tmp_line = "";
			foreach($line as $coord){
				if ($tmp_line != "") $tmp_line .= ",";
				$tmp_line.= $coord->get_decimal_lat()." ".$coord->get_decimal_long();
			}
			$tmp_wkt .= $tmp_line.")";
		}
		$this->wkt .= $tmp_wkt;
		$this->wkt .= ")";
		$this->wkt_uptodate = true;
	}

} // end of map_hold_multilinestring