/*
* Copyright (c) 2005 Andriy Bidochko.  
* http://www.mapbuilder.net
*
* The script has been generated by MapBuilder.net service and released to the customer under 
* The GNU General Public License (GPL), which can be found at: http://www.opensource.org/licenses/gpl-license.php
* 
* This program is free software; you can redistribute it and/or modify it under the terms of the 
* GNU General Public License as published by the Free Software Foundation; 
* either version 2 of the License, or any later version.
* 
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the 
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
* for more details.
*/

/* ******************************************************************************* */
/* MapBuilder Grouping Classes used to organize locations into Master/Child groups */

/* This class represents a group of markers (child) */
function MBLocationGroup(name){
  this.GroupName = name;
  this.aMarkers = new Array();
  this.aMarkersIcons = new Array();
  this.aMarkerIDs = new Array();

  this.addMarker = function(marker, markerid, iconimg){
    len = this.aMarkers.length;
    this.aMarkers[len] = marker;
    this.aMarkersIcons[len] = iconimg;
    this.aMarkerIDs[len] =  markerid;
  }
  
  // Bind markers to the map
  this.showMarkersOnMap = function(mapid){
    // Loop through markers
    for (i = 0; i < this.aMarkers.length; i++)
    {
      this.aMarkers[i].icon.image = this.aMarkersIcons[i] ;
      mapid.addOverlay(this.aMarkers[i]);
    }
  }

  // Bind markers to the select obj
  this.showMarkersOnSelect = function(selectobj){
    //Clear the second select box.
    selectobj.options.length = 0;

    // Loop through markers
    for (i = 0; i < this.aMarkers.length; i++)
    {
      aMarkerInfo = aLocations[this.aMarkerIDs[i]];
      selectobj.options[i] = new Option(aMarkerInfo[1], this.aMarkerIDs[i]);
    }
  }
}

/* Basic Group Definition Class. Used to track map center, zoom level */
function MBGroupDefinition (name, longt, latt, zoomlevel){
  this.Name = name;
  this.Long = longt;
  this.Latt = latt;
  this.ZoomLevel = zoomlevel;
}

/* This class represents a master group */
function MBGroup(){
  this.aGroups = new Array();
  this.aRegisteredGroups = new Array();
  this.aGroupMarkers = new Array();

  this.RegisterGroup = function(group, longt, latt, zoomlevel){
    // Do we deal with existing group?
    NewGroup = true;
    for (i = 0; i < this.aGroups.length; i++)
    {
      if (this.aGroups[i] == group) {
        GroupID = i;
        NewGroup = false;
        break; 
      }
    }
    // Add new group
    if (NewGroup) {
      GroupID = this.addGroup(group);
    }
    // Create object
    this.aRegisteredGroups[GroupID] = new MBGroupDefinition(group, longt, latt, zoomlevel);
  }

  this.addGroup = function(group){
    len = this.aGroups.length;
    this.aGroups[len] = group;
    //Add markers object
    this.aGroupMarkers[len] = new MBLocationGroup(group);
    return len;
  }

  this.addMarker = function(group, marker, markerid, iconimg){
    // Do we deal with existing group?
    NewGroup = true;
    for (i = 0; i < this.aGroups.length; i++)
    {
      if (this.aGroups[i] == group) {
        GroupID = i;
        NewGroup = false;
        break; 
      }
    }
    // Add new group
    if (NewGroup) {
      GroupID = this.addGroup(group);
    }

    // Add marker
    this.aGroupMarkers[GroupID].addMarker(marker, markerid, iconimg);
  }

  //Show markers by group name
  this.showMarkers = function(group, mapid){
    // Do we deal with existing group?
    FoundGroup = false;
    for (i = 0; i < this.aGroups.length; i++)
    {
      if (this.aGroups[i] == group) {
        GroupID = i;
        FoundGroup = true;
        break; 
      }
    };
    // Add new group
    if (FoundGroup) {
    	//alert("y"+this.aGroupMarkers[GroupID].aMarkers.length)
      this.aGroupMarkers[GroupID].showMarkersOnMap(mapid);
    }
    else {
      return;
    }
  }

  //Show markers by group ID
  this.showMarkersByID = function(groupid, mapid, selectobj){
    if (typeof(this.aGroupMarkers[groupid]) == 'undefined') return; 
    
    //Use MBGroupDefinition info to center and zoom map
    if (typeof(this.aRegisteredGroups[groupid]) != 'undefined') {
      // a GPoint represents a lat/lng, x is the longitude, and y is the latitude in decimal notation
      mapid.centerAndZoom(new GPoint(this.aRegisteredGroups[groupid].Long, this.aRegisteredGroups[groupid].Latt), this.aRegisteredGroups[groupid].ZoomLevel);
    }

    // Show markers on the map
    this.aGroupMarkers[groupid].showMarkersOnMap(mapid);
    
    //Show marker on second select object
    this.aGroupMarkers[groupid].showMarkersOnSelect(selectobj);
  }

  // set value for the select object
  this.setGroupBox = function(selectobj){
    for (i = 0; i < this.aGroups.length; i++)
    {
      selectobj.options[i] = new Option(this.aGroups[i], i);
    };
  }
}


function ShowLocations(group, mapid, selectobj) {
  // Clear Map
  mapid.clearOverlays();
  // Load locations
  MyMBGroup.showMarkersByID(group, mapid, selectobj);
}