// $Id$

// Global variables
var map, mapExtension, gOverlays;

// Setup custom GMap Overlays
function gmap_arcgis() {
  /**
   * Use a timer to make sure everything is loaded upon execution time.
   * See http://drupal.org/node/223613#comment-736303
   */
  setTimeout(function() {
    // Variables
    var id = 'auto1map';
   
    // Get Map Id
    if (Drupal.settings.gmap_arcgis.id !== undefined) {
      id = Drupal.settings.gmap_arcgis.id;
    }
  
    // Get an existing GMap instance using Drupal GMap Module API
    map = Drupal.gmap.getMap(id).map;

    //gmapArcgisShowPolygons(map, Drupal.settings.gmap_arcgis.polygons);
    
  }, 5);
}

// Show all defined polygons
function gmapArcgisShowPolygons(map, polygons) {
  for (j = 0; j < polygons.length; j++) {
    showPolygon(map, polygons[j]);
  }
}

// Hide all defined polygons
function gmapArcgisHidePolygons(map, polygons) {
  for (j = 0; j < polygons.length; j++) {
    polygons[j].overlay.setOpacity(0);
    unblockUI();
  }
}

// Add polygons from a given ArcGIS MapServer Layer
function showPolygon(map, params) {
  var defaultOpacity = (params.opacity != undefined) ? params.opacity : 0.55;

  if (typeof params.overlay != 'undefined') {
    params.overlay.setOpacity(defaultOpacity);
    unblockUI();
    return;
  }

  uri    = params['uri'];
  layers = params['layers'];

  params.overlay = new gmaps.ags.MapOverlay(uri, {
    exportOptions: {
        layerIds:    layers,
        layerOption: 'show',
    }
  });

  params.overlay.setMap(map);
  params.overlay.setOpacity(defaultOpacity);

  if (params.callback == undefined) {
    // Default callback: remove the blockUI once the layer is shown
    google.maps.event.addListener(params.overlay.getMapService(), 'update', function() {
      unblockUI();
    });
  }
  else {
    google.maps.event.addListener(params.overlay.getMapService(), 'update', function() {
      params.callback(map, params) ; unblockUI();
    });
  }
}

// Add a KML to the map
function showKML(map, params) {
  params.overlay = new google.maps.KmlLayer(params.uri);
  params.overlay.setMap(map);
}

// UI unblocker wrapper
function unblockUI() {
  $.unblockUI();
}

// UI blocker wrapper
function blockUI() {
  $.blockUI();
}

// Add map overlays
$(document).ready(function() {
  google.setOnLoadCallback(gmap_arcgis);
  $('#edit-lista-uc').change(function() {
    $('#header').hide();
    $('#nav').hide();
  });
});