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// $Id$
// Load Google Maps API
google.load("maps", "2.x");
// Global variables
var map, mapExtension, gOverlays;
// Setup custom GMap Overlays (layers and labels)
function gmap_arcgis() {
// Fallback setting
var fallback = 'http://mapserver.fqdn/rest/services/app/MapServer';
var polygons = [ fallback ];
var labels = [ fallback + '/2' ];
var fields = new Array();
var id = 'auto1map';
var content;
// Get data from Drupal
if (Drupal.settings.gmap_arcgis !== undefined) {
// Get array of polygons
if (Drupal.settings.gmap_arcgis.polygons !== undefined) {
polygons = Drupal.settings.gmap_arcgis.polygons;
}
// Get array of labels
if (Drupal.settings.gmap_arcgis.labels !== undefined) {
labels = Drupal.settings.gmap_arcgis.labels;
}
// 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
// and add an ArcGIS extension to it
map = Drupal.gmap.getMap(id).map;
mapExtension = new esri.arcgis.gmaps.MapExtension(map);
for each (var label in labels) {
// Set default fallback values for labels
fields = ["id", "name"];
content = 'Placeholder';
icon = new GIcon(G_DEFAULT_ICON);
if (label[1] !== undefined) {
// Set custom fields
fields = [ label[1][0], label[1][1] ];
}
if (label[2] !== undefined) {
// Set custom content
content = label[2];
}
if (label[3] !== undefined) {
// Set label icons
var info = label[3];
icon.shadow = info[0];
icon.image = info[1];
icon.infoSize = new GSize(info[2][0], info[2][1]);
icon.shadowSize = new GSize(info[3][0], info[3][1]);
icon.infoAnchor = new GPoint(info[4][0], info[4][1]);
icon.infoWindowAnchor = new GPoint(info[5][0], info[5][1]);
}
GEvent.addListener(map, "moveend", function() { showLabels(label[0], fields, content, icon); });
showLabels(label[0], fields, content, icon);
}
for each (var polygon in polygons) {
showPolygons(polygon);
}
}
// Add labels from a given ArcGIS MapServer Layer
function showLabels(label, fields, content, icon) {
var bounds = map.getBounds();
var queryTask = new esri.arcgis.gmaps.QueryTask(label);
var query = new esri.arcgis.gmaps.Query();
// clear gOverlays overlays and event listeners
//mapExtension.removeFromMap(gOverlays);
// set query parameters
query.queryGeometry = bounds;
query.returnGeometry = true;
query.outFields = fields;
// set the callback
var callback = showLabelsCallback(fields, content, icon);
// execute query task
queryTask.execute(query, false, callback);
}
// Callback for showLabels
function showLabelsCallback(fields, content, icon) {
return function(fset) {
// Label title
var title = '{' + fields[1] + '}';
// JS literal class esri.arcgis.gmaps.MarkerOptions
var myMarkerOptions = { title:title, icon:icon };
// JS literal class esri.arcgis.gmaps.OverlayOptions
var overlayOptions = { markerOptions:myMarkerOptions };
// JS literal class esri.arcgis.gmaps.InfoWindowOptions without tabs
var infoWindowOptions = { content: content };
gOverlays = mapExtension.addToMap(fset, overlayOptions, infoWindowOptions);
}
}
// Add polygons from a given ArcGIS MapServer Layer
function showPolygons(uri) {
polygons = new esri.arcgis.gmaps.DynamicMapServiceLayer(uri, null, 0.45, showPolygonsCallback);
}
// Callback for showPolygons
function showPolygonsCallback(mapservicelayer, error) {
map.addOverlay(mapservicelayer);
}
// Add custom marker
function createMarker(point, name, html, icone) {
var icon = new GIcon();
icon.image = icone;
icon.shadow = "http://maps.google.com/mapfiles/ms/micons/msmarker.shadow.png";
icon.iconSize = new GSize(12, 20);
icon.shadowSize = new GSize(22, 20);
icon.iconAnchor = new GPoint(6, 20);
icon.infoWindowAnchor = new GPoint(5, 1);
var marker = new GMarker(point);
GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml(html); });
return marker;
}
// Add map overlays
$(document).ready(function() {
google.setOnLoadCallback(gmap_arcgis);
});
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