gmap.js

/* $Id$ */

/**
 * Drupal to Google Maps API bridge.
 */

// GMap overseer singleton
Drupal.gmap = new function() {
  var _handlers = {};
  var _maps = {};

  /**
   * Retrieve a map object for use by a non-widget.
   * Use this if you need to be able to fire events against a certain map
   * which you have the mapid for.
   * Be a good GMap citizen! Remember to send change()s after modifying variables!
   */
  this.getMap = function(mapid) {
    return _maps[mapid];
  };

  this.addHandler = function(handler,callback) {
    if (!_handlers[handler]) {
      _handlers[handler] = [];
    }
    _handlers[handler].push(callback);
  };

  this.globalChange = function(name,userdata) {
    for (var mapid in Drupal.settings.gmap) {
      _maps[mapid].change(name,-1,userdata);
    }
  };

  this.setup = function() {
    if (Drupal.settings && Drupal.settings.gmap) {
      for (var mapid in Drupal.settings.gmap) {
        _maps[mapid] = new Drupal.gmap.map(Drupal.settings.gmap[mapid]);

        for (var control in _handlers) {
          var s = 0;
          do {
            var o = $('#gmap-'+mapid+'-'+control+s);
            o.each(function() {
                for (var i=0; i<_handlers[control].length; i++) {
                  _handlers[control][i].call(_maps[mapid],this);
                }
            });
            s++;
          }
          while (o.length>0);
        }

        _maps[mapid].change("bootstrap_options",-1);

        _maps[mapid].change("boot",-1);

        _maps[mapid].change("init",-1);

        // Send some changed events to fire up the rest of the initial settings..
        _maps[mapid].change("maptypechange",-1);
        _maps[mapid].change("controltypechange",-1);
        _maps[mapid].change("alignchange",-1);

        // Set ready to put the event system into action.
        _maps[mapid].ready = true;
        _maps[mapid].change("ready",-1);

      }
    }