MapManager refresh

map-manager.js

MapManager.prototype = {
  refresh: function() {
    $(this).trigger('started');
    errored = false;

    // clear these variables for this refresh
    if (map.getZoom() > minZoom) {
      $(this).trigger('zoomOK');

      var tiles = getTiles();
      deleteOldTilesData(tiles);
      newTiles = getNewTiles(tiles);

      // remember this set of tiles for comparison next time.
      prevTiles = tiles; 

      // TODO: also get the boundary data.

      lsoaDataRetrieved = false;
      getLsoaData(newTiles);

    } else {
      $(this).trigger('zoomTooWide');
      $(this).trigger('finished');
    }
  }
}