Template:MapStructure lcontroller

# See: http://wiki.flightgear.org/MapStructure
# Class things:
var name = 'DEMO';
var parents = [SymbolLayer.Controller];
var __self__ = caller(0)[0];
SymbolLayer.Controller.add(name, __self__);
SymbolLayer.add(name, {
    parents: [MultiSymbolLayer],
    type: name, # Symbol type
    df_controller: __self__, # controller to use by default -- this one
    df_style: {},
});

var new = func(layer) {
    var m = {
        parents: [__self__],
        layer: layer,
        map: layer.map,
        listeners: [],
        query_type:'dme',
    };
    # TODO: for non-navaid/FGPositioned layers this needs to be customized to compare objects on the layer
    # layer.searcher._equals = func(a,b) 0;

    return m;
}; # ctor

var del = func() {
    foreach (var l; me.listeners) {
        removelistener(l);
    }
}; # del


var searchCmd = func {
    printlog(_MP_dbg_lvl, "Running query: ", me.query_type);
    var range = me.map.controller.query_range();
    if (range == nil) {
        return;
    }
	return positioned.findWithinRange(range, me.query_type);
}; # searchCmd