fgdata/Nasal/canvas/map/WPT.lcontroller

# Class things:
var name = 'WPT'; # for waypoints
var parents = [SymbolLayer.Controller];
var __self__ = caller(0)[0];
SymbolLayer.Controller.add(name, __self__);
SymbolLayer.add(name, {
	parents: [SymbolLayer],
	type: name, # Symbol type
	df_controller: __self__, # controller to use by default -- this one
});
var new = func(layer) {
	var m = {
		parents: [__self__],
		layer: layer,
		listeners: [],
		query_range_nm: 25,
	};
	return m;
};
var del = func() {
	#print(name~"VOR.lcontroller.del()");
	foreach (var l; me.listeners)
		removelistener(l);
};

var searchCmd = func {
	#print("Running query: "~name);
	
	var fp = flightplan();
	var fpSize = fp.getPlanSize();
	var result = [];
	for (var i = 1; i <fpSize; i+=1)
		append(result, fp.getWP(i).path()[0] );

	return result;	
	# return positioned.findWithinRange(me.query_range_nm, me.query_type); # the range should also be exposed, it will typically be controlled via a GUI widget or NavDisplay switch
};