fgdata/Nasal/canvas/map/DME.lcontroller

# See: http://wiki.flightgear.org/MapStructure
# Class things:
var name = 'DME';
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
	df_style: {
		line_width: 3,
		scale_factor: 1,
		animation_test: 0,
		debug: 1,
		color_default: [0,0.6,0.85],
		color_tuned: [0,1,0],
	}
});
var new = func(layer) {
	var m = {
		parents: [__self__],
		layer: layer,
		map: layer.map,
		listeners: [],
		query_type:'dme',
	};
	##
	# default styling parameters - can be overridden via addLayer( style:{key:value, ...} )

	if (contains(m.layer,'style')) return m; # we already have a proper style

	# otherwise, set up a default style:
	m.layer.style={};
	m.layer.style.debug = 0; # HACK: setting this enables benchmarking and printlog statements
	m.layer.style.animation_test = 0;

	# these are used by the draw() routines, see DME.symbol
	m.layer.style.scale_factor = 1.0 ; # applied to the whole group for now
	m.layer.style.line_width = 3.0; 
	m.layer.style.color_tuned = [0,1,0]; 
	m.layer.style.color_default = [0,0.6,0.85]; 

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

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