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fgdata/Aircraft/Instruments-3d/FG1000/Nasal/MFDPages/TrafficMap/TrafficMapController.nas
2018-02-09 18:55:53 +00:00

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# Copyright 2018 Stuart Buchanan
# This file is part of FlightGear.
#
# Foobar is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# FlightGear is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with FlightGear. If not, see <http://www.gnu.org/licenses/>.
#
# Traffic Map Controller
var TrafficMapController =
{
# Altitude levels levels.
ALTS : { ABOVE : { label: "ABOVE", ceiling_ft: 9000, floor_ft: 2700 },
NORMAL : { label: "NORMAL", ceiling_ft: 2700, floor_ft: 2700 },
BELOW : { label: "BELOW", ceiling_ft: 2700, floor_ft: 9000 },
UNREST : { label: "UNRESTRICTED", ceiling_ft: 9000, floor_ft: 9000 }},
# Three ranges available
# 2nm
# 2nm / 6nm
# 6nm / 12nm
#
# TODO: Currently we simply use the outer range, and display the inner
# range as 1/3 of the outer. Doing this properly, we should display
# different inner rings.
RANGES : [ {range: 2, inner_label: nil, outer_label: "2nm"},
{range: 6, inner_label: "2nm", outer_label: "6nm"},
{range: 12, inner_label: "4nm", outer_label: "12nm"} ],
new : func (page, svg)
{
var obj = { parents : [ TrafficMapController, MFDPageController.new(page) ] };
obj.range = 1;
obj.alt = "NORMAL";
obj.operating = 0;
obj.flight_id = 0;
obj.page = page;
obj.page.setScreenRange(689/2.0);
# Emesary
obj._recipient = nil;
obj.setZoom(obj.range);
obj.setAlt(obj.alt);
obj.setOperate(obj.operating);
return obj;
},
zoomIn : func() {
me.setZoom(me.current_zoom -1);
},
zoomOut : func() {
me.setZoom(me.current_zoom +1);
},
setZoom : func(zoom) {
if ((zoom < 0) or (zoom > (size(me.RANGES) - 1))) return;
me.current_zoom = zoom;
me.page.setRange(
me.RANGES[zoom].range,
me.RANGES[zoom].inner_label,
me.RANGES[zoom].outer_label);
},
setAlt : func(alt) {
if (me.ALTS[alt] == nil) return;
me.page.setAlt(me.ALTS[alt].floor_ft, me.ALTS[alt].ceiling_ft, me.ALTS[alt].label);
me.alt = alt;
},
setOperate : func(enabled) {
me.page.setOperate(enabled);
me.operating = enabled;
},
setFlightID : func(enabled) {
me.flight_id = enabled;
me.page.Options.setOption("TFC", "display_id", enabled);
},
toggleFlightID : func() {
me.setFlightID(! me.flight_id);
},
isEnabled : func(label) {
# Cheeky little function that returns whether the alt or operation mode
# matches the label. Used to highlight current settings in softkeys
if (label == me.alt) return 1;
if (me.operating and label == "OPERATE") return 1;
if (me.operating == 0 and label == "STANDBY") return 1;
if (me.flight_id == 1 and label == "FLT ID") return 1;
return 0;
},
handleRange : func(val)
{
var incr_or_decr = (val > 0) ? 1 : -1;
me.setZoom(me.current_zoom + incr_or_decr);
},
# Reset controller if required when the page is displayed or hidden
ondisplay : func() {
me.RegisterWithEmesary();
},
offdisplay : func() {
me.DeRegisterWithEmesary();
},
};