132 lines
4.1 KiB
Text
132 lines
4.1 KiB
Text
# Copyright 2018 Stuart Buchanan
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# This file is part of FlightGear.
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#
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# Foobar is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# FlightGear is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with FlightGear. If not, see <http://www.gnu.org/licenses/>.
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#
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# Navigation Map Controller
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var NavigationMapController =
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{
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# TODO: Add STAMEN topo layer, which is visible on all levels as opposed to
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# roads, railways, boundaries, cities which are only visible on declutter 0.
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# Declutter levels.
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DCLTR : [ "DCLTR", "DCLTR-1", "DCLTR-2", "DCLTR-3"],
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# Airways levels.
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AIRWAYS : [ "AIRWAYS", "AIRWY ON", "AIRWY LO", "AIRWY HI"],
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new : func (page, svg)
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{
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var obj = { parents : [ NavigationMapController, MFDPageController.new(page) ] };
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obj.current_zoom = 13;
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obj.declutter = 0;
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obj.airways = 0;
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obj.page = page;
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obj.setZoom(obj.current_zoom);
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obj.setOrientation(fg1000.ORIENTATIONS[0]);
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return obj;
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},
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zoomIn : func() {
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me.setZoom(me.current_zoom -1);
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},
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zoomOut : func() {
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me.setZoom(me.current_zoom +1);
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},
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setZoom : func(zoom) {
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if ((zoom < 0) or (zoom > (size(fg1000.RANGES) - 1))) return;
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me.current_zoom = zoom;
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# Ranges above represent vertical ranges, but the display is a rectangle, so
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# we need to use the diagonal range of the 1024 x 689, which is 617px.
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# 617px is 1.8 x 689/2, so we need to increase the range values by x1.8
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me.page.setRange(fg1000.RANGES[zoom].range, fg1000.RANGES[zoom].label);
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me.updateVisibility();
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},
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setOrientation : func(orientation) {
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me.page.setOrientation(orientation.label);
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},
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updateVisibility : func() {
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# Determine which layers should be visible.
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foreach (var layer_name; me.page.mfd.ConfigStore.getLayerNames()) {
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var layer = me.page.mfd.ConfigStore.getLayer(layer_name);
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if (layer.enabled and
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(fg1000.RANGES[me.current_zoom].range <= layer.range) and
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(me.declutter <= layer.declutter) )
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{
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me.page.MFDMap.getLayer(layer_name).setVisible(1);
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} else {
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me.page.MFDMap.getLayer(layer_name).setVisible(0);
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}
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}
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},
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isEnabled : func(layer) {
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return me.page.mfd.ConfigStore.isLayerEnabled(layer);
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},
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toggleLayer : func(layer) {
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me.page.mfd.ConfigStore.toggleLayerEnabled(layer);
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me.updateVisibility();
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},
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# Increment through the de-clutter levels, which impact what layers are
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# displayed. We also need to update the declutter menu item.
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incrDCLTR : func(device, menuItem) {
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me.declutter = math.mod(me.declutter +1, 4);
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menuItem.title = me.DCLTR[me.declutter];
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device.updateMenus();
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me.updateVisibility();
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},
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getDCLTRTitle : func() {
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return me.DCLTR[me.declutter];
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},
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# Increment through the AIRWAYS levels. At present this doesn't do anything
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# except change the label. It should enable/disable different airways
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# information.
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incrAIRWAYS : func(device, menuItem) {
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me.airways = math.mod(me.airways +1, 4);
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menuItem.title = me.AIRWAYS[me.airways];
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device.updateMenus();
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me.updateVisibility();
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},
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getAIRWAYSTitle : func() {
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return me.AIRWAYS[me.airways];
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},
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# Set the DTO line target
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setDTOLineTarget : func(lat, lon) {
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me.page.MFDMap.getLayer("DTO").controller.setTarget(lat,lon);
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},
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enableDTO : func(enable) {
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me.page.mfd.ConfigStore.setLayerEnabled("DTO", enable);
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me.updateVisibility();
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},
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handleRange : func(val)
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{
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var incr_or_decr = (val > 0) ? 1 : -1;
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me.setZoom(me.current_zoom + incr_or_decr);
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},
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# Reset controller if required when the page is displayed or hidden
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ondisplay : func() {
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me.RegisterWithEmesary();
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},
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offdisplay : func() {
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me.DeRegisterWithEmesary();
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},
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};
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