641 lines
23 KiB
JavaScript
641 lines
23 KiB
JavaScript
L.Routing.Draw.prototype._hideTrailer = function () {
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if (this._trailer.options.opacity !== 0.0) {
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this._trailer.setStyle({ opacity: 0.0 });
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}
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};
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BR.Routing = L.Routing.extend({
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options: {
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position: 'topright',
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icons: {
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start: L.VectorMarkers.icon({ icon: 'play', markerColor: BR.conf.markerColors.start }),
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normal: L.VectorMarkers.icon({ icon: 'circle', markerColor: BR.conf.markerColors.via }),
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end: L.VectorMarkers.icon({ icon: 'stop', markerColor: BR.conf.markerColors.stop }),
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draw: false,
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opacity: 1,
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},
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snapping: null,
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zIndexOffset: -2000,
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distanceMarkers: {
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// width as base number, multiplied by number of digits + one for padding
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iconSize: [6, 18],
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offset: 5000,
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textFunction: function (distance) {
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return distance / 1000;
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},
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},
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shortcut: {
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draw: {
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enable: 68, // char code for 'd'
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disable: 27, // char code for 'ESC'
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beelineMode: 66, // char code for 'b'
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// char code for 'Shift', same key as `beelineModifierName`
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beelineModifier: 16,
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// modifier key to draw straight line on click [shiftKey|null] (others don't work everywhere)
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beelineModifierName: 'shiftKey',
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},
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reverse: 82, // char code for 'r'
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deleteLastPoint: 90, // char code for 'z'
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},
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},
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initialize: function (profile, options) {
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L.Routing.prototype.initialize.call(this, options);
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this.profile = profile;
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},
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onAdd: function (map) {
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this.options.tooltips.waypoint = i18next.t('map.route-tooltip-waypoint');
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this.options.tooltips.segment = i18next.t('map.route-tooltip-segment');
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this._segmentsCasing = new L.FeatureGroup().addTo(map);
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this._loadingTrailerGroup = new L.FeatureGroup().addTo(map);
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this._loadingTrailerRenderer = L.svg(); // CSS animation based on SVG path element
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var container = L.Routing.prototype.onAdd.call(this, map);
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this._segments.on('layeradd', this._addSegmentCasing, this);
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this._segments.on('layerremove', this._removeSegmentCasing, this);
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this._waypoints.on('layeradd', this._setMarkerOpacity, this);
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// flag if (re-)routing of all segments is ongoing
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this._routingAll = false;
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this.on('routing:rerouteAllSegmentsStart routing:setWaypointsStart', function (evt) {
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this._routingAll = true;
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});
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this.on('routing:rerouteAllSegmentsEnd routing:setWaypointsEnd', function (evt) {
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this._routingAll = false;
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});
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this.on(
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'routing:routeWaypointStart routing:rerouteAllSegmentsStart routing:rerouteSegmentStart',
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function (evt) {
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if (!this._routingAll || evt.type === 'routing:rerouteAllSegmentsStart') {
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this._removeDistanceMarkers();
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}
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}
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);
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this.on(
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'routing:routeWaypointEnd routing:setWaypointsEnd routing:rerouteAllSegmentsEnd routing:rerouteSegmentEnd',
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function (evt) {
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if (
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!this._routingAll ||
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evt.type === 'routing:rerouteAllSegmentsEnd' ||
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evt.type === 'routing:setWaypointsEnd'
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) {
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this._updateDistanceMarkers(evt);
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}
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}
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);
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// turn line mouse marker off while over waypoint marker
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this.on(
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'waypoint:mouseover',
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function (e) {
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// L.Routing.Edit._segmentOnMouseout without firing 'segment:mouseout' (enables draw)
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if (this._dragging) {
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return;
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}
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this._hideMouseMarker();
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this._map.off('mousemove', this._segmentOnMousemove, this);
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this._suspended = true;
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},
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this._edit
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);
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this.on(
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'waypoint:mouseout',
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function (e) {
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this._segmentOnMouseover(e);
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this._suspended = false;
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},
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this._edit
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);
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this._edit._mouseMarker.setIcon(
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L.divIcon({
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className: 'line-mouse-marker',
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iconAnchor: [8, 8], // size/2 + border/2
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iconSize: [16, 16],
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})
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);
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// Forward mousemove event to snapped feature (for Leaflet.Elevation to
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// update indicator), see also L.Routing.Edit._segmentOnMousemove
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this._edit._mouseMarker.on(
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'move',
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L.bind(function (e) {
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var latLng = e.latlng;
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if (latLng._feature) {
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this._mouseMarker._feature = latLng._feature;
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latLng._feature.fire('mousemove', e, true);
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}
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}, this._edit)
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);
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var mouseoutHandler = function (e) {
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if (this._mouseMarker._feature) {
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this._mouseMarker._feature.fire('mouseout', e, true);
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this._mouseMarker._feature = null;
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}
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};
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this._edit.on('segment:mouseout', mouseoutHandler, this._edit);
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this._edit._mouseMarker.on('dragstart', mouseoutHandler, this._edit);
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this.on('waypoint:mouseover', mouseoutHandler, this._edit);
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this._draw.on('enabled', function () {
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// crosshair cursor
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L.DomUtil.addClass(map.getContainer(), 'routing-draw-enabled');
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// prevent cursor marker from consuming mouse events (invisible with draw:false)
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this._marker._icon.style.pointerEvents = 'none';
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// intercept listener: only re-show draw trailer after marker hover
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// when edit is not active (i.e. wasn't also supended)
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this._parent.off('waypoint:mouseout', this._catchWaypointEvent, this);
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this.on(
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'waypoint:mouseout',
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function (e) {
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if (!this._parent._edit._suspended) {
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this._catchWaypointEvent(e);
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}
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},
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this
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);
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});
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this._draw.on('disabled', function () {
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L.DomUtil.removeClass(map.getContainer(), 'routing-draw-enabled');
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});
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// hide trailer over controls and outside map
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function show() {
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if (this._hidden && this._parent._waypoints._first) {
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this._show();
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}
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}
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var hide = function () {
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if (!this._hidden && this._parent._waypoints._first) {
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this._hide();
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}
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}.bind(this._draw);
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function hideOverControl(e) {
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hide();
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// prevent showing trailer when clicking state buttons (causes event that propagates to map)
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L.DomEvent.stopPropagation(e);
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}
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this._draw.on('enabled', function () {
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this._map.on('mouseout', hide, this);
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this._map.on('mouseover', show, this);
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L.DomEvent.on(this._map._controlContainer, 'mouseout', show, this);
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L.DomEvent.on(this._map._controlContainer, 'mouseover', hideOverControl, this);
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});
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this._draw.on('disabled', function () {
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this._map.off('mouseout', hide, this);
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this._map.off('mouseover', show, this);
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L.DomEvent.off(this._map._controlContainer, 'mouseout', show, this);
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L.DomEvent.off(this._map._controlContainer, 'mouseover', hideOverControl, this);
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});
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// Call show after deleting last waypoint, but hide trailer.
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// Gets hidden in _catchWaypointEvent on waypoint mouseover, but
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// mouseout to show again never fires when deleted. Click handler
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// _onMouseClick aborts when hidden, so no waypoint can be added
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// although enabled.
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this.on(
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'waypoint:click',
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function () {
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if (this._hidden && !this._parent._waypoints._first) {
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this._show();
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this._hideTrailer();
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}
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},
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this._draw
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);
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// avoid accidental shift-drag zooms while drawing beeline with shift-click
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this._map.boxZoom.disable();
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this._map.addHandler('boxZoom', BR.ClickTolerantBoxZoom);
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this._draw.on('enabled', function () {
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this._map.boxZoom.tolerant = true;
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});
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this._draw.on('disabled', function () {
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this._map.boxZoom.tolerant = false;
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});
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// remove listeners registered in super.onAdd, keys not working when map container lost focus
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// (by navbar/sidebar interaction), use document instead
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L.DomEvent.removeListener(this._container, 'keydown', this._keydownListener, this);
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L.DomEvent.removeListener(this._container, 'keyup', this._keyupListener, this);
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L.DomEvent.addListener(document, 'keydown', this._keydownListener, this);
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L.DomEvent.addListener(document, 'keyup', this._keyupListener, this);
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// enable drawing mode
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this.draw(true);
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return container;
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},
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_addSegmentCasing: function (e) {
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// extend layer style to inherit beeline dashArray
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const casingStyle = Object.assign({}, e.layer.options, this.options.styles.trackCasing);
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const casing = L.polyline(e.layer.getLatLngs(), Object.assign({}, casingStyle, { interactive: false }));
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this._segmentsCasing.addLayer(casing);
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e.layer._casing = casing;
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this._segments.bringToFront();
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},
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_removeSegmentCasing: function (e) {
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this._segmentsCasing.removeLayer(e.layer._casing);
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},
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setOpacity: function (opacity) {
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// Due to the second Polyline layer for casing, the combined opacity is less
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// transparent than with a single layer and the slider is non-linear. The
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// inverted formula is used to get the same result as with a single layer.
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// SVG simple alpha compositing: Ca' = 1 - (1 - Ea) * (1 - Ca)
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// https://www.w3.org/TR/SVG11/masking.html#SimpleAlphaBlending
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var sourceOpacity = 1 - Math.sqrt(1 - opacity);
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this.options.styles.track.opacity = sourceOpacity;
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this.options.styles.trackCasing.opacity = sourceOpacity;
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this.options.icons.opacity = opacity;
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this._segments.setStyle({
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opacity: sourceOpacity,
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});
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this._segmentsCasing.setStyle({
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opacity: sourceOpacity,
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});
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this._waypoints.eachLayer(function (marker) {
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marker.setOpacity(opacity);
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});
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if (this._distanceMarkers) {
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this._distanceMarkers.setOpacity(opacity);
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}
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},
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_setMarkerOpacity: function (e) {
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e.layer.setOpacity(this.options.icons.opacity);
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},
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_removeMarkerEvents: function (marker) {
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marker.off('mouseover', this._fireWaypointEvent, this);
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marker.off('mouseout', this._fireWaypointEvent, this);
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marker.off('dragstart', this._fireWaypointEvent, this);
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marker.off('dragend', this._fireWaypointEvent, this);
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marker.off('drag', this._fireWaypointEvent, this);
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marker.off('click', this._fireWaypointEvent, this);
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},
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clear: function () {
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var drawEnabled = this._draw._enabled;
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var current = this._waypoints._first;
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this.draw(false);
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if (current === null) {
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return;
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}
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this._removeMarkerEvents(current);
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while (current._routing.nextMarker) {
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var marker = current._routing.nextMarker;
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this._removeMarkerEvents(marker);
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current = marker;
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}
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this._waypoints._first = null;
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this._waypoints._last = null;
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this._waypoints.clearLayers();
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this._segments.clearLayers();
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this._removeDistanceMarkers();
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if (drawEnabled) {
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this.draw(true);
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}
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},
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setWaypoints: function (latLngs, beelineFlags, cb) {
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var i;
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var callbackCount = 0;
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var firstErr;
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var $this = this;
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var callback = function (err, data) {
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callbackCount++;
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firstErr = firstErr || err;
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if (callbackCount >= latLngs.length) {
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$this.fire('routing:setWaypointsEnd', { err: firstErr });
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if (cb) {
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cb(firstErr);
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}
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}
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};
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this.fire('routing:setWaypointsStart');
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// Workaround to optimize performance.
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// Add markers/layers to map "at once" and avoid a repaint for every single one.
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// Therefore remove and re-add FeatureGroup from/to map, also need to unset map reference,
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// as LayerGroup.addLayer would add to map anyway.
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this._waypoints.remove();
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this._waypoints._map = null;
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this._loadingTrailerGroup.remove();
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this._loadingTrailerGroup._map = null;
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for (i = 0; latLngs && i < latLngs.length; i++) {
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const beeline = beelineFlags && i < beelineFlags.length ? beelineFlags[i] : null;
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this.addWaypoint(latLngs[i], beeline, this._waypoints._last, null, callback);
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}
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this._loadingTrailerGroup._map = this._map;
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this._loadingTrailerGroup.addTo(this._map);
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this._waypoints._map = this._map;
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this._waypoints.addTo(this._map);
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},
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// patch to fix error when line is null or error line
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// (when called while still segments to calculate, e.g. permalink or fast drawing)
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toPolyline: function () {
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var latLngs = [];
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this._eachSegment(function (m1, m2, line) {
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// omit if null (still calculating) or error
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// NOTE: feature check specific to BRouter GeoJSON response, workaround to detect error line
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if (line && (line.feature || m1._routing.beeline)) {
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latLngs = latLngs.concat(line.getLatLngs());
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}
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});
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return L.polyline(latLngs);
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},
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_routeSegment: function (m1, m2, cb) {
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var loadingTrailer;
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// change segment color before request to indicate recalculation (mark old)
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if (m1 && m1._routing.nextLine !== null) {
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m1._routing.nextLine.setStyle({ color: 'dimgray' });
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}
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// animate dashed trailer as loading indicator
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if (m1 && m2) {
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loadingTrailer = new L.Polyline([m1.getLatLng(), m2.getLatLng()], {
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color: this.options.styles.track.color,
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opacity: this.options.styles.trailer.opacity,
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dashArray: [10, 10],
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className: 'loading-trailer',
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renderer: this._loadingTrailerRenderer,
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});
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this._loadingTrailerGroup.addLayer(loadingTrailer);
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}
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L.Routing.prototype._routeSegment.call(
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this,
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m1,
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m2,
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L.bind(function (err, data) {
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if (loadingTrailer) {
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this._loadingTrailerGroup.removeLayer(loadingTrailer);
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}
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cb(err, data);
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}, this)
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);
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},
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getSegments: function () {
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var segments = [];
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this._eachSegment(function (m1, m2, line) {
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// omit if null (still calculating) or error
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// NOTE: feature check specific to BRouter GeoJSON response, workaround to detect error line
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if (line && line.feature) {
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segments.push(line);
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}
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});
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return segments;
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},
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_keydownListener: function (e) {
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if (!BR.Util.keyboardShortcutsAllowed(e)) {
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return;
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}
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if (e.keyCode === this.options.shortcut.draw.disable) {
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this._draw.disable();
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} else if (e.keyCode === this.options.shortcut.draw.enable) {
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this._draw.enable();
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} else if (e.keyCode === this.options.shortcut.reverse) {
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this.reverse();
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} else if (e.keyCode === this.options.shortcut.deleteLastPoint) {
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this.deleteLastPoint();
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} else if (e.keyCode === this.options.shortcut.draw.beelineMode) {
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this.toggleBeelineDrawing();
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} else if (e.keyCode === this.options.shortcut.draw.beelineModifier) {
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this._draw._setTrailerStyle(true);
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}
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},
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_keyupListener: function (e) {
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if (e.keyCode === this.options.shortcut.draw.beelineModifier) {
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this._draw._setTrailerStyle(false);
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}
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},
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isDrawing: function () {
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return this._draw._enabled;
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},
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reverse: function () {
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const waypoints = this.getWaypoints();
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const beelineFlags = this.getBeelineFlags();
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waypoints.reverse();
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beelineFlags.reverse();
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this.clear();
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this.setWaypoints(waypoints, beelineFlags);
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},
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deleteLastPoint: function () {
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if ((lastPoint = this.getLast())) {
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this.removeWaypoint(lastPoint, function (err, data) {});
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}
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},
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_removeDistanceMarkers: function () {
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if (this._map && this._distanceMarkers) {
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this._map.removeLayer(this._distanceMarkers);
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}
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},
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_updateDistanceMarkers: function (e) {
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this._removeDistanceMarkers();
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if (this._map) {
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var distanceMarkersOpts = this.options.distanceMarkers || {};
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this._distanceMarkers = new L.DistanceMarkers(this.toPolyline(), this._map, distanceMarkersOpts);
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this._map.addLayer(this._distanceMarkers);
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}
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},
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_distance: function (latLng1, latLng2) {
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//return Math.round(latLng1.distanceTo(latLng2));
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const [ilon1, ilat1] = btools.util.CheapRuler.toIntegerLngLat([latLng1.lng, latLng1.lat]);
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const [ilon2, ilat2] = btools.util.CheapRuler.toIntegerLngLat([latLng2.lng, latLng2.lat]);
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return btools.util.CheapRuler.calcDistance(ilon1, ilat1, ilon2, ilat2);
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},
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_computeKinematic: function (distance, deltaHeight) {
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const rc = new BR.RoutingContext(this.profile);
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const stdPath = new BR.StdPath();
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stdPath.computeKinematic(rc, distance, deltaHeight, true);
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return stdPath;
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},
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_getCostFactor: function (line) {
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let costFactor = null;
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if (line) {
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const props = line.feature.properties;
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const length = props['track-length'];
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const cost = props['cost'];
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if (length) {
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costFactor = cost / length;
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}
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}
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return costFactor;
|
|
},
|
|
|
|
_interpolateBeelines: function (serialBeelines, before, after) {
|
|
let altStart = serialBeelines[0].getLatLngs()[0].alt;
|
|
const altEnd = serialBeelines[serialBeelines.length - 1].getLatLngs()[1].alt ?? altStart;
|
|
altStart ?? (altStart = altEnd);
|
|
|
|
let serialDelta = 0;
|
|
if (altStart != null && altEnd != null) {
|
|
serialDelta = altEnd - altStart;
|
|
}
|
|
const serialDistance = serialBeelines.reduce(
|
|
(dist, line) => (dist += line.feature.properties['track-length']),
|
|
0
|
|
);
|
|
|
|
let beforeCostFactor = this._getCostFactor(before);
|
|
let afterCostFactor = this._getCostFactor(after);
|
|
let costFactor;
|
|
if (beforeCostFactor != null && afterCostFactor != null) {
|
|
costFactor = Math.max(beforeCostFactor, afterCostFactor);
|
|
} else {
|
|
costFactor = beforeCostFactor ?? afterCostFactor ?? 0;
|
|
}
|
|
|
|
for (const beeline of serialBeelines) {
|
|
const props = beeline.feature.properties;
|
|
const distance = props['track-length'];
|
|
const deltaHeight = (serialDelta * distance) / serialDistance;
|
|
|
|
const stdPath = this._computeKinematic(distance, deltaHeight);
|
|
props['total-energy'] = stdPath.getTotalEnergy();
|
|
props['total-time'] = stdPath.getTotalTime();
|
|
|
|
// match BRouter/Java rounding where `(int)` cast truncates decimals
|
|
// https://github.com/abrensch/brouter/blob/14d5a2c4e6b101a2eab711e70151142881df95c6/brouter-core/src/main/java/btools/router/RoutingEngine.java#L1216-L1217
|
|
if (deltaHeight > 0) {
|
|
// no filtering for simplicity for now
|
|
props['filtered ascend'] = Math.trunc(deltaHeight);
|
|
}
|
|
props['plain-ascend'] = Math.trunc(deltaHeight + 0.5);
|
|
// do not set interpolated alt value, to explicitly show missing data, e.g. in height graph
|
|
|
|
props['cost'] = Math.round(distance * costFactor);
|
|
}
|
|
},
|
|
|
|
_updateBeelines: function () {
|
|
L.Routing.prototype._updateBeelines.call(this);
|
|
|
|
let serialBeelines = [];
|
|
let before = null;
|
|
|
|
this._eachSegment(function (m1, m2, line) {
|
|
if (line?._routing?.beeline) {
|
|
serialBeelines.push(line);
|
|
} else {
|
|
if (serialBeelines.length > 0) {
|
|
this._interpolateBeelines(serialBeelines, before, line);
|
|
}
|
|
before = line;
|
|
serialBeelines = [];
|
|
}
|
|
});
|
|
|
|
if (serialBeelines.length > 0) {
|
|
this._interpolateBeelines(serialBeelines, before, null);
|
|
}
|
|
},
|
|
|
|
createBeeline: function (latLng1, latLng2) {
|
|
const layer = L.Routing.prototype.createBeeline.call(this, latLng1, latLng2);
|
|
const distance = this._distance(latLng1, latLng2);
|
|
const props = {
|
|
cost: 0,
|
|
'filtered ascend': 0,
|
|
'plain-ascend': 0,
|
|
'total-energy': 0,
|
|
'total-time': 0,
|
|
'track-length': distance,
|
|
messages: [
|
|
[
|
|
'Longitude',
|
|
'Latitude',
|
|
'Elevation',
|
|
'Distance',
|
|
'CostPerKm',
|
|
'ElevCost',
|
|
'TurnCost',
|
|
'NodeCost',
|
|
'InitialCost',
|
|
'WayTags',
|
|
'NodeTags',
|
|
'Time',
|
|
'Energy',
|
|
],
|
|
[
|
|
latLng2.lng * 1000000,
|
|
latLng2.lat * 1000000,
|
|
null,
|
|
distance,
|
|
null,
|
|
null,
|
|
null,
|
|
null,
|
|
null,
|
|
'',
|
|
'',
|
|
null,
|
|
null,
|
|
],
|
|
],
|
|
};
|
|
layer.feature = turf.lineString(
|
|
[
|
|
[latLng1.lng, latLng1.lat],
|
|
[latLng2.lng, latLng2.lat],
|
|
],
|
|
props
|
|
);
|
|
|
|
// corresponding to BRouter._assignFeatures
|
|
for (const latLng of layer.getLatLngs()) {
|
|
const featureMessage = props.messages[1];
|
|
latLng.feature = BR.TrackEdges.getFeature(featureMessage);
|
|
latLng.message = featureMessage;
|
|
}
|
|
|
|
return layer;
|
|
},
|
|
});
|