polygon.ts
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///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
import L, { LatLngExpression, LatLngTuple, LeafletMouseEvent } from 'leaflet';
import { createTooltip, parseWithTranslation, safeExecute } from './maps-utils';
import { PolygonSettings } from './map-models';
import { DatasourceData } from '@app/shared/models/widget.models';
export class Polygon {
leafletPoly: L.Polygon;
tooltip;
data;
dataSources;
constructor(public map, polyData: DatasourceData, dataSources, private settings: PolygonSettings) {
this.leafletPoly = L.polygon(polyData.data, {
fill: true,
fillColor: settings.polygonColor,
color: settings.polygonStrokeColor,
weight: settings.polygonStrokeWeight,
fillOpacity: settings.polygonOpacity,
opacity: settings.polygonStrokeOpacity
}).addTo(this.map);
this.dataSources = dataSources;
this.data = polyData;
if (settings.showPolygonTooltip) {
this.tooltip = createTooltip(this.leafletPoly, settings, polyData.datasource);
this.updateTooltip(polyData);
}
if (settings.polygonClick) {
this.leafletPoly.on('click', (event: LeafletMouseEvent) => {
for (const action in this.settings.polygonClick) {
if (typeof (this.settings.polygonClick[action]) === 'function') {
this.settings.polygonClick[action](event.originalEvent, polyData.datasource);
}
}
});
}
}
updateTooltip(data: DatasourceData) {
const pattern = this.settings.usePolygonTooltipFunction ?
safeExecute(this.settings.polygonTooltipFunction, [this.data, this.dataSources, this.data.dsIndex]) :
this.settings.polygonTooltipPattern;
this.tooltip.setContent(parseWithTranslation.parseTemplate(pattern, data, true));
}
updatePolygon(data: LatLngTuple[], dataSources: DatasourceData[], settings: PolygonSettings) {
this.data = data;
this.dataSources = dataSources;
this.leafletPoly.setLatLngs(data);
if (settings.showPolygonTooltip)
this.updateTooltip(this.data);
this.updatePolygonColor(settings);
}
removePolygon() {
this.map.removeLayer(this.leafletPoly);
}
updatePolygonColor(settings: PolygonSettings) {
const color = settings.usePolygonColorFunction ?
safeExecute(settings.polygonColorFunction, [this.data, this.dataSources, this.data.dsIndex]) : settings.polygonColor;
const style: L.PathOptions = {
fill: true,
fillColor: color,
color: settings.polygonStrokeColor,
weight: settings.polygonStrokeWeight,
fillOpacity: settings.polygonOpacity,
opacity: settings.polygonStrokeOpacity
};
this.leafletPoly.setStyle(style);
}
getPolygonLatLngs() {
return this.leafletPoly.getLatLngs();
}
setPolygonLatLngs(latLngs: LatLngExpression[]) {
this.leafletPoly.setLatLngs(latLngs);
this.leafletPoly.redraw();
}
}