MapComplete/src/Logic/FeatureSource/Sources/LastClickFeatureSource.ts

68 lines
2.7 KiB
TypeScript

import LayoutConfig from "../../../Models/ThemeConfig/LayoutConfig";
import { WritableFeatureSource } from "../FeatureSource";
import { ImmutableStore, Store, UIEventSource } from "../../UIEventSource";
import { Feature, Point } from "geojson";
import { TagUtils } from "../../Tags/TagUtils";
import BaseUIElement from "../../../UI/BaseUIElement";
import { Utils } from "../../../Utils";
import { OsmTags } from "../../../Models/OsmFeature";
/**
* Highly specialized feature source.
* Based on a lon/lat UIEVentSource, will generate the corresponding feature with the correct properties
*/
export class LastClickFeatureSource implements WritableFeatureSource {
public readonly features: UIEventSource<Feature[]> = new UIEventSource<Feature[]>([]);
public readonly hasNoteLayer: boolean;
public readonly renderings: string[];
public readonly hasPresets: boolean;
private i: number = 0;
constructor(location: Store<{ lon: number; lat: number }>, layout: LayoutConfig) {
this.hasNoteLayer = layout.layers.some((l) => l.id === "note");
this.hasPresets = layout.layers.some((l) => l.presets?.length > 0);
const allPresets: BaseUIElement[] = [];
for (const layer of layout.layers)
for (let i = 0; i < (layer.presets ?? []).length; i++) {
const preset = layer.presets[i];
const tags = new ImmutableStore(TagUtils.KVtoProperties(preset.tags));
const { html } = layer.mapRendering[0].RenderIcon(tags, false, {
noSize: true,
includeBadges: false
});
allPresets.push(html);
}
this.renderings = Utils.Dedup(
allPresets.map((uiElem) =>
Utils.runningFromConsole ? "" : uiElem.ConstructElement().innerHTML
)
);
location.addCallbackAndRunD(({ lon, lat }) => {
this.features.setData([this.createFeature(lon, lat)]);
});
}
public createFeature(lon: number, lat: number): Feature<Point, OsmTags> {
const properties: OsmTags = {
lastclick: "yes",
id: "last_click_" + this.i,
has_note_layer: this.hasNoteLayer ? "yes" : "no",
has_presets: this.hasPresets ? "yes" : "no",
renderings: this.renderings.join(""),
number_of_presets: "" + this.renderings.length,
first_preset: this.renderings[0]
};
this.i++;
return <Feature<Point, OsmTags>>{
type: "Feature",
properties,
geometry: {
type: "Point",
coordinates: [lon, lat]
}
};
}
}