mapcomplete/Logic/Actors/TitleHandler.ts

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2.6 KiB
TypeScript

import {UIEventSource} from "../UIEventSource";
import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
import Translations from "../../UI/i18n/Translations";
import Locale from "../../UI/i18n/Locale";
import {UIElement} from "../../UI/UIElement";
import TagRenderingAnswer from "../../UI/Popup/TagRenderingAnswer";
import {ElementStorage} from "../ElementStorage";
import Combine from "../../UI/Base/Combine";
class TitleElement extends UIElement {
private readonly _layoutToUse: UIEventSource<LayoutConfig>;
private readonly _selectedFeature: UIEventSource<any>;
private readonly _allElementsStorage: ElementStorage;
constructor(layoutToUse: UIEventSource<LayoutConfig>,
selectedFeature: UIEventSource<any>,
allElementsStorage: ElementStorage) {
super(layoutToUse);
this._layoutToUse = layoutToUse;
this._selectedFeature = selectedFeature;
this._allElementsStorage = allElementsStorage;
this.ListenTo(Locale.language);
this.ListenTo(this._selectedFeature)
this.dumbMode = false;
}
InnerRender(): string {
const defaultTitle = Translations.WT(this._layoutToUse.data?.title)?.txt ?? "MapComplete"
const feature = this._selectedFeature.data;
if (feature === undefined) {
return defaultTitle;
}
const layout = this._layoutToUse.data;
const properties = this._selectedFeature.data.properties;
for (const layer of layout.layers) {
if (layer.title === undefined) {
continue;
}
if (layer.source.osmTags.matchesProperties(properties)) {
const tags = this._allElementsStorage.getEventSourceById(feature.properties.id);
if (tags == undefined) {
return defaultTitle;
}
const title = new TagRenderingAnswer(tags, layer.title)
return new Combine([defaultTitle, " | ", title]).Render();
}
}
return defaultTitle;
}
}
export default class TitleHandler {
constructor(layoutToUse: UIEventSource<LayoutConfig>,
selectedFeature: UIEventSource<any>,
allElementsStorage: ElementStorage) {
selectedFeature.addCallbackAndRun(_ => {
const title = new TitleElement(layoutToUse, selectedFeature, allElementsStorage)
const d = document.createElement('div');
d.innerHTML = title.InnerRender();
// We pass everything into a div to strip out images etc...
document.title = (d.textContent || d.innerText);
})
}
}