mapcomplete/UI/SimpleAddUI.ts

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import {UIElement} from "./UIElement";
import {UIEventSource} from "./UIEventSource";
import {Tag} from "../Logic/TagsFilter";
import {FilteredLayer} from "../Logic/FilteredLayer";
import {Changes} from "../Logic/Changes";
import {FixedUiElement} from "./Base/FixedUiElement";
import {Button} from "./Base/Button";
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import {UserDetails} from "../Logic/OsmConnection";
import Translations from "./i18n/Translations";
import Combine from "./Base/Combine";
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/**
* Asks to add a feature at the last clicked location, at least if zoom is sufficient
*/
export class SimpleAddUI extends UIElement {
private _zoomlevel: UIEventSource<{ zoom: number }>;
private _addButtons: UIElement[];
private _lastClickLocation: UIEventSource<{ lat: number; lon: number }>;
private _changes: Changes;
private _selectedElement: UIEventSource<{feature: any}>;
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private _dataIsLoading: UIEventSource<boolean>;
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private _userDetails: UIEventSource<UserDetails>;
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constructor(zoomlevel: UIEventSource<{ zoom: number }>,
lastClickLocation: UIEventSource<{ lat: number, lon: number }>,
changes: Changes,
selectedElement: UIEventSource<{feature: any}>,
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dataIsLoading: UIEventSource<boolean>,
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userDetails: UIEventSource<UserDetails>,
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addButtons: { name: UIElement; icon: string; tags: Tag[]; layerToAddTo: FilteredLayer }[],
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) {
super(zoomlevel);
this._zoomlevel = zoomlevel;
this._lastClickLocation = lastClickLocation;
this._changes = changes;
this._selectedElement = selectedElement;
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this._dataIsLoading = dataIsLoading;
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this._userDetails = userDetails;
this.ListenTo(userDetails);
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this.ListenTo(dataIsLoading);
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this._addButtons = [];
for (const option of addButtons) {
// <button type='button'> looks SO retarded
// the default type of button is 'submit', which performs a POST and page reload
const button =
new Button(Translations.t.general.add.addNew.Subs({category: option.name}),
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this.CreatePoint(option));
this._addButtons.push(button);
}
}
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private CreatePoint(option: {icon: string; tags: Tag[]; layerToAddTo: FilteredLayer }) {
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const self = this;
return () => {
const loc = self._lastClickLocation.data;
let feature = self._changes.createElement(option.tags, loc.lat, loc.lon);
option.layerToAddTo.AddNewElement(feature);
self._selectedElement.setData({feature: feature});
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}
}
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InnerRender(): string {
const header = Translations.t.general.add.header;
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if (!this._userDetails.data.loggedIn) {
return new Combine([header, Translations.t.general.add.pleaseLogin]).Render()
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}
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if (this._zoomlevel.data.zoom < 19) {
return new Combine([header, Translations.t.general.add.zoomInFurther]).Render()
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}
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if (this._dataIsLoading.data) {
return new Combine([header, Translations.t.general.add.stillLoading]).Render()
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}
var html = "";
for (const button of this._addButtons) {
html += button.Render();
}
return header.Render() + html;
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}
InnerUpdate(htmlElement: HTMLElement) {
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this._userDetails.data.osmConnection.registerActivateOsmAUthenticationClass();
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}
}