mapcomplete/UI/MessageBoxHandler.ts

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/**
* Keeps 'messagebox' and 'messageboxmobile' in sync, shows a 'close' button on the latter one
*/
import {UIEventSource} from "./UIEventSource";
import {UIElement} from "./UIElement";
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import {VariableUiElement} from "./Base/VariableUIElement";
export class MessageBoxHandler {
private _uielement: UIEventSource<() => UIElement>;
constructor(uielement: UIEventSource<() => UIElement>,
onClear: (() => void)) {
this._uielement = uielement;
this.listenTo(uielement);
this.update();
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window.onhashchange = function () {
if (location.hash === "") {
// No more element: back to the map!
uielement.setData(undefined);
onClear();
}
}
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new VariableUiElement(new UIEventSource<string>("<h2>Return to the map</h2>"),
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() => {
document.getElementById("to-the-map").onclick = function () {
uielement.setData(undefined);
onClear();
}
}
).AttachTo("to-the-map");
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}
listenTo(uiEventSource: UIEventSource<any>) {
const self = this;
uiEventSource.addCallback(function () {
self.update();
})
}
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update() {
const wrapper = document.getElementById("messagesboxmobilewrapper");
const gen = this._uielement.data;
console.log("Generator: ", gen);
if (gen === undefined) {
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wrapper.classList.add("hidden")
if (location.hash !== "") {
location.hash = ""
}
return;
}
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location.hash = "#element"
wrapper.classList.remove("hidden");
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/* gen()
?.HideOnEmpty(true)
?.AttachTo("messagesbox")
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?.Activate();*/
gen()
?.HideOnEmpty(true)
?.AttachTo("messagesboxmobile")
?.Activate();
}
}