mapcomplete/Helpers.ts

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import {OsmConnection} from "./Logic/OsmConnection";
import {Changes} from "./Logic/Changes";
import {UIEventSource} from "./UI/UIEventSource";
export class Helpers {
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static DoEvery(millis: number, f: (() => void)) {
window.setTimeout(
function () {
f();
Helpers.DoEvery(millis, f);
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}
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, millis)
}
static SetupAutoSave(changes: Changes, millisTillChangesAreSaved: UIEventSource<number>, saveAfterXMillis: number) {
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changes.pendingChangesES.addCallback(function () {
var c = changes.pendingChangesES.data;
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if (c > 10) {
millisTillChangesAreSaved.setData(0);
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changes.uploadAll(undefined);
return;
}
if (c > 0) {
millisTillChangesAreSaved.setData(saveAfterXMillis);
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}
});
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millisTillChangesAreSaved.addCallback((time) => {
if (time <= 0 && changes.pendingChangesES.data > 0) {
changes.uploadAll(undefined);
}
}
)
Helpers.DoEvery(
1000,
() => {
millisTillChangesAreSaved
.setData(millisTillChangesAreSaved.data - 1000)
});
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}
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/*
* Registers an action that:
* -> Upload everything to OSM
* -> Asks the user not to close. The 'not to close' dialog should profide enough time to upload
* -> WHen uploading is done, the window is closed anyway
*/
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static LastEffortSave(changes: Changes) {
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window.addEventListener("beforeunload", function (e) {
// Quickly save everyting!
if (changes.pendingChangesES.data == 0) {
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return "";
}
changes.uploadAll(function () {
window.close()
});
var confirmationMessage = "Nog even geduld - je laatset wijzigingen worden opgeslaan!";
(e || window.event).returnValue = confirmationMessage; //Gecko + IE
return confirmationMessage; //Webkit, Safari, Chrome
});
}
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}