mapcomplete/Helpers.ts
2020-06-27 03:06:51 +02:00

72 lines
No EOL
2.2 KiB
TypeScript

import {OsmConnection} from "./Logic/OsmConnection";
import {Changes} from "./Logic/Changes";
import {UIEventSource} from "./UI/UIEventSource";
export class Helpers {
static SetupAutoSave(changes: Changes, millisTillChangesAreSaved : UIEventSource<number>, saveAfterXMillis : number) {
// This little function triggers the actual upload:
// Either when more then three answers are selected, or when no new answer has been added for the last 20s
// @ts-ignore
window.decreaseTime = function () {
var time = millisTillChangesAreSaved.data;
if (time <= 0) {
if (changes.pendingChangesES.data > 0) {
changes.uploadAll(undefined);
}
} else {
millisTillChangesAreSaved.setData(time - 1000);
}
window.setTimeout('decreaseTime()', 1000);
};
changes.pendingChangesES.addCallback(function () {
var c = changes.pendingChangesES.data;
if (c > 10) {
millisTillChangesAreSaved.setData(0);
changes.uploadAll(undefined);
return;
}
if (c > 0) {
millisTillChangesAreSaved.setData(saveAfterXMillis);
}
});
// @ts-ignore
window.decreaseTime(); // The timer keeps running...
}
/*
* 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
*/
static LastEffortSave(changes : Changes){
window.addEventListener("beforeunload", function (e) {
// Quickly save everyting!
if (changes.pendingChangesES.data == 0) {
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
});
}
}