72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
import {OsmConnection} from "./Logic/OsmConnection";
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import {Changes} from "./Logic/Changes";
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import {UIEventSource} from "./UI/UIEventSource";
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export class Helpers {
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static SetupAutoSave(changes: Changes, millisTillChangesAreSaved : UIEventSource<number>, saveAfterXMillis : number) {
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// This little function triggers the actual upload:
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// Either when more then three answers are selected, or when no new answer has been added for the last 20s
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// @ts-ignore
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window.decreaseTime = function () {
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var time = millisTillChangesAreSaved.data;
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if (time <= 0) {
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if (changes.pendingChangesES.data > 0) {
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changes.uploadAll(undefined);
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}
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} else {
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millisTillChangesAreSaved.setData(time - 1000);
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}
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window.setTimeout('decreaseTime()', 1000);
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};
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changes.pendingChangesES.addCallback(function () {
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var c = changes.pendingChangesES.data;
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if (c > 10) {
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millisTillChangesAreSaved.setData(0);
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changes.uploadAll(undefined);
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return;
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}
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if (c > 0) {
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millisTillChangesAreSaved.setData(saveAfterXMillis);
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}
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});
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// @ts-ignore
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window.decreaseTime(); // The timer keeps running...
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}
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/*
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* Registers an action that:
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* -> Upload everything to OSM
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* -> Asks the user not to close. The 'not to close' dialog should profide enough time to upload
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* -> WHen uploading is done, the window is closed anyway
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*/
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static LastEffortSave(changes : Changes){
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window.addEventListener("beforeunload", function (e) {
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// Quickly save everyting!
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if (changes.pendingChangesES.data == 0) {
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return "";
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}
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changes.uploadAll(function () {
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window.close()
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});
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var confirmationMessage = "Nog even geduld - je laatset wijzigingen worden opgeslaan!";
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(e || window.event).returnValue = confirmationMessage; //Gecko + IE
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return confirmationMessage; //Webkit, Safari, Chrome
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});
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}
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} |