90 lines
2.8 KiB
TypeScript
90 lines
2.8 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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import {PendingChanges} from "./UI/PendingChanges";
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export class Helpers {
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static SetupAutoSave(changes: Changes, secondsTillChangesAreSaved : UIEventSource<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 = secondsTillChangesAreSaved.data;
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if (time <= 0) {
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if (changes._pendingChanges.length > 0) {
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changes.uploadAll(undefined);
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}
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} else {
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secondsTillChangesAreSaved.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._pendingChanges.length;
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if (c > 10) {
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secondsTillChangesAreSaved.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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secondsTillChangesAreSaved.setData(5000);
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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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* All elements with class 'activate-osm-authentication' are loaded and get an 'onclick' to authenticate
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* @param osmConnection
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*/
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static registerActivateOsmAUthenticationClass(osmConnection: OsmConnection) {
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const authElements = document.getElementsByClassName("activate-osm-authentication");
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for (let i = 0; i < authElements.length; i++) {
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let element = authElements.item(i);
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// @ts-ignore
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element.onclick = function () {
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osmConnection.AttemptLogin();
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}
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}
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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._pendingChanges.length == 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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} |