54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
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import {Changes} from "../Osm/Changes";
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import Constants from "../../Models/Constants";
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import {UIEventSource} from "../UIEventSource";
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export default class PendingChangesUploader{
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private lastChange : Date;
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constructor(changes: Changes, selectedFeature: UIEventSource<any>) {
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const self = this;
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this.lastChange = new Date();
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changes.pending.addCallback(() => {
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self.lastChange = new Date();
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window.setTimeout(() => {
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const diff = (new Date().getTime() - self.lastChange.getTime()) / 1000;
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if(Constants.updateTimeoutSec >= diff - 1){
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changes.flushChanges("Flushing changes due to timeout");
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}
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}, Constants.updateTimeoutSec * 1000);
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});
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selectedFeature
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.stabilized(10000)
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.addCallback(feature => {
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if(feature === undefined){
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// The popup got closed - we flush
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changes.flushChanges("Flushing changes due to popup closed");
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}
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});
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document.addEventListener('mouseout', e => {
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// @ts-ignore
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if (!e.toElement && !e.relatedTarget) {
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changes.flushChanges("Flushing changes due to focus lost");
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}
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});
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window.onbeforeunload = function(e){
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if(changes.pending.data.length == 0){
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return;
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}
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changes.flushChanges("onbeforeunload - probably closing or something similar");
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e.preventDefault();
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return "Saving your last changes..."
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}
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}
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}
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