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Warn when navigating away from page if there are edits

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This commit is contained in:
Edward Betts 2021-07-16 11:48:44 +02:00
parent 80cdff7024
commit e08b2cec5a
1 changed files with 18 additions and 0 deletions
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18
frontend/App.vue
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@ -598,6 +598,11 @@ var osmOrangeMarker = ExtraMarkers.icon({
prefix: "fa", prefix: "fa",
}); });
function beforeUnloadListener(event) {
event.preventDefault();
return event.returnValue = "";
};
export default { export default {
props: { props: {
startLat: Number, startLat: Number,
@ -745,6 +750,9 @@ export default {
}, },
}, },
watch: { watch: {
edits(edit_list) {
this.update_unload_warning(edit_list);
},
selected_items(new_items, old_items) { selected_items(new_items, old_items) {
for (const qid of Object.keys(new_items)) { for (const qid of Object.keys(new_items)) {
if (!old_items[qid]) if (!old_items[qid])
@ -807,6 +815,13 @@ export default {
} }
}, },
methods: { methods: {
update_unload_warning(edit_list) {
if (edit_list.length) {
addEventListener("beforeunload", beforeUnloadListener, {capture: true});
} else {
removeEventListener("beforeunload", beforeUnloadListener, {capture: true});
}
},
format_area(area) { format_area(area) {
var value, unit, dp; var value, unit, dp;
if(area > 1000 * 1000) { if(area > 1000 * 1000) {
@ -898,6 +913,7 @@ export default {
break; break;
case "done": case "done":
app.upload_state = "done"; app.upload_state = "done";
removeEventListener("beforeunload", beforeUnloadListener, {capture: true});
es.close(); es.close();
break; break;
} }
@ -936,6 +952,8 @@ export default {
this.edits.splice(index, 1); this.edits.splice(index, 1);
} }
this.update_unload_warning(this.edits);
var marker = this.getMarker(item); var marker = this.getMarker(item);
item.wikidata.markers.forEach((marker_data) => { item.wikidata.markers.forEach((marker_data) => {