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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",
});
function beforeUnloadListener(event) {
event.preventDefault();
return event.returnValue = "";
};
export default {
props: {
startLat: Number,
@ -745,6 +750,9 @@ export default {
},
},
watch: {
edits(edit_list) {
this.update_unload_warning(edit_list);
},
selected_items(new_items, old_items) {
for (const qid of Object.keys(new_items)) {
if (!old_items[qid])
@ -807,6 +815,13 @@ export default {
}
},
methods: {
update_unload_warning(edit_list) {
if (edit_list.length) {
addEventListener("beforeunload", beforeUnloadListener, {capture: true});
} else {
removeEventListener("beforeunload", beforeUnloadListener, {capture: true});
}
},
format_area(area) {
var value, unit, dp;
if(area > 1000 * 1000) {
@ -898,6 +913,7 @@ export default {
break;
case "done":
app.upload_state = "done";
removeEventListener("beforeunload", beforeUnloadListener, {capture: true});
es.close();
break;
}
@ -936,6 +952,8 @@ export default {
this.edits.splice(index, 1);
}
this.update_unload_warning(this.edits);
var marker = this.getMarker(item);
item.wikidata.markers.forEach((marker_data) => {