{#if $routing}
{/if}
{i18n._('toolbar.routing.reverse.button')}
{
const selected = selection.getOrderedSelection();
if (selected.length > 0) {
const firstFileId = selected[0].getFileId();
const firstFile = fileStateCollection.getFile(firstFileId);
if (firstFile) {
let start = (() => {
if (selected[0] instanceof ListFileItem) {
return firstFile.trk[0]?.trkseg[0]?.trkpt[0];
} else if (selected[0] instanceof ListTrackItem) {
return firstFile.trk[selected[0].getTrackIndex()]?.trkseg[0]
?.trkpt[0];
} else if (selected[0] instanceof ListTrackSegmentItem) {
return firstFile.trk[selected[0].getTrackIndex()]?.trkseg[
selected[0].getSegmentIndex()
]?.trkpt[0];
}
})();
if (start !== undefined) {
const lastFileId = selected[selected.length - 1].getFileId();
routingControls
.get(lastFileId)
?.appendAnchorWithCoordinates(start.getCoordinates());
}
}
}
}}
>
{i18n._('toolbar.routing.route_back_to_start.button')}
{i18n._('toolbar.routing.round_trip.button')}
{#if !validSelection}
{i18n._('toolbar.routing.help_no_file')}
{:else}
{i18n._('toolbar.routing.help')}
{/if}
{/if}