fix hiding

website/src/lib/logic/hidden.ts

@@ -0,0 +1,67 @@
+import { get, writable, type Writable } from 'svelte/store';
+import { SelectedGPXFilesObserver, selection } from '$lib/logic/selection';
+import { fileStateCollection } from '$lib/logic/file-state';
+import {
+    ListFileItem,
+    ListTrackItem,
+    ListTrackSegmentItem,
+    ListWaypointItem,
+    ListWaypointsItem,
+} from '$lib/components/file-list/file-list';
+
+export class AllHidden {
+    private _value: Writable<boolean>;
+
+    constructor() {
+        this._value = writable(false);
+        new SelectedGPXFilesObserver(() => this.update());
+    }
+
+    subscribe(run: (value: boolean) => void, invalidate?: () => void) {
+        return this._value.subscribe(run, invalidate);
+    }
+
+    update() {
+        let hidden = true;
+        selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
+            let file = fileStateCollection.getFile(fileId);
+            if (file) {
+                for (let item of items) {
+                    if (!hidden) {
+                        return;
+                    }
+
+                    if (item instanceof ListFileItem) {
+                        hidden = hidden && file._data.hidden === true;
+                    } else if (
+                        item instanceof ListTrackItem &&
+                        item.getTrackIndex() < file.trk.length
+                    ) {
+                        hidden = hidden && file.trk[item.getTrackIndex()]._data.hidden === true;
+                    } else if (
+                        item instanceof ListTrackSegmentItem &&
+                        item.getTrackIndex() < file.trk.length &&
+                        item.getSegmentIndex() < file.trk[item.getTrackIndex()].trkseg.length
+                    ) {
+                        hidden =
+                            hidden &&
+                            file.trk[item.getTrackIndex()].trkseg[item.getSegmentIndex()]._data
+                                .hidden === true;
+                    } else if (item instanceof ListWaypointsItem) {
+                        hidden = hidden && file._data.hiddenWpt === true;
+                    } else if (
+                        item instanceof ListWaypointItem &&
+                        item.getWaypointIndex() < file.wpt.length
+                    ) {
+                        hidden = hidden && file.wpt[item.getWaypointIndex()]._data.hidden === true;
+                    }
+                }
+            }
+        });
+        if (hidden != get(this._value)) {
+            this._value.set(hidden);
+        }
+    }
+}
+
+export const allHidden = new AllHidden();