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bounds management

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This commit is contained in:
vcoppe
2025-10-19 16:14:05 +02:00
parent 117c46341b
commit e57ced0ce7
12 changed files with 258 additions and 182 deletions
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48
website/src/lib/logic/file-state.ts
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@@ -13,23 +13,12 @@ export class GPXFileState {
constructor(db: Database, fileId: string) {
this._file = writable(undefined);
let first = true;
this._subscription = liveQuery(() => db.files.get(fileId)).subscribe((value) => {
if (value !== undefined) {
let file = new GPXFile(value);
updateAnchorPoints(file);
let statistics = new GPXStatisticsTree(file);
if (first) {
// Update the map bounds for new files
// updateTargetMapBounds(
// id,
// statistics.getStatisticsFor(new ListFileItem(id)).global.bounds
// );
first = false;
}
this._file.set({ file, statistics });
}
});
@@ -55,27 +44,12 @@ export class GPXFileState {
// Observe the file ids in the database, and maintain a map of file states for the corresponding files
export class GPXFileStateCollection {
private _db: Database;
private _files: Writable<Map<string, GPXFileState>>;
constructor(db: Database) {
this._db = db;
this._files = writable(new Map());
}
subscribe(run: Subscriber<Map<string, GPXFileState>>, invalidate?: () => void) {
return this._files.subscribe(run, invalidate);
}
initialize(fitBounds: boolean) {
let initialize = true;
liveQuery(() => this._db.fileids.toArray()).subscribe((dbFileIds) => {
if (initialize) {
// if (fitBounds && dbFileIds.length > 0) {
// initTargetMapBounds(dbFileIds);
// }
initialize = false;
}
liveQuery(() => db.fileids.toArray()).subscribe((dbFileIds) => {
const currentFiles = get(this._files);
// Find new files to observe
let newFiles = dbFileIds
@@ -90,7 +64,7 @@ export class GPXFileStateCollection {
// Update the map of file states
this._files.update(($files) => {
newFiles.forEach((id) => {
$files.set(id, new GPXFileState(this._db, id));
$files.set(id, new GPXFileState(db, id));
});
deletedFiles.forEach((id) => {
$files.get(id)?.destroy();
@@ -111,6 +85,10 @@ export class GPXFileStateCollection {
});
}
subscribe(run: Subscriber<Map<string, GPXFileState>>, invalidate?: () => void) {
return this._files.subscribe(run, invalidate);
}
get size(): number {
return get(this._files).size;
}
@@ -141,21 +119,21 @@ export class GPXFileStateCollection {
// Collection of all file states
export const fileStateCollection = new GPXFileStateCollection(db);
export type GPXFileStateCallback = (fileId: string, fileState: GPXFileState) => void;
export type GPXFileStateCallback = (files: Map<string, GPXFileState>) => void;
export class GPXFileStateCollectionObserver {
private _fileIds: Set<string>;
private _onFileAdded: GPXFileStateCallback;
private _onFilesAdded: GPXFileStateCallback;
private _onFileRemoved: (fileId: string) => void;
private _onDestroy: () => void;
private _unsubscribe: () => void;
constructor(
onFileAdded: GPXFileStateCallback,
onFilesAdded: GPXFileStateCallback,
onFileRemoved: (fileId: string) => void,
onDestroy: () => void
) {
this._fileIds = new Set();
this._onFileAdded = onFileAdded;
this._onFilesAdded = onFilesAdded;
this._onFileRemoved = onFileRemoved;
this._onDestroy = onDestroy;
@@ -166,12 +144,16 @@ export class GPXFileStateCollectionObserver {
this._fileIds.delete(fileId);
}
});
let newFiles = new Map<string, GPXFileState>();
files.forEach((file: GPXFileState, fileId: string) => {
if (!this._fileIds.has(fileId)) {
this._onFileAdded(fileId, file);
newFiles.set(fileId, file);
this._fileIds.add(fileId);
}
});
if (newFiles.size > 0) {
this._onFilesAdded(newFiles);
}
});
}