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import { SvelteMap, SvelteSet } from 'svelte/reactivity';
import { tables } from './idb.svelte.js';
import { getMetadataValue } from './metadata/index.js';
import { defaultClassificationMetadata, defaultCropMetadata } from './protocols.js';
import { isMetadataInProtocol } from './schemas/protocols.js';
import { mapValues, omit, pick, transformObject } from './utils.js';
/**
* @import * as DB from './database';
* @import { TypedMetadataValue } from './metadata/index.js';
* @import { ZoomState } from './DraggableBoundingBox.svelte.js';
*/
/**
* @template {string} [Groups=string]
* @typedef Keybind
* @type {object}
* @property {Groups} [group] used to group keybinds together in help dialogs
* @property {string} help
* @property {(e: MouseEvent|KeyboardEvent) => unknown} do
* @property {boolean} [hidden=false] hide the keybinding from help
* @property {boolean} [debug=false] only activate the keybinding in debug mode, hide it from help otherwise
* @property {(e: MouseEvent|KeyboardEvent) => boolean} [when=() => true] condition to check before executing the keybind
* @property {boolean} [allowInModals=false] allow the keybind to be active even when a modal is open
*/
/**
* @template {string} [Groups=string]
* @typedef Keymap
* @type {Record<string, Keybind<Groups>>}
*/
export class UIState {
constructor() {
// Can't use if(window) cuz variable might be undeclared
// Can't use if(browser) cuz $app/environment imports don't work when transforming worker code
try {
window.uiState = this;
} catch {
// ok
}
}
/**
* Returns a JSON-compatible object of the state.
* Used for debugging purposes
*/
snapshot() {
return $state.snapshot({
processing: pick(this.processing, 'files', 'total', 'done', 'time', 'task'),
eta: this.eta,
selection: this.selection,
imageOpenedInCropper: this.imageOpenedInCropper,
imagePreviouslyOpenedInCropper: this.imagePreviouslyOpenedInCropper,
previewURLs: Object.fromEntries(this.previewURLs.entries()),
globalPreviewURLs: Object.fromEntries(this.globalPreviewURLs.entries()),
erroredImages: Object.fromEntries(this.erroredImages.entries()),
loadingImages: Array.from(this.loadingImages),
queuedImages: Array.from(this.queuedImages),
keybinds: mapValues(this.keybinds, (bind) =>
transformObject(bind, (key, value) => (key === 'do' ? undefined : [key, value]))
),
currentSessionId: this.currentSessionId,
currentSession: this.currentSession ? omit(this.currentSession, 'metadata') : null,
currentProtocol: this.currentProtocol ? pick(this.currentProtocol, 'id', 'name') : null,
classificationMetadata: this.classificationMetadata
? pick(this.classificationMetadata, 'id', 'infer')
: null,
cropMetadata: this.cropMetadata ? pick(this.cropMetadata, 'id', 'infer') : null,
classificationModels: this.classificationModels,
cropModels: this.cropModels,
selectedCropModel: this.selectedCropModel,
selectedClassificationModel: this.selectedClassificationModel,
cropInferenceAvailable: this.cropInferenceAvailable,
classificationInferenceAvailable: this.classificationInferenceAvailable,
});
}
processing = $state({
/** @type {Array<{name: string; id: string; addedAt: Date }>} */
files: [],
/** @type {number} */
total: 0,
/** @type {number} */
done: 0,
/** @type {number} */
time: 0,
/** @type {''|'import'|'detection'|'classification'|'export'} */
task: '',
/** @type {number} */
get progress() {
return this.total ? this.done / this.total : 0;
},
/** @type {(id: string) => void} */
removeFile(id) {
const idx = this.files.findIndex((f) => f.id === id);
if (idx === -1) return;
this.files.splice(idx, 1);
},
/** @type {() => void} */
reset() {
this.total = 0;
this.done = 0;
this.time = 0;
this.task = '';
},
});
#eta = new ETA({ total: 0 });
/** @param {number} total, @param {number} done */
#updateETA(done, total) {
if (done >= total || total === 0) {
this.#eta.reset();
return;
}
this.#eta.update(done, total);
}
eta = $derived.by(() => {
this.#updateETA(this.processing.done, this.processing.total);
return this.#eta.estimate();
});
/** @type {string[]} */
selection = $state([]);
/** @type {string | ''} */
imageOpenedInCropper = $state('');
/** @type {string | ''} */
imagePreviouslyOpenedInCropper = $state('');
/** @type {Map<string, string>} */
previewURLs = new SvelteMap();
/** @type {Map<string, string>} These persist across session changes */
globalPreviewURLs = new SvelteMap();
/** @type {Set<string>} Persisted set of inference session IDs loaded on the client */
loadedInferenceSessions = new SvelteSet();
/** @type {Map<string, string>} */
erroredImages = new SvelteMap();
/** @type {Set<string>} */
loadingImages = new SvelteSet();
/** @type {Set<string>} */
queuedImages = new SvelteSet();
/** @type {Keymap} */
keybinds = $state({});
/** @type {Map<string, import('./DraggableBoundingBox.svelte.js').ZoomState>} */
cropperZoomStates = new SvelteMap();
/** @type {undefined | ((newSelection: string[]) => void)} */
setSelection = $state(undefined);
/** @type {string | null} */
_currentSessionId = $state(null);
/** @type {string | null} */
currentSessionId = $derived(
this._currentSessionId || localStorage.getItem('currentSessionId') || null
);
/**
* @param {string | null} id
*/
async setCurrentSession(id) {
if (id === null) {
localStorage.removeItem('currentSessionId');
} else {
localStorage.setItem('currentSessionId', id);
}
this._currentSessionId = id;
}
/** @type {import('./database').Session | undefined} */
currentSession = $derived(tables.Session.state.find((s) => s.id === this.currentSessionId));
currentProtocolId = $derived(this.currentSession?.protocol);
/** @type {import('./database').Protocol | undefined} */
currentProtocol = $derived(tables.Protocol.state.find((p) => p.id === this.currentProtocolId));
classificationMetadata = $derived(
this.currentProtocol
? defaultClassificationMetadata(this.currentProtocol, tables.Metadata.state)
: undefined
);
classificationMetadataId = $derived(this.classificationMetadata?.id);
cropMetadata = $derived(
this.currentProtocol
? defaultCropMetadata(this.currentProtocol, tables.Metadata.state)
: undefined
);
/** @type {string} */
cropMetadataId = $derived(this.cropMetadata?.id ?? 'crop');
/**
* @param {import('./database').Image} image
* @returns {import('./metadata').TypedMetadataValue<'boundingbox'>|undefined}
*/
cropMetadataValueOf(image) {
return getMetadataValue(image, 'boundingbox', this.cropMetadataId);
}
/**
* @param {import('./database').Image} image
* @returns {import('./metadata').TypedMetadataValue<'enum'>|undefined}
*/
classificationMetadataValueOf(image) {
if (!this.classificationMetadataId) return undefined;
return getMetadataValue(image, 'enum', this.classificationMetadataId);
}
/**
* @param {string | undefined | null} imageFileId
* @returns {boolean}
*/
hasPreviewURL(imageFileId) {
if (!imageFileId) return false;
return this.globalPreviewURLs.has(imageFileId) || this.previewURLs.has(imageFileId);
}
/**
*
* @param {string | undefined | null} imageFileId
* @returns {string | undefined}
*/
getPreviewURL(imageFileId) {
if (!imageFileId) return undefined;
return this.previewURLs.get(imageFileId) || this.globalPreviewURLs.get(imageFileId);
}
/**
* @param {string | undefined | null} imageFileId
* @param {string} url
* @param {boolean} [global=false]
*/
setPreviewURL(imageFileId, url, global = false) {
console.debug('setPreviewURL', { imageFileId, url, global });
if (!imageFileId) return;
if (global) {
this.globalPreviewURLs.set(imageFileId, url);
} else {
this.previewURLs.set(imageFileId, url);
}
}
/**
* @param {string} imageFileId
*/
revokePreviewURL(imageFileId) {
const url = this.previewURLs.get(imageFileId);
if (!url) return;
URL.revokeObjectURL(url);
this.previewURLs.delete(imageFileId);
this.globalPreviewURLs.delete(imageFileId);
}
clearPreviewURLs() {
for (const id of this.previewURLs.keys()) {
this.revokePreviewURL(id);
}
}
/** @type {typeof import('$lib/schemas/neural.js').NeuralEnumInference.infer[]} */
classificationModels = $derived.by(() => {
const inference = this.classificationMetadata?.infer;
if (!inference) return [];
Iif (!('neural' in inference)) return [];
return inference.neural;
});
/**
* Classification metadata with an enabled neural model selection.
* @type {import('./database').Metadata[]}
*/
enabledClassificationMetadata = $derived.by(() => {
return this.allClassificationMetadata.filter(
(metadata) => (this.currentSession?.inferenceModels[metadata.id] ?? 0) !== -1
);
});
/**
* All metadata with neural enum inference (not just the first one)
* @type {import('./database').Metadata[]}
*/
allClassificationMetadata = $derived.by(() => {
const protocol = this.currentProtocol;
Iif (!protocol) return [];
const inferenceMetadata = tables.Metadata.state
.filter((m) => m.type === 'enum')
.filter((m) => isMetadataInProtocol(protocol, m.id))
.filter((m) => m.infer && 'neural' in m.infer);
return inferenceMetadata;
});
/**
* Maps metadata IDs to their neural inference models
* @type {import('./database').Metadata['id'] extends string ? Record<import('./database').Metadata['id'], typeof import('$lib/schemas/neural.js').NeuralEnumInference.infer[]> : never}
*/
allClassificationModels = $derived.by(() => {
/** @type {Record<string, any>} */
const result = {};
for (const metadata of this.allClassificationMetadata) {
const inference = metadata.infer;
Eif (inference && 'neural' in inference) {
result[metadata.id] = inference.neural;
}
}
return result;
});
/**
* Maps metadata IDs to their selected model indices
* @type {import('./database').Metadata['id'] extends string ? Record<import('./database').Metadata['id'], number> : never}
*/
selectedClassificationModels = $derived.by(() => {
/** @type {Record<string, number>} */
const result = {};
for (const metadata of this.allClassificationMetadata) {
result[metadata.id] = this.currentSession?.inferenceModels[metadata.id] ?? 0;
}
return result;
});
/** @type {typeof import('$lib/schemas/neural.js').NeuralBoundingBoxInference.infer[]} */
cropModels = $derived.by(() => {
const inference = this.cropMetadata?.infer;
if (!inference) return [];
Iif (!('neural' in inference)) return [];
return inference.neural;
});
/** @type {number} */
selectedCropModel = $derived.by(() => {
if (!this.currentProtocolId) return -1;
const metadataId = this.cropMetadataId;
Iif (!metadataId) return -1;
return this.currentSession?.inferenceModels[metadataId] ?? 0;
});
/** @type {number} */
selectedClassificationModel = $derived.by(() => {
if (!this.currentProtocolId) return -1;
const metadataId = this.classificationMetadataId;
if (!metadataId) return -1;
return this.currentSession?.inferenceModels[metadataId] ?? 0;
});
/** @type {boolean} */
cropInferenceAvailable = $derived(this.cropModels.length > 0 && this.selectedCropModel !== -1);
/** @type {boolean} */
classificationInferenceAvailable = $derived(this.enabledClassificationMetadata.length > 0);
/**
* Set the selected model index for a classification metadata.
* @param {string} metadataId
* @param {number} modelIndex -1 disables inference for that metadata
* @returns {Promise<void>}
*/
async setClassificationModelSelection(metadataId, modelIndex) {
if (!this.currentSession) return;
const current = this.currentSession.inferenceModels;
if ((current[metadataId] ?? 0) === modelIndex) return;
await tables.Session.update(this.currentSession.id, 'inferenceModels', {
...current,
[metadataId]: modelIndex,
});
}
/**
* @param {{ classification?: number | null, crop?: number | null }} indices
* @returns {Promise<void>}
*/
async setModelSelections({ classification = null, crop = null }) {
if (!this.currentSession) return;
if (classification === null && crop === null) return; // no change
const metadataIds = {
classification: this.classificationMetadataId,
crop: this.cropMetadataId,
};
if (!metadataIds.classification || !metadataIds.crop) return;
const current = this.currentSession.inferenceModels;
/** @type {Record<string, number>} */
const changes = {};
if (classification !== null && classification !== this.selectedClassificationModel) {
changes[metadataIds.classification] = classification;
}
if (crop !== null && crop !== this.selectedCropModel) {
changes[metadataIds.crop] = crop;
}
if (Object.keys(changes).length === 0) {
return; // no change
}
await tables.Session.update(this.currentSession.id, 'inferenceModels', {
...current,
...changes,
});
}
/**
* Toggle selection of given id(s).
* Does nothing if setSelection is not defined
*
* When given multiple IDs, it'll add them all unless they are all already selected, in which case it'll remove them all.
* @param {...string} ids
*/
toggleSelection(...ids) {
if (!this.setSelection) return;
if (ids.length === 0) return;
const allSelected = ids.every((id) => this.selection.includes(id));
if (allSelected) {
this.setSelection(this.selection.filter((id) => !ids.includes(id)));
} else {
this.setSelection([...this.selection, ...ids]);
}
}
}
export const uiState = new UIState();
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