illustrator.js/dist/layer/LayerManager.js

JavaScript image processing library

"use strict";
var _LayerManager_layers;
Object.defineProperty(exports, "__esModule", { value: true });
exports.LayerManager = void 0;
const tslib_1 = require("tslib");
const IllustratorCollection_1 = require("../utils/IllustratorCollection");
const randomId_1 = require("../utils/randomId");
const Layer_1 = require("./Layer");
class LayerManager {
    constructor(illustrator) {
        this.illustrator = illustrator;
        _LayerManager_layers.set(this, new IllustratorCollection_1.IllustratorCollection());
    }
    count() {
        return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").size;
    }
    createLayer(options) {
        if (!options.name || typeof options.name !== "string")
            throw new Error("Layer name is required");
        if (tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").findKey((x) => x.name === options.name))
            throw new Error("Layer with that name already exists");
        const id = (0, randomId_1.generateRandomId)();
        const layerObj = {
            id,
            layer: new Layer_1.Layer(this, id, options.config),
            name: options.name,
            position: options.position ?? this.count() + 1
        };
        tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").set(layerObj.id, layerObj);
        // rearrange
        layerObj.layer.setPosition(layerObj.position);
        return layerObj.layer;
    }
    duplicateLayer(layer, history, options) {
        if (!options.name || typeof options.name !== "string")
            throw new Error("Layer name is required");
        if (tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").findKey((x) => x.name === options.name))
            throw new Error("Layer with that name already exists");
        const id = (0, randomId_1.generateRandomId)();
        const layerObj = {
            id,
            layer: new Layer_1.Layer(this, id, options.config),
            name: options.name,
            position: options.position ?? this.count() + 1
        };
        layerObj.layer.setHistory(history);
        tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").set(layerObj.id, layerObj);
        layerObj.layer.setPosition(layer.position + 1);
        return layerObj.layer;
    }
    deleteLayer(layer) {
        const id = this.resolveId(layer);
        if (id == null)
            return false;
        return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").delete(id);
    }
    hasLayer(layer) {
        const id = this.resolveId(layer);
        return id != null;
    }
    getLayer(layer) {
        const l = this.resolveLayer(layer);
        if (l == null)
            return null;
        return l;
    }
    getLayerPosition(layer) {
        const l = this.resolve(layer);
        if (!l)
            return -1;
        return l.position;
    }
    setLayerPosition(layer, position) {
        if (position < 0)
            throw new Error(`invalid layer position index ${position}`);
        const l = this.resolve(layer);
        if (!l)
            return -1;
        const layersToBeUpdated = tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").filter((l) => l.position >= position);
        layersToBeUpdated.forEach((l) => {
            tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").set(l.id, {
                ...l,
                position: l.position + 1
            });
        });
        tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").set(l.id, {
            ...l,
            position
        });
        return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").get(l.id)?.position ?? -1;
    }
    resolveLayer(layer) {
        return this.resolve(layer)?.layer;
    }
    resolveId(layer) {
        return this.resolve(layer)?.id;
    }
    resolve(layer) {
        if (layer instanceof Layer_1.Layer)
            return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").get(layer.id);
        if (typeof layer === "number")
            return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").get(layer);
        if (typeof layer === "string")
            return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").find((l) => l.name === layer);
    }
    getAllLayers(ordered = true) {
        return ordered ? tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").array().sort((a, b) => b.position - a.position) : tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").array();
    }
    iterate() {
        return tslib_1.__classPrivateFieldGet(this, _LayerManager_layers, "f").values();
    }
}
exports.LayerManager = LayerManager;
_LayerManager_layers = new WeakMap();