import { Layer, type RendererOptions } from "./Layer";
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export class LayerGroup extends Layer {
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layers: Layer[];
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constructor(options: RendererOptions) {
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super(options);
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this.layers = [];
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}
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get isGroup() {
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return true;
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}
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get length() {
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return this.layers.length;
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}
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addLayer(options: RendererOptions): Layer {
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const layer = new Layer({
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group: this,
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...options,
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});
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this.layers.push(layer);
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this.sortLayers();
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return layer;
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}
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removeLayer(layer: Layer) {
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this.layers = this.layers.filter((l) => l !== layer);
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}
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remove() {
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this.layers.forEach((layer) => {
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layer.remove();
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});
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this.layers = [];
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super.remove();
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}
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clear(): void {
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this.layers.forEach((layer) => {
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layer.clear();
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});
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super.clear();
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}
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setSize(width: number, height: number) {
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this.layers.forEach((layer) => {
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layer.setSize(width, height);
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});
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super.setSize(width, height);
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}
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sortLayers() {
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this.layers.sort((a, b) => a.index - b.index);
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}
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}
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