34 lines
819 B
JavaScript
34 lines
819 B
JavaScript
import {Container} from '@avocado/graphics';
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import LayerView from './layer-view';
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export default class LayersView extends Container {
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constructor(layers, renderer) {
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super();
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this.layers = layers;
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this.layerViews = {};
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this.renderer = renderer;
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this.layers.on('layerAdded', this.onLayerAdded, this);
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for (let i = 0; i < this.layers.layers.length; i++) {
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this.onLayerAdded(this.layers.layers[i], i);
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}
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this.layers.on('layerRemoved', this.onLayerRemoved, this);
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}
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onLayerAdded(layer, i) {
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const layerView = new LayerView(layer, this.renderer);
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this.layerViews[i] = layerView;
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this.addChild(layerView);
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}
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onLayerRemoved(layer, i) {
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const layerView = this.layerViews[i];
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if (!layerView) {
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return;
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}
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this.removeChild(layerView);
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}
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}
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