63 lines
1.4 KiB
TypeScript
63 lines
1.4 KiB
TypeScript
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type Layer = {
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id: string;
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name: string;
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visible: boolean;
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locked: boolean;
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};
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export class LayerManager {
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private layers: Layer[] = [];
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public addLayer(layer: Layer): void {
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this.layers.push(layer);
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}
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public removeLayer(id: string): void {
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const index = this.layers.findIndex(layer => layer.id === id);
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if (index !== -1) {
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this.layers.splice(index, 1);
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}
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}
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public updateLayer(layer: Layer): void {
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const index = this.layers.findIndex(l => l.id === layer.id);
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if (index !== -1) {
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this.layers[index] = layer;
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}
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}
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public getLayer(id: string): Layer | undefined {
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return this.layers.find(layer => layer.id === id);
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}
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public getLayers(): Layer[] {
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return this.layers;
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}
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public getVisibleLayers(): Layer[] {
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return this.layers.filter(layer => layer.visible && !layer.locked);
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}
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public setVisible(id: string, visible: boolean): void {
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const layer = this.getLayer(id);
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if (layer) {
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layer.visible = visible;
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}
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}
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public setLocked(id: string, locked: boolean): void {
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const layer = this.getLayer(id);
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if (layer) {
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layer.locked = locked;
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}
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}
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public moveLayer(id: string, newIndex: number): void {
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const index = this.layers.findIndex(layer => layer.id === id);
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if (index !== -1) {
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const [layer] = this.layers.splice(index, 1);
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this.layers.splice(newIndex, 0, layer);
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}
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}
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}
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