60 lines
1.2 KiB
TypeScript
60 lines
1.2 KiB
TypeScript
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import { NodePool, instantiate, Node, isValid } from "cc";
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import { DetailImageItem } from "../uiitems/DetailImageItem";
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export class DetailImageItemPool {
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private static _instance: DetailImageItemPool = null;
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private _pool: NodePool;
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private _template: Node = null;
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private constructor() {
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this._pool = new NodePool();
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}
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public static get Instance(): DetailImageItemPool {
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if (!this._instance) {
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this._instance = new DetailImageItemPool();
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}
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return this._instance;
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}
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public setTemplate(template: Node): void {
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this._template = template;
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}
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public get(): Node {
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let node: Node = null;
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if (this._pool.size() > 0) {
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node = this._pool.get();
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} else {
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if (this._template) {
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node = instantiate(this._template);
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}
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}
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if (node) {
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const item = node.getComponent(DetailImageItem);
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if (item && item.reset) {
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item.reset();
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}
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}
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return node;
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}
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public put(node: Node): void {
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if (node && isValid(node)) {
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node.removeFromParent();
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this._pool.put(node);
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}
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}
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public clear(): void {
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this._pool.clear();
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}
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public getPoolSize(): number {
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return this._pool.size();
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}
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}
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