MuHua-123
66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace MuHua {
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/// <summary>
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/// UI项容器
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/// </summary>
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public class ModuleUIItems<TItem, TData> : ModuleUIPanel where TItem : ModuleUIItem<TData> {
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/// <summary> 模板资源 </summary>
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public readonly VisualTreeAsset templateAsset;
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/// <summary> 生成UI项的函数 </summary>
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public readonly Func<TData, VisualElement, TItem> generate;
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/// <summary> UI项列表 </summary>
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public List<TItem> Items = new List<TItem>();
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/// <summary> 索引器 </summary>
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public TItem this[int index] { get => Items[index]; }
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/// <summary> 计数 </summary>
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public int Count { get => Items != null ? Items.Count : 0; }
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/// <summary> UI容器 </summary>
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public ModuleUIItems(VisualElement element, VisualTreeAsset templateAsset, Func<TData, VisualElement, TItem> generate) : base(element) {
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this.templateAsset = templateAsset;
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this.generate = generate;
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}
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/// <summary> 释放资源 </summary>
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public void Release() {
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element.Clear();
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Items.ForEach(obj => obj.Dispose());
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Items = new List<TItem>();
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}
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/// <summary> 创建UI项 </summary>
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public void Create(List<TData> datas, bool isClear = true) {
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if (isClear) { Release(); }
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datas.ForEach(Create);
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}
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/// <summary> 创建UI项 </summary>
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public void Create(TData data, bool isClear = false) {
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if (isClear) { Release(); }
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Create(data);
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}
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/// <summary> 创建UI项 </summary>
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public void Create(TData data) {
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VisualElement element = templateAsset.Instantiate();
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TItem item = generate(data, element);
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this.element.Add(item.element);
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Items.Add(item);
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}
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/// <summary> 遍历 </summary>
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public void ForEach(Action<TItem> action) {
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Items.ForEach(action);
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}
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/// <summary> 选择第一个 </summary>
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public void SelectFirst() {
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if (Items.Count > 0) { Items[0].Select(); }
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}
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/// <summary> 选择最后一个 </summary>
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public void SelectFinally() {
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if (Items.Count > 0) { Items[Count - 1].Select(); }
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}
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}
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}
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