SearchItemProviderAttribute

描述

用于声明在加载时创建新的搜索提供程序的静态方法的属性。

[SearchItemProvider]
internal static SearchProvider CreateProvider()
{
    return new SearchProvider(id, name)
    {
        filterId = "hex:",
        priority = 99999, // put example provider at a low priority
        showDetailsOptions = ShowDetailsOptions.Description | ShowDetailsOptions.Preview,
        fetchItems = (context, items, provider) =>
        {
            var expression = context.searchQuery;
            if (expression.Length == 6 && IsHex(expression))
            {
                expression = "#" + expression;
                items.Add(provider.CreateItem(context, expression, GetColorName(expression),
                    "Look at this " + GetColorName(expression) + " color!",
                    CreateTextureFromColor(expression, 64, 64), null));
            }
            return null;
        },
        fetchPreview = (item, context, size, options) =>
        {
            return CreateTextureFromColor(item.id, (int)size.x, (int)size.y);
        },
    };
}