59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
using Avalonia.Controls;
|
|
using Avalonia.Controls.Templates;
|
|
using Cowain.Base.Helpers;
|
|
using Cowain.Base.ViewModels;
|
|
using Cowain.TestProject.ViewModels;
|
|
using System;
|
|
using System.Text.RegularExpressions;
|
|
|
|
namespace Cowain.TestProject
|
|
{
|
|
/// <summary>
|
|
/// 视图定位器，根据视图模型定位视图
|
|
/// </summary>
|
|
public class ViewLocator : IDataTemplate
|
|
{
|
|
|
|
public Control? Build(object? param)
|
|
{
|
|
if (param is null)
|
|
return null;
|
|
var dataType = param.GetType();
|
|
var name = dataType.FullName!.Replace("ViewModel", "View", StringComparison.Ordinal);
|
|
//var type = Type.GetType(name);
|
|
// 完全限定名
|
|
var type = Type.GetType($"{name}, {GetAssemblyName(dataType)}");
|
|
|
|
if (type != null)
|
|
{
|
|
return (Control)Activator.CreateInstance(type)!;
|
|
}
|
|
return new TextBlock { Text = "Not Found: " + name };
|
|
}
|
|
|
|
public bool Match(object? data)
|
|
{
|
|
return data is ViewModelBase || data is PageViewModelBase;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取程序集名称
|
|
/// </summary>
|
|
/// <param name="type"></param>
|
|
/// <returns></returns>
|
|
private string GetAssemblyName(Type type)
|
|
{
|
|
// 类型的完整名称
|
|
string? input = type.AssemblyQualifiedName;
|
|
if (input is null)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
// 正则表达式匹配两个逗号之间的内容
|
|
var match = Regex.Match(input, ",(.*?),");
|
|
return match.Success ? match.Groups[1].Value.Trim() : string.Empty;
|
|
}
|
|
}
|
|
}
|
