86 lines
3.5 KiB
C#
86 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace Deedy.Activity
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{
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public class DeedyLayout : IDeedyLayout
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{
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public string DEClass { get; protected internal set; } = "";
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public string DETitle { get; set; } = "";
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public string DERemark { get; set; } = "";
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public string DEIdentify { get; set; } = "";
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public IDeedyElement? DeedyParent { get; protected internal set; }
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public DeedyElementCollection Children { get; set; } = new();
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public IDeedyElement DeedyRoot => (this.DeedyParent == null) ? this : this.DeedyParent.DeedyRoot;
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public DeedyElementCollection Elements { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
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public event PropertyChangedEventHandler? PropertyChanged;
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/// <summary>
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/// 发送属性变更通知
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/// </summary>
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/// <param name="propertyName">发生变更的属性</param>
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protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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/// <summary>
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/// 读取一个字段的值
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/// </summary>
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/// <typeparam name="T">值的类型，可以通过参数进行自动判定</typeparam>
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/// <param name="field">字段的引用【注意：此参数通过引用传递】</param>
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/// <param name="propertyName">属性名称；如果在属性的读取访问器中调用可以自动注入</param>
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/// <returns>字段中的值</returns>
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protected virtual T GetField<T>(ref T field, [CallerMemberName] string? propertyName = null)
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{
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//TODO：这里处理内部属性获取逻辑（包括运行时参数映射逻辑）
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return field;
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}
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/// <summary>
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/// 检查新值是否与原值相等，如果不相等便赋值并发出通知
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/// </summary>
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/// <typeparam name="T">值的类型，可以通过参数进行自动判定</typeparam>
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/// <param name="field">字段的引用【注意：此参数通过引用传递】</param>
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/// <param name="value">字段的新值</param>
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/// <param name="propertyName">要进行变更通知的属性名称；如果在属性的设置访问器中调用可以自动注入</param>
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/// <returns>值是否有变更</returns>
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protected virtual bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
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{
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if (EqualityComparer<T>.Default.Equals(field, value)) return false;
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//TODO：这里处理内部属性变更逻辑（包括运行时参数映射逻辑）
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field = value;
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OnPropertyChanged(propertyName);
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return true;
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}
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public void Append(IDeedyElement deedyElement)
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{
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throw new NotImplementedException();
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}
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public void Remove(IDeedyElement deedyElement)
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{
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throw new NotImplementedException();
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}
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public void InsertInFront(IDeedyElement deedyElement)
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{
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throw new NotImplementedException();
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}
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public void InsertAtRear(IDeedyElement deedyElement)
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{
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throw new NotImplementedException();
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}
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public void SwapIndex(IDeedyElement element1, IDeedyElement element2)
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{
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throw new NotImplementedException();
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}
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}
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}
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