113 lines
3.8 KiB
C#
113 lines
3.8 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.Diagnostics.CodeAnalysis;
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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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using System.Windows.Markup;
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namespace Deedy.Activity
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{
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public interface IElement : IActivity, INotifyPropertyChanged
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{
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public string Class { get; }
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public string Title { get; set; }
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public string Remark { get; set; }
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public string Identify { get; set; }
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public int DepthLevel { get; }
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public IElement? ParentElement { get; }
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public IElement RootElement { get; }
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/// <summary>
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/// 将当前节点链接到一个节点上
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/// </summary>
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/// <param name="element">要链接到的节点</param>
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public virtual void LinkTo([AllowNull] IElement element)
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{
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if (element == null)
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{
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this.Unlink();
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return;
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}
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if (this.ParentElement != null)
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{
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if (this.ParentElement == element) return;
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else
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{
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if (this.ParentElement is IContainerElement container)
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{
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container.Remove(this);
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container.Append(this);
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//this.SetNamedPropertyValue(nameof(ParentElement), element);
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this.Setter_ParentElement(element);
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}
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}
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}
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else
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{
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//this.SetNamedPropertyValue(nameof(ParentElement), element);
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this.Setter_ParentElement(element);
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}
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//this.SetNamedPropertyValue(nameof(DepthLevel), (this.ParentElement?.DepthLevel ?? 0) + 1);
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this.Setter_DepthLevel((this.ParentElement?.DepthLevel ?? 0) + 1);
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}
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/// <summary>
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/// 断开自身与父级节点的链接关系
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/// </summary>
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public virtual void Unlink()
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{
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(this.ParentElement as IContainerElement)?.Remove(this);
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//this.SetNamedPropertyValue<IElement?>(nameof(ParentElement), null);
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this.Setter_ParentElement(null);
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//this.SetNamedPropertyValue(nameof(DepthLevel), 0);
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this.Setter_DepthLevel(0);
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}
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/// <summary>
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/// 构建结构树，设置层级：并且完成参数映射的刷新
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/// </summary>
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/// <param name="parent"></param>
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public new void ReadyToWorking(IElement? element = null, Output? output = null)
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{
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this.BuildParamMapping(output);
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this.LinkTo(element);
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if (this is IContainerElement container)
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foreach (IElement subElement in container.Elements)
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subElement.ReadyToWorking(this);
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}
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public virtual IElement? Clone()
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{
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try
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{
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return XamlReader.Parse(XamlWriter.Save(this)) as IElement;
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}
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catch { return null; }
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}
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public virtual bool TryEncode(out string document)
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{
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bool result = false;
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try
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{
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document = XamlWriter.Save(this);
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result = true;
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}
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catch { document = string.Empty; }
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return result;
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}
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public static virtual bool TryDecode(string document, out IElement? element)
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{
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IElement? instance = null;
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bool result = false;
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try
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{
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instance = XamlReader.Parse(document) as IElement;
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result = instance != null;
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}
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catch { }
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element = instance;
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return result;
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}
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}
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}
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