STNodeEditor/ST.Library.UI/NodeEditor/STNodeAttribute.cs at main · DebugST/STNodeEditor · GitHub

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Reflection;

using System.Text.RegularExpressions;

namespace ST.Library.UI.NodeEditor

{

/// <summary>

/// STNode节点特性

/// 用于描述STNode开发者信息以及部分行为

/// </summary>

public class STNodeAttribute : Attribute

{

private string _Path;

/// <summary>

/// 获取STNode节点期望在树形控件的路径

/// </summary>

public string Path {

get { return _Path; }

}

private string _Author;

/// <summary>

/// 获取STNode节点的作者名称

/// </summary>

public string Author {

get { return _Author; }

}

private string _Mail;

/// <summary>

/// 获取STNode节点的作者邮箱

/// </summary>

public string Mail {

get { return _Mail; }

}

private string _Link;

/// <summary>

/// 获取STNode节点的作者链接

/// </summary>

public string Link {

get { return _Link; }

}

private string _Description;

/// <summary>

/// 获取STNode节点的描述信息

/// </summary>

public string Description {

get { return _Description; }

}

private static char[] m_ch_splitter = new char[] { '/', '\\' };

private static Regex m_reg = new Regex(@"^https?://", RegexOptions.IgnoreCase);

/// <summary>

/// 构造一个STNode特性

/// </summary>

/// <param name="strPath">期望路径</param>

public STNodeAttribute(string strPath) : this(strPath, null, null, null, null) { }

/// <summary>

/// 构造一个STNode特性

/// </summary>

/// <param name="strPath">期望路径</param>

/// <param name="strDescription">描述信息</param>

public STNodeAttribute(string strPath, string strDescription) : this(strPath, null, null, null, strDescription) { }

/// <summary>

/// 构造一个STNode特性

/// </summary>

/// <param name="strPath">期望路径</param>

/// <param name="strAuthor">STNode作者名称</param>

/// <param name="strMail">STNode作者邮箱</param>

/// <param name="strLink">STNode作者链接</param>

/// <param name="strDescription">STNode节点描述信息</param>

public STNodeAttribute(string strPath, string strAuthor, string strMail, string strLink, string strDescription) {

if (!string.IsNullOrEmpty(strPath))

strPath = strPath.Trim().Trim(m_ch_splitter).Trim();

this._Path = strPath;

this._Author = strAuthor;

this._Mail = strMail;

this._Description = strDescription;

if (string.IsNullOrEmpty(strLink) || strLink.Trim() == string.Empty) return;

strLink = strLink.Trim();

if (m_reg.IsMatch(strLink))

this._Link = strLink;

else

this._Link = "http://" + strLink;

}

private static Dictionary<Type, MethodInfo> m_dic = new Dictionary<Type, MethodInfo>();

/// <summary>

/// 获取类型的帮助函数

/// </summary>

/// <param name="stNodeType">节点类型</param>

/// <returns>函数信息</returns>

public static MethodInfo GetHelpMethod(Type stNodeType) {

if (m_dic.ContainsKey(stNodeType)) return m_dic[stNodeType];

var mi = stNodeType.GetMethod("ShowHelpInfo");

if (mi == null) return null;

if (!mi.IsStatic) return null;

var ps = mi.GetParameters();

if (ps.Length != 1) return null;

if (ps[0].ParameterType != typeof(string)) return null;

m_dic.Add(stNodeType, mi);

return mi;

}

/// <summary>

/// 执行对应节点类型的帮助函数

/// </summary>

/// <param name="stNodeType">节点类型</param>

public static void ShowHelp(Type stNodeType) {

var mi = STNodeAttribute.GetHelpMethod(stNodeType);

if (mi == null) return;

mi.Invoke(null, new object[] { stNodeType.Module.FullyQualifiedName });

}

STNodeEditor/ST.Library.UI/NodeEditor/STNodeAttribute.cs at main · DebugST/STNodeEditor · GitHub

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