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121 lines
4.4 KiB
C#
121 lines
4.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Reflection;
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using System.Text.RegularExpressions;
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namespace ST.Library.UI.NodeEditor
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{
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/// <summary>
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/// STNode node characteristics
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/// Used to describe STNode developer information and some behaviors
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/// </summary>
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public class STNodeAttribute : Attribute
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{
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private string _Path;
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/// <summary>
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/// Get the path that the STNode node expects in the tree control
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/// </summary>
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public string Path {
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get { return _Path; }
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}
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private string _Author;
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/// <summary>
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/// Get the author name of the STNode node
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/// </summary>
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public string Author {
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get { return _Author; }
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}
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private string _Mail;
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/// <summary>
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/// Get the author mailbox of the STNode node
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/// </summary>
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public string Mail {
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get { return _Mail; }
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}
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private string _Link;
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/// <summary>
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/// Get the author link of the STNode node
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/// </summary>
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public string Link {
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get { return _Link; }
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}
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private string _Description;
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/// <summary>
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/// Get the description information of the STNode node
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/// </summary>
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public string Description {
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get { return _Description; }
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}
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private static char[] m_ch_splitter = new char[] { '/', '\\' };
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private static Regex m_reg = new Regex(@"^https?://", RegexOptions.IgnoreCase);
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/// <summary>
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/// Constructs an STNode property
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/// </summary>
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/// <param name="strPath">expected path</param>
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public STNodeAttribute(string strPath) : this(strPath, null, null, null, null) { }
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/// <summary>
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/// Constructs an STNode property
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/// </summary>
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/// <param name="strPath">expected path</param>
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/// <param name="strDescription">Description</param>
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public STNodeAttribute(string strPath, string strDescription) : this(strPath, null, null, null, strDescription) { }
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/// <summary>
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/// Constructs an STNode property
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/// </summary>
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/// <param name="strPath">expected path</param>
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/// <param name="strAuthor">STNode author name</param>
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/// <param name="strMail">STNode author mailbox</param>
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/// <param name="strLink">STNode author link</param>
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/// <param name="strDescription">STNode node description information</param>
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public STNodeAttribute(string strPath, string strAuthor, string strMail, string strLink, string strDescription) {
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if (!string.IsNullOrEmpty(strPath))
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strPath = strPath.Trim().Trim(m_ch_splitter).Trim();
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this._Path = strPath;
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this._Author = strAuthor;
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this._Mail = strMail;
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this._Description = strDescription;
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if (string.IsNullOrEmpty(strLink) || strLink.Trim() == string.Empty) return;
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strLink = strLink.Trim();
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if (m_reg.IsMatch(strLink))
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this._Link = strLink;
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else
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this._Link = "http://" + strLink;
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}
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private static Dictionary<Type, MethodInfo> m_dic = new Dictionary<Type, MethodInfo>();
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/// <summary>
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/// Get type helper function
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/// </summary>
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/// <param name="stNodeType">Node Type</param>
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/// <returns>Function information</returns>
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public static MethodInfo GetHelpMethod(Type stNodeType) {
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if (m_dic.ContainsKey(stNodeType)) return m_dic[stNodeType];
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var mi = stNodeType.GetMethod("ShowHelpInfo");
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if (mi == null) return null;
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if (!mi.IsStatic) return null;
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var ps = mi.GetParameters ();
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if (ps.Length != 1) return null;
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if (ps[0].ParameterType != typeof(string)) return null;
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m_dic.Add(stNodeType, mi);
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return mi;
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}
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/// <summary>
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/// Execute the helper function for the corresponding node type
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/// </summary>
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/// <param name="stNodeType">Node Type</param>
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public static void ShowHelp(Type stNodeType) {
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var mi = STNodeAttribute.GetHelpMethod (stNodeType);
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if (mi == null) return;
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mi.Invoke(null, new object[] { stNodeType.Module.FullyQualifiedName });
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}
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}
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} |