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怎么样在net中用ICsharpcode.texteditor自定义代码?

2017-06-24 09:53:41 来源:www.45fan.com 【

怎么样在net中用ICsharpcode.texteditor自定义代码?

前言

ICSharpCode.TextEditor 是一款非常不错的.NET代码编辑控件,内置了多种高亮语言支持,同时完美支持中文,非常赞!

先来看一下运行效果:

怎么样在net中用ICsharpcode.texteditor自定义代码?

一、项目结构

怎么样在net中用ICsharpcode.texteditor自定义代码?

这里需要注意lib文件夹下导入的类库,这个Demo需要这些dll.

二、代码折叠

需要实现IFoldingStrategy中的 GenerateFoldMarkers 方法,代码如下:

using ICSharpCode.TextEditor.Document;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace JackWangCUMT.WinForm
{
 
 /// <summary>
 /// The class to generate the foldings, it implements ICSharpCode.TextEditor.Document.IFoldingStrategy
 /// </summary>
 public class MingFolding : IFoldingStrategy
 {
 /// <summary>
 /// Generates the foldings for our document.
 /// </summary>
 /// <param name="document">The current document.</param>
 /// <param name="fileName">The filename of the document.</param>
 /// <param name="parseInformation">Extra parse information, not used in this sample.</param>
 /// <returns>A list of FoldMarkers.</returns>
 public List<FoldMarker> GenerateFoldMarkers(IDocument document, string fileName, object parseInformation)
 {
  List<FoldMarker> list = new List<FoldMarker>();
  //stack 先进先出
  var startLines = new Stack<int>();
  // Create foldmarkers for the whole document, enumerate through every line.
  for (int i = 0; i < document.TotalNumberOfLines; i++)
  {
  // Get the text of current line.
  string text = document.GetText(document.GetLineSegment(i));

  if (text.Trim().StartsWith("#region")) // Look for method starts
  {
   startLines.Push(i);

  }
  if (text.Trim().StartsWith("#endregion")) // Look for method endings
  {
   int start = startLines.Pop();
   // Add a new FoldMarker to the list.
   // document = the current document
   // start = the start line for the FoldMarker
   // document.GetLineSegment(start).Length = the ending of the current line = the start column of our foldmarker.
   // i = The current line = end line of the FoldMarker.
   // 7 = The end column
   list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, 57, FoldType.Region, "..."));
  }
  //支持嵌套 {}
  if (text.Trim().StartsWith("{")) // Look for method starts
  {
   startLines.Push(i);
  }
  if (text.Trim().StartsWith("}")) // Look for method endings
  {
   if (startLines.Count > 0)
   {
   int start = startLines.Pop();
   list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, 57, FoldType.TypeBody, "...}"));
   }
  }


  // /// <summary>
  if (text.Trim().StartsWith("/// <summary>")) // Look for method starts
  {
   startLines.Push(i);
  }
  if (text.Trim().StartsWith("/// <returns>")) // Look for method endings
  {

   int start = startLines.Pop();
   //获取注释文本(包括空格)
   string display = document.GetText(document.GetLineSegment(start + 1).Offset, document.GetLineSegment(start + 1).Length);
   //remove ///
   display = display.Trim().TrimStart('/');
   list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, 57, FoldType.TypeBody, display));
  }
  }

  return list;
 }
 }
}

三、高亮配置

拷贝CSharp-Mode.xshd为 JackCSharp-Mode.xshd ,将其中的名字修改为: SyntaxDefinition name = "JackC#" ,并添加高亮关键字,如下:

怎么样在net中用ICsharpcode.texteditor自定义代码?

这样代码中出现的JackWang就会高亮。下面的代码片段将自定义高亮文件进行加载,并用SetHighlighting进行设置,这里一定注意目录下必须有xshd的配置文件,否则高亮将失效。

textEditor.Encoding = System.Text.Encoding.UTF8;
 textEditor.Font = new Font("Hack",12);
 textEditor.Document.FoldingManager.FoldingStrategy = new JackWangCUMT.WinForm.MingFolding();
 textEditor.Text = sampleCode;

 //自定义代码高亮
 string path = Application.StartupPath+ "\\HighLighting";
 FileSyntaxModeProvider fsmp;
 if (Directory.Exists(path))
 {
 fsmp = new FileSyntaxModeProvider(path);
 HighlightingManager.Manager.AddSyntaxModeFileProvider(fsmp);
 textEditor.SetHighlighting("JackC#");
  

 }

为了保持代码适时进行折叠,这里监听文本变化,如下所示:

  private void TextEditor_TextChanged(object sender, EventArgs e)
  {
  //更新,以便进行代码折叠
  textEditor.Document.FoldingManager.UpdateFoldings(null, null);
  }

最后说明的是,我们可以定义一个格式化代码的类,来格式化C#代码:

怎么样在net中用ICsharpcode.texteditor自定义代码?

怎么样在net中用ICsharpcode.texteditor自定义代码?

总结

以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作能带来一定的帮助,如果有疑问大家可以留言交流。


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