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CodeDom Assistant

, 21 Sep 2007
Generating CodeDom Code By Parsing C# or VB
codedomassistant_demo.zip
CodeDomAssistant_Demo
CodeDomAssistant.exe
ICSharpCode.NRefactory.dll
RemoteLoader.dll
SciLexer.dll
ScintillaNet.dll
codedomassistant_src.zip
sln.CodeDomAssistant
CodeDomAssistant
bin
Debug
SciLexer.dll
Properties
Settings.settings
NRefactory
NRefactoryASTGenerator
AST
Project
Configuration
Resources
ICSharpCode.NRefactory.snk
Src
Ast
General
Lexer
BuildKeywords.pl
CSharp
Special
VBNet
Parser
CSharp
cs.ATG
Frames
Parser.frame
Scanner.frame
SharpCoco.exe
VBNet
VBNET.ATG
PrettyPrinter
CSharp
VBNet
Visitors
Test
General
Lexer
CSharp
VBNet
Output
CodeDOM
CSharp
VBNet
Parser
Expressions
GlobalScope
Statements
TypeLevel
RemoteLoader
Properties
ScintillaNET
Configuration
Builtin
LexerKeywordListNames
LexerStyleNames
FindReplace
Printing
Properties
Resources
DeleteHS.png
GoToNextMessage - Copy.png
GoToNextMessage.png
GoToPreviousMessage.png
LineColorHS.png
Thumbs.db
ScintillaNET.csproj.vspscc
Snippets
using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;

namespace ScintillaNet
{
	[TypeConverterAttribute(typeof(System.ComponentModel.ExpandableObjectConverter))]
	public class Indentation : ScintillaHelperBase
	{
		internal Indentation(Scintilla scintilla) : base(scintilla) { }

		internal bool ShouldSerialize()
		{
			return ShouldSerializeBackspaceUnindents() ||
				ShouldSerializeIndentWidth() ||
				ShouldSerializeShowGuides() || 
				ShouldSerializeTabIndents() ||
				ShouldSerializeTabWidth() ||
				ShouldSerializeUseTabs();
		}
		
		#region TabWidth
		public int TabWidth
		{
			get
			{
				return NativeScintilla.GetTabWidth();
			}
			set
			{
				NativeScintilla.SetTabWidth(value);
			}
		}

		private bool ShouldSerializeTabWidth()
		{
			return TabWidth != 8;
		}

		private void ResetTabWidth()
		{
			TabWidth = 8;
		}
		#endregion

		#region UseTabs
		public bool UseTabs
		{
			get
			{
				return NativeScintilla.GetUseTabs();
			}
			set
			{
				NativeScintilla.SetUseTabs(value);
			}
		}

		private bool ShouldSerializeUseTabs()
		{
			return !UseTabs;
		}

		private void ResetUseTabs()
		{
			UseTabs = true;
		} 
		#endregion

		#region IndentWidth
		public int IndentWidth
		{
			get
			{
				return NativeScintilla.GetIndent();
			}
			set
            {
				NativeScintilla.SetIndent(value);
            }
		}

		private bool ShouldSerializeIndentWidth()
		{
			return IndentWidth != 0;
		}

		private void ResetIndentWidth()
		{
			IndentWidth = 0;
		}

		#endregion	

		#region TabIndents
		public bool TabIndents
		{
			get
			{
				return NativeScintilla.GetTabIndents();
			}
			set
            {
				NativeScintilla.SetTabIndents(value);
            }
		}

		private bool ShouldSerializeTabIndents()
		{
			return !TabIndents;
		}

		private void ResetTabIndents()
		{
			TabIndents = false;
		}
		#endregion

		#region BackspaceUnindents
		public bool BackspaceUnindents
		{
			get
			{
				return NativeScintilla.GetBackSpaceUnIndents();
			}
			set
			{
				NativeScintilla.SetBackSpaceUnIndents(value);
			}
		}

		private bool ShouldSerializeBackspaceUnindents()
		{
			return BackspaceUnindents;

		}

		private void ResetBackspaceUnindents()
		{
			BackspaceUnindents = false;
		} 
		#endregion

		#region ShowGuides
		public bool ShowGuides
		{
			get
			{
				return NativeScintilla.GetIndentationGuides();
			}
			set
			{
				NativeScintilla.SetIndentationGuides(value);
			}
		}

		private bool ShouldSerializeShowGuides()
		{
			return ShowGuides;
		}

		private void ResetShowGuides()
		{
			ShowGuides = false;
		} 
		#endregion


		#region Smart indenting support
		/// <summary>
		/// Enables the Smart Indenter so that On enter, it indents the next line.
		/// </summary>
		private SmartIndent _smartIndentType = SmartIndent.None;
		public SmartIndent SmartIndentType
		{
			get { return _smartIndentType; }
			set
			{
				_smartIndentType = value;
			}
		}

		private bool ShouldSerializeSmartIndentType()
		{
			return _smartIndentType != SmartIndent.None;
		}

		private void ResetSmartIndentType()
		{
			_smartIndentType = SmartIndent.None;
		}



		/// <summary>
		/// If Smart Indenting is enabled, this delegate will be added to the CharAdded multicast event.
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		internal void CheckSmartIndent(char ch)
		{
			char newline = (Scintilla.EndOfLine.Mode == EndOfLineMode.CR) ? '\r' : '\n';

			switch (SmartIndentType)
			{
				case SmartIndent.None:
					return;
				case SmartIndent.Simple:
					if (ch == newline)
					{
						Line curLine = Scintilla.Lines.Current;
						curLine.Indentation = curLine.Previous.Indentation;
						Scintilla.CurrentPos = curLine.IndentPosition;
					}
					break;
				case SmartIndent.CPP:
				case SmartIndent.CPP2:
					if (ch == newline)
					{
						Line curLine = Scintilla.Lines.Current;
						Line tempLine = curLine;
						int previousIndent;
						string tempText;

						do
						{
							tempLine = tempLine.Previous;
							previousIndent = tempLine.Indentation;
							tempText = tempLine.Text.Trim();
							if (tempText.Length == 0) previousIndent = -1;
						}
						while ((tempLine.Number > 1) && (previousIndent < 0));

						if (tempText.EndsWith("{"))
						{
							int bracePos = Scintilla.CurrentPos - 1;
							while (bracePos > 0 && Scintilla.CharAt(bracePos) != '{') bracePos--;
							if (bracePos > 0 && Scintilla.Styles.GetStyleAt(bracePos) == 10)
								previousIndent += TabWidth;
						}
						curLine.Indentation = previousIndent;
						Scintilla.CurrentPos =  curLine.IndentPosition;
					}
					else if (ch == '}')
					{
						int position = Scintilla.CurrentPos;
						Line curLine = Scintilla.Lines.Current;
						int previousIndent = curLine.Previous.Indentation;
						int match = Scintilla.SafeBraceMatch(position - 1);
						if (match != -1)
						{
							previousIndent = Scintilla.Lines.FromPosition(match).Indentation;
							curLine.Indentation =  previousIndent;
						}
					}
					break;
			}
		}

		/// <summary>
		/// For Custom Smart Indenting, assign a handler to this delegate property.
		/// </summary>
		public EventHandler<CharAddedEventArgs> SmartIndentCustomAction;

		/// <summary>
		/// Smart Indenting helper method
		/// </summary>
		/// <param name="line"></param>
		/// <param name="indent"></param>
		private void IndentLine(int line, int indent)
		{
			if (indent < 0)
			{
				return;
			}

			int selStart = Scintilla.Selection.Start;
			int selEnd = Scintilla.Selection.End;

			Line l = Scintilla.Lines[line];
			int posBefore = l.IndentPosition;
			l.Indentation = indent;

			int posAfter = l.IndentPosition;
			int posDifference = posAfter - posBefore;

			if (posAfter > posBefore)
			{
				// Move selection on
				if (selStart >= posBefore)
				{
					selStart += posDifference;
				}

				if (selEnd >= posBefore)
				{
					selEnd += posDifference;
				}
			}
			else if (posAfter < posBefore)
			{
				// Move selection back
				if (selStart >= posAfter)
				{
					if (selStart >= posBefore)
						selStart += posDifference;
					else
						selStart = posAfter;
				}
				if (selEnd >= posAfter)
				{
					if (selEnd >= posBefore)
						selEnd += posDifference;
					else
						selEnd = posAfter;
				}
			}

			Scintilla.Selection.Start = selStart;
			Scintilla.Selection.End = selEnd;
		}
		#endregion
	}
}

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About the Author

raygilbert
Web Developer
Australia Australia
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Web03 | 2.8.141022.2 | Last Updated 21 Sep 2007
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