public TextEditorControl()
{
this.SetStyle(ControlStyles.ContainerControl, true);
this.SetStyle(ControlStyles.Selectable, true);
this.ResizeRedraw = true;
Document = (new DocumentFactory()).CreateDefaultDocument();
Document.HighlightingStrategy = HighlightingManager.Manager.HighlightingDefinitions["Default"] as DefaultHighlightingStrategy;
textAreaControl = new TextAreaControl(this);
textAreaControl.Dock = DockStyle.Fill;
InitializeTextAreaControl(textAreaControl);
this.Controls.Add(textAreaControl);
//注意:下面为Document.UpdateCommited事件添加了处理程序，
//所以当Document.OnUpdateCommited()方法被调用到时，会调用这里注册的处理程序.
//而Document.OnUpdateCommited()方法应该由这个类中的EndUpdate()方法来调用到。
Document.UpdateCommited += new EventHandler(CommitUpdateRequested);
TextEditorProperties = new DefaultTextEditorProperties();
OptionsChanged();
}
//以上全部为一些简单的属性.
//构造函数
public TextArea(TextEditorControl motherTextEditorControl, TextAreaControl motherTextAreaControl)
{
this.motherTextAreaControl = motherTextAreaControl;
this.motherTextEditorControl = motherTextEditorControl;
caret = new Caret(this);//附加插入符.
selectionManager = new SelectionManager(Document);//附加选择管理器.
ResizeRedraw = true;
SetStyle(ControlStyles.DoubleBuffer, false);
SetStyle(ControlStyles.Opaque, false);
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.Selectable, true);
textViewMargin = new TextViewMargin(this);//附加主要的文本区域。
gutterMargin = new GutterMargin(this);//附加装订线区域.
foldMargin = new FoldMargin(this);//附加折叠区域.
iconBarMargin = new IconBarMargin(this);//附加图标栏区域.
leftMargins.AddRange(new AbstractMargin[] { iconBarMargin, gutterMargin, foldMargin });
OptionsChanged();
textAreaClipboardHandler = new TextAreaClipboardHandler(this);//附加剪切办处理程序.
new TextAreaMouseHandler(this).Attach();
new TextAreaDragDropHandler().Attach(this);
bracketshemes.Add(new BracketHighlightingScheme('{', '}'));
bracketshemes.Add(new BracketHighlightingScheme('(', ')'));
bracketshemes.Add(new BracketHighlightingScheme('[', ']'));
caret.PositionChanged += new EventHandler(SearchMatchingBracket);
Document.TextContentChanged += new EventHandler(TextContentChanged);
Document.FoldingManager.FoldingsChanged += new EventHandler(DocumentFoldingsChanged);
}
//这个方法以后可以被继承自这个类的文本编辑器重写.
protected virtual void InitializeTextAreaControl(TextAreaControl newControl)
{
}
//这个方法以后可以被继承自这个类的文本编辑器重写.
protected virtual void InitializeTextAreaControl(TextAreaControl newControl)
{
}
