public TextView(Control parent, TextDocument textDocument)
: base(parent)
{
Dock = Pos.Fill;
TextLayer = new TextLayer(this, textDocument);
CarretLayer = new CarretLayer(this);
}
private void Init()
{
DeleteAllChildren();
phase = LifetimePhase.Generating;
TextLayer.InitVisualLine(this);
}
public VisualLine(TextLayer parent, DocumentLine documentLine) : base(parent)
{
DocumentLine = documentLine;
elements = new List <VisualLineElement>();
Init();
documentLine.TextChanged += OnTextChanged;
}
public VisualLine(TextLayer parent, DocumentLine documentLine)
: base(parent)
{
DocumentLine = documentLine;
elements = new List<VisualLineElement>();
Init();
documentLine.TextChanged += OnTextChanged;
}
/// <inheritdoc/>
protected override void OnRemoveFromTextLayer(TextLayer textLayer)
{
base.OnRemoveFromTextLayer(textLayer);
textLayer.Services.RemoveService(typeof(IHighlighter));
textLayer.Services.RemoveService(typeof(DocumentHighlighter));
}
/// <inheritdoc/>
protected override void OnAddToTextLayer(TextLayer textLayer)
{
base.OnAddToTextLayer(textLayer);
OnDocumentChanged(textLayer);
}
/// <summary>
/// Creates the IHighlighter instance for the specified text document.
/// </summary>
protected virtual IHighlighter CreateHighlighter(TextLayer textLayer, TextDocument document)
{
return new TextLayerDocumentHighlighter(this, textLayer, ruleSet);
}
public TextLayerDocumentHighlighter(HighlightingColorizer colorizer, TextLayer textLayer, HighlightingRuleSet baseRuleSet)
: base(textLayer.Document, baseRuleSet)
{
Debug.Assert(colorizer != null);
Debug.Assert(textLayer != null);
this.colorizer = colorizer;
this.textLayer = textLayer;
}
void OnDocumentChanged(TextLayer textLayer)
{
// remove existing highlighter, if any exists
textLayer.Services.RemoveService(typeof(IHighlighter));
textLayer.Services.RemoveService(typeof(DocumentHighlighter));
TextDocument document = textLayer.Document;
if (document != null) {
IHighlighter highlighter = CreateHighlighter(textLayer, document);
textLayer.Services.AddService(typeof(IHighlighter), highlighter);
// for backward compatiblity, we're registering using both the interface and concrete types
if (highlighter is DocumentHighlighter)
textLayer.Services.AddService(typeof(DocumentHighlighter), highlighter);
}
}
public TextView(Control parent, TextDocument textDocument) : base(parent)
{
Dock = Pos.Fill;
TextLayer = new TextLayer(this, textDocument);
CarretLayer = new CarretLayer(this);
}
void ITextLayerConnect.RemoveFromTextLayer(TextLayer textLayer)
{
OnRemoveFromTextLayer(textLayer);
}
void ITextLayerConnect.AddToTextLayer(TextLayer textLayer)
{
OnAddToTextLayer(textLayer);
}
/// <summary>
/// Called when removed from a text view.
/// </summary>
protected virtual void OnRemoveFromTextLayer(TextLayer textLayer)
{
}
/// <summary>
/// Called when added to a text view.
/// </summary>
protected virtual void OnAddToTextLayer(TextLayer textLayer)
{
}
