protected void SetActiveTextAreaControl(TextAreaControl value)
{
if (activeTextAreaControl != value) {
activeTextAreaControl = value;
if (ActiveTextAreaControlChanged != null) {
ActiveTextAreaControlChanged(this, EventArgs.Empty);
}
}
}
public TextEditorControl()
{
SetStyle(ControlStyles.ContainerControl, true);
textAreaPanel.Dock = DockStyle.Fill;
Document = (new DocumentFactory()).CreateDocument();
Document.HighlightingStrategy = HighlightingStrategyFactory.CreateHighlightingStrategy();
primaryTextArea = new TextAreaControl(this);
activeTextAreaControl = primaryTextArea;
primaryTextArea.TextArea.GotFocus += delegate {
SetActiveTextAreaControl(primaryTextArea);
};
primaryTextArea.Dock = DockStyle.Fill;
textAreaPanel.Controls.Add(primaryTextArea);
InitializeTextAreaControl(primaryTextArea);
Controls.Add(textAreaPanel);
ResizeRedraw = true;
Document.UpdateCommited += new EventHandler(CommitUpdateRequested);
OptionsChanged();
}
public void Split()
{
if (secondaryTextArea == null) {
secondaryTextArea = new TextAreaControl(this);
secondaryTextArea.Dock = DockStyle.Bottom;
secondaryTextArea.Height = Height / 2;
secondaryTextArea.TextArea.GotFocus += delegate {
SetActiveTextAreaControl(secondaryTextArea);
};
textAreaSplitter = new Splitter();
textAreaSplitter.BorderStyle = BorderStyle.FixedSingle ;
textAreaSplitter.Height = 8;
textAreaSplitter.Dock = DockStyle.Bottom;
textAreaPanel.Controls.Add(textAreaSplitter);
textAreaPanel.Controls.Add(secondaryTextArea);
InitializeTextAreaControl(secondaryTextArea);
secondaryTextArea.OptionsChanged();
} else {
SetActiveTextAreaControl(primaryTextArea);
textAreaPanel.Controls.Remove(secondaryTextArea);
textAreaPanel.Controls.Remove(textAreaSplitter);
secondaryTextArea.Dispose();
textAreaSplitter.Dispose();
secondaryTextArea = null;
textAreaSplitter = null;
}
}
protected virtual void InitializeTextAreaControl(TextAreaControl newControl)
{
}
protected override void Dispose(bool disposing)
{
if (disposing) {
if (printDocument != null) {
printDocument.BeginPrint -= new PrintEventHandler(this.BeginPrint);
printDocument.PrintPage -= new PrintPageEventHandler(this.PrintPage);
printDocument = null;
}
Document.UndoStack.ClearAll();
Document.UpdateCommited -= new EventHandler(CommitUpdateRequested);
if (textAreaPanel != null) {
if (secondaryTextArea != null) {
secondaryTextArea.Dispose();
textAreaSplitter.Dispose();
secondaryTextArea = null;
textAreaSplitter = null;
}
if (primaryTextArea != null) {
primaryTextArea.Dispose();
}
textAreaPanel.Dispose();
textAreaPanel = null;
}
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing) {
if (!disposed) {
disposed = true;
if (caret != null) {
caret.PositionChanged -= new EventHandler(SearchMatchingBracket);
caret.Dispose();
}
if (selectionManager != null) {
selectionManager.Dispose();
}
Document.TextContentChanged -= new EventHandler(TextContentChanged);
Document.FoldingManager.FoldingsChanged -= new EventHandler(DocumentFoldingsChanged);
motherTextAreaControl = null;
motherTextEditorControl = null;
foreach (AbstractMargin margin in leftMargins) {
if (margin is IDisposable)
(margin as IDisposable).Dispose();
}
textView.Dispose();
}
}
}
public TextArea(TextEditorControl motherTextEditorControl, TextAreaControl motherTextAreaControl)
{
this.motherTextAreaControl = motherTextAreaControl;
this.motherTextEditorControl = motherTextEditorControl;
caret = new Caret(this);
selectionManager = new SelectionManager(Document, this);
this.textAreaClipboardHandler = new TextAreaClipboardHandler(this);
ResizeRedraw = true;
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
// SetStyle(ControlStyles.AllPaintingInWmPaint, true);
// SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.Opaque, false);
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.Selectable, true);
textView = new TextView(this);
gutterMargin = new GutterMargin(this);
foldMargin = new FoldMargin(this);
iconBarMargin = new IconBarMargin(this);
leftMargins.AddRange(new AbstractMargin[] { iconBarMargin, gutterMargin, foldMargin });
OptionsChanged();
new TextAreaMouseHandler(this).Attach();
new TextAreaDragDropHandler().Attach(this);
bracketshemes.Add(new BracketHighlightingSheme('{', '}'));
bracketshemes.Add(new BracketHighlightingSheme('(', ')'));
bracketshemes.Add(new BracketHighlightingSheme('[', ']'));
caret.PositionChanged += new EventHandler(SearchMatchingBracket);
Document.TextContentChanged += new EventHandler(TextContentChanged);
Document.FoldingManager.FoldingsChanged += new EventHandler(DocumentFoldingsChanged);
}
