public void OpenFile(OpenedFile file)
{
CodeEditorContent documentContent;
if (!_codeEditors.TryGetValue(file, out documentContent))
{
documentContent = new CodeEditorContent(this, file);
documentContent.Closed += content_Closed;
_codeEditors.Add(file, documentContent);
ExtensionHost.ControlManager.OpenDocumentContents.Add(documentContent);
}
ExtensionHost.ControlManager.SelectedDocumentContent = documentContent;
}
public CodeEditor()
{
InitializeComponent();
HiglightContent = new CodeEditorContent();
Errors = new List <SyntaxError>();
MaxLineCountInBlock = 100;
LineHeight = FontSize * 1.3;
TabSize = 4;
totalLineCount = 1;
blocks = new List <InnerTextBlock>();
ToolTip = new ToolTip
{
IsOpen = false
};
Loaded += (s, e) => {
ApplyTemplate();
Text = Text.Replace("\t", new string(' ', TabSize));
renderCanvas = (DrawingControl)Template.FindName("PART_RenderCanvas", this);
lineNumbersCanvas = (DrawingControl)Template.FindName("PART_LineNumbersCanvas", this);
scrollViewer = (ScrollViewer)Template.FindName("PART_ContentHost", this);
lineNumbersCanvas.Width = GetFormattedTextWidth($"{totalLineCount:0000}") + 5;
scrollViewer.ScrollChanged += OnScrollChanged;
InvalidateBlocks(0);
InvalidateVisual();
};
SizeChanged += (s, e) => {
if (e.HeightChanged == false)
{
return;
}
UpdateBlocks();
InvalidateVisual();
};
TextChanged += (s, e) => {
UpdateTotalLineCount();
InvalidateBlocks(e.Changes.First().Offset);
InvalidateVisual();
//If navigator exists, update its visuals
if (navigator == null)
{
return;
}
navigator.LinkedScrollViewerHeight = scrollViewer.ViewportHeight;
navigator.UpdateText(GetFormattedText(Text),
new Point(2 - HorizontalOffset, VerticalOffset),
scrollViewer.VerticalOffset);
};
PreviewTextInput += (s, e) => {
if (e.Text.Contains("{"))
{
WaitingForClosingBracket = true;
}
if (e.Text.Contains("}"))
{
WaitingForClosingBracket = false;
}
};
PreviewKeyDown += CodeEditor_OnPreviewKeyDown;
SelectionChanged += CodeEditor_SelectionChanged;
PreviewMouseDoubleClick += CodeEditor_MouseDoubleClick;
MouseMove += (s, e) =>
{
ToolTip localtool = ToolTip as ToolTip;
if (localtool == null)
{
return;
}
Point mousePos = Mouse.GetPosition(renderCanvas);
InnerTextBlock block = blocks.FirstOrDefault(b =>
new Rect(b.Position, new Size(b.FormattedText.Width,
b.FormattedText.Height)).Contains(mousePos));
if (block == null)
{
localtool.IsOpen = false;
return;
}
SyntaxError error = Errors.FirstOrDefault(ev =>
{
int Line = ev.Line ?? -1;
int Column = ev.Column ?? -1;
int TagPos = CodeHelper.getStartCharOfPos(Text, Line, Column);
return(TagPos >= block.CharStartIndex && TagPos <= block.CharEndIndex);
});
if (error == null)
{
localtool.IsOpen = false;
}
else
{
localtool.HorizontalOffset = e.GetPosition(this).X;
localtool.VerticalOffset = e.GetPosition(this).Y;
localtool.IsOpen = true;
localtool.Content = error.InnerMessage;
}
};
}