public override VisualLineElement ConstructElement(int offset)
{
var nextChar = CurrentContext.Document.GetText(offset + 1, 1);
CheckBox c = new CheckBox();
c.Cursor = Cursors.Hand;
c.Margin = new Thickness(5, 0, 5, 0);
c.Style = _editor.CheckboxStyle;
c.Focusable = false;
c.RenderTransform = new TranslateTransform(0, 3);
int length = 2;
if (nextChar != "]")
{
c.IsChecked = true;
length += 1;
}
c.Checked += c_Checked;
c.Unchecked += c_Checked;
c.Tag = offset;
var element = new InlineObjectElement(length, c);
return(element);
}
private InlineObjectElementWithText ConstructElements4Printing(int offset, InlineObjectElement mainUIElement)
{
Debug.Assert(mainUIElement != null);
InlineObjectElementWithText inlineObject = new InlineObjectElementWithText(mainUIElement.DocumentLength, mainUIElement.Element);
var line = Document.GetLineByOffset(offset);
inlineObject.LeadingText = GetLeadingText(Document, line, offset);
inlineObject.TrailingText = GetTrailingText(Document, line, offset, mainUIElement.DocumentLength);
return(inlineObject);
}
/// Constructs an element at the specified offset.
/// May return null if no element can be constructed.
public override VisualLineElement ConstructElement(int offset)
{
InlineObjectElement mainUIElement = ConstructMainElement(offset);
if ((mainUIElement == null) || !IsPrinting)
{
return(mainUIElement);
}
else
{
return(ConstructElements4Printing(offset, mainUIElement));
}
}
public override VisualLineElement ConstructElement(int offset)
{
_resizingTimer.Stop();
var text = CurrentContext.Document.GetText(offset, CurrentContext.VisualLine.LastDocumentLine.EndOffset - offset);
var startOffset = "![image](".Length;
var endOffset = text.IndexOf(")");
var imageFile = text.Substring(startOffset, endOffset - startOffset);
Image i = new Image();
i.Focusable = false;
var b = _cache.GetImage(_editor.ImageFolder, imageFile);
if (b != null)
{
i.Source = b;
}
i.Stretch = Stretch.UniformToFill;
i.StretchDirection = StretchDirection.DownOnly;
i.HorizontalAlignment = HorizontalAlignment.Left;
i.VerticalAlignment = VerticalAlignment.Top;
i.Width = _editor.ActualWidth;
System.Diagnostics.Debug.Print("Creating image: " + imageFile);
//Binding widthBinding = new Binding();
//widthBinding.FallbackValue = (double)200;
//widthBinding.Source = _editor;
//widthBinding.Mode = BindingMode.OneWay;
//widthBinding.Path = new PropertyPath("ActualWidth");
//widthBinding.IsAsync = true;
//i.SetBinding(Image.WidthProperty, widthBinding);
var images = _imagesToResize;
images.Add(i);
i.Unloaded += (s, e) => images.Remove(i);
var element = new InlineObjectElement(endOffset + 1, i);
_resizingTimer.Start();
return(element);
}
