/// <summary>
/// Insers the content of the document buffer into itself and sub containers.
/// </summary>
/// <param name="documentBuffer">The document buffer.</param>
/// <param name="dimensionConstraint">The constraining dimensions.</param>
public void Insert(IDocumentBuffer documentBuffer, IDimensionConstraint dimensionConstraint)
{
if (dimensionConstraint.MaxWidth == null)
{
throw new Exception("The formatted text object must be given a width constraint on insert.");
}
var textBeforeCursor = Strings.strsubutf8(this.text, 0, this.cursorPos);
var xBeforeCursor = this.textScoper.GetWidth(this.flags.Font, this.flags.FontSize, textBeforeCursor);
var availableDimension = new DimensionConstraint()
{
MaxWidth = (double)dimensionConstraint.MaxWidth - xBeforeCursor,
MaxHeight = dimensionConstraint.MaxHeight,
};
var addedText = documentBuffer.Take(availableDimension, this.GetCurrentFlags());
if (addedText == String.Empty)
{
return;
}
var addedTextSize = Strings.strlenutf8(addedText);
if (this.cursorPos < this.GetLength()) // The cursor is not and the end. The inserted text is thus put in at the cursor position
{
var textAfterCursor = Strings.strsubutf8(this.text, this.cursorPos);
this.text = Strings.strsubutf8(this.text, 0, this.cursorPos);
var bufferEmpty = documentBuffer.EndOfBuffer();
documentBuffer.Append(textAfterCursor, this.GetCurrentFlags());
if (bufferEmpty)
{
availableDimension = new DimensionConstraint()
{
MaxWidth = (double)dimensionConstraint.MaxWidth - this.textScoper.GetWidth(this.flags.Font, this.flags.FontSize, this.text + addedText),
MaxHeight = dimensionConstraint.MaxHeight,
};
addedText += documentBuffer.Take(availableDimension, this.GetCurrentFlags());
}
}
if (this.cursor != null)
{
this.cursorPos += addedTextSize;
this.CursorChanged();
}
this.text += addedText;
this.TextChanged();
}
public void Insert(IDocumentBuffer documentBuffer, IDimensionConstraint dimensionConstraint)
{
double dimensionConsumed = 0;
var child = this.FirstChild;
while (this.CurrentCursorChild != null && child != this.CurrentCursorChild)
{
dimensionConsumed += this.GetDimension(child.Object);
child = child.Next;
}
var objectConstraint = this.GetConstraint(dimensionConstraint, dimensionConsumed);
while (child != null)
{
child.Object.Insert(documentBuffer, objectConstraint);
if (documentBuffer.EndOfBuffer())
{
this.SizeChanged();
return;
}
dimensionConsumed += this.GetDimension(child.Object);
objectConstraint = this.GetConstraint(dimensionConstraint, dimensionConsumed);
if (child.Next != null)
{
child = child.Next;
if (this.CurrentCursorChild != null)
{
this.CurrentCursorChild.Object.ClearCursor();
this.CurrentCursorChild = child;
this.CurrentCursorChild.Object.SetCursor(false, this.Cursor);
}
}
else
{
break;
}
}
var newElement = this.ProduceChild(documentBuffer, objectConstraint);
while (newElement != null)
{
this.AppendChild(newElement);
dimensionConsumed += this.GetDimension(newElement);
objectConstraint = this.GetConstraint(dimensionConstraint, dimensionConsumed);
if (documentBuffer.EndOfBuffer())
{
break;
}
newElement = this.ProduceChild(documentBuffer, objectConstraint);
}
if (this.Cursor != null)
{
this.CurrentCursorChild?.Object.ClearCursor();
this.CurrentCursorChild = this.LastChild;
this.CurrentCursorChild.Object.SetCursor(true, this.Cursor);
}
this.SizeChanged();
}