/// <summary>
/// When list is resized (also called on init), create the labels to show item values and init graphical stuff.
/// </summary>
protected virtual void OnResize()
{
// if not visible, skip
if (!IsVisible())
{
_hadResizeWhileNotVisible = true;
return;
}
// clear the _hadResizeWhileNotVisible flag
_hadResizeWhileNotVisible = false;
// remove all children before re-creating them
ClearChildren();
// remove previous paragraphs list
_paragraphs.Clear();
// make sure destination rect is up-to-date
UpdateDestinationRects();
// calculate paragraphs quantity
int i = 0;
while (true)
{
// create and add new paragraph
Paragraph paragraph = UserInterface.DefaultParagraph(".", Anchor.Auto);
paragraph.PromiscuousClicksMode = true;
paragraph.WrapWords = false;
paragraph.UpdateStyle(DefaultParagraphStyle);
paragraph.Scale = paragraph.Scale * ItemsScale;
paragraph.SpaceAfter = paragraph.SpaceAfter + new Vector2(0, ExtraSpaceBetweenLines - 2);
paragraph.ExtraMargin.Y = ExtraSpaceBetweenLines / 2 + 3;
paragraph.AttachedData = new ParagraphData(this, i++);
paragraph.UseActualSizeForCollision = false;
paragraph.Size = new Vector2(0, paragraph.GetCharacterActualSize().Y + ExtraSpaceBetweenLines);
paragraph.BackgroundColorPadding = new Point((int)Padding.X, 5);
paragraph.BackgroundColorUseBoxSize = true;
paragraph._hiddenInternalEntity = true;
paragraph.PropagateEventsTo(this);
AddChild(paragraph);
// call the callback whenever a new paragraph is created
OnCreatedListParagraph(paragraph);
// add to paragraphs list
_paragraphs.Add(paragraph);
// add callback to selection
paragraph.OnClick += (Entity entity) =>
{
ParagraphData data = (ParagraphData)entity.AttachedData;
if (!data.list.LockSelection)
{
data.list.Select(data.relativeIndex, true);
}
};
// to calculate paragraph actual bottom
paragraph.UpdateDestinationRects();
// if out of list bounderies remove this paragraph and stop
if ((paragraph.GetActualDestRect().Bottom > _destRect.Bottom - _scaledPadding.Y) || i > _list.Count)
{
RemoveChild(paragraph);
_paragraphs.Remove(paragraph);
break;
}
}
// add scrollbar last, but only if needed
if (_paragraphs.Count > 0 && _paragraphs.Count < _list.Count)
{
// add scrollbar to list
AddChild(_scrollbar, false);
// calc max scroll value
_scrollbar.Max = (uint)(_list.Count - _paragraphs.Count);
if (_scrollbar.Max < 2)
{
_scrollbar.Max = 2;
}
_scrollbar.StepsCount = _scrollbar.Max;
_scrollbar.Visible = true;
}
// if no scrollbar is needed, hide it
else
{
_scrollbar.Visible = false;
if (_scrollbar.Value > 0)
{
_scrollbar.Value = 0;
}
}
}
