protected override void OnLayout(LayoutEventArgs levent)
{
using (new LayoutSuspender(_chevronBar))
{
//////
// Calculate the rectangles
Size sizeToolbarMin = _chevronBar.MinSize;
_rectBounds = ClientRectangle;
// Client rect within the control's borders
_rectInBorder = ClientRectangle;
_rectInBorder.Inflate(-2, -2); // Exclude the borders
// Exclude the grip
_rectWithoutGrip = _grip.OnLayout(_rectInBorder);
// The innermost client rect
_rectClientPadded = _rectWithoutGrip;
_rectClientPadded.Inflate(-2, -1);
// Size of the labels
_sizeTitle = JetLinkLabel.GetTextSize(this, Text, Font);
_sizeNoItemsBanner = JetLinkLabel.GetTextSize(this, _sNoItemsBanner, _fontNoItemsBanner, _rectClientPadded.Size, _dtfNoItemsBannerFormatFlags);
if (_numShortcuts != 0)
{ // There are shortcuts. Include the toolbar and (possibly) the title
if (_rectClientPadded.Width >= sizeToolbarMin.Width + c_nAfterTitlePadding + _sizeTitle.Width)
{ // Title fits
//_rectTitle = new Rectangle( _rectClientPadded.Location, new Size( _sizeTitle.Width, _rectClientPadded.Height ) );
_rectTitle = new Rectangle(new Point(_rectClientPadded.Left, _rectClientPadded.Top + (_rectClientPadded.Height - _sizeTitle.Height) / 2), _sizeTitle);
_rectToolbar = new Rectangle(_rectTitle.Right + c_nAfterTitlePadding, _rectClientPadded.Top, _rectClientPadded.Width - (_rectTitle.Width + c_nAfterTitlePadding), _rectClientPadded.Height);
}
else
{ // Title does not fit
_rectTitle = Rectangle.Empty;
_rectToolbar = _rectClientPadded;
}
_rectNoItemsBanner = Rectangle.Empty;
}
else
{ // No shortcuts, display just the no-items-banner
_rectTitle = Rectangle.Empty;
_rectToolbar = Rectangle.Empty;
// Align the banner
Size sizeFit = new Size
(
_sizeNoItemsBanner.Width < _rectClientPadded.Width ? _sizeNoItemsBanner.Width : _rectClientPadded.Width,
_sizeNoItemsBanner.Height < _rectClientPadded.Height ? _sizeNoItemsBanner.Height : _rectClientPadded.Height
);
_rectNoItemsBanner = new Rectangle(
new Point
(
_rectClientPadded.Left, // H-Align left
_rectClientPadded.Top + (_rectClientPadded.Height - sizeFit.Height) / 2 // V-center
),
sizeFit);
}
/////////////////////
// Apply the layout
_chevronBar.Visible = _rectToolbar != Rectangle.Empty;
_chevronBar.Bounds = _rectToolbar;
}
// Apply the visual changes
Invalidate(false);
}
