private void SetupTextFont(UILabel label, Font font, Color?titleColor)
{
if (Element is ContentPage cPage)
{
var formattedTitle = CustomPage.GetFormattedTitle(cPage);
if (formattedTitle != null && formattedTitle.Spans.Count > 0)
{
SetupFormattedText(titleLabel, formattedTitle, cPage.Title);
}
var formattedSubtitle = CustomPage.GetFormattedSubtitle(cPage);
var subtitle = CustomPage.GetSubtitle(cPage);
if (formattedSubtitle != null && formattedSubtitle.Spans.Count > 0)
{
subtitleLabel.Hidden = false;
SetupFormattedText(subtitleLabel, formattedSubtitle, subtitle);
}
else if (!string.IsNullOrWhiteSpace(subtitle))
{
subtitleLabel.Hidden = false;
SetupText(subtitleLabel, subtitle, ExtendedNavigationPage.GetSubtitleColor(cPage), ExtendedNavigationPage.GetSubtitleFont(Element));
subtitleLabel.SetNeedsDisplay();
}
}
else
{
SetupText(label, (Element as Page).Title, titleColor, ExtendedNavigationPage.GetTitleFont(Element));
subtitleLabel.Text = string.Empty;
subtitleLabel.Frame = CGRect.Empty;
subtitleLabel.Hidden = true;
}
label.SizeToFit();
subtitleLabel.SizeToFit();
titleView.SizeToFit();
}
private void SetTitlePosition(TitleAlignment alignment, Thickness padding, Thickness margin, CGRect vFrame)
{
var marginX = margin.Top;
var marginY = margin.Left;
var marginWidth = margin.Left + margin.Right;
var marginHeight = margin.Top + margin.Bottom;
var paddingWidth = padding.Left + padding.Right;
var paddingHeight = padding.Top + padding.Bottom;
var paddingX = padding.Left;
var paddingY = padding.Top;
if (ExtendedNavigationPage.GetTitleBackground(Element) != null && vFrame.Width == 0 && vFrame.Height == 0)
{
vFrame = titleView.Frame;
}
marginView.Frame = new CGRect(vFrame.X, vFrame.Y, vFrame.Width, vFrame.Height);
double offset = 0;
titleLabel.AutoresizingMask = UIViewAutoresizing.All;
switch (alignment)
{
case TitleAlignment.Start:
marginView.Frame = new CGRect(vFrame.X, marginView.Frame.Y, marginView.Bounds.Width + marginWidth + paddingWidth, marginView.Bounds.Height + marginHeight + paddingHeight);
var startCenter = marginView.Center;
startCenter.Y = marginView.Superview.Center.Y;
marginView.Center = startCenter;
titleLabel.TextAlignment = UITextAlignment.Left;
subtitleLabel.TextAlignment = UITextAlignment.Left;
offset = marginX;
break;
case TitleAlignment.Center:
offset = marginX;
marginView.Frame = new CGRect(marginView.Frame.X, marginView.Frame.Y, marginView.Bounds.Width + marginWidth + paddingWidth, marginView.Bounds.Height + marginHeight + paddingHeight);
marginView.Center = marginView.Superview.Center;
titleLabel.TextAlignment = UITextAlignment.Center;
subtitleLabel.TextAlignment = UITextAlignment.Center;
break;
case TitleAlignment.End:
var endCenter = marginView.Center;
endCenter.Y = marginView.Superview.Center.Y;
marginView.Center = endCenter;
titleLabel.TextAlignment = UITextAlignment.Right;
subtitleLabel.TextAlignment = UITextAlignment.Right;
marginView.Frame = new CGRect(marginView.Superview.Frame.Width - marginView.Frame.Width - offset - marginWidth - paddingWidth, marginView.Frame.Y, marginView.Bounds.Width + marginWidth + paddingWidth, marginView.Bounds.Height + marginHeight + paddingHeight);
offset = marginView.Frame.Width - vFrame.Width - paddingWidth - marginX;
break;
}
titleView.Frame = new CGRect(offset, vFrame.Y + marginY, vFrame.Width + paddingWidth, vFrame.Height + paddingHeight);
var cPage = Element as ContentPage;
var formattedSubtitle = CustomPage.GetFormattedSubtitle(Element);
var subtitle = CustomPage.GetFormattedSubtitle(Element);
if (cPage != null && (!string.IsNullOrEmpty(subtitle) ||
(formattedSubtitle != null && formattedSubtitle.Spans.Count > 0)))
{
titleLabel.Frame = new CGRect(paddingX, paddingY, titleView.Frame.Width, titleLabel.IntrinsicContentSize.Height);
subtitleLabel.Frame = new CGRect(titleLabel.Frame.X, titleLabel.Frame.Y + titleLabel.Frame.Height + 3, titleView.Frame.Width, subtitleLabel.Frame.Height);
}
else
{
titleLabel.Frame = new CGRect(paddingX, paddingY, titleLabel.IntrinsicContentSize.Width, titleLabel.IntrinsicContentSize.Height);
}
}
