void SetupToolbarCustomization(Page lastPage)
{
if (lastPage != null && _titleViewLayout != null)
{
UpdateTitleViewLayout(lastPage, _titleViewLayout, _titleTextView, _subTitleTextView, _originalDrawable);
UpdateTitleViewLayoutBackground(_titleViewLayout, CustomNavigationPage.GetTitleBackground(lastPage), _originalToolbarBackground);
UpdateToolbarTitle(lastPage, _titleTextView, _subTitleTextView, _originalFont, _originalColorStateList);
UpdateToolbarStyle(_toolbar, lastPage, Context as Activity, _originalToolbarBackground, _originalWindowContent);
}
}
void UpdateTitleViewLayout(Page lastPage, Android.Widget.LinearLayout titleViewLayout, AppCompatTextView titleTextView, AppCompatTextView subTitleTextView, Android.Graphics.Drawables.Drawable defaultBackground)
{
UpdateTitleViewLayoutAlignment(titleViewLayout, titleTextView, subTitleTextView, CustomNavigationPage.GetTitlePosition(lastPage));
if (!string.IsNullOrEmpty(CustomNavigationPage.GetTitleBackground(lastPage)))
{
UpdateTitleViewLayoutBackground(titleViewLayout, CustomNavigationPage.GetTitleBackground(lastPage), defaultBackground);
}
else
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
UpdateTitleViewLayoutMargin(titleViewLayout, CustomNavigationPage.GetTitleMargin(lastPage));
UpdateTitleViewLayoutPadding(titleViewLayout, CustomNavigationPage.GetTitlePadding(lastPage));
}
void SetupNavBar(CGSize size)
{
if (NavigationController != null && titleView != null)
{
var page = Element as Page;
containerView.Frame = new CGRect(0, 0, size.Width, size.Height);
titleView.Layer.BorderWidth = CustomNavigationPage.GetTitleBorderWidth(Element);
titleView.Layer.CornerRadius = CustomNavigationPage.GetTitleBorderCornerRadius(Element);
titleView.Layer.BorderColor = CustomNavigationPage.GetTitleBorderColor(Element)?.ToCGColor() ?? UIColor.Clear.CGColor;
SetupTextFont(titleLabel, CustomNavigationPage.GetTitleFont(page), CustomNavigationPage.GetTitleColor(page));
SetupBackground();
if (!string.IsNullOrEmpty(CustomNavigationPage.GetTitleBackground(Element)))
{
try
{
var image = UIImage.FromBundle(CustomNavigationPage.GetTitleBackground(Element));
titleView.Frame = new CGRect(titleView.Frame.X, titleView.Frame.Y, titleView.Frame.Width == 0 ? Math.Min(size.Width, image.Size.Width) : Math.Min(titleView.Frame.Width, image.Size.Width), titleView.Frame.Height == 0 ? Math.Min(size.Height, image.Size.Height) : Math.Min(titleView.Frame.Height, image.Size.Height));
titleView.BackgroundColor = UIColor.FromPatternImage(image);
}
catch (Exception ex)
{
titleView.BackgroundColor = CustomNavigationPage.GetTitleFillColor(Element)?.ToUIColor() ?? UIColor.Clear;
}
}
else
{
titleView.BackgroundColor = CustomNavigationPage.GetTitleFillColor(Element)?.ToUIColor() ?? UIColor.Clear;
}
ParentViewController.NavigationItem.TitleView = containerView;
ParentViewController.NavigationItem.TitleView.SetNeedsDisplay();
}
}
private void LastPage_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
var lastPage = sender as Page;
if (e.PropertyName == CustomNavigationPage.HasShadowProperty.PropertyName)
{
UpdateToolbarShadow(_toolbar, CustomNavigationPage.GetHasShadow(lastPage), Context as Activity, _originalWindowContent);
}
else if (e.PropertyName == CustomNavigationPage.TitleBackgroundProperty.PropertyName)
{
UpdateTitleViewLayoutBackground(_titleViewLayout, CustomNavigationPage.GetTitleBackground(lastPage), _originalDrawable);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientColorsProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientDirectionProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundOpacityProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderCornerRadiusProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderWidthProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleFillColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitlePositionProperty.PropertyName)
{
UpdateTitleViewLayoutAlignment(_titleViewLayout, _titleTextView, _subTitleTextView, CustomNavigationPage.GetTitlePosition(lastPage));
//UpdateTitleViewLayout(lastPage, _titleViewLayout, _titleTextView, _subTitleTextView, _originalDrawable);
}
else if (e.PropertyName == CustomNavigationPage.TitlePaddingProperty.PropertyName)
{
UpdateTitleViewLayoutPadding(_titleViewLayout, CustomNavigationPage.GetTitlePadding(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleMarginProperty.PropertyName)
{
UpdateTitleViewLayoutMargin(_titleViewLayout, CustomNavigationPage.GetTitleMargin(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_titleTextView, CustomNavigationPage.GetTitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.TitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_titleTextView, CustomNavigationPage.GetTitleFont(lastPage), _originalFont);
}
else if (e.PropertyName == Page.TitleProperty.PropertyName)
{
UpdateTitleText(_titleTextView, lastPage.Title);
}
else if (e.PropertyName == CustomPage.FormattedTitleProperty.PropertyName && (lastPage is CustomPage))
{
var cPage = lastPage as CustomPage;
UpdateFormattedTitleText(_titleTextView, cPage.FormattedTitle, cPage.Title);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_subTitleTextView, CustomNavigationPage.GetSubtitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_subTitleTextView, CustomNavigationPage.GetSubtitleFont(lastPage), _originalFont);
}
else if (e.PropertyName == CustomPage.SubtitleProperty.PropertyName && (lastPage is CustomPage))
{
var cPage = lastPage as CustomPage;
if (!string.IsNullOrEmpty(cPage.Subtitle))
{
_subTitleTextView.Text = cPage.Subtitle;
_subTitleTextView.Visibility = ViewStates.Visible;
}
else
{
ClearTextView(_subTitleTextView, true);
}
}
else if (e.PropertyName == CustomPage.FormattedTitleProperty.PropertyName && (lastPage is CustomPage))
{
var cPage = lastPage as CustomPage;
if (cPage.FormattedSubtitle != null && cPage.FormattedSubtitle.Spans.Count > 0)
{
_subTitleTextView.TextFormatted = cPage.FormattedSubtitle.ToAttributed(Font.Default, Xamarin.Forms.Color.Default, _subTitleTextView);
_subTitleTextView.Visibility = ViewStates.Visible;
}
else
{
ClearTextView(_subTitleTextView, true);
}
}
}
private void Element_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
var page = sender as Page;
System.Diagnostics.Debug.WriteLine(e.PropertyName);
if (e.PropertyName == Page.TitleProperty.PropertyName || e.PropertyName == CustomNavigationPage.TitleFontProperty.PropertyName || e.PropertyName == CustomPage.SubtitleProperty.PropertyName || e.PropertyName == CustomNavigationPage.SubtitleFontProperty.PropertyName)
{
SetupTextFont(titleLabel, CustomNavigationPage.GetTitleFont(page), CustomNavigationPage.GetTitleColor(page));
SetTitlePosition(CustomNavigationPage.GetTitlePosition(page), CustomNavigationPage.GetTitlePadding(Element), CustomNavigationPage.GetTitleMargin(Element), new CGRect(0, 0, Math.Max(subtitleLabel.IntrinsicContentSize.Width, titleLabel.IntrinsicContentSize.Width), (titleLabel.IntrinsicContentSize.Height + subtitleLabel.IntrinsicContentSize.Height + (subtitleLabel.IntrinsicContentSize.Height > 0.0f ? 3.0f : 0.0f))));
}
else if (e.PropertyName == CustomNavigationPage.TitleColorProperty.PropertyName)
{
var color = CustomNavigationPage.GetTitleColor(page);
if (color != null)
{
titleLabel.TextColor = color?.ToUIColor();
}
}
else if (e.PropertyName == CustomNavigationPage.SubtitleColorProperty.PropertyName)
{
var color = CustomNavigationPage.GetSubtitleColor(page);
if (color != null)
{
subtitleLabel.TextColor = color?.ToUIColor();
}
}
else if (e.PropertyName == CustomNavigationPage.TitlePositionProperty.PropertyName || e.PropertyName == CustomNavigationPage.TitlePaddingProperty.PropertyName || e.PropertyName == CustomNavigationPage.TitleMarginProperty.PropertyName)
{
SetTitlePosition(CustomNavigationPage.GetTitlePosition(Element), CustomNavigationPage.GetTitlePadding(Element), CustomNavigationPage.GetTitleMargin(Element), new CGRect(0, 0, Math.Max(subtitleLabel.IntrinsicContentSize.Width, titleLabel.IntrinsicContentSize.Width), (titleLabel.IntrinsicContentSize.Height + subtitleLabel.IntrinsicContentSize.Height + (subtitleLabel.IntrinsicContentSize.Height > 0.0f ? 3.0f : 0.0f))));
}
else if (e.PropertyName == CustomNavigationPage.GradientColorsProperty.PropertyName || e.PropertyName == CustomNavigationPage.GradientDirectionProperty.PropertyName || e.PropertyName == CustomNavigationPage.BarBackgroundProperty.PropertyName || e.PropertyName == CustomNavigationPage.BarBackgroundOpacityProperty.PropertyName)
{
SetupBackground();
}
else if (e.PropertyName == CustomNavigationPage.HasShadowProperty.PropertyName)
{
SetupShadow(CustomNavigationPage.GetHasShadow(page));
}
else if (e.PropertyName == CustomPage.FormattedTitleProperty.PropertyName && (page is CustomPage))
{
var cPage = page as CustomPage;
SetupFormattedText(titleLabel, cPage.FormattedTitle, cPage.Title);
}
else if (e.PropertyName == CustomNavigationPage.TitleBackgroundProperty.PropertyName)
{
if (!string.IsNullOrEmpty(CustomNavigationPage.GetTitleBackground(Element)))
{
titleView.BackgroundColor = UIColor.FromPatternImage(UIImage.FromBundle(CustomNavigationPage.GetTitleBackground(Element)));
}
else
{
titleView.BackgroundColor = null;
}
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderWidthProperty.PropertyName)
{
titleView.Layer.BorderWidth = CustomNavigationPage.GetTitleBorderWidth(Element);
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderCornerRadiusProperty.PropertyName)
{
titleView.Layer.CornerRadius = CustomNavigationPage.GetTitleBorderCornerRadius(Element);
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderColorProperty.PropertyName)
{
titleView.Layer.BorderColor = CustomNavigationPage.GetTitleBorderColor(Element)?.ToCGColor() ?? UIColor.Clear.CGColor;
}
else if (e.PropertyName == CustomNavigationPage.TitleFillColorProperty.PropertyName)
{
titleView.BackgroundColor = CustomNavigationPage.GetTitleFillColor(Element)?.ToUIColor() ?? UIColor.Clear;
}
}
void SetTitlePosition(CustomNavigationPage.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 (CustomNavigationPage.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 CustomNavigationPage.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 CustomNavigationPage.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 CustomNavigationPage.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 CustomPage;
if (cPage != null && (!string.IsNullOrEmpty(cPage.Subtitle) || (cPage.FormattedSubtitle != null && cPage.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);
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
var lastPage = Element.CurrentPage;
if (e.PropertyName == CustomNavigationPage.HasShadowProperty.PropertyName)
{
UpdateToolbarShadow(_toolbar, CustomNavigationPage.GetHasShadow(lastPage), Context as Activity, _originalWindowContent);
}
else if (e.PropertyName == CustomNavigationPage.TitleBackgroundProperty.PropertyName)
{
UpdateTitleViewLayoutBackground(_titleViewLayout, CustomNavigationPage.GetTitleBackground(lastPage), _originalDrawable);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientColorsProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientDirectionProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundOpacityProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderCornerRadiusProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderWidthProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleFillColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitlePositionProperty.PropertyName)
{
UpdateTitleViewLayoutAlignment(_titleViewLayout, _titleTextView, _subTitleTextView, CustomNavigationPage.GetTitlePosition(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitlePaddingProperty.PropertyName)
{
UpdateTitleViewLayoutPadding(_titleViewLayout, CustomNavigationPage.GetTitlePadding(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleMarginProperty.PropertyName)
{
UpdateTitleViewLayoutMargin(_titleViewLayout, CustomNavigationPage.GetTitleMargin(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_titleTextView, CustomNavigationPage.GetTitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.TitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_titleTextView, CustomNavigationPage.GetTitleFont(lastPage), _originalFont);
}
else if (e.PropertyName == Page.TitleProperty.PropertyName)
{
UpdateTitleText(_titleTextView, lastPage.Title);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_subTitleTextView, CustomNavigationPage.GetSubtitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_subTitleTextView, CustomNavigationPage.GetSubtitleFont(lastPage), _originalFont);
}
}