internal static doc.Span RenderSpannableStringStyle(this SpannableStringStyle style)
{
doc.Span result;
switch (style.Type)
{
case SpannableStringTypes.B:
case SpannableStringTypes.Bold:
result = new doc.Span {
FontWeight = FontWeights.Bold
};
break;
case SpannableStringTypes.I:
case SpannableStringTypes.Italic:
result = new doc.Span {
FontStyle = FontStyle.Italic
};
break;
case SpannableStringTypes.Font:
var span = new doc.Span();
foreach (var parameter in style.Parameters)
{
switch (parameter.Key)
{
case SpannableStringParameterTypes.Size:
if (double.TryParse(parameter.Value, out double fontSize))
{
span.FontSize = fontSize;
}
break;
case SpannableStringParameterTypes.Color:
span.Foreground = new media.SolidColorBrush(Color.Parse(parameter.Value).Render());
break;
case SpannableStringParameterTypes.Face:
// TODO implement font faces.
break;
default: break;
}
}
result = span;
break;
default:
result = new doc.Span();
break;
}
if (style.InnerText.HasValue())
{
result.Inlines.Add(new doc.Run {
Text = style.InnerText
});
}
return(result);
}
internal static void RenderSpannableStringStyle(this SpannableStringStyle style, TextView view, NSMutableAttributedString attributedString)
{
try
{
var range = new NSRange(style.Range.Start, style.Range.Length);
switch (style.Type)
{
case SpannableStringTypes.B:
case SpannableStringTypes.Bold:
attributedString.AddAttribute(UIStringAttributeKey.Font, UIFont.BoldSystemFontOfSize(view.Font.Size), range);
break;
case SpannableStringTypes.I:
case SpannableStringTypes.Italic:
attributedString.AddAttribute(UIStringAttributeKey.Font, UIFont.ItalicSystemFontOfSize(view.Font.Size), range);
break;
case SpannableStringTypes.Font:
foreach (var parameter in style.Parameters)
{
switch (parameter.Key)
{
case SpannableStringParameterTypes.Size:
if (!float.TryParse(parameter.Value, out float fontSize))
{
break;
}
var font = UIFont.FromName(view.Font.Name, fontSize);
if (font == null)
{
break;
}
attributedString.AddAttribute(UIStringAttributeKey.Font, font, range);
break;
case SpannableStringParameterTypes.Color:
attributedString.AddAttribute(UIStringAttributeKey.ForegroundColor, Color.Parse(parameter.Value).Render(), range);
break;
// TODO implement font faces.
// case SpannableStringParameterTypes.Face: break;
default: break;
}
}
break;
default: break;
}
}
catch (Exception ex)
{
Log.For(typeof(IOSRenderExtentions)).Error(ex, $"Id: {view?.Id.Or("null")}, Text: {view?.Text.Or("null")}, Range: {style?.Range}");
}
}
void RenderChildSpannableStyle(Android.Text.SpannableString text, SpannableStringStyle parentStyle)
{
foreach (var style in parentStyle.Children)
{
style.RenderSpannableStringStyle(text);
if (style.Children.Count > 0)
{
RenderChildSpannableStyle(text, style);
}
}
}
void RenderChildSpannableStyle(NSMutableAttributedString text, SpannableStringStyle parentStyle)
{
foreach (var style in parentStyle.Children)
{
style.RenderSpannableStringStyle(View, text);
if (style.Children.Count > 0)
{
RenderChildSpannableStyle(text, style);
}
}
}
void RenderChildSpannableStyle(Span parent, SpannableStringStyle parentStyle)
{
foreach (var style in parentStyle.Children)
{
var element = style.RenderSpannableStringStyle();
if (style.Children.Count > 0)
{
RenderChildSpannableStyle(element, style);
}
parent.Inlines.Add(element);
}
}
