public static Color?ToNullableColor(this IColorInfo colorInfo)
{
if (colorInfo != null)
{
return(new Color(colorInfo.Red, colorInfo.Green, colorInfo.Blue));
}
return(null);
}
public static UIColor ToNullableColor(this IColorInfo colorInfo)
{
if (colorInfo != null)
{
return(UIColor.FromRGB(colorInfo.Red, colorInfo.Green, colorInfo.Blue));
}
return(null);
}
public static Color ToColorOrTransparent(this IColorInfo colorInfo)
{
return(ToNullableColor(colorInfo) ?? Color.Transparent);
}
public static UIColor ToColorOrClear(this IColorInfo colorInfo)
{
return(ToNullableColor(colorInfo) ?? UIColor.Clear);
}
public override void FromString(string s)
{
Value = FromHexString(s);
}
protected override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
base.Apply(stylesheet, styleBound, maxBound);
_view.Text = _text;
IStyleSheetHelper style = stylesheet.Helper;
// background color, borders, background image
_backgroundImage = stylesheet.SetBackgroundSettings(this);
if (_backgroundImage != null)
{
_view.Layer.Contents = _backgroundImage.CGImage;
_view.BackgroundColor = UIColor.Clear;
}
// text-format
_textFormat = style.TextFormat(this);
// font
UIFont f = stylesheet.Font(this, styleBound.Height);
if (f != null)
{
_view.Font = f;
}
switch (_textFormat)
{
case TextFormatValues.Text:
_view.Text = _text;
// text color
_view.TextColor = _textColor = style.Color(this).ToColorOrClear();
// selected-color
_selectedColor = style.SelectedColor(this).ToNullableColor();
break;
case TextFormatValues.Html:
string span =
string.Format("<span style=\"font-family: {0}; font-size: {1:F0}; color: {2}\">{3}</span>",
_view.Font.FamilyName, _view.Font.PointSize, "{0}", "{1}");
// text color
_textHtmlSpan = string.Format(span, style.Color(this).Hex, "{0}");
// selected-color
IColorInfo selectedColor = style.SelectedColor(this);
if (selectedColor != null)
{
_selectedHtmlSpan = string.Format(span, selectedColor.Hex, "{0}");
}
SetSpannedText(_textHtmlSpan);
break;
default:
throw new NotImplementedException("Text format not found: " + _textFormat);
}
// selected-background
UIColor selectedBackground = style.SelectedBackground(this).ToNullableColor();
if (selectedBackground != null)
{
if (_backgroundImage != null)
{
_selectedBackgroundImage = GetFilteredImage(_backgroundImage, selectedBackground).CGImage;
selectedBackground.Dispose();
}
else
{
_selectedBackground = selectedBackground;
}
}
// word wrap
bool nowrap = style.WhiteSpace(this) == WhiteSpaceKind.Nowrap;
if (!nowrap)
{
_view.TextContainer.LineBreakMode = UILineBreakMode.WordWrap;
_view.TextContainer.MaximumNumberOfLines = 0;
}
else
{
_view.TextContainer.LineBreakMode = UILineBreakMode.TailTruncation;
_view.TextContainer.MaximumNumberOfLines = 1;
}
// text align
SetTextAlign(style.TextAlign(this), nowrap);
// text padding
float pl = style.PaddingLeft(this, styleBound.Width);
float pt = style.PaddingTop(this, styleBound.Height);
float pr = style.PaddingRight(this, styleBound.Width);
float pb = style.PaddingBottom(this, styleBound.Height);
_view.TextContainerInset = new UIEdgeInsets(pt, pl, pb, pr);
// resize by background image
IBound bound = GetBoundByImage(styleBound, maxBound, _backgroundImage);
// size to content
return(MergeBoundByContent(style, bound, maxBound, _view.TextContainerInset, _backgroundImage != null));
}
protected override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
base.Apply(stylesheet, styleBound, maxBound);
IStyleSheetHelper style = stylesheet.Helper;
// background color, borders, background image
UIImage backgroundImage = stylesheet.SetBackgroundSettings(this);
if (backgroundImage != null)
{
_view.SetBackgroundImage(backgroundImage, UIControlState.Normal);
}
// font
UIFont f = stylesheet.Font(this, styleBound.Height);
if (f != null)
{
_view.Font = f;
}
// word wrap
bool nowrap = style.WhiteSpace(this) == WhiteSpaceKind.Nowrap;
_view.TitleLabel.LineBreakMode = !nowrap ? UILineBreakMode.WordWrap : UILineBreakMode.TailTruncation;
// text-format
_textFormat = style.TextFormat(this);
switch (_textFormat)
{
case TextFormatValues.Text:
SetText();
// text color
_textColor = style.Color(this).ToColorOrClear();
_view.SetTitleColor(_textColor, UIControlState.Normal);
// selected-color
using (UIColor selectedColor = style.SelectedColor(this).ToNullableColor())
if (selectedColor != null)
{
_view.SetTitleColor(selectedColor, UIControlState.Highlighted);
}
break;
case TextFormatValues.Html:
string whitespace = nowrap ? "nowrap" : "normal";
string span =
string.Format(
"<span style=\"font-family: {0}; font-size: {1:F0}; color: {2}; white-space: {3}\">{4}</span>"
, _view.Font.FamilyName, _view.Font.PointSize, "{0}", whitespace, "{1}");
// text color
_textHtmlSpan = string.Format(span, style.Color(this).Hex, "{0}");
// selected-color
IColorInfo selectedColorInfo = style.SelectedColor(this);
if (selectedColorInfo != null)
{
_selectedHtmlSpan = string.Format(span, selectedColorInfo.Hex, "{0}");
}
SetSpannedText(_textHtmlSpan);
break;
default:
throw new NotImplementedException("Text format not found: " + _textFormat);
}
// selected-background
UIColor selectedBackground = style.SelectedBackground(this).ToNullableColor();
if (selectedBackground != null)
{
if (backgroundImage != null)
{
using (UIImage selectedImage = GetFilteredImage(backgroundImage, selectedBackground))
_view.SetBackgroundImage(selectedImage, UIControlState.Highlighted);
selectedBackground.Dispose();
}
else
{
_selectedBackground = selectedBackground;
}
}
// text align
SetTextAlign(style.TextAlign(this, TextAlignValues.Center), nowrap);
{
// text padding
float pl = style.PaddingLeft(this, styleBound.Width);
float pt = style.PaddingTop(this, styleBound.Height);
float pr = style.PaddingRight(this, styleBound.Width);
float pb = style.PaddingBottom(this, styleBound.Height);
_view.ContentEdgeInsets = new UIEdgeInsets(pt, pl, pb, pr);
// resize by background image
IBound bound = GetBoundByImage(styleBound, maxBound, backgroundImage);
// size to content
bound = MergeBoundByContent(style, bound, maxBound, _view.ContentEdgeInsets, backgroundImage != null);
_view.TitleLabel.PreferredMaxLayoutWidth = bound.Width - pl - pr;
return(bound);
}
}
public HueField(Size pickerCenterPointOffset, IColorInfo colorInfo) : base(pickerCenterPointOffset, colorInfo)
{
}
