public static bool BackgroundChanged(this IStyleHelper helper
, IStyleSheet styleSheet, IBound bound, out Drawable background, bool whithoutImage = false)
{
if (!whithoutImage)
{
IBackgroundImage image;
if (helper.TryGet(out image) && !string.IsNullOrWhiteSpace(image.Path))
{
background = styleSheet.GetCache <ImageCache>().GetImage(image.Path, bound.Width, bound.Height);
return(true);
}
// if control has background image, we have to ignore background color
if (!string.IsNullOrWhiteSpace(image.Path))
{
background = null;
return(false);
}
}
IBackgroundColor backgroundColor;
IBorderStyle borderStyle;
IBorderWidth borderWidth;
IBorderColor borderColor;
IBorderRadius borderRadius;
if (helper.TryGet(out backgroundColor) | helper.TryGet(out borderStyle) | helper.TryGet(out borderWidth)
| helper.TryGet(out borderColor) | helper.TryGet(out borderRadius))
{
if (borderStyle.Style == BorderStyleValues.Solid)
{
var shape = new GradientDrawable();
var width = (int)Math.Round(borderWidth.Value);
Color color = borderColor.ToColorOrTransparent();
shape.SetShape(ShapeType.Rectangle);
shape.SetColor(backgroundColor.ToColorOrTransparent());
shape.SetCornerRadius(borderRadius.Radius);
shape.SetStroke(width, color);
background = shape;
}
else
{
background = new ColorDrawable(backgroundColor.ToColorOrTransparent());
}
return(true);
}
background = null;
return(false);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color, background image, borders
Drawable background;
if (helper.BackgroundChanged(CurrentStyleSheet, Frame.Bound, out background))
{
using (background)
SetBackground(background);
}
// selected color
ISelectedColor selectedColor;
if (helper.TryGet(out selectedColor))
{
_selectionBehaviour.SelectedColor = selectedColor.ToNullableColor();
}
}
IBound bound = GetBoundByBackgroud(styleBound, maxBound);
return(LayoutChildren(CurrentStyleSheet, bound, maxBound));
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color
IBackgroundColor backgroundColor;
if (helper.TryGet(out backgroundColor))
{
_view.SetBackgroundColor(backgroundColor.ToColorOrTransparent());
}
}
foreach (Control control in _containerBehaviour.Childrens)
{
if (control.View != null)
{
ApplyChild(control, styleBound);
}
}
_view.InvalidateViews();
_view.Invalidate();
return(styleBound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color
IBackgroundColor backgroundColor;
if (helper.TryGet(out backgroundColor))
{
_view.BackgroundColor = backgroundColor.ToColorOrClear();
}
}
foreach (Control control in _containerBehaviour.Childrens)
{
if (control.View != null)
{
ApplyChild(control, styleBound);
}
}
Index = ScrollIndex;
_view.ReloadData();
return(styleBound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
// background image
_backgroundImage = FromSource() ?? helper.Get <IBackgroundImage>().GetImage();
if (_backgroundImage != null)
{
_view.Image = _backgroundImage;
// selected-color
ISelectedColor selectedColor;
if (helper.TryGet(out selectedColor))
{
UIColor color = selectedColor.ToNullableColor();
if (color != null)
{
_selectedImage = GetFilteredImage(_backgroundImage, selectedColor.ToNullableColor());
}
}
}
// size to content by background
return(GetBoundByImage(styleBound, maxBound, _backgroundImage));
}
public static UIImage SetBackgroundSettings(this IStyleHelper helper, Control control)
{
IBackgroundImage backgroundImage;
if (helper.TryGet(out backgroundImage) && !string.IsNullOrWhiteSpace(backgroundImage.Path))
{
UIImage image = backgroundImage.GetImage();
if (image != null)
{
return(image);
}
}
// if control has background image, we have to ignore background color
if (!string.IsNullOrEmpty(backgroundImage.Path))
{
return(null);
}
IBackgroundColor backgroundColor;
IBorderStyle borderStyle;
IBorderWidth borderWidth;
IBorderColor borderColor;
IBorderRadius borderRadius;
if (helper.TryGet(out backgroundColor) | helper.TryGet(out borderStyle) | helper.TryGet(out borderWidth)
| helper.TryGet(out borderColor) | helper.TryGet(out borderRadius))
{
control.View.BackgroundColor = backgroundColor.ToColorOrClear();
if (borderStyle.Style == BorderStyleValues.Solid)
{
control.View.ClipsToBounds = true;
control.View.Layer.BorderWidth = borderWidth.Value;
control.View.Layer.BorderColor = borderColor.ToColorOrClear().CGColor;
control.View.Layer.CornerRadius = borderRadius.Radius;
}
else
{
// hide bounds
control.View.ClipsToBounds = false;
control.View.Layer.BorderWidth = 0;
control.View.Layer.BorderColor = UIColor.Clear.CGColor;
control.View.Layer.CornerRadius = 0;
}
}
return(null);
}
public static void ReloadBackgroundImage(this IStyleHelper helper, IStyleSheet styleSheet, IBound bound, Control control)
{
IBackgroundImage image;
if (helper.TryGet(out image) && !string.IsNullOrWhiteSpace(image.Path))
{
var imageCache = styleSheet.GetCache <ImageCache>();
using (BitmapDrawable background = imageCache.GetImage(image.Path, bound.Width, bound.Height))
control.SetBackground(background);
}
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
IColor color;
if (helper.TryGet(out color))
{
_view.Color = color.ToColorOrClear();
}
}
return(styleBound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
IColor color;
if (helper.TryGet(out color))
{
_view.IndeterminateDrawable.SetColorFilter(color.ToColorOrTransparent(), PorterDuff.Mode.Multiply);
}
}
return(StyleSheetContext.Current.StrechBoundInProportion(styleBound, maxBound, 1, 1));
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color, background image, borders
IBackgroundColor backgroundColor;
if (helper.TryGet(out backgroundColor))
{
_view.SetBackgroundColor(backgroundColor.ToColorOrTransparent());
}
}
return(styleBound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
var bound = StyleSheetContext.Current.CreateBound(BitBrowserApp.Current.Width, BitBrowserApp.Current.Height);
base.ReApply(styles, bound, bound);
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color
IBackgroundColor backgroundColor;
if (helper.TryGet(out backgroundColor))
{
_view.SetBackgroundColor(backgroundColor.ToColorOrTransparent());
}
}
return(bound);
}
protected sealed override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color, borders
Drawable background;
if (helper.BackgroundChanged(CurrentStyleSheet, Frame.Bound, out background))
{
using (background)
SetBackground(background);
}
// text color
ITextColor textColor;
if (helper.TryGet(out textColor))
{
_view.SetTextColor(textColor.ToColorOrTransparent());
}
// placeholder color
IPlaceholderColor placeholderColor;
if (helper.TryGet(out placeholderColor))
{
var color = placeholderColor.ToNullableColor();
if (color != null)
{
string text = _view.Text;
_view.Text = null;
_view.SetHintTextColor(color.Value);
_view.Text = text;
}
}
// font
helper.SetFontSettings(_view, styleBound.Height);
// text padding
int pl = helper.GetSizeOrDefault <IPaddingLeft>(styleBound.Width, _view.PaddingLeft).Round();
int pt = helper.GetSizeOrDefault <IPaddingTop>(styleBound.Height, _view.PaddingTop).Round();
int pr = helper.GetSizeOrDefault <IPaddingRight>(styleBound.Width, _view.PaddingRight).Round();
int pb = helper.GetSizeOrDefault <IPaddingBottom>(styleBound.Height, _view.PaddingBottom).Round();
_view.SetPadding(pl, pt, pr, pb);
// text align
ITextAlign textAlign;
if (helper.TryGet(out textAlign))
{
switch (textAlign.Align)
{
case TextAlignValues.Left:
_view.Gravity = GravityFlags.Left;
break;
case TextAlignValues.Center:
_view.Gravity = GravityFlags.Center;
break;
case TextAlignValues.Right:
_view.Gravity = GravityFlags.Right;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (Build.VERSION.SdkInt >= BuildVersionCodes.Kitkat)
{
_view.SetSingleLine(IsMultiline());// fix disappearing text in android 5.0+
}
}
return(GetBoundByBackgroud(styleBound, maxBound));
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color, borders
helper.SetBackgroundSettings(this);
// text color
ITextColor textColor;
if (helper.TryGet(out textColor))
{
_textColor = textColor.ToColorOrClear();
_view.TextColor = _textColor;
}
// placeholder color
IPlaceholderColor placeholderColor;
if (helper.TryGet(out placeholderColor))
{
_placeholderColor = placeholderColor.ToColorOrClear();
if (!string.IsNullOrEmpty(_placeholder) && _placeholderVisible)
{
_view.TextColor = _placeholderColor;
}
}
// font
UIFont f;
if (helper.FontChanged(styleBound.Height, out f))
{
_view.Font = f;
}
// padding
float screenWidth = ApplicationContext.Current.DisplayProvider.Width;
float screenHeight = ApplicationContext.Current.DisplayProvider.Height;
float pl = helper.Get <IPaddingLeft>().CalcSize(styleBound.Width, screenWidth);
float pt = helper.Get <IPaddingTop>().CalcSize(styleBound.Height, screenHeight);
float pr = helper.Get <IPaddingRight>().CalcSize(styleBound.Width, screenWidth);
float pb = helper.Get <IPaddingBottom>().CalcSize(styleBound.Height, screenHeight);
if (IOSApplicationContext.OSVersion.Major >= 7)
{
_view.TextContainerInset = new UIEdgeInsets(pt, pl, pb, pr);
}
// text align
ITextAlign textAlign;
if (helper.TryGet(out textAlign))
{
switch (textAlign.Align)
{
case TextAlignValues.Left:
_view.TextAlignment = UITextAlignment.Left;
break;
case TextAlignValues.Center:
_view.TextAlignment = UITextAlignment.Center;
break;
case TextAlignValues.Right:
_view.TextAlignment = UITextAlignment.Right;
break;
}
}
float size = _view.Font.LineHeight;
_errorSubview.Frame = new RectangleF(styleBound.Width - size, pt, size, size);
_errorSubview.Hidden = true;
}
return(styleBound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// background color, borders
helper.SetBackgroundSettings(this);
// text color
ITextColor textColor;
if (helper.TryGet(out textColor))
{
_view.TextColor = textColor.ToColorOrClear();
}
// placeholder color
IPlaceholderColor placeholderColor;
if (helper.TryGet(out placeholderColor))
{
_placeholderColor = placeholderColor.ToNullableColor();
SetupPlaceholder(_placeholder);
}
// font
UIFont f;
if (helper.FontChanged(styleBound.Height, out f))
{
_view.Font = f;
}
// padding
float screenWidth = ApplicationContext.Current.DisplayProvider.Width;
float screenHeight = ApplicationContext.Current.DisplayProvider.Height;
_view.PaddingLeft = helper.Get <IPaddingLeft>().CalcSize(styleBound.Width, screenWidth);
_view.PaddingTop = helper.Get <IPaddingTop>().CalcSize(styleBound.Height, screenHeight);
_view.PaddingRight = helper.Get <IPaddingRight>().CalcSize(styleBound.Width, screenWidth);
_view.PaddingBottom = helper.Get <IPaddingBottom>().CalcSize(styleBound.Height, screenHeight);
// text align
ITextAlign textAlign;
if (helper.TryGet(out textAlign))
{
switch (textAlign.Align)
{
case TextAlignValues.Left:
_view.TextAlignment = UITextAlignment.Left;
break;
case TextAlignValues.Center:
_view.TextAlignment = UITextAlignment.Center;
break;
case TextAlignValues.Right:
_view.TextAlignment = UITextAlignment.Right;
break;
}
}
DisposeField(ref _placeholderColor);
DisposeField(ref _placeholderColor);
// for padding :)
_view.RightView = CreateValidationIcon(_view.Font.LineHeight);
}
return(styleBound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
// text-format
ITextFormat textFormat;
if (helper.TryGet(out textFormat))
{
_textFormat = textFormat.Format;
SetText();
}
// background color, background image, borders
Drawable background;
if (helper.BackgroundChanged(CurrentStyleSheet, Frame.Bound, out background))
{
using (background)
SetBackground(background);
}
// font
helper.SetFontSettings(_view, styleBound.Height);
// text color
ITextColor textColor;
if (helper.TryGet(out textColor))
{
_textColor = textColor.ToColorOrTransparent();
_view.SetTextColor(_textColor);
}
//selected color
ISelectedColor selectedColor;
if (helper.TryGet(out selectedColor))
{
_selectedColor = selectedColor.ToNullableColor();
}
//selected background
ISelectedBackground selectedBackground;
if (helper.TryGet(out selectedBackground))
{
_selectionBehaviour.SelectedColor = selectedBackground.ToNullableColor();
}
// word wrap
IWhiteSpace whiteSpace;
if (helper.TryGet(out whiteSpace))
{
_singleLine = whiteSpace.Kind == WhiteSpaceKind.Nowrap;
_view.SetSingleLine(_singleLine);
}
// text align
ITextAlign textAlign;
if (helper.TryGet(out textAlign))
{
ApplyTextAlign(textAlign.Align);
if (_singleLine)
{
_view.Ellipsize = textAlign.Align == TextAlignValues.Right
? TextUtils.TruncateAt.Start
: TextUtils.TruncateAt.End;
}
}
// text padding
int pl = helper.GetSizeOrDefault <IPaddingLeft>(styleBound.Width, _view.PaddingLeft).Round();
int pt = helper.GetSizeOrDefault <IPaddingTop>(styleBound.Height, _view.PaddingTop).Round();
int pr = helper.GetSizeOrDefault <IPaddingRight>(styleBound.Width, _view.PaddingRight).Round();
int pb = helper.GetSizeOrDefault <IPaddingBottom>(styleBound.Height, _view.PaddingBottom).Round();
_view.SetPadding(pl, pt, pr, pb);
}
IBound bound = SizeToContent(styleBound, maxBound, CurrentStyleSheet.Helper);
// reload image with new size
helper.ReloadBackgroundImage(CurrentStyleSheet, bound, this);
return(bound);
}
protected override IBound ReApply(IDictionary <Type, IStyle> styles, IBound styleBound, IBound maxBound)
{
// we forbid execution of SetSpannedString()
_blinkAllowed = false;
IStyleHelper helper = StyleSheetContext.Current.CreateHelper(styles, CurrentStyleSheet, this);
if (styles.Count > 0)
{
_view.Text = _text;
// background color, borders, background image
UIImage image = helper.SetBackgroundSettings(this);
if (image != null && image != _backgroundImage)
{
_backgroundImage.Dispose();
_backgroundImage = image;
_view.Layer.Contents = _backgroundImage.CGImage;
_view.BackgroundColor = UIColor.Clear;
}
// font
UIFont f;
if (helper.FontChanged(styleBound.Height, out f))
{
_view.Font = f;
}
// word wrap
IWhiteSpace whiteSpace;
bool whiteSpaceChanged = helper.TryGet(out whiteSpace);
bool nowrap = whiteSpace.Kind == WhiteSpaceKind.Nowrap;
if (whiteSpaceChanged)
{
if (!nowrap)
{
_view.TextContainer.LineBreakMode = UILineBreakMode.WordWrap;
_view.TextContainer.MaximumNumberOfLines = 0;
}
else
{
_view.TextContainer.LineBreakMode = UILineBreakMode.TailTruncation;
_view.TextContainer.MaximumNumberOfLines = 1;
}
}
// text-format
ITextFormat textFormat;
bool formatChanged = helper.TryGet(out textFormat);
_textFormat = textFormat.Format;
switch (_textFormat)
{
case TextFormatValues.Text:
{
_view.AttributedText = new NSAttributedString();
_view.Text = _text;
// text color
ITextColor textColor;
if (helper.TryGet(out textColor) || formatChanged)
{
_view.TextColor = _textColor = textColor.ToColorOrClear();
}
// selected-color
ISelectedColor selectedColor;
if (helper.TryGet(out selectedColor) || formatChanged)
{
_selectedColor = selectedColor.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}");
ITextColor textColor;
formatChanged |= helper.TryGet(out textColor);
_textHtmlSpan = string.Format(span, textColor.Value.Hex, "{0}");
// selected-color
ISelectedColor selectedColor;
formatChanged |= helper.TryGet(out selectedColor);
if (selectedColor.ToNullableColor() != null)
{
_selectedHtmlSpan = string.Format(span, selectedColor.Value.Hex, "{0}");
}
if (formatChanged)
{
SetSpannedText(_textHtmlSpan);
}
}
break;
default:
throw new NotImplementedException("Text format not found: " + _textFormat);
}
// selected-background
ISelectedBackground selectedBackground;
if (helper.TryGet(out selectedBackground))
{
UIColor color = selectedBackground.ToNullableColor();
if (_backgroundImage != null && color != null)
{
_selectedBackgroundImage = GetFilteredImage(_backgroundImage, color).CGImage;
color.Dispose();
}
else
{
_selectedBackground = color;
}
}
// text align
ITextAlign textAlign;
if (helper.TryGet(out textAlign))
{
SetTextAlign(textAlign.Align, nowrap);
}
// text padding
float screenWidth = ApplicationContext.Current.DisplayProvider.Width;
float screenHeight = ApplicationContext.Current.DisplayProvider.Height;
float pl = helper.Get <IPaddingLeft>().CalcSize(styleBound.Width, screenWidth);
float pt = helper.Get <IPaddingTop>().CalcSize(styleBound.Height, screenHeight);
float pr = helper.Get <IPaddingRight>().CalcSize(styleBound.Width, screenWidth);
float pb = helper.Get <IPaddingBottom>().CalcSize(styleBound.Height, screenHeight);
_view.TextContainerInset = new UIEdgeInsets(pt, pl, pb, pr);
}
_blinkAllowed = true;
// resize by background image
IBound bound = GetBoundByImage(styleBound, maxBound, _backgroundImage);
// size to content
return(MergeBoundByContent(CurrentStyleSheet.Helper, bound, maxBound, _view.TextContainerInset,
_backgroundImage != null));
}