protected override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
base.Apply(stylesheet, styleBound, maxBound);
IStyleSheetHelper style = stylesheet.Helper;
// background color, background image, borders
_backgroundImage = stylesheet.SetBackgroundSettings(this);
if (_backgroundImage == null)
{
_backgroundColor = _view.BackgroundColor;
}
// selected-color
_selectedColor = style.SelectedColor(this).ToNullableColor();
if (_selectedColor != null && _backgroundImage != null)
{
_selectedImage = GetFilteredImage(_backgroundImage, _selectedColor);
}
// size to content by background
IBound bound = GetBoundByImage(styleBound, maxBound, _backgroundImage);
return(LayoutChildren(stylesheet, bound, maxBound));
}
private IBound SizeToContent(IBound styleBound, IBound maxBound, IStyleSheetHelper style)
{
IBound bound = GetBoundByBackgroud(styleBound, maxBound);
bool sizeByWith = style.SizeToContentWidth(this);
bool sizeByHeight = style.SizeToContentHeight(this);
if (sizeByWith || sizeByHeight)
{
float measureWidth = sizeByWith ? maxBound.Width : styleBound.Width;
float measureHeight = sizeByHeight ? maxBound.Height : styleBound.Height;
// RedundantNameQualifier to fix compile error
// ReSharper disable RedundantNameQualifier
int wspec = Android.Views.View.MeasureSpec.MakeMeasureSpec(Java.Lang.Math.Round(measureWidth), MeasureSpecMode.AtMost);
int hspec = Android.Views.View.MeasureSpec.MakeMeasureSpec(Java.Lang.Math.Round(measureHeight), MeasureSpecMode.AtMost);
// ReSharper restore RedundantNameQualifier
_view.Measure(wspec, hspec);
float w = sizeByWith ? _view.MeasuredWidth : styleBound.Width;
float h = sizeByHeight ? _view.MeasuredHeight : styleBound.Height;
// choose max bound: from image resizing or from size to content by text
bool safeProportion = !bound.Equals(styleBound) && sizeByWith && sizeByHeight;
bound = StyleSheetContext.Current.MergeBound(bound, w, h, maxBound, safeProportion);
}
return(bound);
}
protected override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
IStyleSheetHelper style = stylesheet.Helper;
base.Apply(stylesheet, styleBound, maxBound);
// background color, borders
stylesheet.SetBackgroundSettings(this);
// text color
_view.TextColor = style.Color(this).ToColorOrClear();
// placeholder color
_placeholderColor = style.PlaceholderColor(this).ToNullableColor();
SetupPlaceholder(_placeholder);
// font
UIFont f = stylesheet.Font(this, styleBound.Height);
if (f != null)
{
_view.Font = f;
}
// padding
_view.PaddingLeft = style.PaddingLeft(this, styleBound.Width);
_view.PaddingTop = style.PaddingTop(this, styleBound.Height);
_view.PaddingRight = style.PaddingRight(this, styleBound.Width);
_view.PaddingBottom = style.PaddingBottom(this, styleBound.Height);
// text align
switch (style.TextAlign(this))
{
case TextAlignValues.Left:
_view.TextAlignment = UITextAlignment.Left;
break;
case TextAlignValues.Center:
_view.TextAlignment = UITextAlignment.Center;
break;
case TextAlignValues.Right:
_view.TextAlignment = UITextAlignment.Right;
break;
}
_view.RightView = CreateValidationIcon(_view.Font.LineHeight);
_view.Text = _text;
// size to content by background
return(styleBound);
}
public static UIFont Font(this IStyleSheet styleSheet, Control control, float parentHeight)
{
IStyleSheetHelper style = styleSheet.Helper;
string fontName = style.FontName(control);
if (fontName != null)
{
float size = style.FontSize(control, parentHeight);
return(UIFont.FromName(fontName, size));
}
return(null);
}
public static Bound Screen(StyleSheet.StyleSheet stylesheet
, ILayoutable parent
, ILayoutable control
, Bound screenBound)
{
IStyleSheetHelper style = stylesheet.Helper;
float parentW = screenBound.Width;
float parentH = screenBound.Height;
float paddingL = style.Padding <PaddingLeft>(parent, parentW);
float paddingT = style.Padding <PaddingTop>(parent, parentH);
float paddingR = style.Padding <PaddingRight>(parent, parentW);
float paddingB = style.Padding <PaddingBottom>(parent, parentH);
float borderWidth = style.BorderWidth(parent);
float w = style.Width(control, parentW);
float h = style.Height(control, parentH);
float marginL = style.Margin <MarginLeft>(control, parentW);
float marginT = style.Margin <MarginTop>(control, parentH);
float marginR = style.Margin <MarginRight>(control, parentW);
float marginB = style.Margin <MarginBottom>(control, parentH);
InitializeImageContainer(stylesheet, control, ref w, ref h);
float maxW = parentW - (marginL + marginR) - (paddingL + paddingR) - 2 * borderWidth;
if (parentW < paddingL + marginL + w + marginR + paddingR + 2 * borderWidth)
{
w = maxW;
}
float maxH = parentH - (marginT + marginB) - (paddingT + paddingB) - 2 * borderWidth;
if (parentH < paddingT + marginT + h + marginB + paddingB + 2 * borderWidth)
{
h = maxH;
}
float l = borderWidth + paddingL + marginL;
float t = borderWidth + paddingT + marginT;
Bound bound = control.Apply(stylesheet, new Bound(w, h), new Bound(maxW, maxH));
w = bound.Width > maxW ? maxW : bound.Width;
h = bound.Height > maxH ? maxH : bound.Height;
control.Frame = new Rectangle(l, t, w, h);
return(screenBound);
}
private void ApplyChild(Control control, IBound rootBound)
{
float parentWidth = rootBound.Width;
float parentHeight = rootBound.Height;
IStyleSheetHelper style = _stylesheet.Helper;
float w = style.Width(control, parentWidth);
float h = style.Height(control, parentHeight);
IStyleSheetContext context = StyleSheetContext.Current;
IBound bound = control.ApplyStyles(_stylesheet, context.CreateBound(w, h),
context.CreateBound(parentWidth, float.MaxValue));
control.Frame = ControlsContext.Current.CreateRectangle(0, 0, bound);
}
private void ApplyChild(Control control, IBound rootBound)
{
float parentWidth = rootBound.Width;
float parentHeight = rootBound.Height;
IStyleSheetHelper style = CurrentStyleSheet.Helper;
float width = style.Width(control, parentWidth);
float height = style.Height(control, parentHeight);
IBound bound = control.ApplyStyles(CurrentStyleSheet, StyleSheetContext.Current.CreateBound(width, height), StyleSheetContext.Current.CreateBound(parentWidth, float.PositiveInfinity));
control.Frame = ControlsContext.Current.CreateRectangle(0, 0, bound);
control.View.LayoutParameters = new AbsListView.LayoutParams(control.Frame.Width.Round(), control.Frame.Height.Round());
}
public IBound Screen(ILayoutable control, IBound screenBound)
{
IStyleSheetHelper style = _stylesheet.Helper;
IStyleSheetContext context = StyleSheetContext.Current;
float parentW = screenBound.Width;
float parentH = screenBound.Height;
float paddingL = style.PaddingLeft(_container, parentW);
float paddingT = style.PaddingTop(_container, parentH);
float paddingR = style.PaddingRight(_container, parentW);
float paddingB = style.PaddingBottom(_container, parentH);
float borderWidth = style.BorderWidth(_container);
float w = style.Width(control, parentW);
float h = style.Height(control, parentH);
float marginL = style.MarginLeft(control, parentW);
float marginT = style.MarginTop(control, parentH);
float marginR = style.MarginRight(control, parentW);
float marginB = style.MarginBottom(control, parentH);
float maxW = parentW - (marginL + marginR) - (paddingL + paddingR) - 2 * borderWidth;
if (parentW < paddingL + marginL + w + marginR + paddingR + 2 * borderWidth)
{
w = maxW;
}
float maxH = parentH - (marginT + marginB) - (paddingT + paddingB) - 2 * borderWidth;
if (parentH < paddingT + marginT + h + marginB + paddingB + 2 * borderWidth)
{
h = maxH;
}
float l = borderWidth + paddingL + marginL;
float t = borderWidth + paddingT + marginT;
IBound bound = control.ApplyStyles(_stylesheet, context.CreateBound(w, h), context.CreateBound(maxW, maxH));
w = bound.Width > maxW ? maxW : bound.Width;
h = bound.Height > maxH ? maxH : bound.Height;
control.Frame = new Rectangle(l, t, w, h);
return(screenBound);
}
void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
Helper = null;
}
if (_cache != null)
{
_cache.Dispose();
}
_cache = null;
_disposed = true;
}
}
private void Relayout()
{
IStyleSheetHelper helper = CurrentStyleSheet.Helper;
bool changed = _disposed ||
_siblingsChanged ||
helper.SizeToContentWidth(this) ||
helper.SizeToContentHeight(this) ||
StylesChanged();
if (Parent != null && changed)
{
var parent = (CustomControl <T>)Parent;
parent.Relayout();
_siblingsChanged = false;
}
else
{
ApplyStyles(CurrentStyleSheet, Frame.Bound, Frame.Bound);
}
}
protected IBound MergeBoundByContent(IStyleSheetHelper style, IBound bound, IBound maxBound, UIEdgeInsets insets,
bool safeProportion)
{
bool sizeByWidth = style.SizeToContentWidth(this);
bool sizeByHeight = style.SizeToContentHeight(this);
if (sizeByWidth || sizeByHeight)
{
float measureWidth = sizeByWidth ? maxBound.Width : bound.Width;
float measureHeight = sizeByHeight ? maxBound.Height : bound.Height;
SizeF size = _view.SizeThatFits(new SizeF(measureWidth, measureHeight));
float w = sizeByWidth ? size.Width + insets.Left + insets.Right : bound.Width;
float h = sizeByHeight ? size.Height + insets.Top + insets.Bottom : bound.Height;
bound = StyleSheetContext.Current.MergeBound(bound, w, h, maxBound,
safeProportion && sizeByWidth && sizeByHeight);
}
return(bound);
}
public static UIImage SetBackgroundSettings(this IStyleSheet styleSheet, Control control)
{
IStyleSheetHelper style = styleSheet.Helper;
UIImage image = styleSheet.GetBackgroundImage(control);
if (image != null)
{
return(image);
}
control.View.BackgroundColor = style.BackgroundColor(control).ToColorOrClear();
if (style.HasBorder(control))
{
control.View.ClipsToBounds = true;
control.View.Layer.BorderWidth = style.BorderWidth(control);
control.View.Layer.BorderColor = style.BorderColor(control).ToColorOrClear().CGColor;
control.View.Layer.CornerRadius = style.BorderRadius(control);
}
return(null);
}
public static Drawable ColorWithBorders(this IStyleSheet styleSheet, IStyledObject control, Color color)
{
IStyleSheetHelper helper = styleSheet.Helper;
Drawable drawable;
if (styleSheet.Helper.HasBorder(control))
{
var shape = new GradientDrawable();
var borderWidth = (int)Math.Round(helper.BorderWidth(control));
Color borderColor = ToColorOrTransparent(helper.BorderColor(control));
shape.SetShape(ShapeType.Rectangle);
shape.SetColor(color);
shape.SetCornerRadius(helper.BorderRadius(control));
shape.SetStroke(borderWidth, borderColor);
drawable = shape;
}
else
{
drawable = new ColorDrawable(color);
}
return(drawable);
}
protected override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
base.Apply(stylesheet, styleBound, maxBound);
IStyleSheetHelper style = stylesheet.Helper;
// background image
_backgroundImage = FromSource() ?? stylesheet.GetBackgroundImage(this);
if (_backgroundImage != null)
{
_view.Image = _backgroundImage;
// selected-color
UIColor selectedColor = style.SelectedColor(this).ToNullableColor();
if (selectedColor != null)
{
_selectedImage = GetFilteredImage(_backgroundImage, selectedColor);
}
}
// size to content by background
return(GetBoundByImage(styleBound, maxBound, _backgroundImage));
}
protected sealed override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
base.Apply(stylesheet, styleBound, maxBound);
IStyleSheetHelper style = stylesheet.Helper;
// background color, borders
using (var background = stylesheet.Background(this, styleBound, true))
SetBackground(background);
// text color
Color textColor = style.Color(this).ToColorOrTransparent();
_view.SetTextColor(textColor);
SetCursor();
// placeholder color
var hintColor = style.PlaceholderColor(this).ToNullableColor();
if (hintColor != null)
{
string text = _view.Text;
_view.Text = null;
_view.SetHintTextColor(hintColor.Value);
_view.Text = text;
}
// font
stylesheet.SetFontSettings(this, _view, styleBound.Height);
// padding
int pl = style.PaddingLeft(this, styleBound.Width).Round();
int pt = style.PaddingTop(this, styleBound.Height).Round();
int pr = style.PaddingRight(this, styleBound.Width).Round();
int pb = style.PaddingBottom(this, styleBound.Height).Round();
View.SetPadding(pl, pt, pr, pb);
// text align
switch (style.TextAlign(this))
{
case TextAlignValues.Left:
_view.Gravity = GravityFlags.Top | GravityFlags.Left;
break;
case TextAlignValues.Center:
_view.Gravity = GravityFlags.Top | GravityFlags.CenterHorizontal;
break;
case TextAlignValues.Right:
_view.Gravity = GravityFlags.Top | 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));
}
public IBound Dock(IEnumerable <ILayoutable> controls, IBound styleBound, IBound maxBound)
{
IStyleSheetHelper style = _stylesheet.Helper;
IStyleSheetContext context = StyleSheetContext.Current;
float parentW = styleBound.Width;
float parentH = styleBound.Height;
float paddingL = style.PaddingLeft(_container, parentW);
float paddingT = style.PaddingTop(_container, parentH);
float paddingR = style.PaddingRight(_container, parentW);
float paddingB = style.PaddingBottom(_container, parentH);
float borderWidth = style.BorderWidth(_container);
float left = borderWidth + paddingL;
float top = borderWidth + paddingT;
float right = parentW - (paddingR + borderWidth);
float bottom = parentH - (paddingB + borderWidth);
float resizedWidth = parentW;
float resizedHeight = parentH;
float freeW = style.SizeToContentWidth(_container) ? maxBound.Width - parentW : 0;
float freeH = style.SizeToContentHeight(_container) ? maxBound.Height - parentH : 0;
IList <ILayoutable> controlsList = controls as IList <ILayoutable> ?? controls.ToList();
var frames = new Rectangle[controlsList.Count];
for (int i = 0; i < controlsList.Count; i++)
{
ILayoutable control = controlsList[i];
float w = style.Width(control, parentW);
float h = style.Height(control, parentH);
float marginL = style.MarginLeft(control, parentW);
float marginT = style.MarginTop(control, parentH);
float marginR = style.MarginRight(control, parentW);
float marginB = style.MarginBottom(control, parentH);
float maxW = right - left - (marginL + marginR);
float maxH = bottom - top - (marginT + marginB);
resizedWidth += SizeTo(false, ref w, ref maxW, ref freeW, ref right);
resizedHeight += SizeTo(false, ref h, ref maxH, ref freeH, ref bottom);
IBound bound = control.ApplyStyles(_stylesheet, context.CreateBound(w, h)
, context.CreateBound(maxW + freeW, maxH + freeH));
w = bound.Width;
h = bound.Height;
resizedWidth += SizeTo(false, ref w, ref maxW, ref freeW, ref right);
resizedHeight += SizeTo(false, ref h, ref maxH, ref freeH, ref bottom);
float x = left + marginL;
float y = top + marginT;
DockAlignValues align = style.DockAlign(control);
switch (align)
{
case DockAlignValues.Left:
left += marginL + w + marginR;
break;
case DockAlignValues.Top:
top += marginT + h + marginB;
break;
case DockAlignValues.Right:
x = right - (marginR + w);
right -= marginL + w + marginR;
// reverse reference system, for size to content
x = -(resizedWidth - x);
break;
case DockAlignValues.Bottom:
y = bottom - (marginB + h);
bottom -= marginT + h + marginB;
// reverse reference system, for size to content
y = -(resizedHeight - y);
break;
default:
throw new Exception("Unknown align: " + align);
}
frames[i] = new Rectangle(x, y, w, h);
}
// restore reference system
for (int i = 0; i < controlsList.Count; i++)
{
Rectangle f = frames[i];
float x = f.Left >= 0 ? f.Left : resizedWidth + f.Left;
float y = f.Top >= 0 ? f.Top : resizedHeight + f.Top;
controlsList[i].Frame = new Rectangle(x, y, f.Width, f.Height);
}
return(context.CreateBound(resizedWidth, resizedHeight));
}
private IBound Queue(IEnumerable <ILayoutable> controls, IBound styleBound, IBound maxBound, out float[] borders, bool horizontal, bool extensible)
{
if (styleBound.Width > maxBound.Width || styleBound.Height > maxBound.Height)
{
throw new ArgumentException("maxBoud lesser than styleBound");
}
IStyleSheetHelper style = _stylesheet.Helper;
IStyleSheetContext context = StyleSheetContext.Current;
var bordersList = new List <float>();
float parentW = styleBound.Width;
float parentH = styleBound.Height;
float paddingL = style.PaddingLeft(_container, parentW);
float paddingT = style.PaddingTop(_container, parentH);
float paddingR = style.PaddingRight(_container, parentW);
float paddingB = style.PaddingBottom(_container, parentH);
float borderWidth = style.BorderWidth(_container);
float left = paddingL + borderWidth;
float top = paddingT + borderWidth;
float right = parentW - (borderWidth + paddingR);
float bottom = parentH - (borderWidth + paddingB);
float resizedWidth = parentW;
float resizedHeight = parentH;
bool sizeToContentWidth = style.SizeToContentWidth(_container);
bool sizeToContentHeight = style.SizeToContentHeight(_container);
float freeW = sizeToContentWidth ? maxBound.Width - parentW : 0;
float freeH = sizeToContentHeight ? maxBound.Height - parentH : 0;
bordersList.Add(horizontal ? left : top);
IList <ILayoutable> controlsList = controls as IList <ILayoutable> ?? controls.ToList();
var dirtyFrames = new LayoutParams[controlsList.Count];
for (int i = 0; i < controlsList.Count; i++)
{
ILayoutable control = controlsList[i];
float w = style.Width(control, parentW);
float h = style.Height(control, parentH);
float marginL = style.MarginLeft(control, parentW);
float marginT = style.MarginTop(control, parentH);
float marginR = style.MarginRight(control, parentW);
float marginB = style.MarginBottom(control, parentH);
float maxW = right - left - (marginL + marginR);
float maxH = bottom - top - (marginT + marginB);
resizedWidth += SizeTo(horizontal && extensible, ref w, ref maxW, ref freeW, ref right);
resizedHeight += SizeTo(!horizontal && extensible, ref h, ref maxH, ref freeH, ref bottom);
float childMaxW = horizontal && extensible ? float.MaxValue : maxW + freeW;
float childMaxH = !horizontal && extensible ? float.MaxValue : maxH + freeH;
IBound bound = control.ApplyStyles(_stylesheet, context.CreateBound(w, h), context.CreateBound(childMaxW, childMaxH));
w = bound.Width;
h = bound.Height;
resizedWidth += SizeTo(horizontal && extensible, ref w, ref maxW, ref freeW, ref right);
resizedHeight += SizeTo(!horizontal && extensible, ref h, ref maxH, ref freeH, ref bottom);
dirtyFrames[i] = new LayoutParams(left, top, w, h, marginL, marginT, marginR, marginB); // new Rectangle(left + leftOffset, top + topOffset, w, h);
if (horizontal)
{
left += marginL + w + marginR;
}
else
{
top += marginT + h + marginB;
}
bordersList.Add(horizontal ? left : top);
}
borders = bordersList.ToArray();
for (int i = 0; i < controlsList.Count; i++)
{
ILayoutable control = controlsList[i];
LayoutParams layoutParams = dirtyFrames[i];
float topOffset = layoutParams.MarginTop;
float leftOffset = layoutParams.MarginLeft;
if (horizontal)
{
float maxH = bottom - top - (layoutParams.MarginTop + layoutParams.MarginBottom);
if (layoutParams.Height < maxH)
{
VerticalAlignValues align = style.VerticalAlign(control);
switch (align)
{
case VerticalAlignValues.Top:
break;
case VerticalAlignValues.Center:
case VerticalAlignValues.Central:
topOffset += (maxH - layoutParams.Height) / 2;
break;
case VerticalAlignValues.Bottom:
topOffset = (bottom - layoutParams.MarginBottom - layoutParams.Height) - top;
break;
}
}
}
else
{
float maxW = right - left - (layoutParams.MarginLeft + layoutParams.MarginRight);
if (layoutParams.Width < maxW)
{
HorizontalAlignValues align = style.HorizontalAlign(control);
switch (align)
{
case HorizontalAlignValues.Left:
break;
case HorizontalAlignValues.Center:
case HorizontalAlignValues.Central:
leftOffset += (maxW - layoutParams.Width) / 2;
break;
case HorizontalAlignValues.Right:
leftOffset = (right - layoutParams.MarginRight - layoutParams.Width) - left;
break;
}
}
}
control.Frame = new Rectangle(layoutParams.Left + leftOffset, layoutParams.Top + topOffset
, layoutParams.Width, layoutParams.Height);
}
float contentW = horizontal ? left + paddingR + borderWidth : resizedWidth;
float contentH = !horizontal ? top + paddingB + borderWidth : resizedHeight;
return(context.CreateBound(resizedWidth, resizedHeight, contentW, contentH));
}
public static Bound Dock(StyleSheet.StyleSheet stylesheet
, ILayoutable parent
, IEnumerable <ILayoutable> controls
, Bound styleBound
, Bound maxBound)
{
IStyleSheetHelper style = stylesheet.Helper;
float parentW = styleBound.Width;
float parentH = styleBound.Height;
float paddingL = style.Padding <PaddingLeft>(parent, parentW);
float paddingT = style.Padding <PaddingTop>(parent, parentH);
float paddingR = style.Padding <PaddingRight>(parent, parentW);
float paddingB = style.Padding <PaddingBottom>(parent, parentH);
float borderWidth = style.BorderWidth(parent);
float layoutL = borderWidth + paddingL;
float layoutT = borderWidth + paddingT;
float layoutW = parentW - (paddingL + paddingR) - 2 * borderWidth;
float layoutH = parentH - (paddingT + paddingB) - 2 * borderWidth;
foreach (ILayoutable control in controls)
{
float w = style.Width(control, parentW);
float h = style.Height(control, parentH);
float marginL = style.Margin <MarginLeft>(control, parentW);
float marginT = style.Margin <MarginTop>(control, parentH);
float marginR = style.Margin <MarginRight>(control, parentW);
float marginB = style.Margin <MarginBottom>(control, parentH);
float maxW = layoutW - (marginL + marginR);
maxW = maxW > 0 ? maxW : 0;
float maxH = layoutH - (marginT + marginB);
maxH = maxH > 0 ? maxH : 0;
if (layoutW < marginL + w + marginR)
{
w = maxW;
}
if (layoutH < marginT + h + marginB)
{
h = maxH;
}
Bound bound = control.Apply(stylesheet, new Bound(w, h), new Bound(maxW, maxH));
w = bound.Width;
h = bound.Height;
InitializeImageContainer(stylesheet, control, ref w, ref h);
if (layoutW < marginL + w + marginR)
{
w = maxW;
}
if (layoutH < marginT + h + marginB)
{
h = maxH;
}
float offsetL = layoutL;
float offsetT = layoutT;
DockAlign.Align align = style.DockAlign(control);
switch (align)
{
case DockAlign.Align.Left:
offsetL += marginL;
offsetT += marginT;
layoutL = offsetL + w + marginR;
layoutW -= marginL + w + marginR;
break;
case DockAlign.Align.Top:
offsetL += marginL;
offsetT += marginT;
layoutT = offsetT + h + marginB;
layoutH -= marginT + h + marginB;
break;
case DockAlign.Align.Right:
offsetL += layoutW - (w + marginR);
offsetT += marginT;
layoutW -= marginL + w + marginR;
break;
case DockAlign.Align.Bottom:
offsetL += marginL;
offsetT += layoutH - (h + marginB);
layoutH -= marginT + h + marginB;
break;
}
control.Frame = new Rectangle(offsetL, offsetT, w, h);
}
return(styleBound);
}
protected override IBound Apply(IStyleSheet stylesheet, IBound styleBound, IBound maxBound)
{
base.Apply(stylesheet, styleBound, maxBound);
IStyleSheetHelper style = stylesheet.Helper;
// background color, borders
stylesheet.SetBackgroundSettings(this);
// text color
_textColor = style.Color(this).ToColorOrClear();
_view.TextColor = _textColor;
// placeholder color
_placeholderColor = style.PlaceholderColor(this).ToColorOrClear();
// font
UIFont f = stylesheet.Font(this, styleBound.Height);
if (f != null)
{
_view.Font = f;
}
// 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);
if (IOSApplicationContext.OSVersion.Major >= 7)
{
_view.TextContainerInset = new UIEdgeInsets(pt, pl, pb, pr);
}
// text align
switch (style.TextAlign(this))
{
case TextAlignValues.Left:
_view.TextAlignment = UITextAlignment.Left;
break;
case TextAlignValues.Center:
_view.TextAlignment = UITextAlignment.Center;
break;
case TextAlignValues.Right:
_view.TextAlignment = UITextAlignment.Right;
break;
}
RefreshPlaceholder();
float size = _view.Font.LineHeight;
_errorSubview = CreateValidationIcon(size);
_errorSubview.Frame = new RectangleF(styleBound.Width - size, pt, size, size);
_errorSubview.Hidden = true;
_view.AddSubview(_errorSubview);
// size to content by background
return(styleBound);
}
public static Bound Vertical(StyleSheet.StyleSheet stylesheet
, ILayoutable parent
, IEnumerable <ILayoutable> controls
, Bound styleBound
, Bound maxBound
, bool extensible = false)
{
IStyleSheetHelper style = stylesheet.Helper;
float parentW = styleBound.Width;
float parentH = styleBound.Height;
float paddingL = style.Padding <PaddingLeft>(parent, parentW);
float paddingT = style.Padding <PaddingTop>(parent, parentH);
float paddingR = style.Padding <PaddingRight>(parent, parentW);
float paddingB = style.Padding <PaddingBottom>(parent, parentH);
float borderWidth = style.BorderWidth(parent);
float off = paddingT + borderWidth;
foreach (ILayoutable control in controls)
{
float w = style.Width(control, parentW);
float h = style.Height(control, parentH);
float marginL = style.Margin <MarginLeft>(control, parentW);
float marginT = style.Margin <MarginTop>(control, parentH);
float marginR = style.Margin <MarginRight>(control, parentW);
float marginB = style.Margin <MarginBottom>(control, parentH);
off += marginT;
float left = borderWidth + paddingL + marginL;
float top = off;
float right = parentW - (paddingR + marginR) - borderWidth;
float bottom = parentH - (paddingB + marginB) - borderWidth;
float maxW = right - left;
maxW = maxW > 0 ? maxW : 0;
float maxH = extensible ? float.MaxValue : bottom - top;
maxH = maxH > 0 ? maxH : 0;
if (!extensible && maxH < h)
{
h = maxH;
}
w = w > maxW ? maxW : w;
Bound bound = control.Apply(stylesheet, new Bound(w, h), new Bound(maxW, maxH));
w = bound.Width;
h = bound.Height;
InitializeImageContainer(stylesheet, control, ref w, ref h);
if (!extensible && maxH < h)
{
h = maxH;
}
if (w < maxW)
{
HorizontalAlign.Align align = style.HorizontalAlign(control);
switch (align)
{
case HorizontalAlign.Align.Left:
break;
case HorizontalAlign.Align.Central:
float delta = (right - left - w) / 2;
left += delta;
break;
case HorizontalAlign.Align.Right:
left = right - w;
break;
}
}
control.Frame = new Rectangle(left, top, w, h);
off += h + marginB;
}
return(new Bound(styleBound.Width, styleBound.Height, parentW, off + paddingB + borderWidth));
}
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);
}
}
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));
}