public override Bound Apply (StyleSheet.StyleSheet stylesheet, Bound styleBound, Bound maxBound)
{
base.Apply (stylesheet, styleBound, maxBound);
float offset = _behaviour.OffsetByIndex;
_view.ContentOffset = new PointF (0, offset);
return styleBound;
}
protected override Bound LayoutChildren(StyleSheet.StyleSheet stylesheet, Bound styleBound, Bound maxBound)
{
Bound bound = LayoutBehaviour.Vertical(stylesheet, this, Childrens, styleBound, maxBound, true);
if (Childrens.Count > 0)
{
Behavour.Borders.Add(Childrens[0].Frame.Top);
foreach (IControl<View> control in Childrens)
Behavour.Borders.Add(control.Frame.Bottom);
}
Behavour.ScrolledMeasure = bound.Height;
return bound;
}
protected override Bound LayoutChildren (StyleSheet.StyleSheet stylesheet, Bound styleBound, Bound maxBound)
{
_behaviour.ScrolledMeasure = styleBound.Height;
Bound bound = LayoutBehaviour.Vertical (stylesheet, this, _controls, styleBound, maxBound, true);
if (_controls.Count > 0) {
_behaviour.Borders.Add (_controls [0].Frame.Top);
foreach (var control in _controls)
_behaviour.Borders.Add(control.Frame.Bottom);
}
return bound;
}
public override Bound Apply(StyleSheet.StyleSheet stylesheet, Bound styleBound, Bound maxBound)
{
var bound = new Bound(BitBrowserApp.Current.Width, BitBrowserApp.Current.Height);
base.Apply(stylesheet, bound, bound);
//background color
_view.SetBackgroundColor(Android.Graphics.Color.White);
if (OnLoad != null)
OnLoad.Execute();
Frame = new Rectangle(0, 0, bound);
return bound;
}
protected override Bound LayoutChildren(StyleSheet.StyleSheet stylesheet, Bound styleBound, Bound maxBound)
{
return LayoutBehaviour.Dock(stylesheet, this, Childrens, styleBound, maxBound);
}
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);
}
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;
}
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;
}
public Rectangle(float left, float top, Bound bound)
: this(left, top, bound.Width, bound.Height)
{
}
protected override Bound LayoutChildren (StyleSheet.StyleSheet stylesheet, Bound styleBound, Bound maxBound)
{
return LayoutBehaviour.Horizontal (stylesheet, this, _controls, styleBound, maxBound);
}
