public override void applyParentData(RenderObject renderObject)
{
D.assert(renderObject.parentData is _ActionSheetActionButtonParentData);
_ActionSheetActionButtonParentData parentData =
renderObject.parentData as _ActionSheetActionButtonParentData;
if (parentData.isPressed != this.isPressed)
{
parentData.isPressed = this.isPressed;
AbstractNodeMixinDiagnosticableTree targetParent = renderObject.parent;
if (targetParent is RenderObject)
{
((RenderObject)targetParent).markNeedsPaint();
}
}
}
void _drawButtonBackgroundsAndDividersStacked(Canvas canvas, Offset offset)
{
Offset dividerOffset = new Offset(0.0f, this.dividerThickness);
Path backgroundFillPath = new Path();
// fillType = PathFillType.evenOdd
backgroundFillPath.addRect(Rect.fromLTWH(0.0f, 0.0f, this.size.width, this.size.height));
Path pressedBackgroundFillPath = new Path();
Path dividersPath = new Path();
Offset accumulatingOffset = offset;
RenderBox child = this.firstChild;
RenderBox prevChild = null;
while (child != null)
{
D.assert(child.parentData is _ActionSheetActionButtonParentData);
_ActionSheetActionButtonParentData currentButtonParentData =
child.parentData as _ActionSheetActionButtonParentData;
bool isButtonPressed = currentButtonParentData.isPressed;
bool isPrevButtonPressed = false;
if (prevChild != null)
{
D.assert(prevChild.parentData is _ActionSheetActionButtonParentData);
_ActionSheetActionButtonParentData previousButtonParentData =
prevChild.parentData as _ActionSheetActionButtonParentData;
isPrevButtonPressed = previousButtonParentData.isPressed;
}
bool isDividerPresent = child != this.firstChild;
bool isDividerPainted = isDividerPresent && !(isButtonPressed || isPrevButtonPressed);
Rect dividerRect = Rect.fromLTWH(
accumulatingOffset.dx,
accumulatingOffset.dy, this.size.width, this._dividerThickness
);
Rect buttonBackgroundRect = Rect.fromLTWH(
accumulatingOffset.dx,
accumulatingOffset.dy + (isDividerPresent ? this.dividerThickness : 0.0f), this.size.width,
child.size.height
);
if (isButtonPressed)
{
backgroundFillPath.addRect(buttonBackgroundRect);
pressedBackgroundFillPath.addRect(buttonBackgroundRect);
}
if (isDividerPainted)
{
backgroundFillPath.addRect(dividerRect);
dividersPath.addRect(dividerRect);
}
accumulatingOffset += (isDividerPresent ? dividerOffset : Offset.zero)
+ new Offset(0.0f, child.size.height);
prevChild = child;
child = this.childAfter(child);
}
canvas.drawPath(backgroundFillPath, this._buttonBackgroundPaint);
canvas.drawPath(pressedBackgroundFillPath, this._pressedButtonBackgroundPaint);
canvas.drawPath(dividersPath, this._dividerPaint);
}
