body method

Widget body(BuildContext context)

Implementation

Widget body(BuildContext context) {
  final deleteIconImage = Icon(
    CupertinoIcons.delete_left,
    color: widget.deleteIconColor,
  );
  final enterIconImage = Icon(
    CupertinoIcons.arrow_right_to_line,
    color: widget.deleteIconColor,
  );
  return MeasureSize(
    onChange: (size) {
      calculateAspectRatio();
    },
    child: Container(
      key: _gridViewKey,
      padding: const EdgeInsets.only(left: 40, right: 40, bottom: 30),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        mainAxisSize: MainAxisSize.max,
        children: <Widget>[
          SizedBox(
            height: 20,
            child: Padding(
              padding: const EdgeInsets.fromLTRB(30, 0, 30, 0),
              child: ListView(
                controller: listController,
                scrollDirection: Axis.horizontal,
                padding: const EdgeInsets.fromLTRB(20, 0, 20, 0),
                shrinkWrap: true,
                // physics: const NeverScrollableScrollPhysics(),
                children: List.generate(pin.length, (index) {
                  const size = 10.0;
                  if (index == pin.length - 1) {
                    return Padding(
                      padding: const EdgeInsets.fromLTRB(0, 0, 8, 0),
                      child: AnimatedContainer(
                        width: animate ? size : size + 10,
                        height: !animate ? size : size + 10,
                        duration: const Duration(milliseconds: 300),
                        curve: Curves.easeInOut,
                        decoration: BoxDecoration(
                          shape: BoxShape.circle,
                          color: widget.filledIndicatorColor,
                        ),
                      ),
                    );
                  }
                  return Padding(
                    padding: const EdgeInsets.fromLTRB(0, 0, 8, 0),
                    child: Container(
                      width: size,
                      height: size,
                      decoration: BoxDecoration(
                        shape: BoxShape.circle,
                        color: widget.filledIndicatorColor,
                      ),
                    ),
                  );
                }),
              ),
            ),
          ),
          const Spacer(flex: 1),
          Flexible(
            flex: 26,
            child: Container(
                child: _aspectRatio > 0
                    ? GridView.count(
                        shrinkWrap: true,
                        crossAxisCount: 3,
                        childAspectRatio: _aspectRatio + 0.18,
                        physics: const NeverScrollableScrollPhysics(),
                        children: List.generate(
                          12,
                          (index) {
                            const double marginRight = 15;
                            const double marginLeft = 15;
                            const double marginBottom = 4;

                            if (index == 9) {
                              return Container(
                                margin: const EdgeInsets.only(
                                    left: marginLeft, right: marginRight),
                                child: MergeSemantics(
                                  child: Semantics(
                                    label: widget.deleteButtonLabel,
                                    child: ElevatedButton(
                                      style: ElevatedButton.styleFrom(
                                        backgroundColor:
                                            widget.deleteButtonColor,
                                        side: widget.borderSide,
                                        foregroundColor:
                                            widget.onPressColorAnimation,
                                        shape: const CircleBorder(),
                                      ),
                                      onPressed: () => _onRemove(),
                                      child: deleteIconImage,
                                    ),
                                  ),
                                ),
                              );
                            } else if (index == 10) {
                              index = 0;
                            } else if (index == 11) {
                              return Container(
                                margin: const EdgeInsets.only(
                                    left: marginLeft, right: marginRight),
                                child: MergeSemantics(
                                  child: Semantics(
                                    label: widget.enterButtonLabel,
                                    child: ElevatedButton(
                                      style: ElevatedButton.styleFrom(
                                        backgroundColor:
                                            widget.deleteButtonColor,
                                        side: widget.borderSide,
                                        foregroundColor:
                                            widget.onPressColorAnimation,
                                        shape: const CircleBorder(),
                                      ),
                                      onPressed: () {
                                        widget.onEnter(pin, this);
                                        clear();
                                      },
                                      child: enterIconImage,
                                    ),
                                  ),
                                ),
                              );
                            } else {
                              index++;
                            }
                            return Container(
                              margin: const EdgeInsets.only(
                                  left: marginLeft,
                                  right: marginRight,
                                  bottom: marginBottom),
                              child: ElevatedButton(
                                style: ElevatedButton.styleFrom(
                                  backgroundColor: widget.buttonColor,
                                  foregroundColor:
                                      widget.onPressColorAnimation,
                                  side: widget.borderSide,
                                  shape: const CircleBorder(),
                                ),
                                onPressed: () => _onPressed(index),
                                child: Text(
                                  '$index',
                                  style: widget.numbersStyle,
                                ),
                              ),
                            );
                          },
                        ),
                      )
                    : null),
          ),
          widget.centerBottomWidget != null
              ? Flexible(
                  flex: 2,
                  child: Center(child: widget.centerBottomWidget!),
                )
              : const SizedBox(),
        ],
      ),
    ),
  );
}