checkForYAxisMovement method

void checkForYAxisMovement({ required int listIndex, required int itemIndex, })

Implementation

void checkForYAxisMovement({required int listIndex, required int itemIndex}) {
  var prov = ref.read(ProviderList.boardProvider);
  var item = prov.board.lists[listIndex].items[itemIndex];

  bool willPlaceHolderAtBottom = false;
  bool willPlaceHolderAtTop = false;
  willPlaceHolderAtBottom = ((itemIndex ==
          prov.board.lists[listIndex].items.length - 1) &&
      ((prov.draggedItemState!.height * 0.6) + prov.valueNotifier.value.dy >
          item.y! + item.height!) &&
      !item.bottomPlaceholder! && prov.board.lists[listIndex].items[itemIndex].addedBySystem!=true );

  willPlaceHolderAtTop =
      ((prov.valueNotifier.value.dy < item.y! + (item.height! * 0.5)) &&
          (prov.draggedItemState!.height + prov.valueNotifier.value.dy >
              item.y! + (item.height! * 0.5)))&& prov.board.lists[listIndex].items[itemIndex].addedBySystem!=true;

  // print(willPlaceHolderAtTop);
  if (((willPlaceHolderAtTop || willPlaceHolderAtBottom) &&
          prov.board.dragItemOfListIndex! == listIndex) &&
      (prov.board.dragItemIndex != itemIndex ||
          (willPlaceHolderAtBottom &&
              !prov.board.lists[listIndex].items[itemIndex]
                  .bottomPlaceholder!) ||
          (prov.board.lists[listIndex].items[itemIndex].bottomPlaceholder! &&
              (itemIndex == prov.board.lists[listIndex].items.length - 1)))) {
    // log("UP/DOWNN");
    if (willPlaceHolderAtBottom && item.bottomPlaceholder!) return;

    if (prov.board.dragItemIndex! < itemIndex && prov.move != 'other') {
      prov.move = "DOWN";
    }

    resetCardWidget();

    item.bottomPlaceholder = willPlaceHolderAtBottom;
    if (willPlaceHolderAtBottom) {
      log("BOTTOM PLACEHOLDER ^");
      prov.move = "LAST";
    }
    var isItemHidden = itemIndex - 1 >= 0 &&
        prov.draggedItemState!.itemIndex == itemIndex - 1 &&
        prov.draggedItemState!.listIndex == listIndex;

    if ((item.addedBySystem == null || !item.addedBySystem!)) {
      addPlaceHolder(listIndex: listIndex, itemIndex: itemIndex);
    }
    if (isPrevSystemCard(listIndex: listIndex, itemIndex: itemIndex)) return;

    var temp = prov.board.dragItemIndex;
    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
      //     log("PREVIOUS |${prov.board.dragItemOfListIndex}| LIST= ${prov.board.dragItemIndex}");

      if (!prov.board.lists[prov.board.dragItemOfListIndex!].items[temp!]
          .context!.mounted) return;

      if (isItemHidden) {
        prov.move = "DOWN";
      }
      prov.board.dragItemIndex = itemIndex;
      prov.board.dragItemOfListIndex = listIndex;
      prov.board.lists[prov.board.dragItemOfListIndex!].items[temp]
          .setState!();
      //  log("UP/DOWN $listIndex $itemIndex");
      item.setState!();
    });
  }
}