/// <summary>
/// Get the initial content ID
/// </summary>
/// In the linear mode, the content ID will not be rounded,
/// because the value will be used for considering that the box
/// should be inactivated or not.
/// <param name="listBoxID">The ID of requested list box</param>
/// <returns>The content ID<para />
/// If there is no content in the bank, return int.MinValue
/// </returns>
public int GetInitialContentID(int listBoxID)
{
if (_listBank.GetListLength() == 0)
{
return(int.MinValue);
}
var contentID = _listSetting.centeredContentID;
// Adjust the contentID according to its initial order
contentID +=
_listSetting.reverseOrder ?
_numOfBoxes / 2 - listBoxID :
listBoxID - _numOfBoxes / 2;
return(_idHandler(contentID));
}
/// <summary>
/// Initialize the related list components
/// </summary>
private void InitializeListComponents()
{
_listPositionCtrl =
new ListPositionCtrl(
_setting, _rectTransform, _canvasRefCamera, _listBoxes);
_listContentManager =
new ListContentManager(
_setting, _listBank, _listBoxes.Count);
if (_setting.centerSelectedBox)
{
_setting.onBoxClick.AddListener(SelectContentID);
}
for (var i = 0; i < _listBoxes.Count; ++i)
{
_listBoxes[i].Initialize(
this, _listPositionCtrl, _listContentManager, i);
}
_hasNoContent = _listBank.GetListLength() == 0;
}
/// <summary>
/// Manage the list content
/// </summary>
/// <param name="setting">The settings of the list</param>
/// <param name="listBank">
/// The bank containing the contents for list to display
/// </param>
/// <param name="numOfBoxes">The number of list boxes</param>
public ListContentManager(
CircularScrollingListSetting setting,
BaseListBank listBank,
int numOfBoxes)
{
_listSetting = setting;
_listBank = listBank;
_numOfBoxes = numOfBoxes;
_idFactor = setting.reverseOrder ? -1 : 1;
_idHandler =
setting.listType == CircularScrollingList.ListType.Circular
? (Func <int, int>)(x =>
(int)Mathf.Repeat(x, _listBank.GetListLength()))
: x => x;
}