private long? GetSelectionMarkStatusId(DetailsListView listView, TabModel tab)
{
var selectionMarkIndex = listView.SelectionMark;
return selectionMarkIndex != -1 ? tab.GetStatusIdAt(selectionMarkIndex) : (long?)null;
}
private long[] GetSelectedStatusIds(DetailsListView listView, TabModel tab)
{
var selectedIndices = listView.SelectedIndices;
if (selectedIndices.Count > 0 && selectedIndices.Count < 61)
return tab.GetStatusIdAt(selectedIndices.Cast<int>());
else
return null;
}
private long? GetFocusedStatusId(DetailsListView listView, TabModel tab)
{
var focusedItem = listView.FocusedItem;
return focusedItem != null ? tab.GetStatusIdAt(focusedItem.Index) : (long?)null;
}
/// <summary>
/// <see cref="ListView"/> のスクロール位置に関する情報を <see cref="ListViewScroll"/> として返します
/// </summary>
private ListViewScroll SaveListViewScroll(DetailsListView listView, TabModel tab)
{
var listScroll = new ListViewScroll
{
ScrollLockMode = this.GetScrollLockMode(listView),
};
if (listScroll.ScrollLockMode == ScrollLockMode.FixedToItem)
{
var topItem = listView.TopItem;
if (topItem != null)
listScroll.TopItemStatusId = tab.GetStatusIdAt(topItem.Index);
}
return listScroll;
}
