public int getIndexFromView(IListItemView view)
{
int length = visibleObjs.Count;
for (int i = 0; i < length; ++i)
{
if (visibleObjs[i] != null && visibleObjs[i].view == view)
{
return(visibleObjs[i].index);
}
}
return(-1);
}
/// <summary>
/// Creates a new list item to be positioned in the list.
/// </summary>
private void GenerateListItem(int index, float position, bool topItem)
{
if (itemRendererFactory == null)
{
Debug.LogError("Item Renderer Factory is not set!");
return;
}
int itemType = onGetItemType(index);
ListItemInfo listItemInfo = GetPooledObj(itemType);
// Get the list items object and set up some parameters
listItemInfo.index = index;
IListItemView view = listItemInfo.view;
if (listItemInfo.obj == null)
{
listItemInfo.obj = itemRendererFactory(index, content);
Assert.IsNotNull(listItemInfo.obj);
view = listItemInfo.obj.GetComponent <IListItemView>();
view.OnSelected += OnSelectedItemBroadcast;
}
Assert.IsNotNull(view);
Assert.IsNotNull(dataProvider);
Assert.IsTrue(index >= 0 && index < dataProvider.Count, "DataProvider index is out of range!");
view.isSelected = (index == _isSelectedIndex);
view.viewData = dataProvider[index];
listItemInfo.view = view;
listItemInfo.obj.SetActive(true);
listItemInfo.obj.transform.SetParent(content, false);
SetupRectTransform(listItemInfo.obj.transform as RectTransform);
visibleObjs.Add(listItemInfo);
if (!CanvasUpdateRegistry.IsRebuildingLayout())
{
Canvas.ForceUpdateCanvases();
}
PositionListItem(listItemInfo, position, topItem);
UpdateListItems();
}
private void OnSelectedItemBroadcast(IListItemView view, bool isSelected)
{
if (isSelected)
{
int index = getIndexFromView(view);
if (index >= 0)
{
_isSelectedIndex = index;
}
}
else
{
_isSelectedIndex = -1;
}
if (onSelectedItem != null)
{
onSelectedItem(_isSelectedIndex, isSelected);
}
}
private void OnItemClick(jQueryEvent e, IListItemView item)
{
Helper.Event.FireClick(item.Model);
if (SelectionMode != ListSelectionMode.None) item.IsSelected = true;
}
private void ClearSelection(IListItemView exclude)
{
foreach (IListItemView view in GetListItemViews())
{
if (!Script.IsNullOrUndefined(view) && view != exclude) view.IsSelected = false;
}
}
private void SelectItem(IListItemView item)
{
// Setup initial conditions.
if (Script.IsNullOrUndefined(item)) return;
// Update the selection.
ClearSelection(item);
item.IsSelected = true; // NB: The model is updated as well because the View uses a PropertRef to the model's property behind the scenes.
}
