private void _updateItems()
{
while (this._itemContents.Count > this._contentPanel.transform.childCount)
{
this._createItemContainer();
}
while (this._itemContents.Count < this._contentPanel.transform.childCount)
{
GameObject item = this._contentPanel.transform.GetChild(this._contentPanel.transform.childCount - 1).gameObject;
if (item)
{
this._removeItemContainer(item);
}
else
{
break;
}
}
for (int itemIndex = 0; itemIndex < this._itemContents.Count; itemIndex++)
{
GameObject itemContainer = this._contentPanel.transform.GetChild(itemIndex).gameObject;
ListViewItemContainer itemContainerComponent = itemContainer.GetComponent <ListViewItemContainer> ();
itemContainer.transform.DetachChildren();
this._itemContents [itemIndex].transform.SetParent(itemContainer.transform);
itemContainerComponent.itemIndex = itemIndex;
itemContainerComponent.content = this._itemContents[itemIndex];
}
}
private void _removeItemContainer(GameObject itemContainer)
{
ListViewItemContainer itemContainerComponent = itemContainer.GetComponent <ListViewItemContainer> ();
itemContainerComponent.listView = null;
itemContainerComponent.content = null;
itemContainer.transform.SetParent(null);
itemContainer.transform.DetachChildren();
}
private GameObject _createItemContainer()
{
GameObject itemContainer = Instantiate(this.itemContainerPrefab);
ListViewItemContainer itemContainerComponent = itemContainer.GetComponent <ListViewItemContainer> ();
// ContentSizeFitter contentSizeFitter = itemContainer.AddComponent<ContentSizeFitter> ();
itemContainer.transform.SetParent(this._contentPanel.transform);
itemContainerComponent.listView = this.gameObject;
switch (this.direction)
{
case Direction.Vertical:
{
VerticalLayoutGroup verticalLayoutGroup = itemContainer.AddComponent <VerticalLayoutGroup> ();
verticalLayoutGroup.childAlignment = TextAnchor.UpperCenter;
verticalLayoutGroup.childForceExpandWidth = true;
verticalLayoutGroup.childForceExpandHeight = false;
// contentSizeFitter.horizontalFit = ContentSizeFitter.FitMode.Unconstrained;
// contentSizeFitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
break;
}
case Direction.Horizontal:
{
HorizontalLayoutGroup horizontalLayoutGroup = itemContainer.AddComponent <HorizontalLayoutGroup> ();
horizontalLayoutGroup.childAlignment = TextAnchor.MiddleLeft;
horizontalLayoutGroup.childForceExpandWidth = false;
horizontalLayoutGroup.childForceExpandHeight = true;
// contentSizeFitter.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
// contentSizeFitter.verticalFit = ContentSizeFitter.FitMode.Unconstrained;
break;
}
}
return(itemContainer);
}