/// <summary>
/// 强制重新布局
/// </summary>
public void Relayout()
{
float allHeight = 0;
CommonListItem li = null;
float startY = 0;
for (int i = 0; i < List.Count; i++)
{
li = GetItem(i);
if (li.visible)
{
li.itemRectTransform.anchoredPosition = new Vector2(li.itemRectTransform.anchoredPosition.x, -startY);
startY += li.itemRectTransform.sizeDelta.y;
allHeight += li.itemRectTransform.sizeDelta.y;
if (!li.itemObject.activeSelf)
{
li.itemObject.SetActive(true);
}
}
else if (li.itemObject.activeSelf)
{
li.itemObject.SetActive(false);
}
}
rectTransform.sizeDelta = new Vector2(rectTransform.sizeDelta.x, allHeight);
}
/// <summary>
/// 设置条目选中状态
/// </summary>
/// <param name="item">条目</param>
/// <param name="selected">是否选中</param>
public void SetItemSelected(CommonListItem item, bool selected)
{
item.selected = selected;
if (item.selected)
{
if (itemCanMultiSelect)
{
if (!currentSelectedItems.Contains(item))
{
currentSelectedItems.Add(item);
}
}
else
{
currentSelectedItems.Clear();
currentSelectedItems.Add(item);
}
item.backgroundImage.sprite = itemBackgroundSelected;
}
else
{
currentSelectedItems.Remove(item);
item.backgroundImage.sprite = itemBackgroundNormal;
}
}
/// <summary>
/// 添加条目
/// </summary>
/// <returns></returns>
public CommonListItem AddItem()
{
CommonListItem newItem = new CommonListItem();
newItem.itemObject = GameCloneUtils.CloneNewObjectWithParent(ItemPrefab, rectTransform.transform);
newItem.itemRectTransform = newItem.itemObject.GetComponent <RectTransform>();
newItem.backgroundImage = newItem.itemObject.AddComponent <Image>();
newItem.backgroundImage.type = Image.Type.Sliced;
newItem.backgroundImageButton = newItem.itemObject.AddComponent <Button>();
newItem.backgroundImageButton.transition = Selectable.Transition.SpriteSwap;
newItem.backgroundImage.sprite = itemBackgroundNormal;
newItem.visible = true;
newItem.selected = false;
SpriteState spriteState = new SpriteState();
spriteState.highlightedSprite = itemBackgroundHover;
spriteState.selectedSprite = itemBackgroundSelected;
spriteState.pressedSprite = itemBackgroundPressed;
spriteState.disabledSprite = itemBackgroundPressed;
newItem.backgroundImageButton.spriteState = spriteState;
EventTriggerListener.Get(newItem.itemObject).onClick = (g) => OnItemClicked(newItem);
List.Add(newItem);
needRelayout = 10;
return(newItem);
}
/// <summary>
/// 移除条目
/// </summary>
/// <param name="item">条目实例</param>
public void RemoveItem(CommonListItem item)
{
List.Remove(item);
}
private void OnItemClicked(CommonListItem item)
{
SetItemSelected(item, !item.selected);
}
