/// <summary>
/// 由数据获取对应元素的实例化预设
/// </summary>
/// <param name="data"></param>
/// <param name="parent"></param>
/// <returns></returns>
public static UIElement GetInstanceElementByData(UIElementData data, Transform parent = null)
{
if (data == null)
{
Debug.LogError("Data为null");
return(null);
}
if (bindingDict.ContainsKey(data.GetType()))
{
var bindingInfo = bindingDict[data.GetType()];
if (!string.IsNullOrEmpty(bindingInfo.prefabPath))
{
var source = data.GetUIPrefabSource();
var clone = GameObject.Instantiate <UIElement>(source);
if (parent != null)
{
clone.transform.SetParent(parent);
}
clone.Data = data;
clone.transform.localPosition = Vector3.zero;
clone.transform.localRotation = Quaternion.identity;
clone.transform.localScale = Vector3.one;
return(clone);
}
}
return(null);
}
protected UIElement Get(UIElementData data)
{
UIElement ui = null;
var bindingInfo = UIElement.GetBindingInfo(data);
if (bindingInfo != null)
{
foreach (var item in poolList)
{
if (item.GetType() == bindingInfo.uiType)
{
ui = item;
break;
}
}
}
//从池中移除
if (ui != null)
{
poolList.Remove(ui);
}
//实例化新的
if (ui == null)
{
ui = UIElement.GetInstanceElementByData(data);
if (ui == null)
{
Debug.LogErrorFormat("{0}数据未绑定到元素！", data);
}
}
return(ui);
}
/// <summary>
/// 获取Data上绑定数据
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static UIBindingAttribute GetBindingInfo(UIElementData data)
{
if (bindingDict.ContainsKey(data.GetType()))
{
return(bindingDict[data.GetType()]);
}
return(null);
}
protected override bool SetData(UIElementData value)
{
if (!base.SetData(value))
{
return(false);
}
if (!typeof(UIPanelData).IsAssignableFrom(value.GetType()))
{
Debug.LogErrorFormat("Data类型必须继承自UIPanelData {0}", value);
return(false);
}
return(true);
}
protected virtual bool SetData(UIElementData value)
{
if (value == null)
{
Debug.LogErrorFormat("不支持Data为空!");
return(false);
}
if (GetBindingInfo(value).uiType != this.GetType())
{
Debug.LogErrorFormat("赋值的数据类型应为ui元素绑定的数据类型! UI:{0} Data:{1}", this, value);
return(false);
}
m_Data = value;
SetDirty();
return(true);
}
/// <summary>
/// 打开
/// </summary>
/// <param name="state"></param>
public virtual void Open(UIElementData state)
{
Data = state;
Open();
}
public void LoadAsync(UIElementData data, Action <UIElement> element)
{
}
public UIElement Load(UIElementData data)
{
return(UIElement.GetInstanceElementByData(data));
}