/// <summary>
/// 创建一个数组元素自定义的ArrayElement
/// </summary>
/// <param name="customerAttribute"></param>
/// <param name="depth"></param>
/// <returns></returns>
public InspectorElement CreateCustomerArrayElemnet(CustomerElementAttribute customerAttribute, int depth)
{
InspectorElement element = Activator.CreateInstance(typeof(ArrayElement), customerAttribute) as InspectorElement;
element.Inspector = this;
element.Depth = depth;
return(element);
}
/// <summary>
/// 通过UI类型获取UIItem
/// </summary>
/// <param name="elementType"></param>
/// <param name="drawerParent"></param>
/// <returns></returns>
public InspectorElement CreateDrawerForType(Type elementType, int depth, params object[] args)
{
InspectorElement element = Activator.CreateInstance(elementType, args) as InspectorElement;
element.Inspector = this;
element.Depth = depth;
return(element);
}
/// <summary>
/// 绑定UI
/// </summary>
/// <param name="parent">UI</param>
/// <param name="member">成员</param>
/// <param name="variableName">变量名称</param>
public void BindTo(InspectorElement parent, MemberInfo member, string proertyName)
{
string variableName = proertyName;
if (member is FieldInfo field)
{
if (variableName == null)
{
variableName = field.Name;
}
if (!field.FieldType.IsValueType)
{
BindTo(field.FieldType, variableName, () => field.GetValue(parent.Value), (value) =>
{
field.SetValue(parent.Value, value);
});
}
else
{
BindTo(field.FieldType, variableName, () => field.GetValue(parent.Value), (value) =>
{
field.SetValue(parent.Value, value);
parent.Value = parent.Value; // 这一步是为了将struct的值不断向上一级传递
});
}
}
else if (member is PropertyInfo property)
{
if (variableName == null)
{
variableName = property.Name;
}
if (!property.PropertyType.IsValueType)
{
BindTo(property.PropertyType, variableName, () => property.GetValue(parent.Value, null), (value) =>
{
property.SetValue(parent.Value, value, null);
});
}
else
{
BindTo(property.PropertyType, variableName, () => property.GetValue(parent.Value, null), (value) =>
{
property.SetValue(parent.Value, value, null);
parent.Value = parent.Value;
});
}
}
else
{
throw new ArgumentException("Member can either be a field or a property");
}
}
protected override void CreateElements()
{
if (Value == null)
{
return;
}
if (IsArray)
{
Array array = (Array)Value;
for (int i = 0; i < array.Length; i++)
{
InspectorElement elementDrawer = CreateDrawerForMemberType();
if (elementDrawer == null)
{
break;
}
int index = i;
elementDrawer.BindTo(elementType, "Element " + i, () => ((Array)Value).GetValue(index), (value) =>
{
Array _array = (Array)Value;
_array.SetValue(value, index);
Value = _array;
});
elementDrawer.Refresh();
elementsContent.Add(elementDrawer);
}
}
else
{
IList list = (IList)Value;
for (int i = 0; i < list.Count; i++)
{
InspectorElement elementDrawer = CreateDrawerForMemberType();
if (elementDrawer == null)
{
break;
}
int j = i;
elementDrawer.BindTo(elementType, "Element " + i, () => ((IList)Value)[j], (value) =>
{
IList _list = (IList)Value;
_list[j] = value;
Value = _list;
});
elementDrawer.Refresh();
elementsContent.Add(elementDrawer);
}
}
}
