public void TryDetach()
{
if (m_dataSource == null)
{
return;
}
if (Mode == BindMode.EVENT)
{
if (m_bindFunc == null || !BindTarget)
{
return;
}
LuaBindingEventBase.UnbindEvent(BindTargetProp, BindTarget.gameObject, m_bindFunc);
m_bindFunc?.Dispose();
m_bindFunc = null;
m_dataSource.Dispose();
m_dataSource = null;
return;
}
if (detach != null && (Mode == BindMode.ONE_WAY || Mode == BindMode.TWO_WAY))
{
detach(m_dataSource, m_expression ? GetExpressionKey() : Path, watchCallback);
detach = null;
}
m_dataSource.Dispose();
m_dataSource = null;
if (BindTarget is LuaMVVMForEach forEach)
{
forEach.LuaArrayData = null;
}
if (m_propertyChangeCallback != null)
{
m_propertyChangeCallback.OnPropertyChanged -= OnPropertyChanged;
}
}
public void Bind(LuaTable dataContext)
{
if (m_dataSource != null)
{
TryDetach();
}
object bindingValue = null;
try {
m_dataSource = dataContext;
if (m_expression)
{
var function = TempBindingExpressCache.GenerateTempFunction(ref Path);
using (var setupTempFunc = m_dataSource.GetInPath <LuaFunction>("setup_temp_getter")) {
bindingValue = setupTempFunc.Func <string, LuaFunction, object>(GetExpressionKey(), function);
}
}
else
{
if (m_dataSource == null)
{
return;
}
if (Mode == BindMode.EVENT)
{
m_bindFunc = dataContext.GetInPath <LuaFunction>(Path);
Assert.IsNotNull(m_bindFunc);
LuaBindingEventBase.BindEvent(BindTargetProp, BindTarget.gameObject, m_bindFunc);
return;
}
bindingValue = dataContext.GetInPath <object>(Path);
}
}
catch (Exception e) {
Debug.LogException(e);
}
if (bindingValue == null)
{
Debug.LogWarning($"Not found value in path {Path}");
return;
}
switch (Mode)
{
case BindMode.ONE_WAY:
case BindMode.TWO_WAY:
case BindMode.ONE_TIME: {
if (Mode == BindMode.ONE_WAY || Mode == BindMode.TWO_WAY)
{
var watch = dataContext.GetInPath <WatchLuaProperty>("watch");
watch(dataContext, m_expression ? GetExpressionKey() : Path, watchCallback, m_expression);
detach = dataContext.Get <DetachLuaProperty>("detach");
Assert.IsNotNull(detach);
if (Mode == BindMode.TWO_WAY)
{
if (m_expression)
{
Debug.LogError("express type can not to source");
}
else
{
m_propertyChangeCallback = BindTarget.GetComponent <IUnityPropertyChanged>();
m_propertyChangeCallback.OnPropertyChanged += OnPropertyChanged;
}
}
}
SetPropertyValue(bindingValue);
break;
}
case BindMode.ONE_WAY_TO_SOURCE:
if (m_expression)
{
Debug.LogError("express type can not to source");
return;
}
m_propertyChangeCallback = BindTarget.GetComponent <IUnityPropertyChanged>();
dataContext.SetInPath(Path, m_propertyChangeCallback.ProvideCurrentValue());
m_propertyChangeCallback.OnPropertyChanged += OnPropertyChanged;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
