/// <summary>
/// 设置值
/// </summary>
/// <typeparam name="T">值类型</typeparam>
/// <param name="property">依赖属性</param>
/// <param name="storage">值存储</param>
/// <param name="value">值</param>
public void SetValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage, T value)
{
storage.AddOrUpdate(this, property, o => new LocalEffectiveValue <T>(value), (k, o) =>
{
((LocalEffectiveValue <T>)o).SetValue(value);
return(o);
});
}
public Task SetValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage, T value)
{
return(storage.AddOrUpdate(this, property, o => new LocalEffectiveValue <T>(value), async(k, o) =>
{
await((LocalEffectiveValue <T>)o).SetValue(value);
return o;
}));
}
ClearValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage)
{
IEffectiveValue <T> eValue;
#if ECS_SERVER
return
(#endif
storage.TryRemove(this, property, out eValue));
}
public bool TryGetValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage, out T value)
{
IEffectiveValue <T> eValue;
if (storage.TryGetValue(this, property, out eValue))
{
value = eValue.Value;
return(true);
}
value = default(T);
return(false);
}
public bool TryGetValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage, out BindingBase value)
{
IEffectiveValue <T> eValue;
if (storage.TryGetValue(this, property, out eValue))
{
value = ((BindingEffectiveValue <T>)eValue).Binding;
return(true);
}
value = null;
return(false);
}
private bool TryGetCurrentEffectiveValueExcept(DependencyProperty key, IDependencyValueStorage except, out IEffectiveValue value)
{
foreach (var storage in _storages.Values)
{
if (storage == except)
{
continue;
}
if (storage.TryGetCurrentEffectiveValue(key, out value))
{
return(true);
}
}
value = null;
return(false);
}
public void ClearValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage)
{
IEffectiveValue <T> eValue;
storage.TryRemove(this, property, out eValue);
}
public Task ClearValue <T>(DependencyProperty <T> property, IDependencyValueStorage storage)
{
IEffectiveValue <T> eValue;
return(storage.TryRemove(this, property, out eValue));
}
private void UpdateStorage(DependencyValueStorageKey key, IDependencyValueStorage old, IDependencyValueStorage value)
{
var dps = value.Keys.Union(old.Keys).ToList();
UpdateStorage(dps, () => _storages[key] = value);
}
private void RemoveStorage(DependencyValueStorageKey key, IDependencyValueStorage storage)
{
var dps = storage.Keys.ToList();
UpdateStorage(dps, () => _storages.Remove(key));
}
private void AddStorage(DependencyValueStorageKey key, IDependencyValueStorage storage)
{
var dps = storage.Keys.ToList();
UpdateStorage(dps, () => _storages.Add(key, storage));
}
public void SetValue <T>(DependencyObject d, DependencyProperty <T> property, IDependencyValueStorage storage, BindingBase value)
{
storage.AddOrUpdate(this, property, o => new BindingEffectiveValue <T>(d, value), (k, o) => new BindingEffectiveValue <T>(d, value));
}
