private void SetupReorder(ListAttribute listAttribute, ListField field, SerializedProperty property, Type declaringType)
{
if (field.AllowReorder)
{
if (!string.IsNullOrEmpty(listAttribute.ReorderCallback))
{
var reorderCallback = ReflectionHelper.CreateActionCallback(listAttribute.ReorderCallback, declaringType, property);
if (reorderCallback != null)
{
field.RegisterCallback <ListField.ItemReorderedEvent>(evt => reorderCallback.Invoke());
}
else
{
var reorderCallbackFromTo = ReflectionHelper.CreateActionCallback <int, int>(listAttribute.ReorderCallback, declaringType, property);
if (reorderCallbackFromTo != null)
{
field.RegisterCallback <ListField.ItemReorderedEvent>(evt => reorderCallbackFromTo.Invoke(evt.FromIndex, evt.ToIndex));
}
else
{
Debug.LogWarningFormat(_invalidReorderCallbackWarning, property.propertyPath);
}
}
}
}
}
private void SetupAdd(ListAttribute listAttribute, PropertyListProxy proxy, ListField field, SerializedProperty property, Type declaringType, bool isReference)
{
if (field.AllowAdd)
{
if (!string.IsNullOrEmpty(listAttribute.AllowAdd))
{
proxy.CanAddCallback = ReflectionHelper.CreateValueSourceFunction(listAttribute.AllowAdd, property, field, declaringType, true);
}
if (!string.IsNullOrEmpty(listAttribute.AddCallback))
{
if (!isReference)
{
var addCallback = ReflectionHelper.CreateActionCallback(listAttribute.AddCallback, declaringType, property);
if (addCallback != null)
{
field.RegisterCallback <ListField.ItemAddedEvent>(evt => addCallback.Invoke());
}
else
{
var addCallbackIndex = ReflectionHelper.CreateActionCallback <int>(listAttribute.AddCallback, declaringType, property);
if (addCallbackIndex != null)
{
field.RegisterCallback <ListField.ItemAddedEvent>(evt => addCallbackIndex.Invoke(evt.Index));
}
else
{
Debug.LogWarningFormat(_invalidAddCallbackWarning, property.propertyPath);
}
}
}
else
{
var addCallback = ReflectionHelper.CreateActionCallback(listAttribute.AddCallback, declaringType, property);
if (addCallback != null)
{
field.RegisterCallback <ListField.ItemAddedEvent>(evt => addCallback.Invoke());
}
else
{
var addCallbackIndex = ReflectionHelper.CreateActionCallback <int>(listAttribute.AddCallback, declaringType, property);
if (addCallbackIndex != null)
{
field.RegisterCallback <ListField.ItemAddedEvent>(evt => addCallbackIndex.Invoke(evt.Index));
}
else
{
Debug.LogWarningFormat(_invalidAddReferenceCallbackWarning, property.propertyPath);
}
}
}
}
}
}
private void SetupChange(ListAttribute listAttribute, ListField field, SerializedProperty property, Type declaringType)
{
if (!string.IsNullOrEmpty(listAttribute.ChangeCallback))
{
var changeCallback = ReflectionHelper.CreateActionCallback(listAttribute.ChangeCallback, declaringType, property);
if (changeCallback != null)
{
field.RegisterCallback <ListField.ItemsChangedEvent>(evt => changeCallback.Invoke());
}
else
{
Debug.LogWarningFormat(_invalidChangeCallbackWarning, property.propertyPath);
}
}
}
public override VisualElement CreatePropertyGUI(SerializedProperty property)
{
var items = property.FindPropertyRelative(SerializedList <string> .ItemsProperty);
if (items != null && items.isArray)
{
var isReference = fieldInfo.FieldType.BaseType.GetGenericTypeDefinition() == typeof(ReferenceList <>);
var referenceType = isReference ? fieldInfo.GetFieldType() : null;
var declaringType = fieldInfo.DeclaringType;
var listAttribute = attribute as ListAttribute;
var drawer = this.GetNextDrawer();
var proxy = new PropertyListProxy(items, drawer);
var field = new ListField
{
IsCollapsable = listAttribute.IsCollapsable,
bindingPath = items.propertyPath,
Label = property.displayName
};
// TODO: other stuff from ConfigureField
if (!string.IsNullOrEmpty(listAttribute.EmptyLabel))
{
field.EmptyLabel = listAttribute.EmptyLabel;
}
field.AllowAdd = listAttribute.AllowAdd != ListAttribute.Never;
field.AllowRemove = listAttribute.AllowRemove != ListAttribute.Never;
field.AllowReorder = listAttribute.AllowReorder;
SetupAdd(listAttribute, proxy, field, property, declaringType, isReference);
SetupRemove(listAttribute, proxy, field, property, declaringType);
SetupReorder(listAttribute, field, property, declaringType);
SetupChange(listAttribute, field, property, declaringType);
field.SetProxy(proxy, referenceType, true);
return(field);
}
else
{
Debug.LogWarningFormat(_invalidTypeWarning, property.propertyPath);
return(new FieldContainer(property.displayName, string.Empty));
}
}
public override VisualElement CreatePropertyGUI(SerializedProperty property)
{
var items = property.FindPropertyRelative(SerializedList <string> .ItemsProperty);
if (items != null && items.isArray)
{
var listAttribute = attribute as ListAttribute;
var parent = property.GetOwner <object>();
var proxy = CreateProxy(property.displayName, items, listAttribute);
if (TryGetMethod(listAttribute.AllowAdd, _missingAllowAddMethodWarning, property.propertyPath, out var allowAddMethod))
{
var owner = allowAddMethod.IsStatic ? null : parent;
var count = CheckSignature(allowAddMethod, typeof(bool), false, false, _invalidAllowAddMethodWarning, property.propertyPath);
if (count == 0)
{
proxy.CanAddCallback += () => NoneConditional(allowAddMethod, owner);
}
}
if (TryGetMethod(listAttribute.AllowRemove, _missingAllowRemoveMethodWarning, property.propertyPath, out var allowRemoveMethod))
{
var owner = allowRemoveMethod.IsStatic ? null : parent;
var count = CheckSignature(allowRemoveMethod, typeof(bool), true, false, _invalidAllowRemoveMethodWarning, property.propertyPath);
if (count == 0)
{
proxy.CanRemoveCallback += index => NoneConditional(allowRemoveMethod, owner);
}
else if (count == 1)
{
proxy.CanRemoveCallback += index => OneConditional(index, allowRemoveMethod, owner);
}
}
if (TryGetMethod(listAttribute.AllowReorder, _missingAllowReorderMethodWarning, property.propertyPath, out var allowReorderMethod))
{
var owner = allowReorderMethod.IsStatic ? null : parent;
var count = CheckSignature(allowReorderMethod, typeof(bool), true, true, _invalidAllowReorderMethodWarning, property.propertyPath);
if (count == 0)
{
proxy.CanReorderCallback += (from, to) => NoneConditional(allowReorderMethod, owner);
}
else if (count == 1)
{
proxy.CanReorderCallback += (from, to) => OneConditional(to, allowReorderMethod, owner);
}
else if (count == 2)
{
proxy.CanReorderCallback += (from, to) => TwoConditional(from, to, allowReorderMethod, owner);
}
}
if (TryGetMethod(listAttribute.AddCallback, _missingAddMethodWarning, property.propertyPath, out var addMethod))
{
var owner = addMethod.IsStatic ? null : parent;
var count = CheckSignature(addMethod, null, false, false, _invalidAddMethodWarning, property.propertyPath);
if (count == 0)
{
proxy.AddCallback += () => NoneCallback(addMethod, owner);
}
}
if (TryGetMethod(listAttribute.RemoveCallback, _missingRemoveMethodWarning, property.propertyPath, out var removeMethod))
{
var owner = removeMethod.IsStatic ? null : parent;
var count = CheckSignature(removeMethod, null, true, false, _invalidRemoveMethodWarning, property.propertyPath);
if (count == 0)
{
proxy.RemoveCallback += index => NoneCallback(removeMethod, owner);
}
else if (count == 1)
{
proxy.RemoveCallback += index => OneCallback(index, removeMethod, owner);
}
}
if (TryGetMethod(listAttribute.ReorderCallback, _missingReorderMethodWarning, property.propertyPath, out var reorderMethod))
{
var owner = reorderMethod.IsStatic ? null : parent;
var count = CheckSignature(reorderMethod, null, true, true, _invalidReorderMethodWarning, property.propertyPath);
if (count == 0)
{
proxy.ReorderCallback += (from, to) => NoneCallback(reorderMethod, owner);
}
else if (count == 1)
{
proxy.ReorderCallback += (from, to) => OneCallback(to, reorderMethod, owner);
}
else if (count == 2)
{
proxy.ReorderCallback += (from, to) => TwoCallback(from, to, reorderMethod, owner);
}
}
var field = new ListField();
field.Setup(items, proxy);
return(field);
}
else
{
Debug.LogWarningFormat(_invalidTypeWarning, property.propertyPath);
return(new FieldContainer(property.displayName, string.Empty));
}
}
private void SetupRemove(ListAttribute listAttribute, PropertyListProxy proxy, ListField field, SerializedProperty property, Type declaringType)
{
if (field.AllowRemove)
{
if (!string.IsNullOrEmpty(listAttribute.AllowRemove))
{
proxy.CanRemoveCallback = ReflectionHelper.CreateFunctionCallback <int, bool>(listAttribute.AllowRemove, declaringType, property);
if (proxy.CanRemoveCallback == null)
{
var canRemove = ReflectionHelper.CreateValueSourceFunction(listAttribute.AllowRemove, property, field, declaringType, true);
proxy.CanRemoveCallback = index => canRemove();
}
}
if (!string.IsNullOrEmpty(listAttribute.RemoveCallback))
{
var removeCallback = ReflectionHelper.CreateActionCallback(listAttribute.RemoveCallback, declaringType, property);
if (removeCallback != null)
{
field.RegisterCallback <ListField.ItemRemovedEvent>(evt => removeCallback.Invoke());
}
else
{
var removeCallbackIndex = ReflectionHelper.CreateActionCallback <int>(listAttribute.RemoveCallback, declaringType, property);
if (removeCallbackIndex != null)
{
field.RegisterCallback <ListField.ItemRemovedEvent>(evt => removeCallbackIndex.Invoke(evt.Index));
}
else
{
Debug.LogWarningFormat(_invalidRemoveCallbackWarning, property.propertyPath);
}
}
}
}
}