protected virtual void SpawnElement(IObjectDescription objectDescription)
{
ObjectSelectionElement element = Instantiate(elementPrefab);
element.transform.SetParent(layoutParent);
element.Initialize(this, objectDescription);
}
/// <summary>
/// Add a description for a given class name (or ID)
/// </summary>
/// <param name="clsName"></param>
/// <param name="description"></param>
internal void AddDescription(string clsName, IObjectDescription description)
{
lock (m_descriptions)
{
if (m_descriptions.ContainsKey(clsName))
{
this.Log().Warn("Description already registered for class '{0}'", clsName);
}
else
{
m_descriptions[clsName] = description;
}
}
}
public void Initialize(IObjectSelectionPanel owner, IObjectDescription obj)
{
Owner = owner;
Object = obj;
if (obj != null)
{
titleTextElement.text = obj.Name;
descriptionTextElement.text = obj.Description;
}
else
{
titleTextElement.text = "None";
descriptionTextElement.text = string.Empty;
}
}
protected virtual object CreateObject(IObjectDescription objectDescription, IDictionary items, params object[] args)
{
var ctx = new ObjectBuilderContext(this.ObjectService, this, objectDescription, items);
this.OnObjectCreating(ctx);
var instance = ctx.ObjectInstance;
if (instance != null)
{
return(instance);
}
this.CreateObjectInternal(ctx, args);
this.OnObjectCreated(ctx);
instance = ctx.ObjectInstance;
return(instance);
}
public ObjectBuilderContext(IObjectService objectService, IObjectBuilder objectBuilder, IObjectDescription objectDescription, IDictionary items = null) : base(items)
{
this.ObjectService = objectService;
this.ObjectBuilder = objectBuilder;
this.ObjectDescription = objectDescription;
}
public ConfigurationValue(string name, ConfigurationValueType type, object defaultValue, IObjectDescription description, List <IObjectDescription> options = null, UserObjectType subType = UserObjectType.None)
{
DisplayName = name;
Type = type;
Description = description.Description;
DetailedDescription = description.DetailedDescription;
Options = options;
Subtype = subType;
object verifiedDefault;
if (!Validate(defaultValue, out verifiedDefault))
{
throw new ArgumentException("Default value is not acceptable for this type.");
}
DefaultValue = verifiedDefault;
}
public ConfigurationValue(string name, ConfigurationValueType type, object defaultValue, IObjectDescription description, List<IObjectDescription> options = null, UserObjectType subType = UserObjectType.None)
{
DisplayName = name;
Type = type;
Description = description.Description;
DetailedDescription = description.DetailedDescription;
Options = options;
Subtype = subType;
object verifiedDefault;
if (!Validate(defaultValue, out verifiedDefault))
throw new ArgumentException("Default value is not acceptable for this type.");
DefaultValue = verifiedDefault;
}
public void SelectObject(IObjectDescription obj)
{
Callback(obj);
Destroy(gameObject);
}
void IObjectContainer.Init(IObjectDescription objectDescription, IObjectBuilder objectBuilder)
{
this.Init(objectDescription, objectBuilder);
}
protected virtual void Init(IObjectDescription objectDescription, IObjectBuilder objectBuilder)
{
this.ObjectDescription = objectDescription;
this.ObjectBuilder = objectBuilder;
}
public static object BuildObject(IObjectService objectService, IObjectDescription description, IDictionary items, params object[] args)
{
if (description == null)
{
return(null);
}
var objectType = description.ObjectType;
if (objectType.IsInterface)
{
throw new Exception("无法创建接口的实例");
}
object instance = null;
if (args != null && args.Length > 0)
{
instance = TypeHelper.CreateObject(objectType, null, true, args);
}
if (instance == null)
{
var parameters = description.ConstructorParameters;
if (parameters != null)
{
var length = parameters.Length;
if (length > 0)
{
var types = new Type[length];
var values = new object[length];
for (var i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
types[i] = parameter.Type;
values[i] = GetValueFromValueDescription(parameter, objectService);
}
instance = TypeHelper.CreateObject(objectType, null, true, types, values);
}
}
}
if (instance == null)
{
instance = TypeHelper.CreateObject(objectType, null, true);
}
//尝试进行属性注入
var properties = description.Properties;
if (instance != null && properties != null && properties.Length > 0)
{
foreach (var property in properties)
{
var name = property.Name;
var value = GetValueFromValueDescription(property, objectService);
if (value == null && property.ValueRequired)
{
throw new Exception($"value of {description.ObjectType}.{property.Name} cannot be resolved.");
}
if (instance is IPropertyDescriptor descriptor)
{
descriptor.SetValue(name, value);
}
else
{
TypeHelper.SetPropertyValue(instance, name, value);
}
}
}
return(instance);
}
