/// <summary>
/// 执行注册的脚本行为
/// </summary>
/// <param name="actionName"></param>
/// <param name="arg"></param>
/// <returns></returns>
internal bool CallRegisteredScriptAction(string actionName, ScriptView arg, ref IScriptView returnValue)
{
if (_registeredScriptActions != null)
{
Func <ScriptView, IScriptView> action = null;
if (_registeredScriptActions.TryGetValue(actionName, out action))
{
returnValue = action(arg);
return(true);
}
}
return(false);
}
/// <summary>
/// 绘制脚本回调
/// </summary>
public void DrawScriptCallback(IScriptView view)
{
var output = view.Output();
using (var temp = StringPool.Borrow())
{
StringBuilder code = temp.Item;
code.Append("<script>$(document).ready(function () { ");
code.AppendFormat("$$view.callback({0});", output.GetCode());
code.Append(" });</script>");
this.DrawLine(code.ToString(), DrawOrigin.Bottom);
}
}
private static object ExecuteAction(UIElement e, string actionName, ScriptView arg)
{
IScriptView result = null;
if (e.CallRegisteredScriptAction(actionName, arg, ref result))
{
return(result); //优先执行注册的行为
}
var action = e.ObjectType.ResolveMethod(actionName, ActionParameters);
if (action != null)
{
using (var temp = ArgsPool.Borrow1())
{
var args = temp.Item;
args[0] = arg;
return(action.Invoke(e, args));
}
}
return(null);
//IScriptView result = null;
//if (e.CallRegisteredScriptAction(actionName, arg, ref result)) return result; //优先执行注册的行为
//var action = DependencyAction.GetAction(e.ObjectType, actionName);
//if (action != null)
//{
// if (!action.AllowClientAccess) throw new XamlException("组件方法" + actionName + "未公开");
// return e.CallAction(action, arg);
//}
////如果未能成功在e上执行行文，那么找父亲对象的方法
//var parent = e.Parent as UIElement;
//if (parent != null) return parent.CallScriptAction(null, actionName, arg);
//throw new XamlException("未能执行" + actionName);
}
