/// <summary>
/// 用ParameterAttribute复制一个DataControlParameter
/// </summary>
/// <param name="name">属性名</param>
/// <param name="pa"></param>
#region DataControlParameter CopyDCPfromParam(string name,ParameterAttribute pa)
private DataControlParameter CopyDCPfromParam(string name, ParameterAttribute pa)
{
DataControlParameter param = new DataControlParameter();
param.Name = name;
param.Data = pa.Data;
param.DefaultValue = pa.DefaultValue;
param.Description = pa.Description;
param.Ignore = pa.Ignore;
param.Length = pa.Length;
param.Maximum = pa.Maxnum.ToString();
param.Minium = pa.Minnum.ToString();
param.Required = pa.Required;
param.Title = pa.Title;
param.Type = pa.Type;
param.Weight = pa.Weight;
param.SupportCopy = pa.SupportCopy;
return(param);
}
/// <summary>
/// 通过MetaData字段来筛选ParameterAttribute属性
/// </summary>
/// <param name="o">控件</param>
/// <param name="prefix">前缀</param>
/// <returns>属性名 ParameterAttribute 键值对</returns>
#region static Dictionary<string,ParameterAttribute> FilterParamAttrs(object o,string prefix)
public static Dictionary <string, ParameterAttribute> FilterParamAttrs(object o, string prefix)
{
Dictionary <string, ParameterAttribute> dictParamAttr = new Dictionary <string, ParameterAttribute>();
Dictionary <string, ParameterAttribute> dictParamAttrOnMetaData = new Dictionary <string, ParameterAttribute>();
List <RemoveParameterAttribute> listParamRemoveOnMetaData = new List <RemoveParameterAttribute>();
List <ClearParameterAttribute> listParamClearOnMetaData = new List <ClearParameterAttribute>();
foreach (PropertyInfo prop in o.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public))
{
string name = !String.IsNullOrEmpty(prefix) ? String.Format("{0}-{1}", prefix, prop.Name) : prop.Name;
if (Attribute.IsDefined(prop, typeof(ParameterAttribute)))
{
if (prop.Name == "MetaData")
{
//MetaData可有多个元标记
//覆盖(在MetaData上使用ParameterAttribute的Name属性来进行覆盖)
List <ParameterAttribute> pars = GetAttributes <ParameterAttribute>(prop);
foreach (ParameterAttribute par in pars)
{
dictParamAttrOnMetaData.Add(par.Name, par);
}
//移除
List <RemoveParameterAttribute> parsRemove = GetAttributes <RemoveParameterAttribute>(prop);
listParamRemoveOnMetaData.AddRange(parsRemove);
//清除
List <ClearParameterAttribute> parsClear = GetAttributes <ClearParameterAttribute>(prop);
listParamClearOnMetaData.AddRange(parsClear);
}
else
{
ParameterAttribute par = GetAttribute <ParameterAttribute>(prop);
if (par != null)
{
//如果Name为空，则Name对应属性名称
if (string.IsNullOrEmpty(par.Name))
{
par.Name = prop.Name;
}
dictParamAttr.Add(prop.Name, par);
}
}
}
//反射属性字段的内部
if (Attribute.IsDefined(prop, typeof(ChildrenAttribute)))
{
object child = prop.GetValue(o, null);
GetParamAttrs(o, prop.Name, ref dictParamAttr);
}
}
foreach (FieldInfo prop in o.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase))
{
string name = !String.IsNullOrEmpty(prefix) ? String.Format("{0}-{1}", prefix, prop.Name) : prop.Name;
if (prop.Name == "MetaData")
{
//MetaData可有多个元标记
//覆盖(在MetaData上使用ParameterAttribute的Name属性来进行覆盖)
List <ParameterAttribute> pars = GetAttributes <ParameterAttribute>(prop);
foreach (ParameterAttribute par in pars)
{
if (!String.IsNullOrEmpty(par.Name))
{
dictParamAttrOnMetaData.Add(par.Name, par);
}
}
//移除
List <RemoveParameterAttribute> parsRemove = GetAttributes <RemoveParameterAttribute>(prop);
listParamRemoveOnMetaData.AddRange(parsRemove);
//清除
List <ClearParameterAttribute> parsClear = GetAttributes <ClearParameterAttribute>(prop);
listParamClearOnMetaData.AddRange(parsClear);
}
else
{
ParameterAttribute par = GetAttribute <ParameterAttribute>(prop);
if (par != null)
{
//如果Name为空，则Name对应属性名称
if (string.IsNullOrEmpty(par.Name))
{
par.Name = prop.Name;
}
if (!dictParamAttr.ContainsKey(prop.Name))
{
dictParamAttr.Add(prop.Name, par);
}
}
}
//反射属性字段的内部
if (Attribute.IsDefined(prop, typeof(ChildrenAttribute)))
{
object child = prop.GetValue(o);
GetParamAttrs(child, prop.Name, ref dictParamAttr);
}
}
if (dictParamAttr.Count == 0)
{
return(null);
}
if (dictParamAttrOnMetaData.Count == 0 && listParamClearOnMetaData.Count == 0 && listParamRemoveOnMetaData.Count == 0)
{
return(dictParamAttr);
}
//清空属性不为空，则返回MetaData上的ParamterAttribute集合
if (listParamClearOnMetaData.Count > 0)
{
return(dictParamAttrOnMetaData);
}
if (listParamRemoveOnMetaData.Count > 0)
{
//移除
foreach (RemoveParameterAttribute parRemove in listParamRemoveOnMetaData)
{
dictParamAttr.Remove(parRemove.PropertyName);
}
//重写（移除属性重名项）
foreach (KeyValuePair <string, ParameterAttribute> pair in dictParamAttrOnMetaData)
{
dictParamAttr.Remove(pair.Key);
}
}
if (dictParamAttr.Count > 0)
{
//转储
foreach (KeyValuePair <string, ParameterAttribute> pair in dictParamAttr)
{
if (!dictParamAttrOnMetaData.ContainsKey(pair.Key))
{
dictParamAttrOnMetaData.Add(pair.Key, pair.Value);
}
}
}
return(dictParamAttrOnMetaData);
}
