/// <summary>
/// 替换字符串里的%变量%(用entity内变量)，用','连接
/// 内部参数带quoto引号
/// </summary>
/// <param name="expression"></param>
/// <param name="entities"></param>
/// <param name="quoto"></param>
/// <returns></returns>
public static string ReplaceEntities(string expression, object[] entities, char quoto)
{
try
{
Match m = s_regexEntityParamter.Match(expression);
while (m.Success)
{
StringBuilder sb = new StringBuilder();
sb.Append(quoto);
foreach (object entity in entities)
{
object v = EntityScript.GetPropertyValue(entity, m.Groups[1].Value);
string s = ConvertEntityParamToString(v, null);
sb.Append(s);
sb.Append(",");
}
if (sb[sb.Length - 1] == ',')
{
sb.Remove(sb.Length - 1, 1);
}
sb.Append(quoto);
expression = expression.Replace(m.Groups[0].Value, sb.ToString());
m = s_regexEntityParamter.Match(expression);
}
}
catch (Exception ex)
{
throw new ArgumentException("expression of " + expression + " format is invalid!", ex);
}
return(expression);
}
//private bool m_needSearchExpression = true;
///// <summary>
///// 是否需要查找条件（如需要，刷新的时候必须要现有条件）
///// </summary>
//protected bool NeedSearchConddition
//{
// get { return m_needSearchExpression; }
// set { m_needSearchExpression = value; }
//}
/// <summary>
/// 重新读入当前行
/// </summary>
public void ReloadItem(int idx)
{
//if (this.DisplayManager.CurrentItem == null)
// return;
if (this.DisplayManager.EntityInfo == null)
{
return;
}
if (idx < 0 || idx >= this.DisplayManager.Count)
{
return;
}
object entity = this.DisplayManager.Items[idx];
object id = EntityScript.GetPropertyValue(entity, this.DisplayManager.EntityInfo.IdName);
IList list = this.GetData(SearchExpression.Eq(this.DisplayManager.EntityInfo.IdName, id), null) as IList;
System.Diagnostics.Debug.Assert(list.Count <= 1);
if (list.Count == 0)
{
return;
}
else if (list.Count == 1)
{
this.DisplayManager.Items[idx] = list[0];
}
}
/// <summary>
/// 替换字符串里的%变量%(用entity内变量）（只有entity变量）
/// 注意，返回字符串会的entity变量会带""""(为了表达式计算需要），如果不需要，调用有quoto函数
/// 如果是Enum，例如收付标志.收，只需要写%收付标志%="收"
/// </summary>
/// <param name="expression"></param>
/// <param name="entity"></param>
/// <param name="quoto"></param>
/// <returns></returns>
public static string ReplaceEntity(string expression, object entity, char?quoto = '\"')
{
return(ReplaceEntity(expression, new GetReplaceValue(delegate(string paramName)
{
return EntityScript.GetPropertyValue(entity, paramName);
}),
quoto));
}
private void GenerateNewChild(T parent)
{
parent.ChildEntity = ReflectionHelper.CreateInstanceFromType(parent.ChildType) as S;
parent.ChildEntity.ParentEntity = parent;
EntityScript.SetPropertyValue(parent.ChildEntity, ServiceProvider.GetService <IEntityMetadataGenerator>().GenerateEntityMetadata(typeof(S)).IdName,
EntityScript.GetPropertyValue(parent, ServiceProvider.GetService <IEntityMetadataGenerator>().GenerateEntityMetadata(typeof(T)).IdName));
}
///// <summary>
///// 在显示当前位置数据前发生
///// </summary>
//public event EventHandler CurrentDisplaying;
/// <summary>
/// 显示当前位置实体类数据
/// </summary>
public virtual void DisplayCurrent()
{
foreach (IDataControl dc in this.DataControls)
{
// if in tab control, the data control may be invisible
//if (!dc.Visible)
// continue;
switch (dc.ControlType)
{
case DataControlType.Unbound:
break;
case DataControlType.Normal:
{
if (string.IsNullOrEmpty(dc.PropertyName))
{
continue;
}
if (this.CurrentItem == null)
{
dc.SelectedDataValue = null;
}
else
{
try
{
dc.SelectedDataValue = EntityScript.GetPropertyValue(this.CurrentItem, dc.Navigator, dc.PropertyName);
}
catch (Exception ex)
{
throw new ArgumentException(string.Format("DataControl of {0} is Invalid!", dc.Name), ex);
}
}
}
break;
case DataControlType.Expression:
if (string.IsNullOrEmpty(dc.PropertyName))
{
continue;
}
if (dc.PropertyName.Contains("%"))
{
dc.SelectedDataValue = EntityScript.CalculateExpression(dc.PropertyName, this.CurrentItem);
}
else
{
}
break;
default:
throw new ArgumentException(string.Format("DataControl of {0} is Invalid!", dc.Name));
}
}
}
private void Load()
{
m_buffers = new System.Collections.Generic.Dictionary <object, object>();
using (IRepository rep = ServiceProvider.GetService <IRepositoryFactory>().GenerateRepository(m_persistentClass))
{
rep.BeginTransaction();
IList list = rep.List(m_persistentClass);
rep.CommitTransaction();
foreach (object i in list)
{
object id = EntityScript.GetPropertyValue(i, ServiceProvider.GetService <IEntityMetadataGenerator>().GenerateEntityMetadata(m_persistentClass).IdName);
m_buffers[id] = i;
}
}
}