public ITree CreateObject(params object[] args)
{
IDbDataSource source = ObjectUtil.ConfirmQueryObject <IDbDataSource>(this, args);
LevelTreeDefinition treeDef = fConfig.TreeDefinition;
return(CreateTree(SourceScheme, treeDef, source));
}
public int GetLevel(LevelTreeDefinition def, string value)
{
if (string.IsNullOrEmpty(value))
{
return(0);
}
return(def.GetLevel(value.TrimEnd('0')));
}
public string GetParentId(LevelTreeDefinition def, int level, string value)
{
if (level == 0)
{
return("#");
}
else
{
LevelItem item = def.GetLevelItem(level - 1);
return(value.Substring(0, item.End).PadRight(def.TotalCount, '0'));
}
}
public string GetSqlExceptValue(LevelTreeDefinition def, int level, string value)
{
if (level == 0)
{
return(string.Empty);
}
else
{
LevelItem item = def.GetLevelItem(level - 1);
if (string.IsNullOrEmpty(value))
{
value = string.Empty;
}
else
{
value = value.Substring(0, item.End);
}
return(value);
}
}
public string GetSqlExceptValue(LevelTreeDefinition def, int level, string value)
{
if (level == 0)
{
return(string.Empty);
}
else
{
LevelItem item = def.GetLevelItem(level - 1);
if (string.IsNullOrEmpty(value))
{
value = string.Empty;
}
else
{
value = value.Substring(0, item.End);
}
//int len = def.TotalCount - item.End;
return(value.PadRight(def.TotalCount, '0'));
}
}
public string GetSqlLikeValue(LevelTreeDefinition def, int level, string value)
{
LevelItem item = def.GetLevelItem(level);
if (level == 0)
{
return(string.Empty.PadRight(item.End, '_').PadRight(def.TotalCount, '0'));
}
else
{
if (string.IsNullOrEmpty(value))
{
value = string.Empty;
}
else
{
value = value.Substring(0, item.Start);
}
return(value.PadRight(item.End, '_').PadRight(def.TotalCount, '0'));
}
}
public ClassicLevelSearch(LevelTreeDefinition treeDef, ILevelProvider levelProvider)
{
fLevelProvider = levelProvider;
fTreeDef = treeDef;
}
protected override ITree CreateTree(ITableScheme scheme, LevelTreeDefinition definition,
IDbDataSource source)
{
return(new Level0Tree(scheme, definition, source));
}
public int GetLevel(LevelTreeDefinition def, string value)
{
return(def.GetLevel(value));
}
protected abstract ITree CreateTree(ITableScheme scheme, LevelTreeDefinition definition,
IDbDataSource source);
