private DataSet GetDataSet()
{
string sqlColumn = string.Empty;
string sqlUnionall = string.Empty;
string sqlAllUnionall = string.Empty;
if (Items[0] as Objects.BaseObject == null || ShowState == ColumnShowState.Name)//判断，如果第一个不是BaseObject的，则默认以后的也不是，这样，就只显示一列“名称”。
{
sqlColumn = sqlColumnName;
sqlUnionall = sqlUnionallName;
for (int i = 0; i < Items.Count; i++)
{
sqlAllUnionall += string.Format(sqlUnionall, Items[i].ToString());
}
sqlAllUnionall = sqlAllUnionall.Remove(sqlAllUnionall.LastIndexOf("union all"));
string sql = string.Format(sqlBase, sqlColumn, sqlAllUnionall);
DataSet ds = null;
quickReportManager.ExecQuery(sql, ref ds);
return(ds);
}
else
{
sqlColumn = sqlColumnBoth;
sqlUnionall = sqlUnionallBoth;
for (int i = 0; i < Items.Count; i++)
{
Objects.BaseObject obj = Items[i] as Objects.BaseObject;
if (obj == null)
{
sqlAllUnionall += string.Format(sqlUnionall, string.Empty, Items[i].ToString());
}
else
{
sqlAllUnionall += string.Format(sqlUnionall, obj.ID, obj.Name);
}
}
sqlAllUnionall = sqlAllUnionall.Remove(sqlAllUnionall.LastIndexOf("union all"));
string sql = string.Format(sqlBase, sqlColumn, sqlAllUnionall);
DataSet ds = null;
quickReportManager.ExecQuery(sql, ref ds);
return(ds);
}
}
public void TryChangeState(State state, params object[] args)
{
switch (state)
{
case State.Focus:
_targets = args[0] as List <Objects.BaseObject>;
_state = state;
break;
case State.Follow:
_target = args[0] as Objects.BaseObject;
_state = state;
break;
case State.Idle:
_state = state;
break;
}
}
