int FillList(out string strError)
{
strError = "";
this.listView_columns.Items.Clear();
if (String.IsNullOrEmpty(this.DefString) == true)
{
return(0);
}
this.columns = new SortColumnCollection();
this.columns.Build(this.DefString);
for (int i = 0; i < this.columns.Count; i++)
{
SortColumn column = this.columns[i];
string strColumnName = GetColumnName(column.nColumnNumber);
ListViewItem item = new ListViewItem((i + 1).ToString(), 0);
item.SubItems.Add(strColumnName);
item.SubItems.Add(column.bAsc == true ? "升" : "降");
item.SubItems.Add(column.dataType.ToString());
item.SubItems.Add(column.bIgnorCase == true ? "是" : "否");
this.listView_columns.Items.Add(item);
}
return(0);
}
// Calls CaseInsensitiveComparer.Compare with the parameters reversed.
int IComparer <Line> .Compare(Line line1, Line line2)
{
/*
* if (!(x is Line))
* throw new ArgumentException("object x is not a Line");
* if (!(y is Line))
* throw new ArgumentException("object y is not a Line");
*
*
* Line line1 = (Line)x;
* Line line2 = (Line)y;
*/
if (sortstyle == null)
{
throw (new Exception("sortstyle尚未创建"));
}
for (int i = 0; i < this.sortstyle.Count; i++)
{
SortColumn column = (SortColumn)this.sortstyle[i];
int nRet = 0;
// 取行标题进行比较
if (column.nColumnNumber == -1)
{
nRet = column.CompareString(line1.strKey, line2.strKey);
if (nRet != 0)
{
return(nRet);
}
#if NO
if (column.dataType == DataType.Auto ||
column.dataType == DataType.Number)
{
if (line1.strKey.Length == line2.strKey.Length)
{
nRet = String.Compare(line1.strKey, line2.strKey, column.bIgnorCase);
}
else
{
// 右对齐?
string s1 = line1.strKey;
string s2 = line2.strKey;
if (s1.Length < s2.Length)
{
s1 = s1.PadLeft(s2.Length, ' ');
}
else if (s1.Length > s2.Length)
{
s2 = s2.PadLeft(s1.Length, ' ');
}
nRet = String.Compare(s1, s2, column.bIgnorCase);
}
if (column.bAsc == false)
{
nRet = nRet * (-1);
}
if (nRet != 0)
{
return(nRet);
}
}
else
{
nRet = String.Compare(line1.strKey, line2.strKey, column.bIgnorCase);
if (column.bAsc == false)
{
nRet = nRet * (-1);
}
if (nRet != 0)
{
return(nRet);
}
}
#endif
}
else
{
object o1 = null;
if (column.nColumnNumber < line1.cells.Length)
{
o1 = line1.cells[column.nColumnNumber];
}
object o2 = null;
if (column.nColumnNumber < line2.cells.Length)
{
o2 = line2.cells[column.nColumnNumber];
}
nRet = column.CompareObject(o1, o2);
if (nRet != 0)
{
return(nRet);
}
#if NO
if (column.dataType == DataType.Auto ||
column.dataType == DataType.Number)
{
Int64 n1 = 0;
Int64 n2 = 0;
string s1 = null;
string s2 = null;
bool bException = false;
if ((o1 is Int32) ||
(o1 is Int64))
{
n1 = (Int64)o1;
}
else if (o1 is string)
{
try
{
n1 = Convert.ToInt64((string)o1); // 可能抛出异常
}
catch
{
s1 = (string)o1;
bException = true;
}
}
if ((o2 is Int32) ||
(o2 is Int64))
{
n2 = (Int64)o2;
if (bException == true)
{
s2 = Convert.ToString(n2);
}
}
else if (o2 is string)
{
if (bException == true)
{
s2 = (string)o2;
}
else
{
try
{
n2 = Convert.ToInt64((string)o2);
}
catch
{
s2 = (string)o2;
bException = true;
s1 = Convert.ToString(n1);
}
}
}
if (bException == true)
{
// 对齐
int nMaxLength = Math.Max(s1.Length, s2.Length);
s2 = s2.PadLeft(nMaxLength, '0');
s1 = s1.PadLeft(nMaxLength, '0');
nRet = String.Compare(s1, s2, column.bIgnorCase);
if (column.bAsc == false)
{
nRet = nRet * (-1);
}
if (nRet != 0)
{
return(nRet);
}
}
else
{
Int64 n64Ret = n1 - n2;
if (column.bAsc == false)
{
n64Ret = n64Ret * (-1);
}
if (n64Ret != 0)
{
return((int)n64Ret);
}
}
}
else if (column.dataType == DataType.String)
{
string s1 = "";
string s2 = "";
if ((o1 is Int32) ||
(o1 is Int64))
{
s1 = Convert.ToString((Int64)o1);
}
else if (o1 is string)
{
s1 = (string)o1;
}
if ((o2 is Int32) ||
(o2 is Int64))
{
s2 = Convert.ToString((Int64)o2);
}
else if (o2 is string)
{
s2 = (string)o2;
}
nRet = String.Compare(s1, s2, column.bIgnorCase);
if (column.bAsc == false)
{
nRet = nRet * (-1);
}
if (nRet != 0)
{
return(nRet);
}
}
#endif
} // end of else
} // end of loop
return(0);
}
