// 2005.01.09 - jorn, string optimize
private string CreateSelectRows(bool tree, string parentValue, int level, RowCell cell)
{
StringBuilder s = new StringBuilder(string.Empty);
bool m_Foreignkeyselected = false;
for (int i = 0; i < Table.Rows.Count; i++)
{
string optionValue = Table.Rows[i].PrimaryKeyValues;
if (!string.IsNullOrEmpty(IdentityColumn) && Table.Rows[i][IdentityColumn].Value != null)
{
optionValue = Table.Rows[i][IdentityColumn].Value.ToString();
}
if (tree)
{
string treeValue = null;
if (Table.Rows[i][TreeParentId].Value != null)
{
treeValue = Table.Rows[i][TreeParentId].Value.ToString();
}
if (treeValue != parentValue || Grid.EMPTYSTRINGCONSTANT.Equals(optionValue))
{
continue;
}
}
string selected = string.Empty;
if (!m_Foreignkeyselected && optionValue != null)
{
if (cell.PostBackValue != null)
{
selected = Equals(optionValue, cell.PostBackValue)
? " selected=\"selected\" "
: string.Empty;
}
else if (cell.Value != null)
{
selected = Equals(optionValue, cell.Value.ToString()) ? " selected=\"selected\" " : string.Empty;
}
else if (RememberState && string.IsNullOrEmpty(selected) &&
(string)Grid.GetState(cell.CellClientId) != null)
{
selected =
(String.Compare(optionValue, Grid.GetState(cell.CellClientId) as string, true) == 0)
? "selected=\"selected\" "
: string.Empty;
}
if (string.IsNullOrEmpty(selected) == false)
{
m_Foreignkeyselected = true;
}
}
StringBuilder optionText = new StringBuilder(string.Empty);
if (level > 0)
{
for (int j = 0; j < level; j++)
{
optionText.Append(TreeIndentText);
}
}
try
{
optionText.Append(BuildDisplayText(i, ValueColumn, Table));
}
catch (Exception e)
{
throw new GridException(
string.Format("Error creating select rows for foreign keys ({0})", ColumnId), e);
}
// if( _enableOnlyTreeLeaf && IsEndLeaf(optionValue) == false )
// s += "<option " + selected + "value=\"" + optionValue + "\">" + optionText;
// else
s.AppendFormat("<option{0} value=\"{1}\">{2}</option>", selected, optionValue, optionText);
if (tree)
{
s.Append(CreateSelectRows(true, optionValue, level + 1, cell));
}
}
return(s.ToString());
}
// 2005.01.09 - jorn, string optimize
private string CreateRadioButtons(bool tree, string parentValue, int level, RowCell cell)
{
bool m_Foreignkeyselected = false;
StringBuilder s = new StringBuilder(string.Empty);
for (int i = 0; i < Table.Rows.Count; i++)
{
string optionValue = Table.Rows[i].PrimaryKeyValues;
if (!string.IsNullOrEmpty(IdentityColumn) && Table.Rows[i][IdentityColumn].Value != null)
{
optionValue = Table.Rows[i][IdentityColumn].Value.ToString();
}
if (tree)
{
string treeValue = null;
if (Table.Rows[i][TreeParentId].Value != null)
{
treeValue = Table.Rows[i][TreeParentId].Value.ToString();
}
if (treeValue != parentValue || Grid.EMPTYSTRINGCONSTANT.Equals(optionValue))
{
continue;
}
}
if (i != 0)
{
if (m_Rowcounter == 0)
{
s.Append("</tr><tr><td>");
m_Rowcounter = RecordsPerRow;
}
else
{
s.Append("<td>");
}
}
m_Rowcounter--;
string selected = string.Empty;
if (!m_Foreignkeyselected && optionValue != null)
{
if (cell.PostBackValue != null)
{
selected = Equals(optionValue, cell.PostBackValue)
? " checked=\"checked\" "
: string.Empty;
}
else if (cell.Value != null)
{
selected = Equals(optionValue, cell.Value.ToString()) ? "checked=\"checked\" " : string.Empty;
}
else if (RememberState && string.IsNullOrEmpty(selected) && (string)Grid.GetState(cell.CellClientId) != null)
{
selected =
(String.Compare(optionValue, Grid.GetState(cell.CellClientId) as string, true) == 0)
? "checked=\"checked\" "
: string.Empty;
}
if (string.IsNullOrEmpty(selected) == false)
{
m_Foreignkeyselected = true;
}
}
StringBuilder optionText = new StringBuilder(string.Empty);
if (level > 0)
{
for (int j = 0; j < level; j++)
{
optionText.Append(TreeIndentText);
}
}
try
{
optionText.Append(BuildDisplayText(i, ValueColumn, Table));
}
catch (Exception e)
{
throw new GridException(string.Format("Error creating radio buttons rows for foreign keys ({0})", ColumnId),
e);
}
StringBuilder javascript = new StringBuilder();
if (AutoPostback || string.IsNullOrEmpty(ConfirmMessage) == false)
{
StringBuilder eventScript = new StringBuilder(" onchange=\"");
if (string.IsNullOrEmpty(ConfirmMessage) == false)
{
eventScript.AppendFormat(" if(confirm('{0}')) ", ConfirmMessage);
}
string link = Grid.EnableCallBack && !ForcePostBack?Asynchronous.GetCallbackEventReference(Grid,
string.Format("ElementPostBack!{0}!{1}",
ColumnId, cell.Row.PrimaryKeyValues), false,
string.Empty, string.Empty) : Grid.Page.ClientScript.GetPostBackEventReference(Grid,
string.Format(
"ElementPostBack!{0}!{1}", ColumnId, cell.Row.PrimaryKeyValues));
eventScript.AppendFormat("{0}\"", link);
javascript.Append(eventScript);
}
s.AppendFormat(
"<input type=\"radio\" id=\"rb_{0}_{1}\" {4} name=\"{0}\" value=\"{1}\" {3} /><label class=\"wglabel\" for=\"rb_{0}_{1}\">{2}</label>",
cell.CellClientId, optionValue, optionText, selected, javascript);
if (tree)
{
s.Append(CreateRadioButtons(true, optionValue, level + 1, cell));
}
}
return(s.ToString());
}