/// Bind data to the control.
public override void DataBind()
{
// Clear the child view state.
if (this.HasChildViewState)
{
this.ClearChildViewState();
}
// Let's not create the child controls.
this.ChildControlsCreated = true;
// Delete the rows from the table.
this.rows_ = 0;
this.Rows.Clear();
// Create the first row for the table.
LogFormatRow row = this.NewRow();
// Initailize the data for this row.
row.AddRange(this.formats_.ToArray());
row.SelectedValue = this.formats_[0].ID;
// Increment the number of rows.
this.rows_ = 1;
}
private LogFormatRow NewRow()
{
LogFormatRow row = new LogFormatRow();
this.Rows.Add(row);
row.SelectionChanged += new EventHandler(this.handle_selection_changed);
row.SelectionChanging += new EventHandler(this.handle_selection_changing);
return(row);
}
private void handle_selection_changed(object sender, EventArgs e)
{
// Get the index of the row.
LogFormatRow row = (LogFormatRow)sender;
int index = this.Rows.GetRowIndex(row);
for (int i = 0; i < this.rows_; ++i)
{
if (i != index)
{
// Remove the current selection.
row.Remove(row.SelectedItem);
// Insert the previous selection.
row.Add(this.prev_selection_);
}
}
}
public void IncreaseLogFormats()
{
// Create a new log format.
this.EnsureChildControls();
LogFormatRow row = this.NewRow();
// Get the log formats from the last row.
LogFormatRow lastrow = (LogFormatRow)this.Rows[this.rows_ - 1];
LogFormats formats = new LogFormats(lastrow.LogFormats.ToArray());
// Remove last row's selected log format from all rows.
LogFormat format = lastrow.SelectedItem;
formats.Remove(format);
int lastindex = this.rows_ - 1;
for (int i = 0; i < this.rows_; ++i)
{
// Get the current row.
LogFormatRow currrow = (LogFormatRow)this.Rows[i];
// Remove the previously selected format from the row.
if (i != lastindex)
{
currrow.Remove(format);
}
// Remove the newly selected format from the row.
currrow.Remove(formats[0]);
}
// Initialize the contents of the row.
row.AddRange(formats.ToArray());
row.SelectedValue = formats[0].ID;
// Increment the row count.
++this.rows_;
}
private void handle_selection_changing(object sender, EventArgs e)
{
LogFormatRow row = (LogFormatRow)sender;
this.prev_selection_ = row.SelectedItem;
}