/// ------------------------------------------------------------------------------------
public void Add(PickerPopupItem item)
{
if (!_items.Contains(item))
{
item.CheckedChanged += HandleItemCheckedChanged;
item.Disposed += HandleItemDisposed;
_items.Add(item);
}
}
/// ------------------------------------------------------------------------------------
protected override void HandleItemCheckChanged(object sender, PickerPopupItem item)
{
if (_displayedMatches != null)
{
AutoCompleteTextBox.InsertWord(Popup.GetCheckedItemsString());
ClosePopup();
}
else
{
base.HandleItemCheckChanged(sender, item);
}
}
/// ------------------------------------------------------------------------------------
private void HandleItemCheckedChanged(PickerPopupItem item,
PickerPopupItem.ItemSelectMode selectMode)
{
if (ItemCheckChanged != null)
{
ItemCheckChanged(this, item);
}
if (selectMode == PickerPopupItem.ItemSelectMode.Mouse)
{
ClosePopup();
}
}
/// ------------------------------------------------------------------------------------
protected virtual void HandleColChooserItemCheckChanged(object sender, PickerPopupItem item)
{
var col = item.Tag as DataGridViewColumn;
// Check if the column is being hidden.
if (!item.Checked)
{
if (_grid.Columns.Cast <DataGridViewColumn>().Where(c => c.Visible).Count() == 1)
{
ColChooserPopup.ItemCheckChanged -= HandleColChooserItemCheckChanged;
item.Checked = true;
ColChooserPopup.ItemCheckChanged += HandleColChooserItemCheckChanged;
if (_msgWindow == null)
{
_msgWindow = new FadingMessageWindow();
}
var msg = LocalizationManager.GetString("CommonToMultipleViews.ElementList.OneColumnMustBeVisibleMsg",
"One column must be visible.",
"Displayed when user clears all columns for display in sessions or people list");
var pt = PointToScreen(new Point(Width / 2, Height / 3));
_msgWindow.Show(msg, pt);
SystemSounds.Beep.Play();
return;
}
// If the column is the current column, then change the current column
// before hiding it. Otherwise, the current column becomes indeterminate.
if (_grid is BetterGrid && _grid.CurrentCellAddress.X == col.Index)
{
((BetterGrid)_grid).SelectAdjacentVisibleColumn(true);
}
}
_grid.SuspendLayout();
col.Visible = item.Checked;
_grid.ResumeLayout();
}
/// ------------------------------------------------------------------------------------
protected virtual void HandleItemCheckChanged(object sender, PickerPopupItem item)
{
Text = Popup.GetCheckedItemsString();
}
/// ------------------------------------------------------------------------------------
protected override void HandleItemCheckChanged(object sender, PickerPopupItem item)
{
base.HandleItemCheckChanged(sender, item);
TextBox.SelectAll();
}