public void MoveSelectedDown()
{
var item1 = SelectedVisibleColumn;
var item2 = SelectedColumns[SelectedColumns.IndexOf(item1) + 1];
SelectedColumns.Swap(item1, item2);
SelectedVisibleColumn = item1;
}
public void HideColumn()
{
var oldIndex = SelectedColumns.IndexOf(SelectedVisibleColumn);
int newIndex = oldIndex;
if (newIndex >= (SelectedColumns.Count - 1))
{
--newIndex;
}
var col = SelectedVisibleColumn;
SelectedVisibleColumn = null;
col.Visible = false;
SelectedVisibleColumn = (newIndex >= 0) ? SelectedColumns[newIndex] : null;
}
public void MoveDown()
{
if (SelectedColumns.Count == 0 || SelectedColumns.Last().IsSelected)
{
return;
}
var selected = SelectedColumns.Where(c => c.IsSelected).Reverse().ToArray();
foreach (var item in selected)
{
var index = SelectedColumns.IndexOf(item);
SelectedColumns.RemoveAt(index);
SelectedColumns.Insert(index + 1, item);
}
}
public ColumnSelectorVM(IEnumerable <GuiGridColumn> columns, OnSaveDelegate onSave)
{
_onSave = onSave;
CloseCommand = new DelegateCommand(
o => true,
o => CloseAction()
);
SaveCommand = new DelegateCommand(
o => true,
o => Save()
);
UpColumnCommand = new DelegateCommand(
o => SelectedSelectedColumn != null && SelectedColumns.IndexOf(SelectedSelectedColumn) > 0,
o => UpColumn(SelectedSelectedColumn)
);
DownColumnCommand = new DelegateCommand(
o => SelectedSelectedColumn != null && SelectedColumns.IndexOf(SelectedSelectedColumn) < SelectedColumns.Count - 1,
o => DownColumn(SelectedSelectedColumn)
);
AddColumnCommand = new DelegateCommand(
o => SelectedAvailableColumn != null,
o => AddColumn(SelectedAvailableColumn)
);
RemoveColumnCommand = new DelegateCommand(
o => SelectedSelectedColumn != null,
o => RemoveColumn(SelectedSelectedColumn)
);
ResetDefaultsCommand = new DelegateCommand(
o => true,
o => ResetDefaults()
);
SetColumns(columns);
}
/// <summary>
/// Move column down in order
/// </summary>
/// <param name="column"></param>
private void DownColumn(GuiGridColumn column)
{
int idx = SelectedColumns.IndexOf(column);
SelectedColumns.Move(idx, idx + 1);
}
