public ColHeaderCell(Col p_col, ColHeader p_owner)
{
DefaultStyleKey = typeof(ColHeaderCell);
Col = p_col;
_owner = p_owner;
Title = p_col.Title;
Loaded += OnLoaded;
}
void CreateColHeader()
{
// 只附加一次
_owner.Cols.Update += (s, e) => InvalidateMeasure();
_colHeader = new ColHeader(_owner);
// 左上角
_topLeftWidth = (_owner.SelectionMode == SelectionMode.Multiple) ? 81 : 40;
if (_owner.SelectionMode == SelectionMode.Multiple)
{
Grid grid = new Grid
{
Background = Res.浅灰背景,
BorderBrush = Res.浅灰边框,
BorderThickness = new Thickness(0, 0, 1, 1),
ColumnDefinitions =
{
new ColumnDefinition {
Width = new GridLength(0f, GridUnitType.Auto)
},
new ColumnDefinition {
Width = new GridLength(0f, GridUnitType.Auto)
},
},
};
Button btn = new Button
{
Style = Res.字符按钮,
Content = "\uE020",
};
ToolTipService.SetToolTip(btn, "全选");
btn.Click += (s, e) => _owner.SelectAll();
grid.Children.Add(btn);
btn = new Button
{
Style = Res.字符按钮,
Content = "\uE009",
};
ToolTipService.SetToolTip(btn, "清除所选");
btn.Click += (s, e) => _owner.ClearSelection();
Grid.SetColumn(btn, 1);
grid.Children.Add(btn);
_topLeft = grid;
}
else
{
_topLeft = new Border
{
Background = Res.浅灰背景,
BorderBrush = Res.浅灰边框,
BorderThickness = new Thickness(0, 0, 1, 1),
IsHitTestVisible = false,
};
}
}
protected override void ClearColHeader()
{
_colHeader = null;
_topLeft = null;
}