internal Rows(DataGridPanel panel, int defaultSize) : base(panel, defaultSize)
{
}
public virtual Thickness GetCellPadding(DataGrid grid, DataGridPanel panel, CellRange rng)
{
var p = _padding;
return p;
}
void CreateCellContent(DataGrid grid, DataGridPanel panel, Border bdr, CellRange rng)
{
// get row and column
var r = panel.Rows[rng.Row];
var c = panel.Columns[rng.Column];
//var gr = r as GroupRow;
// honor user templates (if the row has a backing data item)
if (r.DataItem != null && c.CellTemplate != null && panel.CellType == CellType.Cell)
{
bdr.Padding = GetTemplatePadding(bdr.Padding);
bdr.Child = GetTemplatedCell(grid, c.CellTemplate);
return;
}
// get binding, unbound value for the cell
var b = r.DataItem != null ? c.Binding : null;
var ubVal = r.DataItem != null ? null : panel[rng.Row, rng.Column];
// get foreground brush taking selected state into account
var fore = GetForegroundBrush(grid, r, rng, grid.Foreground);
// handle non-text types
var type = c.DataType;
TextBlock tb = null;
CheckBox chk = null;
if (// not a group, or hierarchical
panel.CellType == CellType.Cell &&
(type == typeof(bool) || type == typeof(bool?))) // and bool
{
// Boolean cells: use CheckBox
chk = new CheckBox();
chk.IsThreeState = type == typeof(bool?);
chk.HorizontalAlignment = HorizontalAlignment.Center;
chk.VerticalAlignment = VerticalAlignment.Center;
chk.MinWidth = 32;
chk.HorizontalAlignment = HorizontalAlignment.Stretch;
chk.VerticalAlignment = VerticalAlignment.Stretch;
chk.Margin = new Thickness(0, -10, 0, -10);
chk.IsHitTestVisible = false;
chk.IsTabStop = false;
if (fore != null)
{
chk.Foreground = fore;
}
bdr.Child = chk;
if (b != null)
{
chk.SetBinding(CheckBox.IsCheckedProperty, b);
}
else
{
var value = ubVal as bool?;
chk.IsChecked = value;
}
}
else
{
// use TextBlock for everything else (even empty cells)
tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
if (fore != null)
{
tb.Foreground = fore;
}
bdr.Child = tb;
// bound values
if (b != null)
{
// apply binding
tb.SetBinding(TextBlock.TextProperty, b);
}
else if (ubVal != null) // unbound values
{
// get column format from column and/or binding
tb.Text = r.GetDataFormatted(c);
}
}
}
internal void DisposeCell(DataGridPanel panel, FrameworkElement cell)
{
var cf = GetCellFactory();
cf.DisposeCell(this, panel.CellType, cell);
}
internal FrameworkElement CreateCell(DataGridPanel panel, CellRange rng)
{
var cf = GetCellFactory();
return cf.CreateCell(this, panel.CellType, rng);
}
private void InitializePanel()
{
_cellPanel = new DataGridPanel(this, CellType.Cell, Consts.ROWHEIGHT, Consts.COLUMNWIDTH);
_columnHeaderPanel = new DataGridPanel(this, CellType.ColumnHeader, Consts.ROWHEIGHT, Consts.COLUMNWIDTH);
_columnHeaderPanel.Columns = _cellPanel.Columns;
_columnHeaderPanel.Rows.Add(new Row());
_columnHeaderPanel.Tapped += _columnHeaderPanel_Tapped;
_cellPanel.LayoutUpdated += _cellPanel_LayoutUpdated;
_cellPanel.Tapped += _cellPanel_Tapped;
#region frozen
_canvas = new Canvas();
_lnFX = new Line();
_lnFX.Visibility = Visibility.Collapsed;
_lnFX.StrokeThickness = 1;
_canvas.Children.Add(_lnFX);
_lnFY = new Line();
_lnFY.Visibility = Visibility.Collapsed;
_lnFY.StrokeThickness = 1;
_canvas.Children.Add(_lnFY);
#endregion
#region More Columns
#endregion
}
internal RowCols(DataGridPanel panel, int defaultSize)
{
_panel = panel;
_defSize = defaultSize;
}
internal Columns(DataGridPanel panel, int defaultSize) : base(panel, defaultSize)
{
}
void CreateCellContent(DataGrid grid, DataGridPanel panel, Border bdr, CellRange rng)
{
// get row and column
var r = panel.Rows[rng.Row];
var c = panel.Columns[rng.Column];
//var gr = r as GroupRow;
// honor user templates (if the row has a backing data item)
if (r.DataItem != null && c.CellTemplate != null && panel.CellType == CellType.Cell)
{
bdr.Padding = GetTemplatePadding(bdr.Padding);
bdr.Child = GetTemplatedCell(grid, c.CellTemplate);
return;
}
// get binding, unbound value for the cell
var b = r.DataItem != null ? c.Binding : null;
var ubVal = r.DataItem != null ? null : panel[rng.Row, rng.Column];
// get foreground brush taking selected state into account
var fore = GetForegroundBrush(grid, r, rng, grid.Foreground);
// handle non-text types
var type = c.DataType;
TextBlock tb = null;
CheckBox chk = null;
if ( // not a group, or hierarchical
panel.CellType == CellType.Cell &&
(type == typeof(bool) || type == typeof(bool?))) // and bool
{
// Boolean cells: use CheckBox
chk = new CheckBox();
chk.IsThreeState = type == typeof(bool?);
chk.HorizontalAlignment = HorizontalAlignment.Center;
chk.VerticalAlignment = VerticalAlignment.Center;
chk.MinWidth = 32;
chk.HorizontalAlignment = HorizontalAlignment.Stretch;
chk.VerticalAlignment = VerticalAlignment.Stretch;
chk.Margin = new Thickness(0, -10, 0, -10);
chk.IsHitTestVisible = false;
chk.IsTabStop = false;
if (fore != null)
{
chk.Foreground = fore;
}
bdr.Child = chk;
if (b != null)
{
chk.SetBinding(CheckBox.IsCheckedProperty, b);
}
else
{
var value = ubVal as bool?;
chk.IsChecked = value;
}
}
else
{
// use TextBlock for everything else (even empty cells)
tb = new TextBlock();
tb.VerticalAlignment = VerticalAlignment.Center;
if (fore != null)
{
tb.Foreground = fore;
}
bdr.Child = tb;
// bound values
if (b != null)
{
// apply binding
tb.SetBinding(TextBlock.TextProperty, b);
}
else if (ubVal != null) // unbound values
{
// get column format from column and/or binding
tb.Text = r.GetDataFormatted(c);
}
}
}
public virtual Thickness GetCellPadding(DataGrid grid, DataGridPanel panel, CellRange rng)
{
var p = _padding;
return(p);
}
