static void OnCellPaddingChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
CustomGrid grid = (dependencyObject as CustomGrid);
foreach (UIElement uiElement in grid.Children)
{
ApplyMargin(grid, uiElement);
}
}
public static void ApplyMargin(CustomGrid PaddingGrid, UIElement element)
{
FrameworkElement childElement = element as FrameworkElement;
Thickness cellPadding = PaddingGrid.CellPadding;
CustomGrid childPaddingGrid = element as CustomGrid;
if (childPaddingGrid != null)
{
// 자식 노드가 PaddingGrid인 경우에는,
// Margin 이 아닌 CellPadding을 설정한다.
childPaddingGrid.CellPadding = cellPadding;
}
else
{
if (childElement != null)
{
// 일반 자식 노드는 Margin을 설정
childElement.Margin = cellPadding;
}
}
}
/// <summary>
/// Border를 그리기 위한 OnRender 재정의
/// </summary>
/// <param name="dc"></param>
protected override void OnRender(System.Windows.Media.DrawingContext dc)
{
base.OnRender(dc);
CustomGrid customGrid = this.Parent as CustomGrid;
if (customGrid == null)
{
dc.DrawRectangle(null, line, new Rect(0, 0, this.ActualWidth, this.ActualHeight));
}
double linePoint = 0;
double posFrom = 0.0;
double posTo = 0.0;
int rowCount = Math.Max(this.RowDefinitions.Count, 1);
int columnCount = Math.Max(this.ColumnDefinitions.Count, 1);
bool[,] rowCellStatus;
bool[,] columnCellStatus;
GetRowLineCellStatus(rowCount, columnCount, out rowCellStatus, out columnCellStatus);
if (this.ColumnDefinitions.Count != 0)
{
for (int row = 0; row < rowCount - 1; row++)
{
var r = this.RowDefinitions[row];
linePoint += r.ActualHeight;
for (int column = 0; column < columnCount; column++)
{
bool drawLine = rowCellStatus[row + 1, column];
posTo += this.ColumnDefinitions[column].ActualWidth;
if (drawLine == true)
{
dc.DrawLine(line, new System.Windows.Point(posFrom, linePoint), new System.Windows.Point(posTo, linePoint));
}
posFrom = posTo;
}
posFrom = 0.0;
posTo = 0.0;
}
}
linePoint = 0;
posFrom = 0.0;
posTo = 0.0;
if (this.RowDefinitions.Count != 0)
{
for (int column = 0; column < columnCount - 1; column++)
{
var r = this.ColumnDefinitions[column];
linePoint += r.ActualWidth;
for (int row = 0; row < rowCount; row++)
{
bool drawLine = columnCellStatus[row, column + 1];
posTo += this.RowDefinitions[row].ActualHeight;
if (drawLine == true)
{
dc.DrawLine(line, new System.Windows.Point(linePoint, posFrom), new System.Windows.Point(linePoint, posTo));
}
posFrom = posTo;
}
posTo = 0.0;
posFrom = 0.0;
}
}
}