public void PaintSelection(SelectionRendererEventArgs info)
{
Rectangle inside=info.Bounds;
inside.Inflate(1,1);
inside.Width--;
inside.Height--;
Rectangle outside=info.Bounds;
outside.Inflate(info.Width,info.Width);
outside.Width--;
outside.Height--;
if(!info.BorderColor.IsEmpty)
{
using(Pen pen=new Pen(info.BorderColor,1))
{
info.Graphics.DrawRectangle(pen,inside);
info.Graphics.DrawRectangle(pen,outside);
}
}
if(!info.FillColor.IsEmpty)
{
using(SolidBrush brush=new SolidBrush(info.FillColor))
{
Region region=new Region(outside);
region.Exclude(inside);
info.Graphics.FillRegion(brush,region);
}
}
}
public void PaintSelection(SelectionRendererEventArgs info)
{
if (info.SelectionBoxStyle == eSelectionStyle.HighlightCells)
PaintHighlightCellsSelectionStyle(info);
else if (info.SelectionBoxStyle == eSelectionStyle.FullRowSelect)
PaintFullRowSelectSelectionStyle(info);
else if (info.SelectionBoxStyle == eSelectionStyle.NodeMarker)
PaintNodeMarkerSelectionStyle(info);
}
private void PaintHighlightCellsSelectionStyle(SelectionRendererEventArgs info)
{
// Full row is just a rectangle with the background...
Shape[] fullRowShapes = GetHighlightCellsShapes(info.TreeActive);
Graphics g = info.Graphics;
Rectangle bounds = info.Bounds;
bounds.Width--;
bounds.Height--;
foreach (Shape shape in fullRowShapes)
{
shape.Paint(g, bounds);
}
}
public void PaintHotTracking(SelectionRendererEventArgs info)
{
// Full row is just a rectangle with the background...
Shape[] fullRowShapes = GetHotTrackingShapes();
Graphics g = info.Graphics;
Rectangle bounds = info.Bounds;
bounds.Width--;
bounds.Height--;
foreach (Shape shape in fullRowShapes)
{
shape.Paint(g, bounds);
}
}
/// <summary>
/// Raises RenderHotTracking event.
/// </summary>
/// <param name="e">Event data.</param>
protected virtual void OnRenderHotTracking(SelectionRendererEventArgs e)
{
if (RenderHotTracking != null)
RenderHotTracking(this, e);
}
/// <summary>
/// Draws hot-tracking marker for mouse over node. If you need to provide custom rendering this is the method that you should override in your custom rendered. If you
/// do not want default rendering to occur do not call the base implementation. You can call OnRenderHotTracking method so events can occur.
/// </summary>
/// <param name="e">Information provided for rendering.</param>
public virtual void DrawHotTracking(SelectionRendererEventArgs e)
{
OnRenderHotTracking(e);
}
/// <summary>
/// Raises RenderSelection event.
/// </summary>
/// <param name="e">Event data.</param>
protected virtual void OnRenderSelection(SelectionRendererEventArgs e)
{
if(RenderSelection!=null)
RenderSelection(this, e);
}
/// <summary>
/// Draws selection for SelectedNode. If you need to provide custom rendering this is the method that you should override in your custom rendered. If you
/// do not want default rendering to occur do not call the base implementation. You can call OnRenderSelection method so events can occur.
/// </summary>
/// <param name="e">Information provided for rendering.</param>
public virtual void DrawSelection(SelectionRendererEventArgs e)
{
OnRenderSelection(e);
}
/// <summary>
/// Draws selection for SelectedNode. If you need to provide custom rendering this is the method that you should override in your custom rendered. If you
/// do not want default rendering to occur do not call the base implementation. You can call OnRenderSelection method so events can occur.
/// </summary>
/// <param name="e">Information provided for rendering.</param>
public override void DrawSelection(SelectionRendererEventArgs e)
{
m_SelectionDisplay.PaintSelection(e);
base.DrawSelection(e);
}
private void PaintNodeMarkerSelectionStyle(SelectionRendererEventArgs info)
{
Rectangle inside = info.Bounds;
int borderWidth = 4;
inside.Inflate(1, 1);
inside.Width--;
inside.Height--;
Rectangle outside = info.Bounds;
outside.Inflate(borderWidth, borderWidth);
outside.Width--;
outside.Height--;
SelectionColorTable colorTable = info.TreeActive ? _SelectionColors.NodeMarker : _SelectionColors.NodeMarkerInactive;
if (colorTable.Border != null)
{
Pen pen = colorTable.Border.CreatePen();
if (pen != null)
{
info.Graphics.DrawRectangle(pen, inside);
info.Graphics.DrawRectangle(pen, outside);
pen.Dispose();
}
}
if (colorTable.Fill != null)
{
Brush brush = colorTable.Fill.CreateBrush(outside);
if (brush != null)
{
Region region = new Region(outside);
region.Exclude(inside);
info.Graphics.FillRegion(brush, region);
brush.Dispose();
}
}
}
