public virtual void DrawCommandButton(NodeCommandPartRendererEventArgs info)
{
bool mouseOver = (info.Node.MouseOverNodePart == eMouseOverNodePart.Command);
CommandColors c=new CommandColors();
if(mouseOver)
{
c.BackColor = info.MouseOverBackColor;
c.BackColor2 = info.MouseOverBackColor2;
c.BackColorGradientAngle = info.MouseOverBackColorGradientAngle;
c.ForeColor = info.MouseOverForeColor;
}
else
{
c.BackColor = info.BackColor;
c.BackColor2 = info.BackColor2;
c.BackColorGradientAngle = info.BackColorGradientAngle;
c.ForeColor = info.ForeColor;
}
Rectangle fillBounds = info.CommandPartBounds;
fillBounds.Width--;
fillBounds.Height--;
Region oldRegion = info.Graphics.Clip.Clone() as Region;
info.Graphics.SetClip(fillBounds,CombineMode.Intersect);
if(c.BackColor2.IsEmpty)
{
if(!c.BackColor.IsEmpty)
{
using(SolidBrush brush=new SolidBrush(c.BackColor))
info.Graphics.FillRectangle(brush,fillBounds);
}
}
else
{
using(LinearGradientBrush brush=DisplayHelp.CreateLinearGradientBrush(info.CommandPartBounds, c.BackColor, c.BackColor2, c.BackColorGradientAngle))
info.Graphics.FillRectangle(brush,fillBounds);
}
if(c.ForeColor.IsEmpty) return;
int width=6;
int height=3;
GraphicsPath path=new GraphicsPath();
Point p=new Point(info.CommandPartBounds.X+(info.CommandPartBounds.Width-width)/2,info.CommandPartBounds.Y+(info.CommandPartBounds.Height-height)/2);
path.AddLine(p.X, p.Y, p.X+width,p.Y);
path.AddLine(p.X+width,p.Y,p.X+width/2,p.Y+height);
path.AddLine(p.X, p.Y,p.X+width/2,p.Y+height);
path.CloseAllFigures();
using(SolidBrush brush=new SolidBrush(c.ForeColor))
info.Graphics.FillPath(brush,path);
path.Dispose();
info.Graphics.Clip = oldRegion;
}
/// <summary>
/// Raises RenderNodeCommandPart event.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnRenderNodeCommandPart(NodeCommandPartRendererEventArgs e)
{
if(RenderNodeCommandPart!=null)
RenderNodeCommandPart(this,e);
}
/// <summary>
/// Draws node command part. 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 OnRenderNodeCommandPart method so events can occur.
/// </summary>
/// <param name="e">Information provided for rendering.</param>
public override void DrawNodeCommandPart(NodeCommandPartRendererEventArgs e)
{
m_NodeCommandDisplay.DrawCommandButton(e);
base.DrawNodeCommandPart(e);
}
/// <summary>
/// Draws node command part. 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 OnRenderNodeCommandPart method so events can occur.
/// </summary>
/// <param name="e">Information provided for rendering.</param>
public virtual void DrawNodeCommandPart(NodeCommandPartRendererEventArgs e)
{
OnRenderNodeCommandPart(e);
}
