internal override void DrawHeaderText(HeaderStrip control, PaintEventArgs e)
{
if (!string.IsNullOrEmpty(control.Text) && control.Tabs.Count == 0)
{
using (Font font = new Font(FontFamily.GenericSansSerif, HeaderFontSize, FontStyle.Bold))
using (Brush brush = new SolidBrush(Strings.ToColor(HeaderFontColor)))
{
SizeF textSize = e.Graphics.MeasureString(control.Text, font);
e.Graphics.DrawString(control.Text, font, brush, 12 * ScaleFactor.Width, 7 * ScaleFactor.Height);
}
}
}
internal override void DrawHeaderBackGround(HeaderStrip control, PaintEventArgs eventArgs)
{
Size controlSize = control.Size;
if (control.Tabs.Count > 0)
{
controlSize.Height -= HeaderSelectedTabStrip * ScaleFactor.Height;
}
Rectangle rect = new Rectangle(eventArgs.ClipRectangle.X, 0, eventArgs.ClipRectangle.Width, controlSize.Height);
Color start = Strings.ToColor(HeaderStartColor);
Color end = Strings.ToColor(HeaderEndColor);
GradientFill.Fill(eventArgs.Graphics, rect, start, end, GradientFill.FillDirection.TopToBottom);
eventArgs.Graphics.DrawLine(new Pen(Strings.ToColor(BorderLineColor)), rect.X, rect.Height - 1, rect.Width, rect.Height - 1);
}
internal abstract void DrawTabs(HeaderStrip control, PaintEventArgs e);
internal abstract void DrawHeaderBackGround(HeaderStrip control, PaintEventArgs eventArgs);
internal override void DrawTabs(HeaderStrip control, PaintEventArgs e)
{
if (control.Tabs.Count == 0)
{
return;
}
Size size = control.Size;
size.Height -= HeaderSelectedTabStrip * ScaleFactor.Height;
IList <HeaderTab> tabs = control.Tabs;
int bottomHeight = 15 * ScaleFactor.Height;
Point offset = new Point(2 * ScaleFactor.Width, 2 * ScaleFactor.Width);
int defaultWidth = 42 * ScaleFactor.Width;
Size corner = new Size(8 * ScaleFactor.Width, 8 * ScaleFactor.Height);
Pen penBorder = new Pen(Strings.ToColor(BorderLineColor));
try
{
HeaderTab selected = null;
foreach (HeaderTab tab in tabs)
{
tab.area = new Rectangle(offset.X + tab.TabIndex * defaultWidth, offset.Y, defaultWidth, size.Height - offset.Y + corner.Height);
if (tab.Selected)
{
selected = tab;
using (SolidBrush backColor = new SolidBrush(Color.Black))
RoundedRectangle.Fill(e.Graphics, penBorder, backColor, tab.area, corner);
}
if (tab.Image != null)
{
//draw icon
Rectangle destImg = new Rectangle(0, 0, tab.Image.Width, tab.Image.Height);
if (tab.Image.Size.Height > tab.area.Height || tab.Image.Size.Width > tab.area.Width)
{
int oX = 8 * ScaleFactor.Width;
int oY = 8 * ScaleFactor.Height;
int imageSize = tab.area.Height - ((tab.area.Y + oY) * 2);
destImg = new Rectangle(tab.area.X + oX, tab.area.Y + oY, imageSize, imageSize);
}
destImg = new Rectangle(tab.area.X + (tab.area.Width / 2) - (destImg.Width / 2), (tab.area.Height / 2) - (destImg.Height / 2), destImg.Width, destImg.Height);
using (AlphaImage image = new AlphaImage(tab.Image))
{
image.Draw(e.Graphics, destImg);
}
}
if (!tab.Selected && (tab.TabIndex == tabs.Count - 1 || !tabs[tab.TabIndex + 1].Selected))
{
Point sep = new Point(tab.area.Right, offset.Y);
DrawSeparator(e, sep, size.Height - (sep.Y * 2), Orientation.Vertical);
}
}
Font font = new Font(FontFamily.GenericSansSerif, HeaderSelectedTabStripFontSize, FontStyle.Regular);
SolidBrush brush = new SolidBrush(ControlBackColor);
SolidBrush fBrush = new SolidBrush(Strings.ToColor(HeaderSelectedTabStripFontColor));
Rectangle rect = new Rectangle(0, size.Height, control.Width, control.Height - size.Height);
e.Graphics.FillRectangle(brush, rect);
SizeF textSize = e.Graphics.MeasureString(selected.Text, font);
Rectangle stringRect = rect;
stringRect.X = Convert.ToInt32(selected.area.X + ((selected.area.Width / 2) - (textSize.Width / 2)));
if (stringRect.X < 0)
{
stringRect.X = 2 * ScaleFactor.Width;
}
e.Graphics.DrawString(selected.Text, font, fBrush, stringRect);
e.Graphics.DrawLine(new Pen(Strings.ToColor(HeaderSelectedTabStripBorderColor)), rect.Left, rect.Bottom - 1, rect.Right, rect.Bottom - 1);
brush.Dispose(); fBrush.Dispose(); font.Dispose();
}
finally
{
penBorder.Dispose();
}
}
internal TabsCollection(HeaderStrip control)
{
this.Control = control;
}