protected void PaintHeader(Graphics g)
{
if (this.headerHeight == 0)
{
return;
}
Rectangle buttonRect = this.ButtonRectangle;
CheckBoxState activeState = CheckBoxState.UncheckedDisabled;
ExpandBoxState expandState = ExpandBoxState.ExpandDisabled;
bool parentExpand = this.ParentUseIndentChildExpand;
if (!parentExpand && (this.Hints & HintFlags.HasExpandCheck) != HintFlags.None)
{
if (this.Enabled && this.CanExpand && (this.Hints & HintFlags.ExpandEnabled) != HintFlags.None)
{
if (!this.Expanded)
{
if (this.expandCheckPressed)
{
expandState = ExpandBoxState.ExpandPressed;
}
else if (this.expandCheckHovered)
{
expandState = ExpandBoxState.ExpandHot;
}
else
{
expandState = ExpandBoxState.ExpandNormal;
}
}
else
{
if (this.expandCheckPressed)
{
expandState = ExpandBoxState.CollapsePressed;
}
else if (this.expandCheckHovered)
{
expandState = ExpandBoxState.CollapseHot;
}
else
{
expandState = ExpandBoxState.CollapseNormal;
}
}
}
else
{
if (this.Expanded)
{
expandState = ExpandBoxState.ExpandDisabled;
}
else
{
expandState = ExpandBoxState.CollapseDisabled;
}
}
}
if ((this.Hints & HintFlags.HasActiveCheck) != HintFlags.None)
{
if (this.Enabled && !this.ReadOnly && (this.Hints & HintFlags.ActiveEnabled) != HintFlags.None)
{
if (this.Active)
{
if (this.activeCheckPressed)
{
activeState = CheckBoxState.CheckedPressed;
}
else if (this.activeCheckHovered)
{
activeState = CheckBoxState.CheckedHot;
}
else
{
activeState = CheckBoxState.CheckedNormal;
}
}
else
{
if (this.activeCheckPressed)
{
activeState = CheckBoxState.UncheckedPressed;
}
else if (this.activeCheckHovered)
{
activeState = CheckBoxState.UncheckedHot;
}
else
{
activeState = CheckBoxState.UncheckedNormal;
}
}
}
else
{
if (this.Active)
{
activeState = CheckBoxState.CheckedDisabled;
}
else
{
activeState = CheckBoxState.UncheckedDisabled;
}
}
}
Rectangle iconRect;
if (this.headerIcon != null)
{
iconRect = new Rectangle(
this.activeCheckRect.Right + 2,
this.headerRect.Y + this.headerRect.Height / 2 - this.headerIcon.Height / 2,
this.headerIcon.Width,
this.headerIcon.Height);
}
else
{
iconRect = new Rectangle(this.activeCheckRect.Right, this.headerRect.Y, 0, 0);
}
Rectangle textRect = new Rectangle(
iconRect.Right,
this.headerRect.Y,
this.headerRect.Width - buttonRect.Width - iconRect.Width - this.expandCheckRect.Width - this.activeCheckRect.Width - 2,
this.headerRect.Height);
Rectangle nameTextRect;
Rectangle valueTextRect;
if (!string.IsNullOrEmpty(this.PropertyName) && !string.IsNullOrEmpty(this.headerValueText))
{
int nameWidth;
nameWidth = this.NameLabelWidth - (textRect.X - this.headerRect.X);
nameTextRect = new Rectangle(textRect.X, textRect.Y, nameWidth, textRect.Height);
valueTextRect = new Rectangle(textRect.X + nameWidth, textRect.Y, textRect.Width - nameWidth, textRect.Height);
}
else if (!string.IsNullOrEmpty(this.headerValueText))
{
nameTextRect = new Rectangle(textRect.X, textRect.Y, 0, 0);
valueTextRect = textRect;
}
else
{
nameTextRect = textRect;
valueTextRect = new Rectangle(textRect.X, textRect.Y, 0, 0);
}
bool focusBg = this.Focused || (this is IPopupControlHost && (this as IPopupControlHost).IsDropDownOpened);
bool adaptBgColor = this.headerStyle == GroupHeaderStyle.Flat || this.headerStyle == GroupHeaderStyle.Simple;
Color headerBgColor = this.ControlRenderer.GetBackgroundColor(this.headerColor.Value, focusBg && adaptBgColor, this.Location.X);
GroupedPropertyEditor.DrawGroupHeaderBackground(g, this.headerRect, headerBgColor, this.headerStyle);
if (focusBg && !adaptBgColor)
{
this.ControlRenderer.DrawBorder(g, this.headerRect, Drawing.BorderStyle.Simple, BorderState.Normal);
}
if (!parentExpand && (this.Hints & HintFlags.HasExpandCheck) != HintFlags.None)
{
this.ControlRenderer.DrawExpandBox(g, this.expandCheckRect.Location, expandState);
}
if ((this.Hints & HintFlags.HasActiveCheck) != HintFlags.None)
{
this.ControlRenderer.DrawCheckBox(g, this.activeCheckRect.Location, activeState);
}
if (this.headerIcon != null)
{
g.DrawImage(this.Enabled ? this.headerIcon.Normal : this.headerIcon.Disabled, iconRect);
}
this.ControlRenderer.DrawStringLine(g,
this.PropertyName,
this.ValueModified ? this.ControlRenderer.FontBold : this.ControlRenderer.FontRegular,
nameTextRect,
this.Enabled && !this.NonPublic ? this.ControlRenderer.ColorText : this.ControlRenderer.ColorGrayText);
this.ControlRenderer.DrawStringLine(g,
this.headerValueText,
this.ValueModified ? this.ControlRenderer.FontBold : this.ControlRenderer.FontRegular,
valueTextRect,
this.Enabled ? this.ControlRenderer.ColorText : this.ControlRenderer.ColorGrayText);
}
private void InitExpandBox(ExpandBoxState state)
{
if (expandBoxImages != null && expandBoxImages.ContainsKey(state)) return;
if (expandBoxImages == null) expandBoxImages = new Dictionary<ExpandBoxState,Bitmap>();
Bitmap image = new Bitmap(CheckBoxSize.Width, CheckBoxSize.Height);
using (Graphics checkBoxGraphics = Graphics.FromImage(image))
{
Color plusSignColor;
Pen expandLineShadowPen;
Pen expandLinePen;
if (state == ExpandBoxState.ExpandNormal || state == ExpandBoxState.CollapseNormal)
{
plusSignColor = Color.FromArgb(24, 32, 82);
expandLinePen = new Pen(Color.FromArgb(255, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(64, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
}
else if (state == ExpandBoxState.ExpandHot || state == ExpandBoxState.CollapseHot)
{
plusSignColor = Color.FromArgb(32, 48, 123);
expandLinePen = new Pen(Color.FromArgb(255, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(64, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedHot);
}
else if (state == ExpandBoxState.ExpandPressed || state == ExpandBoxState.CollapsePressed)
{
plusSignColor = Color.FromArgb(48, 64, 164);
expandLinePen = new Pen(Color.FromArgb(255, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(96, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedPressed);
}
else
{
plusSignColor = Color.FromArgb(24, 28, 41);
expandLinePen = new Pen(Color.FromArgb(128, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(32, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedDisabled);
}
// Plus Shadow
checkBoxGraphics.DrawLine(expandLineShadowPen,
3,
image.Height / 2 + 1,
image.Width - 4,
image.Height / 2 + 1);
checkBoxGraphics.DrawLine(expandLineShadowPen,
3,
image.Height / 2 - 1,
image.Width - 4,
image.Height / 2 - 1);
if (state == ExpandBoxState.ExpandDisabled ||
state == ExpandBoxState.ExpandHot ||
state == ExpandBoxState.ExpandNormal ||
state == ExpandBoxState.ExpandPressed)
{
checkBoxGraphics.DrawLine(expandLineShadowPen,
image.Width / 2 + 1,
3,
image.Width / 2 + 1,
image.Height - 4);
checkBoxGraphics.DrawLine(expandLineShadowPen,
image.Width / 2 - 1,
3,
image.Width / 2 - 1,
image.Height - 4);
}
// Plus
checkBoxGraphics.DrawLine(expandLinePen,
3,
image.Height / 2,
image.Width - 4,
image.Height / 2);
if (state == ExpandBoxState.ExpandDisabled ||
state == ExpandBoxState.ExpandHot ||
state == ExpandBoxState.ExpandNormal ||
state == ExpandBoxState.ExpandPressed)
{
checkBoxGraphics.DrawLine(expandLinePen,
image.Width / 2,
3,
image.Width / 2,
image.Height - 4);
}
}
expandBoxImages[state] = image;
}
private void InitExpandBox(ExpandBoxState state)
{
if (expandBoxImages != null && expandBoxImages.ContainsKey(state))
{
return;
}
if (expandBoxImages == null)
{
expandBoxImages = new Dictionary <ExpandBoxState, Bitmap>();
}
Bitmap image = new Bitmap(CheckBoxSize.Width, CheckBoxSize.Height);
using (Graphics checkBoxGraphics = Graphics.FromImage(image))
{
Color plusSignColor;
Pen expandLineShadowPen;
Pen expandLinePen;
if (state == ExpandBoxState.ExpandNormal || state == ExpandBoxState.CollapseNormal)
{
plusSignColor = Color.FromArgb(24, 32, 82);
expandLinePen = new Pen(Color.FromArgb(255, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(64, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
}
else if (state == ExpandBoxState.ExpandHot || state == ExpandBoxState.CollapseHot)
{
plusSignColor = Color.FromArgb(32, 48, 123);
expandLinePen = new Pen(Color.FromArgb(255, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(64, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedHot);
}
else if (state == ExpandBoxState.ExpandPressed || state == ExpandBoxState.CollapsePressed)
{
plusSignColor = Color.FromArgb(48, 64, 164);
expandLinePen = new Pen(Color.FromArgb(255, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(96, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedPressed);
}
else
{
plusSignColor = Color.FromArgb(24, 28, 41);
expandLinePen = new Pen(Color.FromArgb(128, plusSignColor));
expandLineShadowPen = new Pen(Color.FromArgb(32, plusSignColor));
CheckBoxRenderer.DrawCheckBox(checkBoxGraphics, Point.Empty, System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedDisabled);
}
// Plus Shadow
checkBoxGraphics.DrawLine(expandLineShadowPen,
3,
image.Height / 2 + 1,
image.Width - 4,
image.Height / 2 + 1);
checkBoxGraphics.DrawLine(expandLineShadowPen,
3,
image.Height / 2 - 1,
image.Width - 4,
image.Height / 2 - 1);
if (state == ExpandBoxState.ExpandDisabled ||
state == ExpandBoxState.ExpandHot ||
state == ExpandBoxState.ExpandNormal ||
state == ExpandBoxState.ExpandPressed)
{
checkBoxGraphics.DrawLine(expandLineShadowPen,
image.Width / 2 + 1,
3,
image.Width / 2 + 1,
image.Height - 4);
checkBoxGraphics.DrawLine(expandLineShadowPen,
image.Width / 2 - 1,
3,
image.Width / 2 - 1,
image.Height - 4);
}
// Plus
checkBoxGraphics.DrawLine(expandLinePen,
3,
image.Height / 2,
image.Width - 4,
image.Height / 2);
if (state == ExpandBoxState.ExpandDisabled ||
state == ExpandBoxState.ExpandHot ||
state == ExpandBoxState.ExpandNormal ||
state == ExpandBoxState.ExpandPressed)
{
checkBoxGraphics.DrawLine(expandLinePen,
image.Width / 2,
3,
image.Width / 2,
image.Height - 4);
}
}
expandBoxImages[state] = image;
}
public void DrawExpandBox(Graphics g, Point loc, ExpandBoxState state)
{
InitExpandBox(state);
g.DrawImageUnscaled(expandBoxImages[state], loc);
}
public void DrawExpandBox(Graphics g, Point loc, ExpandBoxState state)
{
InitExpandBox(state);
g.DrawImageUnscaled(expandBoxImages[state], loc);
}
