internal ColumnHeaderVisualStyle GetHeaderStyle(StyleType e)
{
ValidateStyle();
if (EffectiveStyles == null)
EffectiveStyles = new ColumnHeaderVisualStyles();
if (EffectiveStyles.IsValid(e) == false)
{
ColumnHeaderVisualStyle style = new ColumnHeaderVisualStyle();
StyleType[] css = style.GetApplyStyleTypes(e);
if (css != null)
{
foreach (StyleType cs in css)
{
style.ApplyStyle(SuperGrid.BaseVisualStyles.ColumnHeaderStyles[cs]);
style.ApplyStyle(SuperGrid.DefaultVisualStyles.ColumnHeaderStyles[cs]);
style.ApplyStyle(GridPanel.DefaultVisualStyles.ColumnHeaderStyles[cs]);
style.ApplyStyle(HeaderStyles[cs]);
}
}
SuperGrid.DoGetColumnHeaderStyleEvent(this, e, ref style);
if (style.Background == null || style.Background.IsEmpty == true)
style.Background = new Background(Color.White);
if (style.Font == null)
style.Font = SystemFonts.DefaultFont;
EffectiveStyles[e] = style;
}
return (EffectiveStyles[e]);
}
///<summary>
/// GridGetColumnHeaderStyleEventArgs
///</summary>
///<param name="gridPanel"></param>
///<param name="gridColumn"></param>
///<param name="styleType"></param>
///<param name="style"></param>
public GridGetColumnHeaderStyleEventArgs(
GridPanel gridPanel, GridColumn gridColumn, StyleType styleType, ColumnHeaderVisualStyle style)
: base(gridPanel, gridColumn)
{
_StyleType = styleType;
_Style = style;
}
/// <summary>
/// Handles invocation of GetColumnHeader events
/// </summary>
internal void DoGetColumnHeaderStyleEvent(
GridColumn gridColumn, StyleType eStyle, ref ColumnHeaderVisualStyle style)
{
if (GetColumnHeaderStyle != null)
{
GridGetColumnHeaderStyleEventArgs ev = new
GridGetColumnHeaderStyleEventArgs(gridColumn.GridPanel, gridColumn, eStyle, style);
GetColumnHeaderStyle(this, ev);
style = ev.Style;
}
}
private void InitColumnStyles(DefaultVisualStyles visualStyle, ColorFactory factory)
{
ColumnHeaderVisualStyle colStyle = new ColumnHeaderVisualStyle();
colStyle.Alignment = Alignment.MiddleCenter;
colStyle.BorderColor = new BorderColor(factory.GetColor(0xA0B0C7));
colStyle.BorderPattern.All = LinePattern.Solid;
colStyle.BorderThickness.All = 0;
colStyle.Font = SystemFonts.CaptionFont;
colStyle.ImageAlignment = Alignment.MiddleLeft;
colStyle.Margin.All = 0;
colStyle.ImageOverlay = ImageOverlay.None;
colStyle.TextColor = Color.Black;
colStyle.Background = new Background(factory.GetColor(0xEFF4FB), factory.GetColor(0xE1ECFA));
visualStyle.ColumnHeaderStyles[StyleType.Default] = colStyle;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = new Background(factory.GetColor(0xFFDF6B), factory.GetColor(0xFFFCE6));
visualStyle.ColumnHeaderStyles[StyleType.MouseOver] = colStyle;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = GetDefaultSelectedColumnBackground(factory);
visualStyle.ColumnHeaderStyles[StyleType.Selected] = colStyle;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = GetSelectedColumnMouseOverBackground(factory);
visualStyle.ColumnHeaderStyles[StyleType.SelectedMouseOver] = colStyle;
}
private void InitColumnStyles(DefaultVisualStyles visualStyle, ColorFactory factory)
{
ColumnHeaderVisualStyle colStyle = new ColumnHeaderVisualStyle();
colStyle.Alignment = Alignment.MiddleCenter;
colStyle.Font = SystemFonts.CaptionFont;
colStyle.ImageAlignment = Alignment.MiddleLeft;
colStyle.Margin.All = 0;
colStyle.ImageOverlay = ImageOverlay.None;
colStyle.TextColor = factory.GetColor(0xE2E2E2);
colStyle.Background = new Background(factory.GetColor(0x6A6A6A));
visualStyle.ColumnHeaderStyles[StyleType.Default] = colStyle;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = new Background(factory.GetColor(0xFFDF6B), factory.GetColor(0xFFFCE6));
colStyle.TextColor = factory.GetColor(0x444444);
visualStyle.ColumnHeaderStyles[StyleType.MouseOver] = colStyle;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = GetDefaultSelectedColumnBackground(factory);
colStyle.TextColor = factory.GetColor(0x444444);
visualStyle.ColumnHeaderStyles[StyleType.Selected] = colStyle;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = GetSelectedColumnMouseOverBackground(factory);
colStyle.TextColor = factory.GetColor(0x444444);
visualStyle.ColumnHeaderStyles[StyleType.SelectedMouseOver] = colStyle;
}
private int GetPartSizeNeeded(Image image,
ColumnHeaderVisualStyle style, Alignment alignment, ref Size sizeNeeded)
{
int height = 0;
if (image != null)
{
if (alignment != Alignment.TopCenter &&
alignment != Alignment.MiddleCenter &&
alignment != Alignment.BottomCenter)
{
sizeNeeded.Width += (image.Width + 4);
}
if (alignment == Alignment.MiddleLeft ||
alignment == Alignment.MiddleCenter ||
alignment == Alignment.MiddleRight ||
VAlignment(alignment) == VAlignment(style.Alignment))
{
sizeNeeded.Height = Math.Max(sizeNeeded.Height, image.Height);
}
else
{
height = (image.Height + 2);
}
}
return (height);
}
private void InitColumnStyles(DefaultVisualStyles visualStyle, ColorFactory factory)
{
ColumnHeaderVisualStyle colStyle = new ColumnHeaderVisualStyle();
MetroPartColors metroColors = _MetroPartColors;
colStyle.Alignment = Alignment.MiddleCenter;
colStyle.BorderColor = new BorderColor(factory.GetColor(metroColors.CanvasColorLightShade));
colStyle.BorderPattern.All = LinePattern.Solid;
colStyle.BorderThickness.All = 0;
colStyle.Font = SystemFonts.CaptionFont;
colStyle.ImageAlignment = Alignment.MiddleLeft;
colStyle.Margin.All = 0;
colStyle.ImageOverlay = ImageOverlay.None;
colStyle.TextColor = factory.GetColor(metroColors.TextColor);
colStyle.Background = new Background(factory.GetColor(metroColors.CanvasColorLighterShade));
visualStyle.ColumnHeaderStyles[StyleType.Default] = colStyle;
visualStyle.ColumnHeaderStyles[StyleType.ReadOnly] = colStyle.Copy();
visualStyle.ColumnHeaderStyles[StyleType.ReadOnly].Font = null;
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = new Background(factory.GetColor(metroColors.CanvasColorLightShade));
visualStyle.ColumnHeaderStyles[StyleType.MouseOver] = colStyle;
visualStyle.ColumnHeaderStyles[StyleType.ReadOnlyMouseOver] = colStyle.Copy();
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = GetDefaultSelectedColumnBackground(factory);
visualStyle.ColumnHeaderStyles[StyleType.Selected] = colStyle;
visualStyle.ColumnHeaderStyles[StyleType.ReadOnlySelected] = colStyle.Copy();
colStyle = new ColumnHeaderVisualStyle();
colStyle.Background = GetSelectedColumnMouseOverBackground();
visualStyle.ColumnHeaderStyles[StyleType.SelectedMouseOver] = colStyle;
visualStyle.ColumnHeaderStyles[StyleType.ReadOnlySelectedMouseOver] = colStyle.Copy();
}
private Rectangle UpdateContentRect(Rectangle r,
Rectangle t, Alignment alignment, ColumnHeaderVisualStyle style, GridColumn column)
{
switch (GetStringAlignment(alignment))
{
case StringAlignment.Near:
int n1 = r.Right - t.Left;
switch (GetStringAlignment(style.Alignment))
{
case StringAlignment.Center:
if (n1 + 3 > (t.Width - column.HeaderTextSize.Width) / 2)
{
t.X = r.Right;
t.Width -= n1;
}
break;
default:
t.X = r.Right;
t.Width -= n1;
break;
}
break;
case StringAlignment.Far:
int n2 = t.Right - r.Left;
switch (GetStringAlignment(style.Alignment))
{
case StringAlignment.Center:
if (n2 + 3 > (t.Width - column.HeaderTextSize.Width) / 2)
t.Width -= n2;
break;
default:
t.Width -= n2;
break;
}
break;
}
return (t);
}
private void RenderHeaderImage(Graphics g, GridPanel panel,
ColumnHeaderVisualStyle style, Rectangle bounds, Rectangle r)
{
if (_ShowHeaderImages == true)
{
Image image = style.GetImage(panel);
if (image != null)
{
Rectangle t = style.GetImageBounds(image, r);
bounds.Inflate(-1, -1);
t.Intersect(bounds);
if (t.Width > 0 && t.Height > 0)
g.DrawImageUnscaledAndClipped(image, t);
}
}
}
private Rectangle RenderSortAndFilterImage(
Graphics g, GridColumn column, ColumnHeaderVisualStyle style, Rectangle t)
{
GridPanel panel = column.Parent as GridPanel;
if (panel != null)
{
Alignment falign = (_FilterImageAlignment == Alignment.NotSet)
? Alignment.MiddleLeft : _FilterImageAlignment;
Alignment salign = (_SortImageAlignment == Alignment.NotSet)
? Alignment.TopCenter : _SortImageAlignment;
Rectangle rf = GetFilterImageBounds(panel, column);
if (rf.IsEmpty == false)
{
Image filterImage = GetColumnFilterImage(column);
if (filterImage != null)
g.DrawImageUnscaledAndClipped(filterImage, rf);
}
Rectangle rs = GetSortImageBounds(panel, column, salign, falign, rf);
if (rs.IsEmpty == false)
{
Image sortImage = GetColumnSortImage(panel, column);
if (sortImage != null)
g.DrawImageUnscaledAndClipped(sortImage, rs);
}
if (rf.IsEmpty == false)
t = UpdateContentRect(rf, t, falign, style, column);
if (rs.IsEmpty == false)
t = UpdateContentRect(rs, t, salign, style, column);
}
t.X += 2;
t.Width -= 4;
return (t);
}
private Rectangle GetBorderRect(
ColumnHeaderVisualStyle style, Rectangle r)
{
r.X += style.Margin.Left;
r.Width -= style.Margin.Horizontal;
r.Y += style.Margin.Top;
r.Height -= style.Margin.Vertical;
return (r);
}
private void RenderRoundedBox(Graphics g, GroupByVisualStyle style,
ColumnHeaderVisualStyle cstyle, GridPanelVisualStyle pstyle,
GridGroupBox leftBox, GridGroupBox box, int radius)
{
Rectangle r = box.Bounds;
using (GraphicsPath path = GetRoundedPath(r, radius))
{
SmoothingMode sm = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.AntiAlias;
if (_UseColumnHeaderColors == true)
{
using (Brush br = cstyle.Background.GetBrush(r))
g.FillPath(br, path);
using (Pen pen = new Pen(pstyle.HeaderLineColor))
g.DrawPath(pen, path);
}
else
{
using (Brush br = style.GroupBoxBackground.GetBrush(r))
g.FillPath(br, path);
using (Pen pen = new Pen(style.GroupBoxBorderColor))
g.DrawPath(pen, path);
}
if (leftBox != null)
{
Region oldClip = g.Clip;
Region newClip = new Region(Bounds);
newClip.Exclude(path);
g.SetClip(newClip, CombineMode.Intersect);
try
{
if (SuperGrid.DoPreRenderGroupBoxConnectorEvent(g, this, leftBox, box) == false)
{
RenderBoxConnector(g, style, leftBox.Bounds, box.Bounds, true);
SuperGrid.DoPostRenderGroupBoxConnectorEvent(g, this, leftBox, box);
}
}
finally
{
g.Clip = oldClip;
}
}
g.SmoothingMode = sm;
}
}
private void RenderText(Graphics g, GridColumn column,
GroupByVisualStyle style, ColumnHeaderVisualStyle cstyle, Rectangle bounds)
{
string s = column.GetHeaderText();
if (s != null)
{
if (column.HeaderTextMarkup != null)
{
RenderTextMarkup(g, column.HeaderTextMarkup, cstyle, bounds);
}
else
{
if (_UseColumnHeaderColors == true)
{
eTextFormat tf = cstyle.GetTextFormatFlags();
TextDrawing.DrawString(g, s,
cstyle.Font, cstyle.TextColor, bounds, tf);
}
else
{
eTextFormat tf = style.GetTextFormatFlags();
TextDrawing.DrawString(g, s,
cstyle.Font, style.GroupBoxTextColor, bounds, tf);
}
}
}
}
private void RenderRectBox(Graphics g, GroupByVisualStyle style,
ColumnHeaderVisualStyle cstyle, GridPanelVisualStyle pstyle,
GridGroupBox leftBox, GridGroupBox box)
{
Rectangle r = box.Bounds;
if (_UseColumnHeaderColors == true)
{
using (Brush br = cstyle.Background.GetBrush(r))
g.FillRectangle(br, r);
using (Pen pen = new Pen(pstyle.HeaderLineColor))
g.DrawRectangle(pen, r);
}
else
{
using (Brush br = style.GroupBoxBackground.GetBrush(r))
g.FillRectangle(br, r);
using (Pen pen = new Pen(style.GroupBoxBorderColor))
g.DrawRectangle(pen, r);
}
if (leftBox != null)
{
if (SuperGrid.DoPreRenderGroupBoxConnectorEvent(g, this, leftBox, box) == false)
{
RenderBoxConnector(g, style, leftBox.Bounds, r, false);
SuperGrid.DoPostRenderGroupBoxConnectorEvent(g, this, leftBox, box);
}
}
}