static internal Color GetSimpleColor(FilterColumnHeaderVisualStyle style)
{
Color color1;
Color color2;
if (style.Background.BackColorBlend != null &&
style.Background.BackColorBlend.IsEmpty == false)
{
IList<Color> colors = style.Background.BackColorBlend.Colors;
color1 = colors[0];
color2 = colors[colors.Count - 1];
}
else
{
color1 = style.Background.Color1;
color2 = style.Background.Color2;
}
if (color2.IsEmpty == true)
return (color1);
return (Color.FromArgb((color1.R + color2.R) / 2,
(color1.G + color2.G) / 2, (color1.B + color2.B) / 2));
}
/// <summary>
/// Handles invocation of GetFilterColumnHeaderStyle events
/// </summary>
internal void DoGetFilterColumnHeaderStyleEvent(
GridColumn gridColumn, StyleType eStyle, ref FilterColumnHeaderVisualStyle style)
{
if (GetFilterColumnHeaderStyle != null)
{
GridGetFilterColumnHeaderStyleEventArgs ev = new
GridGetFilterColumnHeaderStyleEventArgs(gridColumn.GridPanel, gridColumn, eStyle, style);
GetFilterColumnHeaderStyle(this, ev);
style = ev.Style;
}
}
internal FilterColumnHeaderVisualStyle GetFilterStyle(StyleType e)
{
ValidateStyle();
if (EffectiveFilterStyles == null)
EffectiveFilterStyles = new FilterColumnHeaderVisualStyles();
if (EffectiveFilterStyles.IsValid(e) == false)
{
FilterColumnHeaderVisualStyle style = new FilterColumnHeaderVisualStyle();
StyleType[] css = style.GetApplyStyleTypes(e);
if (css != null)
{
foreach (StyleType cs in css)
{
style.ApplyStyle(SuperGrid.BaseVisualStyles.FilterColumnHeaderStyles[cs]);
style.ApplyStyle(SuperGrid.DefaultVisualStyles.FilterColumnHeaderStyles[cs]);
style.ApplyStyle(GridPanel.DefaultVisualStyles.FilterColumnHeaderStyles[cs]);
style.ApplyStyle(FilterRowStyles[cs]);
}
}
SuperGrid.DoGetFilterColumnHeaderStyleEvent(this, e, ref style);
if (style.Background == null || style.Background.IsEmpty == true)
style.Background = new Background(Color.White);
if (style.Font == null)
{
Font font = SystemFonts.DefaultFont;
style.Font = font;
}
EffectiveFilterStyles[e] = style;
}
return (EffectiveFilterStyles[e]);
}
private void InitFilterColumnHeaderStyles(
DefaultVisualStyles visualStyle, ColorFactory factory)
{
FilterColumnHeaderVisualStyle colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Alignment = Alignment.MiddleCenter;
colStyle.Font = SystemFonts.CaptionFont;
colStyle.TextColor = factory.GetColor(0xE2E2E2);
colStyle.ErrorTextColor = Color.Red;
colStyle.Background = new Background(factory.GetColor(0x6A6A6A));
colStyle.GripBarBackground = new Background(factory.GetColor(0x797979));
visualStyle.FilterColumnHeaderStyles[StyleType.Default] = colStyle;
colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Background = new Background(factory.GetColor(0xFFDF6B), factory.GetColor(0xFFFCE6));
colStyle.TextColor = factory.GetColor(0x444444);
visualStyle.FilterColumnHeaderStyles[StyleType.MouseOver] = colStyle;
colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Background = GetDefaultSelectedColumnBackground(factory);
visualStyle.FilterColumnHeaderStyles[StyleType.Selected] = colStyle;
colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Background = GetSelectedColumnMouseOverBackground(factory);
visualStyle.FilterColumnHeaderStyles[StyleType.SelectedMouseOver] = colStyle;
}
///<summary>
/// GridGetFilterColumnHeaderStyleEventArgs
///</summary>
///<param name="gridPanel"></param>
///<param name="gridColumn"></param>
///<param name="styleType"></param>
///<param name="style"></param>
public GridGetFilterColumnHeaderStyleEventArgs(GridPanel gridPanel,
GridColumn gridColumn, StyleType styleType, FilterColumnHeaderVisualStyle style)
: base(gridPanel, gridColumn)
{
_StyleType = styleType;
_Style = style;
}
private void InitFilterColumnHeaderStyles(
DefaultVisualStyles visualStyle, ColorFactory factory)
{
FilterColumnHeaderVisualStyle style = new FilterColumnHeaderVisualStyle();
style.Alignment = Alignment.MiddleLeft;
style.Font = SystemFonts.CaptionFont;
style.TextColor = Color.Black;
style.ErrorTextColor = Color.Red;
style.Background = new Background(factory.GetColor(0xEFF4FB), factory.GetColor(0xE1ECFA));
style.GripBarBackground = new Background(factory.GetColor(0xCFDDEE));
visualStyle.FilterColumnHeaderStyles[StyleType.Default] = style;
style = new FilterColumnHeaderVisualStyle();
style.Background = new Background(factory.GetColor(0xFFDF6B), factory.GetColor(0xFFFCE6));
visualStyle.FilterColumnHeaderStyles[StyleType.MouseOver] = style;
style = new FilterColumnHeaderVisualStyle();
style.Background = GetDefaultSelectedColumnBackground(factory);
visualStyle.FilterColumnHeaderStyles[StyleType.Selected] = style;
style = new FilterColumnHeaderVisualStyle();
style.Background = GetSelectedColumnMouseOverBackground(factory);
visualStyle.FilterColumnHeaderStyles[StyleType.SelectedMouseOver] = style;
}
private void InitFilterColumnHeaderStyles(
DefaultVisualStyles visualStyle, ColorFactory factory)
{
FilterColumnHeaderVisualStyle colStyle = new FilterColumnHeaderVisualStyle();
MetroPartColors metroColors = _MetroPartColors;
colStyle.Alignment = Alignment.MiddleCenter;
colStyle.Font = SystemFonts.CaptionFont;
colStyle.TextColor = factory.GetColor(metroColors.TextColor);
colStyle.ErrorTextColor = factory.GetColor(metroColors.BaseColorDarker);
colStyle.Background = new Background(factory.GetColor(metroColors.CanvasColorLighterShade));
colStyle.GripBarBackground = new Background(factory.GetColor(metroColors.CanvasColor));
visualStyle.FilterColumnHeaderStyles[StyleType.Default] = colStyle;
colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Background = new Background(factory.GetColor(metroColors.CanvasColorLightShade));
visualStyle.FilterColumnHeaderStyles[StyleType.MouseOver] = colStyle;
colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Background = GetDefaultSelectedColumnBackground(factory);
visualStyle.FilterColumnHeaderStyles[StyleType.Selected] = colStyle;
colStyle = new FilterColumnHeaderVisualStyle();
colStyle.Background = GetSelectedColumnMouseOverBackground();
visualStyle.FilterColumnHeaderStyles[StyleType.SelectedMouseOver] = colStyle;
}
private void RenderContent(Graphics g, GridColumn column,
string s, FilterColumnHeaderVisualStyle style, Rectangle bounds)
{
eTextFormat tf = style.GetTextFormatFlags();
if (string.IsNullOrEmpty(s) == false)
{
Rectangle r = bounds;
r.Width--;
r.Height -= 2;
Color color = column.FilterError == false
? style.TextColor
: style.ErrorTextColor;
TextDrawing.DrawString(g, s, style.Font, color, r, tf);
}
}
private void RenderFilterContent(Graphics g,
GridColumn column, FilterColumnHeaderVisualStyle style, Rectangle bounds)
{
switch (column.GetFilterPanelType())
{
case FilterEditType.CheckBox:
FilterPanel.RenderCheckBox(g, this, column, bounds);
break;
default:
if (column.FilterValue != null || column.CanShowFilterExpr == true)
{
object value = column.FilterDisplayValue;
if (value != null)
{
string s = value is DateTime
? ((DateTime)value).ToString("d")
: value.ToString();
RenderContent(g, column, s, style, bounds);
}
}
else if (column.FilterExpr != null)
{
string s = column.SuperGrid.FilterCustomString;
RenderContent(g, column, s, style, bounds);
}
break;
}
}
internal void RenderBackground(Graphics g,
GridColumn column, FilterColumnHeaderVisualStyle style, Rectangle r)
{
if (style == null)
style = GetEffectiveStyle(column);
if (column.FilterError == false || style.ErrorBackground == null)
{
using (Brush br = style.Background.GetBrush(r))
g.FillRectangle(br, r);
}
else
{
using (Brush br = style.ErrorBackground.GetBrush(r))
g.FillRectangle(br, r);
}
}
