private void DrawSortLabel(Graphics g, int height, int width, Point leftTop, BrushesStorage brushes)
{
var centerX = leftTop.X + width - Padding - sortOrderSignWidth / 2;
var centerY = leftTop.Y + height / 2;
var l = sortOrderSignWidth - 4;
var l2 = l * 0.5F;
const float sq3 = 0.57735F;
var r = sq3 * l;
var h = r / 2;
var points = SortOrder == FastColumnSort.Ascending
? new []
{
new PointF(centerX, centerY - r),
new PointF(centerX - l2, centerY + h),
new PointF(centerX + l2, centerY + h),
}
: new []
{
new PointF(centerX, centerY + r),
new PointF(centerX - l2, centerY - h),
new PointF(centerX + l2, centerY - h),
};
var brush = brushes.GetBrush(ColorSorter);
g.FillPolygon(brush, points);
}
/// <summary>
/// draw column's header
/// </summary>
public void Draw(Graphics g, Font font, int height, int width, Point leftTop,
Pen penUp, Pen penDn, BrushesStorage brushes)
{
// choose fill brush
var brush = colorFillLower == colorFillUpper
? brushes.GetBrush(colorFillUpper)
: (Brush) new LinearGradientBrush(new Point(0, leftTop.Y),
new Point(0, leftTop.Y + height - 1),
brushes.GetBrush(colorFillUpper).Color, brushes.GetBrush(colorFillLower).Color);
var rect = new Rectangle(leftTop.X, leftTop.Y, width, height);
g.FillRectangle(brush, leftTop.X, leftTop.Y, width, height);
// outlines
g.DrawLine(penUp, leftTop.X, leftTop.Y, leftTop.X + width, leftTop.Y);
g.DrawLine(penUp, leftTop.X, leftTop.Y, leftTop.X, leftTop.Y + height);
g.DrawLine(penDn, leftTop.X + width, leftTop.Y, leftTop.X + width, leftTop.Y + height);
g.DrawLine(penDn, leftTop.X + width, leftTop.Y + height, leftTop.X, leftTop.Y + height);
// text and sorting mode label
var orderSignW = SortOrder == FastColumnSort.None ? 0 : SortOrderSignWidth;
var maxTextW = width - Padding * 2 - orderSignW;
var textCenterX = maxTextW / 2 + Padding;
var columnText = !string.IsNullOrEmpty(Title)
? Title
: !string.IsNullOrEmpty(PropertyDisplayName) ? PropertyDisplayName : PropertyName;
var brushText = brushes.GetBrush(ColorText);
g.SetClip(rect);
g.DrawString(columnText, font, brushText,
leftTop.X + textCenterX, leftTop.Y + height / 2, headerTextFormat);
g.ResetClip();
// sorting label
if (SortOrder != FastColumnSort.None)
{
DrawSortLabel(g, height, width, leftTop, brushes);
}
}
private void DrawSortLabel(Graphics g, int height, int width, Point leftTop, BrushesStorage brushes)
{
var centerX = leftTop.X + width - Padding - sortOrderSignWidth/2;
var centerY = leftTop.Y + height/2;
var l = sortOrderSignWidth - 4;
var l2 = l*0.5F;
const float sq3 = 0.57735F;
var r = sq3*l;
var h = r / 2;
var points = SortOrder == FastColumnSort.Ascending
? new []
{
new PointF(centerX, centerY - r),
new PointF(centerX - l2, centerY + h),
new PointF(centerX + l2, centerY + h),
}
: new []
{
new PointF(centerX, centerY + r),
new PointF(centerX - l2, centerY - h),
new PointF(centerX + l2, centerY - h),
};
var brush = brushes.GetBrush(ColorSorter);
g.FillPolygon(brush, points);
}
/// <summary>
/// draw column's header
/// </summary>
public void Draw(Graphics g, Font font, int height, int width, Point leftTop,
Pen penUp, Pen penDn, BrushesStorage brushes)
{
// choose fill brush
var brush = colorFillLower == colorFillUpper
? brushes.GetBrush(colorFillUpper)
: (Brush)new LinearGradientBrush(new Point(0, leftTop.Y),
new Point(0, leftTop.Y + height - 1),
brushes.GetBrush(colorFillUpper).Color, brushes.GetBrush(colorFillLower).Color);
var rect = new Rectangle(leftTop.X, leftTop.Y, width, height);
g.FillRectangle(brush, leftTop.X, leftTop.Y, width, height);
// outlines
g.DrawLine(penUp, leftTop.X, leftTop.Y, leftTop.X + width, leftTop.Y);
g.DrawLine(penUp, leftTop.X, leftTop.Y, leftTop.X, leftTop.Y + height);
g.DrawLine(penDn, leftTop.X + width, leftTop.Y, leftTop.X + width, leftTop.Y + height);
g.DrawLine(penDn, leftTop.X + width, leftTop.Y + height, leftTop.X, leftTop.Y + height);
// text and sorting mode label
var orderSignW = SortOrder == FastColumnSort.None ? 0 : SortOrderSignWidth;
var maxTextW = width - Padding * 2 - orderSignW;
var textCenterX = maxTextW/2 + Padding;
var columnText = !string.IsNullOrEmpty(Title)
? Title
: !string.IsNullOrEmpty(PropertyDisplayName) ? PropertyDisplayName : PropertyName;
var brushText = brushes.GetBrush(ColorText);
g.SetClip(rect);
g.DrawString(columnText, font, brushText,
leftTop.X + textCenterX, leftTop.Y + height / 2, headerTextFormat);
g.ResetClip();
// sorting label
if (SortOrder != FastColumnSort.None)
DrawSortLabel(g, height, width, leftTop, brushes);
}
private void DrawCellText(int columnIndex, FastColumn column, FastCell cell, BrushesStorage brushes,
Graphics g, Point leftTop, int cellWidth, int cellHeight,
Font font, Brush brushFont, Color?fontColor, int rowIndex, int cellPadding)
{
if (userDrawCellText != null)
{
userDrawCellText(columnIndex, column, cell, brushes, g, leftTop, cellWidth, cellHeight, font, brushFont,
fontColor, rowIndex, cellPadding);
return;
}
var cellFont = column.ColumnFont ?? font;
var brush = brushFont;
if (fontColor.HasValue)
{
brush = brushes.GetBrush(fontColor.Value);
}
// apply hyperlink colors?
if (column.IsHyperlinkStyleColumn)
{
var linkColor = column.ColorHyperlinkTextInactive;
if (column.HyperlinkFontInactive != null)
{
cellFont = column.HyperlinkFontInactive;
}
if (owner.LastHoveredCell.HasValue)
{
var hoveredCell = owner.LastHoveredCell.Value;
// is there cursor above?
if (columnIndex == hoveredCell.X && rowIndex == hoveredCell.Y)
{
linkColor = column.ColorHyperlinkTextActive;
if (column.HyperlinkFontActive != null)
{
cellFont = column.HyperlinkFontActive;
}
}
}
if (linkColor.HasValue)
{
brush = brushes.GetBrush(linkColor.Value);
}
}
var cellString = cell.CellString;
// Color render
if (cell.CellValue is Color)
{
var c = (Color)cell.CellValue;
g.FillRectangle(new SolidBrush(c), leftTop.X + cellPadding, leftTop.Y + 2, 25, cellHeight - 3);
cellString = string.Format("{0}; {1}; {2}", c.B, c.G, c.R);
leftTop.X += 25;
}
if (column.CellHAlignment == StringAlignment.Center)
{
g.DrawString(cellString, cellFont, brush,
leftTop.X + cellWidth / 2, leftTop.Y + cellHeight / 2, cellTextFormatHCenter);
}
if (column.CellHAlignment == StringAlignment.Near)
{
g.DrawString(cellString, cellFont, brush,
leftTop.X + cellPadding, leftTop.Y + cellHeight / 2, cellTextFormatHNear);
}
if (column.CellHAlignment == StringAlignment.Far)
{
g.DrawString(cellString, cellFont, brush,
leftTop.X + cellWidth - cellPadding, leftTop.Y + cellHeight / 2, cellTextFormatHFar);
}
}
public void DrawRow(
Graphics g,
int rowIndex,
Point leftTop,
int height,
List <FastColumn> columns,
Pen penUp,
Pen penDn,
Brush brushFill,
Brush brushFont,
Font font,
int cellPadding,
BrushesStorage brushes)
{
if (IsGroupingRow)
{
var width = columns.Sum(c => c.Visible ? c.ResultedWidth : 0);
var rect = new Rectangle(leftTop.X + 1, leftTop.Y + 2, width - 1, height - 2);
g.FillRectangle(brushes.GetBrush(Color.DarkGray), rect);
g.DrawLine(penUp, leftTop.X, leftTop.Y + 1, leftTop.X, leftTop.Y + height - 1);
g.DrawLine(penDn, leftTop.X + width - 1, leftTop.Y + 2, leftTop.X + width - 1, leftTop.Y + height - 1);
var image = owner.ImageList.Images[Collapsed ? "expand" : "collapse"];
if (image != null)
{
g.DrawImage(image,
new Rectangle(new Point(), image.Size).MoveCenter(
new Rectangle(leftTop.X, leftTop.Y + 1, height, height).GetCenter()));
}
var label = cells.Count != 0 ? cells[0].CellString : "";
rect.X += height;
g.DrawString(label, new Font(font, FontStyle.Bold), brushFont, rect, new StringFormat {
LineAlignment = StringAlignment.Center
});
return;
}
var lastHoveredCell = owner.LastHoveredCell;
for (var i = 0; i < columns.Count; i++)
{
var column = columns[i];
if (!column.Visible)
{
continue;
}
if (i >= cells.Count)
{
continue;
}
var cell = cells[i];
var width = column.ResultedWidth;
// если ячейку надо показывать во всю ширину
if (column.ShowClippedContent && lastHoveredCell.HasValue &&
lastHoveredCell.Value.X == i && lastHoveredCell.Value.Y == rowIndex &&
column.ImageList == null)
{
var textSz = g.MeasureString(cell.CellString, font);
var resWd = column.Padding * 2 + (int)Math.Round(textSz.Width);
if (resWd > width)
{
width = resWd;
}
}
var backColor = BackgroundColor;
var fontColor = FontColor;
if (column.colorColumnFormatter != null)
{
Color?clBack, clFont;
column.colorColumnFormatter(cell.CellValue, out clBack, out clFont);
if (clBack.HasValue)
{
backColor = clBack;
}
if (clFont.HasValue)
{
fontColor = clFont;
}
}
// fill brush
var brush = brushFill;
if (backColor.HasValue && !Selected)
{
brush = brushes.GetBrush(backColor.Value);
}
g.FillRectangle(brush, leftTop.X + 1, leftTop.Y + 2, width - 2, height - 2);
// outline (right - left bounds)
g.DrawLine(penUp, leftTop.X, leftTop.Y + 1, leftTop.X, leftTop.Y + height - 1);
g.DrawLine(penDn, leftTop.X + width - 1, leftTop.Y + 2, leftTop.X + width - 1,
leftTop.Y + height - 1);
// text
var oldBounds = g.ClipBounds;
var clipBounds = new RectangleF(leftTop.X, leftTop.Y, width, height);
g.SetClip(clipBounds);
// draw picture?
if (column.ImageList != null)
{
if (cell.CellValue != null)
{
Image img = null;
if (cell.CellValue is int)
{
var indexImg = (int)cell.CellValue;
if (indexImg >= 0 && indexImg < column.ImageList.Images.Count)
{
img = column.ImageList.Images[indexImg];
}
}
else
{
var keyImg = cell.CellValue is string
?(string)cell.CellValue
: cell.CellValue.ToString();
img = column.ImageList.Images[keyImg];
}
if (img != null)
{
// do draw
var left = column.CellHAlignment == StringAlignment.Near
? column.Padding
: column.CellHAlignment == StringAlignment.Center
? column.ResultedWidth / 2 - img.Width / 2
: column.ResultedWidth - column.Padding - img.Width;
var top = height / 2 - img.Height / 2;
g.DrawImage(img, leftTop.X + left, leftTop.Y + top);
}
}
}
else
{
// just draw text
DrawCellText(i, column, cell, brushes, g, leftTop,
width, height, font, brushFont, fontColor, rowIndex, cellPadding);
}
leftTop = new Point(leftTop.X + width, leftTop.Y);
g.SetClip(oldBounds);
}
}
protected override void OnPaint(PaintEventArgs e)
{
// horz scrolling
var shiftX = scrollBarH.Value;
// painting
using (var brushColl = new BrushesStorage())
using (var penUp = new Pen(colorCellOutlineUpper))
using (var penDn = new Pen(colorCellOutlineLower))
{
var brushFillUnSel = brushColl.GetBrush(ColorCellBackground);
var brushFillAlt = brushColl.GetBrush(ColorAltCellBackground);
var brushFillSel = brushColl.GetBrush(ColorSelectedCellBackground);
var brushFillAnchor = brushColl.GetBrush(ColorAnchorCellBackground);
var brushFont = brushColl.GetBrush(ColorCellFont);
var brushFontSel = brushColl.GetBrush(ColorSelectedCellFont);
// draw column title
var pointLeft = new Point(-shiftX, 0);
var totalWidth = 0;
foreach (var column in columns)
{
if (!column.Visible)
continue;
// draw the cell
column.Draw(e.Graphics, FontHeader ?? Font, CaptionHeight,
column.ResultedWidth, pointLeft, penUp, penDn, brushColl);
pointLeft = new Point(pointLeft.X + column.ResultedWidth, pointLeft.Y);
totalWidth += column.ResultedWidth;
}
// draw strings
var fontCell = FontCell ?? Font;
var leftTop = new Point(-shiftX, CaptionHeight + 1);
// first displayed row index
var startIndex = scrollBarV.Value >= rows.Count ? 0 : scrollBarV.Value;
for (var i = startIndex; i < rows.Count; i++)
{
var row = rows[i];
var isAlt = (i & 1) != 0;
var brushBack = row.Selected ? brushFillSel
: row.anchor != FastRow.AnchorPosition.NoAnchor ? brushFillAnchor
: isAlt ? brushFillAlt : brushFillUnSel;
var brFont = row.Selected ? brushFontSel : brushFont;
var font = (row.Selected && FontSelectedCell != null) ? FontSelectedCell :
(row.anchor != FastRow.AnchorPosition.NoAnchor && FontAnchoredRow != null)
? FontAnchoredRow : fontCell;
// draw horz cells margins
e.Graphics.DrawLine(penUp, leftTop.X, leftTop.Y, leftTop.X + totalWidth, leftTop.Y);
e.Graphics.DrawLine(penDn, leftTop.X, leftTop.Y + 1, leftTop.X + totalWidth, leftTop.Y + 1);
row.DrawRow(e.Graphics,
i,
leftTop,
CellHeight,
columns,
penUp,
penDn,
brushBack,
brFont,
font,
CellPadding, brushColl);
leftTop = new Point(leftTop.X, leftTop.Y + CellHeight);
if (leftTop.Y >= Height) break;
}
// draw dragging
if (dragCoords.HasValue)
{
// dragging column
bool inHeader;
var draggingColumnPos = GetCellUnderCursor(startDragCoords.Value.X, startDragCoords.Value.Y, out inHeader);
if (draggingColumnPos.HasValue && inHeader)
{
// drop position
var columnUnderCursorPos = GetCellUnderCursor(dragCoords.Value.X, dragCoords.Value.Y, out inHeader);
var draggingColumn = columns[draggingColumnPos.Value.X];
int? columnPosition = null;
if (columnUnderCursorPos.HasValue) // drag to another column
{
var columnUnderCursor = columns[columnUnderCursorPos.Value.X];
if(columnUnderCursor != draggingColumn)
columnPosition = GetColumnPosition(columnUnderCursorPos.Value.X); // block dragging to itself
if (columnPosition.HasValue &&
dragCoords.Value.X - columnPosition.Value > columnUnderCursor.ResultedWidth / 2) // right part of header
{
columnPosition = columnPosition.Value + columnUnderCursor.ResultedWidth;
// block dragging
var nextColumn = columns.Find(c => c.Visible && columns.IndexOf(c) > columnUnderCursorPos.Value.X);
if (nextColumn == draggingColumn)
columnPosition = null;
}
else // left part of header
{
// block dragging
var prevColumn = columns.FindLast(c => c.Visible && columns.IndexOf(c) < columnUnderCursorPos.Value.X);
if (prevColumn == draggingColumn)
columnPosition = null;
}
}
else
{
var firstColumnPosition = GetColumnPosition(0);
if (firstColumnPosition.HasValue && dragCoords.Value.X < firstColumnPosition.Value) // drag to the left from the first column
{
var firstColumn = columns.FirstOrDefault(c => c.Visible);
if (firstColumn != draggingColumn)
columnPosition = firstColumnPosition.Value;
}
else // drag to the right from the last column
{
var lastColumnPosition = GetColumnPosition(columns.Count - 1);
if (lastColumnPosition.HasValue && dragCoords.Value.X > lastColumnPosition.Value)
{
var lastColumn = columns.LastOrDefault(c => c.Visible);
if (lastColumn != draggingColumn)
columnPosition = lastColumnPosition.Value + lastColumn.ResultedWidth;
}
}
}
if (columnPosition.HasValue)
e.Graphics.FillRectangle(new SolidBrush(Color.Black), columnPosition.Value - 1, 0, 3, Height);
columnPosition = GetColumnPosition(draggingColumnPos.Value.X);
if (columnPosition.HasValue)
{
brushColl.GetBrush(draggingColumn.ColorFillUpper);
brushColl.GetBrush(draggingColumn.ColorFillLower);
brushColl.SetAlpha(192);
e.Graphics.CompositingMode = CompositingMode.SourceOver;
draggingColumn.Draw(e.Graphics, FontHeader ?? Font, CaptionHeight,
draggingColumn.ResultedWidth,
new Point(
columnPosition.Value + dragCoords.Value.X - startDragCoords.Value.X, 0),
penUp, penDn, brushColl);
e.Graphics.CompositingMode = CompositingMode.SourceCopy;
brushColl.SetAlpha(0);
}
}
}
}
if (scrollBarV.Visible)
{
var totalHeight = CellHeight * rows.Count + CaptionHeight + 1;
var itemsLeft = (int)Math.Ceiling((totalHeight - Height) / (double)CellHeight);
RecalcScrollBounds(itemsLeft);
}
}
protected override void OnPaint(PaintEventArgs e)
{
// horz scrolling
var shiftX = scrollBarH.Value;
// painting
using (var brushColl = new BrushesStorage())
using (var penUp = new Pen(colorCellOutlineUpper))
using (var penDn = new Pen(colorCellOutlineLower))
{
var brushFillUnSel = brushColl.GetBrush(ColorCellBackground);
var brushFillAlt = brushColl.GetBrush(ColorAltCellBackground);
var brushFillSel = brushColl.GetBrush(ColorSelectedCellBackground);
var brushFillAnchor = brushColl.GetBrush(ColorAnchorCellBackground);
var brushFont = brushColl.GetBrush(ColorCellFont);
var brushFontSel = brushColl.GetBrush(ColorSelectedCellFont);
// draw column title
var pointLeft = new Point(-shiftX, 0);
var totalWidth = 0;
foreach (var column in columns)
{
if (!column.Visible)
{
continue;
}
// draw the cell
column.Draw(e.Graphics, FontHeader ?? Font, CaptionHeight,
column.ResultedWidth, pointLeft, penUp, penDn, brushColl);
pointLeft = new Point(pointLeft.X + column.ResultedWidth, pointLeft.Y);
totalWidth += column.ResultedWidth;
}
// draw strings
var fontCell = FontCell ?? Font;
var leftTop = new Point(-shiftX, CaptionHeight + 1);
// first displayed row index
var startIndex = scrollBarV.Value >= rows.Count ? 0 : scrollBarV.Value;
for (var i = startIndex; i < rows.Count; i++)
{
var row = rows[i];
var isAlt = (i & 1) != 0;
var brushBack = row.Selected ? brushFillSel
: row.anchor != FastRow.AnchorPosition.NoAnchor ? brushFillAnchor
: isAlt ? brushFillAlt : brushFillUnSel;
var brFont = row.Selected ? brushFontSel : brushFont;
var font = (row.Selected && FontSelectedCell != null) ? FontSelectedCell :
(row.anchor != FastRow.AnchorPosition.NoAnchor && FontAnchoredRow != null)
? FontAnchoredRow : fontCell;
// draw horz cells margins
e.Graphics.DrawLine(penUp, leftTop.X, leftTop.Y, leftTop.X + totalWidth, leftTop.Y);
e.Graphics.DrawLine(penDn, leftTop.X, leftTop.Y + 1, leftTop.X + totalWidth, leftTop.Y + 1);
row.DrawRow(e.Graphics,
i,
leftTop,
CellHeight,
columns,
penUp,
penDn,
brushBack,
brFont,
font,
CellPadding, brushColl);
leftTop = new Point(leftTop.X, leftTop.Y + CellHeight);
if (leftTop.Y >= Height)
{
break;
}
}
// draw dragging
if (dragCoords.HasValue)
{
// dragging column
bool inHeader;
var draggingColumnPos = GetCellUnderCursor(startDragCoords.Value.X, startDragCoords.Value.Y, out inHeader);
if (draggingColumnPos.HasValue && inHeader)
{
// drop position
var columnUnderCursorPos = GetCellUnderCursor(dragCoords.Value.X, dragCoords.Value.Y, out inHeader);
var draggingColumn = columns[draggingColumnPos.Value.X];
int?columnPosition = null;
if (columnUnderCursorPos.HasValue) // drag to another column
{
var columnUnderCursor = columns[columnUnderCursorPos.Value.X];
if (columnUnderCursor != draggingColumn)
{
columnPosition = GetColumnPosition(columnUnderCursorPos.Value.X); // block dragging to itself
}
if (columnPosition.HasValue &&
dragCoords.Value.X - columnPosition.Value > columnUnderCursor.ResultedWidth / 2) // right part of header
{
columnPosition = columnPosition.Value + columnUnderCursor.ResultedWidth;
// block dragging
var nextColumn = columns.Find(c => c.Visible && columns.IndexOf(c) > columnUnderCursorPos.Value.X);
if (nextColumn == draggingColumn)
{
columnPosition = null;
}
}
else // left part of header
{
// block dragging
var prevColumn = columns.FindLast(c => c.Visible && columns.IndexOf(c) < columnUnderCursorPos.Value.X);
if (prevColumn == draggingColumn)
{
columnPosition = null;
}
}
}
else
{
var firstColumnPosition = GetColumnPosition(0);
if (firstColumnPosition.HasValue && dragCoords.Value.X < firstColumnPosition.Value) // drag to the left from the first column
{
var firstColumn = columns.FirstOrDefault(c => c.Visible);
if (firstColumn != draggingColumn)
{
columnPosition = firstColumnPosition.Value;
}
}
else // drag to the right from the last column
{
var lastColumnPosition = GetColumnPosition(columns.Count - 1);
if (lastColumnPosition.HasValue && dragCoords.Value.X > lastColumnPosition.Value)
{
var lastColumn = columns.LastOrDefault(c => c.Visible);
if (lastColumn != draggingColumn)
{
columnPosition = lastColumnPosition.Value + lastColumn.ResultedWidth;
}
}
}
}
if (columnPosition.HasValue)
{
e.Graphics.FillRectangle(new SolidBrush(Color.Black), columnPosition.Value - 1, 0, 3, Height);
}
columnPosition = GetColumnPosition(draggingColumnPos.Value.X);
if (columnPosition.HasValue)
{
brushColl.GetBrush(draggingColumn.ColorFillUpper);
brushColl.GetBrush(draggingColumn.ColorFillLower);
brushColl.SetAlpha(192);
e.Graphics.CompositingMode = CompositingMode.SourceOver;
draggingColumn.Draw(e.Graphics, FontHeader ?? Font, CaptionHeight,
draggingColumn.ResultedWidth,
new Point(
columnPosition.Value + dragCoords.Value.X - startDragCoords.Value.X, 0),
penUp, penDn, brushColl);
e.Graphics.CompositingMode = CompositingMode.SourceCopy;
brushColl.SetAlpha(0);
}
}
}
}
if (scrollBarV.Visible)
{
var totalHeight = CellHeight * rows.Count + CaptionHeight + 1;
var itemsLeft = (int)Math.Ceiling((totalHeight - Height) / (double)CellHeight);
RecalcScrollBounds(itemsLeft);
}
}
private void OnUserDrawCellText(int columnIndex, FastColumn column, FastCell cell, BrushesStorage brushes,
Graphics g, Point leftTop, int cellWidth, int cellHeightI,
Font font, Brush brushFont, Color? fontColor, int rowIndex, int cellPaddingI)
{
if (userDrawCellText != null)
userDrawCellText(columnIndex, column, cell, brushes, g, leftTop, cellWidth, cellHeightI, font,
brushFont, fontColor, rowIndex, cellPaddingI);
}
private void DrawCellText(int columnIndex, FastColumn column, FastCell cell, BrushesStorage brushes,
Graphics g, Point leftTop, int cellWidth, int cellHeight,
Font font, Brush brushFont, Color? fontColor, int rowIndex, int cellPadding)
{
if (userDrawCellText != null)
{
userDrawCellText(columnIndex, column, cell, brushes, g, leftTop, cellWidth, cellHeight, font, brushFont,
fontColor, rowIndex, cellPadding);
return;
}
var cellFont = column.ColumnFont ?? font;
var brush = brushFont;
if (fontColor.HasValue) brush = brushes.GetBrush(fontColor.Value);
// apply hyperlink colors?
if (column.IsHyperlinkStyleColumn)
{
var linkColor = column.ColorHyperlinkTextInactive;
if (column.HyperlinkFontInactive != null)
cellFont = column.HyperlinkFontInactive;
if (owner.LastHoveredCell.HasValue)
{
var hoveredCell = owner.LastHoveredCell.Value;
// is there cursor above?
if (columnIndex == hoveredCell.X && rowIndex == hoveredCell.Y)
{
linkColor = column.ColorHyperlinkTextActive;
if (column.HyperlinkFontActive != null)
cellFont = column.HyperlinkFontActive;
}
}
if (linkColor.HasValue)
brush = brushes.GetBrush(linkColor.Value);
}
var cellString = cell.CellString;
// Color render
if (cell.CellValue is Color)
{
var c = (Color) cell.CellValue;
g.FillRectangle(new SolidBrush(c), leftTop.X + cellPadding, leftTop.Y + 2, 25, cellHeight - 3);
cellString = string.Format("{0}; {1}; {2}", c.B, c.G, c.R);
leftTop.X += 25;
}
if (column.CellHAlignment == StringAlignment.Center)
g.DrawString(cellString, cellFont, brush,
leftTop.X + cellWidth / 2, leftTop.Y + cellHeight / 2, cellTextFormatHCenter);
if (column.CellHAlignment == StringAlignment.Near)
g.DrawString(cellString, cellFont, brush,
leftTop.X + cellPadding, leftTop.Y + cellHeight / 2, cellTextFormatHNear);
if (column.CellHAlignment == StringAlignment.Far)
g.DrawString(cellString, cellFont, brush,
leftTop.X + cellWidth - cellPadding, leftTop.Y + cellHeight / 2, cellTextFormatHFar);
}
public void DrawRow(
Graphics g,
int rowIndex,
Point leftTop,
int height,
List<FastColumn> columns,
Pen penUp,
Pen penDn,
Brush brushFill,
Brush brushFont,
Font font,
int cellPadding,
BrushesStorage brushes)
{
if (IsGroupingRow)
{
var width = columns.Sum(c => c.Visible ? c.ResultedWidth : 0);
var rect = new Rectangle(leftTop.X + 1, leftTop.Y + 2, width - 1, height - 2);
g.FillRectangle(brushes.GetBrush(Color.DarkGray), rect);
g.DrawLine(penUp, leftTop.X, leftTop.Y + 1, leftTop.X, leftTop.Y + height - 1);
g.DrawLine(penDn, leftTop.X + width - 1, leftTop.Y + 2, leftTop.X + width - 1, leftTop.Y + height - 1);
var image = owner.ImageList.Images[Collapsed ? "expand" : "collapse"];
if (image != null)
{
g.DrawImage(image,
new Rectangle(new Point(), image.Size).MoveCenter(
new Rectangle(leftTop.X, leftTop.Y + 1, height, height).GetCenter()));
}
var label = cells.Count != 0 ? cells[0].CellString : "";
rect.X += height;
g.DrawString(label, new Font(font, FontStyle.Bold), brushFont, rect, new StringFormat {LineAlignment = StringAlignment.Center});
return;
}
var lastHoveredCell = owner.LastHoveredCell;
for (var i = 0; i < columns.Count; i++)
{
var column = columns[i];
if (!column.Visible)
continue;
if (i >= cells.Count)
continue;
var cell = cells[i];
var width = column.ResultedWidth;
// если ячейку надо показывать во всю ширину
if (column.ShowClippedContent && lastHoveredCell.HasValue &&
lastHoveredCell.Value.X == i && lastHoveredCell.Value.Y == rowIndex &&
column.ImageList == null)
{
var textSz = g.MeasureString(cell.CellString, font);
var resWd = column.Padding * 2 + (int) Math.Round(textSz.Width);
if (resWd > width)
width = resWd;
}
var backColor = BackgroundColor;
var fontColor = FontColor;
if (column.colorColumnFormatter != null)
{
Color? clBack, clFont;
column.colorColumnFormatter(cell.CellValue, out clBack, out clFont);
if (clBack.HasValue) backColor = clBack;
if (clFont.HasValue) fontColor = clFont;
}
// fill brush
var brush = brushFill;
if (backColor.HasValue && !Selected) brush = brushes.GetBrush(backColor.Value);
g.FillRectangle(brush, leftTop.X + 1, leftTop.Y + 2, width - 2, height - 2);
// outline (right - left bounds)
g.DrawLine(penUp, leftTop.X, leftTop.Y + 1, leftTop.X, leftTop.Y + height - 1);
g.DrawLine(penDn, leftTop.X + width - 1, leftTop.Y + 2, leftTop.X + width - 1,
leftTop.Y + height - 1);
// text
var oldBounds = g.ClipBounds;
var clipBounds = new RectangleF(leftTop.X, leftTop.Y, width, height);
g.SetClip(clipBounds);
// draw picture?
if (column.ImageList != null)
{
if (cell.CellValue != null)
{
Image img = null;
if (cell.CellValue is int)
{
var indexImg = (int) cell.CellValue;
if (indexImg >= 0 && indexImg < column.ImageList.Images.Count)
img = column.ImageList.Images[indexImg];
}
else
{
var keyImg = cell.CellValue is string
? (string) cell.CellValue
: cell.CellValue.ToString();
img = column.ImageList.Images[keyImg];
}
if (img != null)
{
// do draw
var left = column.CellHAlignment == StringAlignment.Near
? column.Padding
: column.CellHAlignment == StringAlignment.Center
? column.ResultedWidth / 2 - img.Width / 2
: column.ResultedWidth - column.Padding - img.Width;
var top = height / 2 - img.Height / 2;
g.DrawImage(img, leftTop.X + left, leftTop.Y + top);
}
}
}
else
{
// just draw text
DrawCellText(i, column, cell, brushes, g, leftTop,
width, height, font, brushFont, fontColor, rowIndex, cellPadding);
}
leftTop = new Point(leftTop.X + width, leftTop.Y);
g.SetClip(oldBounds);
}
}
private void OnUserDrawCellText(int columnIndex, FastColumn column, FastCell cell, BrushesStorage brushes,
Graphics g, Point leftTop, int cellWidth, int cellHeightI,
Font font, Brush brushFont, Color?fontColor, int rowIndex, int cellPaddingI)
{
if (userDrawCellText != null)
{
userDrawCellText(columnIndex, column, cell, brushes, g, leftTop, cellWidth, cellHeightI, font,
brushFont, fontColor, rowIndex, cellPaddingI);
}
}