/// <summary>Prevents painting the editing controls for analysis parameter rows.</summary>
void dataGridView_CellPainting(object sender, TreeDataGridViewCellPaintingEventArgs e)
{
if (e.RowIndexHierarchy.Count > 1 && e.ColumnIndex > 1)
{
e.PaintBackground(e.ClipBounds, e.State.HasFlag(DataGridViewElementStates.Selected));
e.Handled = true;
}
else
{
e.Handled = false;
}
}
/// <summary>
/// Create symbols and/or images
/// </summary>
/// <param name="e"></param>
protected override void OnCellPainting(DataGridViewCellPaintingEventArgs e)
{
if (expandedRowList == null)
{
base.OnCellPainting(e);
return;
}
//Only paint in the first column of each info-containing row
if (e.RowIndex < 0 || e.ColumnIndex != 0)
{
if (CellPainting != null)
{
var rowIndexHierarchy = e.RowIndex < 0 ? HeaderRowIndexHierarchy : expandedRowList[e.RowIndex].RowIndexHierarchy;
var e2 = new TreeDataGridViewCellPaintingEventArgs(this, e, rowIndexHierarchy);
CellPainting(this, e2);
if (e2.Handled)
{
e.Handled = true;
return;
}
}
base.OnCellPainting(e);
return;
}
var rowInfo = expandedRowList[e.RowIndex];
int nodeDepth = rowInfo.RowIndexHierarchy.Count - 1;
int iconWidth = 0;
if (CellPainting != null)
{
var e2 = new TreeDataGridViewCellPaintingEventArgs(this, e, rowInfo.RowIndexHierarchy);
CellPainting(this, e2);
if (e2.Handled)
{
e.Handled = true;
return;
}
}
e.Handled = true;
//Still show selection if row is selected
bool isSelected = (e.State & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected;
e.PaintBackground(e.CellBounds, isSelected);
Point symbolPoint = GetSymbolPoint(e.CellBounds, nodeDepth);
//Draw symbol if row is not in bottom node
if (rowInfo.HasChildRows)
{
var symbol = rowInfo.ExpandedChildRows.Count > 0 ? ExpandedSymbol : CollapsedSymbol;
var smoothingMode = e.Graphics.SmoothingMode;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
//Go through and actually draw the stored symbol
var brush = new SolidBrush(isSelected ? e.CellStyle.SelectionForeColor : e.CellStyle.ForeColor);
var pen = new Pen(brush);
foreach (Symbol.Line line in symbol.Lines)
{
Point lineStart = line.Start, lineEnd = line.End;
lineStart.Offset(symbolPoint.X, symbolPoint.Y);
lineEnd.Offset(symbolPoint.X, symbolPoint.Y);
e.Graphics.DrawLine(pen, lineStart, lineEnd);
}
e.Graphics.SmoothingMode = smoothingMode;
}
//Draw icon if one is selected
if (CellIconNeeded != null)
{
var cellValueEventArgs = new TreeDataGridViewCellValueEventArgs(0, rowInfo.RowIndexHierarchy);
CellIconNeeded(this, cellValueEventArgs);
if (cellValueEventArgs.Value != null)
{
var icon = (Image)cellValueEventArgs.Value;
e.Graphics.DrawImage(icon, symbolPoint.X + SymbolWidth + 5, symbolPoint.Y - 3, 15, 15);
iconWidth = 20; //Indicates icon was drawn
}
}
//Paint cell info, taking previous images into account
var indentPadding = new Padding(symbolPoint.X - e.CellBounds.X + SymbolWidth + iconWidth + 2, 0, 0, 0);
e.CellStyle.Padding = indentPadding;
e.Paint(e.CellBounds, DataGridViewPaintParts.ContentForeground);
}
/// <summary>Prevents painting the editing controls for analysis parameter rows.</summary>
void dataGridView_CellPainting(object sender, TreeDataGridViewCellPaintingEventArgs e)
{
if (e.RowIndexHierarchy.Count > 1 && e.ColumnIndex > 1)
{
e.PaintBackground(e.ClipBounds, e.State.HasFlag(DataGridViewElementStates.Selected));
e.Handled = true;
}
else
e.Handled = false;
}
/// <summary>
/// Create symbols and/or images
/// </summary>
/// <param name="e"></param>
protected override void OnCellPainting(DataGridViewCellPaintingEventArgs e)
{
if (expandedRowList == null)
{
base.OnCellPainting(e);
return;
}
//Only paint in the first column of each info-containing row
if (e.RowIndex < 0 || e.ColumnIndex != 0)
{
if (CellPainting != null)
{
var rowIndexHierarchy = e.RowIndex < 0 ? HeaderRowIndexHierarchy : expandedRowList[e.RowIndex].RowIndexHierarchy;
var e2 = new TreeDataGridViewCellPaintingEventArgs(this, e, rowIndexHierarchy);
CellPainting(this, e2);
if (e2.Handled)
{
e.Handled = true;
return;
}
}
base.OnCellPainting(e);
return;
}
var rowInfo = expandedRowList[e.RowIndex];
int nodeDepth = rowInfo.RowIndexHierarchy.Count - 1;
int iconWidth = 0;
if (CellPainting != null)
{
var e2 = new TreeDataGridViewCellPaintingEventArgs(this, e, rowInfo.RowIndexHierarchy);
CellPainting(this, e2);
if (e2.Handled)
{
e.Handled = true;
return;
}
}
e.Handled = true;
//Still show selection if row is selected
bool isSelected = (e.State & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected;
e.PaintBackground(e.CellBounds, isSelected);
Point symbolPoint = GetSymbolPoint(e.CellBounds, nodeDepth);
//Draw symbol if row is not in bottom node
if (rowInfo.HasChildRows)
{
var symbol = rowInfo.ExpandedChildRows.Count > 0 ? ExpandedSymbol : CollapsedSymbol;
var smoothingMode = e.Graphics.SmoothingMode;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
//Go through and actually draw the stored symbol
var brush = new SolidBrush(isSelected ? e.CellStyle.SelectionForeColor : e.CellStyle.ForeColor);
var pen = new Pen(brush);
foreach (Symbol.Line line in symbol.Lines)
{
Point lineStart = line.Start, lineEnd = line.End;
lineStart.Offset(symbolPoint.X, symbolPoint.Y);
lineEnd.Offset(symbolPoint.X, symbolPoint.Y);
e.Graphics.DrawLine(pen, lineStart, lineEnd);
}
e.Graphics.SmoothingMode = smoothingMode;
}
//Draw icon if one is selected
if (CellIconNeeded != null)
{
var cellValueEventArgs = new TreeDataGridViewCellValueEventArgs(0, rowInfo.RowIndexHierarchy);
CellIconNeeded(this, cellValueEventArgs);
if (cellValueEventArgs.Value != null)
{
var icon = (Image)cellValueEventArgs.Value;
e.Graphics.DrawImage(icon, symbolPoint.X + SymbolWidth + 5, symbolPoint.Y - 3, 15, 15);
iconWidth = 20; //Indicates icon was drawn
}
}
//Paint cell info, taking previous images into account
var indentPadding = new Padding(symbolPoint.X - e.CellBounds.X + SymbolWidth + iconWidth + 2, 0, 0, 0);
e.CellStyle.Padding = indentPadding;
e.Paint(e.CellBounds, DataGridViewPaintParts.ContentForeground);
}