/// <summary>
/// 画行
/// </summary>
/// <param name="graphics"></param>
/// <param name="headerFormat"></param>
/// <param name="titleFormat"></param>
/// <param name="row"></param>
/// <param name="range"></param>
/// <param name="rowRect"></param>
protected virtual void DrawRow(Graphics graphics, StringFormat headerFormat, StringFormat titleFormat, GanttChartViewRow row, RectangleF range, RectangleF rowRect)
{
graphics.SetClip(range);
var drawY = rowRect.Y + RowSpacing;
var drawHeight = rowRect.Height - RowSpacing * 2;
if (drawHeight > (_ContentControl.Height - ColumnHeight) / 4)
{
drawY = Math.Max(rowRect.Y, ColumnHeight);
drawHeight = Math.Min(rowRect.Bottom - RowSpacing, _ContentControl.Height) - drawY;
}
graphics.DrawString(row.Title, RowHeaderTextFont, this.Brushes.RowHeaderTextBrush, new RectangleF(rowRect.X + RowSpacing, drawY, RowHeaderWidth - RowSpacing * 2, drawHeight), headerFormat);
graphics.ResetClip();
if (row.Items != null)
{
var items = row.Items.OrderBy(r => r.StartTime);
foreach (var item in items)
{
if (item.Left + item.Width - _HScrollBar.Value > RowHeaderWidth)
{
if (item.Left - _HScrollBar.Value < range.Right)
{
DrawItem(graphics, titleFormat, item, new RectangleF(RowHeaderWidth + 1, rowRect.Y + 1, rowRect.Width - RowHeaderWidth - 2, rowRect.Height - 2));
}
}
}
}
graphics.SetClip(range);
graphics.DrawLine(this.Brushes.GridPen, 0, row.Bottom - _VScrollBar.Value, rowRect.Width, row.Bottom - _VScrollBar.Value);
if (_SelectionRow == row && IsShowSelectionBorder)
{
var selectionRect = new Rectangle(1, row.Top + 1, (int)(range.Width - 3), (int)(row.Bottom - row.Top - 2));
graphics.DrawRectangle(this.Brushes.RowSelectionBorderPen, selectionRect);
}
graphics.ResetClip();
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="row"></param>
public GanttChartRowSelectedEventArgs(GanttChartViewRow row)
{
Row = row;
}
