/// <summary>
/// this function checks if the user hit the expand (+) or collapse (-) icon.
/// if it was hit it will return true
/// </summary>
/// <param name="e">mouse click event arguments</param>
/// <returns>returns true if the icon was hit, false otherwise</returns>
internal bool IsIconHit(DataGridViewCellMouseEventArgs e)
{
if (e.ColumnIndex < 0)
{
return(false);
}
KryptonOutlookGrid grid = (KryptonOutlookGrid)this.DataGridView;
Rectangle rowBounds = grid.GetRowDisplayRectangle(this.Index, false);
// DataGridViewColumn c = grid.Columns[e.ColumnIndex];
int rowHeadersWidth = grid.RowHeadersVisible ? grid.RowHeadersWidth : 0;
int l = e.X + grid.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, false).Left;
if (this.isGroupRow &&
(l >= rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + 4 + group.Level * 15) &&
(l <= rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + 4 + group.Level * 15 + 11) &&
(e.Y >= rowBounds.Height - 18) &&
(e.Y <= rowBounds.Height - 7))
{
return(true);
}
return(false);
//System.Diagnostics.Debug.WriteLine(e.ColumnIndex);
}
/// <summary>
/// the main difference with a Group row and a regular row is the way it is painted on the control.
/// the Paint method is therefore overridden and specifies how the Group row is painted.
/// Note: this method is not implemented optimally. It is merely used for demonstration purposes
/// </summary>
/// <param name="graphics"></param>
/// <param name="clipBounds"></param>
/// <param name="rowBounds"></param>
/// <param name="rowIndex"></param>
/// <param name="rowState"></param>
/// <param name="isFirstDisplayedRow"></param>
/// <param name="isLastVisibleRow"></param>
protected override void Paint(System.Drawing.Graphics graphics, System.Drawing.Rectangle clipBounds, Rectangle rowBounds, int rowIndex, DataGridViewElementStates rowState, bool isFirstDisplayedRow, bool isLastVisibleRow)
{
if (this.isGroupRow)
{
KryptonOutlookGrid grid = (KryptonOutlookGrid)this.DataGridView;
int rowHeadersWidth = grid.RowHeadersVisible ? grid.RowHeadersWidth : 0;
int gridwidth = grid.Columns.GetColumnsWidth(DataGridViewElementStates.Visible);
Rectangle myRowBounds = rowBounds;
myRowBounds.Width = gridwidth;
IPaletteBack paletteBack = grid.StateNormal.DataCell.Back;
IPaletteBorder paletteBorder = grid.StateNormal.DataCell.Border;
PaletteState state = PaletteState.Normal;
if (grid.PreviousSelectedGroupRow == rowIndex)
{
state = PaletteState.CheckedNormal;
}
using (RenderContext renderContext = new RenderContext(grid, graphics, myRowBounds, grid.Renderer))
{
using (GraphicsPath path = grid.Renderer.RenderStandardBorder.GetBackPath(renderContext, myRowBounds, paletteBorder, VisualOrientation.Top, PaletteState.Normal))
{
//Back
IDisposable unused = grid.Renderer.RenderStandardBack.DrawBack(renderContext,
myRowBounds,
path,
paletteBack,
VisualOrientation.Top,
state,
null);
// We never save the memento for reuse later
if (unused != null)
{
unused.Dispose();
unused = null;
}
}
}
//Set the icon and lines according to the renderer
if (group.Collapsed)
{
if (KryptonManager.CurrentGlobalPalette.GetRenderer() == KryptonManager.RenderOffice2010)
{
graphics.DrawImage(Properties.Resources.CollapseIcon2010, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + 4 + group.Level * 15, rowBounds.Bottom - 18, 11, 11);
}
else
{
graphics.DrawImage(Properties.Resources.ExpandIcon, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + 4 + group.Level * 15, rowBounds.Bottom - 18, 11, 11);
}
}
else
{
if (KryptonManager.CurrentGlobalPalette.GetRenderer() == KryptonManager.RenderOffice2010)
{
graphics.DrawImage(Properties.Resources.ExpandIcon2010, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + 4 + group.Level * 15, rowBounds.Bottom - 18, 11, 11);
}
else
{
graphics.DrawImage(Properties.Resources.CollapseIcon, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + 4 + group.Level * 15, rowBounds.Bottom - 18, 11, 11);
}
}
// Draw the botton : solid line for 2007 palettes or dot line for 2010 palettes
if (KryptonManager.CurrentGlobalPalette.GetRenderer() == KryptonManager.RenderOffice2010)
{
using (Pen focusPen = new Pen(Color.Gray))
{
focusPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
graphics.DrawLine(focusPen, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset, rowBounds.Bottom - 1, gridwidth + 1, rowBounds.Bottom - 1);
}
}
else
{
using (SolidBrush br = new SolidBrush(paletteBorder.GetBorderColor1(state)))
{
graphics.FillRectangle(br, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset, rowBounds.Bottom - 2, gridwidth + 1, 2);
}
}
//Draw right vertical bar
if (grid.CellBorderStyle == DataGridViewCellBorderStyle.SingleVertical || grid.CellBorderStyle == DataGridViewCellBorderStyle.Single)
{
using (SolidBrush br = new SolidBrush(paletteBorder.GetBorderColor1(state)))
{
graphics.FillRectangle(br, rowBounds.Left + rowHeadersWidth - grid.HorizontalScrollingOffset + gridwidth, rowBounds.Top, 1, rowBounds.Height);
}
}
//Draw image group
int imageoffset = 0;
if (this.group.GroupImage != null)
{
graphics.DrawImage(this.group.GroupImage, rowHeadersWidth - grid.HorizontalScrollingOffset + 18 + group.Level * 15, rowBounds.Bottom - 22, 16, 16);
imageoffset = 18;
}
//Draw text, using the current grid font
int offsetText = rowHeadersWidth - grid.HorizontalScrollingOffset + 18 + imageoffset + group.Level * 15;
//grid.GridPalette.GetContentShortTextFont(PaletteContentStyle.GridHeaderColumnList, state)
TextRenderer.DrawText(graphics, group.Text, grid.GridPalette.GetContentShortTextFont(PaletteContentStyle.LabelBoldControl, state), new Rectangle(offsetText, rowBounds.Bottom - 20, rowBounds.Width - offsetText, rowBounds.Height), grid.GridPalette.GetContentShortTextColor1(PaletteContentStyle.LabelNormalControl, state),
TextFormatFlags.EndEllipsis | TextFormatFlags.SingleLine | TextFormatFlags.PreserveGraphicsClipping);
}
else
{
base.Paint(graphics, clipBounds, rowBounds, rowIndex, rowState, isFirstDisplayedRow, isLastVisibleRow);
}
}