/// <summary> Create a row. Rows must be created via this call</summary>
public GLDataGridViewRow CreateRow()
{
GLDataGridViewRow row = new GLDataGridViewRow();
row.Parent = this;
row.DefaultCellStyle.Parent = defaultcellstyle;
row.HeaderStyle.Parent = rowheaderstyle;
row.Height = 24;
return(row);
}
/// <summary> remove a row at row </summary>
public void RemoveRow(int row)
{
GLDataGridViewRow rw = rows[row];
rw.Parent = null;
rw.DefaultCellStyle.Parent = null;
rw.HeaderStyle.Parent = null;
rw.HeaderStyle.Changed = null;
rw.Changed = null;
contentpanel.RemoveRow(row);
rows.RemoveAt(row);
for (int i = row; i < rows.Count; i++)
{
rows[i].SetRowNo(i, (i & 1) != 0 ? DefaultAltRowCellStyle : DefaultCellStyle);
}
UpdateScrollBar();
}
internal void PerformAutoSize(GLDataGridViewRow r)
{
if (r.AutoSizeGeneration != autosizegeneration)
{
// System.Diagnostics.Debug.WriteLine($"Perform autosize {r.Index}");
int maxh = 0;
for (int i = 0; i < columns.Count; i++) // each column cell gets a chance to autosize against the col width
{
if (i < r.Cells.Count)
{
Size s = r.Cells[i].PerformAutoSize(Math.Max(columns[i].Width, columns[i].MinimumWidth)); // max of these just in case we have not performed layout
maxh = Math.Max(maxh, s.Height);
}
}
r.SetAutoSizeHeight(autosizegeneration, maxh);
}
}
/// <summary> Add a row. If insertatrow=-1, add to end. Else inserted before index</summary>
public void AddRow(GLDataGridViewRow row, int insertatrow = -1)
{
System.Diagnostics.Debug.Assert(row.Parent == this && row.HeaderStyle.Parent != null); // ensure created by us
row.HeaderStyle.Changed += (e1) => { ContentInvalidateLayout(); }; // header style changed, need a complete refresh
row.AutoSizeGeneration = 0;
row.Changed += (e1) =>
{
contentpanel.RowChanged(row.Index); // inform CP
UpdateScrollBar(); // update scroll bar
};
row.SelectionChanged += (rw, cellno) =>
{
//System.Diagnostics.Debug.WriteLine($"Selection changed on {rw.Index} {cellno}");
if (cellno == -1) // if whole row select
{
if (rw.Selected) // turning on
{
if (!AllowUserToSelectMultipleRows) // if not allowed multirow, clear all
{
ClearSelection();
}
if (!selectedcells.ContainsKey(rw.Index))
{
selectedcells[rw.Index] = new HashSet <int>();
}
foreach (var c in rw.Cells)
{
selectedcells[rw.Index].Add(c.Index);
}
SelectedRow?.Invoke(rw, true);
}
else
{ // turning off
foreach (var c in rw.Cells)
{
selectedcells[rw.Index].Remove(c.Index);
}
if (selectedcells[rw.Index].Count == 0)
{
selectedcells.Remove(rw.Index);
}
SelectedRow?.Invoke(rw, false);
}
}
else if (rows[rw.Index].Cells[cellno].Selected) // individual cell turning on
{
if (!selectedcells.ContainsKey(rw.Index))
{
selectedcells[rw.Index] = new HashSet <int>();
}
selectedcells[rw.Index].Add(cellno);
SelectedCell?.Invoke(rows[rw.Index].Cells[cellno], true);
}
else
{
selectedcells[rw.Index].Remove(cellno); // or turning off
if (selectedcells[rw.Index].Count == 0)
{
selectedcells.Remove(rw.Index);
}
SelectedCell?.Invoke(rows[rw.Index].Cells[cellno], false);
}
contentpanel.RowChanged(row.Index); // inform CP
};
if (insertatrow == -1)
{
row.SetRowNo(rows.Count, (rows.Count & 1) != 0 ? DefaultAltRowCellStyle : DefaultCellStyle);
rows.Add(row);
contentpanel.AddRow(row.Index); // see if content panel needs redrawing
}
else
{
rows.Insert(insertatrow, row);
for (int i = insertatrow; i < rows.Count; i++)
{
rows[i].SetRowNo(i, (i & 1) != 0 ? DefaultAltRowCellStyle : DefaultCellStyle);
}
contentpanel.InsertRow(row.Index); // see if content panel needs redrawing
}
UpdateScrollBar();
}
