public int GetRequiredWidth(Graphics graphics)
{
int width = 0;
for (int i = 0; i < columns.Count; i++)
{
if (columns[i].AutoSize)
{
int minimumWidth = DynamicListColumn.DefaultWidth;
foreach (DynamicListRow row in Rows)
{
DynamicListItem item = row[i];
item.MeasureMinimumWidth(graphics, ref minimumWidth);
}
width += minimumWidth;
}
else
{
width += columns[i].Width;
}
width += 1;
}
return(width);
}
protected override void OnPaint(PaintEventArgs e)
{
//Debug.WriteLine("OnPaint");
Graphics g = e.Graphics;
allowedControls.Clear();
int columnIndex = -1;
foreach (DynamicListColumn col in Columns)
{
columnIndex += 1;
if (!col.AutoSize)
{
continue;
}
int minimumWidth = DynamicListColumn.DefaultWidth;
foreach (DynamicListRow row in Rows)
{
DynamicListItem item = row[columnIndex];
item.MeasureMinimumWidth(e.Graphics, ref minimumWidth);
}
col.MinimumWidth = minimumWidth;
}
int controlIndex = 0;
int xPos;
int yPos = -scrollOffset;
Size clientSize = ClientSize;
foreach (DynamicListRow row in Rows)
{
if (yPos + row.Height > 0 && yPos < clientSize.Height)
{
xPos = 0;
for (columnIndex = 0; columnIndex < columns.Count; columnIndex++)
{
DynamicListColumn col = columns[columnIndex];
Rectangle rect = new Rectangle(xPos, yPos, col.Width, row.Height);
if (columnIndex == columns.Count - 1)
{
rect.Width = clientSize.Width - 1 - rect.Left;
}
DynamicListItem item = row[columnIndex];
Control ctl = item.Control;
if (ctl != null)
{
allowedControls.Add(ctl);
if (rect != ctl.Bounds)
{
ctl.Bounds = rect;
}
if (!this.Controls.Contains(ctl))
{
this.Controls.Add(ctl);
this.Controls.SetChildIndex(ctl, controlIndex);
}
controlIndex += 1;
}
else
{
item.PaintTo(e.Graphics, rect, this, col, item == itemAtMousePosition);
}
xPos += col.Width + 1;
}
}
yPos += row.Height + lineMarginY;
}
xPos = 0;
Form containerForm = FindForm();
bool isFocused;
if (containerForm is IActivatable)
{
isFocused = (containerForm as IActivatable).IsActivated;
}
else
{
isFocused = this.Focused;
}
for (columnIndex = 0; columnIndex < columns.Count - 1; columnIndex++)
{
DynamicListColumn col = columns[columnIndex];
xPos += col.Width + 1;
Color separatorColor;
if (isFocused)
{
separatorColor = col.ColumnSeperatorColor;
if (separatorColor.IsEmpty)
{
separatorColor = col.ColumnSeperatorColorInactive;
}
}
else
{
separatorColor = col.ColumnSeperatorColorInactive;
if (separatorColor.IsEmpty)
{
separatorColor = col.ColumnSeperatorColor;
}
}
if (separatorColor.IsEmpty)
{
separatorColor = BackColor;
}
using (Pen separatorPen = new Pen(separatorColor)) {
e.Graphics.DrawLine(separatorPen, xPos - 1, 1, xPos - 1, Math.Min(clientSize.Height, yPos) - 2);
}
}
removedControls.Clear();
foreach (Control ctl in Controls)
{
if (!allowedControls.Contains(ctl))
{
removedControls.Add(ctl);
}
}
foreach (Control ctl in removedControls)
{
Debug.WriteLine("Removing control");
Controls.Remove(ctl);
Debug.WriteLine("Control removed");
}
allowedControls.Clear();
removedControls.Clear();
base.OnPaint(e);
}