private void ListBox_SelectedIndexChanged(object sender, EventArgs e)
{
if (!handleSelectedIndexChanged)
{
return;
}
handleSelectedIndexChanged = false;
XNAListBox lbSender = (XNAListBox)sender;
foreach (XNAListBox lb in listBoxes)
{
lb.SelectedIndex = lbSender.SelectedIndex;
}
SelectedIndex = lbSender.SelectedIndex;
if (SelectedIndexChanged != null)
{
SelectedIndexChanged(this, EventArgs.Empty);
}
handleSelectedIndexChanged = true;
}
/// <summary>
/// Creates a column with the given header and list box.
/// </summary>
/// <param name="header">The header panel.</param>
/// <param name="listBox">The list box.</param>
public void AddColumn(XNAPanel header, XNAListBox listBox)
{
AdjustExistingListBoxes();
int width = GetExistingWidth();
header.ClientRectangle = new Rectangle(width, 0, header.Width, header.Height);
headers.Add(header);
listBox.Name = Name + "_lb" + listBoxes.Count;
listBox.ClientRectangle = new Rectangle(width, header.Bottom - 1,
header.Width, Height - header.Bottom + 1);
listBox.DrawBorders = DrawListBoxBorders;
listBox.LineHeight = LineHeight;
listBox.TopIndexChanged += ListBox_TopIndexChanged;
listBox.SelectedIndexChanged += ListBox_SelectedIndexChanged;
listBox.AllowMultiLineItems = false;
listBox.AllowKeyboardInput = this.AllowKeyboardInput;
listBox.AllowRightClickUnselect = AllowRightClickUnselect;
listBox.RightClick += ListBox_RightClick;
listBoxes.Add(listBox);
AddChild(listBox);
AddChild(header);
}
/// <summary>
/// Creates a column with the given header and an automatically generated list box.
/// The width of the header defines the width of the list box.
/// </summary>
/// <param name="header">The header panel.</param>
public void AddColumn(XNAPanel header)
{
XNAListBox listBox = new XNAListBox(WindowManager);
listBox.FontIndex = FontIndex;
listBox.TextBorderDistance = 5;
AddColumn(header, listBox);
}
private void AdjustExistingListBoxes()
{
if (listBoxes.Count > 0)
{
XNAListBox lb = listBoxes[listBoxes.Count - 1];
lb.EnableScrollbar = false;
if (DrawListBoxBorders)
{
lb.Width++;
headers[headers.Count - 1].Width++;
}
else
{
lb.Width += 2;
}
}
}
/// <summary>
/// Adjusts the positions and sizes of the columns
/// when the size of the list box is changed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void XNAMultiColumnListBox_ClientRectangleUpdated(object sender, EventArgs e)
{
if (listBoxes.Count == 0)
{
return;
}
// Adjust size of columns
foreach (XNAListBox lb in listBoxes)
{
lb.Height = Height - lb.Y;
}
XNAListBox lastListBox = listBoxes[listBoxes.Count - 1];
XNAPanel lastHeader = headers[headers.Count - 1];
int lastColumnWidth = Width -
listBoxes[listBoxes.Count - 1].X;
lastListBox.Width = lastColumnWidth;
lastHeader.Width = lastColumnWidth;
}