public void Remove(ListBoxItem item)
{
_items.Remove(item);
item.SetListBox(null);
}
object ListBox_UpdateWindow(object obj)
{
maxW = 0;
lbx = new ListBox();
lbis = new ListBoxItem[_colors.Length];
Random random = new Random();
for (int i = 0; i < _colors.Length; i++)
{
lbis[i] = new ListBoxItem();
Rectangle rect = new Rectangle();
int wd = _rectW + random.Next(100);
if (wd > maxW)
{
maxW = wd;
}
if (uniformW)
{
rect.Width = _rectW;
}
else
{
rect.Width = wd;
}
rect.Height = _rectH;
rect.Fill = new SolidColorBrush(_colors[i]);
lbis[i].Child = rect;
lbx.Items.Add(lbis[i]);
}
lbx.VerticalOffset = _vOffset;
lbx.HorizontalOffset = _hOffset;
lbx.SelectedIndex = index;
lbxItemColl = lbx.Items;
_getSelectedIndex = lbx.SelectedIndex;
_getSelectedItem = lbx.SelectedItem;
mainWindow.Child = lbx;
return null;
}
public int IndexOf(ListBoxItem item)
{
return _items.IndexOf(item);
}
public void Insert(int index, ListBoxItem item)
{
_items.Insert(index, item);
item.SetListBox(_listBox);
}
public bool Contains(ListBoxItem item)
{
return _items.Contains(item);
}
public int Add(UIElement element)
{
ListBoxItem item = new ListBoxItem();
item.Child = element;
return Add(item);
}
public int Add(ListBoxItem item)
{
int pos = _items.Add(item);
item.SetListBox(_listBox);
return pos;
}
public void ScrollIntoView(ListBoxItem item)
{
VerifyAccess();
if (!Items.Contains(item)) return;
int panelX, panelY;
_panel.GetLayoutOffset(out panelX, out panelY);
int x, y;
item.GetLayoutOffset(out x, out y);
int top = y + panelY;
int bottom = top + item._renderHeight;
// Make sure bottom of item is in view
//
if (bottom > _scrollViewer._renderHeight)
{
_scrollViewer.VerticalOffset -= (_scrollViewer._renderHeight - bottom);
}
// Make sure top of item is in view
//
if (top < 0)
{
_scrollViewer.VerticalOffset += top;
}
}
/// <summary>
/// Creates all WPF controls of the window
/// </summary>
private void InitializeComponents()
{
this.Width = SystemMetrics.ScreenWidth;
this.Height = SystemMetrics.ScreenHeight;
this.Background = new SolidColorBrush(Colors.Black);
Image logoImage = new Image(Resources.GetBitmap(Resources.BitmapResources.Logo));
#region ListBox event handler
Color selectedItemColor = Colors.White;
Color unselectedItemColor = ColorUtility.ColorFromRGB(206, 206, 206);
Brush selectedBackground = new SolidColorBrush(ColorUtility.ColorFromRGB(0, 148, 255));
menuListBox = new ListBox();
menuListBox.Background = this.Background;
menuListBox.HorizontalAlignment = HorizontalAlignment.Center;
// Event handler for menu items
menuListBox.SelectionChanged += delegate(object sender, SelectionChangedEventArgs e)
{
int previousSelectedIndex = e.PreviousSelectedIndex;
if (previousSelectedIndex != -1)
{
// Change previously-selected listbox item color to unselected color
((Text)menuListBox.Items[previousSelectedIndex].Child).ForeColor = unselectedItemColor;
menuListBox.Items[previousSelectedIndex].Background = menuListBox.Background;
}
// Change newly-selected listbox item color to selected color and background
((Text)menuListBox.Items[e.SelectedIndex].Child).ForeColor = selectedItemColor;
menuListBox.Items[e.SelectedIndex].Background = selectedBackground;
};
#endregion
#region Menu Items
// Menu items from resources
string[] menuItems = new string[4] { Resources.GetString(Resources.StringResources.RookieLevel),
Resources.GetString(Resources.StringResources.AdvancedLevel),
Resources.GetString(Resources.StringResources.ExtremeLevel),
Resources.GetString(Resources.StringResources.ViewHighScore)};
// Add items into listbox
foreach(string item in menuItems)
{
Text itemText = new Text(Resources.GetFont(Resources.FontResources.NinaB), item);
itemText.Width = this.Width - 40;
itemText.ForeColor = unselectedItemColor;
itemText.TextAlignment = TextAlignment.Center;
itemText.SetMargin(5);
ListBoxItem listBoxItem = new ListBoxItem();
listBoxItem.Background = menuListBox.Background;
listBoxItem.Child = itemText;
menuListBox.Items.Add(listBoxItem);
}
menuListBox.SelectedIndex = 0;
#endregion
// Add all controls to stack panel
StackPanel mainStackPanel = new StackPanel(Orientation.Vertical);
mainStackPanel.Children.Add(logoImage);
mainStackPanel.Children.Add(menuListBox);
this.Child = mainStackPanel;
this.Visibility = Visibility.Visible;
Buttons.Focus(menuListBox);
}