/// <summary>
/// Checks if other was selected and handles.
/// </summary>
/// <param name="sender">The split list box.</param>
/// <param name="e">Selected Event Args.</param>
private void SplitListBoxItem_Selected(object sender, SelectedEventArgs e)
{
if (e.SelectedItem == this.OtherItem)
{
e.Handled = true;
this.ConfirmedSelectedItem = null;
SplitListBoxItem splitListBoxItem = sender as SplitListBoxItem;
splitListBoxItem.IsSelectedValue = false;
if (this.OtherItemsSource != null)
{
this.ShowOtherItems = true;
}
if (this.OtherSelected != null)
{
this.OtherSelected(this, EventArgs.Empty);
}
}
else
{
this.SelectedItem = e.SelectedItem;
this.ConfirmedSelectedItem = e.SelectedItem;
if (this.ConfirmedSelectedItem != null)
{
this.ScrollIntoView(this.ConfirmedSelectedItem);
}
}
}
/// <summary>
/// Updates the computed header visibility.
/// </summary>
/// <param name="obj">The headered list box item.</param>
/// <param name="args">Dependency Property Changed Event Args.</param>
private static void Header_Changed(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
SplitListBoxItem splitListBoxItem = obj as SplitListBoxItem;
if (args.NewValue != null)
{
splitListBoxItem.SetValue(SplitListBoxItem.ComputedHeaderVisibilityProperty, Visibility.Visible);
}
else
{
splitListBoxItem.SetValue(SplitListBoxItem.ComputedHeaderVisibilityProperty, Visibility.Collapsed);
}
}
/// <summary>
/// SplitListBoxItemAutomationPeer constructor.
/// </summary>
/// <param name="splitListBoxItem">The split list box item instance.</param>
/// <param name="parent">The parent selector peer.</param>
public SplitListBoxItemAutomationPeer(SplitListBoxItem splitListBoxItem, SelectorAutomationPeer parent)
: base(splitListBoxItem, parent)
{
this.splitListBoxItem = splitListBoxItem;
this.parent = parent;
}
/// <summary>
/// SplitListBoxItemAutomationPeer constructor.
/// </summary>
/// <param name="splitListBoxItem">The split list box item instance.</param>
/// <param name="parent">The parent selector peer.</param>
public SplitListBoxItemAutomationPeer(SplitListBoxItem splitListBoxItem, SelectorAutomationPeer parent)
: base(splitListBoxItem, parent)
{
this.splitListBoxItem = splitListBoxItem;
this.parent = parent;
}
/// <summary>
/// Prepares the split list box item.
/// </summary>
/// <param name="element">The split list box item.</param>
/// <param name="item">The item object.</param>
protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
base.PrepareContainerForItemOverride(element, item);
if (this.verticalScrollBar == null)
{
this.verticalScrollBar = this.GetVerticalScrollBar(element) as ScrollBar;
if (this.verticalScrollBar != null)
{
this.verticalScrollBar.Scroll += new ScrollEventHandler(this.VerticalScrollBar_Scroll);
this.verticalScrollBar.ValueChanged += new RoutedPropertyChangedEventHandler <double>(this.VerticalScrollBar_ValueChanged);
}
}
SplitListBoxItem splitListBoxItem = element as SplitListBoxItem;
if (splitListBoxItem != null)
{
splitListBoxItem.ParentSplitListBox = this;
splitListBoxItem.ItemSelected += new EventHandler <SelectedEventArgs>(this.SplitListBoxItem_Selected);
if (!this.containersByItem.ContainsKey(item))
{
this.containersByItem.Add(item, splitListBoxItem);
}
else
{
this.containersByItem[item] = splitListBoxItem;
}
if (this.ItemHeaderTemplate != null)
{
splitListBoxItem.HeaderTemplate = this.ItemHeaderTemplate;
}
if (this.itemHeadersByItem.ContainsKey(item))
{
splitListBoxItem.Header = this.itemHeadersByItem[item];
this.itemHeadersByItem.Remove(item);
}
if (this.shortcutKeysByItem.ContainsKey(item))
{
splitListBoxItem.ShortcutKeyText = ShortcutKeyHelper.ShortcutKeyPrefix + ShortcutKeyHelper.GetKeyAsString(this.shortcutKeysByItem[item]);
splitListBoxItem.ShortcutKeyTextOpacity = this.showingShortcutKeys ? 1.0 : 0.0;
}
if (this.splitItems.Contains(item))
{
splitListBoxItem.SplitBorderThickness = this.SplitBorderThickness;
splitListBoxItem.SplitBorderBrush = this.SplitBorderBrush;
}
if (item == this.OtherItem && this.OtherItemTemplate != null)
{
splitListBoxItem.ContentTemplate = this.OtherItemTemplate;
}
else if (item == this.CustomValueItem && this.CustomValueItemTemplate != null)
{
splitListBoxItem.ContentTemplate = this.CustomValueItemTemplate;
}
this.UpdateItemBackgrounds();
}
}
/// <summary>
/// Updates the visual state of the control.
/// </summary>
/// <param name="obj">The CascadingListBoxItem.</param>
/// <param name="args">Dependency Property Changed Event Args.</param>
private static void IsSelectedValue_Changed(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
SplitListBoxItem splitListBoxItem = obj as SplitListBoxItem;
splitListBoxItem.UpdateVisualState(true);
}
/// <summary>
/// SplitListBoxItemAutomationPeer constructor.
/// </summary>
/// <param name="splitListBoxItem">The split list box item instance.</param>
public SplitListBoxItemAutomationPeer(SplitListBoxItem splitListBoxItem)
: base(splitListBoxItem)
{
this.splitListBoxItem = splitListBoxItem;
}
