/// <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 items source of a split items control.
/// </summary>
/// <param name="splitItemsControl">The split items control.</param>
public static void UpdateItemsSource(ISplitItemsControl splitItemsControl)
{
#if !SILVERLIGHT
if (System.ComponentModel.DesignerProperties.GetIsInDesignMode(splitItemsControl as DependencyObject))
{
return;
}
#endif
List <object> items = new List <object>();
if (splitItemsControl.PrimaryItemsSource != null)
{
items.AddRange(IEnumerableHelper.GetItems(splitItemsControl.PrimaryItemsSource));
if (items.Count > 0)
{
for (int i = 0; i < items.Count; i++)
{
if (splitItemsControl.PrimaryItemsSourceHeader != null)
{
splitItemsControl.AddItemHeader(items[i], null);
}
if (splitItemsControl.AddShortcutKeysToPrimaryItems && i <= 10)
{
splitItemsControl.AddItemShortcutKey(items[i], ShortcutKeyHelper.GetKeyFromIndex(i));
}
else
{
splitItemsControl.RemoveItemShortcutKey(items[i], ShortcutKeyHelper.GetKeyFromIndex(i));
}
splitItemsControl.RemoveItemSplit(items[i]);
}
splitItemsControl.AddItemHeader(items[0], splitItemsControl.PrimaryItemsSourceHeader);
}
}
if (splitItemsControl.SecondaryItemsSource != null)
{
if (items.Count > 0)
{
splitItemsControl.AddItemSplit(items[items.Count - 1]);
}
int itemCount = items.Count;
items.AddRange(IEnumerableHelper.GetItems(splitItemsControl.SecondaryItemsSource));
if (splitItemsControl.SecondaryItemsSourceHeader != null && items.Count > itemCount)
{
for (int i = itemCount; i < items.Count; i++)
{
splitItemsControl.AddItemHeader(items[i], null);
splitItemsControl.RemoveItemSplit(items[i]);
}
splitItemsControl.AddItemHeader(items[itemCount], splitItemsControl.SecondaryItemsSourceHeader);
}
}
if (splitItemsControl.ShowCustomValueOption && splitItemsControl.CustomValueItem != null)
{
if (items.Count > 0)
{
splitItemsControl.AddItemSplit(items[items.Count - 1]);
}
items.Add(splitItemsControl.CustomValueItem);
}
if (splitItemsControl.OtherItemsSource != null && splitItemsControl.ShowOtherItems)
{
if (items.Count > 0)
{
splitItemsControl.AddItemSplit(items[items.Count - 1]);
}
int itemCount = items.Count;
items.AddRange(IEnumerableHelper.GetItems(splitItemsControl.OtherItemsSource));
if (splitItemsControl.OtherItemsSourceHeader != null && items.Count > itemCount)
{
for (int i = itemCount; i < items.Count; i++)
{
splitItemsControl.AddItemHeader(items[i], null);
splitItemsControl.RemoveItemSplit(items[i]);
}
splitItemsControl.AddItemHeader(items[itemCount], splitItemsControl.OtherItemsSourceHeader);
}
}
else if (splitItemsControl.ShowOtherOption)
{
if (items.Count > 0)
{
splitItemsControl.AddItemSplit(items[items.Count - 1]);
}
items.Add(splitItemsControl.OtherItem);
}
splitItemsControl.ItemsSource = items;
#if !SILVERLIGHT
if (splitItemsControl is SplitComboBox)
{
object selectedItem = null;
foreach (object item in items)
{
SplitComboBoxItem splitComboBoxItem = item as SplitComboBoxItem;
if (splitComboBoxItem != null && splitComboBoxItem.IsSelected)
{
selectedItem = item;
break;
}
}
if (selectedItem != null)
{
splitItemsControl.SelectedItem = selectedItem;
}
}
#endif
}
/// <summary>
/// Adds a shortcut key to an item.
/// </summary>
/// <param name="item">The item to add the key too.</param>
/// <param name="key">The short cut key.</param>
public void AddItemShortcutKey(object item, Key?key)
{
if (key.HasValue && item != null)
{
if (this.itemsByShortcutKey.ContainsKey(key.Value))
{
this.itemsByShortcutKey[key.Value] = item;
}
else
{
this.itemsByShortcutKey.Add(key.Value, item);
}
if (this.shortcutKeysByItem.ContainsKey(item))
{
this.shortcutKeysByItem[item] = key.Value;
}
else
{
this.shortcutKeysByItem.Add(item, key.Value);
}
if (this.containersByItem.ContainsKey(item))
{
this.containersByItem[item].ShortcutKeyText = ShortcutKeyHelper.ShortcutKeyPrefix + ShortcutKeyHelper.GetKeyAsString(key.Value);
this.containersByItem[item].ShortcutKeyTextOpacity = this.showingShortcutKeys ? 1.0 : 0.0;
}
}
}
