// Coerce content
static object CoerceContent(DependencyObject d, object basevalue)
{
StatusBarItem item = (StatusBarItem)d;
// if content is null returns value
if ((basevalue == null) && (item.Value != null))
{
return(item.Value);
}
return(basevalue);
}
// Handles IsChecked changed
private static void OnIsCheckedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StatusBarItem item = d as StatusBarItem;
item.CoerceValue(VisibilityProperty);
if ((bool)e.NewValue)
{
item.RaiseChecked();
}
else
{
item.RaiseUnchecked();
}
}
// Creates menu
private void RecreateMenu()
{
contextMenu.Items.Clear();
// Adding header separator
contextMenu.Items.Add(new GroupSeparatorMenuItem());
RibbonControl.Bind(Ribbon.Localization, contextMenu.Items[0] as FrameworkElement, "CustomizeStatusBar", MenuItem.HeaderProperty, BindingMode.OneWay);
for (int i = 0; i < Items.Count; i++)
{
StatusBarItem item = Items[i] as StatusBarItem;
if (item != null)
{
item.Checked += OnItemChecked;
item.Unchecked += OnItemUnchecked;
contextMenu.Items.Add(new StatusBarMenuItem(item));
}
else
{
contextMenu.Items.Add(new Separator());
}
}
UpdateSeparartorsVisibility();
}
/// <summary>
/// Invoked when the <see cref="P:System.Windows.Controls.ItemsControl.Items"/> property changes.
/// </summary>
/// <param name="e">Information about the change.</param>
protected override void OnItemsChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
base.OnItemsChanged(e);
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
{
for (int i = 0; i < e.NewItems.Count; i++)
{
StatusBarItem item = e.NewItems[i] as StatusBarItem;
if (item != null)
{
item.Checked += OnItemChecked;
item.Unchecked += OnItemUnchecked;
contextMenu.Items.Insert(e.NewStartingIndex + i + 1, new StatusBarMenuItem(item));
}
else
{
contextMenu.Items.Insert(e.NewStartingIndex + i + 1, new Separator());
}
}
break;
}
case NotifyCollectionChangedAction.Move:
{
for (int i = 0; i < e.NewItems.Count; i++)
{
object menuItem = contextMenu.Items[e.OldStartingIndex + 1];
contextMenu.Items.RemoveAt(e.OldStartingIndex + 1);
contextMenu.Items.Insert(e.NewStartingIndex + i + 1, menuItem);
}
break;
}
case NotifyCollectionChangedAction.Remove:
{
for (int i = 0; i < e.OldItems.Count; i++)
{
StatusBarMenuItem menuItem = contextMenu.Items[e.OldStartingIndex + 1] as StatusBarMenuItem;
if (menuItem != null)
{
menuItem.StatusBarItem.Checked += OnItemChecked;
menuItem.StatusBarItem.Unchecked += OnItemUnchecked;
}
contextMenu.Items.RemoveAt(e.OldStartingIndex + 1);
}
break;
}
case NotifyCollectionChangedAction.Replace:
{
for (int i = 0; i < e.OldItems.Count; i++)
{
StatusBarMenuItem menuItem = contextMenu.Items[e.OldStartingIndex + 1] as StatusBarMenuItem;
if (menuItem != null)
{
menuItem.StatusBarItem.Checked += OnItemChecked;
menuItem.StatusBarItem.Unchecked += OnItemUnchecked;
}
contextMenu.Items.RemoveAt(e.OldStartingIndex + 1);
}
for (int i = 0; i < e.NewItems.Count; i++)
{
StatusBarItem item = e.NewItems[i] as StatusBarItem;
if (item != null)
{
item.Checked += OnItemChecked;
item.Unchecked += OnItemUnchecked;
contextMenu.Items.Insert(e.NewStartingIndex + i + 1, new StatusBarMenuItem(item));
}
else
{
contextMenu.Items.Insert(e.NewStartingIndex + i + 1, new Separator());
}
}
break;
}
case NotifyCollectionChangedAction.Reset:
{
RecreateMenu();
break;
}
}
}
static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StatusBarItem item = (StatusBarItem)d;
item.CoerceValue(ContentProperty);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="item">Ribbon Status Bar menu item</param>
public StatusBarMenuItem(StatusBarItem item)
{
this.StatusBarItem = item;
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="item">Ribbon Status Bar menu item</param>
public StatusBarMenuItem(StatusBarItem item)
{
this.StatusBarItem = item;
}