protected override Size ArrangeOverride(Size finalSize)
{
double curY = 0;
List <Step> steps = new List <Step>();
foreach (FrameworkElement child in Children)
{
Rect allocatedRect = new Rect(0, curY, finalSize.Width, child.DesiredSize.Height);
child.Arrange(allocatedRect);
double midPoint = finalSize.Height - ((allocatedRect.Top + allocatedRect.Bottom) / 2.0d);
//double midPoint = finalSize.Height - ((curY + item.HeaderHeight) / 2.0d);
if (child is ToolbarMenuItem)
{
ToolbarMenuItem item = (ToolbarMenuItem)child;
if (!item.IsSeparator)
{
steps.Add(new Step(midPoint, item.SliderStep, item.IsStepStop));
}
}
curY += child.DesiredSize.Height;
}
Steps = new ObservableCollection <Step>(steps.OrderBy <Step, double>(x => x.Posision));
return(finalSize);
}
public ToolbarMenuItem()
: base()
{
this.AddHandler(Button.ClickEvent, (RoutedEventHandler) delegate(object sender, RoutedEventArgs e)
{
////buttonContent clicked, see ToolbarTemplates.xaml
//if (Command != null)
//{
// Command.Execute(null);
// e.Handled = true;
//}
});
this.AddHandler(ToolbarMenuItem.ClickEvent, (RoutedEventHandler) delegate(object sender, RoutedEventArgs e)
{
if (IsSliderEnabled)
{
if (e.OriginalSource is ToolbarMenuItem)
{
ToolbarMenuItem item = (ToolbarMenuItem)e.OriginalSource;
SliderValue = item.SliderStep;
}
}
});
//Template = (ControlTemplate)this.TryFindResource("TopLevelItemTemplateKey");
this.AddHandler(ToolbarMenuItem.LoadedEvent, (RoutedEventHandler) delegate(object sender, RoutedEventArgs e)
{
if (this.Role == MenuItemRole.TopLevelItem)
{
Template = (ControlTemplate)this.TryFindResource("TopLevelItemTemplateKey");
}
});
//Monitor Command Changed
DependencyPropertyDescriptor isHeaderToggledescriptor = DependencyPropertyDescriptor.FromProperty
(MenuItem.CommandProperty, typeof(ToolbarMenuItem));
isHeaderToggledescriptor.AddValueChanged(this, new EventHandler(delegate
{
IsHeaderTogglePopup = Command == null;
}));
DependencyPropertyDescriptor roleDescriptor = DependencyPropertyDescriptor.FromProperty(MenuItem.RoleProperty, typeof(ToolbarMenuItem));
roleDescriptor.AddValueChanged(this, new EventHandler(delegate
{
switch (this.Role)
{
case MenuItemRole.TopLevelItem:
Template = (ControlTemplate)this.TryFindResource("TopLevelItemTemplateKey");
break;
case MenuItemRole.TopLevelHeader:
Template = (ControlTemplate)this.TryFindResource("TopLevelHeaderTemplateKey");
break;
case MenuItemRole.SubmenuItem:
Template = (ControlTemplate)this.TryFindResource("SubmenuItemTemplateKey");
break;
case MenuItemRole.SubmenuHeader:
Template = (ControlTemplate)this.TryFindResource("SubmenuHeaderTemplateKey");
break;
}
}));
}
private static void OnCommandChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
ToolbarMenuItem item = (ToolbarMenuItem)sender;
item.IsHeaderTogglePopup = (e.NewValue != null);
}