//TODO: Menu needs too long to render if there are too many items (> 20000).
void contextMenu_Opened(object sender, RoutedEventArgs e)
{
contextMenu.Items.Clear();
contextMenu.ItemTemplate = ItemTemplate;
contextMenu.ItemTemplateSelector = ItemTemplateSelector;
// List<MenuItem> menuItems = new List<MenuItem>();
foreach (object item in Items)
{
if (!(item is MenuItem) && !(item is Separator))
{
RibbonMenuItem menuItem = new RibbonMenuItem();
menuItem.DataContext = item;
BreadcrumbItem bi = item as BreadcrumbItem;
if (bi == null)
{
BreadcrumbItem parent = TemplatedParent as BreadcrumbItem;
if (parent != null)
{
bi = parent.ContainerFromItem(item);
}
}
if (bi != null)
{
menuItem.Header = bi.TraceValue;
}
Image image = new Image();
image.Source = bi != null ? bi.Image : null;
image.SnapsToDevicePixels = true;
image.Stretch = Stretch.Fill;
image.VerticalAlignment = VerticalAlignment.Center;
image.HorizontalAlignment = HorizontalAlignment.Center;
image.Width = 16;
image.Height = 16;
menuItem.Icon = image;
menuItem.Click += new RoutedEventHandler(item_Click);
if (item != null && item.Equals(SelectedItem))
{
menuItem.FontWeight = FontWeights.Bold;
}
menuItem.ItemTemplate = ItemTemplate;
menuItem.ItemTemplateSelector = ItemTemplateSelector;
contextMenu.Items.Add(menuItem);
}
else
{
contextMenu.Items.Add(item);
}
}
contextMenu.Placement = PlacementMode.Relative;
contextMenu.PlacementTarget = dropDownBtn;
contextMenu.VerticalOffset = dropDownBtn.ActualHeight;
}
void rItem_MouseEnter(object sender, MouseEventArgs e)
{
RibbonMenuItem item = sender as RibbonMenuItem;
if (item.HasItems)
{
selectedItem = item;
EnsureTimer().Start();
}
}
void rItem_MouseLeave(object sender, MouseEventArgs e)
{
if (timer != null)
{
timer.Stop();
}
selectedItem = null;
RibbonMenuItem item = sender as RibbonMenuItem;
item.IsSubmenuOpen = false;
}
void timer_Elapsed(object sender, ElapsedEventArgs e)
{
timer.Stop();
RibbonMenuItem item = selectedItem;
if (item != null)
{
MyFunc d = delegate() { item.IsSubmenuOpen = true; };
this.Dispatcher.BeginInvoke(d);
}
}
protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
base.PrepareContainerForItemOverride(element, item);
RibbonMenuItem rItem = item as RibbonMenuItem;
if (rItem != null)
{
rItem.MouseEnter += new MouseEventHandler(rItem_MouseEnter);
rItem.MouseLeave += new MouseEventHandler(rItem_MouseLeave);
}
}
private static void NamePropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
string value = e.NewValue as string;
IRibbonButton btn = o as IRibbonButton;
if (btn != null)
{
btn.SmallImage = CreateImageSource(value, 16);
btn.LargeImage = CreateImageSource(value, 32);
return;
}
RibbonApplicationMenuItem apItem = o as RibbonApplicationMenuItem;
if (apItem != null)
{
apItem.Image = CreateImageSource(value, 32);
return;
}
RibbonMenuItem item = o as RibbonMenuItem;
if (item != null)
{
item.Image = CreateImageSource(value, 16);
return;
}
RibbonComboBox box = o as RibbonComboBox;
if (box != null)
{
box.Image = CreateImageSource(value, 16);
return;
}
RibbonTextBox tb = o as RibbonTextBox;
if (tb != null)
{
tb.Image = CreateImageSource(value, 16);
return;
}
throw new ArgumentNullException("RibbonSrc.Name can only by attached to controls that implement IRibbonButton.");
}
/// <summary>
/// Build the list of traces for the overflow button.
/// </summary>
private void BuildTraces()
{
BreadcrumbItem item = RootItem;
traces.Clear();
if (item != null && item.IsOverflow)
{
foreach (object trace in item.Items)
{
MenuItem menuItem = new RibbonMenuItem();
menuItem.Tag = trace;
BreadcrumbItem bcItem = item.ContainerFromItem(trace);
menuItem.Click += new RoutedEventHandler(menuItem_Click);
menuItem.Icon = GetImage(bcItem != null ? bcItem.Image : null);
if (trace == RootItem.SelectedItem) menuItem.FontWeight = FontWeights.Bold;
traces.Add(menuItem);
if (bcItem != null) menuItem.Header = bcItem.TraceValue;
}
traces.Insert(0, new Separator());
MenuItem rootMenuItem = new RibbonMenuItem();
rootMenuItem.Header = item.TraceValue;
rootMenuItem.Command = BreadcrumbBar.SelectRootCommand;
rootMenuItem.CommandParameter = item;
rootMenuItem.Icon = GetImage(item.Image);
traces.Insert(0, rootMenuItem);
}
item = item != null ? item.SelectedBreadcrumb : null;
while (item != null)
{
if (!item.IsOverflow) break;
MenuItem traceMenuItem = new MenuItem();
traceMenuItem.Header = item.TraceValue;
traceMenuItem.Command = BreadcrumbBar.SelectRootCommand;
traceMenuItem.CommandParameter = item;
traceMenuItem.Icon = GetImage(item.Image);
traces.Insert(0, traceMenuItem);
item = item.SelectedBreadcrumb;
}
}
void rItem_MouseEnter(object sender, MouseEventArgs e)
{
RibbonMenuItem item = sender as RibbonMenuItem;
if (item.HasItems)
{
selectedItem = item;
EnsureTimer().Start();
}
}
void rItem_MouseLeave(object sender, MouseEventArgs e)
{
if (timer != null) timer.Stop();
selectedItem = null;
RibbonMenuItem item = sender as RibbonMenuItem;
item.IsSubmenuOpen = false;
}
//TODO: Menu needs too long to render if there are too many items (> 20000).
void contextMenu_Opened(object sender, RoutedEventArgs e)
{
contextMenu.Items.Clear();
//contextMenu.ItemTemplate = this.bre.BreadcrumbBar.DropDownItemTemplate;
//contextMenu.ItemTemplateSelector = bi.BreadcrumbBar.DropDownItemTemplateSelector;
// List<MenuItem> menuItems = new List<MenuItem>();
foreach (object item in Items)
{
if (!(item is MenuItem) && !(item is Separator))
{
RibbonMenuItem menuItem = new RibbonMenuItem();
menuItem.DataContext = item;
BreadcrumbItem bi = item as BreadcrumbItem;
if (bi == null)
{
BreadcrumbItem parent = TemplatedParent as BreadcrumbItem;
if (parent != null) bi = parent.ContainerFromItem(item);
}
if (bi != null)
{
if (bi.BreadcrumbBar.DropDownItemTemplate == null)
{
menuItem.Header = bi.TraceValue;
menuItem.Background = new SolidColorBrush(Colors.Yellow);
Image image = new Image();
image.Source = bi != null ? bi.Image : null;
image.SnapsToDevicePixels = true;
image.Stretch = Stretch.Fill;
image.VerticalAlignment = VerticalAlignment.Center;
image.HorizontalAlignment = HorizontalAlignment.Center;
image.Width = 16;
image.Height = 16;
menuItem.Icon = image;
}
else
{
contextMenu.ItemTemplate = bi.BreadcrumbBar.DropDownItemTemplate;
menuItem.ItemTemplate = bi.BreadcrumbBar.DropDownItemTemplate;
}
}
menuItem.Click += new RoutedEventHandler(item_Click);
if (item != null && item.Equals(SelectedItem)) menuItem.FontWeight = FontWeights.Bold;
contextMenu.Items.Add(menuItem);
}
else
{
//contextMenu.ItemTemplate = bi.BreadcrumbBar.DropDownItemTemplate;
//menuItem.ItemTemplate = bi.BreadcrumbBar.DropDownItemTemplate;
contextMenu.Items.Add(item);
}
}
contextMenu.Placement = PlacementMode.Relative;
contextMenu.PlacementTarget = dropDownBtn;
contextMenu.VerticalOffset = dropDownBtn.ActualHeight;
}
//TODO: Menu needs too long to render if there are too many items (> 20000).
private void contextMenu_Opened(object sender, RoutedEventArgs e)
{
contextMenu.Items.Clear();
contextMenu.ItemTemplate = ItemTemplate;
contextMenu.ItemTemplateSelector = ItemTemplateSelector;
// List<MenuItem> menuItems = new List<MenuItem>();
foreach (object item in Items)
{
if (!(item is MenuItem) && !(item is Separator))
{
var menuItem = new RibbonMenuItem();
menuItem.DataContext = item;
var bi = item as BreadcrumbItem;
if (bi == null)
{
var parent = TemplatedParent as BreadcrumbItem;
if (parent != null)
bi = parent.ContainerFromItem(item);
}
if (bi != null)
menuItem.Header = bi.TraceValue;
var image = new Image();
image.Source = bi != null
? bi.Image
: null;
image.SnapsToDevicePixels = true;
image.Stretch = Stretch.Fill;
image.VerticalAlignment = VerticalAlignment.Center;
image.HorizontalAlignment = HorizontalAlignment.Center;
image.Width = 16;
image.Height = 16;
menuItem.Icon = image;
menuItem.Click += item_Click;
if (item != null && item.Equals(SelectedItem))
menuItem.FontWeight = FontWeights.Bold;
menuItem.ItemTemplate = ItemTemplate;
menuItem.ItemTemplateSelector = ItemTemplateSelector;
contextMenu.Items.Add(menuItem);
}
else
{
contextMenu.Items.Add(item);
}
}
contextMenu.Placement = PlacementMode.Relative;
contextMenu.PlacementTarget = dropDownBtn;
contextMenu.VerticalOffset = dropDownBtn.ActualHeight;
}