/// <summary>
/// Shows the drop down items of the button, as if the dropdown part has been clicked
/// </summary>
public void ShowDropDown()
{
if (Style == RibbonButtonStyle.Normal || DropDownItems.Count == 0)
{
CloseDropDown();
return;
}
IgnoreDeactivation();
_dropDown = new RibbonDropDown(this, DropDownItems, Owner);
_dropDown.VisibleChanged += new EventHandler(_dropDown_VisibleChanged);
//_dropDown.StartPosition = FormStartPosition.Manual;
RibbonDropDown canvasdd = Canvas as RibbonDropDown;
Point location = Point.Empty;
if (canvasdd != null)
{
location = Canvas.PointToScreen(new Point(Bounds.Right, Bounds.Top));
_dropDown.PreviousDropDown = Canvas as RibbonDropDown;
canvasdd.NextDropDown = _dropDown;
}
else
{
location = Canvas.PointToScreen(new Point(Bounds.Left, Bounds.Bottom));
}
SetDropDownVisible(true);
_dropDown.SelectionService = GetService(typeof(ISelectionService)) as ISelectionService;
_dropDown.Show(location);
}
/// <summary>
/// Feeds mouse Wheel. If applied on a IScrollableItem it's sended to it
/// </summary>
/// <param name="e"></param>
/// <returns>True if handled. False otherwise</returns>
internal static bool FeedMouseWheel(MouseEventArgs e)
{
RibbonDropDown dd = LastPopup as RibbonDropDown;
if (dd != null)
{
foreach (RibbonItem item in dd.Items)
{
if (dd.RectangleToScreen(item.Bounds).Contains(e.Location))
{
IScrollableRibbonItem sc = item as IScrollableRibbonItem;
if (sc != null)
{
if (e.Delta < 0)
{
sc.ScrollDown();
}
else
{
sc.ScrollUp();
}
return(true);
}
}
}
}
return(false);
}
/// <summary>
/// Closes the DropDown if opened
/// </summary>
public void CloseDropDown()
{
if (_dropDown != null)
{
RibbonDropDown.DismissTo(_dropDown);
}
SetDropDownVisible(false);
}
/// <summary>
/// Selects the item when in a dropdown, in design mode
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RibbonItem_Click(object sender, EventArgs e)
{
RibbonDropDown dd = Canvas as RibbonDropDown;
if (dd != null && dd.SelectionService != null)
{
dd.SelectionService.SetSelectedComponents(
new Component[] { this }, System.ComponentModel.Design.SelectionTypes.Primary);
}
}
/// <summary>
/// Shows the DropDown
/// </summary>
public void ShowDropDown()
{
OnDropDownShowing(EventArgs.Empty);
AssignHandlers();
RibbonDropDown dd = new RibbonDropDown(this, DropDownItems, Owner);
dd.ShowSizingGrip = DropDownResizable;
dd.Closed += new EventHandler(DropDown_Closed);
dd.Show(Owner.PointToScreen(new Point(TextBoxBounds.Left, Bounds.Bottom)));
}
/// <summary>
/// Shows the drop down items of the button, as if the dropdown part has been clicked
/// </summary>
public void ShowDropDown()
{
if (DropDownItems.Count == 0)
{
SetPressed(false);
return;
}
IgnoreDeactivation();
_dropDown = new RibbonDropDown(this, DropDownItems, Owner);
//_dropDown.FormClosed += new FormClosedEventHandler(dropDown_FormClosed);
//_dropDown.StartPosition = FormStartPosition.Manual;
_dropDown.ShowSizingGrip = true;
Point location = Canvas.PointToScreen(new Point(Bounds.Left, Bounds.Top));
SetDropDownVisible(true);
_dropDown.Show(location);
}
/// <summary>
/// Closes all the dropdowns before the specified dropDown
/// </summary>
/// <param name="dropDown"></param>
internal static void DismissTo(RibbonDropDown dropDown)
{
if (dropDown == null)
{
throw new ArgumentNullException("dropDown");
}
for (int i = registeredDds.Count - 1; i >= 0; i--)
{
if (i >= registeredDds.Count)
{
break;
}
if (registeredDds[i].Equals(dropDown))
{
break;
}
else
{
registeredDds[i].Close();
}
}
}
/// <summary>
/// Creates the DropDown menu
/// </summary>
protected virtual void CreateDropDown()
{
_dropDown = new RibbonDropDown(this, DropDownItems, Owner);
}
private static void UnregisterDropDown(RibbonDropDown dropDown)
{
registeredDds.Remove(dropDown);
}
private static void RegisterDropDown(RibbonDropDown dropDown)
{
registeredDds.Add(dropDown);
}