private void OnAddSep(object sender, EventArgs e)
{
if ((_ribbonGroup?.Ribbon != null) && _ribbonGroup.RibbonTab.Groups.Contains(_ribbonGroup))
{
// Use a transaction to support undo/redo actions
DesignerTransaction transaction = _designerHost.CreateTransaction(@"KryptonRibbonGroup AddSep");
try
{
// Get access to the Items property
MemberDescriptor propertyItems = TypeDescriptor.GetProperties(_ribbonGroup)[@"Items"];
RaiseComponentChanging(propertyItems);
// Get designer to create the new separator component
KryptonRibbonGroupSeparator sep = (KryptonRibbonGroupSeparator)_designerHost.CreateComponent(typeof(KryptonRibbonGroupSeparator));
_ribbonGroup.Items.Add(sep);
RaiseComponentChanged(propertyItems, null, null);
}
finally
{
// If we managed to create the transaction, then do it
transaction?.Commit();
}
}
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
// Must unhook to prevent memory leaks
_ribbonSeparator.PropertyChanged -= OnSeparatorPropertyChanged;
// Remove association with definition
_ribbonSeparator.SeparatorView = null;
_ribbonSeparator = null;
}
base.Dispose(disposing);
}
/// <summary>
/// Initializes the designer with the specified component.
/// </summary>
/// <param name="component">The IComponent to associate the designer with.</param>
public override void Initialize(IComponent component)
{
// Let base class do standard stuff
base.Initialize(component);
Debug.Assert(component != null);
// Cast to correct type
_ribbonSeparator = component as KryptonRibbonGroupSeparator;
if (_ribbonSeparator != null)
{
_ribbonSeparator.DesignTimeContextMenu += OnContextMenu;
}
// Get access to the services
_designerHost = (IDesignerHost)GetService(typeof(IDesignerHost));
_changeService = (IComponentChangeService)GetService(typeof(IComponentChangeService));
// We need to know when we are being removed/changed
_changeService.ComponentChanged += OnComponentChanged;
}
/// <summary>
/// Initialize a new instance of the ViewDrawRibbonGroupSeparator class.
/// </summary>
/// <param name="ribbon">Reference to owning ribbon control.</param>
/// <param name="ribbonSeparator">Reference to group separator definition.</param>
/// <param name="needPaint">Delegate for notifying paint requests.</param>
public ViewDrawRibbonGroupSeparator(KryptonRibbon ribbon,
KryptonRibbonGroupSeparator ribbonSeparator,
NeedPaintHandler needPaint)
{
Debug.Assert(ribbon != null);
Debug.Assert(ribbonSeparator != null);
Debug.Assert(needPaint != null);
_ribbon = ribbon;
_ribbonSeparator = ribbonSeparator;
_needPaint = needPaint;
// Associate this view with the source component (required for design time selection)
Component = _ribbonSeparator;
if (_ribbon.InDesignMode)
{
// At design time we need to know when the user right clicks the label
ContextClickController controller = new();
controller.ContextClick += OnContextClick;
MouseController = controller;
}
// Define back reference to view for the separator definition
_ribbonSeparator.SeparatorView = this;
// Hook into changes in the ribbon separator definition
_ribbonSeparator.PropertyChanged += OnSeparatorPropertyChanged;
_preferredSize2007 = new Size((int)(4 * FactorDpiX), (int)(4 * FactorDpiY));
_preferredSize2010 = new Size((int)(7 * FactorDpiX), (int)(4 * FactorDpiY));
// Default the preferred size
_lastShape = PaletteRibbonShape.Office2007;
_preferredSize = _preferredSize2007;
}