101 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
// NoesisGUI - http://www.noesisengine.com
 | 
						|
// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
 | 
						|
 | 
						|
#ifndef __GUI_DATAOBJECT_H__
 | 
						|
#define __GUI_DATAOBJECT_H__
 | 
						|
 | 
						|
 | 
						|
#include <NsCore/Noesis.h>
 | 
						|
#include <NsCore/BaseComponent.h>
 | 
						|
#include <NsGui/CoreApi.h>
 | 
						|
#include <NsGui/RoutedEvent.h>
 | 
						|
 | 
						|
 | 
						|
namespace Noesis
 | 
						|
{
 | 
						|
 | 
						|
class UIElement;
 | 
						|
 | 
						|
NS_WARNING_PUSH
 | 
						|
NS_MSVC_WARNING_DISABLE(4251 4275)
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
/// Provides an abstract base class for events associated with the DataObject class.
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
struct NS_GUI_CORE_API DataObjectEventArgs: public RoutedEventArgs
 | 
						|
{
 | 
						|
    mutable bool commandCancelled;
 | 
						|
    bool isDragDrop;
 | 
						|
 | 
						|
    DataObjectEventArgs(BaseComponent* source, const RoutedEvent* event, bool isDragDrop);
 | 
						|
};
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
/// Arguments for the DataObject.Copying event.
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
struct NS_GUI_CORE_API DataObjectCopyingEventArgs final: public DataObjectEventArgs
 | 
						|
{
 | 
						|
    Ptr<BaseComponent> dataObject;
 | 
						|
 | 
						|
    DataObjectCopyingEventArgs(BaseComponent* source, BaseComponent* dataObject, bool isDragDrop);
 | 
						|
};
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
/// Contains arguments for the DataObject.Pasting event.
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
struct NS_GUI_CORE_API DataObjectPastingEventArgs final: public DataObjectEventArgs
 | 
						|
{
 | 
						|
    Ptr<BaseComponent> sourceDataObject;
 | 
						|
    mutable Ptr<BaseComponent> dataObject;
 | 
						|
 | 
						|
    DataObjectPastingEventArgs(BaseComponent* source, BaseComponent* dataObject, bool isDragDrop);
 | 
						|
};
 | 
						|
 | 
						|
NS_WARNING_POP
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
typedef Noesis::Delegate<void (BaseComponent* sender, const DataObjectCopyingEventArgs& e)>
 | 
						|
    DataObjectCopyingEventHandler;
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
typedef Noesis::Delegate<void (BaseComponent* sender, const DataObjectPastingEventArgs& e)>
 | 
						|
    DataObjectPastingEventHandler;
 | 
						|
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
/// Defines a format-independent mechanism for transferring data.
 | 
						|
///
 | 
						|
/// https://docs.microsoft.com/en-us/dotnet/api/system.windows.dataobject
 | 
						|
////////////////////////////////////////////////////////////////////////////////////////////////////
 | 
						|
struct NS_GUI_CORE_API DataObject
 | 
						|
{
 | 
						|
    /// Adds a DataObject.Copying event handler to a specified element.
 | 
						|
    static void AddCopyingHandler(UIElement* element, const DataObjectCopyingEventHandler& handler);
 | 
						|
 | 
						|
    /// Adds a DataObject.Pasting event handler to a specified element.
 | 
						|
    static void AddPastingHandler(UIElement* element, const DataObjectPastingEventHandler& handler);
 | 
						|
 | 
						|
    /// Removes a DataObject.Copying event handler from a specified element.
 | 
						|
    static void RemoveCopyingHandler(UIElement* element,
 | 
						|
        const DataObjectCopyingEventHandler& handler);
 | 
						|
 | 
						|
    /// Removes a DataObject.Pasting event handler from a specified element.
 | 
						|
    static void RemovePastingHandler(UIElement* element,
 | 
						|
        const DataObjectPastingEventHandler& handler);
 | 
						|
 | 
						|
    /// Attached routed events
 | 
						|
    //@{
 | 
						|
    static const RoutedEvent* CopyingEvent;
 | 
						|
    static const RoutedEvent* PastingEvent;
 | 
						|
    //@}
 | 
						|
 | 
						|
    NS_DECLARE_REFLECTION(DataObject, NoParent)
 | 
						|
};
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
#endif
 |