/// <summary>
/// Calls <code>dragDropEnd</code> on the
/// <code>DragSourceListener</code>s registered with this
/// <code>DragSourceContext</code> and with the associated
/// <code>DragSource</code>, and passes them the specified
/// <code>DragSourceDropEvent</code>.
/// </summary>
/// <param name="dsde"> the <code>DragSourceDropEvent</code> </param>
public virtual void DragDropEnd(DragSourceDropEvent dsde)
{
DragSourceListener dsl = Listener;
if (dsl != null)
{
dsl.DragDropEnd(dsde);
}
DragSource.ProcessDragDropEnd(dsde);
}
/// <summary>
/// Calls <code>dropActionChanged</code> on the
/// <code>DragSourceListener</code>s registered with this
/// <code>DragSourceContext</code> and with the associated
/// <code>DragSource</code>, and passes them the specified
/// <code>DragSourceDragEvent</code>.
/// </summary>
/// <param name="dsde"> the <code>DragSourceDragEvent</code> </param>
public virtual void DropActionChanged(DragSourceDragEvent dsde)
{
DragSourceListener dsl = Listener;
if (dsl != null)
{
dsl.DropActionChanged(dsde);
}
DragSource.ProcessDropActionChanged(dsde);
UpdateCurrentCursor(SourceActions, dsde.TargetActions, CHANGED);
}
/// <summary>
/// Calls <code>dragExit</code> on the
/// <code>DragSourceListener</code>s registered with this
/// <code>DragSourceContext</code> and with the associated
/// <code>DragSource</code>, and passes them the specified
/// <code>DragSourceEvent</code>.
/// </summary>
/// <param name="dse"> the <code>DragSourceEvent</code> </param>
public virtual void DragExit(DragSourceEvent dse)
{
DragSourceListener dsl = Listener;
if (dsl != null)
{
dsl.DragExit(dse);
}
DragSource.ProcessDragExit(dse);
UpdateCurrentCursor(DnDConstants.ACTION_NONE, DnDConstants.ACTION_NONE, DEFAULT);
}
/// <summary>
/// Calls <code>dragOver</code> on the
/// <code>DragSourceListener</code>s registered with this
/// <code>DragSourceContext</code> and with the associated
/// <code>DragSource</code>, and passes them the specified
/// <code>DragSourceDragEvent</code>.
/// </summary>
/// <param name="dsde"> the <code>DragSourceDragEvent</code> </param>
public virtual void DragOver(DragSourceDragEvent dsde)
{
DragSourceListener dsl = Listener;
if (dsl != null)
{
dsl.DragOver(dsde);
}
DragSource.ProcessDragOver(dsde);
UpdateCurrentCursor(SourceActions, dsde.TargetActions, OVER);
}
/// <summary>
/// Deserializes this <code>DragGestureRecognizer</code>. This method first
/// performs default deserialization for all non-<code>transient</code>
/// fields. This object's <code>DragGestureListener</code> is then
/// deserialized as well by using the next object in the stream.
///
/// @since 1.4
/// </summary>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") private void readObject(java.io.ObjectInputStream s) throws ClassNotFoundException, java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
private void ReadObject(ObjectInputStream s)
{
ObjectInputStream.GetField f = s.ReadFields();
DragSource newDragSource = (DragSource)f.Get("dragSource", null);
if (newDragSource == null)
{
throw new InvalidObjectException("null DragSource");
}
DragSource_Renamed = newDragSource;
Component_Renamed = (Component)f.Get("component", null);
SourceActions_Renamed = f.Get("sourceActions", 0) & (DnDConstants.ACTION_COPY_OR_MOVE | DnDConstants.ACTION_LINK);
Events = (List <InputEvent>)f.Get("events", new List <>(1));
DragGestureListener = (DragGestureListener)s.ReadObject();
}
/// <summary>
/// Construct a new <code>DragGestureRecognizer</code>
/// given the <code>DragSource</code> to be used
/// in this Drag and Drop operation, the <code>Component</code>
/// this <code>DragGestureRecognizer</code> should "observe"
/// for drag initiating gestures, the action(s) supported
/// for this Drag and Drop operation, and the
/// <code>DragGestureListener</code> to notify
/// once a drag initiating gesture has been detected.
/// <P> </summary>
/// <param name="ds"> the <code>DragSource</code> this
/// <code>DragGestureRecognizer</code>
/// will use to process the Drag and Drop operation
/// </param>
/// <param name="c"> the <code>Component</code>
/// this <code>DragGestureRecognizer</code>
/// should "observe" the event stream to,
/// in order to detect a drag initiating gesture.
/// If this value is <code>null</code>, the
/// <code>DragGestureRecognizer</code>
/// is not associated with any <code>Component</code>.
/// </param>
/// <param name="sa"> the set (logical OR) of the
/// <code>DnDConstants</code>
/// that this Drag and Drop operation will support
/// </param>
/// <param name="dgl"> the <code>DragGestureRecognizer</code>
/// to notify when a drag gesture is detected
/// <P> </param>
/// <exception cref="IllegalArgumentException">
/// if ds is <code>null</code>. </exception>
protected internal DragGestureRecognizer(DragSource ds, Component c, int sa, DragGestureListener dgl) : base()
{
if (ds == null)
{
throw new IllegalArgumentException("null DragSource");
}
DragSource_Renamed = ds;
Component_Renamed = c;
SourceActions_Renamed = sa & (DnDConstants.ACTION_COPY_OR_MOVE | DnDConstants.ACTION_LINK);
try
{
if (dgl != null)
{
AddDragGestureListener(dgl);
}
}
catch (TooManyListenersException)
{
// cant happen ...
}
}
/// <summary>
/// Construct a new <code>DragGestureRecognizer</code>
/// given the <code>DragSource</code> to be used in this
/// Drag and Drop operation.
/// <P> </summary>
/// <param name="ds"> the <code>DragSource</code> this
/// <code>DragGestureRecognizer</code> will
/// use to process the Drag and Drop operation
/// <P> </param>
/// <exception cref="IllegalArgumentException">
/// if ds is <code>null</code>. </exception>
protected internal DragGestureRecognizer(DragSource ds) : this(ds, null)
{
}
/// <summary>
/// Construct a new <code>DragGestureRecognizer</code>
/// given the <code>DragSource</code> to be used
/// in this Drag and Drop operation, and
/// the <code>Component</code> this
/// <code>DragGestureRecognizer</code>
/// should "observe" for drag initiating gestures.
/// <P> </summary>
/// <param name="ds"> the <code>DragSource</code> this
/// <code>DragGestureRecognizer</code>
/// will use to process the Drag and Drop operation
/// </param>
/// <param name="c"> the <code>Component</code>
/// this <code>DragGestureRecognizer</code>
/// should "observe" the event stream to,
/// in order to detect a drag initiating gesture.
/// If this value is <code>null</code>,
/// the <code>DragGestureRecognizer</code>
/// is not associated with any <code>Component</code>.
/// <P> </param>
/// <exception cref="IllegalArgumentException">
/// if ds is <code>null</code>. </exception>
protected internal DragGestureRecognizer(DragSource ds, Component c) : this(ds, c, DnDConstants.ACTION_NONE)
{
}
/// <summary>
/// Construct a new <code>DragGestureRecognizer</code>
/// given the <code>DragSource</code> to be used in this
/// Drag and Drop
/// operation, the <code>Component</code> this
/// <code>DragGestureRecognizer</code> should "observe"
/// for drag initiating gestures, and the action(s)
/// supported for this Drag and Drop operation.
/// <P> </summary>
/// <param name="ds"> the <code>DragSource</code> this
/// <code>DragGestureRecognizer</code> will use to
/// process the Drag and Drop operation
/// </param>
/// <param name="c"> the <code>Component</code> this
/// <code>DragGestureRecognizer</code> should "observe" the event
/// stream to, in order to detect a drag initiating gesture.
/// If this value is <code>null</code>, the
/// <code>DragGestureRecognizer</code>
/// is not associated with any <code>Component</code>.
/// </param>
/// <param name="sa"> the set (logical OR) of the <code>DnDConstants</code>
/// that this Drag and Drop operation will support
/// <P> </param>
/// <exception cref="IllegalArgumentException">
/// if ds is <code>null</code>. </exception>
protected internal DragGestureRecognizer(DragSource ds, Component c, int sa) : this(ds, c, sa, null)
{
}
/// <summary>
/// Calls <code>dragMouseMoved</code> on the
/// <code>DragSourceMotionListener</code>s registered with the
/// <code>DragSource</code> associated with this
/// <code>DragSourceContext</code>, and them passes the specified
/// <code>DragSourceDragEvent</code>.
/// </summary>
/// <param name="dsde"> the <code>DragSourceDragEvent</code>
/// @since 1.4 </param>
public virtual void DragMouseMoved(DragSourceDragEvent dsde)
{
DragSource.ProcessDragMouseMoved(dsde);
}