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Diffstat (limited to 'libjava/classpath/java/awt/dnd/DragSource.java')
| -rw-r--r-- | libjava/classpath/java/awt/dnd/DragSource.java | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/libjava/classpath/java/awt/dnd/DragSource.java b/libjava/classpath/java/awt/dnd/DragSource.java deleted file mode 100644 index af8b376..0000000 --- a/libjava/classpath/java/awt/dnd/DragSource.java +++ /dev/null @@ -1,326 +0,0 @@ -/* DragSource.java -- - Copyright (C) 2002 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt.dnd; - -import gnu.classpath.NotImplementedException; - -import java.awt.Component; -import java.awt.Cursor; -import java.awt.GraphicsEnvironment; -import java.awt.HeadlessException; -import java.awt.Image; -import java.awt.Point; -import java.awt.Toolkit; -import java.awt.datatransfer.FlavorMap; -import java.awt.datatransfer.SystemFlavorMap; -import java.awt.datatransfer.Transferable; -import java.awt.dnd.peer.DragSourceContextPeer; -import java.io.Serializable; -import java.util.EventListener; - -/** - * @since 1.2 - */ -public class DragSource implements Serializable -{ - /** - * Compatible with JDK 1.2+. - */ - private static final long serialVersionUID = 6236096958971414066L; - - public static final Cursor DefaultCopyDrop = null; - public static final Cursor DefaultMoveDrop = null; - public static final Cursor DefaultLinkDrop = null; - public static final Cursor DefaultCopyNoDrop = null; - public static final Cursor DefaultMoveNoDrop = null; - public static final Cursor DefaultLinkNoDrop = null; - - private transient FlavorMap flavorMap = SystemFlavorMap.getDefaultFlavorMap (); - private transient DragSourceListener dragSourceListener; - private transient DragSourceMotionListener dragSourceMotionListener; - - private static DragSource ds; - private DragSourceContextPeer peer; - private DragSourceContext context; - - /** - * Initializes the drag source. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true. - */ - public DragSource() - { - if (GraphicsEnvironment.isHeadless()) - { - ds = null; - throw new HeadlessException(); - } - } - - /** - * Gets the default drag source. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true. - */ - public static DragSource getDefaultDragSource() - { - if (GraphicsEnvironment.isHeadless()) - { - ds = null; - throw new HeadlessException(); - } - - if (ds == null) - ds = new DragSource(); - return ds; - } - - public static boolean isDragImageSupported() - { - // In all cases, Sun returns false here. - return false; - } - - /** - * Start a drag, given the DragGestureEvent that initiated the drag. - * - * @exception InvalidDnDOperationException If the Drag and Drop system is - * unable to initiate a drag operation, or if the user attempts to start - * a drag while an existing drag operation is still executing. - */ - public void startDrag(DragGestureEvent trigger, Cursor dragCursor, - Image dragImage, Point imageOffset, - Transferable trans, DragSourceListener dsl, - FlavorMap map) - { - // http://www.javaworld.com/javaworld/jw-03-1999/jw-03-dragndrop.html - - // This function creates a DragSourceContext object. This object tracks the - // state of the operation by listening to a native peer. In this situation, - // the DragSource may be obtained from the event or by an instance variable. - // This function also creates a new DragSourceContextPeer. - - // This function sends the same message to the context, which then forwards - // it to the peer, passing itself as a parameter. Now, the native system has - // access to the Transferable through the context. - - try - { - flavorMap = map; - - if (peer == null) - peer = Toolkit.getDefaultToolkit().createDragSourceContextPeer(trigger); - - if (context == null) - context = createDragSourceContext(peer, trigger, - dragCursor, - dragImage, - imageOffset, trans, - dsl); - - if (peer == null) - throw new InvalidDnDOperationException(); - - peer.startDrag(context, dragCursor, dragImage, imageOffset); - } - catch (Exception e) - { - throw new InvalidDnDOperationException("Drag and Drop system is " - + "unable to initiate a drag operation."); - } - } - - /** - * Start a drag, given the DragGestureEvent that initiated the drag. - * - * @exception InvalidDnDOperationException If the Drag and Drop system is - * unable to initiate a drag operation, or if the user attempts to start - * a drag while an existing drag operation is still executing. - */ - public void startDrag(DragGestureEvent trigger, Cursor dragCursor, - Transferable trans, DragSourceListener dsl, - FlavorMap map) - { - startDrag(trigger, dragCursor, null, null, trans, dsl, map); - } - - /** - * Start a drag, given the DragGestureEvent that initiated the drag. - * - * @exception InvalidDnDOperationException If the Drag and Drop system is - * unable to initiate a drag operation, or if the user attempts to start - * a drag while an existing drag operation is still executing. - */ - public void startDrag(DragGestureEvent trigger, Cursor dragCursor, - Image dragImage, Point imageOffset, - Transferable trans, DragSourceListener dsl) - { - startDrag(trigger, dragCursor, dragImage, imageOffset, trans, dsl, null); - } - - /** - * Start a drag, given the DragGestureEvent that initiated the drag. - * - * @exception InvalidDnDOperationException If the Drag and Drop system is - * unable to initiate a drag operation, or if the user attempts to start - * a drag while an existing drag operation is still executing. - */ - public void startDrag(DragGestureEvent trigger, Cursor dragCursor, - Transferable trans, DragSourceListener dsl) - { - startDrag(trigger, dragCursor, null, null, trans, dsl, null); - } - - /** - * Creates the DragSourceContext to handle this drag. - * - * @exception IllegalArgumentException - * @exception NullPointerException If dscp, dgl, dragImage or t is null. - */ - protected DragSourceContext - createDragSourceContext(DragSourceContextPeer peer, DragGestureEvent dge, - Cursor cursor, Image image, Point offset, - Transferable t, DragSourceListener dsl) - { - return new DragSourceContext(peer, dge, cursor, image, offset, t, dsl); - } - - public FlavorMap getFlavorMap() - { - return flavorMap; - } - - public <T extends DragGestureRecognizer> T - createDragGestureRecognizer(Class<T> recognizer, - Component c, - int actions, - DragGestureListener dgl) - { - return (T) Toolkit.getDefaultToolkit().createDragGestureRecognizer(recognizer, - this, c, - actions, dgl); - } - - public DragGestureRecognizer createDefaultDragGestureRecognizer(Component c, - int actions, - DragGestureListener dgl) - { - return createDragGestureRecognizer(MouseDragGestureRecognizer.class, c, - actions, dgl); - } - - /** - * @since 1.4 - */ - public void addDragSourceListener(DragSourceListener l) - { - DnDEventMulticaster.add (dragSourceListener, l); - } - - /** - * @since 1.4 - */ - public void removeDragSourceListener(DragSourceListener l) - { - DnDEventMulticaster.remove (dragSourceListener, l); - } - - /** - * @since 1.4 - */ - public DragSourceListener[] getDragSourceListeners() - { - return (DragSourceListener[]) getListeners (DragSourceListener.class); - } - - /** - * @since 1.4 - */ - public void addDragSourceMotionListener(DragSourceMotionListener l) - { - DnDEventMulticaster.add (dragSourceMotionListener, l); - } - - /** - * @since 1.4 - */ - public void removeDragSourceMotionListener(DragSourceMotionListener l) - { - DnDEventMulticaster.remove (dragSourceMotionListener, l); - } - - /** - * @since 1.4 - */ - public DragSourceMotionListener[] getDragSourceMotionListeners () - { - return (DragSourceMotionListener[]) getListeners - (DragSourceMotionListener.class); - } - - /** - * @since 1.4 - */ - public <T extends EventListener> T[] getListeners (Class<T> listenerType) - { - if (listenerType == DragSourceListener.class) - return DnDEventMulticaster.getListeners (dragSourceListener, - listenerType); - - if (listenerType == DragSourceMotionListener.class) - return DnDEventMulticaster.getListeners (dragSourceMotionListener, - listenerType); - - // Return an empty EventListener array. - return (T[]) new EventListener [0]; - } - - /** - * TODO - * @return TODO - * - * @since 1.5 - */ - public static int getDragThreshold() - throws NotImplementedException - { - // FIXME: Not implemented. - return 8; - } -} // class DragSource |