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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/awt/dnd/DragGestureEvent.java | |
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Diffstat (limited to 'libjava/classpath/java/awt/dnd/DragGestureEvent.java')
-rw-r--r-- | libjava/classpath/java/awt/dnd/DragGestureEvent.java | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/libjava/classpath/java/awt/dnd/DragGestureEvent.java b/libjava/classpath/java/awt/dnd/DragGestureEvent.java new file mode 100644 index 000000000..e127a7dc1 --- /dev/null +++ b/libjava/classpath/java/awt/dnd/DragGestureEvent.java @@ -0,0 +1,219 @@ +/* DragGestureEvent.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 java.awt.Component; +import java.awt.Cursor; +import java.awt.Image; +import java.awt.Point; +import java.awt.datatransfer.Transferable; +import java.awt.event.InputEvent; +import java.util.EventObject; +import java.util.Iterator; +import java.util.List; + +public class DragGestureEvent extends EventObject +{ + /** + * Compatible with JDK 1.2+. + */ + private static final long serialVersionUID = 9080172649166731306L; + + private DragSource dragSource; + private Component component; + private final Point origin; + private final int action; + private List<InputEvent> events; + private DragGestureRecognizer dgr; + + /** + * Constructs a new DragGestureEvent. + * @param dgr - DragGestureRecognizer firing this event + * @param action - user's preferred action + * @param origin - origin of the drag + * @param events - List of events that make up the gesture + * @throws IllegalArgumentException - if input parameters are null + */ + public DragGestureEvent(DragGestureRecognizer dgr, int action, Point origin, + List<? extends InputEvent> events) + { + super(dgr); + if (origin == null || events == null || dgr == null) + throw new IllegalArgumentException(); + + this.origin = origin; + this.action = action; + this.events = (List<InputEvent>) events; + this.dgr = dgr; + this.component = dgr.getComponent(); + this.dragSource = dgr.getDragSource(); + } + + /** + * Returns the source casted as a DragGestureRecognizer. + * + * @return the source casted as a DragGestureRecognizer. + */ + public DragGestureRecognizer getSourceAsDragGestureRecognizer() + { + return (DragGestureRecognizer) getSource(); + } + + /** + * Returns the Component corresponding to this. + * + * @return the Component corresponding to this. + */ + public Component getComponent() + { + return component; + } + + /** + * Gets the DragSource corresponding to this. + * + * @return the DragSource corresponding to this. + */ + public DragSource getDragSource() + { + return dragSource; + } + + /** + * Returns the origin of the drag. + * + * @return the origin of the drag. + */ + public Point getDragOrigin() + { + return origin; + } + + /** + * Gets an iterator representation of the List of events. + * + * @return an iterator representation of the List of events. + */ + public Iterator<InputEvent> iterator() + { + return events.iterator(); + } + + /** + * Gets an array representation of the List of events. + * + * @return an array representation of the List of events. + */ + public Object[] toArray() + { + return events.toArray(); + } + + /** + * Gets an array representation of the List of events. + * + * @param array - the array to store the events in. + * @return an array representation of the List of events. + */ + public Object[] toArray(Object[] array) + { + return events.toArray(array); + } + + /** + * Gets the user's preferred action. + * + * @return the user's preferred action. + */ + public int getDragAction() + { + return action; + } + + /** + * Get the event that triggered this gesture. + * + * @return the event that triggered this gesture. + */ + public InputEvent getTriggerEvent() + { + return dgr.getTriggerEvent(); + } + + /** + * Starts the drag given the initial Cursor to display, the Transferable + * object, and the DragSourceListener to use. + * + * @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(Cursor dragCursor, Transferable trans) + { + startDrag(dragCursor, null, null, trans, null); + } + + /** + * Starts the drag given the initial Cursor to display, the Transferable + * object, and the DragSourceListener to use. + * + * @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(Cursor dragCursor, Transferable trans, + DragSourceListener l) + { + startDrag(dragCursor, null, null, trans, l); + } + + /** + * Starts the drag given the initial Cursor to display, the Transferable + * object, and the DragSourceListener to use. + * + * @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(Cursor dragCursor, Image dragImage, Point imageOffset, + Transferable trans, DragSourceListener l) + { + dragSource.startDrag(this, dragCursor, dragImage, imageOffset, trans, l); + } +} // class DragGestureEvent |