2362N/A * Copyright (c) 1997, 2004, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * The <code>DropTargetDragEvent</code> is delivered to a 0N/A * <code>DropTargetListener</code> via its 0N/A * dragEnter() and dragOver() methods. 0N/A * The <code>DropTargetDragEvent</code> reports the <i>source drop actions</i> 0N/A * and the <i>user drop action</i> that reflect the current state of 0N/A * the drag operation. 0N/A * <i>Source drop actions</i> is a bitwise mask of <code>DnDConstants</code> 0N/A * that represents the set of drop actions supported by the drag source for 0N/A * this drag operation. 0N/A * <i>User drop action</i> depends on the drop actions supported by the drag 0N/A * source and the drop action selected by the user. The user can select a drop 0N/A * action by pressing modifier keys during the drag operation: 0N/A * Ctrl + Shift -> ACTION_LINK 0N/A * Ctrl -> ACTION_COPY 0N/A * Shift -> ACTION_MOVE 0N/A * If the user selects a drop action, the <i>user drop action</i> is one of 0N/A * <code>DnDConstants</code> that represents the selected drop action if this 0N/A * drop action is supported by the drag source or 0N/A * <code>DnDConstants.ACTION_NONE</code> if this drop action is not supported 0N/A * by the drag source. 0N/A * If the user doesn't select a drop action, the set of 0N/A * <code>DnDConstants</code> that represents the set of drop actions supported 0N/A * by the drag source is searched for <code>DnDConstants.ACTION_MOVE</code>, 0N/A * then for <code>DnDConstants.ACTION_COPY</code>, then for 0N/A * <code>DnDConstants.ACTION_LINK</code> and the <i>user drop action</i> is the 0N/A * first constant found. If no constant is found the <i>user drop action</i> 0N/A * is <code>DnDConstants.ACTION_NONE</code>. 0N/A * Construct a <code>DropTargetDragEvent</code> given the 0N/A * <code>DropTargetContext</code> for this operation, 0N/A * the location of the "Drag" <code>Cursor</code>'s hotspot 0N/A * in the <code>Component</code>'s coordinates, the 0N/A * user drop action, and the source drop actions. 0N/A * @param dtc The DropTargetContext for this operation 0N/A * @param cursorLocn The location of the "Drag" Cursor's 0N/A * hotspot in Component coordinates 0N/A * @param dropAction The user drop action 0N/A * @param srcActions The source drop actions 0N/A * @throws NullPointerException if cursorLocn is null 0N/A * @throws <code>IllegalArgumentException</code> if dropAction is not one of 0N/A * <code>DnDConstants</code>. 0N/A * @throws <code>IllegalArgumentException</code> if srcActions is not 0N/A * a bitwise mask of <code>DnDConstants</code>. 0N/A * @throws <code>IllegalArgumentException</code> if dtc is <code>null</code>. 0N/A * This method returns a <code>Point</code> 0N/A * indicating the <code>Cursor</code>'s current 0N/A * location within the <code>Component'</code>s 0N/A * @return the current cursor location in 0N/A * <code>Component</code>'s coords. 0N/A * This method returns the current <code>DataFlavor</code>s from the 0N/A * <code>DropTargetContext</code>. 0N/A * @return current DataFlavors from the DropTargetContext 0N/A * This method returns the current <code>DataFlavor</code>s 0N/A * as a <code>java.util.List</code> 0N/A * @return a <code>java.util.List</code> of the Current <code>DataFlavor</code>s 0N/A * This method returns a <code>boolean</code> indicating 0N/A * if the specified <code>DataFlavor</code> is supported. 0N/A * @param df the <code>DataFlavor</code> to test 0N/A * @return if a particular DataFlavor is supported 0N/A * This method returns the source drop actions. 0N/A * @return the source drop actions 0N/A * This method returns the user drop action. 0N/A * @return the user drop action 0N/A * This method returns the Transferable object that represents 0N/A * the data associated with the current drag operation. 0N/A * @return the Transferable associated with the drag operation 0N/A * @throws InvalidDnDOperationException if the data associated with the drag 0N/A * operation is not available 0N/A * This method should be called from a 0N/A * <code>DropTargetListeners</code> <code>dragEnter</code>, 0N/A * <code>dragOver</code>, and <code>dropActionChanged</code> 0N/A * methods if the implementation wishes to accept an operation 0N/A * from the srcActions other than the one selected by 0N/A * the user as represented by the <code>dropAction</code>. 0N/A * @param dragOperation the operation accepted by the target 0N/A * Rejects the drag as a result of examining either the 0N/A * <code>dropAction</code> or the available <code>DataFlavor</code> 0N/A * The location of the drag cursor's hotspot in Component coordinates. 0N/A * The source drop actions. 0N/A * The user drop action.