2362N/A * Copyright (c) 1997, 2006, 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>DragSourceDragEvent</code> is 0N/A * delivered from the <code>DragSourceContextPeer</code>, 0N/A * via the <code>DragSourceContext</code>, to the <code>DragSourceListener</code> 0N/A * registered with that <code>DragSourceContext</code> and with its associated 0N/A * <code>DragSource</code>. 0N/A * The <code>DragSourceDragEvent</code> reports the <i>target drop action</i> 0N/A * and the <i>user drop action</i> that reflect the current state of 0N/A * the drag operation. 0N/A * <i>Target drop action</i> is one of <code>DnDConstants</code> that represents 0N/A * the drop action selected by the current drop target if this drop action is 0N/A * supported by the drag source or <code>DnDConstants.ACTION_NONE</code> if this 0N/A * drop action is not supported by the drag source. 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 * Constructs a <code>DragSourceDragEvent</code>. 0N/A * This class is typically 0N/A * instantiated by the <code>DragSourceContextPeer</code> 0N/A * rather than directly 0N/A * The coordinates for this <code>DragSourceDragEvent</code> 0N/A * are not specified, so <code>getLocation</code> will return 0N/A * <code>null</code> for this event. 0N/A * The arguments <code>dropAction</code> and <code>action</code> should 0N/A * be one of <code>DnDConstants</code> that represents a single action. 0N/A * The argument <code>modifiers</code> should be either a bitwise mask 0N/A * of old <code>java.awt.event.InputEvent.*_MASK</code> constants or a 0N/A * bitwise mask of extended <code>java.awt.event.InputEvent.*_DOWN_MASK</code> 0N/A * This constructor does not throw any exception for invalid <code>dropAction</code>, 0N/A * <code>action</code> and <code>modifiers</code>. 0N/A * @param dsc the <code>DragSourceContext</code> that is to manage 0N/A * notifications for this event. 0N/A * @param dropAction the user drop action. 0N/A * @param action the target drop action. 0N/A * @param modifiers the modifier keys down during event (shift, ctrl, 0N/A * Either extended _DOWN_MASK or old _MASK modifiers 0N/A * should be used, but both models should not be mixed 0N/A * in one event. Use of the extended modifiers is 0N/A * @throws <code>IllegalArgumentException</code> if <code>dsc</code> is <code>null</code>. 0N/A * @see java.awt.event.InputEvent 0N/A * @see DragSourceEvent#getLocation 0N/A * Constructs a <code>DragSourceDragEvent</code> given the specified 0N/A * <code>DragSourceContext</code>, user drop action, target drop action, 0N/A * modifiers and coordinates. 0N/A * The arguments <code>dropAction</code> and <code>action</code> should 0N/A * be one of <code>DnDConstants</code> that represents a single action. 0N/A * The argument <code>modifiers</code> should be either a bitwise mask 0N/A * of old <code>java.awt.event.InputEvent.*_MASK</code> constants or a 0N/A * bitwise mask of extended <code>java.awt.event.InputEvent.*_DOWN_MASK</code> 0N/A * This constructor does not throw any exception for invalid <code>dropAction</code>, 0N/A * <code>action</code> and <code>modifiers</code>. 0N/A * @param dsc the <code>DragSourceContext</code> associated with this 0N/A * @param dropAction the user drop action. 0N/A * @param action the target drop action. 0N/A * @param modifiers the modifier keys down during event (shift, ctrl, 0N/A * Either extended _DOWN_MASK or old _MASK modifiers 0N/A * should be used, but both models should not be mixed 0N/A * in one event. Use of the extended modifiers is 0N/A * @param x the horizontal coordinate for the cursor location 0N/A * @param y the vertical coordinate for the cursor location 0N/A * @throws <code>IllegalArgumentException</code> if <code>dsc</code> is <code>null</code>. 0N/A * @see java.awt.event.InputEvent 0N/A * This method returns the target drop action. 0N/A * @return the target drop action. 0N/A * This method returns an <code>int</code> representing 0N/A * the current state of the input device modifiers 0N/A * associated with the user's gesture. Typically these 0N/A * would be mouse buttons or keyboard modifiers. 0N/A * If the <code>modifiers</code> passed to the constructor 0N/A * are invalid, this method returns them unchanged. 0N/A * @return the current state of the input device modifiers 0N/A * This method returns an <code>int</code> representing 0N/A * the current state of the input device extended modifiers 0N/A * associated with the user's gesture. 0N/A * See {@link InputEvent#getModifiersEx} 0N/A * If the <code>modifiers</code> passed to the constructor 0N/A * are invalid, this method returns them unchanged. 0N/A * @return the current state of the input device extended modifiers 0N/A * This method returns the user drop action. 0N/A * @return the user drop action. 0N/A * This method returns the logical intersection of 0N/A * the target drop action and the set of drop actions supported by 0N/A * @return the logical intersection of the target drop action and 0N/A * the set of drop actions supported by the drag source. 0N/A * The target drop action. 0N/A * The user drop action. 0N/A * The state of the input device modifiers associated with the user 0N/A * Indicates whether the <code>gestureModifiers</code> are invalid. 0N/A * Sets new modifiers by the old ones. 0N/A * The mouse modifiers have higher priority than overlaying key 0N/A * Sets old modifiers by the new ones.