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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2002, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.swing; | ||
| 27 | |||
| 28 | /** DesktopManager objects are owned by a JDesktopPane object. They are responsible | ||
| 29 | * for implementing L&F specific behaviors for the JDesktopPane. JInternalFrame | ||
| 30 | * implementations should delegate specific behaviors to the DesktopManager. For | ||
| 31 | * instance, if a JInternalFrame was asked to iconify, it should try: | ||
| 32 | * <PRE> | ||
| 33 | * getDesktopPane().getDesktopManager().iconifyFrame(frame); | ||
| 34 | * </PRE> | ||
| 35 | * This delegation allows each L&F to provide custom behaviors for desktop-specific | ||
| 36 | * actions. (For example, how and where the internal frame's icon would appear.) | ||
| 37 | * <p>This class provides a policy for the various JInternalFrame methods, it is not | ||
| 38 | * meant to be called directly rather the various JInternalFrame methods will call | ||
| 39 | * into the DesktopManager.</p> | ||
| 40 | * | ||
| 41 | * @see JDesktopPane | ||
| 42 | * @see JInternalFrame | ||
| 43 | * @see JInternalFrame.JDesktopIcon | ||
| 44 | * | ||
| 45 | * @author David Kloba | ||
| 46 | */ | ||
| 47 | public interface DesktopManager | ||
| 48 | { | ||
| 49 | /** If possible, display this frame in an appropriate location. | ||
| 50 | * Normally, this is not called, as the creator of the JInternalFrame | ||
| 51 | * will add the frame to the appropriate parent. | ||
| 52 | */ | ||
| 53 | void openFrame(JInternalFrame f); | ||
| 54 | |||
| 55 | /** Generally, this call should remove the frame from it's parent. */ | ||
| 56 | void closeFrame(JInternalFrame f); | ||
| 57 | |||
| 58 | /** Generally, the frame should be resized to match it's parents bounds. */ | ||
| 59 | void maximizeFrame(JInternalFrame f); | ||
| 60 | /** Generally, this indicates that the frame should be restored to it's | ||
| 61 | * size and position prior to a maximizeFrame() call. | ||
| 62 | */ | ||
| 63 | void minimizeFrame(JInternalFrame f); | ||
| 64 | /** Generally, remove this frame from it's parent and add an iconic representation. */ | ||
| 65 | void iconifyFrame(JInternalFrame f); | ||
| 66 | /** Generally, remove any iconic representation that is present and restore the | ||
| 67 | * frame to it's original size and location. | ||
| 68 | */ | ||
| 69 | void deiconifyFrame(JInternalFrame f); | ||
| 70 | |||
| 71 | /** | ||
| 72 | * Generally, indicate that this frame has focus. This is usually called after | ||
| 73 | * the JInternalFrame's IS_SELECTED_PROPERTY has been set to true. | ||
| 74 | */ | ||
| 75 | void activateFrame(JInternalFrame f); | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Generally, indicate that this frame has lost focus. This is usually called | ||
| 79 | * after the JInternalFrame's IS_SELECTED_PROPERTY has been set to false. | ||
| 80 | */ | ||
| 81 | void deactivateFrame(JInternalFrame f); | ||
| 82 | |||
| 83 | /** This method is normally called when the user has indicated that | ||
| 84 | * they will begin dragging a component around. This method should be called | ||
| 85 | * prior to any dragFrame() calls to allow the DesktopManager to prepare any | ||
| 86 | * necessary state. Normally <b>f</b> will be a JInternalFrame. | ||
| 87 | */ | ||
| 88 | void beginDraggingFrame(JComponent f); | ||
| 89 | |||
| 90 | /** The user has moved the frame. Calls to this method will be preceded by calls | ||
| 91 | * to beginDraggingFrame(). | ||
| 92 | * Normally <b>f</b> will be a JInternalFrame. | ||
| 93 | */ | ||
| 94 | void dragFrame(JComponent f, int newX, int newY); | ||
| 95 | /** This method signals the end of the dragging session. Any state maintained by | ||
| 96 | * the DesktopManager can be removed here. Normally <b>f</b> will be a JInternalFrame. | ||
| 97 | */ | ||
| 98 | void endDraggingFrame(JComponent f); | ||
| 99 | |||
| 100 | /** This methods is normally called when the user has indicated that | ||
| 101 | * they will begin resizing the frame. This method should be called | ||
| 102 | * prior to any resizeFrame() calls to allow the DesktopManager to prepare any | ||
| 103 | * necessary state. Normally <b>f</b> will be a JInternalFrame. | ||
| 104 | */ | ||
| 105 | void beginResizingFrame(JComponent f, int direction); | ||
| 106 | /** The user has resized the component. Calls to this method will be preceded by calls | ||
| 107 | * to beginResizingFrame(). | ||
| 108 | * Normally <b>f</b> will be a JInternalFrame. | ||
| 109 | */ | ||
| 110 | void resizeFrame(JComponent f, int newX, int newY, int newWidth, int newHeight); | ||
| 111 | /** This method signals the end of the resize session. Any state maintained by | ||
| 112 | * the DesktopManager can be removed here. Normally <b>f</b> will be a JInternalFrame. | ||
| 113 | */ | ||
| 114 | void endResizingFrame(JComponent f); | ||
| 115 | |||
| 116 | /** This is a primitive reshape method.*/ | ||
| 117 | void setBoundsForFrame(JComponent f, int newX, int newY, int newWidth, int newHeight); | ||
| 118 | } | ||