| 1 | 14 | jlechner | /* Action.java --
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         | 2 |  |  |    Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
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         | 3 |  |  |  
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         | 4 |  |  | This file is part of GNU Classpath.
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         | 5 |  |  |  
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         | 6 |  |  | GNU Classpath is free software; you can redistribute it and/or modify
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         | 7 |  |  | it under the terms of the GNU General Public License as published by
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         | 8 |  |  | the Free Software Foundation; either version 2, or (at your option)
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         | 9 |  |  | any later version.
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         | 10 |  |  |  
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         | 11 |  |  | GNU Classpath is distributed in the hope that it will be useful, but
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         | 12 |  |  | WITHOUT ANY WARRANTY; without even the implied warranty of
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         | 13 |  |  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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         | 14 |  |  | General Public License for more details.
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         | 15 |  |  |  
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         | 16 |  |  | You should have received a copy of the GNU General Public License
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         | 17 |  |  | along with GNU Classpath; see the file COPYING.  If not, write to the
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         | 18 |  |  | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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         | 19 |  |  | 02110-1301 USA.
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         | 20 |  |  |  
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         | 21 |  |  | Linking this library statically or dynamically with other modules is
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         | 22 |  |  | making a combined work based on this library.  Thus, the terms and
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         | 23 |  |  | conditions of the GNU General Public License cover the whole
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         | 24 |  |  | combination.
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         | 25 |  |  |  
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         | 26 |  |  | As a special exception, the copyright holders of this library give you
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         | 27 |  |  | permission to link this library with independent modules to produce an
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         | 28 |  |  | executable, regardless of the license terms of these independent
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         | 29 |  |  | modules, and to copy and distribute the resulting executable under
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         | 30 |  |  | terms of your choice, provided that you also meet, for each linked
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         | 31 |  |  | independent module, the terms and conditions of the license of that
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         | 32 |  |  | module.  An independent module is a module which is not derived from
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         | 33 |  |  | or based on this library.  If you modify this library, you may extend
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         | 34 |  |  | this exception to your version of the library, but you are not
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         | 35 |  |  | obligated to do so.  If you do not wish to do so, delete this
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         | 36 |  |  | exception statement from your version. */
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         | 37 |  |  |  
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         | 38 |  |  | package javax.swing;
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         | 39 |  |  |  
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         | 40 |  |  | import java.awt.event.ActionListener;
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         | 41 |  |  | import java.beans.PropertyChangeListener;
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         | 42 |  |  |  
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         | 43 |  |  | /**
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         | 44 |  |  |  * Provides a convenient central point of control for some task
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         | 45 |  |  |  * that can be triggered by more than one control in a Swing user interface
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         | 46 |  |  |  * (for example, a menu item and a toolbar button).
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         | 47 |  |  |  *
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         | 48 |  |  |  * @see AbstractButton#setAction(Action)
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         | 49 |  |  |  *
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         | 50 |  |  |  * @author Ronald Veldema (rveldema@cs.vu.nl)
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         | 51 |  |  |  * @author Andrew Selkirk
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         | 52 |  |  |  */
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         | 53 |  |  | public interface Action extends ActionListener {
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         | 54 |  |  |  
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         | 55 |  |  |   /**
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         | 56 |  |  |    * A key to access the default property for the action (this is not used).
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         | 57 |  |  |    */
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         | 58 |  |  |   String DEFAULT = "Default";
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         | 59 |  |  |  
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         | 60 |  |  |   /**
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         | 61 |  |  |    * A key to access the long description for the action.
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         | 62 |  |  |    */
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         | 63 |  |  |   String LONG_DESCRIPTION = "LongDescription";
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         | 64 |  |  |  
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         | 65 |  |  |   /**
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         | 66 |  |  |    * A key to access the name for the action.
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         | 67 |  |  |    */
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         | 68 |  |  |   String NAME = "Name";
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         | 69 |  |  |  
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         | 70 |  |  |   /**
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         | 71 |  |  |    * A key to access the short description for the action (the short
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         | 72 |  |  |    * description is typically used as the tool tip text).
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         | 73 |  |  |    */
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         | 74 |  |  |   String SHORT_DESCRIPTION = "ShortDescription";
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         | 75 |  |  |  
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         | 76 |  |  |   /**
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         | 77 |  |  |    * A key to access the icon for the action.
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         | 78 |  |  |    */
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         | 79 |  |  |   String SMALL_ICON = "SmallIcon";
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         | 80 |  |  |  
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         | 81 |  |  |   /**
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         | 82 |  |  |    * A key to access the {@link KeyStroke} used as the accelerator for the
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         | 83 |  |  |    * action.
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         | 84 |  |  |    */
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         | 85 |  |  |   String ACCELERATOR_KEY = "AcceleratorKey";
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         | 86 |  |  |  
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         | 87 |  |  |   /**
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         | 88 |  |  |    * A key to access the action command string for the action.
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         | 89 |  |  |    */
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         | 90 |  |  |   String ACTION_COMMAND_KEY = "ActionCommandKey";
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         | 91 |  |  |  
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         | 92 |  |  |   /**
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         | 93 |  |  |    * A key to access the mnemonic for the action.
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         | 94 |  |  |    */
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         | 95 |  |  |   String MNEMONIC_KEY = "MnemonicKey";
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         | 96 |  |  |  
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         | 97 |  |  |   /**
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         | 98 |  |  |    * Returns the value associated with the specified key.
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         | 99 |  |  |    *
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         | 100 |  |  |    * @param key  the key (not <code>null</code>).
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         | 101 |  |  |    *
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         | 102 |  |  |    * @return The value associated with the specified key, or
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         | 103 |  |  |    *         <code>null</code> if the key is not found.
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         | 104 |  |  |    */
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         | 105 |  |  |   Object getValue(String key);
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         | 106 |  |  |  
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         | 107 |  |  |   /**
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         | 108 |  |  |    * Sets the value associated with the specified key and sends a
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         | 109 |  |  |    * {@link java.beans.PropertyChangeEvent} to all registered listeners.
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         | 110 |  |  |    * The standard keys are defined in this interface: {@link #NAME},
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         | 111 |  |  |    * {@link #SHORT_DESCRIPTION}, {@link #LONG_DESCRIPTION},
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         | 112 |  |  |    * {@link #SMALL_ICON}, {@link #ACTION_COMMAND_KEY},
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         | 113 |  |  |    * {@link #ACCELERATOR_KEY} and {@link #MNEMONIC_KEY}. Any existing value
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         | 114 |  |  |    * associated with the key will be overwritten.
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         | 115 |  |  |    *
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         | 116 |  |  |    * @param key  the key (not <code>null</code>).
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         | 117 |  |  |    * @param value  the value (<code>null</code> permitted).
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         | 118 |  |  |    */
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         | 119 |  |  |   void putValue(String key, Object value);
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         | 120 |  |  |  
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         | 121 |  |  |   /**
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         | 122 |  |  |    * Returns the flag that indicates whether or not this action is enabled.
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         | 123 |  |  |    *
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         | 124 |  |  |    * @return The flag.
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         | 125 |  |  |    */
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         | 126 |  |  |   boolean isEnabled();
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         | 127 |  |  |  
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         | 128 |  |  |   /**
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         | 129 |  |  |    * Sets the flag that indicates whether or not this action is enabled.  If
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         | 130 |  |  |    * the value changes, a {@link java.beans.PropertyChangeEvent} is sent to
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         | 131 |  |  |    * all registered listeners.
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         | 132 |  |  |    *
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         | 133 |  |  |    * @param b  the new value of the flag.
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         | 134 |  |  |    */
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         | 135 |  |  |   void setEnabled(boolean b);
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         | 136 |  |  |  
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         | 137 |  |  |   /**
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         | 138 |  |  |    * Registers a listener to receive notification whenever one of the
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         | 139 |  |  |    * action's properties is modified.
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         | 140 |  |  |    *
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         | 141 |  |  |    * @param listener  the listener.
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         | 142 |  |  |    */
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         | 143 |  |  |   void addPropertyChangeListener(PropertyChangeListener listener);
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         | 144 |  |  |  
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         | 145 |  |  |   /**
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         | 146 |  |  |    * Deregisters a listener so that it no longer receives notification of
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         | 147 |  |  |    * changes to the action's properties.
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         | 148 |  |  |    *
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         | 149 |  |  |    * @param listener  the listener.
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         | 150 |  |  |    */
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         | 151 |  |  |   void removePropertyChangeListener(PropertyChangeListener listener);
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         | 152 |  |  |  
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         | 153 |  |  | } // Action
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