| 1 | /* java.beans.DesignMode
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| 2 | Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA
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| 19 | 02111-1307 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 |
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| 39 | package java.beans;
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| 40 |
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| 41 | /**
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| 42 | * <code>BeanContextChild</code> implementors implement this to get information about whether they are in a design time or runtime environment.
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| 43 | * The reason this is restricted to <code>BeanContextChild</code>ren is that
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| 44 | * only things in the <code>BeanContext</code> hierarchy are given this
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| 45 | * information in the first place.
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| 46 | *
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| 47 | * @author John Keiser
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| 48 | * @since JDK1.2
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| 49 | * @see java.beans.beancontext.BeanContextChild
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| 50 | */
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| 51 |
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| 52 | public interface DesignMode {
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| 53 | /**
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| 54 | * Use this name when firing <code>PropertyChangeEvent</code>s from your Bean.
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| 55 | * @fixme Check whether PROPERTYNAME is set to same value as Sun.
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| 56 | */
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| 57 | public static final String PROPERTYNAME = "designTime";
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| 58 |
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| 59 | /**
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| 60 | * The environment will call this method on your
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| 61 | * <code>BeanContextChild</code> when it is registered in a parent
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| 62 | * <code>BeanContext</code> or when behavior needs to switch from
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| 63 | * design time to runtime behavior (or vice versa).
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| 64 | * <P>
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| 65 | *
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| 66 | * <code>BeanContext</code>s are required to fire
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| 67 | * <code>PropertyChangeEvent</code>s when properties change.
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| 68 | * <code>designTime</code> is a property, and therefore when you
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| 69 | * implement <code>setDesignTime()</code>, you need to fire a
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| 70 | * <code>PropertyChangeEvent</code> with the old value, the new
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| 71 | * value and using <code>PROPERTYNAME</code> as the property name.
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| 72 | *
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| 73 | * @param designTime the new value of design time,
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| 74 | * <code>true</code> if it is design time,
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| 75 | * <code>false</code> if it is runtime.
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| 76 | *
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| 77 | * @fixme I'm frankly not really sure whether it's the case that
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| 78 | * the BeanContext can <em>change</em> the status of the Bean from
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| 79 | * design time to runtime. But it appears that it may be so.
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| 80 | *
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| 81 | * @see java.util.PropertyChangeEvent
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| 82 | * @see java.beans.beancontext.BeanContext
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| 83 | * @see #PROPERTYNAME
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| 84 | */
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| 85 | public void setDesignTime(boolean designTime);
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| 86 |
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| 87 | /**
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| 88 | * This method should tell whether it is design time or runtime.
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| 89 | * @return <code>true</code> if design time, <code>false</code> if
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| 90 | * runtime.
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| 91 | */
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| 92 | public boolean isDesignTime();
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| 93 | }
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