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| author | Tom Tromey <tromey@gcc.gnu.org> | 2000-05-19 17:55:34 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2000-05-19 17:55:34 +0000 |
| commit | 6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef (patch) | |
| tree | 88cf0d32aea197ea8e8198e1206b04c820308615 /libjava/java/beans/DesignMode.java | |
| parent | 021c89ed68c151c45021fccf1bb5338ee817314c (diff) | |
| download | gcc-6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef.zip gcc-6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef.tar.gz gcc-6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef.tar.bz2 | |
Jumbo patch:
* Imported beans and serialization
* Updated IA-64 port
* Miscellaneous bug fixes
From-SVN: r34028
Diffstat (limited to 'libjava/java/beans/DesignMode.java')
| -rw-r--r-- | libjava/java/beans/DesignMode.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libjava/java/beans/DesignMode.java b/libjava/java/beans/DesignMode.java new file mode 100644 index 0000000..b7782f9 --- /dev/null +++ b/libjava/java/beans/DesignMode.java @@ -0,0 +1,82 @@ +/* java.beans.DesignMode + Copyright (C) 1999 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + +package java.beans; + +/** + * <code>BeanContextChild</code> implementors implement this to get information about whether they are in a design time or runtime environment. + * The reason this is restricted to <code>BeanContextChild</code>ren is that + * only things in the <code>BeanContext</code> hierarchy are given this + * information in the first place. + * + * @author John Keiser + * @since JDK1.2 + * @see java.beans.beancontext.BeanContextChild + */ + +public interface DesignMode { + /** + * Use this name when firing <code>PropertyChangeEvent</code>s from your Bean. + * @fixme Check whether PROPERTYNAME is set to same value as Sun. + */ + public static final String PROPERTYNAME = "designTime"; + + /** + * The environment will call this method on your + * <code>BeanContextChild</code> when it is registered in a parent + * <code>BeanContext</code> or when behavior needs to switch from + * design time to runtime behavior (or vice versa). + * <P> + * + * <code>BeanContext</code>s are required to fire + * <code>PropertyChangeEvent</code>s when properties change. + * <code>designTime</code> is a property, and therefore when you + * implement <code>setDesignTime()</code>, you need to fire a + * <code>PropertyChangeEvent</code> with the old value, the new + * value and using <code>PROPERTYNAME</code> as the property name. + * + * @param designTime the new value of design time, + * <code>true</code> if it is design time, + * <code>false</code> if it is runtime. + * + * @fixme I'm frankly not really sure whether it's the case that + * the BeanContext can <em>change</em> the status of the Bean from + * design time to runtime. But it appears that it may be so. + * + * @see java.util.PropertyChangeEvent + * @see java.beans.beancontext.BeanContext + * @see #PROPERTYNAME + */ + public void setDesignTime(boolean designTime); + + /** + * This method should tell whether it is design time or runtime. + * @return <code>true</code> if design time, <code>false</code> if + * runtime. + */ + public boolean isDesignTime(); +} |