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Diffstat (limited to 'libjava/java/beans/PropertyEditorSupport.java')
| -rw-r--r-- | libjava/java/beans/PropertyEditorSupport.java | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/libjava/java/beans/PropertyEditorSupport.java b/libjava/java/beans/PropertyEditorSupport.java deleted file mode 100644 index 6fadaccb8c6..00000000000 --- a/libjava/java/beans/PropertyEditorSupport.java +++ /dev/null @@ -1,195 +0,0 @@ -/* java.beans.PropertyEditorSupport - Copyright (C) 1998 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; - -/** - ** PropertyEditorSupport helps with PropertyEditors, - ** implementing base functionality that they usually must - ** have but which is a pain to implement. You may extend - ** from this class or use it as a standalone.<P> - ** - ** This class does not do any painting or actual editing. - ** For that, you must use or extend it. See the - ** PropertyEditor class for better descriptions of what - ** the various methods do. - ** - ** @author John Keiser - ** @since JDK1.1 - ** @version 1.1.0, 29 Jul 1998 - **/ - -public class PropertyEditorSupport implements PropertyEditor { - Object eventSource; - Object val; - PropertyChangeSupport pSupport; - - /** Call this constructor when you are deriving from - ** PropertyEditorSupport. - **/ - protected PropertyEditorSupport() { - this.eventSource = this; - this.pSupport = new PropertyChangeSupport(this); - } - - /** Call this constructor when you are using - ** PropertyEditorSupport as a helper object. - ** @param eventSource the source to use when firing - ** property change events. - **/ - protected PropertyEditorSupport(Object eventSource) { - this.eventSource = eventSource; - this.pSupport = new PropertyChangeSupport(this); - } - - /** Set the current value of the property. - ** <STRONG>Implementation Note</STRONG> Sun does not - ** state what exactly this version of the method does. - ** Thus, in this implementation, it sets the value, and - ** then if the old and new values are different, it - ** fires a property change event with no property name - ** and the old and new values. - ** @param val the new value for the property. - **/ - public void setValue(Object val) { - Object oldVal = val; - this.val = val; - if(!oldVal.equals(val)) { - pSupport.firePropertyChange(null,oldVal,val); - } - } - - /** Get the current value of the property. - ** @return the current value of the property. - **/ - public Object getValue() { - return val; - } - - /** Get whether this object is paintable or not. - ** @return <CODE>false</CODE> - **/ - public boolean isPaintable() { - return false; - } - - /** Paint this object. This class does nothing in - ** this method. - **/ - public void paintValue(java.awt.Graphics g, java.awt.Rectangle r) { - } - - /** Get the Java initialization String for the current - ** value of the Object. This class returns gibberish or - ** null (though the spec does not say which).<P> - ** <STRONG>Implementation Note:</STRONG> This class - ** returns the string "@$#^" to make sure the code will - ** be broken, so that you will know to override it when - ** you create your own property editor. - ** @return the Java initialization string. - **/ - public String getJavaInitializationString() { - return "@$#^"; - } - - /** Get the value as text. - ** In this class, you cannot count on getAsText() doing - ** anything useful, although in this implementation I - ** do toString(). - ** @return the value as text. - **/ - public String getAsText() { - return val != null ? val.toString() : "null"; - } - - /** Set the value as text. - ** In this class, you cannot count on setAsText() doing - ** anything useful across implementations. - ** <STRONG>Implementation Note:</STRONG> In this - ** implementation it checks if the String is "null", and - ** if it is, sets the value to null, otherwise it throws - ** an IllegalArgumentException. - ** @param s the text to convert to a new value. - ** @exception IllegalArgumentException if the text is - ** malformed. - **/ - public void setAsText(String s) throws IllegalArgumentException { - if(s.equals("null")) { - setValue(null); - } else { - throw new IllegalArgumentException(); - } - } - - /** Returns a list of possible choices for the value. - ** @return <CODE>null</CODE> - **/ - public String[] getTags() { - return null; - } - - /** Return a custom component to edit the value. - ** @return <CODE>null</CODE> in this class. - **/ - public java.awt.Component getCustomEditor() { - return null; - } - - /** Find out whether this property editor supports a - ** custom component to edit its value. - ** @return <CODE>false</CODE> in this class. - **/ - public boolean supportsCustomEditor() { - return false; - } - - /** Add a property change listener to this property editor. - ** @param l the listener to add. - **/ - public void addPropertyChangeListener(PropertyChangeListener l) { - pSupport.addPropertyChangeListener(l); - } - - /** Remove a property change listener from this property editor. - ** @param l the listener to remove. - **/ - public void removePropertyChangeListener(PropertyChangeListener l) { - pSupport.removePropertyChangeListener(l); - } - - - /** Notify people that we've changed, although we don't - ** tell them just how. The only thing I can think of to - ** send in the event is the new value (since the old value - ** is unavailable and there is no property name). - ** I confess I do not understand the point of this method. - **/ - public void firePropertyChange() { - pSupport.firePropertyChange(null,null,val); - } -} - |