001    /*
002      Copyright (C) 2001-2002 Renaud Pawlak, Laurent Martelli
003      
004      This program is free software; you can redistribute it and/or modify
005      it under the terms of the GNU Lesser General Public License as
006      published by the Free Software Foundation; either version 2 of the
007      License, or (at your option) any later version.
008    
009      This program is distributed in the hope that it will be useful,
010      but WITHOUT ANY WARRANTY; without even the implied warranty of
011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012      GNU Lesser General Public License for more details.
013    
014      You should have received a copy of the GNU Lesser General Public License
015      along with this program; if not, write to the Free Software
016      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
017    
018    package org.objectweb.jac.aspects.gui;
019    
020    import org.objectweb.jac.core.rtti.FieldItem;
021    
022    /**
023     * This interface represents viewers for field items. */
024    
025    public interface FieldView extends View {
026        /**
027         * Sets the substance object holding the field
028         * @param substance the substance
029         * @see #getSubstance()
030         */
031        void setSubstance(Object substance);
032    
033        /**
034         * Gets the substance object holding the field
035         * @param substance the substance
036         * @see #setSubstance(Object)
037         */
038        Object getSubstance();
039    
040        /**
041         * Sets the value to display
042         * @param value the value
043         */
044        void setValue(Object value);
045    
046        /**
047         * Sets the field being displayed
048         * @param field the field
049         */
050        void setField(FieldItem field);
051    
052        /**
053         * @return the field item
054         */
055        FieldItem getField();
056    
057        /**
058         * Sets the auto-update property of the view. If auto-update is
059         * true (which is the default), the view registers for changes on
060         * field it displays.
061         */
062        void setAutoUpdate(boolean autoUpdate);
063    }