// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/util/propertyEditor/OptionPropertyEditor.java,v $// $RCSfile: OptionPropertyEditor.java,v $// $Revision: 1.1.2.2 $// $Date: 2004/10/14 18:27:47 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.util.propertyEditor;import com.bbn.openmap.util.Debug;import com.bbn.openmap.util.PropUtils;import java.awt.Component;import java.awt.event.FocusEvent;import java.util.Properties;import java.util.Vector;/** * The base class for property editors that support a list of options * being presented in the GUI. When defining the properties that the * property editor will use for a PropertyConsumer in the * getPropertyInfo method, just use the name of the property that the * options are being used for: *  * <pre> *  *  *  BigNameOptionProperty.options=option1 option2 option3 *  BigNameOptionProperty.option1=Big Name 1 *  BigNameOptionProperty.option2=Big Name 2 *  BigNameOptionProperty.option3=Big Name 3 *  *   * </pre> *  * Don't use the property prefix for the PropertyConsumer being * defined, only the property. */public abstract class OptionPropertyEditor extends        PropertyConsumerPropertyEditor {    public final static String OptionsProperty = "options";    public final static String ScopedOptionsProperty = ".options";    protected Component customEditor = null;    public OptionPropertyEditor() {}    public boolean supportsCustomEditor() {        return true;    }    public void setCustomEditor(Component comp) {        customEditor = comp;    }    /** Returns the editor GUI. */    public Component getCustomEditor() {        return customEditor;    }    public abstract void setOptions(String[] options);    /** Sets option based on string. */    public abstract void setValue(Object string);    /** Returns String from option choices. */    public abstract String getAsText();    public void focusGained(FocusEvent e) {}    public void focusLost(FocusEvent e) {        firePropertyChange();    }    /**     * @param prefix the token to prefix the property names     * @param props the <code>Properties</code> object     */    public void setProperties(String prefix, Properties props) {        // get the options, first from the space separated option        // property list, then from the properties using the marker        // names from that list.        String[] options = null;        prefix = PropUtils.getScopedPropertyPrefix(prefix);        String optionListProperty = props.getProperty(prefix + OptionsProperty);        if (optionListProperty != null) {            Vector optionVector = PropUtils.parseSpacedMarkers(optionListProperty);            options = new String[optionVector.size()];            for (int i = 0; i < options.length; i++) {                options[i] = props.getProperty(prefix                        + (String) optionVector.elementAt(i));            }            setOptions(options);        } else {            Debug.error("OptionPropertyEditor for " + prefix                    + " not given options");        }    }}