drawingattributespropertyeditor.java

OpenMap是一个基于JavaBeansTM的开发工具包。利用OpenMap你就能够快速构建用于访问legacy数据库的应用程序与applets。OpenMap提供了允许用户查看和操作地理空间信息的

// **********************************************************************
// 
// <copyright>
// 
//  BBN Technologies
//  10 Moulton Street
//  Cambridge, MA 02138
//  [phone]
// 
//  Copyright (C) BBNT Solutions LLC. All rights reserved.
// 
// </copyright>
// **********************************************************************
// 
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/omGraphics/DrawingAttributesPropertyEditor.java,v $
// $RCSfile: DrawingAttributesPropertyEditor.java,v $
// $Revision: 1.2.2.2 $
// $Date: 2006/12/15 18:50:46 $
// $Author: dietrick $
// 
// **********************************************************************

package com.bbn.openmap.omGraphics;

import java.awt.Component;
import java.awt.event.FocusEvent;
import java.util.Properties;

import com.bbn.openmap.util.PropUtils;
import com.bbn.openmap.util.propertyEditor.PropertyConsumerPropertyEditor;

/**
 * A PropertyEditor for a set of DrawingAttributes properties, providing the
 * standard DrawingAttributes GUI for property configuration.
 */
public class DrawingAttributesPropertyEditor extends
        PropertyConsumerPropertyEditor {

    protected DrawingAttributes drawingAttributes;

    public DrawingAttributesPropertyEditor() {}

    public boolean supportsCustomEditor() {
        return true;
    }

    public void setCustomEditor(Component comp) {
    }

    /** Returns the editor GUI. */
    public Component getCustomEditor() {
        return getDrawingAttributes().getGUI();
    }

    public DrawingAttributes getDrawingAttributes() {
        if (drawingAttributes == null) {
            drawingAttributes = DrawingAttributes.getDefaultClone();
        }
        return drawingAttributes;
    }

    public void setDrawingAttributes(DrawingAttributes drawingAttributes) {
        this.drawingAttributes = drawingAttributes;
    }

    public void focusGained(FocusEvent e) {}

    public void focusLost(FocusEvent e) {
        firePropertyChange();
    }

    public String getAsText() {
        return "";
    }
    
    /**
     * @param prefix the token to prefix the property names
     * @param props the <code>Properties</code> object
     */
    public void setProperties(String prefix, Properties props) {
        prefix = PropUtils.decodeDummyMarkerFromPropertyInfo(prefix);
        getDrawingAttributes().setProperties(prefix, props);
    }

    public Properties getProperties(Properties props) {
        if (drawingAttributes != null) {
            return drawingAttributes.getProperties(props);
        } else {
            return props;
        }
    }

}