datebeanbeaninfo.java

Java实例入门

package beantest;

import java.beans.*;

/**
 * Title:        制作一个JavaBean
 * Description:  这个工程中我们制作了一个用于日期显示的JavaBean
 * Copyright:    Copyright (c) 2001
 * Company:
 * @author
 * @version 1.0
 */

public class DateBeanBeanInfo extends SimpleBeanInfo {
  Class beanClass = DateBean.class;
  String iconColor16x16Filename;
  String iconColor32x32Filename;
  String iconMono16x16Filename;
  String iconMono32x32Filename;

  public DateBeanBeanInfo() {
  }
  public BeanDescriptor getBeanDescriptor(){
      return new BeanDescriptor(DateBean.class, DateBeanCustomizer.class);
  }

  public PropertyDescriptor[] getPropertyDescriptors() {
    try {
      PropertyDescriptor _background = new PropertyDescriptor("background", beanClass, "getBackground", "setBackground");
      PropertyDescriptor _font = new PropertyDescriptor("font", beanClass, "getFont", "setFont");
      PropertyDescriptor _fontColor = new PropertyDescriptor("fontColor", beanClass, "getFontColor", "setFontColor");
      PropertyDescriptor _style = new PropertyDescriptor("style", beanClass, "getStyle", "setStyle");
      _style.setDisplayName("style");
      _style.setShortDescription("style");
      _style.setPropertyEditorClass(styleList.class);
      PropertyDescriptor _useMonthString = new PropertyDescriptor("useMonthString", beanClass, "isUseMonthString", "setUseMonthString");
      _useMonthString.setDisplayName("useMonthString");
      _useMonthString.setShortDescription("useMonthString");
      PropertyDescriptor[] pds = new PropertyDescriptor[] {
	      _background,
	      _font,
	      _fontColor,
	      _style,
	      _useMonthString};
      return pds;





}
    catch(IntrospectionException ex) {
      ex.printStackTrace();
      return null;
    }
  }
  public java.awt.Image getIcon(int iconKind) {
    switch (iconKind) {
    case BeanInfo.ICON_COLOR_16x16:
        return iconColor16x16Filename != null ? loadImage(iconColor16x16Filename) : null;
    case BeanInfo.ICON_COLOR_32x32:
        return iconColor32x32Filename != null ? loadImage(iconColor32x32Filename) : null;
    case BeanInfo.ICON_MONO_16x16:
        return iconMono16x16Filename != null ? loadImage(iconMono16x16Filename) : null;
    case BeanInfo.ICON_MONO_32x32:
        return iconMono32x32Filename != null ? loadImage(iconMono32x32Filename) : null;
        }
    return null;
  }
}