ovalbeanbeaninfo.java

来自「程序或系统实现的功能：编写一个实心圆组件」· Java 代码 · 共 63 行

package oval;

import java.beans.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2007</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class OvalBeanBeanInfo extends SimpleBeanInfo {
  Class beanClass = OvalBean.class;
  String iconColor16x16Filename;
  String iconColor32x32Filename;
  String iconMono16x16Filename;
  String iconMono32x32Filename;

  public OvalBeanBeanInfo() {
  }
  public PropertyDescriptor[] getPropertyDescriptors() {
    try {
      PropertyDescriptor _beancolor = new PropertyDescriptor("beancolor", beanClass, "getBeancolor", "setBeancolor");
      PropertyDescriptor _text = new PropertyDescriptor("text", beanClass, "getText", "setText");
      _text.setDisplayName("text");
      _text.setShortDescription("text");
      PropertyDescriptor[] pds = new PropertyDescriptor[] {
        _beancolor,
        _text};
      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;
  }
  public BeanInfo[] getAdditionalBeanInfo() {
    Class superclass = beanClass.getSuperclass();
    try {
      BeanInfo superBeanInfo = Introspector.getBeanInfo(superclass);
      return new BeanInfo[] { superBeanInfo };
    }
    catch(IntrospectionException ex) {
      ex.printStackTrace();
      return null;
    }
  }
}