lblstyleeditor.java

java bean 编程程序

package chapter8;

import java.beans.*;

public class LblStyleEditor
    extends PropertyEditorSupport
{
    static String[] resourceStrings ={"英文标签","中文标签","数学标签",};
    static int[] intValues ={0,1,2,};
    static String[] sourceCodeStrings ={"RangeBean.EN_LABLE_STYLE",
                                        "RangeBean.CN_LABLE_STYLE",
                                        "RangeBean.MATH_LABLE_STYLE",};

    public LblStyleEditor()
    {
    }

    public String[] getTags()
    {
        return resourceStrings;
    }

    public String getJavaInitializationString()
    {
        Object value = getValue();
        for (int i = 0; i < intValues.length; i++)
        {
            if (value.equals(new Integer(intValues[i])))
            {
                return sourceCodeStrings[i];
            }
        }
        return null;
    }

    public String getAsText()
    {
        Object value = getValue();
        for (int i = 0; i < intValues.length; i++)
        {
            if (value.equals(new Integer(intValues[i])))
            {
                return resourceStrings[i];
            }
        }
        return null;
    }

    public void setAsText(String text)
        throws IllegalArgumentException
    {
        for (int i = 0; i < resourceStrings.length; i++)
        {
            if (text.equals(resourceStrings[i]))
            {
                setValue(new Integer(intValues[i]));
                return;
            }
        }
        throw new IllegalArgumentException();
    }
}