mylistmodel.java

通讯采集软件

/*
 * MyListModel.java
 *
 * Created on 2003年8月7日, 上午10:19
 */
package pbs.application.iiop.GUI;

import javax.swing.*;
import java.util.*;
/**
 *
 * @author  dljf
 */
public class MyListModel extends DefaultListModel
{
    protected boolean m_RefeshTag     = true;
    protected boolean m_DataChanged = false;
    protected int m_MaxElementCounter = 20;
    /** Creates a new instance of MyListModel */
    public MyListModel()
    {
    }
    
    public void appendElement(String m_pString)
    {
        try
        {
            if(!m_RefeshTag) return;
            
            int m_ElementCount = this.getSize();
            int m_DelCount = m_ElementCount - m_MaxElementCounter ;
            if (m_DelCount >0)
            {
                for (int  i = 0 ; i < m_DelCount ; i++)
                    this.removeElementAt(0);
            }
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
        
        try
        {
            int StrLength = m_pString.length();
            int SubLength = 140;
            int StartPoint = 0;
            int EndPoint = 140;
            String SubStr = "";
            if(EndPoint >= StrLength)
                this.addElement(m_pString);
            else
            {
                while(EndPoint<=StrLength)
                {
                    SubStr = m_pString.substring(StartPoint,EndPoint);
                    this.addElement(SubStr);
                    StartPoint +=140;
                    EndPoint += 140;
                }
                if(StartPoint<StrLength)
                {
                    SubStr = m_pString.substring(StartPoint);
                    this.addElement(SubStr);
                }
            }
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
        m_DataChanged=true;
        
    }
    
    public boolean getDataChanged()
    {
        return  m_DataChanged;
    }
    
    public void setDataChanged(boolean m_DataChanged)
    {
        this.m_DataChanged=m_DataChanged;
    }
    
    public boolean getRefreshTag()
    {
        return m_RefeshTag;
    }
    
    public void setRefreshTag(boolean m_RefeshTag)
    {
        this.m_RefeshTag=m_RefeshTag;
    }
}