PropertiesTableModel.java

import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import java.util.*;
import java.io.*;
public class PropertiesTableModel extends AbstractTableModel{
  public final static int NONE=0;
  public final static int VALUE=1;
  public final static int BOTH=2;
  public int thisEditable=NONE;
  private String thePath=null;
  private Properties theProperties=new Properties();
  private ArrayList dataList=new ArrayList();
  private String[] columnname=new String[]{"Key","Value"};
  public PropertiesTableModel(String systemid) throws FileNotFoundException,IOException{
    setSystemid(systemid);
    theProperties.load(new FileInputStream(thePath));
    setDatas();
  }
  public PropertiesTableModel(String path,int editable) throws FileNotFoundException,IOException{
    setSystemid(path);
    theProperties.load(new FileInputStream(thePath));
    setEditable(editable);
    setDatas();
  }
  public Properties getProperties(){
    return theProperties;
  }
  public void setSystemid(String path){
    thePath=path;
  }
  public void setEditable(int editable){
    thisEditable=editable;
  }
  public int getEditable(){
    return thisEditable;
  }
  public int getRowCount(){
    return dataList.size()/2;
  }
  public int getColumnCount(){
    return 2;
  }
  public Object getValueAt(int row, int column){
    String[] keys=getKeys();
    if(column==0){
      return dataList.get(row*2);
    }else if(column==1){
      return dataList.get(row*2+1);
    }else{
      return null;
    }
  }
  public void setValueAt(Object a,int row,int column){
    if(column==0){
      dataList.set(2*row,(String)a);
    }
    else if(column==1){
      dataList.set(2*row+1,(String)a);
    }
  }
  public String getColumnName(int column){
    return columnname[column];
  }
  public boolean isCellEditable(int rowindex,int colindex){
    if(thisEditable==2){
      return true;
    }else if(thisEditable==1){
      if(colindex==1){
        return true;
      }else{
        return false;
      }
    }else{
      return false;
    }
  }
  public void updateProperties(){
    Properties newProperties=new Properties();
    for(int i=0;i<dataList.size()/2;i++){
      newProperties.put(dataList.get(i*2),dataList.get(i*2+1));
    }
    theProperties=newProperties;
  }
  public void store()
    throws IOException,FileNotFoundException
  {
    store(thePath);
  }
  public void store(String path)
    throws IOException,FileNotFoundException
  {
    updateProperties();
    FileOutputStream fos=new FileOutputStream(path);
    theProperties.store(fos,"");
  }
  public void insertEmptyRow(){
    dataList.add("");
    dataList.add("");
    fireTableDataChanged();
  }
  public void deleteRow(int index){
    dataList.remove(index*2);
    dataList.remove(index*2);
    fireTableDataChanged();
  }
  public void deleteRows(int[] indexs){
    for(int i=0;i<indexs.length;i++){
      deleteRow(indexs[i]);
    }
  }
  private void setDatas(){
    String[] keys=getKeys();
    for(int i=0;i<keys.length;i++){
      dataList.add(2*i,keys[i]);
      dataList.add(2*i+1,theProperties.get(keys[i]));
    }
  }
  private String[] getKeys(){
    String[] keys=new String[theProperties.size()];
    int i=0;
    for (Enumeration e=theProperties.keys();e.hasMoreElements();){
      keys[i]=(String)e.nextElement();
      i=i+1;
    }
    return keys;
  }
}