dl_searchtf.java

简易词典

import javax.swing.event.*;

public class DL_searchTF implements DocumentListener
{
     private WordFinder mainFrame;
     private WordList dictionary;

     public DL_searchTF(WordFinder mainFrame, WordList dictionary)
     {
          this.mainFrame = mainFrame;
          this.dictionary = dictionary;
     }

     public void insertUpdate(DocumentEvent de)
     {
          String input = mainFrame.getInput();
          if(input.length() == 0){
               mainFrame.setTotal(dictionary.getDictionarySize());
               mainFrame.setList(dictionary.getDictionary());
               return;
          }
          mainFrame.setList(dictionary.qeury(input));
          mainFrame.setStatistic(dictionary.getQueryResultSize());
     }

     public void removeUpdate(DocumentEvent de)
     {
          String input = mainFrame.getInput();
          if(input.length() == 0){
               mainFrame.setTotal(dictionary.getDictionarySize());
               mainFrame.setList(dictionary.getDictionary());
               return;
          }

          mainFrame.setList(dictionary.qeury(input));
          mainFrame.setStatistic(dictionary.getQueryResultSize());
     }

     public void changedUpdate(DocumentEvent de)
     {}
}