Logo Search packages:      
Sourcecode: wims version File versions

HistoryTextFieldChoice.java

package rene.gui;

import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import rene.util.FileName;
import rene.util.MyVector;
import rene.util.list.ListClass;
import rene.util.list.ListElement;

public class HistoryTextFieldChoice extends MyChoice
      implements ItemListener
{     HistoryTextField T;
      DoActionListener AL;
      MyVector V=new MyVector();
      public int MaxLength=32;

      public HistoryTextFieldChoice (HistoryTextField t)
      {     T=t;
            addItemListener(this);
      }
      
      public void setDoActionListener (DoActionListener al)
      {     AL=al;
      }
      
      public void itemStateChanged (ItemEvent e)
      {     int n=getSelectedIndex();
            String s=(String)V.elementAt(n);
            if (s.equals("   ")) return;
            if (AL!=null) AL.doAction(s); 
            else T.doAction(s);
      }
      
      public void update ()
      {     removeAll();
            V.removeAllElements();
            ListClass l=T.getHistory();
            ListElement e=l.last();
            if (e==null || ((String)e.content()).equals(""))
            {     V.addElement("   ");
                  add("   ");
            }
            while (e!=null)
            {     String s=(String)e.content();
                  if (!s.equals(""))
                  {     V.addElement(s);
                        add(FileName.chop(s,MaxLength));
                  }
                  e=e.previous();
            }
      }
      
      public String getRecent ()
      {     if (V.size()>1) return (String)V.elementAt(1);
            else return "";
      }
}

Generated by  Doxygen 1.6.0   Back to index