taskeditwindow.java

一个应用timer的小程序

package net.sujee.javatimer;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Date;
import java.util.Calendar;
import net.sujee.util.IntegerInputField;
import net.sujee.util.DateInputField;


public class TaskEditWindow extends JDialog  implements ActionListener
{
   public JTextField mFieldTaskName,
                     mFieldTaskDesc;

   JLabel [] label = {  new JLabel ("Task Name"),
                           new JLabel ("Task Description"),
                           new JLabel ("Start Date"),
                           new JLabel ("FinishDate"),
                           new JLabel ("Totlal Time (mins)") };

   DateInputField mStartDate, mFinishDate;
   IntegerInputField mTotalTimeMins;

   boolean editResult;

   Task mTask;

   JButton mOkayButton = new JButton ("OK"),
           mCancelButton = new JButton ("Cancel");


   // BUGFIX : 133076
   // (http://sourceforge.net/bugs/?func=detailbug&bug_id=133076&group_id=10562)
   //        Making this dialog modal
   public TaskEditWindow (JFrame f, Task task)
   {
      super (f);
      setModal(true);
      setLocationRelativeTo(f);
      setSize (400,500);

      this.mTask = task;

      mFieldTaskName = new JTextField (task.mName);
      mFieldTaskDesc = new JTextField (task.mDescription);
      mStartDate = new DateInputField (task.mStartDate);
      mFinishDate = new DateInputField (task.mFinishDate);
      mTotalTimeMins = new IntegerInputField (0,Integer.MAX_VALUE);
      mTotalTimeMins.setText(""+task.getTime().inMinutes ());


      getContentPane().setLayout(new BorderLayout ());
      JPanel panel1 = new JPanel (new GridLayout (5,2));
      JPanel panel2 = new JPanel ();
      getContentPane().add (panel1, BorderLayout.CENTER);
      getContentPane().add (panel2, BorderLayout.SOUTH);



      panel1.add (label [0]);
      panel1.add (mFieldTaskName);
      panel1.add (label[1]);
      panel1.add (mFieldTaskDesc);
      panel1.add (label[2]);
      panel1.add (mStartDate);
      panel1.add (label[3]);
      panel1.add (mFinishDate);
      panel1.add (label [4]);
      panel1.add (mTotalTimeMins);
      panel1.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Task"));

      panel2.add (mOkayButton);
      panel2.add (mCancelButton);

      mOkayButton.addActionListener(this);
      mCancelButton.addActionListener(this);

      pack ();

      setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
      // also add window closing
      addWindowListener( new WindowAdapter ()
            {
            public void windowClosing (WindowEvent e)
            {
               editResult = false;
            }
            });



   }

   public void actionPerformed (ActionEvent e)
   {
      JButton src = (JButton) e.getSource();
      if (src == mOkayButton)
        editResult = true;
      else
         editResult = false;

      hide();
      dispose();
   }


   public boolean showEdit ()
   {
      show ();
      toFront();
      return editResult;
   }

   public Task getEditedTask ()
   {
      mTask.mName = mFieldTaskName.getText();
      mTask.mDescription = mFieldTaskDesc.getText();
      mTask.mStartDate = mStartDate.getDate();
      mTask.mFinishDate = mFinishDate.getDate();
      mTask.mLastModified = new Date ();
      try
      {
         mTask.mTimeSpent = mTotalTimeMins.getValue() * 60; // convert to secs
      }
      catch (NullPointerException e)
      {
         e.printStackTrace();
      }

      return mTask;
   }

   public static void main (String [] args)
   {
      JFrame frame = new JFrame ();
      TaskEditWindow edit = new TaskEditWindow (frame, new Task ("a", "aa"));

      if (edit.showEdit())
      {
         Task t = edit.getEditedTask();
         System.out.println( t.toString() );
      }
      else
        System.out.println("Cancelled");
   }
}