strseldia.java

JTREE的例子

package util4;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import util2.*;
import util3.*;


public class StrSelDia extends JDialog
{
  JPanel jPanel1 = new JPanel();
  GridBagLayout gridBagLayout1 = new GridBagLayout();
  JLabel lab1 = new JLabel();
  JTextField tf = new JTextField();
  JLabel nulLab1 = new JLabel();
  JButton finishBut = new JButton();
  JButton continueBut = new JButton();
  JRadioButton bacRadi = new JRadioButton();
  JRadioButton forRadi = new JRadioButton();
  JLabel jLabel1 = new JLabel();

  FindStrListener fsl;
  String strToFind="";

  public StrSelDia(Frame frame,String title)
  {
    super(frame,title,false);
    try{jbInit();}
    catch(Exception e){e.printStackTrace();}
  }

  private void jbInit() throws Exception
  {
    jPanel1.setLayout(gridBagLayout1);
    lab1.setFont(new java.awt.Font("Dialog", 1, 14));
    lab1.setText("String to find : ");
    tf.setFont(new java.awt.Font("Dialog", 0, 14));
    tf.setCaretPosition(0);
    tf.setText(" ");
    tf.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        continueBut.doClick();
      }
    });
    nulLab1.setFont(new java.awt.Font("Dialog", 1, 18));
    nulLab1.setText(" ");
    finishBut.setActionCommand("cancelBut");
    finishBut.setText("Finish");
    continueBut.setActionCommand("okBut");
    continueBut.setText("Continue");
    bacRadi.setText("Backward");
    bacRadi.setForeground(SystemColor.textHighlight);
    bacRadi.setFont(new java.awt.Font("Dialog", 1, 13));
    forRadi.setText("Forward");
    forRadi.setForeground(SystemColor.textHighlight);
    forRadi.setFont(new java.awt.Font("Dialog", 1, 13));
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 13));
    jLabel1.setText(" ");
    this.getContentPane().add(jPanel1, BorderLayout.CENTER);
    jPanel1.add(lab1, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(tf, new GridBagConstraints(1, 0, 3, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(jLabel1, new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(nulLab1, new GridBagConstraints(1, 1, 3, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(finishBut, new GridBagConstraints(3, 4, 1, 1, 0.0, 0.0
            ,GridBagConstraints.SOUTH, GridBagConstraints.NONE, new Insets(0, 0, 0, 15), 0, 0));
    jPanel1.add(continueBut,        new GridBagConstraints(1, 4, 2, 1, 0.0, 0.0
            ,GridBagConstraints.SOUTH, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(forRadi, new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    jPanel1.add(bacRadi, new GridBagConstraints(2, 2, 2, 1, 0.0, 0.0
            ,GridBagConstraints.SOUTH, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    tf.setColumns(20);
    forRadi.setSelected(true);
    setBounds(200,190,340,160);

    forRadi.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        bacRadi.setSelected(false);
      }
    });

    bacRadi.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        forRadi.setSelected(false);
      }
    });

    finishBut.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        StrSelDia.this.setVisible(false);
      }
    });

    continueBut.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        if((strToFind=tf.getText()).length()==0) return;
        if(!forRadi.isSelected()){
          fsl.backward(strToFind);
        }
        else fsl.forward(strToFind);
      }
    });

    this.addWindowListener(new WindowAdapter(){
      public void windowClosing(WindowEvent e){
        StrSelDia.this.setVisible(false);
      }
    });
  }

  public void addFindStrListener(FindStrListener li){
    this.fsl=li;
  }

  public void showIt(){
    this.tf.setText(this.strToFind);
    this.setVisible(true);
    //tf.selectAll();
  }

  public static void main(String[] arg){/*
    JFrame jf=new JFrame("try");
    jf.setBounds(200,200,200,200);
    StrSelDia ssp=new StrSelDia("Find string");
    ssp.setBounds(250,250,400,150);
    jf.show();
    ssp.show();*/
  }
}