selectsavedia.java

JTREE的例子

package util4;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import util2.*;
import util3.*;
import util5.*;

public class SelectSaveDia extends JDialog {
  JPanel jPanel1 = new JPanel();
  JScrollPane scroPan = new JScrollPane();
  BorderLayout borderLayout1 = new BorderLayout();
  JPanel topPan = new JPanel(new FlowLayout(0,20,10));
  JLabel jLabel1 = new JLabel();
  JPanel centerPan = new JPanel();
  GridLayout gridLayout1 = new GridLayout();
  JPanel eastPan = new JPanel();
  JButton okBut = new JButton();
  JButton cancelBut = new JButton();
  GridLayout gridLayout2 = new GridLayout(5,1,4,10);

  int compIndex=-1;
  Vector vec=new Vector();
  YorNListener ynl=null;

  public SelectSaveDia(Frame frame,String title,boolean modal) {
    super(frame,title,modal);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    jPanel1.setLayout(borderLayout1);
    jLabel1.setFont(new java.awt.Font("Serif", 1, 14));
    jLabel1.setText("Will you save them ?");
    centerPan.setLayout(gridLayout1);
    scroPan.getViewport().setBackground(SystemColor.scrollbar);
    scroPan.setBorder(BorderFactory.createLoweredBevelBorder());
    eastPan.setLayout(gridLayout2);
    okBut.setActionCommand("okBut");
    okBut.setText("OK");
    cancelBut.setActionCommand("cancelBut");
    cancelBut.setText("Cancel");
    this.getContentPane().add(jPanel1, BorderLayout.CENTER);
    jPanel1.add(scroPan, BorderLayout.CENTER);
    scroPan.getViewport().add(centerPan, null);
    jPanel1.add(topPan, BorderLayout.NORTH);
    topPan.add(jLabel1, null);
    jPanel1.add(eastPan, BorderLayout.EAST);
    eastPan.add(okBut, null);
    eastPan.add(cancelBut, null);
    setBounds(250,180,300,270);

    this.addWindowListener(new WindowAdapter(){
      public void windowClosing(WindowEvent e) {
        SelectSaveDia.this.setVisible(false);
        SelectSaveDia.this.ynl.gotYes(YorNListener.cancel);
      }
    });

    okBut.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        SelectSaveDia.this.setVisible(false);
        SelectSaveDia.this.ynl.gotYes(YorNListener.yes);
      }
    });

    cancelBut.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        SelectSaveDia.this.setVisible(false);
        SelectSaveDia.this.ynl.gotYes(YorNListener.no);
      }
    });
  }

  public void addQues(ContainEdi edi){
    //this.centerPan.add(
    //  new JCheckBox(" "+edi.getFile().getAbsolutePath()),++compIndex);
    JCheckBox jcb=new JCheckBox(" "+edi.getFile().getAbsolutePath());
    jcb.setBackground(Color.white);
    jcb.setSelected(true);
    this.centerPan.add(jcb,++compIndex);
    this.vec.addElement(edi);
  }

  public ContainEdi[] returnResult(){
    Component[] com=this.centerPan.getComponents();
    Vector v=new Vector();
    for(int i=0;i<com.length;i++){
      JCheckBox jcb=(JCheckBox)(com[i]);
      if(jcb.isSelected()){v.addElement((ContainEdi)(this.vec.get(i)));}
    }
    //return (ContainEdi[])(v.toArray()); //here may couse some error.
    ContainEdi[] edi=new ContainEdi[v.size()];
    for(int j=0;j<v.size();j++){
      edi[j]=(ContainEdi)(v.elementAt(j));
    }
    return edi;
  }

  public void addYorNListener(YorNListener l){
    this.ynl=l;
    this.centerPan.setLayout(new GridLayout((this.compIndex+1),1,2,5));
    centerPan.doLayout();
    this.setVisible(true);
  }

  public void resetAll(){
    this.vec=new Vector();
    this.ynl=null;
    this.centerPan.removeAll();
    this.compIndex=-1;
  }
}