wetheinter.net.dev.gui.SingleFileSelector Maven / Gradle / Ivy

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package wetheinter.net.dev.gui;

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class SingleFileSelector extends JPanel{

  private static final long serialVersionUID = 1213610727860383569L;

  private final JButton button;
  private final JLabel label;
  private final JFileChooser chooser;

  private int mode;

  private String buttonText;
  
  public SingleFileSelector() {
    super(new GridLayout(1,2,10,5));
    button = new JButton("Select File");
    label = new JLabel();
    chooser = new JFileChooser();
    init();
  }


  public SingleFileSelector(String text) {
    this();
    buttonText = text;
    button.setText(buttonText);
    init();
  }
  
  public void setChooserType(int type){
    chooser.setFileSelectionMode(type);
    this.mode = type;
    if (null==buttonText)
    button.setText("Select "+(
        type == JFileChooser.DIRECTORIES_ONLY
        ?"Directory":
        type == JFileChooser.FILES_AND_DIRECTORIES
        ?"File or Directory":
        "File"
        ));
  }
  
  protected void init() {
    if (getComponentCount()>0)return;
    button.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        //popup a JFileChooser
        chooser.showOpenDialog(null);
      }
    });
    chooser.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        File file = chooser.getSelectedFile();
        if (null==file){
        }else{
          switch(mode){
            case JFileChooser.DIRECTORIES_ONLY:
              if (!file.isDirectory()){
                //show an error
              }
            case JFileChooser.FILES_ONLY:
            case JFileChooser.FILES_AND_DIRECTORIES:
            default:
          }
          setFile(file);
        }
        
      }
    });
    add(button);
//    add(Box.createHorizontalGlue());
    add(label);
    setAlignmentX(0);
  }


  public void setFile(File baseDir) {
    label.setText(baseDir.toString());
    chooser.setCurrentDirectory(baseDir);
  }
  
}