PC World 1998 October/PCWorld_1998-10_cd.bin/software/prehled/inprise/JRUNTIME.Z/DualListBox.java

Text File | 1998-05-08 | 5KB | 195 lines

// This snippet creates a panel containing two list boxes, and buttons to
// copy elements from one list to the other.
// <File=DualListBox.java>

//Title:
//Version:
//Copyright:
//Author:
//Company:
//Description:
//

//<PACKAGE>

import java.awt.*;
import java.awt.event.*;
import borland.jbcl.layout.*;
import borland.jbcl.control.*;

public class DualListBox extends BevelPanel {
  XYLayout xYLayout1 = new XYLayout();
  Label label1 = new Label();
  List source = new List();
  Label label2 = new Label();
  List destination = new List();
  Button addOne = new Button();
  Button addAll = new Button();
  Button removeOne = new Button();
  Button removeAll = new Button();
  Button ok = new Button();
  Button cancel = new Button();

  public DualListBox() {
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit()  throws Exception {
    xYLayout1.setWidth(368);
    xYLayout1.setHeight(231);
    label1.setText("Source list");
    label2.setText("Destination list");
    addOne.setLabel(">");
    addOne.addActionListener(new DualListBox_addOne_actionAdapter(this));
    addAll.setLabel(">>");
    addAll.addActionListener(new DualListBox_addAll_actionAdapter(this));
    removeOne.setLabel("<");
    removeOne.addActionListener(new DualListBox_removeOne_actionAdapter(this));
    removeAll.setLabel("<<");
    removeAll.addActionListener(new DualListBox_removeAll_actionAdapter(this));
    ok.setLabel("OK");
    ok.addActionListener(new DualListBox_ok_actionAdapter(this));
    cancel.setLabel("Cancel");
    cancel.addActionListener(new DualListBox_cancel_actionAdapter(this));
    this.setLayout(xYLayout1);
    this.add(label1, new XYConstraints(12, 4, 140, 14));
    this.add(source, new XYConstraints(12, 20, 140, 176));
    this.add(label2, new XYConstraints(214, 4, 140, 14));
    this.add(destination, new XYConstraints(214, 20, 140, 176));
    this.add(addOne, new XYConstraints(166, 35, 32, 21));
    this.add(addAll, new XYConstraints(166, 61, 32, 21));
    this.add(removeOne, new XYConstraints(166, 130, 32, 21));
    this.add(removeAll, new XYConstraints(166, 160, 32, 21));
    this.add(ok, new XYConstraints(198, 205, 72, 21));
    this.add(cancel, new XYConstraints(283, 205, 72, 21));
  }

  void addOne_actionPerformed(ActionEvent e) {
    if (source.getSelectedItem() != null) {
      destination.addItem(source.getSelectedItem());
      source.remove(source.getSelectedIndex());
    }
  }

  void addAll_actionPerformed(ActionEvent e) {
    for (int i = 0; i < source.getItemCount(); i++) {
      destination.addItem(source.getItem(i));
    }
    source.removeAll();
  }

  void removeOne_actionPerformed(ActionEvent e) {
    if (destination.getSelectedItem() != null) {
      source.addItem(destination.getSelectedItem());
      destination.remove(destination.getSelectedIndex());
    }
  }

  void removeAll_actionPerformed(ActionEvent e) {
    for (int i = 0; i < destination.getItemCount(); i++) {
      source.addItem(destination.getItem(i));
    }
    destination.removeAll();
  }

  void ok_actionPerformed(ActionEvent e) {

  }

  void cancel_actionPerformed(ActionEvent e) {

  }
//<Exclude>
  // Test case
  public static void main(String[] argv) {
    DecoratedFrame frame = new DecoratedFrame();
    DualListBox dlb=new DualListBox();
    dlb.source.addItem("One");
    dlb.source.addItem("Two");
    dlb.source.addItem("Three");
    dlb.source.addItem("Four");
    dlb.source.addItem("Five");
    frame.add(dlb);
    frame.pack();
    frame.show();
  }
//</Exclude>
}

class DualListBox_addOne_actionAdapter implements ActionListener {
  DualListBox adaptee;

  DualListBox_addOne_actionAdapter(DualListBox adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.addOne_actionPerformed(e);
  }
}

class DualListBox_addAll_actionAdapter implements ActionListener {
  DualListBox adaptee;

  DualListBox_addAll_actionAdapter(DualListBox adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.addAll_actionPerformed(e);
  }
}

class DualListBox_removeOne_actionAdapter implements ActionListener {
  DualListBox adaptee;

  DualListBox_removeOne_actionAdapter(DualListBox adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.removeOne_actionPerformed(e);
  }
}

class DualListBox_removeAll_actionAdapter implements ActionListener {
  DualListBox adaptee;

  DualListBox_removeAll_actionAdapter(DualListBox adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.removeAll_actionPerformed(e);
  }
}

class DualListBox_ok_actionAdapter implements ActionListener {
  DualListBox adaptee;

  DualListBox_ok_actionAdapter(DualListBox adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.ok_actionPerformed(e);
  }
}

class DualListBox_cancel_actionAdapter implements ActionListener {
  DualListBox adaptee;

  DualListBox_cancel_actionAdapter(DualListBox adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.cancel_actionPerformed(e);
  }
}