newdialog.java

WAP ide 代码

package wbmp;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import java.util.*;


/**
 * The new dialog used to set option in the WBMP Editor.
 * Copyright (c) 2003
 * @author Mark Busman
 * @version 1.0
 *
 * For License and contact information see WBMPEditor.java
 */

public class NewDialog extends JDialog {
  JPanel Mainpanel = new JPanel();
  JPanel jPanel1 = new JPanel();
  FlowLayout flowLayout1 = new FlowLayout();
  JButton CancelButton = new JButton();
  JButton OKButton = new JButton();
  JLabel jLabel1 = new JLabel();
  JTextField Widthtext = new JTextField();
  JLabel jLabel2 = new JLabel();
  JTextField Heighttext = new JTextField();
  GridLayout gridLayout1 = new GridLayout();

  private int width, height;
  private boolean OKPressed = false;

  /** Constructor - constructs a new NewDialog object. */
  public NewDialog() {
    try {
      jbInit();
      this.setSize(275, 134);
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  /** Initializes form components. */
  private void jbInit() throws Exception {
    jPanel1.setLayout(flowLayout1);
    flowLayout1.setAlignment(FlowLayout.RIGHT);
    CancelButton.setText("Cancel");
    CancelButton.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        CancelButton_actionPerformed(e);
      }
    });
    OKButton.setMaximumSize(new Dimension(81, 23));
    OKButton.setMinimumSize(new Dimension(81, 23));
    OKButton.setPreferredSize(new Dimension(81, 23));
    OKButton.setText("Ok");
    OKButton.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        OKButton_actionPerformed(e);
      }
    });
    jLabel1.setText("Width");
    jLabel2.setText("Height");
    Mainpanel.setLayout(gridLayout1);
    Mainpanel.setPreferredSize(new Dimension(275, 64));
    gridLayout1.setRows(2);
    gridLayout1.setColumns(2);
    this.setResizable(false);
    this.setModal(true);
    this.setTitle("Create a new image");
    this.getContentPane().add(Mainpanel, BorderLayout.CENTER);
    Mainpanel.add(jLabel1, null);
    Mainpanel.add(Widthtext, null);
    Mainpanel.add(jLabel2, null);
    Mainpanel.add(Heighttext, null);
    this.getContentPane().add(jPanel1, BorderLayout.SOUTH);
    jPanel1.add(OKButton, null);
    jPanel1.add(CancelButton, null);
  }

  /** OKButton listener - if pressed performs assignment and clean up duties.
  Assigns OKPressed a value of true.
  @param ActionEvent e
  */
  private void OKButton_actionPerformed(ActionEvent e) {
    try {
      width = Integer.parseInt(Widthtext.getText());
      height = Integer.parseInt(Heighttext.getText());
      if ((width > 0) && (height > 0)) {
        OKPressed = true;
        this.setVisible(false);
      }
      else {
        JOptionPane opt = new JOptionPane();
        opt.showMessageDialog(this, new String("Width and or Height must be greater than 0"), new String("Warning"), JOptionPane.WARNING_MESSAGE);
      }
    }
    catch (NumberFormatException NumExecption) {
      JOptionPane opt = new JOptionPane();
      opt.showMessageDialog(this, new String("Width or Height must have a value specified"), new String("Warning"), JOptionPane.WARNING_MESSAGE);
    }
  }

  /** CancelButton Listener.  Performs clean up and assigns OKpressed
  a value of false.
  @param ActionEvent e
  */
  private void CancelButton_actionPerformed(ActionEvent e) {
    this.setVisible(false);
    OKPressed = false;
  }

  /** Gets the width set by the user.
  @return int Width
  */
  public int GetWidth() { return width; }

  /** Gets the height set by the user.
  @return int Height
  */
  public int GetHeight() { return height; }

  /** Gets the status set by pressing the OKButton or the CancelButton.
  @return boolean OkPressed
  */
  public boolean GetButtonPressed() { return OKPressed; }

}