wbmpeditorframe.java

WAP ide 代码

package wbmp;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.io.*;

/**

 * The frame of the WBMP editor.  In addition to defining the frame and the
 * components, it also provides those components with functionality.
 * Copyright (c) 2003
 * @author Mark Busman
 * @version 1.0
 *
 * For License and contact information see WBMPEditor.java
 */

public class WBMPEditorFrame extends JFrame {
  JPanel contentPane;
  JMenuBar MainMenubar = new JMenuBar();
  JMenu jMenuFile = new JMenu();
  JMenuItem jMenuFileExit = new JMenuItem();
  JMenu jMenuHelp = new JMenu();
  JMenuItem jMenuHelpAbout = new JMenuItem();
  JToolBar MainToolBar = new JToolBar();
  JButton ToolbarOpen = new JButton();
  JButton ToolbarSave = new JButton();
  JButton ToolbarHelp = new JButton();
  ImageIcon image1;
  ImageIcon image2;
  ImageIcon image3;
  ImageIcon image4;
  ImageIcon image5;
  ImageIcon image6;
  ImageIcon image7;
  BorderLayout borderLayout1 = new BorderLayout();
  JToggleButton ToolbarEraser = new JToggleButton();
  JToggleButton ToolbarPen = new JToggleButton();
  JMenuItem jMenuFileNew = new JMenuItem();
  JMenuItem jMenuFileOpen = new JMenuItem();
  JMenuItem jMenuFileSave = new JMenuItem();
  JMenu jMenuDrawing = new JMenu();
  JMenuItem jMenuHelpContents = new JMenuItem();
  JButton ToolbarNew = new JButton();
  Border border1;
  JPanel Mainpanel = new JPanel();
  BorderLayout borderLayout2 = new BorderLayout();
  JScrollPane jScrollPane1;
  JCheckBoxMenuItem jMenuDrawingPen = new JCheckBoxMenuItem();
  JCheckBoxMenuItem jMenuDrawingEraser = new JCheckBoxMenuItem();
  JPanel Statusbarpanel = new JPanel();
  JLabel statusBar = new JLabel();
  BorderLayout borderLayout3 = new BorderLayout();
  Border border2;
  JPanel Pospanel = new JPanel();
  Border border3;
  GridLayout gridLayout1 = new GridLayout();
  JLabel XPoslabel = new JLabel();
  JLabel YPoslabel = new JLabel();


  // Variables
  private Color DrawingColor = Color.black;
  private Color BackgroundColor = null;
  private boolean Pressing = false;
  private boolean Changed = false;
  private int ColorMatrix[][];
  private int Width = 0;
  private int Height = 0;
  private String fileName = "";
  private boolean Untitled = true;


  // Constants
  static int LEFT_MOUSE_BUTTON = 16;
  static int labelSize = 13;
  static Color bkg = new Color(0, 166, 8);
  JMenuItem jMenuFilePreview = new JMenuItem();
  JLabel Drawinglabel = new JLabel();


  /**Construct the frame*/
  public WBMPEditorFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    image1 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("openFile.gif"));
    image2 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("closeFile.gif"));
    image3 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("help.gif"));
    image4 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("newFile.gif"));
    image5 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("dummy.gif"));
    image6 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("pen.gif"));
    image7 = new ImageIcon(wbmp.WBMPEditorFrame.class.getResource("eraser.gif"));
    setIconImage(Toolkit.getDefaultToolkit().createImage(WBMPEditorFrame.class.getResource("icon.gif")));
    contentPane = (JPanel) this.getContentPane();
    border1 = BorderFactory.createLineBorder(Color.white,1);
    jScrollPane1 = new JScrollPane(Drawinglabel);
    border2 = new EtchedBorder(EtchedBorder.RAISED,Color.white,new Color(142, 142, 142));
    border3 = new EtchedBorder(EtchedBorder.RAISED,Color.white,new Color(142, 142, 142));
    contentPane.setLayout(borderLayout1);
    this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
    this.setSize(new Dimension(400, 300));
    this.setTitle("WBMP Editor");
    jMenuFile.setText("File");
    jMenuFileExit.setText("Exit");
    jMenuFileExit.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuFileExit_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    jMenuFileExit.addActionListener(new ActionListener()  {
      public void actionPerformed(ActionEvent e) {
        jMenuFileExit_actionPerformed(e);
      }
    });
    jMenuHelp.setText("Help");
    jMenuHelpAbout.setText("About");
    jMenuHelpAbout.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuHelpAbout_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    jMenuHelpAbout.addActionListener(new ActionListener()  {
      public void actionPerformed(ActionEvent e) {
        jMenuHelpAbout_actionPerformed(e);
      }
    });
    ToolbarOpen.setIcon(image1);
    ToolbarOpen.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ToolbarOpen_actionPerformed(e);
      }
    });
    ToolbarOpen.setBorder(null);
    ToolbarOpen.setToolTipText("Open an existing file");
    ToolbarSave.setIcon(image2);
    ToolbarSave.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ToolbarSave_actionPerformed(e);
      }
    });
    ToolbarSave.setBorder(null);
    ToolbarSave.setToolTipText("Save an existing file");
    ToolbarHelp.setIcon(image3);
    ToolbarHelp.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ToolbarHelp_actionPerformed(e);
      }
    });
    ToolbarHelp.setBorder(null);
    ToolbarHelp.setToolTipText("Help");
    ToolbarEraser.setPreferredSize(new Dimension(23, 23));
    ToolbarEraser.setIcon(image7);
    ToolbarEraser.setBorder(null);
    ToolbarEraser.setMinimumSize(new Dimension(23, 23));
    ToolbarEraser.setToolTipText("Erase with background color");
    ToolbarEraser.setMaximumSize(new Dimension(23, 23));
    ToolbarEraser.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ToolbarEraser_actionPerformed(e);
      }
    });
    ToolbarPen.setPreferredSize(new Dimension(23, 23));
    ToolbarPen.setIcon(image6);
    ToolbarPen.setBorder(null);
    ToolbarPen.setMinimumSize(new Dimension(23, 23));
    ToolbarPen.setSelected(true);
    ToolbarPen.setToolTipText("Draw in black");
    ToolbarPen.setMnemonic('0');
    ToolbarPen.setMaximumSize(new Dimension(23, 23));
    ToolbarPen.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ToolbarPen_actionPerformed(e);
      }
    });
    jMenuFileNew.setIcon(image4);
    jMenuFileNew.setText("New");
    jMenuFileNew.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuFileNew_actionPerformed(e);
      }
    });
    jMenuFileNew.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuFileNew_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    jMenuFileOpen.setIcon(image1);
    jMenuFileOpen.setText("Open");
    jMenuFileOpen.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuFileOpen_actionPerformed(e);
      }
    });
    jMenuFileOpen.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuFileOpen_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    jMenuFileSave.setIcon(image2);
    jMenuFileSave.setText("Save");
    jMenuFileSave.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuFileSave_actionPerformed(e);
      }
    });
    jMenuFileSave.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuFileSave_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    jMenuDrawing.setText("Drawing");
    jMenuHelpContents.setIcon(image3);
    jMenuHelpContents.setText("Contents");
    jMenuHelpContents.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuHelpContents_actionPerformed(e);
      }
    });
    jMenuHelpContents.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuHelpContents_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    ToolbarNew.setBorder(null);
    ToolbarNew.setToolTipText("Create a new image file");
    ToolbarNew.setIcon(image4);
    ToolbarNew.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ToolbarNew_actionPerformed(e);
      }
    });
    MainToolBar.setFloatable(false);
    Mainpanel.setLayout(borderLayout2);
    jMenuDrawingPen.setIcon(image6);
    jMenuDrawingPen.setText("Pen");
    jMenuDrawingPen.setSelected(true);
    jMenuDrawingPen.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuDrawingPen_actionPerformed(e);
      }
    });
    jMenuDrawingEraser.setIcon(image7);
    jMenuDrawingEraser.setText("Eraser");
    jMenuDrawingEraser.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuDrawingEraser_actionPerformed(e);
      }
    });
    statusBar.setText("Ready");
    Statusbarpanel.setLayout(borderLayout3);
    Mainpanel.setBorder(BorderFactory.createLoweredBevelBorder());
    Pospanel.setBorder(border3);
    Pospanel.setMaximumSize(new Dimension(130, 17));
    Pospanel.setMinimumSize(new Dimension(130, 17));
    Pospanel.setPreferredSize(new Dimension(130, 17));
    Pospanel.setLayout(gridLayout1);
    gridLayout1.setColumns(2);
    XPoslabel.setHorizontalAlignment(SwingConstants.LEFT);
    XPoslabel.setHorizontalTextPosition(SwingConstants.LEADING);
    XPoslabel.setText("X: 0");
    YPoslabel.setHorizontalAlignment(SwingConstants.LEFT);
    YPoslabel.setText("Y: 0");
    jMenuFilePreview.setEnabled(false);
    jMenuFilePreview.setText("Preview");
    jMenuFilePreview.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        jMenuFilePreview_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e) {
        MenuMouseExitHandler(e);
      }
    });
    jMenuFilePreview.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuFilePreview_actionPerformed(e);
      }
    });
    Drawinglabel.setBackground(Color.red);
    Drawinglabel.setToolTipText("");
    MainToolBar.add(ToolbarNew, null);
    MainToolBar.add(ToolbarOpen);
    MainToolBar.add(ToolbarSave);
    MainToolBar.addSeparator();
    MainToolBar.add(ToolbarPen, null);
    MainToolBar.add(ToolbarEraser, null);
    MainToolBar.addSeparator();
    MainToolBar.add(ToolbarHelp);
    jMenuFile.add(jMenuFileNew);
    jMenuFile.add(jMenuFileOpen);
    jMenuFile.add(jMenuFileSave);
    jMenuFile.addSeparator();
    jMenuFile.add(jMenuFilePreview);
    jMenuFile.addSeparator();
    jMenuFile.add(jMenuFileExit);
    jMenuDrawing.add(jMenuDrawingPen);
    jMenuDrawing.add(jMenuDrawingEraser);
    jMenuHelp.add(jMenuHelpContents);
    jMenuHelp.addSeparator();
    jMenuHelp.add(jMenuHelpAbout);
    MainMenubar.add(jMenuFile);
    MainMenubar.add(jMenuDrawing);
    MainMenubar.add(jMenuHelp);
    this.setJMenuBar(MainMenubar);
    Mainpanel.add(jScrollPane1, BorderLayout.CENTER);
    jScrollPane1.getViewport().add(Drawinglabel, null);
    contentPane.add(Statusbarpanel, BorderLayout.SOUTH);
    Statusbarpanel.add(statusBar, BorderLayout.CENTER);
    Statusbarpanel.add(Pospanel, BorderLayout.EAST);
    Pospanel.add(XPoslabel, null);
    Pospanel.add(YPoslabel, null);
    contentPane.add(MainToolBar, BorderLayout.NORTH);
    contentPane.add(Mainpanel, BorderLayout.CENTER);

  }
  /**File | Exit action performed*/
  private void jMenuFileExit_actionPerformed(ActionEvent e) {
    this.setVisible(false);
    dispose();
  }
  /**Help | About action performed*/
  private void jMenuHelpAbout_actionPerformed(ActionEvent e) {
    WBMPEditorFrame_AboutBox dlg = new WBMPEditorFrame_AboutBox(this);
    Dimension dlgSize = dlg.getPreferredSize();
    Dimension frmSize = getSize();
    Point loc = getLocation();
    dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
    dlg.setModal(true);
    dlg.show();
  }
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }


  // Statusbar messages generated by menus
  /** Menu Listener for the mouseExit event.
  @param MouseEvent e
  */
  private void MenuMouseExitHandler(MouseEvent e) {
    statusBar.setText("Ready");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuFileNew_mouseEntered(MouseEvent e) {
    statusBar.setText("Create a new file");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuFileOpen_mouseEntered(MouseEvent e) {
    statusBar.setText("Open an existing file");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuFileSave_mouseEntered(MouseEvent e) {
    statusBar.setText("Save the file");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuFilePreview_mouseEntered(MouseEvent e) {
    statusBar.setText("preview the drawing in actual size");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */