graframe.java

AVA项目开发实践-网上范例3： 运行方法： 编译好四个类之后

package grapro;

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

public class GraFrame extends JFrame {
  JPanel contentPane;
  JMenuBar jMenuBarPic = new JMenuBar();
  JMenu jMenuFile = new JMenu();
  JMenuItem jMenuFileExit = new JMenuItem();
  JMenu jMenuHelp = new JMenu();
  JMenuItem jMenuHelpAbout = new JMenuItem();
  JToolBar jToolBarPic = new JToolBar();

  /////////////////////
  PanelPic ppn = new PanelPic();
  //////////////////
  JButton jButton_ty = new JButton();
  JButton jButton_zx = new JButton();
  JButton jButton_qc = new JButton();
  JButton jButton_jx = new JButton();
  JButton jButton_qb = new JButton();
  JButton jButton_xp = new JButton();
  JMenu jMenuColorSel = new JMenu();
  JMenuItem jMenuFileLoad = new JMenuItem();
  JMenu jMenuIfEmpty = new JMenu();
  JMenuItem jMenuItem1_w = new JMenuItem();
  JMenuItem jMenuItem2_w = new JMenuItem();
  JMenuItem jMenuFileSave = new JMenuItem();
  JMenuItem jMenuPenColorSel = new JMenuItem();
  //////////////////

  /**Construct the frame*/
  public GraFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    contentPane = (JPanel)this.getContentPane();
    contentPane.setLayout(null);
    this.getContentPane().setBackground(SystemColor.textHighlight);
    this.setContentPane(contentPane);
    this.setResizable(false);
    this.setSize(new Dimension(476, 376));
    this.setTitle("图形图像设计");
    jMenuFile.setBackground(SystemColor.desktop);
    jMenuFile.setText("文件");
    jMenuFileExit.setBackground(SystemColor.desktop);
    jMenuFileExit.setText("退出");
    jMenuFileExit.addActionListener(new ActionListener()  {
      public void actionPerformed(ActionEvent e) {
        jMenuFileExit_actionPerformed(e);
      }
    });
    jMenuHelp.setBackground(SystemColor.desktop);
    jMenuHelp.setText("帮助");
    jMenuHelpAbout.setBackground(SystemColor.desktop);
    jMenuHelpAbout.setText("关于");
    jMenuHelpAbout.addActionListener(new ActionListener()  {
      public void actionPerformed(ActionEvent e) {
        jMenuHelpAbout_actionPerformed(e);
      }
    });

    jMenuBarPic.setBackground(SystemColor.desktop);
    jMenuBarPic.setBorder(BorderFactory.createLineBorder(Color.black));
    contentPane.setBackground(SystemColor.desktop);
    contentPane.setBorder(BorderFactory.createLineBorder(Color.black));
    contentPane.setMinimumSize(new Dimension(1, 1));
    contentPane.setPreferredSize(new Dimension(400, 400));

    jToolBarPic.setBackground(SystemColor.desktop);
    jToolBarPic.setBorder(BorderFactory.createLineBorder(Color.black));
    jToolBarPic.setBounds(new Rectangle(0, 0, 477, 22));
    jButton_ty.setText("椭圆");
    jButton_ty.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        jButton_ty_mouseClicked(e);
      }
    });
    jButton_ty.setBackground(SystemColor.desktop);
    jButton_ty.setBorder(BorderFactory.createLineBorder(Color.black));
    jButton_ty.setToolTipText("画椭圆");
    jButton_zx.setBackground(SystemColor.desktop);
    jButton_zx.setBorder(BorderFactory.createLineBorder(Color.black));
    jButton_zx.setToolTipText("画直线");
    jButton_zx.setText("直线");
    jButton_zx.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        jButton_zx_mouseClicked(e);
      }
    });
    jButton_qc.setBackground(SystemColor.desktop);
    jButton_qc.setBorder(BorderFactory.createLineBorder(Color.black));
    jButton_qc.setToolTipText("清除整个画板");
    jButton_qc.setText("清除");
    jButton_qc.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        jButton_qc_mouseClicked(e);
      }
    });
    jButton_jx.setBackground(SystemColor.desktop);
    jButton_jx.setBorder(BorderFactory.createLineBorder(Color.black));
    jButton_jx.setToolTipText("画矩形");
    jButton_jx.setText("矩形");
    jButton_jx.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        jButton_jx_mouseClicked(e);
      }
    });
    jButton_qb.setText("铅笔");
    jButton_qb.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        jButton_qb_mouseClicked(e);
      }
    });
    jButton_qb.setBackground(SystemColor.desktop);
    jButton_qb.setBorder(BorderFactory.createLineBorder(Color.black));
    jButton_qb.setToolTipText("画铅笔画");
    jButton_xp.setBackground(SystemColor.desktop);
    jButton_xp.setBorder(BorderFactory.createLineBorder(Color.black));
    jButton_xp.setToolTipText("擦除图画");
    jButton_xp.setText("橡皮");
    jButton_xp.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        jButton_xp_mouseClicked(e);
      }
    });
    jMenuColorSel.setBackground(SystemColor.desktop);
    jMenuColorSel.setText("颜色");
    jMenuFileLoad.setBackground(SystemColor.desktop);
    jMenuFileLoad.setToolTipText("");
    jMenuFileLoad.setActionCommand("加载图片");
    jMenuFileLoad.setText("加载图片");
    jMenuFileLoad.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuFileLoad_actionPerformed(e);
      }
    });
    ppn.setBorder(BorderFactory.createLineBorder(Color.black));
    ppn.setBounds(new Rectangle(5, 26, 461, 296));
    jMenuIfEmpty.setBackground(UIManager.getColor("Desktop.background"));
    jMenuIfEmpty.setText("图形");
    jMenuItem2_w.setBackground(SystemColor.desktop);
    jMenuItem2_w.setText("虚体");
    jMenuItem2_w.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuItem2_w_actionPerformed(e);
      }
    });
    jMenuFileSave.setBackground(SystemColor.desktop);
    jMenuFileSave.setText("保存图片");
    jMenuFileSave.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuIFileSave_actionPerformed(e);
      }
    });
    jMenuPenColorSel.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuPenColorSel_actionPerformed(e);
      }
    });
    jMenuPenColorSel.setBackground(SystemColor.desktop);
    jMenuPenColorSel.setToolTipText("");
    jMenuPenColorSel.setText("画笔颜色");
    jMenuItem1_w.setBackground(SystemColor.desktop);
    jMenuItem1_w.setToolTipText("");
    jMenuItem1_w.setText("实体");
    jMenuItem1_w.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jMenuItem1_w_actionPerformed(e);
      }
    });
    jMenuFile.add(jMenuFileLoad);
    jMenuFile.add(jMenuFileSave);
    jMenuFile.add(jMenuFileExit);
    jMenuHelp.add(jMenuHelpAbout);
    jMenuBarPic.add(jMenuFile);
    jMenuBarPic.add(jMenuColorSel);
    jMenuBarPic.add(jMenuIfEmpty);
    jMenuBarPic.add(jMenuHelp);
    this.setJMenuBar(jMenuBarPic);

    jToolBarPic.add(jButton_ty, null);
    jToolBarPic.add(jButton_zx, null);
    jToolBarPic.add(jButton_qc, null);
    jToolBarPic.add(jButton_jx, null);
    jToolBarPic.add(jButton_qb, null);
    jToolBarPic.add(jButton_xp, null);

    //////////////////////
    ppn.setSize(461,296);
    contentPane.add(ppn);
    contentPane.add(jToolBarPic, null);
    //////////////////////

    jMenuIfEmpty.add(jMenuItem1_w);
    jMenuIfEmpty.add(jMenuItem2_w);
    jMenuColorSel.add(jMenuPenColorSel);
  }
  /**File | Exit action performed*/
  public void jMenuFileExit_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  /**Help | About action performed*/
  public void jMenuHelpAbout_actionPerformed(ActionEvent e) {
    GraFrame_AboutBox dlg = new GraFrame_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);
    }
  }

  void jButton_ty_mouseClicked(MouseEvent e) {
    ppn.mode = 3;
  }

  void jButton_zx_mouseClicked(MouseEvent e) {
    ppn.mode = 1;
  }

  void jButton_jx_mouseClicked(MouseEvent e) {
    ppn.mode = 2;
  }

  void jButton_qb_mouseClicked(MouseEvent e) {
    ppn.mode = 4;
  }

  void jButton_xp_mouseClicked(MouseEvent e) {
    ppn.mode = 5;
  }

  void jButton_qc_mouseClicked(MouseEvent e) {
    ppn.clearAll();
  }

  void jMenuItem1_w_actionPerformed(ActionEvent e) {
    ppn.isempty = false;
  }

  void jMenuItem2_w_actionPerformed(ActionEvent e) {
    ppn.isempty = true;
  }

  void jMenuFileLoad_actionPerformed(ActionEvent e) {
    JFileChooser jfc = new JFileChooser();

    jfc.setFileFilter(new JPGFilter());
    int option = jfc.showOpenDialog(this);

    File f = jfc.getSelectedFile();
    ppn.loadimage(f.getAbsolutePath());
  }

  void jMenuIFileSave_actionPerformed(ActionEvent e) {
    JFileChooser jfc = new JFileChooser();

    jfc.setFileFilter(new JPGFilter());
    int option = jfc.showSaveDialog(this);
  }

  void jMenuPenColorSel_actionPerformed(ActionEvent e) {
    JColorChooser jcc = new JColorChooser();

    ppn.cl = jcc.showDialog(this,"颜色选择",ppn.getForeground());
    ppn.setForeground(ppn.cl);
  }


}

class GraFrame_AboutBox extends JDialog implements ActionListener {

  JPanel panel1 = new JPanel();
  JPanel panel2 = new JPanel();
  JPanel insetsPanel1 = new JPanel();
  JPanel insetsPanel2 = new JPanel();
  JPanel insetsPanel3 = new JPanel();
  JButton button1 = new JButton();
  JLabel imageLabel = new JLabel();
  JLabel label1 = new JLabel();
  JLabel label2 = new JLabel();
  JLabel label3 = new JLabel();
  JLabel label4 = new JLabel();
  BorderLayout borderLayout1 = new BorderLayout();
  BorderLayout borderLayout2 = new BorderLayout();
  FlowLayout flowLayout1 = new FlowLayout();
  GridLayout gridLayout1 = new GridLayout();
  String product = "\u56fe\u5f62\u56fe\u50cf\u8bbe\u8ba1";
  String version = "1.0";
  String copyright = "Copyright (c) 2003";
  String comments = "";
  public GraFrame_AboutBox(Frame parent) {
    super(parent);
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
    pack();
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    this.setTitle("About");
    setResizable(false);
    panel1.setLayout(borderLayout1);
    panel2.setLayout(borderLayout2);
    insetsPanel1.setLayout(flowLayout1);
    insetsPanel2.setLayout(flowLayout1);
    insetsPanel2.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    gridLayout1.setRows(4);
    gridLayout1.setColumns(1);
    label1.setText(product);
    label2.setText(version);
    label3.setText(copyright);
    label4.setText(comments);
    insetsPanel3.setLayout(gridLayout1);
    insetsPanel3.setBorder(BorderFactory.createEmptyBorder(10, 60, 10, 10));
    button1.setText("Ok");
    button1.addActionListener(this);
    insetsPanel2.add(imageLabel, null);
    panel2.add(insetsPanel2, BorderLayout.WEST);
    this.getContentPane().add(panel1, null);
    insetsPanel3.add(label1, null);
    insetsPanel3.add(label2, null);
    insetsPanel3.add(label3, null);
    insetsPanel3.add(label4, null);
    panel2.add(insetsPanel3, BorderLayout.CENTER);
    insetsPanel1.add(button1, null);
    panel1.add(insetsPanel1, BorderLayout.SOUTH);
    panel1.add(panel2, BorderLayout.NORTH);
  }
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      cancel();
    }
    super.processWindowEvent(e);
  }
  /**Close the dialog*/
  void cancel() {
    dispose();
  }
  /**Close the dialog on a button event*/
  public void actionPerformed(ActionEvent e) {
    if (e.getSource() == button1) {
      cancel();
    }
  }
}