java记事本小程序
2012-08-08 19:24
267 查看
/* 下面这两个类实现了java开份小记事本程序，里面有打开，保存，关闭，新建，右键中的全选，复制，粘贴裁剪等功能*/
package notebook;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FileDialog;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import javax.swing.JColorChooser;
import javax.swing.JFileChooser;
import javax.swing.border.TitledBorder;
import javax.swing.filechooser.FileNameExtensionFilter;
/**
*
* @author __USER__
*/
public class netbookmain extends javax.swing.JFrame {
FileDialog fd = null;//声明一个文件对话框
//创建SWING组件的文件选择对话框
JFileChooser fileDialog = new JFileChooser();
File file = null;
/** Creates new form netbookmain */
/**
*
*/
public netbookmain() {
Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
this.setBounds((size.width - 700) / 2, (size.height - 600) / 2, 500,
600);
initComponents();
//txt1.setBorder(new TitledBorder("文本内容"));//在面板里加上边线
openFile.addActionListener(new MyActionListener());
saveFile.addActionListener(new MyActionListener());
newFile.addActionListener(new MyActionListener());
exit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);//关闭程序
}
});
colorFile.addActionListener(new MyActionListener());
fontFile.addActionListener(new MyActionListener());
bankcolor.addActionListener(new MyActionListener());
txt1.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
if (e.getButton() == 3) {
jPopupMenu1.show(txt1, e.getX(), e.getY());//右键菜单显示
}
}
});
//右键菜单中的监听
//全选文本区域里面的内容
SelectAll.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.selectAll();
}
});
copy.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.copy();
}
});
cut.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.cut();
}
});
pater.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.paste();
}
});
openFile.setActionCommand("open");
saveFile.setActionCommand("save");
newFile.setActionCommand("newF");
colorFile.setActionCommand("color");
fontFile.setActionCommand("font");
bankcolor.setActionCommand("bankc");
}
private void MyPopupMenuListener() {
}
/**
* @author Administrator
*菜单事件
*/
private class MyActionListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
String comm = e.getActionCommand();
if (comm.equals("open")) {
open();
} else if (comm.equals("save")) {
save();
} else if (comm.equals("newF")) {
txt1.setText("");
file = null;
} else if (comm.equals("font")) {
setfont();
} else if (comm.equals("color")) {
setcolor();
} else if (comm.equals("bankc")) {
setbancolor();
}
}
}
/**
* 设置字体
*/
private void setfont() {
Font font = FontChooserDialog.showDialog(this, true);
txt1.setFont(font);
}
/**
* 设置字体颜色
*/
private void setcolor() {
Color color = JColorChooser.showDialog(this, "设置字体颜色", txt1
.getForeground());
txt1.setForeground(color);//设置字体颜色
}
/**
* 设置背景颜色
*/
private void setbancolor() {
Color color = JColorChooser.showDialog(this, "设置背景颜色", txt1
.getBackground());
txt1.setBackground(color);//设置背景颜色
}
/**
* 保存文件方法
*/
private void save() {
BufferedWriter bw = null;
if (file == null) {
// fd = new FileDialog(this, "我的保存", FileDialog.SAVE);
// fd.setVisible(true);
//创建txt文件的过滤器
FileNameExtensionFilter ext = new FileNameExtensionFilter("文本文件",
".txt");
//将过滤器添加到文件选择对话框
fileDialog.addChoosableFileFilter(ext);
int resu = fileDialog.showSaveDialog(this);
if (resu == JFileChooser.CANCEL_OPTION)
return;
file = fileDialog.getSelectedFile();//得到选泽的文件
System.out.println(file.getName());
// String path = fd.getDirectory();
// String fileName = fd.getFile();
// file = new File(path, fileName);
}
try {
bw = new BufferedWriter(new FileWriter(file));
String txt = txt1.getText();
bw.write(txt.replaceAll("([^\r])\n", "$1\r\n"));
bw.flush();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (bw != null)
bw.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/**
* 打开文件方法
*/
private void open() {
// fd = new FileDialog(this, "打开文件", FileDialog.LOAD);//打开模式
// fd.setVisible(true);//将文件对话框设置为可见
// String path = fd.getDirectory();
// String fileName = fd.getFile();
BufferedReader br = null;
// if(path==null||fileName==null)return;
// file = new File(path, fileName);
//创建txt文件的过滤器
FileNameExtensionFilter ext = new FileNameExtensionFilter("文本文件",
".txt");
//将过滤器添加到文件选择对话框
fileDialog.addChoosableFileFilter(ext);
int resu = fileDialog.showSaveDialog(this);
if (resu == JFileChooser.CANCEL_OPTION)
return;
file = fileDialog.getSelectedFile();
//System.out.println(path + ":" + fileName);
try {
br = new BufferedReader(new FileReader(file));
String line = null;
txt1.setText("");
while ((line = br.readLine()) != null) {
txt1.append(line + "\r\n");
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if (br != null)
br.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
//GEN-BEGIN:initComponents
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
bankcolor = new javax.swing.JMenuItem();
jPopupMenu1 = new javax.swing.JPopupMenu();
SelectAll = new javax.swing.JMenuItem();
copy = new javax.swing.JMenuItem();
cut = new javax.swing.JMenuItem();
jSeparator3 = new javax.swing.JSeparator();
pater = new javax.swing.JMenuItem();
jScrollPane1 = new javax.swing.JScrollPane();
txt1 = new javax.swing.JTextArea();
jMenuBar1 = new javax.swing.JMenuBar();
newFile = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jSeparator2 = new javax.swing.JSeparator();
openFile = new javax.swing.JMenuItem();
saveFile = new javax.swing.JMenuItem();
jSeparator1 = new javax.swing.JSeparator();
exit = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
fontFile = new javax.swing.JMenuItem();
colorFile = new javax.swing.JMenuItem();
bankcolor = new javax.swing.JMenuItem();
jMenuBar1 = new javax.swing.JMenuBar();
newFile = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jSeparator2 = new javax.swing.JSeparator();
openFile = new javax.swing.JMenuItem();
saveFile = new javax.swing.JMenuItem();
jSeparator1 = new javax.swing.JSeparator();
exit = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
fontFile = new javax.swing.JMenuItem();
colorFile = new javax.swing.JMenuItem();
bankcolor = new javax.swing.JMenuItem();
bankcolor.setText("\u80cc\u666f\u989c\u8272");
jMenu2.add(bankcolor);
SelectAll.setText("\u5168\u9009");
jPopupMenu1.add(SelectAll);
copy.setText("\u590d\u5236");
jPopupMenu1.add(copy);
cut.setText("\u88c1\u526a");
jPopupMenu1.add(cut);
jPopupMenu1.add(jSeparator3);
pater.setText("\u7c98\u8d34");
jPopupMenu1.add(pater);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(new java.awt.CardLayout());
txt1.setColumns(50);
txt1.setRows(30);
txt1.setBorder(javax.swing.BorderFactory
.createTitledBorder("\u6211\u7684\u6587\u6863"));
jScrollPane1.setViewportView(txt1);
getContentPane().add(jScrollPane1, "card2");
newFile.setText("\u6587\u4ef6");
jMenuItem1.setText("\u65b0\u5efa");
newFile.add(jMenuItem1);
newFile.add(jSeparator2);
openFile.setText("\u6253\u5f00");
newFile.add(openFile);
saveFile.setText("\u4fdd\u5b58");
newFile.add(saveFile);
newFile.add(jSeparator1);
exit.setText("\u9000\u51fa");
newFile.add(exit);
jMenuBar1.add(newFile);
jMenu2.setLabel("\u683c\u5f0f");
fontFile.setText("\u5b57\u4f53");
jMenu2.add(fontFile);
colorFile.setText("\u5b57\u4f53\u989c\u8272");
colorFile.setActionCommand("\u80cc\u666f\u989c\u8272");
jMenu2.add(colorFile);
bankcolor.setText("\u80cc\u666f\u989c\u8272");
jMenu2.add(bankcolor);
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
newFile.setText("\u6587\u4ef6");
jMenuItem1.setText("\u65b0\u5efa");
newFile.add(jMenuItem1);
newFile.add(jSeparator2);
openFile.setText("\u6253\u5f00");
newFile.add(openFile);
saveFile.setText("\u4fdd\u5b58");
newFile.add(saveFile);
newFile.add(jSeparator1);
exit.setText("\u9000\u51fa");
newFile.add(exit);
jMenuBar1.add(newFile);
jMenu2.setLabel("\u683c\u5f0f");
fontFile.setText("\u5b57\u4f53");
jMenu2.add(fontFile);
colorFile.setText("\u5b57\u4f53\u989c\u8272");
colorFile.setActionCommand("\u80cc\u666f\u989c\u8272");
jMenu2.add(colorFile);
bankcolor.setText("\u80cc\u666f\u989c\u8272");
jMenu2.add(bankcolor);
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
pack();
}// </editor-fold>
//GEN-END:initComponents
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new netbookmain().setVisible(true);
}
});
}
//GEN-BEGIN:variables
// Variables declaration - do not modify
private javax.swing.JMenuItem SelectAll;
private javax.swing.JMenuItem bankcolor;
private javax.swing.JMenuItem colorFile;
private javax.swing.JMenuItem copy;
private javax.swing.JMenuItem cut;
private javax.swing.JMenuItem exit;
private javax.swing.JMenuItem fontFile;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JPopupMenu jPopupMenu1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JSeparator jSeparator1;
private javax.swing.JSeparator jSeparator2;
private javax.swing.JSeparator jSeparator3;
private javax.swing.JMenu newFile;
private javax.swing.JMenuItem openFile;
private javax.swing.JMenuItem pater;
private javax.swing.JMenuItem saveFile;
private javax.swing.JTextArea txt1;
// End of variables declaration//GEN-END:variables
}
package notebook;
import java.awt.GraphicsEnvironment;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.ListModel;
import java.awt.Font;
import javax.swing.JPanel;
import java.awt.Rectangle;
import javax.swing.JScrollPane;
import javax.swing.BorderFactory;
import javax.swing.border.TitledBorder;
import java.awt.Color;
import javax.swing.JList;
import javax.swing.JLabel;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JTextField;
import javax.swing.border.BevelBorder;
import javax.swing.border.SoftBevelBorder;
import javax.swing.JButton;
import javax.swing.SwingConstants;
public class FontChooserDialog extends JDialog {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* 界面设计需要
* */
private JPanel jPanel = null;
private JScrollPane jScrollPane = null;
private JPanel jPanel1 = null;
private JLabel jLabel = null;
private JLabel jLabel1 = null;
private JLabel jLabel2 = null;
private JTextField fontNameText = null;
private JTextField fontItalicText = null;
private JTextField fontSizeText = null;
private JList fontNameList = null;
private JList fontItalicList = null;
private JList fontSizeList = null;
private JPanel jPanel2 = null;
private JButton okButton = null;
private JButton regitButton = null;
private JButton cancleButton = null;
private JScrollPane jScrollPane1 = null;
private JScrollPane jScrollPane2 = null;
private JScrollPane jScrollPane3 = null;
private static JLabel fontStyle = null;
/**
* 字体默认变量
* */
private Font defaultFont = new Font("\u5b8b\u4f53", Font.PLAIN, 12);
/**
* 返回字体变量
* */
private static Font returnFont = null;
/**
* Boolean 变量,判断是否正常返回,是否用户选择了字体
* */
private static boolean judge = false;
/**
* 以防止事件重复调用或不必要的更改,定义两个boolean变量分别
* 为:fontNameList和fontSizeList判断
* 等于true则循环调用,false则不
* */
private boolean nameJuge = true;
private boolean sizeJuge = true;
public FontChooserDialog(){
this(null);
}
public FontChooserDialog(JFrame jframe){
this(jframe,true);
}
public FontChooserDialog(JFrame jframe,boolean boo){
this(jframe,boo,null);
}
public FontChooserDialog(JFrame jframe,boolean boo,Font font){
super(jframe,boo);
initialize();
initializeFont(font);
this.setLocationRelativeTo(jframe);
}
/**
* This method initializes this
*
*/
private void initialize() {
this.setContentPane(getJPanel());
this.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
this.setBounds(new Rectangle(0, 0, 430, 335));
this.setTitle("字体选择对话框");
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e) {
judge = false;
closeWindow();
}
});
}
public static Font showDialog(JFrame jframe,boolean boo){
return showDialog(jframe,boo,null);
}
public static Font showDialog(JFrame jframe,boolean boo,Font font){
JDialog jd = new FontChooserDialog(jframe,boo,font);
jd.setVisible(true);
if(judge){returnFont = fontStyle.getFont();}
jd.dispose();
return returnFont;
}
/**
* This method initializes jPanel
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel() {
if (jPanel == null) {
jPanel = new JPanel();
jPanel.setLayout(null);
jPanel.setFont(new Font("Dialog", Font.PLAIN, 12));
jPanel.add(getJPanel1(), null);
jPanel.add(getJPanel2(), null);
jPanel.add(getOkButton(), null);
jPanel.add(getRegitButton(), null);
jPanel.add(getCancleButton(), null);
}
return jPanel;
}
/**
* This method initializes jScrollPane
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane() {
if (jScrollPane == null) {
fontStyle = new JLabel();
fontStyle.setText("你好！天生我才必有用!Hello World!");
fontStyle.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontStyle.setHorizontalAlignment(SwingConstants.CENTER);
fontStyle.setHorizontalTextPosition(SwingConstants.CENTER);
jScrollPane = new JScrollPane();
jScrollPane.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));
jScrollPane.setViewportView(fontStyle);
jScrollPane.setBounds(new Rectangle(5, 20, 400, 60));
}
return jScrollPane;
}
/**
* This method initializes jPanel1
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel1() {
if (jPanel1 == null) {
jLabel2 = new JLabel();
jLabel2.setBounds(new Rectangle(285, 5, 120, 15));
jLabel2.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
jLabel2.setText("大小:");
jLabel1 = new JLabel();
jLabel1.setBounds(new Rectangle(160, 5, 120, 15));
jLabel1.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
jLabel1.setText("字型:");
jLabel = new JLabel();
jLabel.setBounds(new Rectangle(5, 5, 150, 15));
jLabel.setDisplayedMnemonic(KeyEvent.VK_UNDEFINED);
jLabel.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
jLabel.setText("字体:");
jPanel1 = new JPanel();
jPanel1.setLayout(null);
jPanel1.setBounds(new Rectangle(5, 5, 410, 175));
jPanel1.setBorder(new SoftBevelBorder(SoftBevelBorder.LOWERED));
jPanel1.add(jLabel, null);
jPanel1.add(jLabel1, null);
jPanel1.add(jLabel2, null);
jPanel1.add(getFontNameText(), null);
jPanel1.add(getFontItalicText(), null);
jPanel1.add(getFontSizeText(), null);
jPanel1.add(getJScrollPane1(), null);
jPanel1.add(getJScrollPane2(), null);
jPanel1.add(getJScrollPane3(), null);
}
return jPanel1;
}
/**
* This method initializes fontNameText
*
* @return javax.swing.JTextField
*/
private JTextField getFontNameText() {
if (fontNameText == null) {
fontNameText = new JTextField();
fontNameText.setBounds(new Rectangle(5, 25, 150, 20));
fontNameText.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontNameText.addKeyListener(new KeyAdapter(){
public void keyTyped(KeyEvent e) {
String oldText = fontNameText.getText();
String newText = "";
if("".equals(fontNameText.getSelectedText()) && null == fontNameText.getSelectedText()){
newText = fontNameText.getText()+e.getKeyChar();
}else{
newText = oldText.substring(0,fontNameText.getSelectionStart())+e.getKeyChar()+oldText.substring(fontNameText.getSelectionEnd());
}
System.out.println("fontName:"+newText);
nameJuge = false;
fontNameList.setSelectedValue(getLateIndex(fontNameList,newText),true);
nameJuge = true;
}
});
}
return fontNameText;
}
/**
* This method initializes fontItalicText
*
* @return javax.swing.JTextField
*/
private JTextField getFontItalicText() {
if (fontItalicText == null) {
fontItalicText = new JTextField();
fontItalicText.setBounds(new Rectangle(160, 25, 120, 20));
fontItalicText.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontItalicText.setEnabled(false);
}
return fontItalicText;
}
/**
* This method initializes fontSizeText
*
* @return javax.swing.JTextField
*/
private JTextField getFontSizeText() {
if (fontSizeText == null) {
fontSizeText = new JTextField();
fontSizeText.setBounds(new Rectangle(285, 25, 120, 20));
fontSizeText.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontSizeText.setColumns(4);
fontSizeText.addKeyListener(new KeyAdapter(){
public void keyTyped(KeyEvent e) {
//System.out.println("Key Code:"+(Character.getNumericValue(e.getKeyChar())==-1));
String oldText = fontSizeText.getText();
String newText = "";
if("".equals(fontSizeText.getSelectedText()) && null == fontSizeText.getSelectedText()){
newText = fontSizeText.getText()+e.getKeyChar();
}else{
newText = oldText.substring(0,fontSizeText.getSelectionStart())+e.getKeyChar()+oldText.substring(fontSizeText.getSelectionEnd());
}
//System.out.println("fontSize:"+newText);
sizeJuge = false;
fontSizeList.setSelectedValue(getLateIndex(fontSizeList,newText),true);
if(newText.matches("(\\d)+")){
fontStyle.setFont(new Font(fontStyle.getFont().getFontName(),fontStyle.getFont().getStyle(),Integer.parseInt(newText)));
}
sizeJuge = true;
}
});
}
return fontSizeText;
}
/**
* This method initializes fontNameList
*
* @return javax.swing.JList
*/
private JList getFontNameList() {
if (fontNameList == null) {
fontNameList = new JList(GraphicsEnvironment.getLocalGraphicsEnvironment()
.getAvailableFontFamilyNames());
fontNameList.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontNameList
.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent e) {
if(nameJuge){fontNameText.setText(fontNameList.getSelectedValue().toString());}
fontStyle.setFont(new Font(fontNameList.getSelectedValue().toString(),fontStyle.getFont().getStyle(),fontStyle.getFont().getSize()));
}
});
}
return fontNameList;
}
/**
* This method initializes fontItalicList
*
* @return javax.swing.JList
*/
private JList getFontItalicList() {
if (fontItalicList == null) {
fontItalicList = new JList(new String[]{"Plain", "Bold", "Italic","Bold Italic"});
fontItalicList.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontItalicList
.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent e) {
fontItalicText.setText(fontItalicList.getSelectedValue().toString());
fontStyle.setFont(new Font(fontStyle.getFont().getFontName(),fontItalicList.getSelectedIndex(),fontStyle.getFont().getSize()));
}
});
}
return fontItalicList;
}
/**
* This method initializes fontSizeList
*
* @return javax.swing.JList
*/
private JList getFontSizeList() {
if (fontSizeList == null) {
fontSizeList = new JList(new String[]{"3", "4", "5", "6", "7", "8", "9", "10",
"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "22",
"24", "27", "30", "34", "39", "45", "51", "60"});
fontSizeList.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontSizeList
.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent e) {
if(sizeJuge){fontSizeText.setText(fontSizeList.getSelectedValue().toString());}
fontStyle.setFont(new Font(fontStyle.getFont().getFontName(),fontStyle.getFont().getStyle(),Integer.parseInt(fontSizeList.getSelectedValue().toString())));
}
});
}
return fontSizeList;
}
/**
* This method initializes jPanel2
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel2() {
if (jPanel2 == null) {
jPanel2 = new JPanel();
jPanel2.setLayout(null);
jPanel2.setBounds(new Rectangle(3, 180, 414, 90));
jPanel2.setBorder(BorderFactory.createTitledBorder(null, "\u6548\u679c\u9884\u89c8", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, new Font("\u5b8b\u4f53", Font.PLAIN, 12), new Color(51, 51, 51)));
jPanel2.add(getJScrollPane(), null);
}
return jPanel2;
}
/**
* This method initializes okButton
*
* @return javax.swing.JButton
*/
private JButton getOkButton() {
if (okButton == null) {
okButton = new JButton();
okButton.setBounds(new Rectangle(215, 275, 60, 20));
okButton.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
okButton.setText("确定");
okButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
judge = true;
closeWindow();
}
});
}
return okButton;
}
/**
* This method initializes regitButton
*
* @return javax.swing.JButton
*/
private JButton getRegitButton() {
if (regitButton == null) {
regitButton = new JButton();
regitButton.setBounds(new Rectangle(285, 275, 60, 20));
regitButton.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
regitButton.setText("重置");
regitButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
initializeFont(null);
}
});
}
return regitButton;
}
/**
* This method initializes cancleButton
*
* @return javax.swing.JButton
*/
private JButton getCancleButton() {
if (cancleButton == null) {
cancleButton = new JButton();
cancleButton.setBounds(new Rectangle(355, 275, 60, 20));
cancleButton.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
cancleButton.setText("取消");
cancleButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
judge = false;
closeWindow();
}
});
}
return cancleButton;
}
/**
* This method initializes jScrollPane1
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane1() {
if (jScrollPane1 == null) {
jScrollPane1 = new JScrollPane();
jScrollPane1.setBounds(new Rectangle(5, 50, 150, 120));
jScrollPane1.setViewportView(getFontNameList());
}
return jScrollPane1;
}
/**
* This method initializes jScrollPane2
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane2() {
if (jScrollPane2 == null) {
jScrollPane2 = new JScrollPane();
jScrollPane2.setBounds(new Rectangle(160, 50, 120, 120));
jScrollPane2.setViewportView(getFontItalicList());
}
return jScrollPane2;
}
/**
* This method initializes jScrollPane3
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane3() {
if (jScrollPane3 == null) {
jScrollPane3 = new JScrollPane();
jScrollPane3.setBounds(new Rectangle(285, 50, 120, 120));
jScrollPane3.setViewportView(getFontSizeList());
}
return jScrollPane3;
}
/**
* 默认的字体初始化方法
* */
private void initializeFont(Font font){
if(font!=null){
defaultFont = font;
fontStyle.setFont(defaultFont);
}
fontStyle.setFont(defaultFont);
fontNameList.setSelectedValue(defaultFont.getFontName(), true);
fontSizeList.setSelectedValue(new Integer(defaultFont.getSize()).toString(), true);
fontItalicList.setSelectedIndex(defaultFont.getStyle());
}
/**
* 判断里给定的值最近的索引
* */
private Object getLateIndex(JList jlist,String str){
ListModel list = jlist.getModel();
if(str.matches("(\\d)+")){
for(int i = list.getSize()-1;i>=0;i--){
if(Integer.parseInt(list.getElementAt(i).toString())<=Integer.parseInt(str)){
return list.getElementAt(i);
}
}
}else {
for(int i = list.getSize()-2;i>=0;i--){
if(str.compareToIgnoreCase(list.getElementAt(i).toString())==0){
return list.getElementAt(i);
}else if(str.compareToIgnoreCase(list.getElementAt(i).toString())>0){
return list.getElementAt(i+1);
}
}
}
return list.getElementAt(0);
}
/**
* 窗体关闭方法!
* */
private void closeWindow(){
this.setVisible(false);
}
} // @jve:decl-index=0:visual-constraint="91,34"
package notebook;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FileDialog;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import javax.swing.JColorChooser;
import javax.swing.JFileChooser;
import javax.swing.border.TitledBorder;
import javax.swing.filechooser.FileNameExtensionFilter;
/**
*
* @author __USER__
*/
public class netbookmain extends javax.swing.JFrame {
FileDialog fd = null;//声明一个文件对话框
//创建SWING组件的文件选择对话框
JFileChooser fileDialog = new JFileChooser();
File file = null;
/** Creates new form netbookmain */
/**
*
*/
public netbookmain() {
Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
this.setBounds((size.width - 700) / 2, (size.height - 600) / 2, 500,
600);
initComponents();
//txt1.setBorder(new TitledBorder("文本内容"));//在面板里加上边线
openFile.addActionListener(new MyActionListener());
saveFile.addActionListener(new MyActionListener());
newFile.addActionListener(new MyActionListener());
exit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);//关闭程序
}
});
colorFile.addActionListener(new MyActionListener());
fontFile.addActionListener(new MyActionListener());
bankcolor.addActionListener(new MyActionListener());
txt1.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
if (e.getButton() == 3) {
jPopupMenu1.show(txt1, e.getX(), e.getY());//右键菜单显示
}
}
});
//右键菜单中的监听
//全选文本区域里面的内容
SelectAll.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.selectAll();
}
});
copy.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.copy();
}
});
cut.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.cut();
}
});
pater.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
txt1.paste();
}
});
openFile.setActionCommand("open");
saveFile.setActionCommand("save");
newFile.setActionCommand("newF");
colorFile.setActionCommand("color");
fontFile.setActionCommand("font");
bankcolor.setActionCommand("bankc");
}
private void MyPopupMenuListener() {
}
/**
* @author Administrator
*菜单事件
*/
private class MyActionListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
String comm = e.getActionCommand();
if (comm.equals("open")) {
open();
} else if (comm.equals("save")) {
save();
} else if (comm.equals("newF")) {
txt1.setText("");
file = null;
} else if (comm.equals("font")) {
setfont();
} else if (comm.equals("color")) {
setcolor();
} else if (comm.equals("bankc")) {
setbancolor();
}
}
}
/**
* 设置字体
*/
private void setfont() {
Font font = FontChooserDialog.showDialog(this, true);
txt1.setFont(font);
}
/**
* 设置字体颜色
*/
private void setcolor() {
Color color = JColorChooser.showDialog(this, "设置字体颜色", txt1
.getForeground());
txt1.setForeground(color);//设置字体颜色
}
/**
* 设置背景颜色
*/
private void setbancolor() {
Color color = JColorChooser.showDialog(this, "设置背景颜色", txt1
.getBackground());
txt1.setBackground(color);//设置背景颜色
}
/**
* 保存文件方法
*/
private void save() {
BufferedWriter bw = null;
if (file == null) {
// fd = new FileDialog(this, "我的保存", FileDialog.SAVE);
// fd.setVisible(true);
//创建txt文件的过滤器
FileNameExtensionFilter ext = new FileNameExtensionFilter("文本文件",
".txt");
//将过滤器添加到文件选择对话框
fileDialog.addChoosableFileFilter(ext);
int resu = fileDialog.showSaveDialog(this);
if (resu == JFileChooser.CANCEL_OPTION)
return;
file = fileDialog.getSelectedFile();//得到选泽的文件
System.out.println(file.getName());
// String path = fd.getDirectory();
// String fileName = fd.getFile();
// file = new File(path, fileName);
}
try {
bw = new BufferedWriter(new FileWriter(file));
String txt = txt1.getText();
bw.write(txt.replaceAll("([^\r])\n", "$1\r\n"));
bw.flush();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (bw != null)
bw.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/**
* 打开文件方法
*/
private void open() {
// fd = new FileDialog(this, "打开文件", FileDialog.LOAD);//打开模式
// fd.setVisible(true);//将文件对话框设置为可见
// String path = fd.getDirectory();
// String fileName = fd.getFile();
BufferedReader br = null;
// if(path==null||fileName==null)return;
// file = new File(path, fileName);
//创建txt文件的过滤器
FileNameExtensionFilter ext = new FileNameExtensionFilter("文本文件",
".txt");
//将过滤器添加到文件选择对话框
fileDialog.addChoosableFileFilter(ext);
int resu = fileDialog.showSaveDialog(this);
if (resu == JFileChooser.CANCEL_OPTION)
return;
file = fileDialog.getSelectedFile();
//System.out.println(path + ":" + fileName);
try {
br = new BufferedReader(new FileReader(file));
String line = null;
txt1.setText("");
while ((line = br.readLine()) != null) {
txt1.append(line + "\r\n");
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if (br != null)
br.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
//GEN-BEGIN:initComponents
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
bankcolor = new javax.swing.JMenuItem();
jPopupMenu1 = new javax.swing.JPopupMenu();
SelectAll = new javax.swing.JMenuItem();
copy = new javax.swing.JMenuItem();
cut = new javax.swing.JMenuItem();
jSeparator3 = new javax.swing.JSeparator();
pater = new javax.swing.JMenuItem();
jScrollPane1 = new javax.swing.JScrollPane();
txt1 = new javax.swing.JTextArea();
jMenuBar1 = new javax.swing.JMenuBar();
newFile = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jSeparator2 = new javax.swing.JSeparator();
openFile = new javax.swing.JMenuItem();
saveFile = new javax.swing.JMenuItem();
jSeparator1 = new javax.swing.JSeparator();
exit = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
fontFile = new javax.swing.JMenuItem();
colorFile = new javax.swing.JMenuItem();
bankcolor = new javax.swing.JMenuItem();
jMenuBar1 = new javax.swing.JMenuBar();
newFile = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jSeparator2 = new javax.swing.JSeparator();
openFile = new javax.swing.JMenuItem();
saveFile = new javax.swing.JMenuItem();
jSeparator1 = new javax.swing.JSeparator();
exit = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
fontFile = new javax.swing.JMenuItem();
colorFile = new javax.swing.JMenuItem();
bankcolor = new javax.swing.JMenuItem();
bankcolor.setText("\u80cc\u666f\u989c\u8272");
jMenu2.add(bankcolor);
SelectAll.setText("\u5168\u9009");
jPopupMenu1.add(SelectAll);
copy.setText("\u590d\u5236");
jPopupMenu1.add(copy);
cut.setText("\u88c1\u526a");
jPopupMenu1.add(cut);
jPopupMenu1.add(jSeparator3);
pater.setText("\u7c98\u8d34");
jPopupMenu1.add(pater);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(new java.awt.CardLayout());
txt1.setColumns(50);
txt1.setRows(30);
txt1.setBorder(javax.swing.BorderFactory
.createTitledBorder("\u6211\u7684\u6587\u6863"));
jScrollPane1.setViewportView(txt1);
getContentPane().add(jScrollPane1, "card2");
newFile.setText("\u6587\u4ef6");
jMenuItem1.setText("\u65b0\u5efa");
newFile.add(jMenuItem1);
newFile.add(jSeparator2);
openFile.setText("\u6253\u5f00");
newFile.add(openFile);
saveFile.setText("\u4fdd\u5b58");
newFile.add(saveFile);
newFile.add(jSeparator1);
exit.setText("\u9000\u51fa");
newFile.add(exit);
jMenuBar1.add(newFile);
jMenu2.setLabel("\u683c\u5f0f");
fontFile.setText("\u5b57\u4f53");
jMenu2.add(fontFile);
colorFile.setText("\u5b57\u4f53\u989c\u8272");
colorFile.setActionCommand("\u80cc\u666f\u989c\u8272");
jMenu2.add(colorFile);
bankcolor.setText("\u80cc\u666f\u989c\u8272");
jMenu2.add(bankcolor);
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
newFile.setText("\u6587\u4ef6");
jMenuItem1.setText("\u65b0\u5efa");
newFile.add(jMenuItem1);
newFile.add(jSeparator2);
openFile.setText("\u6253\u5f00");
newFile.add(openFile);
saveFile.setText("\u4fdd\u5b58");
newFile.add(saveFile);
newFile.add(jSeparator1);
exit.setText("\u9000\u51fa");
newFile.add(exit);
jMenuBar1.add(newFile);
jMenu2.setLabel("\u683c\u5f0f");
fontFile.setText("\u5b57\u4f53");
jMenu2.add(fontFile);
colorFile.setText("\u5b57\u4f53\u989c\u8272");
colorFile.setActionCommand("\u80cc\u666f\u989c\u8272");
jMenu2.add(colorFile);
bankcolor.setText("\u80cc\u666f\u989c\u8272");
jMenu2.add(bankcolor);
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
pack();
}// </editor-fold>
//GEN-END:initComponents
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new netbookmain().setVisible(true);
}
});
}
//GEN-BEGIN:variables
// Variables declaration - do not modify
private javax.swing.JMenuItem SelectAll;
private javax.swing.JMenuItem bankcolor;
private javax.swing.JMenuItem colorFile;
private javax.swing.JMenuItem copy;
private javax.swing.JMenuItem cut;
private javax.swing.JMenuItem exit;
private javax.swing.JMenuItem fontFile;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JPopupMenu jPopupMenu1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JSeparator jSeparator1;
private javax.swing.JSeparator jSeparator2;
private javax.swing.JSeparator jSeparator3;
private javax.swing.JMenu newFile;
private javax.swing.JMenuItem openFile;
private javax.swing.JMenuItem pater;
private javax.swing.JMenuItem saveFile;
private javax.swing.JTextArea txt1;
// End of variables declaration//GEN-END:variables
}
package notebook;
import java.awt.GraphicsEnvironment;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.ListModel;
import java.awt.Font;
import javax.swing.JPanel;
import java.awt.Rectangle;
import javax.swing.JScrollPane;
import javax.swing.BorderFactory;
import javax.swing.border.TitledBorder;
import java.awt.Color;
import javax.swing.JList;
import javax.swing.JLabel;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JTextField;
import javax.swing.border.BevelBorder;
import javax.swing.border.SoftBevelBorder;
import javax.swing.JButton;
import javax.swing.SwingConstants;
public class FontChooserDialog extends JDialog {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* 界面设计需要
* */
private JPanel jPanel = null;
private JScrollPane jScrollPane = null;
private JPanel jPanel1 = null;
private JLabel jLabel = null;
private JLabel jLabel1 = null;
private JLabel jLabel2 = null;
private JTextField fontNameText = null;
private JTextField fontItalicText = null;
private JTextField fontSizeText = null;
private JList fontNameList = null;
private JList fontItalicList = null;
private JList fontSizeList = null;
private JPanel jPanel2 = null;
private JButton okButton = null;
private JButton regitButton = null;
private JButton cancleButton = null;
private JScrollPane jScrollPane1 = null;
private JScrollPane jScrollPane2 = null;
private JScrollPane jScrollPane3 = null;
private static JLabel fontStyle = null;
/**
* 字体默认变量
* */
private Font defaultFont = new Font("\u5b8b\u4f53", Font.PLAIN, 12);
/**
* 返回字体变量
* */
private static Font returnFont = null;
/**
* Boolean 变量,判断是否正常返回,是否用户选择了字体
* */
private static boolean judge = false;
/**
* 以防止事件重复调用或不必要的更改,定义两个boolean变量分别
* 为:fontNameList和fontSizeList判断
* 等于true则循环调用,false则不
* */
private boolean nameJuge = true;
private boolean sizeJuge = true;
public FontChooserDialog(){
this(null);
}
public FontChooserDialog(JFrame jframe){
this(jframe,true);
}
public FontChooserDialog(JFrame jframe,boolean boo){
this(jframe,boo,null);
}
public FontChooserDialog(JFrame jframe,boolean boo,Font font){
super(jframe,boo);
initialize();
initializeFont(font);
this.setLocationRelativeTo(jframe);
}
/**
* This method initializes this
*
*/
private void initialize() {
this.setContentPane(getJPanel());
this.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
this.setBounds(new Rectangle(0, 0, 430, 335));
this.setTitle("字体选择对话框");
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e) {
judge = false;
closeWindow();
}
});
}
public static Font showDialog(JFrame jframe,boolean boo){
return showDialog(jframe,boo,null);
}
public static Font showDialog(JFrame jframe,boolean boo,Font font){
JDialog jd = new FontChooserDialog(jframe,boo,font);
jd.setVisible(true);
if(judge){returnFont = fontStyle.getFont();}
jd.dispose();
return returnFont;
}
/**
* This method initializes jPanel
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel() {
if (jPanel == null) {
jPanel = new JPanel();
jPanel.setLayout(null);
jPanel.setFont(new Font("Dialog", Font.PLAIN, 12));
jPanel.add(getJPanel1(), null);
jPanel.add(getJPanel2(), null);
jPanel.add(getOkButton(), null);
jPanel.add(getRegitButton(), null);
jPanel.add(getCancleButton(), null);
}
return jPanel;
}
/**
* This method initializes jScrollPane
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane() {
if (jScrollPane == null) {
fontStyle = new JLabel();
fontStyle.setText("你好！天生我才必有用!Hello World!");
fontStyle.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontStyle.setHorizontalAlignment(SwingConstants.CENTER);
fontStyle.setHorizontalTextPosition(SwingConstants.CENTER);
jScrollPane = new JScrollPane();
jScrollPane.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));
jScrollPane.setViewportView(fontStyle);
jScrollPane.setBounds(new Rectangle(5, 20, 400, 60));
}
return jScrollPane;
}
/**
* This method initializes jPanel1
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel1() {
if (jPanel1 == null) {
jLabel2 = new JLabel();
jLabel2.setBounds(new Rectangle(285, 5, 120, 15));
jLabel2.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
jLabel2.setText("大小:");
jLabel1 = new JLabel();
jLabel1.setBounds(new Rectangle(160, 5, 120, 15));
jLabel1.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
jLabel1.setText("字型:");
jLabel = new JLabel();
jLabel.setBounds(new Rectangle(5, 5, 150, 15));
jLabel.setDisplayedMnemonic(KeyEvent.VK_UNDEFINED);
jLabel.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
jLabel.setText("字体:");
jPanel1 = new JPanel();
jPanel1.setLayout(null);
jPanel1.setBounds(new Rectangle(5, 5, 410, 175));
jPanel1.setBorder(new SoftBevelBorder(SoftBevelBorder.LOWERED));
jPanel1.add(jLabel, null);
jPanel1.add(jLabel1, null);
jPanel1.add(jLabel2, null);
jPanel1.add(getFontNameText(), null);
jPanel1.add(getFontItalicText(), null);
jPanel1.add(getFontSizeText(), null);
jPanel1.add(getJScrollPane1(), null);
jPanel1.add(getJScrollPane2(), null);
jPanel1.add(getJScrollPane3(), null);
}
return jPanel1;
}
/**
* This method initializes fontNameText
*
* @return javax.swing.JTextField
*/
private JTextField getFontNameText() {
if (fontNameText == null) {
fontNameText = new JTextField();
fontNameText.setBounds(new Rectangle(5, 25, 150, 20));
fontNameText.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontNameText.addKeyListener(new KeyAdapter(){
public void keyTyped(KeyEvent e) {
String oldText = fontNameText.getText();
String newText = "";
if("".equals(fontNameText.getSelectedText()) && null == fontNameText.getSelectedText()){
newText = fontNameText.getText()+e.getKeyChar();
}else{
newText = oldText.substring(0,fontNameText.getSelectionStart())+e.getKeyChar()+oldText.substring(fontNameText.getSelectionEnd());
}
System.out.println("fontName:"+newText);
nameJuge = false;
fontNameList.setSelectedValue(getLateIndex(fontNameList,newText),true);
nameJuge = true;
}
});
}
return fontNameText;
}
/**
* This method initializes fontItalicText
*
* @return javax.swing.JTextField
*/
private JTextField getFontItalicText() {
if (fontItalicText == null) {
fontItalicText = new JTextField();
fontItalicText.setBounds(new Rectangle(160, 25, 120, 20));
fontItalicText.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontItalicText.setEnabled(false);
}
return fontItalicText;
}
/**
* This method initializes fontSizeText
*
* @return javax.swing.JTextField
*/
private JTextField getFontSizeText() {
if (fontSizeText == null) {
fontSizeText = new JTextField();
fontSizeText.setBounds(new Rectangle(285, 25, 120, 20));
fontSizeText.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontSizeText.setColumns(4);
fontSizeText.addKeyListener(new KeyAdapter(){
public void keyTyped(KeyEvent e) {
//System.out.println("Key Code:"+(Character.getNumericValue(e.getKeyChar())==-1));
String oldText = fontSizeText.getText();
String newText = "";
if("".equals(fontSizeText.getSelectedText()) && null == fontSizeText.getSelectedText()){
newText = fontSizeText.getText()+e.getKeyChar();
}else{
newText = oldText.substring(0,fontSizeText.getSelectionStart())+e.getKeyChar()+oldText.substring(fontSizeText.getSelectionEnd());
}
//System.out.println("fontSize:"+newText);
sizeJuge = false;
fontSizeList.setSelectedValue(getLateIndex(fontSizeList,newText),true);
if(newText.matches("(\\d)+")){
fontStyle.setFont(new Font(fontStyle.getFont().getFontName(),fontStyle.getFont().getStyle(),Integer.parseInt(newText)));
}
sizeJuge = true;
}
});
}
return fontSizeText;
}
/**
* This method initializes fontNameList
*
* @return javax.swing.JList
*/
private JList getFontNameList() {
if (fontNameList == null) {
fontNameList = new JList(GraphicsEnvironment.getLocalGraphicsEnvironment()
.getAvailableFontFamilyNames());
fontNameList.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontNameList
.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent e) {
if(nameJuge){fontNameText.setText(fontNameList.getSelectedValue().toString());}
fontStyle.setFont(new Font(fontNameList.getSelectedValue().toString(),fontStyle.getFont().getStyle(),fontStyle.getFont().getSize()));
}
});
}
return fontNameList;
}
/**
* This method initializes fontItalicList
*
* @return javax.swing.JList
*/
private JList getFontItalicList() {
if (fontItalicList == null) {
fontItalicList = new JList(new String[]{"Plain", "Bold", "Italic","Bold Italic"});
fontItalicList.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontItalicList
.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent e) {
fontItalicText.setText(fontItalicList.getSelectedValue().toString());
fontStyle.setFont(new Font(fontStyle.getFont().getFontName(),fontItalicList.getSelectedIndex(),fontStyle.getFont().getSize()));
}
});
}
return fontItalicList;
}
/**
* This method initializes fontSizeList
*
* @return javax.swing.JList
*/
private JList getFontSizeList() {
if (fontSizeList == null) {
fontSizeList = new JList(new String[]{"3", "4", "5", "6", "7", "8", "9", "10",
"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "22",
"24", "27", "30", "34", "39", "45", "51", "60"});
fontSizeList.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
fontSizeList
.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
public void valueChanged(javax.swing.event.ListSelectionEvent e) {
if(sizeJuge){fontSizeText.setText(fontSizeList.getSelectedValue().toString());}
fontStyle.setFont(new Font(fontStyle.getFont().getFontName(),fontStyle.getFont().getStyle(),Integer.parseInt(fontSizeList.getSelectedValue().toString())));
}
});
}
return fontSizeList;
}
/**
* This method initializes jPanel2
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel2() {
if (jPanel2 == null) {
jPanel2 = new JPanel();
jPanel2.setLayout(null);
jPanel2.setBounds(new Rectangle(3, 180, 414, 90));
jPanel2.setBorder(BorderFactory.createTitledBorder(null, "\u6548\u679c\u9884\u89c8", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, new Font("\u5b8b\u4f53", Font.PLAIN, 12), new Color(51, 51, 51)));
jPanel2.add(getJScrollPane(), null);
}
return jPanel2;
}
/**
* This method initializes okButton
*
* @return javax.swing.JButton
*/
private JButton getOkButton() {
if (okButton == null) {
okButton = new JButton();
okButton.setBounds(new Rectangle(215, 275, 60, 20));
okButton.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
okButton.setText("确定");
okButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
judge = true;
closeWindow();
}
});
}
return okButton;
}
/**
* This method initializes regitButton
*
* @return javax.swing.JButton
*/
private JButton getRegitButton() {
if (regitButton == null) {
regitButton = new JButton();
regitButton.setBounds(new Rectangle(285, 275, 60, 20));
regitButton.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
regitButton.setText("重置");
regitButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
initializeFont(null);
}
});
}
return regitButton;
}
/**
* This method initializes cancleButton
*
* @return javax.swing.JButton
*/
private JButton getCancleButton() {
if (cancleButton == null) {
cancleButton = new JButton();
cancleButton.setBounds(new Rectangle(355, 275, 60, 20));
cancleButton.setFont(new Font("\u5b8b\u4f53", Font.PLAIN, 12));
cancleButton.setText("取消");
cancleButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
judge = false;
closeWindow();
}
});
}
return cancleButton;
}
/**
* This method initializes jScrollPane1
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane1() {
if (jScrollPane1 == null) {
jScrollPane1 = new JScrollPane();
jScrollPane1.setBounds(new Rectangle(5, 50, 150, 120));
jScrollPane1.setViewportView(getFontNameList());
}
return jScrollPane1;
}
/**
* This method initializes jScrollPane2
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane2() {
if (jScrollPane2 == null) {
jScrollPane2 = new JScrollPane();
jScrollPane2.setBounds(new Rectangle(160, 50, 120, 120));
jScrollPane2.setViewportView(getFontItalicList());
}
return jScrollPane2;
}
/**
* This method initializes jScrollPane3
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane3() {
if (jScrollPane3 == null) {
jScrollPane3 = new JScrollPane();
jScrollPane3.setBounds(new Rectangle(285, 50, 120, 120));
jScrollPane3.setViewportView(getFontSizeList());
}
return jScrollPane3;
}
/**
* 默认的字体初始化方法
* */
private void initializeFont(Font font){
if(font!=null){
defaultFont = font;
fontStyle.setFont(defaultFont);
}
fontStyle.setFont(defaultFont);
fontNameList.setSelectedValue(defaultFont.getFontName(), true);
fontSizeList.setSelectedValue(new Integer(defaultFont.getSize()).toString(), true);
fontItalicList.setSelectedIndex(defaultFont.getStyle());
}
/**
* 判断里给定的值最近的索引
* */
private Object getLateIndex(JList jlist,String str){
ListModel list = jlist.getModel();
if(str.matches("(\\d)+")){
for(int i = list.getSize()-1;i>=0;i--){
if(Integer.parseInt(list.getElementAt(i).toString())<=Integer.parseInt(str)){
return list.getElementAt(i);
}
}
}else {
for(int i = list.getSize()-2;i>=0;i--){
if(str.compareToIgnoreCase(list.getElementAt(i).toString())==0){
return list.getElementAt(i);
}else if(str.compareToIgnoreCase(list.getElementAt(i).toString())>0){
return list.getElementAt(i+1);
}
}
}
return list.getElementAt(0);
}
/**
* 窗体关闭方法!
* */
private void closeWindow(){
this.setVisible(false);
}
} // @jve:decl-index=0:visual-constraint="91,34"
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- JAVA/GUI程序之记事本
- 学习java第一课，记事本编写Java程序并运行
- java程序 记事本
- 用记事本编写Java程序并在命令窗口下运行
- 我的Java之路——一 记事本编写Java小程序
- java程序代写如何运行用记事本写的java程序
- Java小程序之我的记事本
- java学习之用记事本写简单的HelloWorld程序
- JAVA/GUI程序之记事本
- 用记事本编写Java程序时 保存编码问题
- JavaHello_记事本程序
- 程序—java记事本
- 使用记事本开发第一个java程序
- Day-3 使用记事本编写第一个Java程序
- 今天没怎么写程序，就用JAVA调了下记事本，计算器，嘿嘿，写一个代码也是热身呀～～～
- 慕课网-安卓工程师初养成-1-3 使用记事本编写Java程序
- 记事本 + 命令行 + Tomcat + JDK 写一个简单的JavaWeb程序
- java版记事本程序
- 配置java开发环境及使用记事本编写第一个最简单的java程序
- 用记事本和控制台（dos）运行java程序