java实现仿windows 字体设置选项卡实例

java实现仿windows 字体设置选项卡实例

想用java做一个像windows里一样的txt编辑软件，涉及到字体设置选项卡，在网上找了很久都没找到，就生气啦自己写一个，现在贴这里分享一下，下次再遇到这样的问题就不用自己亲自打代码啦！

package 实验;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.*;

import javax.swing.border.BevelBorder;

/**

* 字体格式设置对话框

*/

public class FontFormat extends JDialog {

private JLabel nameLb;

private JLabel styleLb;

private JLabel sizeLb;

private JLabel presLb;

private JTextField nameTx;

private JTextField styleTx;

private JTextField sizeTx;

private JTextField presTx;

private JList nameLt;

private JList styleLt;

private JList sizeLt;

private jscrollPane jScrollPane1;

private JScrollPane jScrollPane2;

private JScrollPane jScrollPane3;

private JButton approve;

private JButton cancel;

private JButton chose;

private JRadioButton[] language = new JRadioButton[2];

private ButtonGroup languageg;

private String Slanguage[] = { new String("李涛"), new String("ABC") };

private static JFrame frame;

public Font font, newFont;// 字体类

private Color color;// 颜色类

Color newColor;

private JFileChooser fileChoose = new JFileChooser();// 文件选择类实例

private JDialog colorDlg;// 颜色对话框

private JColorChooser colorChoose = new JColorChooser();// 颜色选择类实例

private GraphicsEnvironment environment; // 该类中又获取系统字体的方法；

private String[] fontNameSet;// 字体‘逻辑名'集

// 字体‘样式'集的字符串数组

private String[] fontStyleSet = { "常规", "倾斜", "加粗", "倾斜 加粗" };

// 字体‘样式'集的常量数组

private Integer[] fontCon = { Font.PLAIN, Font.ITALIC, Font.BOLD,

Font.BOLD | Font.ITALIC };

// 字体‘大小'集

private String[] fontSizeSet = { "6", "7", "8", "9", "10", "11", "12",

"14", "16", "18", "20", "22", "24", "26", "28", "36", "48", "72" };

public static void main(String args[]) {// 主函数

FontFormat a = new FontFormat();

a.setVisible(true);

}

public FontFormat() {// 无参构造函数

super(frame, "李涛—字体设置窗口", true);

frame = new JFrame();

initGUI();

}

public FontFormat(JFrame frame) {// 含参构造函数

super(frame, "李涛—字体设置窗口", true);

this.frame = frame;// 父窗口中必须有一个public的Font对象

// setAlwaysOnTop(true);

initGUI();

}

private void initGUI() {// 字体格式选择器的界面初始化

try {

getContentPane().setLayout(null);

environment = GraphicsEnvironment.getLocalGraphicsEnvironment();// GraphicsEnvironment是一个抽象类，不能实例化，只能用其中的静态方法获取一个实例

fontNameSet = environment.getAvailableFontFamilyNames();// 获取系统字体

addMenu();// 加入菜单

initFont();// 初始化字体

// pack();

setSize(380, 337);

setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

setWindowPos();// 使窗口屏幕居中

setResizable(false);// 大小不可变

} catch (Exception e) {

e.printStackTrace();

}

}

private void initFont() {// 初始化字体

// 设置默认字体格式为父窗口font对向的字体格式

if (frame.getFont() == null) {http://

nameTx.setText(fontNameSet[0]);

styleTx.setText(fontStyleSet[0]);

sizeTx.setText("12");

nameLt.setSelectedValue(fontNameSet[0], true);

styleLt.setSelectedIndex(0);

sizeLt.setSelectedValue("12", true);

font = new Font(fontNameSet[0], fontCon[0], 12);

newFont = font;// 保存原来的字体格式

presTx.setFont(font);

// JOptionPane.showMessageDialog(null, "ccac");

} else {

int idxStyle = 0;

for (int i = 0; i < fontCon.length; i++) {

if (fontCon[i] == frame.getFont().getStyle())

idxStyle = i;

}

nameTx.setText(frame.getFont().getName());// 改text

styleTx.setText(fontStyleSet[idxStyle]);

sizeTx.setText("" + frame.getFont().getSize());

nameLt.setSelectedValue(frame.getFont().getName(), true);// 改list显示

styleLt.setSelectedIndex(idxStyle);

sizeLt.setSelectedValue("" + frame.getFont().getSize(), true);

font = new Font(fontNameSet[0], fontCon[0], 12);// 保存当前格式

newFont = font;// 保存原来的字体格式

presTx.setFont(font);// 预览中设为当前模式

}

}

private void addFmuvUNQdMenu() {// 加入菜单

// 4个lable---------------------------------------------------------------------------------

nameLb = new JLabel();

getContentPane().add(nameLb);

nameLb.setText("字体：");

nameLb.setBounds(10, 14, 120, 26);

nameLb.setFont(new java.awt.Font("SimSun", 1, 14));

styleLb = new JLabel();

getContentPane().add(styleLb);

styleLb.setText("字型：");

styleLb.setBounds(151, 14, 120, 23);

styleLb.setFont(new java.awt.Font("SimSun", 1, 14));

sizeLb = new JLabel();

getContentPane().add(sizeLb);

sizeLb.setText("大小：");

sizeLb.setBounds(275, 14, 79, 24);

sizeLb.setFont(new java.awt.Font("SimSun", 1, 14));

presLb = new JLabel();

getContentPane().add(presLb);

presLb.setText("预览：");

presLb.setBounds(151, 150, 120, 80);

presLb.setFont(new java.awt.Font("SimSun", 1, 14));

// 4个textfield---------------------------------------------------------------------------------

nameTx = new JTextField();

nameTx.setEditable(false);

getContentPane().add(nameTx);

nameTx.setBounds(10, 42, 120, 22);

styleTx = new JTextField();

styleTx.setEditable(false);

getContentPane().add(styleTx);

styleTx.setBounds(151, 42, 100, 21);

sizeTx = new JTextField();

sizeTx.setEditable(false);

getContentPane().add(sizeTx);

sizeTx.setBounds(275, 42, 79, 22);

presTx = new JTextField();

presTx.setEditable(false);

getContentPane().add(presTx);

presTx.setBounds(151, 200, 203, 61);

presTx.setText(Slanguage[1]);

// 3个下拉条--+监听-----------------------------------------------------------------------------

jScrollPane1 = new JScrollPane();

getContentPane().add(jScrollPane1);

jScrollPane1.setBounds(10, 74, 120, 210);

{

ListModel fontNameModel = new DefaultComboBoxModel(fontNameSet);

nameLt = new JList();

jScrollPane1.setViewportView(nameLt);

nameLt.setModel(fontNameModel);

nameLt.setBounds(274, 193, 90, 86);

nameLt.setBorder(Bordehttp://rFactory

.createEtchedBorder(BevelBorder.LOWERED));

nameLt.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent evt) {

nameLtMouseClicked(evt);

}

});

}

jScrollPane2 = new JScrollPane();

getContentPane().add(jScrollPane2);

jScrollPane2.setBounds(151, 74, 100, 103);

{

ListModel fontStyleModel = new DefaultComboBoxModel(fontStyleSet);

styleLt = new JList();

jScrollPane2.setViewportView(styleLt);

styleLt.setModel(fontStyleModel);

styleLt.setBounds(310, 215, 70, 102);

styleLt.setBorder(BorderFactory

.createEtchedBorder(BevelBorder.LOWERED));

styleLt.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent evt) {

styleLtMouseClicked(evt);

}

});

}

jScrollPane3 = new JScrollPane();

getContentPane().add(jScrollPane3);

jScrollPane3.setBounds(275, 75, 79, 100);

{

ListModel fontSizeModel = new DefaultComboBoxModel(fontSizeSet);

sizeLt = new JList();

jScrollPane3.setViewportView(sizeLt);

sizeLt.setModel(fontSizeModel);

sizeLt.setBounds(300, 218, 54, 102);

sizeLt.setBorder(BorderFactory

.createEtchedBorder(BevelBorder.LOWERED));

sizeLt.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent evt) {

sizeLtMouseClicked(evt);

}

});

}// -------------------------------------------------------------------------------------

// 中英选项(---------------------------------------------------------------------------------

languageg = new ButtonGroup();

language[0] = new JRadioButton("中");

getContentPane().add(language[0]);

language[0].setSelected(false);// 初始化显示

language[0].setBounds(271, 179, 40, 20);

language[0].setFont(new java.awt.Font("SimSun", 1, 12));

languageg.add(language[0]);

language[0].addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent evt) {

presTx.setText(Slanguage[0]);

}

});

language[1] = new JRadioButton("英");

getContentPane().add(language[1]);

language[1].setSelected(true);

language[1].setBounds(321, 179, 40, 20);

language[1].setFont(new java.awt.Font("SimSun", 1, 12));

languageg.add(language[1]);

language[1].addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent evt) {

presTx.setText(Slanguage[1]);

}

});

// 3个按钮+监听---------------------------------------------------------------------------------

// 确定按钮

approve = new JButton();

getContentPane().add(approve);

approve.setText("确定");

approve.setBounds(151, 265, 67, 20);

approve.setFont(new java.awt.Font("KaiTi_GB2312", 1, 12));

approve.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent evt) {

approveActionPerformed(evt);

}

});

// 取消按钮

cancel = new JButton();

getContentPane().add(cancel);

cancel.setText("取消");

cancel.setBounds(219, 265, 67, 20);

cancel.setFont(new java.awt.Font("KaiTi_GB2312", 1, 12));

cancel.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent evt) {

cancelActionPerformed(evt);

}

});

// 颜色选择按钮

chose = new JButton();

getContentPane().add(chose);

chose.setText("颜色");

chose.setBounds(287, 265, 67, 20);

chose.setFont(new java.awt.Font("KaiTi_GB2312", 1, 12));

chose.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent evt) {

choseActionPerformed(evt);

}

});// -------------------------------------------------------------------------

}

private void setWindowPos() {// 窗口居中

Toolkit kit = Toolkit.getDefaultToolkit();// 抽象类，通过静态方法获取实例

Dimension frameSize = new Dimension(), screenSize = kit.getScreenSize(); // 获取屏幕的大小

getSize(frameSize); // 获取窗口大小

setLocation((screenSize.width - frameSize.width) / 2,

(screenSize.height - frameSize.height) / 2);

}

private void nameLtMouseClicked(MouseEvent evt) {// 字体逻辑名列表的鼠标单击事件

nameTx.setText(nameLt.getSelectedValue().toString());

font = new Font(nameTx.getText(), font.getStyle(), font.getSize());

presTx.setFont(font);

}

private void styleLtMouseClicked(MouseEvent evt) {// 字体样式列表的鼠标单击事件

String temp = styleLt.getSelectedValue().toString();

styleTx.setText(temp);

int index = 0;

while (index < 4 && !fontStyleSet[index].equals(temp)) {

index++;

}

font = new Font(font.getName(), fontCon[index], font.getSize());

presTx.setFont(font);

}

private void sizeLtMouseClicked(MouseEvent evt) {// 字体大小列表的鼠标点击事件

sizeTx.setText(sizeLt.getSelectedValue().toString());

font = new Font(font.getName(), font.getStyle(),

Integer.parseInt(sizeTx.getText()));

presTx.setFont(font);

}

private void approveActionPerformed(ActionEvent evt) {// 确定按钮的触发事件

String name = nameTx.getText();

int style = fontCon[styleLt.getSelectedIndex()];

int size = Integer.parseInt(sizeTx.getText());

font = new Font(name, style, size);

frame.setFont(font); // 父窗口的Font对象

newFont = font;// 更新原来保存格式

newColor = color;// 更新颜色

this.dispose();

}

private void cancelActionPerformed(ActionEvent evt) {// 取消按钮的触发事件

this.dispose();

}

private void choseActionPerformed(ActionEvent evt) {// 颜色选择触发事件

if (colorDlg == null) {

colorDlg = JColorChooser.createDialog(FontFormat.this,

"Select Text Color", true, colorChoose,

new ColorOKListener(), null);

}

colorChoose.setColor(color = presTx.getForeground());

colorDlg.setVisible(true);

}

class ColorOKListener implements ActionListener {// 重写颜色按钮点击监听类覆盖接口ActionListener

public void actionPerformed(ActionEvent e) {

Color c = colorChoose.getColor();

color = c;

presTx.setForeground(c);

presTx.repaint();

}

}

}

效果如下：

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