import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
import javafx.stage.Window;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import java.awt.FileDialog;
import java.awt.Insets;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import javax.swing.JOptionPane;
import javafx.event.ActionEvent;
import javafx.scene.control.*;
import javafx.scene.paint.Color;
import javafx.scene.input.*;
public class Java extends Application
{
private TextField tf=new TextField();
private FileDialog fd1,fd2;
private PasswordField pf=new PasswordField();
private TextArea ta=new TextArea("可以编写你的日记了");
private String path = null;// 装打开的文件的路径
boolean save = false; // 没有保存
int startIndex = 0; ///字符串开始的位置
@Override
public void start(Stage stage)
{
MenuBar menuB=new MenuBar();
BorderPane rootBP=new BorderPane();
rootBP.setTop(menuB);
rootBP.setCenter(ta);
Menu fileM=new Menu("文件");
fileM.setMnemonicParsing(true);
MenuItem newMI=new MenuItem("新建");
MenuItem openMI=new MenuItem("打开");
openMI.setAccelerator(KeyCombination.keyCombination("Ctrl+o"));
MenuItem saveMI=new MenuItem("保存");
MenuItem exitMI=new MenuItem("退出");
exitMI.setAccelerator(KeyCombination.keyCombination("Ctrl+x"));
EventHandlerMEHandler=new EventHandler()
{
public void handle(ActionEvent ae)
{
String name=((MenuItem) ae.getTarget()).getText();
if(name.equals("退出"))
Platform.exit();
if(name.equals("打开"))
{
openMethod();
}
if(name.equals("新建"))
{
newMethod();
}
if(name.equals("保存"))
{
saveMethod();
}
}
};
exitMI.setOnAction(MEHandler);
newMI.setOnAction(MEHandler);
openMI.setOnAction(MEHandler);
saveMI.setOnAction(MEHandler);
fileM.getItems().addAll(newMI,openMI,saveMI,exitMI);
Menu styleM=new Menu("格式");
Menu fontM=new Menu("字体");
CheckMenuItem boldMI=new CheckMenuItem("粗体");
boldMI.setSelected(true);
CheckMenuItem italicMI=new CheckMenuItem("斜体");
fontM.getItems().addAll(boldMI,italicMI);
Menu rgbM=new Menu("颜色");
RadioMenuItem rMI=new RadioMenuItem("红色");
RadioMenuItem gMI=new RadioMenuItem("绿色");
RadioMenuItem bMI=new RadioMenuItem("蓝色");
rMI.setOnAction(e->ta.setStyle("-fx-text-fill:red"));
gMI.setOnAction(e->ta.setStyle("-fx-text-fill:green"));
bMI.setOnAction(e->ta.setStyle("-fx-text-fill:blue"));
boldMI.setOnAction(e->ta.setStyle("-fx-text-weight:blod"));
italicMI.setOnAction(e->ta.setStyle("-fx-text-decoration:italic"));
bMI.setSelected(true);
ToggleGroup rgbG=new ToggleGroup();
rMI.setToggleGroup(rgbG);
gMI.setToggleGroup(rgbG);
bMI.setToggleGroup(rgbG);
rgbM.getItems().addAll(rMI,gMI,bMI);
styleM.getItems().addAll(fontM,new SeparatorMenuItem(),rgbM);
menuB.getMenus().addAll(fileM,styleM);
GridPane rootGP=new GridPane();
BorderPane bp=new BorderPane();
final Label lab1=new Label("用户名:");
final Label lab2=new Label("密码:");
tf.setPromptText("请输入用户名");
pf.setPromptText("请输入密码");
Button bt=new Button("登录");
bt.setPrefWidth(150);
BorderPane.setAlignment(bt,Pos.CENTER);
rootGP.add(lab1, 1, 1);
rootGP.add(tf, 2, 1);
rootGP.add(lab2, 1, 3);
rootGP.add(pf, 2, 3);
rootGP.setStyle("-fx-padding:20");
bp.setCenter(rootGP);
bp.setBottom(bt);
bp.setStyle("-fx-padding:40");
ta.setPrefColumnCount(15);
ta.setEditable(false);
bt.setOnAction(e->
{
if(tf.getText().equals("18704485473")&&pf.getText().equals("YX31818307996845"))
{
ta.setEditable(true);
Stage secondStage = new Stage();
StackPane secondPane = new StackPane(rootBP);
Scene secondScene = new Scene(secondPane, 600, 600);
secondStage.setTitle("韩绍堂的日记本");
secondStage.setScene(secondScene);
secondStage.show();
}
else
{
JOptionPane.showMessageDialog(null,"用户名或密码错误，请重新输入","错误",JOptionPane.INFORMATION_MESSAGE);
tf.setText("");
pf.setText("");
}
}
);
Scene scene=new Scene(bp,390,180);
stage.setTitle("我的日记本");
stage.setScene(scene);
stage.show();
}
private void openMethod()
{
FileChooser fc = new FileChooser();
fc.setTitle("选择文件-打开");
fc.getExtensionFilters().addAll(new FileChooser.ExtensionFilter("TXT", "*.txt"));
Window stage = null;
File file = fc.showOpenDialog(stage);
if (file != null && file.exists())
{
try
{
FileInputStream in = new FileInputStream(file);
byte[] bs = new byte[(int) file.length()];
in.read(bs);
ta.setText(new String(bs));
in.close();
path = file.getPath();
int lastIndex = path.lastIndexOf("\");
String title = path.substring(lastIndex + 1); /
setTitle(title + "-我的记事本");
} catch (Exception e) {
}
}
}
private void setTitle(String string) {
// TODO Auto-generated method stub
}
private void newMethod() {
if (save)
{
ta.setText("");
setTitle("新文件-我的记事本");
path = null;
}
else if (!save && !ta.getText().isEmpty())
{
Stage newStage = new Stage();
VBox vBox = new VBox();
vBox.setSpacing(5);
Label label1 = new Label("你还没有保存内容!!!");
Label label2 = new Label("按“确定”则新建一个文本，");
Label label3= new Label("按“取消”则退出该窗口。");
vBox.getChildren().addAll(label1,label2,label3);
Button ok = new Button("确定");
Button cancel = new Button("取消");
HBox hBox = new HBox();
hBox.setSpacing(30);
hBox.getChildren().addAll(ok,cancel);
BorderPane rootNode = new BorderPane();
rootNode.setTop(vBox);
rootNode.setCenter(hBox);
Scene scene = new Scene(rootNode,300,150);
newStage.setTitle("提示");
newStage.setScene(scene);
newStage.show();
ok.setOnAction(event->{
ta.setText("");
setTitle("新文件-我的记事本");
path = null;
newStage.close();
});
cancel.setOnAction(event->{
newStage.close();
});
}
}
private void saveMethod()
{
if (path == null) {
FileChooser fc = new FileChooser();
fc.setTitle("选择文件-保存");
Window stage = null;
File file = fc.showSaveDialog(stage);
if (file != null && !file.exists())
{
try
{
FileOutputStream out = new FileOutputStream(file);
out.write(ta.getText().getBytes());
out.flush();
out.close();
save = true;
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
else
{
try
{
FileOutputStream out = new FileOutputStream(path);
out.write(ta.getText().getBytes());
out.flush();
out.close();
save = true;
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
}
