JavaFX编程第一小题源代码

package javaseniorprograme;

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ComboBox;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

/**
 * 16.14
 * @author ASUS
 */
public class Exercise16_14 extends Application{
    @Override
    public void start(Stage stage){
        // 文字
        Text[] text = new Text[]{new Text("Font Name"),new Text("Font Size"),new Text("Come On! Freestyle")};
        text[0].setFont(new Font(14)); 
        text[1].setFont(new Font(14));
        String[] str = (String[])Font.getFamilies().toArray();
        // ComboBox<String>
        ComboBox<String> left = new ComboBox<>();
        ObservableList<String> items1 = FXCollections.observableArrayList(str);
        left.getItems().addAll(items1);
        // ComboBox<Integer>
        ComboBox<Integer> right = new ComboBox<>();
        Integer[] integer = new Integer[100];
        for(int i = 1; i < 101; i++){
            integer[i-1]=new Integer(i);
        }
        ObservableList<Integer> items2 = FXCollections.observableArrayList(integer);
        right.getItems().addAll(items2);
           // CheckBox
        CheckBox[] cb = new CheckBox[]{new CheckBox("Bold"),new CheckBox("Italic")};
        // HBox
        HBox hbox1 = new HBox();
        hbox1.getChildren().addAll(text[0],left,text[1],right);
        HBox hbox2 = new HBox();
        hbox2.getChildren().addAll(cb[0],cb[1]);
        hbox2.setSpacing(20); 
        hbox2.setAlignment(Pos.CENTER); 
        // BorderPane
        BorderPane borderPane = new BorderPane();
        borderPane.setTop(hbox1);
        borderPane.setCenter(text[2]);
        borderPane.setBottom(hbox2);
        Scene scene = new Scene(borderPane,500,300);
        stage.setTitle("Exercise16_14");
        stage.setScene(scene); 
        stage.show();
        
        EventHandler<ActionEvent> action = new EventHandler<ActionEvent>(){
            @Override
            public void handle(ActionEvent e){
                if(cb[0].isSelected()){
                    if(cb[1].isSelected()){
                        text[2].setFont(Font.font(str[items1.indexOf(left.getValue())+1],FontWeight.BOLD,FontPosture.ITALIC,integer[items2.indexOf(right.getValue())+1]));
                    }else{
                        text[2].setFont(Font.font(str[items1.indexOf(left.getValue())+1],FontWeight.BOLD,integer[items2.indexOf(right.getValue())+1]));
                    }
                }else{
                    if(cb[1].isSelected()){
                        text[2].setFont(Font.font(str[items1.indexOf(left.getValue())+1],FontPosture.ITALIC,integer[items2.indexOf(right.getValue())+1]));
                    }else{
                        text[2].setFont(Font.font(str[items1.indexOf(left.getValue())+1],integer[items2.indexOf(right.getValue())+1]));
                    }
                }
            }
        };
        left.setOnAction(action);
        right.setOnAction(action);
        cb[0].setOnAction(action);
        cb[1].setOnAction(action); 
    }
    public static void main(String[] args){
        Application.launch(args); 
    }
}