Java 从另一个类访问JSlider的GUI
我正在为我创建的每个选项卡添加加热器按钮和加热器JSlider,加热器按钮用于关闭和打开,加热器JSlider用于选择温度 JSlider状态预设为false,因此当我单击加热器按钮打开加热器时 我需要它将JSlider的状态设置为TRUE,如何在加热器按钮类中访问加热器JSlider?如果不是的话,还有什么其他方法可以做到这一点呢 谢谢你的帮助Java 从另一个类访问JSlider的GUI,java,swing,jbutton,jslider,Java,Swing,Jbutton,Jslider,我正在为我创建的每个选项卡添加加热器按钮和加热器JSlider,加热器按钮用于关闭和打开,加热器JSlider用于选择温度 JSlider状态预设为false,因此当我单击加热器按钮打开加热器时 我需要它将JSlider的状态设置为TRUE,如何在加热器按钮类中访问加热器JSlider?如果不是的话,还有什么其他方法可以做到这一点呢 谢谢你的帮助 import java.util.ArrayList; import java.awt.*; import javax.swing.*; import
import java.util.ArrayList;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class MasterGUI extends JFrame implements ActionListener{
public MasterGUI(){
}
public void DisplayFrame(){
ArrayList<Rooms> rooms;
rooms = Building.getRoomList();
JFrame master = new JFrame("Solar Master Control Panel");
master.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container content = master.getContentPane();
content.setBackground(Color.lightGray);
JTabbedPane tabbedPane = new JTabbedPane();
JPanel tmpPanel;
for(int x = 0; x < rooms.size(); x++){
tmpPanel = new JPanel();
String roomName = rooms.get(x).getName();
int roomId = rooms.get(x).getId();
tabbedPane.addTab(roomName + " Room " + roomId, tmpPanel);
for(int i = 0; i < rooms.get(x).roomLights.size(); i++){
int lightId = rooms.get(x).roomLights.get(i).getId();
JButton lights = new JButton("Light" + lightId);
lights.setBackground(Color.red);
lights.addActionListener(new LightButton(roomId, lightId));
((JPanel) tabbedPane.getComponentAt(x)).add(lights);
}
JButton heater = new JButton("Heater");
heater.setBackground(Color.red);
heater.addActionListener(new HeaterButton(roomId));
JSlider heaterSlider = new JSlider(68, 73);
heaterSlider.setPaintTicks(true);
heaterSlider.setPaintLabels(true);
heaterSlider.setMajorTickSpacing(1);
heaterSlider.addChangeListener(new HeaterSlider(roomId));
heaterSlider.setEnabled(false);
((JPanel) tabbedPane.getComponentAt(x)).add(heater);
((JPanel) tabbedPane.getComponentAt(x)).add(heaterSlider);
}
master.add(tabbedPane, BorderLayout.CENTER);
master.setSize(800, 600);
content.add(tabbedPane);
master.setVisible(true);
}
import java.util.ArrayList;
导入java.awt.*;
导入javax.swing.*;
导入java.awt.event.*;
公共类MasterGUI扩展JFrame实现ActionListener{
公共MasterGUI(){
}
公共void DisplayFrame(){
ArrayList房间;
房间=Building.getRoomList();
JFrame master=新JFrame(“太阳能主控制面板”);
master.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
容器内容=master.getContentPane();
内容。背景(颜色。浅灰色);
JTabbedPane tabbedPane=新的JTabbedPane();
JPanel-tmpPanel;
对于(int x=0;x
加热按钮类
import java.util.ArrayList;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class HeaterButton implements ActionListener{
int roomNumber;
public HeaterButton(int room){
roomNumber = room;
}
public void actionPerformed(ActionEvent e){
ArrayList<Rooms> rooms;
rooms = Building.getRoomList();
if(rooms.get(roomNumber - 1).roomHeater.getHeaterStatus() == true){
rooms.get(roomNumber - 1).roomHeater.setHeaterOff();
((JButton)e.getSource()).setBackground(Color.red);
}else{
rooms.get(roomNumber - 1).roomHeater.setHeaterOn();
((JButton)e.getSource()).setBackground(Color.green);
}
}
}
import java.util.ArrayList;
导入java.awt.*;
导入javax.swing.*;
导入java.awt.event.*;
公共类HeaterButton实现ActionListener{
房间号;
公共加热器按钮(内部房间){
房间号=房间;
}
已执行的公共无效操作(操作事件e){
ArrayList房间;
房间=Building.getRoomList();
if(rooms.get(roomNumber-1).roomhearter.gethearterstatus()==true){
rooms.get(roomNumber-1).roomhearter.setHeaterOff();
((JButton)e.getSource()).setBackground(Color.red);
}否则{
rooms.get(roomNumber-1).roomhearter.setHeaterOn();
((JButton)e.getSource()).setBackground(Color.green);
}
}
}
首先创建滑块,然后将其传递给按钮
更改:
heater.addActionListener(new HeaterButton(roomId));
致:
您应该查看命令模式()。HeaterButton类有点令人困惑,因为它没有按钮。Swing有一个Action类,您可以将它用作接口,而不是ActionListener。这样,您就可以给按钮一个要执行的特定操作:)
heater.addActionListener(new HeaterButton(roomId, slider));