使用嵌套面板 [英] Working with nested Panels

问题描述

试图为我的游戏构建一个图形用户界面，但无论我使用什么布局，我都无法让面板的嵌套做我喜欢的事情

我的目标是这样的 http://i182.photobucket.com/albums/x202/NekoLLX/CharGenmockup-1.jpg http://i182.photobucket.com/albums/x202/NekoLLX/CharGenmockup2.jpg

在疯狂版本的基础上我得到了我喜欢的左侧，但现在右侧离开了我

大意是，单击左侧菜单的标题栏将覆盖与其相关联的内容窗格(将Visible设置为False)

//http://docs.oracle.com/javase/7/docs/api/java/awt/Color.html
//http://stackoverflow.com/questions/16430922/working-with-nested-panels

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.EmptyBorder;
import javax.swing.border.LineBorder;
import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.*;

public class JaGCharCreation  {

//set inital size of window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int initalWidth = (int) screenSize.width - 50;
int initalHeight = (int) screenSize.height - 50;

public static void main(String[] args) {
    new JaGCharCreation ();
}

//set up thread safe invoking for GUI
public JaGCharCreation () {
    EventQueue.invokeLater(new Runnable() {
        @Override
        public void run() {
            try {
                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
            }

            JFrame frame = new JFrame("Testing");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setLayout(new BorderLayout());
            frame.add(new TestPane());
            frame.pack();
            //frame.setLocationRelativeTo(null);
            frame.setVisible(true);
            // Give the frame an initial size.
            frame.setSize(initalWidth, initalHeight);
        }
    });
}

//main panel to hold all others
public class TestPane extends JPanel {
    public TestPane() {
        setLayout(new GridLayout(0, 2));
        add(createLeftPane());
        add(createRightPane());
    }//end of class for master frame

    protected JPanel createLeftPane() {
        JLabel CharName = new JLabel("Character Name");
        CharName.setFont(new Font("Impact", Font.BOLD, 30));
        CharName.setBorder(new EmptyBorder(0, 81,0, 00));

        JPanel panel = new JPanel(new BorderLayout());
        panel.setBorder(new EmptyBorder(10, 10, 10, 10));
        panel.setBackground(Color.RED);

        JPanel content = new JPanel(new GridBagLayout());
        content.setOpaque(false);

        JPanel view3D = new JPanel();
        view3D.setBackground(Color.DARK_GRAY);
        JPanel view2D = new JPanel();
        view2D.setBackground(Color.PINK);
        JPanel viewIsometric = new JPanel();
        viewIsometric.setBackground(Color.YELLOW);
        JPanel viewData = new JPanel();
        viewData.setBackground(Color.MAGENTA);

        JPanel top = new JPanel(new GridLayout(0, 2));
        top.setBorder(new EmptyBorder(0, 80,0, 80));
        top.setBackground(Color.GREEN);
        top.add(view3D);
        top.add(view2D);

        JPanel bottom = new JPanel(new GridLayout(2, 0));
        bottom.setBorder(new EmptyBorder(0, 80,0, 80));
        bottom.setBackground(Color.GREEN);
        bottom.add(viewIsometric);
        bottom.add(new JScrollPane(viewData));

        GridBagConstraints gbc = new GridBagConstraints();
        gbc.gridwidth = GridBagConstraints.REMAINDER;
        gbc.weighty = 0.5f;
        gbc.weightx = 1f;
        gbc.fill = GridBagConstraints.BOTH;

        content.add(top, gbc);
        content.add(bottom, gbc);

        panel.add(content);
        panel.add(CharName, BorderLayout.NORTH);

        return  panel;
    }//end left pane

    protected JPanel createRightPane() {

        JPanel panel = new JPanel(new BorderLayout());
        panel.setBackground(Color.BLUE);

        //set up our image for the title bars
        ImageIcon icon = new ImageIcon("GradientDetail.png");
        Image img = icon.getImage();
        img = img.getScaledInstance(initalWidth/2, 40, java.awt.Image.SCALE_SMOOTH);
        final ImageIcon iconSM = new ImageIcon(img);

        JPanel name_panel = new JPanel(new BorderLayout())
            {
            protected void paintComponent(Graphics g)
                {
                //  Dispaly image at full size
                g.drawImage(iconSM.getImage(), 0, 0, null);
                super.paintComponent(g);
                }
            };
        name_panel.setOpaque( false );
        JLabel label = new JLabel(" Character Name");
        label.setFont(new Font("Impact", Font.BOLD, 30));
        label.setForeground(Color.white);
        label.setOpaque(false);
        JPanel name_panel_text = new JPanel(new BorderLayout());
        name_panel_text.setBackground(Color.WHITE);

        name_panel.add(label, BorderLayout.NORTH);
        panel.add(name_panel_text);
        panel.add(name_panel);
        return panel;
    }//end right pane

    //bassed from http://stackoverflow.com/questions/7340001/determine-clicked-jpanel-component-in-the-mouselistener-event-handling
    public class MouseAdapterMod extends MouseAdapter {
       // usually better off with mousePressed rather than clicked
       public void mousePressed(MouseEvent e) {
           if (e.getSource() == "name_panel"){

           }
       }
    }
}//end master panel set

}//结束主控类

推荐答案

类似于...

老实说，我试着遵循您的代码，但迷路了，所以我重写了它...

基本上，您所依赖的setSize将被布局管理器忽略并在他们认为合适的时候进行更改。

此示例使用GridBagLayout和weighty调整分配给顶视图(2D/3D)和底视图的空间，但您还应了解如何覆盖最终组件的getPreferredSize，以便为布局管理器提供更好的提示。

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.EmptyBorder;
import javax.swing.border.LineBorder;

public class Test {

    public static void main(String[] args) {
        new Test();
    }

    public Test() {
        EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                try {
                    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
                }

                JFrame frame = new JFrame("Testing");
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setLayout(new BorderLayout());
                frame.add(new TestPane());
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
            }
        });
    }

    public class TestPane extends JPanel {

        public TestPane() {

            setLayout(new GridLayout(0, 2));
            add(createLeftPane());
            add(createRightPane());

        }

        protected JPanel createLeftPane() {

            JPanel panel = new JPanel(new BorderLayout());
            panel.setBorder(new EmptyBorder(10, 10, 10, 10));
            panel.setBackground(Color.RED);

            JPanel content = new JPanel(new GridBagLayout());
            content.setOpaque(false);

            JPanel view3D = new JPanel();
            view3D.setBackground(Color.DARK_GRAY);
            JPanel view2D = new JPanel();
            view2D.setBackground(Color.PINK);
            JPanel viewIsometric = new JPanel();
            viewIsometric.setBackground(Color.YELLOW);
            JPanel viewData = new JPanel();
            viewData.setBackground(Color.MAGENTA);

            JPanel top = new JPanel(new GridLayout(0, 2));
            top.setBorder(new LineBorder(Color.GREEN, 2));
            top.add(view3D);
            top.add(view2D);

            JPanel bottom = new JPanel(new GridLayout(2, 0));
            bottom.add(viewIsometric);
            bottom.add(new JScrollPane(viewData));

            GridBagConstraints gbc = new GridBagConstraints();
            gbc.gridwidth = GridBagConstraints.REMAINDER;
            gbc.weighty = 0.5f;
            gbc.weightx = 1f;
            gbc.fill = GridBagConstraints.BOTH;

            content.add(top, gbc);
            content.add(bottom, gbc);

            panel.add(content);
            panel.add(new JLabel("Character name"), BorderLayout.NORTH);

            return  panel;

        }

        protected JPanel createRightPane() {

            JPanel panel = new JPanel();
            panel.setBackground(Color.BLUE);

            return panel;

        }

    }

}

这篇关于使用嵌套面板的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！