Java UIManager - Change ComponentsStyle

问题

I want to change my componentstyle by using UIManager.

For example:

I click on a Button and the Button foreground changes from black to green. The same for a JCheckbox.....

In my example the changes just work for the Button.gradient.... I get no update for Button.foreground and no update for the JCheckbox!

Here my UIManagerClass:

  package components;

import java.awt.Color;
import java.util.ArrayList;
import javax.swing.SwingUtilities;


public class OwnUiManager {

    ButtonDemo Bd;

    OwnUiManager(ButtonDemo aThis) {
        Bd = aThis;
    }

    public void setNormal() {
        ArrayList<Object> gradients = new ArrayList();
        gradients.add(0.3);
        gradients.add(0.0);
        gradients.add(new Color(221, 232, 243));
        gradients.add(new Color(255, 255, 255));
        gradients.add(new Color(184, 207, 229));
        javax.swing.UIManager.put("RadioButton.background", Color.PINK);
        javax.swing.UIManager.put("Button.gradient", gradients);
        javax.swing.UIManager.put("Button.foreground", Color.PINK);
        SwingUtilities.updateComponentTreeUI(Bd);
    }

    public void setNightVision() {
        System.out.println("Tes");
        ArrayList<Object> gradients = new ArrayList();
        gradients.add(0.18f);
        gradients.add(0.17f);
        gradients.add(Color.BLACK);
        gradients.add(Color.DARK_GRAY);
        gradients.add(Color.DARK_GRAY);
        javax.swing.UIManager.put("RadioButton.background", Color.GRAY);
        javax.swing.UIManager.put("Button.gradient", gradients);
        javax.swing.UIManager.put("Button.foreground", Color.red);

        SwingUtilities.updateComponentTreeUI(Bd);
    }
}

and here my Buttondemo/Main-Class:

package components;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;

public class ButtonDemo extends JPanel
        implements ActionListener {

    protected JButton b1,b2;
    private JRadioButton b3;

    public ButtonDemo() {

        b1 = new JButton("ON");
        b1.addActionListener(this);
        add(b1);
        b2 = new JButton("OFF");
        b2.addActionListener(this);
        add(b2);
        //For Testing the Style
        b3=new JRadioButton("Test");
        add(b3);
    }

    public void actionPerformed(ActionEvent e) {
        OwnUiManager test = new OwnUiManager(this);
        if (e.getSource().equals(b1)) {
            test.setNormal();
        } else {
            test.setNightVision();
        }
    }

    private static void createAndShowGUI() {
        JFrame frame = new JFrame("ButtonDemo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        ButtonDemo newContentPane = new ButtonDemo();
        newContentPane.setOpaque(true); //content panes must be opaque
        frame.setContentPane(newContentPane);
        frame.pack();
        frame.setVisible(true);
    }


    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}

回答1:

JCheckBox / JRadioButton has Icon
have to change own Icon to concrete JCheckBox / JRadioButton or put then to the UIManager, then apply for whole JVM instance
for more infos have to check UIManager Defaults and Key Bindings by camickr
most of your potential issues is descibed in Creating a custom button in Java with JButton

来源：https://stackoverflow.com/questions/14583878/java-uimanager-change-componentsstyle

标签

java

swing

uimanager