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Java JTree忽略LaF覆盖_Java_Swing_Nimbus_Uimanager_Uidefaults - Fatal编程技术网

Java JTree忽略LaF覆盖

Java JTree忽略LaF覆盖,java,swing,nimbus,uimanager,uidefaults,Java,Swing,Nimbus,Uimanager,Uidefaults,我最近一直在尝试将系统转换为统一的外观(在本例中为Nimbus)。但是,某些组件需要更改默认值,我不想因为一个组件而只更改默认值 我试图覆盖JTree组件的行高光颜色。我已经设法把它完全关掉了,但这不是我想要的 通过阅读这里的各种问题,我尝试使用: UIDefaults overrides = new UIDefaults(); overrides.put("Tree.selectionBackground", new Color(200,200,200)); overrides.put("ni

我最近一直在尝试将系统转换为统一的外观(在本例中为Nimbus)。但是,某些组件需要更改默认值,我不想因为一个组件而只更改默认值

我试图覆盖JTree组件的行高光颜色。我已经设法把它完全关掉了,但这不是我想要的

通过阅读这里的各种问题,我尝试使用:

UIDefaults overrides = new UIDefaults();
overrides.put("Tree.selectionBackground", new Color(200,200,200));
overrides.put("nimbusSelectionBackground", new Color(200,200,200));

modelTree = new ModelTree(treeModel);

modelTree.putClientProperty("Nimbus.Overrides", overrides);
modelTree.putClientProperty("Nimbus.Overrides.InheritDefaults",true);
其中modelTree扩展了标准JTree。没有这些重写,外观完全是默认的,我知道在derrive类中没有任何内容重写这些属性

问题在于属性被忽略,颜色保持与默认值相同,而InheritDefaults为true,行高亮显示在为false时关闭

我所追求的是一个简单的回忆的行突出

提前谢谢

编辑:

我希望这是一个可以接受的SSCCE(这是我第一次制作)。 应覆盖overiddenTree组件所选行上的默认文字颜色,但不覆盖

取消对覆盖默认值的行的注释以执行相同操作确实有效,但将为所有实例设置该行。

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为了获得更好的帮助,请尽快发布SSCCE/MCVE,简短、可运行、可编译、Ahh ofc,谢谢。我对这一切都是新手,所以我会尽快创造一个完美的感谢!!这正是我需要的。我将不得不调查画家,因为我对他们不熟悉。
public static class treeTest extends JPanel {

    public treeTest() {
        super();

        try {
            UIManager.setLookAndFeel(NimbusLookAndFeel.class.getName());
        } catch (Exception e) {
            e.printStackTrace();
        }

        //UIManager.put("Tree.selectionForeground", Color.BLACK);

        UIDefaults overrides = new UIDefaults();

        overrides.put("Tree.selectionForeground", Color.BLACK);

        JTree defaultsTree = new JTree();
        JTree overiddenTree = new JTree();

        overiddenTree.putClientProperty("Nimbus.Overrides", overrides);
        overiddenTree.putClientProperty("Nimbus.Overrides.InheritDefaults", false);

        add(defaultsTree);
        add(overiddenTree);
    }
}
import java.awt.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.plaf.nimbus.*;

public class TreeCellBackgroundPainterTest {
  public JComponent makeUI() {
    UIDefaults d = new UIDefaults();
    AbstractRegionPainter rp = new AbstractRegionPainter() {
      @Override protected void doPaint(
          Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) {
        g.setColor(Color.BLACK);
        g.fillRect(0, 0, width, height);
      }
      @Override protected final PaintContext getPaintContext() {
        return null;
      }
    };
    d.put("Tree:TreeCell[Enabled+Selected].backgroundPainter", rp);
    d.put("Tree:TreeCell[Focused+Selected].backgroundPainter", rp);

    JTree tree = new JTree();
    tree.putClientProperty("Nimbus.Overrides", d);
    tree.putClientProperty("Nimbus.Overrides.InheritDefaults", true);

    JPanel p = new JPanel(new GridLayout(1, 2, 2, 2));
    p.add(new JScrollPane(new JTree()));
    p.add(new JScrollPane(tree));
    return p;
  }
  public static void createAndShowGUI() {
    try {
      for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
        if ("Nimbus".equals(laf.getName())) {
          UIManager.setLookAndFeel(laf.getClassName());
        }
      }
    } catch (ClassNotFoundException | InstantiationException
           | IllegalAccessException | UnsupportedLookAndFeelException ex) {
      ex.printStackTrace();
    }
    JFrame f = new JFrame();
    f.getContentPane().add(new TreeCellBackgroundPainterTest().makeUI());
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    f.setSize(320, 240);
    f.setLocationRelativeTo(null);
    f.setVisible(true);
  }
  public static void main(String... args) {
    EventQueue.invokeLater(new Runnable() {
      @Override public void run() {
        createAndShowGUI();
      }
    });
  }
}