您可以从下面的图片中看到,Java文本是水平的。我想做的是获得JTabbedPane标题的垂直方向。
在谷歌搜索时,我发现唯一的方法是添加额外的库。但是我想知道是否可以在没有任何额外库的情况下完成此操作?
我希望Title1和Title2垂直放置而不是水平放置
您还必须使用HTML语法,也必须对禁用的Tab进行任何更改
tabbedPane.addTab("<html>T<br>i<br>t<br>t<br>l<br>e<br>1</html>", panel1);
编辑
SSCCE有关HTML文本格式和对齐方式的问题
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
/**
*
* @author korbel
*/
public class TestTabbedPane extends JFrame {
private static final long serialVersionUID = 1L;
private JTabbedPane tabbedPane;
public TestTabbedPane() {
tabbedPane = new JTabbedPane();
tabbedPane.setPreferredSize(new Dimension(300, 200));
getContentPane().add(tabbedPane);
JPanel panel = new JPanel();
tabbedPane.add(panel, "null");
JTextField one = new JTextField("one");
tabbedPane.add(one, "one");
JTextField two = new JTextField("two");
tabbedPane.add(two, "<html> T<br>i<br>t<br>t<br>l<br>e <br> 1 </html>");
tabbedPane.setEnabledAt(2, false);
/*int comp = tabbedPane.getComponentCount();
for (Component sc : tabbedPane.getComponents()) {
if (sc instanceof javax.swing.JLabel) {
JLabel lbl = (JLabel) sc;
lbl.setForeground(Color.red);
}
if (sc instanceof javax.swing.JPanel) {
JPanel pnl = (JPanel) sc;
pnl.setName(pnl.getName());
}
if (sc instanceof javax.swing.JTextField) {
JTextField txt = (JTextField) sc;
txt.setForeground(Color.blue);
txt.setDisabledTextColor(Color.red);
}
}
UIManager.put("TabbedPane.contentBorderInsets", new Insets(0, 0, 0, 0));
UIManager.put("TabbedPane.highlight", new Color(255, 0, 0));
UIManager.put("TabbedPane.lightHighlight", new Color(0, 255, 0));
UIManager.put("TabbedPane.darkShadow", new Color(0, 255, 0));
UIManager.put("TabbedPane.shadow",new Color(0, 0, 255));
UIManager.put("TabbedPane.light" , new Color(0, 255, 0));
UIManager.put("TabbedPane.foreground", new Color(0, 0, 0));
UIManager.put("JTabbedPane.font", new Font("Dialog", Font.ITALIC, 12));
UIManager.put("TabbedPane.selected", new Color(255, 0, 0));
UIManager.put("disable", new Color(255, 0, 0));
UIManager.put("TabbedPane.selectHighlight" , new Color(0, 0, 0));
UIManager.put("TabbedPane.background", new Color(0, 0, 0));
SwingUtilities.updateComponentTreeUI(tabbedPane);*/
tabbedPane.setTitleAt(2, "<html><font color="
+ (tabbedPane.isEnabledAt(2) ? "black" : "red") + ">"
+ tabbedPane.getTitleAt(2) + "</font></html>");
tabbedPane.setTabPlacement(JTabbedPane.LEFT);
}
public static void main(String args[]) {
TestTabbedPane frame = new TestTabbedPane();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
}
您可以将JLabel
与自定义LabelUI
一起使用,如this answer中所述,它会产生我期望的结果:
JTabbedPane tabPane = new JTabbedPane(JTabbedPane.LEFT);
// Add tabs with no text
tabPane.addTab(null, component1);
tabPane.addTab(null, component2);
// Create vertical labels to render tab titles
JLabel labTab1 = new JLabel("Tab #1");
labTab1.setUI(new VerticalLabelUI(false)); // true/false to make it upwards/downwards
tabPane.setTabComponentAt(0, labTab1); // For component1
JLabel labTab2 = new JLabel("Tab #2");
labTab2.setUI(new VerticalLabelUI(false));
tabPane.setTabComponentAt(1, labTab2); // For component2
如果使用WebLaf LoolAndFeel
库,则有一个名为WebVerticalLabel
的组件,可以带有垂直文本。
JTabbedPane .setTabComponentAt(1, new WebVerticalLabel("Title1"));