我在受限制的空间(JTable
中有JLabel,并且标签内的文本太长时,它会被截断。是否可以通过仅水平挤压使文本适合分配的空间?
请参见这些示例中的上方Jlabel:
文本是HTML格式的,所以我不能自己在自定义的JPanel组件上拉线。没有图标。
由于我在输入问题时已经解决了该问题,因此根据meta,我将分享答案。
答案 0 :(得分:1)
我将其设置为JLabel的UI:
它将文本渲染为屏幕外图像,然后将图像调整为JLabel的比例。
[编辑]不适用于透明标签或带有空HTML文本的标签。
// Copied and modified from BasicLabelUI
private static class SquishLabelUI extends BasicLabelUI {
private final Rectangle paintIconR = new Rectangle();
private final Rectangle paintTextR = new Rectangle();
private String layout(JLabel label, FontMetrics fm, int width, int height) {
Insets insets = label.getInsets(null);
String text = label.getText();
Rectangle paintViewR = new Rectangle(insets.left,
insets.top,
width - (insets.left + insets.right),
height - (insets.top + insets.bottom));
paintIconR.setBounds(0, 0, 0, 0);
paintTextR.setBounds(0, 0, 0, 0);
return layoutCL(label, fm, text, null, paintViewR, paintIconR, paintTextR);
}
@Override
public void paint(Graphics g, JComponent c) {
JLabel label = (JLabel)c;
layout(label, SwingUtilities2.getFontMetrics(label, g), c.getWidth(), c.getHeight());
View v = (View)c.getClientProperty(BasicHTML.propertyKey);
Dimension size = getPreferredSize(label);
BufferedImage img = label.getGraphicsConfiguration()
.createCompatibleImage(size.width, size.height, TRANSLUCENT);
Graphics2D g2 = img.createGraphics();
try {
g2.setColor(label.getBackground());
g2.setClip(0, 0, size.width, size.height);
g2.fillRect(0, 0, size.width, size.height);
v.paint(g2, new Rectangle(0, 0, size.width, size.height));
int renderWidth = Math.min(size.width, paintTextR.width);
Image img2 = img.getScaledInstance(renderWidth, paintTextR.height, Image.SCALE_SMOOTH);
g.drawImage(img2, paintTextR.x, paintTextR.y, null);
} finally {
g2.dispose();
}
}
}