[英]Java add JLayeredPane in a table cell?
是否可以在JTable
添加JLayeredPane()
?
我試過了:
JLayeredPane agentPicturePane = new JLayeredPane();
String agentPicture = "http://www.domain.com/uploads/thumb_23.jpg";
try {
final BufferedImage image = resize(new URL(agentPicture), new Dimension(60, 60));
jLabel1.setIcon(new javax.swing.ImageIcon(image));
} catch (Exception ex) {
}
jLabel6.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/imageBg.png")));
jLabel1.setBounds(13, 13, 60, 60);
jLabel6.setBounds(0, 0, 86, 86);
agentPicturePane.setPreferredSize(new Dimension(86, 86));
agentPicturePane.add(jLabel6, new Integer(50));
agentPicturePane.add(jLabel1, new Integer(100));
visitorModel.addRow(new Object[] {
agentPicturePane, visitorName, visitorClose
});
使用模型:
visitorModel = new DefaultTableModel(productss, colNamee) {
@Override
public boolean isCellEditable(int row, int column) {
//all cells false
return false;
}
public Class getColumnClass(int column) {
// return getValueAt(0, column).getClass();
return (column == 0 || column == 2) ? Icon.class : Object.class;
}
};
有什么想法可以做到這一點?
你混淆了你的責任范圍。 TableModel
僅假設攜帶數據。 由視圖決定如何呈現數據。
如果您需要提供某種自定義渲染,那么您需要提供TableCellRenderer
此示例使用復合JLabel
和EmptyBorder
來提供疊加功能。
所以使用下面的兩張圖片......
我能夠生產......
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
public class LayeredCellRenderer {
public static void main(String[] args) {
new LayeredCellRenderer();
}
public LayeredCellRenderer() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
}
BufferedImage pic = ImageIO.read(new File("Photo01.jpg"));
DefaultTableModel model = new DefaultTableModel(
new Object[][]{{pic, "Sophia", ""}},
new Object[]{"Picture", "Name", "Close"});
JTable table = new JTable(model);
table.setRowHeight(86);
table.getColumnModel().getColumn(0).setCellRenderer(new SecutiryBadgeTableCellRenderer());
JFrame frame = new JFrame("Testing");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new JScrollPane(table));
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
} catch (IOException ex) {
ex.printStackTrace();
}
}
});
}
public static class SecutiryBadgeTableCellRenderer extends DefaultTableCellRenderer {
protected static BufferedImage background;
private JLabel subImage;
public SecutiryBadgeTableCellRenderer() {
try {
background = ImageIO.read(new File("Background.jpg"));
setIcon(new ImageIcon(background));
setLayout(new GridBagLayout());
subImage = new JLabel();
subImage.setHorizontalAlignment(JLabel.LEFT);
subImage.setVerticalAlignment(JLabel.TOP);
subImage.setBorder(new EmptyBorder(30, 10, 0, 0));
add(subImage);
} catch (IOException ex) {
ex.printStackTrace();
}
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
super.getTableCellRendererComponent(table, null, isSelected, hasFocus, row, column);
if (value instanceof Image) {
Image img = (Image) value;
subImage.setIcon(new ImageIcon((Image) value));
subImage.setSize(subImage.getPreferredSize());
} else {
subImage.setIcon(null);
}
return this;
}
}
}
有關更多詳細信息,請參閱使用自定義渲染器
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