Swing的JTable加入按钮

淩亂°似流年 2022-07-26 05:20 241阅读 0赞

package swing;
    
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import javax.swing.table.*;
    
    public class table {
    	
    	JTable table = null;
    	JButton viewButton2 = new JButton("hhh");
    	
    	
    	JButton editButton2 = new JButton("www");
    	DefaultTableModel model = null;
    	
    	
    	public JComponent makeUI() {
    		String[] columnNames = { "String", "Button" }; // When I increase the
    														// number of columns it
    														// hides another button
    		Object[][] data = { { "AAA", null }, { "BBB", null } };
    		model = new DefaultTableModel(data, columnNames) {
    			
    		};
    		table = new JTable(model);
    		table.setRowHeight(36);
    		ActionPanelEditorRenderer er = new ActionPanelEditorRenderer();
    		TableColumn column = table.getColumnModel().getColumn(1);
    		column.setCellRenderer(er);
    		column.setCellEditor(er);
    		
    		JPanel p = new JPanel(new BorderLayout());
    		p.add(new JScrollPane(table));
    		p.setPreferredSize(new Dimension(320, 200));
    		return p;
    	}
    
    	public static void main(String[] args) {
    		EventQueue.invokeLater(new Runnable() {
    			@Override
    			public void run() {
    				createAndShowGUI();
    			}
    		});
    	}
    
    	public static void createAndShowGUI() {
    		JFrame f = new JFrame();
    		f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    		f.getContentPane().add(new table().makeUI());
    		f.pack();
    		f.setLocationRelativeTo(null);
    		f.setVisible(true);
    	}
    
    	
    	
    	class ActionPanelEditorRenderer extends AbstractCellEditor implements TableCellRenderer, TableCellEditor {
    		JPanel panel1 = new JPanel();
    		JPanel panel2 = new JPanel();
    
    		public ActionPanelEditorRenderer() {
    			super();
    //			JButton viewButton2 = new JButton(new AbstractAction("yy") {
    //				
    //				public void actionPerformed(ActionEvent e) {
    //					JOptionPane.showMessageDialog(null, "Viewing");
    //				}
    //			});
    //			JButton editButton2 = new JButton(new AbstractAction("edit2") {
    //				;
    //				public void actionPerformed(ActionEvent e) {
    //					JOptionPane.showMessageDialog(null, "Editing");
    //				}
    //			});
    			//panel1.setOpaque(true);
    
    			//panel2.setOpaque(true);
    			
    			
    			panel2.add(viewButton2);
    			panel2.add(editButton2);
    			viewButton2.setBackground(Color.red);
    			
    			viewButton2.addActionListener(new ActionListener() {
    				
    				@Override
    				public void actionPerformed(ActionEvent arg0) {
    					// TODO Auto-generated method stub
    					
    					int i = table.getSelectedRow();
    					String s = (String)model.getValueAt(i, 0);
    					
    					JOptionPane.showMessageDialog(null, s);
    				}
    			});
    		}
    
    		@Override
    		public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
    				int row, int column) {
    			panel2.setBackground(isSelected ? table.getSelectionBackground() : table.getBackground());
    			panel2.setBackground(isSelected ? table.getSelectionBackground() : table.getBackground());
    			
    			
    			
    		//	panel2.setBackground(table.getBackground());
    			return panel2;
    		}
    
    		@Override
    		public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
    			panel2.setBackground(table.getSelectionBackground());
    			return panel2;
    		}
    
    		@Override
    		public Object getCellEditorValue() {
    			return null;
    		}
    	}
    }

查看接口 TableCellRenderer  
和类 DefaultTableCellRenderer  
  
和 JTable 中的方法  
setDefaultRenderer(Class<?> columnClass, TableCellRenderer renderer)   
getColumn(Object identifier).setCellRenderer(TableCellRenderer cellRenderer)