Jtable加入jpanel

痛定思痛。 2022-07-30 14:25 210阅读 0赞

代码一：

package bt;
    
    import java.awt.*;
    import java.awt.event.*;
    import java.util.EventObject;
    import javax.swing.*;
    import javax.swing.table.*;
    
    public class bt1 {
    
        private JFrame frame;
        private JTable CompTable = null;
        private PanelTableModel CompModel = null;
        private JButton addButton = null;
    
        public static void main(String args[]) {
            try {
                UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
                //UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            } catch (Exception fail) {
            }
            SwingUtilities.invokeLater(new Runnable() {
    
                @Override
                public void run() {
                    new bt1().makeUI();
                }
            });
        }
    
        public void makeUI() {
            CompTable = CreateCompTable();
            JScrollPane CompTableScrollpane = new JScrollPane(CompTable, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                    JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
            JPanel bottomPanel = CreateBottomPanel();
            frame = new JFrame("Comp Table Test");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.add(CompTableScrollpane, BorderLayout.CENTER);
            frame.add(bottomPanel, BorderLayout.SOUTH);
            frame.setPreferredSize(new Dimension(800, 400));
            frame.setLocation(150, 150);
            frame.pack();
            frame.setVisible(true);
        }
    
        public JTable CreateCompTable() {
            CompModel = new PanelTableModel();
            CompModel.addRow();
            JTable table = new JTable(CompModel);
            table.setRowHeight(new CompCellPanel().getPreferredSize().height);
            table.setTableHeader(null);
            PanelCellEditorRenderer PanelCellEditorRenderer = new PanelCellEditorRenderer();
            table.setDefaultRenderer(Object.class, PanelCellEditorRenderer);
            table.setDefaultEditor(Object.class, PanelCellEditorRenderer);
            return table;
        }
    
        public JPanel CreateBottomPanel() {
            addButton = new JButton("Add Comp");
            addButton.addActionListener(new ActionListener() {
    
                @Override
                public void actionPerformed(ActionEvent ae) {
                    Object source = ae.getSource();
                    if (source == addButton) {
                        CompModel.addRow();
                    }
                }
            });
            JPanel panel = new JPanel(new GridBagLayout());
            panel.add(addButton);
            return panel;
        }
    }
    
    class PanelCellEditorRenderer extends AbstractCellEditor implements TableCellRenderer, TableCellEditor {
    
        private static final long serialVersionUID = 1L;
        private CompCellPanel renderer = new CompCellPanel();
        private CompCellPanel editor = new CompCellPanel();
    
        @Override
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
            renderer.setComp((Comp) value);
            return renderer;
        }
    
        @Override
        public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
            editor.setComp((Comp) value);
            return editor;
        }
    
        @Override
        public Object getCellEditorValue() {
            return editor.getComp();
        }
    
        @Override
        public boolean isCellEditable(EventObject anEvent) {
            return true;
        }
    
        @Override
        public boolean shouldSelectCell(EventObject anEvent) {
            return false;
        }
    }
    
    class PanelTableModel extends DefaultTableModel {
    
        private static final long serialVersionUID = 1L;
    
        @Override
        public int getColumnCount() {
            return 1;
        }
    
        public void addRow() {
            super.addRow(new Object[]{new Comp(0, 0, "", "")});
        }
    }
    
    class Comp {
    
        public int type;
        public int relation;
        public String lower;
        public String upper;
    
        public Comp(int type, int relation, String lower, String upper) {
            this.type = type;
            this.relation = relation;
            this.lower = lower;
            this.upper = upper;
        }
    }
    
    class CompCellPanel extends JPanel {
    
        private static final long serialVersionUID = 1L;
        private JLabel labelWith = new JLabel("With ");
        private JComboBox typeCombo = new JComboBox(new Object[]{"height", "length", "volume"});
        private JComboBox relationCombo = new JComboBox(new Object[]{"above", "below", "between"});
        private JTextField lowerField = new JTextField();
        private JLabel labelAnd = new JLabel(" and ");
        private JTextField upperField = new JTextField();
        private JButton removeButton = new JButton("remove");
    
        CompCellPanel() {
            setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
            relationCombo.addActionListener(new ActionListener() {
    
                @Override
                public void actionPerformed(ActionEvent e) {
                    enableUpper(relationCombo.getSelectedIndex() == 2);
                }
            });
            enableUpper(false);
            removeButton.addActionListener(new ActionListener() {
    
                @Override
                public void actionPerformed(ActionEvent e) {
                    JTable table = (JTable) SwingUtilities.getAncestorOfClass(JTable.class, (Component) e.getSource());
                    int row = table.getEditingRow();
                    table.getCellEditor().stopCellEditing();
                    ((DefaultTableModel) table.getModel()).removeRow(row);
                }
            });
            add(labelWith);
            add(typeCombo);
            add(relationCombo);
            add(lowerField);
            add(labelAnd);
            add(upperField);
            add(Box.createHorizontalStrut(100));
            add(removeButton);
        }
    
        private void enableUpper(boolean enable) {
            labelAnd.setEnabled(enable);
            upperField.setEnabled(enable);
        }
    
        public void setComp(Comp Comp) {
            typeCombo.setSelectedIndex(Comp.type);
            relationCombo.setSelectedIndex(Comp.relation);
            lowerField.setText(Comp.lower);
            upperField.setText(Comp.upper);
            enableUpper(Comp.relation == 2);
        }
    
        public Comp getComp() {
            return new Comp(typeCombo.getSelectedIndex(), relationCombo.getSelectedIndex(), lowerField.getText(), upperField.getText());
        }
    }

代码二：

import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import javax.swing.table.*;
    
    public class JButtonTableExample extends JFrame {
    
    	public JButtonTableExample() {
    		super("JButtonTable Example");
    
    		DefaultTableModel dm = new DefaultTableModel();
    		dm.setDataVector(new Object[][] { { "1" }, { "2" } }, new Object[] { "Buttons" });
    
    		JTable table = new JTable(dm);
    		table.getColumn("Buttons").setCellRenderer(new PanelRenderer());
    		table.getColumn("Buttons").setCellEditor(new PanelEditor(new JCheckBox()));
    		JScrollPane scroll = new JScrollPane(table);
    		table.setRowHeight(30);
    		getContentPane().add(scroll);
    		setSize(400, 150);
    		setVisible(true);
    	}
    
    	public static void main(String[] args) {
    		JButtonTableExample frame = new JButtonTableExample();
    		frame.addWindowListener(new WindowAdapter() {
    			public void windowClosing(WindowEvent e) {
    				System.exit(0);
    			}
    		});
    	}
    
    	class PanelRenderer extends JPanel implements TableCellRenderer {
    
    		public PanelRenderer() {
    			setOpaque(true);
    			init();
    		}
    
    		private void init() {
    			setLayout(new FlowLayout(FlowLayout.CENTER, 5, 0));
    			add(new JButton("A"));
    			add(new JButton("B"));
    		}
    
    		public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
    				int row, int column) {
    			if (isSelected) {
    				setForeground(table.getSelectionForeground());
    				setBackground(table.getSelectionBackground());
    			} else {
    				setForeground(table.getForeground());
    				setBackground(UIManager.getColor("Button.background"));
    			}
    			return this;
    		}
    	}
    
    	class PanelEditor extends DefaultCellEditor {
    		protected JPanel panel;
    
    		protected JButton button1;
    
    		protected JButton button2;
    
    		public PanelEditor(JCheckBox checkBox) {
    			super(checkBox);
    			panel = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 0));
    			button1 = new JButton("1");
    			button1.setOpaque(true);
    			button1.setActionCommand("Action1");
    			button1.addActionListener(new ActionListener() {
    				public void actionPerformed(ActionEvent e) {
    					JOptionPane.showMessageDialog(button1, button1.getText() + ": Ouch!");
    					fireEditingStopped();
    				}
    			});
    			button2 = new JButton("2");
    			button2.setOpaque(true);
    			button2.addActionListener(new ActionListener() {
    				public void actionPerformed(ActionEvent e) {
    					JOptionPane.showMessageDialog(button2, button2.getText() + ": Ouch!");
    					fireEditingStopped();
    				}
    			});
    			panel.add(button1);
    			panel.add(button2);
    		}
    
    		public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row,
    				int column) {
    			if (isSelected) {
    				button1.setForeground(table.getSelectionForeground());
    				button1.setBackground(table.getSelectionBackground());
    			} else {
    				button1.setForeground(table.getForeground());
    				button1.setBackground(table.getBackground());
    			}
    			return panel;
    		}
    	}
    }