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JTable中设置多个按钮，并且启用/禁用相应按钮

2013-03-31 15:08 351 查看

这个是转载：http://zhangjuan2000.iteye.com/blog/787556，感谢zhangjuan2000。

在网上找了好久才找到这个代码，写的非常不错，帮了我很大的忙。

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Vector;

import javax.swing.DefaultCellEditor;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.ListSelectionModel;

import javax.swing.UIManager;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableCellRenderer;

public class SearchPanel extends JFrame {

private DefaultTableModel tableModel;

private JTable table;

private final int columnWithoutButton = 5;

private Boolean[] enableBooleans = { true, false, false, true }; //记录button的启用/禁用状态

public SearchPanel() {

setLayout(new BorderLayout());

setBounds(10,10,800,600);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.setBackground(Color.white);

final JPanel panel = new JPanel();

panel.setLayout(new BorderLayout());

add(panel);

final JScrollPane scrollPane = new JScrollPane();

scrollPane.setAutoscrolls(true);

panel.add(scrollPane);

tableModel = new DefaultTableModel() {

// 设置列能否编辑

@Override

public boolean isCellEditable(int row, int column) {

if (column == 5 || column == 6 || column == 7 || column == 8)

return true;

return false;

}

};

String headName[] = { "Column1", "Column2", "Column3", "Column4",

"Column5", "Column6", "Column7", "Column8", "Column9" };

tableModel.setColumnIdentifiers(headName);

table = new JTable(tableModel);

table.getColumn("Column6").setCellRenderer(new ButtonRenderer());

table.getColumn("Column6").setCellEditor(

new ButtonEditor(new JCheckBox()));

table.getColumn("Column7").setCellRenderer(new ButtonRenderer());

table.getColumn("Column7").setCellEditor(

new ButtonEditor(new JCheckBox()));

table.getColumn("Column8").setCellRenderer(new ButtonRenderer());

table.getColumn("Column8").setCellEditor(

new ButtonEditor(new JCheckBox()));

table.getColumn("Column9").setCellRenderer(new ButtonRenderer());

table.getColumn("Column9").setCellEditor(

new ButtonEditor(new JCheckBox()));

table.setShowGrid(true);

// 设置列标题不能移动

table.getTableHeader().setReorderingAllowed(false);

table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

scrollPane.setViewportView(table);

// 设置列宽,并且当调整Panel时列宽也能相应的变化

table.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);

// table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); //若设置它，列宽永远固定

table.getColumnModel().getColumn(0).setPreferredWidth(30);

table.getColumnModel().getColumn(1).setPreferredWidth(100);

table.getColumnModel().getColumn(2).setPreferredWidth(40);

table.getColumnModel().getColumn(3).setPreferredWidth(40);

table.getColumnModel().getColumn(4).setPreferredWidth(100);

table.getColumnModel().getColumn(5).setPreferredWidth(55);

table.getColumnModel().getColumn(6).setPreferredWidth(70);

table.getColumnModel().getColumn(7).setPreferredWidth(70);

// 设置行高

table.setRowHeight(20);

setVisible(true);

InitValue();

}

private void InitValue() {

for(int i=0;i<5;i++){

Vector vector=new Vector();

vector.addElement("1");

vector.addElement("Open Close Msg");

vector.addElement("do");

vector.addElement("2");

vector.addElement("2010-10-18 00:00:00");

vector.addElement("Send");

vector.addElement("Request");

vector.addElement("Ack");

vector.addElement("Emergency");

tableModel.getDataVector().add(vector);

}

}

public class ButtonRenderer extends JButton implements TableCellRenderer {

public ButtonRenderer() {

setOpaque(true);

}

@Override

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"));

}

setText((value == null) ? "" : value.toString());

// 情况一：启用/禁用按钮

setEnabled(enableBooleans[column - columnWithoutButton]);

// 情况二：禁用按钮时，不显示按钮，显示空白

// if(enableBooleans[column] - columnWithoutButton)

// setEnabled(setEnabled(enableBooleans[column-columnWithoutButton]);

// else

// return null;

return this;

}

}

public class ButtonEditor extends DefaultCellEditor {

protected JButton button;

public ButtonEditor(JCheckBox checkBox) {

super(checkBox);

button = new JButton();

button.setOpaque(true);

button.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent arg0) {

ButtonClick();

}

});

}

@Override

public Component getTableCellEditorComponent(JTable table1,

Object value, boolean isSelected, int row, int column) {

if (isSelected) {

button.setForeground(table.getSelectionForeground());

button.setBackground(table.getSelectionBackground());

} else {

button.setForeground(table.getForeground());

button.setBackground(table.getBackground());

}

button.setText(table1.getValueAt(row, column).toString());

// 情况一：启用/禁用按钮

button.setEnabled(enableBooleans[column - columnWithoutButton]);

// 情况二：禁用按钮时，不显示按钮，显示空白

// if(enableBooleans[column] - columnWithoutButton)

// button.setEnabled(setEnabled(enableBooleans[column-columnWithoutButton]);

// else

// return null;

return button;

}

//若缺少此方法，点击按钮后将获取不到Button的Text值，将会显示false.

@Override

public Object getCellEditorValue(){

return button.getText();

}

protected void ButtonClick() {

// TODO Auto-generated method stub

System.out.println(table.getSelectedColumn() + " and "

+ table.getSelectedRow());

}

}

public static void main(String args[]) {

try {

new SearchPanel();

} catch (Exception e) {

e.printStackTrace();

}

}

}

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