JTable 재정의 예제

package com.oraclejava.exam3;

import javax.swing.JComponent;

import javax.swing.JTable;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableCellEditor;

import javax.swing.table.TableCellRenderer;

public class MyTable extends JTable {

public MyTable(DefaultTableModel tm) {

super(tm);

}

MyTableCellRender render1 = new MyTableCellRender(); // 

MyTableCellRender2 render2 = new MyTableCellRender2(); // 이미지등

MyTableCellEditor editor1 = new MyTableCellEditor();

@Override

public TableCellEditor getCellEditor(int row, int column) {

// TODO Auto-generated method stub

//return super.getCellEditor(row, column);

TableCellEditor editor;

Object obj = this.getValueAt(row, column);

if(obj instanceof JComponent) {

editor = editor1;

}

else {

editor = super.getCellEditor(row, column);

}

return editor;

}

@Override

public TableCellRenderer getCellRenderer(int row, int column) {

// TODO Auto-generated method stub

//return super.getCellRenderer(row, column);

TableCellRenderer render;

Object obj = this.getValueAt(row, column);

if(obj instanceof JComponent) {

render = render2;

}

else {

render = render1;

}

return render;

}

}

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package com.oraclejava.exam3;

import java.awt.Color;

import java.awt.Component;

import javax.swing.JTable;

import javax.swing.table.DefaultTableCellRenderer;

import javax.swing.table.TableCellRenderer;

public class MyTableCellRender extends DefaultTableCellRenderer {

@Override

public Component getTableCellRendererComponent(

JTable table, Object value, boolean isSelected, boolean hasFocus,

int row, int column) {

// TODO Auto-generated method stub

super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);

System.out.println(

"row:"+row+",column:"+column+",column:"+column+

",selected:"+isSelected+",focused:"+hasFocus+

",value:"+value

);

// 선택한행을 red로

if(isSelected) {

this.setBackground(Color.RED);

}

else

{

this.setBackground(table.getBackground());

}

// 포커스 맞춘 셀은 노란색으로 변경

if(hasFocus) {

this.setBackground(Color.YELLOW);

}

// (1,1)셀은 파랑으로 변경

if(row==1 && column==1) {

this.setBackground(Color.BLUE);

}

return this;

}

}

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package com.oraclejava.exam3;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import javax.swing.JComponent;

import javax.swing.JTable;

import javax.swing.table.DefaultTableCellRenderer;

import javax.swing.table.TableCellRenderer;

public class MyTableCellRender2 extends DefaultTableCellRenderer {

//행높이

private int rowHeight = 0;

@Override

public Component getTableCellRendererComponent(

JTable table, Object value, boolean isSelected, boolean hasFocus,

int row, int column) {

// TODO Auto-generated method stub

super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);

JComponent comp = (JComponent)value;

//가장 긴 컴포넌트의 맞춰 행의 높이를 조절

Dimension dimension = comp.getPreferredSize();

if(rowHeight < dimension.getHeight()) {

rowHeight = dimension.height;

table.setRowHeight(rowHeight);

}

return comp;

}

}

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package com.oraclejava.exam3;

import java.awt.Component;

import javax.swing.AbstractCellEditor;

import javax.swing.JComponent;

import javax.swing.JTable;

import javax.swing.table.TableCellEditor;

public class MyTableCellEditor extends AbstractCellEditor 

implements TableCellEditor {

protected JComponent comp = null;

@Override

public Object getCellEditorValue() {

// TODO Auto-generated method stub

return comp;

}

@Override

public Component getTableCellEditorComponent(JTable table, Object value, boolean arg2, int arg3, int arg4) {

// TODO Auto-generated method stub

comp = (JComponent)value;

return comp;

}

}

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package com.oraclejava.exam3;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.text.SimpleDateFormat;

import java.util.Date;

import javax.swing.ImageIcon;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.table.DefaultTableCellRenderer;

import javax.swing.table.DefaultTableModel;

public class JaFrm8 extends JFrame {

private static final String[] HEADER = { "이름", "생년월일", "성별" };

public JaFrm8(String sTitle) {

setTitle(sTitle);

setBounds(10,10,370,800);

DefaultTableModel tm = new DefaultTableModel(HEADER, 0/*row count*/);

MyTable jTable = new MyTable(tm);

JScrollPane jScrollPane = new JScrollPane(jTable);

jScrollPane.setPreferredSize(new Dimension(350, 700));

JPanel jPanel = new JPanel();

jPanel.add(jScrollPane);

add(jPanel, BorderLayout.CENTER);

Object[][] data = {

{"홍길순", "19520202", "Female",},

{"홍길동", "19530124", "male", },

{"홍길찬", "19620226", "male", },

{"홍길영", "19541205", "Female", },

{"홍길선", "19651152", "Female", },

};

// 행추가

for(int i=0; i<data.length; i++) {

tm.addRow(data[i]);

}

// 열추가

tm.addColumn("사진");

ImageIcon ico = new ImageIcon("moon.jpg");

JLabel label = new JLabel(ico);

tm.setValueAt(label, 0, 3);

setDefaultCloseOperation(EXIT_ON_CLOSE);

setVisible(true); // 마지막에

}

public static void main(String[] args) {

// TODO Auto-generated method stub

JaFrm8 frm = new JaFrm8("JTable");

}

}