Java 使用自定义TableModel,在单击按钮时使特定行的isCellEditable为true
我有一张像上面这样的桌子。最初,除按钮列以外的所有单元格都不可编辑。我已经使用自定义Java 使用自定义TableModel,在单击按钮时使特定行的isCellEditable为true,java,swing,jtable,jbutton,abstracttablemodel,Java,Swing,Jtable,Jbutton,Abstracttablemodel,我有一张像上面这样的桌子。最初,除按钮列以外的所有单元格都不可编辑。我已经使用自定义表格模型创建了表格。自定义TableModel中我的isCellEditable如下所示: public boolean isCellEditable(int rowIndex, int columnIndex) { //System.out.println("isCellEditable: " + rowIndex + " " + columnIndex);
表格模型创建了表格。自定义TableModel
中我的isCellEditable
如下所示:
public boolean isCellEditable(int rowIndex, int columnIndex) {
//System.out.println("isCellEditable: " + rowIndex + " " + columnIndex);
if(getColumnClass(columnIndex) == JButton.class)
return true;
else
return false;
}
但是当我点击每一行的编辑按钮时,JDialog
将弹出该行(通过在此对话框中仅用一行构建一个JTable
),我可以更新此JDialog表中的单元格值。然后在该行的相应单元格中更新它们
仅当我的isCellEditable
返回true时,我在此处更新后成功更新了主表的行。但这不应该发生。只有单击后,我才能将行的isCellEditable
更改为可编辑并更新,然后使其不可编辑
我看到了以下内容,但无法实现它。XxxTableModel
将JButton的class
存储为呈现程序
/编辑器
存储为JTable
对于您的代码(基于)也是如此
编辑
DefaultTableModel
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
public class TableButton3 extends JFrame {
private static final long serialVersionUID = 1L;
private JTable table;
public TableButton3() {
String[] columnNames = {"Date", "String", "Decimal", "Remove"};
Object[][] data = {
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},
{new Date(), "C", new Double(7.3), "Remove"}, {new Date(), "D", new Double(8.4), "Remove"},
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},};
DefaultTableModel model = new DefaultTableModel(data, columnNames){
private static final long serialVersionUID = 1L;
@Override// Returning the Class of each column will allow different renderers to be used based on Class
public Class getColumnClass(int column) {
switch (column) {
case 0:
return Date.class;
case 2:
return Double.class;
default:
return String.class;
}
//return getValueAt(0, column).getClass();
}
};
table = new JTable(model) ;
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane = new JScrollPane(table);
getContentPane().add(scrollPane);
ButtonColumn buttonColumn = new ButtonColumn(table, delete, 3);
buttonColumn.setMnemonic(KeyEvent.VK_D);
}
public static void main(String[] args) {
TableButton3 frame = new TableButton3();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
//
private Action delete = new AbstractAction() {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
JTable table = (JTable) e.getSource();
int modelRow = Integer.valueOf(e.getActionCommand());
((DefaultTableModel) table.getModel()).removeRow(modelRow);
table.clearSelection();
}
};
}
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
public class TableButton3 extends JFrame {
private static final long serialVersionUID = 1L;
private JTable table;
private MyTableModel myModel = new MyTableModel();
public TableButton3() {
String[] columnNames = {"Date", "String", "Decimal", "Remove"};
Object[][] data = {
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},
{new Date(), "C", new Double(7.3), "Remove"}, {new Date(), "D", new Double(8.4), "Remove"},
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},};
DefaultTableModel model = new DefaultTableModel(data, columnNames){
private static final long serialVersionUID = 1L;
@Override// Returning the Class of each column will allow different renderers to be used based on Class
public Class getColumnClass(int column) {
switch (column) {
case 0:
return Date.class;
case 2:
return Double.class;
default:
return String.class;
}
//return getValueAt(0, column).getClass();
}
};
table = new JTable(model);
table = new JTable(myModel);
addTableDatas();
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane);
ButtonColumn buttonColumn = new ButtonColumn(table, delete, 3);
buttonColumn.setMnemonic(KeyEvent.VK_D);
}
public static void main(String[] args) {
TableButton3 frame = new TableButton3();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
private void addTableDatas() {
Vector<String> columnNameS = new Vector<String>();
columnNameS.add("Date");
columnNameS.add("String");
columnNameS.add("Decimal");
columnNameS.add("Remove");
myModel.setColumnNames(columnNameS);
Vector<Object> row1 = new Vector<Object>();
row1.add(new Date());
row1.add("A");
row1.add(new Double(5.1));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(6.2));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(8.4));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(5.1));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(6.2));
row1.add("Remove");
myModel.addRow(row1);
}
private class MyTableModel extends AbstractTableModel {
private static final long serialVersionUID = 1L;
private Vector<Vector<Object>> data;
private Vector<String> colNames;
private boolean[] _columnsVisible = {true, true, true, true};
public MyTableModel() {
this.colNames = new Vector<String>();
this.data = new Vector<Vector<Object>>();
}
public MyTableModel(Vector<String> colnames) {
this.colNames = colnames;
this.data = new Vector<Vector<Object>>();
}
public void resetTable() {
this.colNames.removeAllElements();
this.data.removeAllElements();
}
public void setColumnNames(Vector<String> colNames) {
this.colNames = colNames;
this.fireTableStructureChanged();
}
public void addRow(Vector<Object> data) {
this.data.add(data);
this.fireTableRowsInserted(data.size() - 1, data.size() - 1);
}
public void removeRowAt(int row) {
this.data.removeElementAt(row);
this.fireTableRowsDeleted(row - 1, data.size() - 1);
}
@Override
public int getColumnCount() {
return this.colNames.size();
}
@Override
public Class<?> getColumnClass(int colNum) {
switch (colNum) {
case 0:
return Date.class;
case 2:
return Double.class;
default:
return String.class;
}
}
@Override
public boolean isCellEditable(int row, int colNum) {
switch (colNum) {
default:
return true;
}
}
@Override
public String getColumnName(int colNum) {
return this.colNames.get(colNum);
}
@Override
public int getRowCount() {
return this.data.size();
}
@Override
public Object getValueAt(int row, int col) {
Vector<Object> value = this.data.get(row);
return value.get(col);
}
@Override
public void setValueAt(Object newVal, int row, int col) {
Vector<Object> aRow = data.elementAt(row);
aRow.remove(col);
aRow.insertElementAt(newVal, col);
fireTableCellUpdated(row, col);
}
public void setColumnVisible(int index, boolean visible) {
this._columnsVisible[index] = visible;
this.fireTableStructureChanged();
}
}
//
private Action delete = new AbstractAction() {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
JTable table = (JTable) e.getSource();
int modelRow = Integer.valueOf(e.getActionCommand());
((DefaultTableModel) table.getModel()).removeRow(modelRow);
table.clearSelection();
}
};
}
抽象表模型
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
public class TableButton3 extends JFrame {
private static final long serialVersionUID = 1L;
private JTable table;
public TableButton3() {
String[] columnNames = {"Date", "String", "Decimal", "Remove"};
Object[][] data = {
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},
{new Date(), "C", new Double(7.3), "Remove"}, {new Date(), "D", new Double(8.4), "Remove"},
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},};
DefaultTableModel model = new DefaultTableModel(data, columnNames){
private static final long serialVersionUID = 1L;
@Override// Returning the Class of each column will allow different renderers to be used based on Class
public Class getColumnClass(int column) {
switch (column) {
case 0:
return Date.class;
case 2:
return Double.class;
default:
return String.class;
}
//return getValueAt(0, column).getClass();
}
};
table = new JTable(model) ;
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane = new JScrollPane(table);
getContentPane().add(scrollPane);
ButtonColumn buttonColumn = new ButtonColumn(table, delete, 3);
buttonColumn.setMnemonic(KeyEvent.VK_D);
}
public static void main(String[] args) {
TableButton3 frame = new TableButton3();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
//
private Action delete = new AbstractAction() {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
JTable table = (JTable) e.getSource();
int modelRow = Integer.valueOf(e.getActionCommand());
((DefaultTableModel) table.getModel()).removeRow(modelRow);
table.clearSelection();
}
};
}
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
public class TableButton3 extends JFrame {
private static final long serialVersionUID = 1L;
private JTable table;
private MyTableModel myModel = new MyTableModel();
public TableButton3() {
String[] columnNames = {"Date", "String", "Decimal", "Remove"};
Object[][] data = {
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},
{new Date(), "C", new Double(7.3), "Remove"}, {new Date(), "D", new Double(8.4), "Remove"},
{new Date(), "A", new Double(5.1), "Remove"}, {new Date(), "B", new Double(6.2), "Remove"},};
DefaultTableModel model = new DefaultTableModel(data, columnNames){
private static final long serialVersionUID = 1L;
@Override// Returning the Class of each column will allow different renderers to be used based on Class
public Class getColumnClass(int column) {
switch (column) {
case 0:
return Date.class;
case 2:
return Double.class;
default:
return String.class;
}
//return getValueAt(0, column).getClass();
}
};
table = new JTable(model);
table = new JTable(myModel);
addTableDatas();
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane);
ButtonColumn buttonColumn = new ButtonColumn(table, delete, 3);
buttonColumn.setMnemonic(KeyEvent.VK_D);
}
public static void main(String[] args) {
TableButton3 frame = new TableButton3();
frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
private void addTableDatas() {
Vector<String> columnNameS = new Vector<String>();
columnNameS.add("Date");
columnNameS.add("String");
columnNameS.add("Decimal");
columnNameS.add("Remove");
myModel.setColumnNames(columnNameS);
Vector<Object> row1 = new Vector<Object>();
row1.add(new Date());
row1.add("A");
row1.add(new Double(5.1));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(6.2));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(8.4));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(5.1));
row1.add("Remove");
myModel.addRow(row1);
row1 = new Vector<Object>();
row1.add(new Date());
row1.add("B");
row1.add(new Double(6.2));
row1.add("Remove");
myModel.addRow(row1);
}
private class MyTableModel extends AbstractTableModel {
private static final long serialVersionUID = 1L;
private Vector<Vector<Object>> data;
private Vector<String> colNames;
private boolean[] _columnsVisible = {true, true, true, true};
public MyTableModel() {
this.colNames = new Vector<String>();
this.data = new Vector<Vector<Object>>();
}
public MyTableModel(Vector<String> colnames) {
this.colNames = colnames;
this.data = new Vector<Vector<Object>>();
}
public void resetTable() {
this.colNames.removeAllElements();
this.data.removeAllElements();
}
public void setColumnNames(Vector<String> colNames) {
this.colNames = colNames;
this.fireTableStructureChanged();
}
public void addRow(Vector<Object> data) {
this.data.add(data);
this.fireTableRowsInserted(data.size() - 1, data.size() - 1);
}
public void removeRowAt(int row) {
this.data.removeElementAt(row);
this.fireTableRowsDeleted(row - 1, data.size() - 1);
}
@Override
public int getColumnCount() {
return this.colNames.size();
}
@Override
public Class<?> getColumnClass(int colNum) {
switch (colNum) {
case 0:
return Date.class;
case 2:
return Double.class;
default:
return String.class;
}
}
@Override
public boolean isCellEditable(int row, int colNum) {
switch (colNum) {
default:
return true;
}
}
@Override
public String getColumnName(int colNum) {
return this.colNames.get(colNum);
}
@Override
public int getRowCount() {
return this.data.size();
}
@Override
public Object getValueAt(int row, int col) {
Vector<Object> value = this.data.get(row);
return value.get(col);
}
@Override
public void setValueAt(Object newVal, int row, int col) {
Vector<Object> aRow = data.elementAt(row);
aRow.remove(col);
aRow.insertElementAt(newVal, col);
fireTableCellUpdated(row, col);
}
public void setColumnVisible(int index, boolean visible) {
this._columnsVisible[index] = visible;
this.fireTableStructureChanged();
}
}
//
private Action delete = new AbstractAction() {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent e) {
JTable table = (JTable) e.getSource();
int modelRow = Integer.valueOf(e.getActionCommand());
((DefaultTableModel) table.getModel()).removeRow(modelRow);
table.clearSelection();
}
};
}
导入java.awt.event.*;
导入java.util.*;
导入javax.swing.*;
导入javax.swing.table.*;
公共类TableButton3扩展JFrame{
私有静态最终长serialVersionUID=1L;
专用JTable表;
私有MyTableModel myModel=新的MyTableModel();
公共表格按钮3(){
String[]columnNames={“日期”、“字符串”、“小数”、“删除”};
对象[][]数据={
{new Date(),“A”,new Double(5.1),“Remove”},{new Date(),“B”,new Double(6.2),“Remove”},
{new Date(),“C”,new Double(7.3),“Remove”},{new Date(),“D”,new Double(8.4),“Remove”},
{new Date(),“A”,new Double(5.1),“Remove”},{new Date(),“B”,new Double(6.2),“Remove”},};
DefaultTableModel=新的DefaultTableModel(数据、列名){
私有静态最终长serialVersionUID=1L;
@Override//返回每个列的类将允许基于类使用不同的渲染器
公共类getColumnClass(int列){
开关(列){
案例0:
返回日期.class;
案例2:
返回Double.class;
违约:
返回字符串.class;
}
//返回getValueAt(0,列).getClass();
}
};
表=新JTable(型号);
表=新JTable(myModel);
addTableDatas();
table.setPreferredScrollableViewportSize(table.getPreferredSize());
JScrollPane scrollPane=新的JScrollPane(表);
添加(滚动窗格);
ButtonColumn ButtonColumn=新的ButtonColumn(表,删除,3);
buttonColumn.setMemonic(KeyEvent.VK_D);
}
公共静态void main(字符串[]args){
TableButton3框架=新的TableButton3();
frame.setDefaultCloseOperation(关闭时退出);
frame.pack();
frame.setVisible(true);
}
私有void addTableDatas(){
向量列名称=新向量();
列名称。添加(“日期”);
columnNameS.add(“字符串”);
列名称。添加(“十进制”);
列名称。添加(“删除”);
myModel.setColumnNames(columnNameS);
向量行1=新向量();
行1.添加(新日期());
第1行。添加(“A”);
第1行添加(新的双精度(5.1));
第1行。添加(“删除”);
myModel.addRow(第1行);
行1=新向量();
行1.添加(新日期());
第1行。添加(“B”);
第1行添加(新的双精度(6.2));
第1行。添加(“删除”);
myModel.addRow(第1行);
行1=新向量();
行1.添加(新日期());
第1行。添加(“B”);
第1行添加(新的双精度(8.4));
第1行。添加(“删除”);
myModel.addRow(第1行);
行1=新向量();
行1.添加(新日期());
第1行。添加(“B”);
第1行添加(新的双精度(5.1));
第1行。添加(“删除”);
myModel.addRow(第1行);
行1=新向量();
行1.添加(新日期());
第1行。添加(“B”);
第1行添加(新的双精度(6.2));
第1行。添加(“删除”);
myModel.addRow(第1行);
}
私有类MyTableModel扩展了AbstractTableModel{
私有静态最终长serialVersionUID=1L;
专用矢量数据;
私有向量colname;
私有布尔[]_columnsVisible={true,true,true,true};
公共MyTableModel(){
this.colNames=新向量();
this.data=新向量();
}
公共MyTableModel(向量colnames){
this.colNames=colNames;
this.data=新向量();
}
公共无效可重置(){
this.colNames.removeAllements();
this.data.removeAllements();
}
public void setColumnNames(向量colNames){
this.colNames=colNames;
此.firetablestructure()已更改;
}
公共void addRow(矢量数据){
this.data.add(数据);
已插入此.fireTableRowsInserted(data.size()-1,data.size()-1);
}
公共空隙清除器OWAT(int行){
this.data.removeElementAt(行);
this.fireTableRowsDeleted(行-1,data.size()-1);
}
@凌驾
public int getColumnCount(){
返回此.colNames.size();
}
@凌驾
公共类getColumnClass(int colNum){
开关(colNum){
案例0:
返回日期.class;
案例2:
返回Double.class;
违约:
返回字符串.class;
}
}
@凌驾