Java 单元编辑器中组件内的焦点遍历
我正在尝试对一个表进行简单的编辑,因为它使用一个自定义组件来显示信息。 每个单元格有3个数据文本 我想要的是:Java 单元编辑器中组件内的焦点遍历,java,swing,focus,jtable,tablecelleditor,Java,Swing,Focus,Jtable,Tablecelleditor,我正在尝试对一个表进行简单的编辑,因为它使用一个自定义组件来显示信息。 每个单元格有3个数据文本 我想要的是: 如果单元格获得焦点,则开始编辑第一个值 编辑第一个值时,用户按[TAB],然后编辑第二个值(不要转到下一个单元格) 如果在第三个值中按[TAB],则编辑下一个单元格(输入1sr值) 我在论坛上寻找,我没有发现这个案例,这个问题。。。还在读书学秋千吗 提前感谢您的回答,这是我的代码: public class PruebaTabla extends JFrame { pub
- 如果单元格获得焦点,则开始编辑第一个值
- 编辑第一个值时,用户按[TAB],然后编辑第二个值(不要转到下一个单元格)
- 如果在第三个值中按[TAB],则编辑下一个单元格(输入1sr值)
public class PruebaTabla extends JFrame {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable(){
public void run() {
new PruebaTabla().setVisible(true);
}});
}
public PruebaTabla(){
JTable tabla = new JTable();
tabla.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
tabla.setCellSelectionEnabled(true);
tabla.setDefaultRenderer(ModelClass.class, new ModelClassCellRederer());
tabla.setDefaultEditor(ModelClass.class, new ModelClasstroCellEditor());
tabla.setRowHeight(30);
CustomModel model = new CustomModel();
model.setModel(new ModelClass[][]{
{new ModelClass(), new ModelClass(), new ModelClass()},
{new ModelClass(), new ModelClass(), new ModelClass()},
{new ModelClass(), new ModelClass(), new ModelClass()}});
tabla.setModel(model);
getContentPane().add(new JScrollPane(tabla));
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setSize(480,150);
setLocationRelativeTo(null);
}
private class ModelClass {
private String value1;
private String value2;
private String value3;
public ModelClass(){
setValue1("" + Math.round(Math.random() * 100));
setValue2("" + Math.round(Math.random() * 100));
setValue3("" + Math.round(Math.random() * 100));
}
public String getValue1() {
return value1;
}
public void setValue1(String value1) {
this.value1 = value1;
}
public String getValue2() {
return value2;
}
public void setValue2(String value2) {
this.value2 = value2;
}
public String getValue3() {
return value3;
}
public void setValue3(String value3) {
this.value3 = value3;
}
}
private class CustomModel extends AbstractTableModel{
ModelClass[][] model;
String[] columnNames = new String[] {"Column1", "Column2", "Column3"};
@Override
public Class<?> getColumnClass(int columnIndex) {
return ModelClass.class;
}
@Override
public String getColumnName(int column) {
return columnNames[column];
}
public int getColumnCount() {
return 3;
}
public int getRowCount() {
return 3;
}
public Object getValueAt(int rowIndex, int columnIndex) {
return model[rowIndex][columnIndex];
}
public ModelClass[][] getModel() {
return model;
}
public void setModel(ModelClass[][] model) {
this.model = model;
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return true;
}
}
private class ModelClassCellRederer implements TableCellRenderer {
JPanel panel = new JPanel();
private JLabel label1= new JLabel();
private JLabel label2 = new JLabel();
private JLabel label3 = new JLabel();
ModelClassCellRederer(){
panel.add(label1);
panel.add(label2);
panel.add(label3);
}
public Component getTableCellRendererComponent(JTable table,
Object value, boolean isSelected, boolean hasFocus, int row,
int column) {
if (isSelected) {
panel.setBackground(table.getSelectionBackground());
panel.setBorder(UIManager.getBorder("Table.focusCellHighlightBorder"));
} else {
panel.setBackground(table.getBackground());
panel.setBorder(null);
}
ModelClass v = (ModelClass) value;
label1.setText(v.getValue1());
label2.setText(v.getValue2());
label3.setText(v.getValue3());
return panel;
}
}
private class ModelClasstroCellEditor extends DefaultCellEditor {
JPanel panel = new JPanel();
private JTextField label1= new JTextField();
private JTextField label2 = new JTextField();
private JTextField label3 = new JTextField();
ModelClass actual;
public ModelClasstroCellEditor() {
super(new JCheckBox());
panel.add(label1);
panel.add(label2);
panel.add(label3);
setClickCountToStart(1);
}
@Override
public Component getTableCellEditorComponent(JTable table,
Object value, boolean isSelected, int row, int column) {
actual = (ModelClass) value;
label1.setText(actual.getValue1());
label2.setText(actual.getValue2());
label3.setText(actual.getValue3());
return panel;
}
@Override
public Object getCellEditorValue() {
if (actual != null){
actual.setValue1(label1.getText());
actual.setValue2(label2.getText());
actual.setValue3(label3.getText());
}
return actual;
}
@Override
public boolean isCellEditable(EventObject anEvent) {
if (anEvent instanceof KeyEvent) {
final KeyEvent keyEvent = (KeyEvent) anEvent;
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (!Character.isIdentifierIgnorable(keyEvent.getKeyChar())) {
label1.setText("" + keyEvent.getKeyChar());
}
label1.setCaretPosition(label1.getText().length());
label1.requestFocusInWindow();
}
});
}
return super.isCellEditable(anEvent);
}
}
}
公共类PruebaTabla扩展JFrame{
公共静态void main(字符串[]args){
SwingUtilities.invokeLater(新的Runnable(){
公开募捐{
新的PruebaTabla().setVisible(true);
}});
}
公共审慎性{
JTable tabla=新的JTable();
表A.setSelectionMode(ListSelectionModel.单选);
表A.setCellSelectionEnabled(真);
tabla.setDefaultRenderer(ModelClass.class,新的ModelClassCellRederer());
tabla.setDefaultEditor(ModelClass.class,新的ModelClasstroCellEditor());
表A.设置行高(30);
CustomModel model=新CustomModel();
model.setModel(新模型类[][]{
{new ModelClass(),new ModelClass(),new ModelClass()},
{new ModelClass(),new ModelClass(),new ModelClass()},
{new ModelClass(),new ModelClass(),new ModelClass()}});
表1.setModel(模型);
getContentPane().add(新的JScrollPane(tabla));
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
设置大小(480150);
setLocationRelativeTo(空);
}
私有类模型类{
私有字符串值1;
私有字符串值2;
私有字符串值3;
公共模型类(){
setValue1(“+Math.round(Math.random()*100));
setValue2(“+Math.round(Math.random()*100));
setValue3(“+Math.round(Math.random()*100));
}
公共字符串getValue1(){
返回值1;
}
public void setValue1(字符串值1){
此值为1.value1=value1;
}
公共字符串getValue2(){
返回值2;
}
public void setValue2(字符串值2){
此参数为0.value2=value2;
}
公共字符串getValue3(){
返回值3;
}
public void setValue3(字符串值3){
此值为0.3=值3;
}
}
私有类CustomModel扩展了AbstractTableModel{
ModelClass[][]模型;
字符串[]columnNames=新字符串[]{“Column1”、“Column2”、“Column3”};
@凌驾
公共类getColumnClass(int columnIndex){
返回ModelClass.class;
}
@凌驾
公共字符串getColumnName(int列){
返回columnNames[列];
}
public int getColumnCount(){
返回3;
}
public int getRowCount(){
返回3;
}
公共对象getValueAt(int-rowIndex,int-columnIndex){
返回模型[rowIndex][columnIndex];
}
公共模型类[][]getModel(){
收益模型;
}
公共void集合模型(模型类[][]模型){
this.model=模型;
}
@凌驾
公共布尔isCellEditable(int-rowIndex,int-columnIndex){
返回true;
}
}
私有类ModelClassCellRederer实现TableCellRenderer{
JPanel面板=新的JPanel();
专用JLabel label1=新JLabel();
专用JLabel label2=新JLabel();
专用JLabel label3=新JLabel();
ModelClassCellRederer(){
面板。添加(标签1);
面板。添加(标签2);
面板。添加(标签3);
}
公共组件GetTableCellRenderComponent(JTable表,
对象值,布尔isSelected,布尔hasFocus,int行,
int列){
如果(当选){
panel.setBackground(table.getSelectionBackground());
panel.setboorder(UIManager.getBorder(“Table.focusCellHighlightBorder”);
}否则{
panel.setBackground(table.getBackground());
面板顺序(空);
}
ModelClass v=(ModelClass)值;
label1.setText(v.getValue1());
label2.setText(v.getValue2());
label3.setText(v.getValue3());
返回面板;
}
}
私有类ModelClasstroCellEditor扩展了DefaultCellEditor{
JPanel面板=新的JPanel();
私有JTextField label1=新JTextField();
私有JTextField label2=新JTextField();
私有JTextField label3=新JTextField();
模型类实际;
公共模型ClassTroCellEditor(){
super(新JCheckBox());
面板。添加(标签1);
面板。添加(标签2);
面板。添加(标签3);
设置ClickCountToStart(1);
}
@凌驾
公共组件getTableCellEditorComponent(JTable表,
对象值,布尔值(选定,int行,int列){
实际值=(模型类)值;
label1.setText(actual.getValue1());
label2.setText(actual.getValue2());
label3.setText(actual.getValue3());
返回面板;
}
@凌驾
公共对象getCellEditorValue(){
如果(实际值!=null){
actual.setValue1(label1.getText());
actual.setValue2(label2.getText());
actual.setValue3(label3.getText());
}
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