Java Jtable中单元格的行为(在单元格内部单击鼠标右键)
我有一个Java Jtable中单元格的行为(在单元格内部单击鼠标右键),java,swing,jtable,cell,Java,Swing,Jtable,Cell,我有一个JTable,我想在单元格内单击鼠标右键打开一个弹出菜单。我通过制作自己的AbstractCellEditor尝试了这一点,但它不起作用(当我启动程序时,当第一个方法初始化CellEditor(这是这个方法做的最后一件事)时,CellEditor正在启动。但是在下一个方法开始时,CellEditor已经失效了)。谁能帮帮我吗?几周来我一直在努力找出错误 这是CellEditor的代码: public class CellEditor extends AbstractCellEditor
JTable
,我想在单元格内单击鼠标右键打开一个弹出菜单。我通过制作自己的AbstractCellEditor
尝试了这一点,但它不起作用(当我启动程序时,当第一个方法初始化CellEditor
(这是这个方法做的最后一件事)时,CellEditor
正在启动。但是在下一个方法开始时,CellEditor
已经失效了)。谁能帮帮我吗?几周来我一直在努力找出错误
这是CellEditor的代码:
public class CellEditor extends AbstractCellEditor implements TableCellEditor {
JTextField component;
JPopupMenu popmen;
CellEditor(){
component = new JTextField();
popmen = new JPopupMenu();
createPopmen(component);
component.addMouseListener(new MouseAdapter(){
public void mouseReleased(MouseEvent e) {
if ( e.isPopupTrigger() )
popmen.show( e.getComponent(), e.getX(), e.getY() );
}
});
}
public Component getTableCellEditorComponent1(JTable table, Object value,
boolean isSelected, int rowIndex, int vColIndex) {
if (isSelected) {
}
component.setText((String)value);
return component;
}
public Object getCellEditorValue() {
return component.getText();
}
@Override
public Component getTableCellEditorComponent(JTable arg0, Object arg1, boolean arg2,int arg3, int arg4) {
return null;
}
public void createPopmen(final JTextField text){
// creating Popmen
}
}
这是代码的一部分,其中我的表发生了一些问题:
Vector<Vector> nu = new Vector<Vector>();
Vector<String> columnNames = new Vector<String>();
TableModel model;
model = new DefaultTableModel(nu, columnNames){
public Class getColumnClass() {
Class returnValue;
if ((3 >= 0) && (3 < getColumnCount())) {
System.out.println(getValueAt(0, 3));
returnValue = getValueAt(0, 3).getClass();
} else {
returnValue = Object.class;
}
return returnValue;
}
public boolean isCellEditable(int row, int col) {
if(col == 0){
return false;
}
else{
return true;
}
}
};
table = new JTable(model);
final TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(model);
table.setRowSorter(sorter);
table.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
table.getSelectionModel().addListSelectionListener(new ListSelectionListener(){
public void valueChanged(ListSelectionEvent e){
int a = table.getSelectedRow();
if (!changes.contains(a) && a!=-1 && table.getSelectedColumn() != 0){
changes.add(a);
saved = false;
}
}
});
// SearchingBar
textfield.addKeyListener( new KeyListener(){
@Override
public void keyPressed(KeyEvent arg0) {
}
@Override
public void keyReleased(KeyEvent arg0) {
String searchedText =textfield.getText();
if (searchedText.length() == 0) {
sorter.setRowFilter(null);
} else {
sorter.setRowFilter(RowFilter.regexFilter(searchedText));
}
}
@Override
public void keyTyped(KeyEvent arg0) {
}
});
((DefaultTableModel) model).removeRow(0);
table.setModel(model);
table.setCellEditor(new CellEditor());
Vector nu=new Vector();
向量列名称=新向量();
表格模型;
模型=新的DefaultTableModel(nu,columnNames){
公共类getColumnClass(){
阶级价值;
如果((3>=0)和&(3
应该不需要创建自定义编辑器。您应该能够执行以下操作:
JTable table = new JTable(...);
DefaultCellEditor dce = table.getDefaultEditor(Object.class);
Component editor = dce.getComponent();
editor.addMouseListener(...);
另外,请阅读上的Swing教程中的部分,以了解如何使用过滤的工作示例。您不应该使用KeyListener
如果您需要更多帮助,请发布您的帖子,说明问题所在。您是上帝^^^非常感谢!