Добрый День! не могу никак обновить модель данных при изменении в БД. Изменяю БД из другого окна-все прекрасно сохраняется, все работает, а модель данных в таблице не меняется(( посмотрите, пожалуйста и помогите кодом, как правильно написать метод ReloadActionListener в моей программе
package diplomwork2;
import java.awt.*;
import java.awt.event.*;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import javax.swing.AbstractCellEditor;
import javax.swing.JFrame;
import javax.swing.JCheckBox;
import javax.swing.JInternalFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.*;
public class Test extends RealizedIMainFrame{
private JPanel buttonPanel=new JPanel();
private JButton button = new JButton("Reload");
//-----------------------------------------------------------------------------------------
public class JCHECKBOXCellEditorRenderer extends AbstractCellEditor implements TableCellRenderer, TableCellEditor, ActionListener {
private JCheckBox CheckBox;
public JCHECKBOXCellEditorRenderer() {
this.CheckBox = new JCheckBox();
CheckBox.addActionListener(actionListener);
CheckBox.setOpaque(false);
}
private ActionListener actionListener = new ActionListener() {
@Override public void actionPerformed(ActionEvent actionEvent) {
if(CheckBox.isSelected()){
table.setRowHeight(table.getSelectedRow(), 50);
table.setFillsViewportHeight(true);
table.setSelectionBackground(Color.RED);
}
else{
table.setRowHeight(table.getSelectedRow(), 20);
}
}
};
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
CheckBox.setSelected(Boolean.TRUE.equals(value));
return CheckBox;
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
CheckBox.setSelected(Boolean.TRUE.equals(value));
return CheckBox;
}
@Override
public void actionPerformed(ActionEvent e) {
stopCellEditing();
}
@Override
public Object getCellEditorValue() {
return CheckBox.isSelected();
}
}
//-----------------------------------------------------------------------------------------
private class MyObjectManager {
private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);
private List<MyObject> objects = new ArrayList<Test.MyObject>();
private List<MyObject> objects2 = new ArrayList<Test.MyObject>();
public void addObject(MyObject object) {
objects.add(object);
object.setManager(this);
propertyChangeSupport.firePropertyChange("objects", null, object);
}
public void addObject2(MyObject object) {
objects2.add(object);
object.setManager(this);
propertyChangeSupport.firePropertyChange("objects2", null, object);
}
public List<MyObject> getObjects() {
return objects;
}
public List<MyObject> getObjects2() {
return objects2;
}
public void setAsSelected(MyObject myObject) {
for (MyObject o : objects) {
o.setSelected(myObject == o);
}
}
public void setAsSelected2(MyObject myObject) {
for (MyObject o : objects2) {
o.setSelected(myObject == o);
}
}
}
private class MyObject {
private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);
private MyObjectManager manager;
private String value;
private boolean selected;
public MyObject(String value) {
this.value = value;
}
public PropertyChangeSupport getPropertyChangeSupport() {
return propertyChangeSupport;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
propertyChangeSupport.firePropertyChange("value", null, value);
}
public MyObjectManager getManager() {
return manager;
}
public void setManager(MyObjectManager manager) {
this.manager = manager;
propertyChangeSupport.firePropertyChange("manager", null, manager);
}
public boolean isSelected() {
return selected;
}
public void setSelected(boolean selected) {
if (this.selected != selected) {
this.selected = selected;
if (selected) {
manager.setAsSelected(this);
}
propertyChangeSupport.firePropertyChange("selected", !selected, selected);
}
}
}
//-----------------------------------------------------------------------------------------
private class ReloadActionListener implements ActionListener {
@Override public void actionPerformed(ActionEvent e) {
MyObjectManager manager2 = new MyObjectManager();
for (int i = 0; i < GetLastID(); i++) {
MyObject object = new MyObject(GetQuestion().get(i));
manager2.addObject(object);
}
for (int i = 0; i < GetLastID(); i++) {
MyObject object = new MyObject(GetAdvise().get(i));
manager2.addObject2(object);
}
table = new JTable(new MyTableModel(manager2));
table.setRowHeight(20);
}
}
Test(String s) {
super();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
try {
con = DriverManager.getConnection(url, login, password);
} catch (SQLException e) {
e.printStackTrace();
}
f.setBounds(0, 10, 300, 350);
f.setVisible(true);
MyObjectManager manager = new MyObjectManager();
for (int i = 0; i < GetLastID(); i++) {
MyObject object = new MyObject(GetQuestion().get(i));
manager.addObject(object);
}
for (int i = 0; i < GetLastID(); i++) {
MyObject object = new MyObject(GetAdvise().get(i));
manager.addObject2(object);
}
table = new JTable(new MyTableModel(manager));
table.setRowHeight(20);
f.getContentPane().add(table, BorderLayout.PAGE_START);
TableColumn column = table.getColumnModel().getColumn(1);
column.setCellEditor(new JCHECKBOXCellEditorRenderer());//Redaktor
column.setCellRenderer(new JCHECKBOXCellEditorRenderer());//visualizator
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new JScrollPane(table), BorderLayout.CENTER);
f.pack();
f.setVisible(true);
f.getContentPane().add(buttonPanel, BorderLayout.SOUTH);
buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS));
ActionListener actionListener2 = new ReloadActionListener();
button.addActionListener(actionListener2);
button.setVisible(true);
buttonPanel.add(button);
}
//-----------------------------------------------------------------------------------------
public class MyTableModel extends AbstractTableModel implements PropertyChangeListener {
private final MyObjectManager manager;
public MyTableModel(MyObjectManager manager) {
super();
this.manager = manager;
manager.propertyChangeSupport.addPropertyChangeListener(this);
for (MyObject object : manager.getObjects()) {
object.getPropertyChangeSupport().addPropertyChangeListener(this);
}
for (MyObject object2 : manager.getObjects2()) {
object2.getPropertyChangeSupport().addPropertyChangeListener(this);
}
}
//private MyTableModel() {super(); }
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getSource() == manager) {
if (evt.getPropertyName().equals("objects")) {
((MyObject) evt.getNewValue()).getPropertyChangeSupport().addPropertyChangeListener(this);
}
fireTableDataChanged();
} else if (evt.getSource() instanceof MyObject) {
int index = manager.getObjects().indexOf(evt.getSource());
fireTableRowsUpdated(index, index);
}
}
@Override
public int getColumnCount() {
return 3;
}
/*public int getColumn() {
return 3;
}*/
@Override
public int getRowCount() {
return manager.getObjects().size();
}
public MyObject getValueAt(int row) {
return manager.getObjects().get(row);
}
public MyObject getValueAt2(int row) {
return manager.getObjects2().get(row);
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
switch (columnIndex) {
case 0:
return getValueAt(rowIndex).getValue();
case 1:
return getValueAt(rowIndex).isSelected();
case 2:
return getValueAt2(rowIndex).getValue();
}
return null;
}
@Override
public void setValueAt(Object value, int rowIndex, int columnIndex) {
if (columnIndex == 1) {
getValueAt(rowIndex).setSelected(Boolean.TRUE.equals(value));
}
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return columnIndex == 1;
}
@Override
public Class<?> getColumnClass(int column) {
switch (column) {
case 0:
return String.class;
case 1:
return Boolean.class;
case 2:
return String.class;
}
return Object.class;
}
@Override
public String getColumnName(int column) {
switch (column) {
case 0:
return "Questions";
case 1:
return "Selected";
case 2:
return "Advises";
}
return null;
}
}
/* public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException,
UnsupportedLookAndFeelException {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new Test().initUI();
}
});
}*/
}