POPUPEDITOR POUR UN JTABLE

package popup;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.AbstractCellEditor;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JTable;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;

public class PopupEditor extends AbstractCellEditor implements TableCellEditor,
        PropertyChangeListener {

    private TableCellRenderer renderer;

    private JXPopupMenu popupMenu = new JXPopupMenu();

    private JButton validate = makeButton("\u21B5", Color.GREEN.darker(),
            new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    stopCellEditing();
                }
            });

    private JButton cancel = makeButton("X", Color.RED, new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            cancelCellEditing();
        }
    });

    private JPanel panelButtons;

    protected JXCheckBoxMenuItem[] checkBoxMenuItems;

    private static final MouseListener mouseListener = new MouseAdapter() {
    };

    public PopupEditor(TableCellRenderer renderer, Object[] items) {
        this.renderer = renderer;

        panelButtons = new JPanel(new FlowLayout(FlowLayout.RIGHT, 0, 0));
        panelButtons.add(validate);
        panelButtons.add(cancel);

        setChoosableItems(items);
    }

    protected JButton makeButton(String text, Color color,
            ActionListener listener) {
        JButton button = new JButton(text);
        button.setForeground(color);
        button.setBorder(BorderFactory.createRaisedBevelBorder());
        button.setFocusPainted(false);
        button.addActionListener(listener);
        return button;
    }

    public boolean stopCellEditing() {
        popupMenu.close();
        return super.stopCellEditing();
    }

    public void cancelCellEditing() {
        popupMenu.close();
        super.cancelCellEditing();
    }

    public void setChoosableItems(Object[] items) {
        popupMenu.removeAll();

        this.checkBoxMenuItems = new JXCheckBoxMenuItem[items.length];
        for (int i = 0; i < items.length; i++) {
            JXCheckBoxMenuItem menuItem = new JXCheckBoxMenuItem(items[i]);
            checkBoxMenuItems[i] = menuItem;
            popupMenu.add(menuItem);
        }

        popupMenu.addSeparator();
        popupMenu.add(panelButtons);
        popupMenu.pack();
        popupMenu.setPackSize(popupMenu.getPreferredSize());
    }

    public Object getCellEditorValue() {
        List list = new ArrayList();
        for (int i = 0; i < checkBoxMenuItems.length; i++) {
            JXCheckBoxMenuItem menuItem = checkBoxMenuItems[i];
            if (menuItem.isSelected()) {
                list.add(menuItem.getItem());
            }
        }
        return list.toArray();
    }

    protected void setCellEditorValue(Object value) {
        for (int i = 0; i < checkBoxMenuItems.length; i++) {
            JXCheckBoxMenuItem menuItem = checkBoxMenuItems[i];
            menuItem.setSelected(false);
        }

        if (value != null) {
            Object[] values = (Object[]) value;
            for (int i = 0; i < checkBoxMenuItems.length; i++) {
                JXCheckBoxMenuItem menuItem = checkBoxMenuItems[i];
                for (int j = 0; j < values.length; j++) {
                    if (values [j] != null && menuItem.getItem().equals(values [j])) {
                        menuItem.setSelected(true);
                        break;
                    }
                }
            }
        }
    }

    public void propertyChange(PropertyChangeEvent evt) {
        if (evt.getOldValue() == this && evt.getNewValue() == null) {
            popupMenu.close();
        }
    }

    public Component getTableCellEditorComponent(JTable table, Object value,
            boolean isSelected, int row, int column) {
        table.removePropertyChangeListener("tableCellEditor", this);
        table.addPropertyChangeListener("tableCellEditor", this);

        setCellEditorValue(value);

        Rectangle rect = table.getCellRect(row, column, false);
        Dimension size = popupMenu.getPackSize();
        popupMenu.setPreferredSize(new Dimension(Math.max(rect.width,
                size.width), size.height));
        popupMenu.show(table, rect.x, rect.y + rect.height);

        Component comp = renderer.getTableCellRendererComponent(table, value,
                isSelected, false, row, column);
        comp.removeMouseListener(mouseListener);
        comp.addMouseListener(mouseListener);
        return comp;
    }

    private static class JXPopupMenu extends JPopupMenu {

        private Dimension packSize;

        private boolean closeable;

        public Dimension getPackSize() {
            return packSize;
        }

        public void setPackSize(Dimension packSize) {
            this.packSize = packSize;
        }

        public void close() {
            closeable = true;
            setVisible(false);
        }

        public void setVisible(boolean b) {
            if (b || closeable) {
                super.setVisible(b);
                closeable = false;
            }
        }
    }

    private static class JXCheckBoxMenuItem extends JCheckBoxMenuItem {

        private Object item;

        public JXCheckBoxMenuItem(Object item) {
            super(item.toString());
            this.item = item;
        }

        public Object getItem() {
            return item;
        }
    }

}


package popup;

import javax.swing.table.DefaultTableCellRenderer;

public class ArrayTableCellRenderer extends DefaultTableCellRenderer {

    private String separator;

    public ArrayTableCellRenderer() {
        this(null);
    }

    public ArrayTableCellRenderer(String separator) {
        this.separator = separator != null ? separator : " ";
    }

    protected void setValue(Object value) {
        if (value != null) {
            value = format((Object[]) value);
        }
        super.setValue(value);
    }

    protected Object format(Object[] values) {
        boolean separate = false;
        StringBuffer sb = new StringBuffer();

        for (int i = 0; i < values.length; i++) {
            if (values[i] != null) {
                if (separate) {
                    sb.append(getSeparator());
                }
                sb.append(values[i]);
                separate = true;
            }
        }
        return sb;
    }

    public String getSeparator() {
        return separator;
    }

    public void setSeparator(String separator) {
        this.separator = separator;
    }
}

package popup;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;

public class TestPopupEditor extends JFrame {

    public TestPopupEditor() {
        Object[] couleurs = { "Blanc", "Rouge", "Vert", "Bleu", "Jaune", "Noir" };
        Object[] formes = { "Rond", "Carré", "Triangle" };
        Object[] poids = { "1kg", "2kg", "3kg", "4kg", "5kg" };

        JTable jTable = new JTable(new Object[][] {
                new Object[] { new Object[] { "Rouge", "Vert" }, null, null },
                new Object[] { null, new Object[] { "Carré", "Triangle" },
                        new Object[] { "1kg", "2kg" } }, new Object[3] },
                new String[] { "Couleurs", "Formes", "Poids" });

        jTable.setDefaultRenderer(Object.class, new ArrayTableCellRenderer());

        TableCellRenderer popupRenderer = new ArrayTableCellRenderer();
        jTable.getColumnModel().getColumn(0).setCellEditor(
                new PopupEditor(popupRenderer, couleurs));
        jTable.getColumnModel().getColumn(1).setCellEditor(
                new PopupEditor(popupRenderer, formes));
        jTable.getColumnModel().getColumn(2).setCellEditor(
                new PopupEditor(popupRenderer, poids));

        getContentPane().add(new JScrollPane(jTable));
        setSize(600, 300);
        setVisible(true);
    }

    public static void main(String[] args) {
        new TestPopupEditor();
    }
}

Télécharger le zip

10 mai 2008 18:03:49 :

impossible de joindre le zip !

10 mai 2008 18:30:09 :

Description mise à jour.

10 mai 2008 21:32:59 :

Ajout du zip