io.ultreia.java4all.jaxx.widgets.combobox.JaxxComboBoxCellEditor Maven / Gradle / Ivy

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package io.ultreia.java4all.jaxx.widgets.combobox;

/*-
 * #%L
 * JAXX :: Widgets
 * %%
 * Copyright (C) 2008 - 2024 Code Lutin, Ultreia.io
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import io.ultreia.java4all.bean.JavaBean;

import javax.swing.DefaultCellEditor;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.SwingUtilities;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
import javax.swing.table.TableCellEditor;

/**
 * Created by tchemit on 20/11/2018.
 *
 * @author Tony Chemit - [email protected]
 */
public class JaxxComboBoxCellEditor extends DefaultCellEditor implements TableCellEditor, AncestorListener {

    @SuppressWarnings("rawtypes")
    public  JaxxComboBoxCellEditor(JaxxComboBox editor) {
        super(editor.getCombobox());
        this.editorComponent = editor;
        JComboBox comboBox = editor.getCombobox();
        editorComponent.setOpaque(false);
        comboBox.removeActionListener(this.delegate);

        this.delegate = new EditorDelegate() {
            @SuppressWarnings("unchecked")
            @Override
            public void setValue(Object value) {
                if (value != null && !(value instanceof JavaBean)) {
                    value = null;
                }
                editor.setSelectedItem((O) value);
            }

            @Override
            public Object getCellEditorValue() {
                return editor.getModel().getSelectedItem();
            }

            @Override
            public boolean stopCellEditing() {
                if (comboBox.isEditable()) {
                    Object cellEditorValue = getCellEditorValue();
                    Object item = comboBox.getEditor().getItem();
                    if (item != null && !editor.getConfig().getBeanType().isAssignableFrom(item.getClass())) {
                        if (cellEditorValue == null && !"".equals(item)) {
                            // reset editor selected value, otherwise after there is a action performed (BasicComboBoxUI#1901)
                            // this will perform in JComboBox#1320 fires a selectedItem on this value
                            // and in JaxxComboBoxEditor#267 use this a the new value
                            editor.setSelectedItem(null);
                        }
                    }
                }
                return super.stopCellEditing();
            }
        };
        ((JComponent) comboBox.getEditor().getEditorComponent()).addAncestorListener(this);
        comboBox.addActionListener(this.delegate);
    }

    @Override
    public void ancestorAdded(AncestorEvent event) {
        SwingUtilities.invokeLater(() -> {
            editorComponent.requestFocusInWindow();
            ((JaxxComboBox) editorComponent).getCombobox().getEditor().selectAll();
        });
    }

    @Override
    public void ancestorRemoved(AncestorEvent event) {
    }

    @Override
    public void ancestorMoved(AncestorEvent event) {
    }

    @Override
    public JaxxComboBox getComponent() {
        return (JaxxComboBox) super.getComponent();
    }
}