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/*
 * #%L
 * JAXX :: Runtime
 * 
 * $Id: ClassCellEditor.java 2118 2010-10-26 17:44:57Z tchemit $
 * $HeadURL: http://svn.nuiton.org/svn/jaxx/tags/jaxx-2.3/jaxx-runtime/src/main/java/jaxx/runtime/swing/editor/ClassCellEditor.java $
 * %%
 * Copyright (C) 2008 - 2010 CodeLutin
 * %%
 * 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%
 */
package jaxx.runtime.swing.editor;

import org.apache.commons.beanutils.Converter;
import org.nuiton.util.converter.ConverterUtil;

import javax.swing.DefaultCellEditor;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.event.CellEditorListener;
import javax.swing.table.TableCellEditor;
import java.awt.Component;
import java.util.EventObject;

/**
 * A class cell editor (fork from comandline project).
 *
 * @author tchemit 
 */
public class ClassCellEditor implements TableCellEditor {

    protected TableCellEditor delegate;

    @Override
    public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {

        String valStr = (value + "").trim();
        if (valStr.equals("null")) {
            valStr = "";
        } else if (valStr.startsWith("class ")) {
            valStr = valStr.substring(6);
        }
        Component comp;
        comp = getDelegate().getTableCellEditorComponent(table, valStr, isSelected, row, column);
        return comp;
    }

    @Override
    public Object getCellEditorValue() {
        Object o = !hasDelegate() ? null : delegate.getCellEditorValue();
        if (o == null) {
            return null;
        }
        Converter converter = ConverterUtil.getConverter(Class.class);

        try {
            if (converter != null) {
                return converter.convert(Class.class, o);
            }
            o = Class.forName(o + "");
        } catch (Exception e) {
            o = null;
        }
        return o;
    }

    @Override
    public boolean isCellEditable(EventObject anEvent) {
        return !hasDelegate() || delegate.isCellEditable(anEvent);
    }

    @Override
    public boolean shouldSelectCell(EventObject anEvent) {
        return hasDelegate() && delegate.shouldSelectCell(anEvent);
    }

    @Override
    public boolean stopCellEditing() {
        return !hasDelegate() || delegate.stopCellEditing();
    }

    @Override
    public void cancelCellEditing() {
        if (hasDelegate()) {
            delegate.cancelCellEditing();
        }
    }

    @Override
    public void addCellEditorListener(CellEditorListener l) {
        if (hasDelegate()) {
            delegate.addCellEditorListener(l);
        }
    }

    @Override
    public void removeCellEditorListener(CellEditorListener l) {
        if (hasDelegate()) {
            delegate.removeCellEditorListener(l);
        }
    }

    protected TableCellEditor getDelegate() {
        if (delegate == null) {
            delegate = new DefaultCellEditor(new JTextField());
        }
        return delegate;
    }

    protected boolean hasDelegate() {
        return delegate != null;
    }
}