/*
 * Rapid Beans Framework: RendererListCollection.java
 * 
 * Copyright (C) 2009 Martin Bluemel
 * 
 * Creation Date: 02/24/2006
 * 
 * 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 Lesser General Public License for more details.
 * You should have received a copies of the GNU Lesser General Public License and the
 * GNU General Public License along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

package org.rapidbeans.presentation.swing;

import java.awt.Component;
import java.util.MissingResourceException;

import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

import org.rapidbeans.core.basic.Container;
import org.rapidbeans.core.basic.RapidBean;
import org.rapidbeans.core.common.RapidBeansLocale;

/**
 * The cell renderer for bean collection. Takes a string defined in the locale's
 * resource bundle.<br/>
 * The key is <b>"enum.<enum type short name>.<enum name>"</b>
 * 
 * @author Martin Bluemel
 */
public class RendererListCollection implements ListCellRenderer {

	/**
	 * the locale to retrieve the appropriate text.
	 */
	private RapidBeansLocale locale = null;

	/**
	 * this document.
	 */
	private Container document = null;

	/**
	 * constructor.
	 * 
	 * @param doc
	 *            the document
	 * @param loc
	 *            the locale
	 */
	public RendererListCollection(final Container doc, final RapidBeansLocale loc) {
		this.document = doc;
		this.locale = loc;
	}

	/**
	 * @param list
	 *            the list
	 * @param value
	 *            the value
	 * @param index
	 *            the index
	 * @param isSelected
	 *            is the cellis selected
	 * @param cellHasFocus
	 *            if the call has focus
	 * 
	 * @return the redered component
	 * 
	 * @see javax.swing.ListCellRenderer#getListCellRendererComponent(javax.swing.JList, java.lang.Object, int, boolean, boolean)
	 */
	public Component getListCellRendererComponent(final JList list, final Object value, final int index,
			final boolean isSelected, final boolean cellHasFocus) {
		JLabel label = new JLabel();
		if (value == null) {
			label.setText("-");
		} else {
			final RapidBean bean = (RapidBean) value;
			label.setText(this.getIdString(bean));
		}
		if (isSelected) {
			label.setOpaque(true);
			label.setBackground(MainWindowSwing.COLOR_SELECTED_BACKGROUND);
		}
		return label;
	}

	/**
	 * @param bean
	 *            the bean to persent in the tree view
	 * @return the id string to present in the tree view
	 */
	protected String getIdString(final RapidBean bean) {
		if (bean == null) {
			return "null";
		}
		String idstring = null;
		String pattern = null;
		try {
			pattern = this.locale.getStringGui("document." + this.document.getConfigNameOrName() + ".treeview."
					+ bean.getType().getNameShort().toLowerCase() + ".id");
			idstring = bean.expandPropertyValues(pattern, this.locale);
		} catch (MissingResourceException e) {
			idstring = null;
		}
		if (idstring == null) {
			idstring = bean.toStringGuiId(this.locale);
		}
		return idstring;
	}
}