/**
 * DataCleaner (community edition)
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.datacleaner.widgets;

import java.awt.Color;

import javax.swing.Icon;
import javax.swing.JLabel;
import javax.swing.SwingConstants;

import org.datacleaner.util.WidgetUtils;

/**
 * A convenient, decorated {@link JLabel} which supports multiple lines and more.
 */
public class DCLabel extends JLabel {

    private static final long serialVersionUID = 1L;

    private final boolean _multiline;

    public DCLabel(final boolean multiline, final String text, final Color textColor, final Icon icon) {
        super();
        _multiline = multiline;
        if (text != null) {
            setText(text);
        }
        if (textColor != null) {
            setForeground(textColor);
        }
        if (icon != null) {
            setIcon(icon);
        }
        setVerticalAlignment(SwingConstants.TOP);
    }

    public static DCLabel bright(final String text) {
        return new DCLabel(false, text, WidgetUtils.BG_COLOR_BRIGHTEST, null);
    }

    public static DCLabel dark(final String text) {
        return new DCLabel(false, text, WidgetUtils.BG_COLOR_DARKEST, null);
    }

    public static DCLabel brightMultiLine(final String text) {
        return new DCLabel(true, text, WidgetUtils.BG_COLOR_BRIGHTEST, null);
    }

    public static DCLabel darkMultiLine(final String text) {
        return new DCLabel(true, text, WidgetUtils.BG_COLOR_DARKEST, null);
    }

    @Override
    public void setText(String text) {
        if (text == null) {
            text = "";
        }
        if (_multiline) {
            if (text.indexOf("</p>") == -1) {
                text = "<p>" + text + "</p>";
            }
            if (text.indexOf("<html>") == -1) {
                text = "<html>" + text + "</html>";
            }
            if (text.indexOf("<br") == -1) {
                text = text.replaceAll("\n", "<br>");
            }
        }

        super.setText(text);
    }

    public void setMaximumWidth(final int width) {
        String text = getText();
        if (text.startsWith("<html>") && text.endsWith("</html>")) {
            // remove <html> tags since that will be added below also
            text = text.substring(6, text.length() - 7);
        }
        super.setText(
                "<html><table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"" + width + "\"><tr><td>" + text
                        + "</td></tr></table></html>");
    }
}