package org.argeo.cms.e4.users.providers;

import javax.naming.InvalidNameException;
import javax.naming.ldap.LdapName;

import org.argeo.cms.CmsException;
import org.argeo.cms.auth.UserAdminUtils;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Display;
import org.osgi.service.useradmin.User;

/**
 * Utility class that add font modifications to a column label provider
 * depending on the given user properties
 */
public abstract class UserAdminAbstractLP extends ColumnLabelProvider {
	private static final long serialVersionUID = 137336765024922368L;

	// private Font italic;
	private Font bold;

	@Override
	public Font getFont(Object element) {
		// Self as bold
		try {
			LdapName selfUserName = UserAdminUtils.getCurrentUserLdapName();
			String userName = ((User) element).getName();
			LdapName userLdapName = new LdapName(userName);
			if (userLdapName.equals(selfUserName)) {
				if (bold == null)
					bold = JFaceResources.getFontRegistry()
							.defaultFontDescriptor().setStyle(SWT.BOLD)
							.createFont(Display.getCurrent());
				return bold;
			}
		} catch (InvalidNameException e) {
			throw new CmsException("cannot parse dn for " + element, e);
		}

		// Disabled as Italic
		// Node userProfile = (Node) elem;
		// if (!userProfile.getProperty(ARGEO_ENABLED).getBoolean())
		// return italic;

		return null;
		// return super.getFont(element);
	}

	@Override
	public String getText(Object element) {
		User user = (User) element;
		return getText(user);
	}

	public void setDisplay(Display display) {
		// italic = JFaceResources.getFontRegistry().defaultFontDescriptor()
		// .setStyle(SWT.ITALIC).createFont(display);
		bold = JFaceResources.getFontRegistry().defaultFontDescriptor()
				.setStyle(SWT.BOLD).createFont(Display.getCurrent());
	}

	public abstract String getText(User user);
}