<?php
/**
 * This file is part of P4A - PHP For Applications.
 *
 * P4A 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.
 * 
 * P4A 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 P4A.  If not, see <http://www.gnu.org/licenses/lgpl.html>.
 * 
 * To contact the authors write to:                                     <br />
 * Fabrizio Balliano <hide@address.com>                     <br />
 * Andrea Giardina <hide@address.com>
 *
 * @author Fabrizio Balliano <hide@address.com>
 * @author Andrea Giardina <hide@address.com>
 * @copyright Copyright (c) 2003-2010 Fabrizio Balliano, Andrea Giardina
 * @link http://p4a.sourceforge.net
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
 * @package p4a
 */

/**
 * "A" HTML tag
 * @author Fabrizio Balliano <hide@address.com>
 * @author Andrea Giardina <hide@address.com>
 * @copyright Copyright (c) 2003-2010 Fabrizio Balliano, Andrea Giardina
 * @package p4a
 */
class P4A_Link extends P4A_Widget
{
	/**
	 * @param string $name Mnemonic identifier for the object
	 * @param string $id Object ID, if not specified will be generated
	 */
	public function __construct($name, $id = null)
	{
		parent::__construct($name, 'lnk', $id);
		$this->addAction("onclick");
	}

	/**
	 * HTML rendered link
	 * @return string
	 */
	public function getAsString()
	{
		$id = $this->getId();
		if (!$this->isVisible()) {
			return "<span id='$id' class='hidden'></span>";
		}
		
		$label = $this->getLabel();
		$class = $this->composeStringClass();
		$properties = $this->composeStringProperties();
		$actions = $this->composeStringActions();

		if ($this->isEnabled()) {
			return "<a href='#' id='$id' $class $properties $actions>$label</a>";
		}
		return "<span id='$id'>$label</span>";
	}
}