<?php
/**
 * @package     Joomla.Libraries
 * @subpackage  Form
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('JPATH_BASE') or die;

JFormHelper::loadFieldClass('text');

/**
 * Form Field class for the Joomla! CMS.
 *
 * @package     Joomla.Libraries
 * @subpackage  Form
 * @since       1.6
 */
class JFormFieldModulePosition extends JFormFieldText
{
	/**
	 * The form field type.
	 *
	 * @var		string
	 * @since   1.6
	 */
	protected $type = 'ModulePosition';

	/**
	 * Method to get the field input markup.
	 *
	 * @return  string	The field input markup.
	 *
	 * @since   1.6
	 */
	protected function getInput()
	{
		// Get the client id.
		$clientId = $this->element['client_id'];
		if (!isset($clientId))
		{
			$clientName = $this->element['client'];
			if (isset($clientName))
			{
				$client = JApplicationHelper::getClientInfo($clientName, true);
				$clientId = $client->id;
			}
		}

		if (!isset($clientId) && $this->form instanceof JForm)
		{
			$clientId = $this->form->getValue('client_id');
		}

		$clientId = (int) $clientId;

		// Load the modal behavior script.
		JHtml::_('behavior.modal', 'a.modal');

		// Build the script.
		$script = array();
		$script[] = '	function jSelectPosition_' . $this->id . '(name) {';
		$script[] = '		document.id("' . $this->id . '").value = name;';
		$script[] = '		SqueezeBox.close();';
		$script[] = '	}';

		// Add the script to the document head.
		JFactory::getDocument()->addScriptDeclaration(implode("\n", $script));

		// Setup variables for display.
		$html = array();
		$link = 'index.php?option=com_modules&view=positions&layout=modal&tmpl=component&function=jSelectPosition_' . $this->id . '&amp;client_id=' . $clientId;

		// The current user display field.
		$html[] = '<div class="input-append">';
		$html[] = parent::getInput()
			. '<a class="btn modal" title="' . JText::_('COM_MODULES_CHANGE_POSITION_TITLE') . '"  href="' . $link . '" rel="{handler: \'iframe\', size: {x: 800, y: 450}}">'
			. '<i class="icon-screenshot"></i> '
			. JText::_('COM_MODULES_CHANGE_POSITION_BUTTON') . '</a>';
		$html[] = '</div>';

		return implode("\n", $html);
	}
}
