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<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Toolbar\Button;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Toolbar\ToolbarButton;
use Joomla\CMS\Uri\Uri;

/**
 * Renders a modal window button
 *
 * @method self    url(string $value)
 * @method self    icon(string $value)
 * @method self    iframeWidth(int $value)
 * @method self    iframeHeight(int $value)
 * @method self    bodyHeight(int $value)
 * @method self    modalWidth(int $value)
 * @method self    onclose(string $value)
 * @method self    title(string $value)
 * @method self    footer(string $value)
 * @method self    selector(string $value)
 * @method self    listCheck(bool $value)
 * @method string  getUrl()
 * @method int     getIframeWidth()
 * @method int     getIframeHeight()
 * @method int     getBodyHeight()
 * @method int     getModalWidth()
 * @method string  getOnclose()
 * @method string  getTitle()
 * @method string  getFooter()
 * @method string  getSelector()
 * @method bool    getListCheck()
 *
 * @since  3.0
 */
class PopupButton extends ToolbarButton
{
	/**
	 * Property layout.
	 *
	 * @var  string
	 *
	 * @since  4.0.0
	 */
	protected $layout = 'joomla.toolbar.popup';

/**
	 * Prepare options for this button.
	 *
	 * @param   array  $options  The options about this button.
	 *
	 * @return  void
	 *
	 * @since   4.0.0
	 */
	protected function prepareOptions(array &$options)
	{
		$options['icon'] = $options['icon'] ?? 'icon-square';

parent::prepareOptions($options);

$options['doTask'] = $this->_getCommand($this->getUrl());

$options['selector'] = $options['selector'] ?? 'modal-' . $this->getName();
	}

/**
	 * Fetch the HTML for the button
	 *
	 * @param   string   $type          Unused string, formerly button type.
	 * @param   string   $name          Modal name, used to generate element ID
	 * @param   string   $text          The link text
	 * @param   string   $url           URL for popup
	 * @param   integer  $iframeWidth   Width of popup
	 * @param   integer  $iframeHeight  Height of popup
	 * @param   integer  $bodyHeight    Optional height of the modal body in viewport units (vh)
	 * @param   integer  $modalWidth    Optional width of the modal in viewport units (vh)
	 * @param   string   $onClose       JavaScript for the onClose event.
	 * @param   string   $title         The title text
	 * @param   string   $footer        The footer html
	 *
	 * @return  string  HTML string for the button
	 *
	 * @since   3.0
	 */
	public function fetchButton($type = 'Modal', $name = '', $text = '', $url = '', $iframeWidth = 640,
		$iframeHeight = 480, $bodyHeight = null, $modalWidth = null, $onClose = '', $title = '', $footer = null
	)
	{
		$this->name($name)
			->text($text)
			->task($this->_getCommand($url))
			->url($url)
			->icon('icon-' . $name)
			->iframeWidth($iframeWidth)
			->iframeHeight($iframeHeight)
			->bodyHeight($bodyHeight)
			->modalWidth($modalWidth)
			->onclose($onClose)
			->title($title)
			->footer($footer);

return $this->renderButton($this->options);
	}

/**
	 * Render button HTML.
	 *
	 * @param   array  $options  The button options.
	 *
	 * @return  string  The button HTML.
	 *
	 * @since   4.0.0
	 */
	protected function renderButton(array &$options): string
	{
		$html = [];

$html[] = parent::renderButton($options);

if ((string) $this->getUrl() !== '')
		{
			// Build the options array for the modal
			$params = array();
			$params['title']      = $options['title'] ?? $options['text'];
			$params['url']        = $this->getUrl();
			$params['height']     = $options['iframeHeight'] ?? 480;
			$params['width']      = $options['iframeWidth'] ?? 640;
			$params['bodyHeight'] = $options['bodyHeight'] ?? null;
			$params['modalWidth'] = $options['modalWidth'] ?? null;

// Place modal div and scripts in a new div
			$html[] = '<div class="btn-group" style="width: 0; margin: 0; padding: 0;">';

$selector = $options['selector'];

$footer = $this->getFooter();

if ($footer !== null)
			{
				$params['footer'] = $footer;
			}

$html[] = HTMLHelper::_('bootstrap.renderModal', $selector, $params);

$html[] = '</div>';

// We have to move the modal, otherwise we get problems with the backdrop
			// TODO: There should be a better workaround than this
			Factory::getDocument()->addScriptDeclaration(
				<<<JS
document.addEventListener('DOMContentLoaded', function() {
  var modal =document.getElementById('{$options['selector']}');
  document.body.appendChild(modal);
  if (Joomla && Joomla.Bootstrap && Joomla.Bootstrap.Methods && Joomla.Bootstrap.Methods.Modal) {
    Joomla.Bootstrap.Methods.Initialise.Modal(modal);
  }
});
JS
			);
		}

// If an $onClose event is passed, add it to the modal JS object
		if ((string) $this->getOnclose() !== '')
		{
			Factory::getDocument()->addScriptDeclaration(
				<<<JS
document.addEventListener('DOMContentLoaded', function() {
	document.querySelector('#{$options['selector']}').addEventListener('hide.bs.modal', function() {
	    {$options['onclose']}
	});
});
JS
			);
		}

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

/**
	 * Get the JavaScript command for the button
	 *
	 * @param   string  $url  URL for popup
	 *
	 * @return  string  JavaScript command string
	 *
	 * @since   3.0
	 */
	private function _getCommand($url)
	{
		if (strpos($url, 'http') !== 0)
		{
			$url = Uri::base() . $url;
		}

return $url;
	}

/**
	 * Method to configure available option accessors.
	 *
	 * @return  array
	 *
	 * @since   4.0.0
	 */
	protected static function getAccessors(): array
	{
		return array_merge(
			parent::getAccessors(),
			[
				'url',
				'iframeWidth',
				'iframeHeight',
				'bodyHeight',
				'modalWidth',
				'onclose',
				'title',
				'footer',
				'selector',
				'listCheck',
			]
		);
	}
}