<?php
/**
 * @author JoomlaShine.com Team
 * @copyright JoomlaShine.com
 * @link joomlashine.com
 * @package JSN ImageShow
 * @version $Id$
 * @license GNU/GPL v2 http://www.gnu.org/licenses/gpl-2.0.html
 */
defined('_JEXEC') or die('Restricted access');

class JFormFieldJSNISShowDescription extends JFormField
{
	/**
	 * The form field type.
	 *
	 * @var    string
	 * @since  11.1
	 */
	protected $type = 'JSNISShowDescription';

	/**
	 * Method to get the radio button field input markup.
	 *
	 * @return  string  The field input markup.
	 *
	 * @since   11.1
	 */
	protected function getInput()
	{
		$doc = JFactory::getDocument();
		$doc->addScriptDeclaration("
				window.addEvent('domready', function() {
					var showDescription = ".$this->value.";
					var lblDescriptionWordLimitation 	= $('jform_params_description_word_limitation-lbl');
					var eleParent 						= lblDescriptionWordLimitation.getParent();
					if (showDescription == 1)
					{
						eleParent.setStyle('display', 'block');
					}
					else
					{
						eleParent.setStyle('display', 'none');
					}
					$$('#jform_params_show_description1').addEvent('click',function(){
							eleParent.setStyle('display', 'block');
					});

					$$('#jform_params_show_description0').addEvent('click',function(){
							eleParent.setStyle('display', 'none');
					});

				});
			");

		// Initialize variables.
		$html = array();

		// Initialize some field attributes.
		$class = $this->element['class'] ? ' class="radio ' . (string) $this->element['class'] . '"' : ' class="radio"';

		// Start the radio field output.
		$html[] = '<fieldset id="' . $this->id . '"' . $class . '>';

		// Get the field options.
		$options = $this->getOptions();

		// Build the radio field output.
		foreach ($options as $i => $option)
		{

			// Initialize some option attributes.
			$checked = ((string) $option->value == (string) $this->value) ? ' checked="checked"' : '';
			$class = !empty($option->class) ? ' class="' . $option->class . '"' : '';
			$disabled = !empty($option->disable) ? ' disabled="disabled"' : '';

			// Initialize some JavaScript option attributes.
			$onclick = !empty($option->onclick) ? ' onclick="' . $option->onclick . '"' : '';

			$html[] = '<input type="radio" id="' . $this->id . $i . '" name="' . $this->name . '"' . ' value="'
				. htmlspecialchars($option->value, ENT_COMPAT, 'UTF-8') . '"' . $checked . $class . $onclick . $disabled . '/>';

			$html[] = '<label for="' . $this->id . $i . '"' . $class . '>'
				. JText::alt($option->text, preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname)) . '</label>';
		}

		// End the radio field output.
		$html[] = '</fieldset>';

		return implode($html);
	}

	/**
	 * Method to get the field options for radio buttons.
	 *
	 * @return  array  The field option objects.
	 *
	 * @since   11.1
	 */
	protected function getOptions()
	{
		// Initialize variables.
		$options = array();

		foreach ($this->element->children() as $option)
		{

			// Only add <option /> elements.
			if ($option->getName() != 'option')
			{
				continue;
			}

			// Create a new option object based on the <option /> element.
			$tmp = JHtml::_(
				'select.option', (string) $option['value'], trim((string) $option), 'value', 'text',
				((string) $option['disabled'] == 'true')
			);

			// Set some option attributes.
			$tmp->class = (string) $option['class'];

			// Set some JavaScript option attributes.
			$tmp->onclick = (string) $option['onclick'];

			// Add the option object to the result set.
			$options[] = $tmp;
		}

		reset($options);

		return $options;
	}
}
