<?php

class acf_field_radio extends acf_field
{
	/*
	*  __construct
	*
	*  Set name / label needed for actions / filters
	*
	*  @since	3.6
	*  @date	23/01/13
	*/
	
	function __construct()
	{
		// vars
		$this->name = 'radio';
		$this->label = __("Radio Button",'acf');
		$this->category = __("Choice",'acf');
		$this->defaults = array(
			'layout'		=>	'vertical',
			'choices'		=>	array(),
			'default_value'	=>	'',
		);
		
		
		// do not delete!
    	parent::__construct();
  
	}
	
		
	/*
	*  create_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param	$field - an array holding all the field's data
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/
	
	function create_field( $field )
	{
		// vars
		echo '<ul class="radio_list ' . $field['class'] . ' ' . $field['layout'] . '">';
		

		$i = 0;
		if( $field['choices'] )
		{
			foreach( $field['choices'] as $key => $value )
			{
				// vars
				$i++;
				$selected = '';
				
				
				// if there is no value and this is the first of the choices, select this on by default
				if( $field['value'] === false )
				{
					if( $i === 1 )
					{
						$selected = 'checked="checked" data-checked="checked"';
					}
				}
				else
				{
					if( strval($key) === strval($field['value']) )
					{
						$selected = 'checked="checked" data-checked="checked"';
					}
				}
				
				
				// HTML
				echo '<li><label><input id="' . $field['id'] . '-' . $key . '" type="radio" name="' . $field['name'] . '" value="' . $key . '" ' . $selected . ' />' . $value . '</label></li>';
			}
		}


		echo '</ul>';
	}
	
	
	/*
	*  create_options()
	*
	*  Create extra options for your field. This is rendered when editing a field.
	*  The value of $field['name'] can be used (like bellow) to save extra data to the $field
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field	- an array holding all the field's data
	*/
	
	function create_options( $field )
	{
		// vars
		$key = $field['name'];
		
		// implode checkboxes so they work in a textarea
		if( is_array($field['choices']) )
		{		
			foreach( $field['choices'] as $k => $v )
			{
				$field['choices'][ $k ] = $k . ' : ' . $v;
			}
			$field['choices'] = implode("\n", $field['choices']);
		}
		
		?>
		<tr class="field_option field_option_<?php echo $this->name; ?>">
			<td class="label">
				<label for=""><?php _e("Choices",'acf'); ?></label>
				<p class="description"><?php _e("Enter your choices one per line",'acf'); ?><br />
				<br />
				<?php _e("Red",'acf'); ?><br />
				<?php _e("Blue",'acf'); ?><br />
				<br />
				<?php _e("red : Red",'acf'); ?><br />
				<?php _e("blue : Blue",'acf'); ?><br />
				</p>
			</td>
			<td>
				<?php
				
				do_action('acf/create_field', array(
					'type'	=>	'textarea',
					'class' => 	'textarea field_option-choices',
					'name'	=>	'fields['.$key.'][choices]',
					'value'	=>	$field['choices'],
				));
				
				?>
			</td>
		</tr>
		<tr class="field_option field_option_<?php echo $this->name; ?>">
			<td class="label">
				<label><?php _e("Default Value",'acf'); ?></label>
			</td>
			<td>
				<?php
				
				do_action('acf/create_field', array(
					'type'	=>	'text',
					'name'	=>	'fields['.$key.'][default_value]',
					'value'	=>	$field['default_value'],
				));
				
				?>
			</td>
		</tr>
		<tr class="field_option field_option_<?php echo $this->name; ?>">
			<td class="label">
				<label for=""><?php _e("Layout",'acf'); ?></label>
			</td>
			<td>
				<?php
				
				do_action('acf/create_field', array(
					'type'	=>	'radio',
					'name'	=>	'fields['.$key.'][layout]',
					'value'	=>	$field['layout'],
					'layout' => 'horizontal', 
					'choices' => array(
						'vertical' => __("Vertical",'acf'), 
						'horizontal' => __("Horizontal",'acf')
					)
				));
				
				?>
			</td>
		</tr>
		<?php
		
	}
	
}

new acf_field_radio();

?>