<?php
add_action( 'widgets_init', 'author_custom_widget' );
function author_custom_widget() {
	register_widget( 'author_custom' );
}
class author_custom extends WP_Widget {

	public function __construct(){
		$widget_ops = array( 'classname' => 'author-custom'  );
		$control_ops = array( 'width' => 250, 'height' => 350, 'id_base' => 'author-custom-widget' );
		parent::__construct( 'author-custom-widget',theme_name .' - Custom Author Content', $widget_ops, $control_ops );
	}

	public function widget( $args, $instance ) {
		extract( $args );

		$title = apply_filters( 'widget_title', empty( $instance['text_html_title'] ) ? '' : $instance['text_html_title'], $instance, $this->id_base );
		$tran_bg = $instance['tran_bg'];
		$center = $instance['center'];

		if ($center)
			$center = 'style="text-align:center;"';
		else
			$center = '';

		wp_reset_query();
		if ( get_the_author_meta( 'author_widget_content' ) && is_single() ) {
			$text_code = get_the_author_meta( 'author_widget_content' );
			if( !$tran_bg ){
				echo $before_widget;
				echo $before_title;
				echo $title ;
				echo $after_title;
				echo '<div '.$center.'>';
				echo do_shortcode( $text_code ) .'
					</div><div class="clear"></div>';
				echo $after_widget;
			}
			else {?>
				<div class="text-html-box" <?php echo $center ?>>
				<?php echo do_shortcode( $text_code ) ?>
				</div>
			<?php
			}
		}
	}

	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['text_html_title'] = strip_tags( $new_instance['text_html_title'] );
		$instance['tran_bg'] = strip_tags( $new_instance['tran_bg'] );
		$instance['center'] = strip_tags( $new_instance['center'] );
		return $instance;
	}

	public function form( $instance ) {
		//$defaults = array( 'text_html_title' =>__('Text' , 'tie')  );
		//$instance = wp_parse_args( (array) $instance, $defaults ); ?>
		<p><em style="color:red;">This Widget appears in single post only .</em></p>

		<p>
			<label for="<?php echo $this->get_field_id( 'text_html_title' ); ?>">Title : </label>
			<input id="<?php echo $this->get_field_id( 'text_html_title' ); ?>" name="<?php echo $this->get_field_name( 'text_html_title' ); ?>" value="<?php if( !empty($instance['text_html_title']) ) echo $instance['text_html_title']; ?>" class="widefat" type="text" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'tran_bg' ); ?>">Transparent Background :</label>
			<input id="<?php echo $this->get_field_id( 'tran_bg' ); ?>" name="<?php echo $this->get_field_name( 'tran_bg' ); ?>" value="true" <?php if( !empty($instance['tran_bg']) ) echo 'checked="checked"'; ?> type="checkbox" />
			<br /><small>if this active the title will disappear</small>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'center' ); ?>">Center content :</label>
			<input id="<?php echo $this->get_field_id( 'center' ); ?>" name="<?php echo $this->get_field_name( 'center' ); ?>" value="true" <?php if( !empty($instance['center']) ) echo 'checked="checked"'; ?> type="checkbox" />
		</p>



	<?php
	}
}
?>