social widget

gistfile1.php

<?php
/**
 * Core Functionality Plugin
 * 
 * @package    CoreFunctionality
 * @since      1.0.0
 * @copyright  Copyright (c) 2014, Bill Erickson & Jared Atchison
 * @license    GPL-2.0+
 */

/**
 * Social widget
 *
 * @since 1.0.0
 */
class EA_Social_Widget extends WP_Widget {

	/**
	 * Holds widget settings defaults, populated in constructor.
	 *
	 * @since 1.0.0
	 * @var array
	 */
	protected $defaults;

	/**
	 * Constructor
	 *
	 * @since 1.0.0
	 */
	function __construct() {

		// widget defaults
		$this->defaults = array(
			'title'      => '',
			'twitter'    => '',
			'facebook'   => '',
			'pinterest'  => '',
			'google'     => '',
			'linkedin'   => '',
		);

		// widget basics
		$widget_ops = array(
			'classname'   => 'ea-social-widget',
			'description' => ''
		);

		// widget controls
		$control_ops = array(
			'id_base' => 'ea-social-widget',
			//'width'   => '400',
		);

		// load widget
		$this->WP_Widget( 'ea-social-widget', 'Social Icons', $widget_ops, $control_ops );

	}

	/**
	 * Outputs the HTML for this widget.
	 *
	 * @since 1.0.0
	 * @param array $args An array of standard parameters for widgets in this theme 
	 * @param array $instance An array of settings for this widget instance 
	 */
	function widget( $args, $instance ) {

		extract( $args );

		// Merge with defaults
		$instance = wp_parse_args( (array) $instance, $this->defaults );

		echo $before_widget;

			// Title
			if ( !empty( $instance['title'] ) ) { 
				echo $before_title . $instance['title'] . $after_title;
			}

			echo '<ul>';

				// Twitter
				if ( !empty( $instance['twitter'] ) ) {
					echo '<li class="twitter"><a href="' . esc_html( $instance['twitter'] ) . '" target="_blank">Twitter</a></li>';
				}
				// Facebook
				if ( !empty( $instance['facebook'] ) ) {
					echo '<li class="facebook"><a href="' . esc_html( $instance['facebook'] ) . '" target="_blank">Facebook</a></li>';
				}
				// Pinterest
				if ( !empty( $instance['pinterest'] ) ) {
					echo '<li class="pinterest"><a href="' . esc_html( $instance['pinterest'] ) . '" target="_blank">Pinterest</a></li>';
				}
				// Google+
				if ( !empty( $instance['google'] ) ) {
					echo '<li class="google"><a href="' . esc_html( $instance['google'] ) . '" target="_blank">Google+</a></li>';
				}
				// LinkedIn
				if ( !empty( $instance['linkedin'] ) ) {
					echo '<li class="linkedin"><a href="' . esc_html( $instance['linkedin'] ) . '" target="_blank">LinkedIn</a></li>';
				}

			echo '</ul>';

		echo $after_widget;
	}

	/**
	 * Deals with the settings when they are saved by the admin. Here is
	 * where any validation should be dealt with.
	 *
	 * @since 1.0.0
	 * @param array $new_instance An array of new settings as submitted by the admin
	 * @param array $old_instance An array of the previous settings 
	 * @return array The validated and (if necessary) amended settings
	 */
	function update( $new_instance, $old_instance ) {

		$new_instance['title']      = strip_tags( $new_instance['title'] );
		$new_instance['twitter']    = esc_url_raw( $new_instance['twitter'] );
		$new_instance['facebook']   = esc_url_raw( $new_instance['facebook'] );
		$new_instance['pinterest']  = esc_url_raw( $new_instance['pinterest'] );
		$new_instance['google']     = esc_url_raw( $new_instance['google'] );
		$new_instance['linkedin']   = esc_url_raw( $new_instance['linkedin'] );

		return $new_instance;
	}

	/**
	 * Displays the form for this widget on the Widgets page of the WP Admin area.
	 *
	 * @since 1.0.0
	 * @param array $instance An array of the current settings for this widget
	 */
	function form( $instance ) {

		// Merge with defaults
		$instance = wp_parse_args( (array) $instance, $this->defaults );
		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>">Title:</label>
			<input type="text" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'twitter' ); ?>">Twitter:</label>
			<input type="text" id="<?php echo $this->get_field_id( 'twitter' ); ?>" name="<?php echo $this->get_field_name( 'twitter' ); ?>" value="<?php echo esc_attr( $instance['twitter'] ); ?>" class="widefat" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'facebook' ); ?>">Facebook:</label>
			<input type="text" id="<?php echo $this->get_field_id( 'facebook' ); ?>" name="<?php echo $this->get_field_name( 'facebook' ); ?>" value="<?php echo esc_attr( $instance['facebook'] ); ?>" class="widefat" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'pinterest' ); ?>">Pinterest:</label>
			<input type="text" id="<?php echo $this->get_field_id( 'pinterest' ); ?>" name="<?php echo $this->get_field_name( 'pinterest' ); ?>" value="<?php echo esc_attr( $instance['pinterest'] ); ?>" class="widefat" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'google' ); ?>">Google+:</label>
			<input type="text" id="<?php echo $this->get_field_id( 'google' ); ?>" name="<?php echo $this->get_field_name( 'google' ); ?>" value="<?php echo esc_attr( $instance['google'] ); ?>" class="widefat" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'linkedin' ); ?>">LinkedIn:</label>
			<input type="text" id="<?php echo $this->get_field_id( 'linkedin' ); ?>" name="<?php echo $this->get_field_name( 'linkedin' ); ?>" value="<?php echo esc_attr( $instance['linkedin'] ); ?>" class="widefat" />
		</p>
		<?php
	}
}
add_action( 'widgets_init', create_function( '', "register_widget('EA_Social_Widget');" ) );