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How to build your widget for WordPress, presented at WordCamp Nashville 2013 by Chris Wilcoxson of Slushman Design.
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Building YourFirst Widget
Chris Wilcoxson
slushman.com
Wo rd C a m p N a s h v i l l e 2 0 1 3
Who am I?
slushman
Mike Curb College of Entertainment & Music Business
Photo Source: http://citylifechurch.org.uk
Plugin NamePlugin URIDescriptionVersionAuthorAuthor URILicense
Plugin Name: Boilerplate Widget
Plugin URI: http://slushman.com/plugins/boilerplate-widget
Description: Boilerplate code to start building your widget.
Version: 0.1
Author: Slushman
Author URI: http://www.slushman.com
License: GPLv2
***********************************************************************
Copyright (C) 2013 Slushman
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General License for more details.templates/classic.php
You should have received a copy of the GNU General License along with this program. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
class boilerplate_widget extends WP_Widget {
What is a class?
Instances
class boilerplate_widget extends WP_Widget {
function __construct() {
$name = __( 'Slushman Boilerplate' );
$opts['description’] = __( 'Create your own widget using this code.', 'slushman-boilerplate-widget' );
$opts[‘classname’] = ‘’;
$control = array( ‘width’ => ‘’, ‘height’ => ‘’ ); parent::__construct( false, $name, $opts, $control );
} // End of __construct function
function __construct() {
$name = __( 'Slushman Boilerplate' );
$opts['description'] = __( 'Create your own widget using this code!.', 'slushman-boilerplate-widget' );
$opts[‘classname’] = ‘’;
$control = array( ‘width’ => ‘’, ‘height’ => ‘’ ); parent::__construct( false, $name, $opts, $control );
} // End of __construct function
function __construct() {
$name = __( 'Slushman Boilerplate' );
$opts['description'] = __( 'Create your own widget using this code!.', 'slushman-boilerplate-widget' );
$opts[‘classname’] = ‘’; $control = array( ‘width’ => ‘’, ‘height’ => ‘’ );
parent::__construct( false, $name, $opts, $control );
} // End of __construct function
function form( $instance ) {
$defaults['title'] = 'Boilerplate Widget';
$instance = wp_parse_args( (array) $instance, $defaults );
function form( $instance ) {
$defaults['title'] = 'Boilerplate Widget';
$instance = wp_parse_args( (array) $instance, $defaults );
$textfield = 'title’;
echo '<p><label for="’ . $this->get_field_id( $textfield ) . '">’ . __( ucwords( $textfield ) ) . ': <input class="widefat” id="’ . $this->get_field_id( $textfield ) . '” name="’ . $this->get_field_name( $textfield ) . '” type="text” value="’ . esc_attr( $instance[$textfield] ) . '" /></label>';
} // End of form function
$textfield = 'title’;
echo '<p>
<label for="’ .
$this->get_field_id( $textfield ) . '">’ .
__( ucwords( $textfield ) ) . ‘
<input class="widefat”
id="’ . $this->get_field_id( $textfield ) . '”
name="’ . $this->get_field_name( $textfield ) . ’”
type="text”
value="’ . esc_attr( $instance[$textfield] ) . '" />
</label>';
} // End of form function
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field( $new_instance['title'] );
return $instance; } // End of update function
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field( $new_instance['title'] );
return $instance; } // End of update function
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field( $new_instance['title'] );
return $instance; } // End of update function
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field( $new_instance['title'] );
return $instance; } // End of update function
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field( $new_instance['title'] );
return $instance; } // End of update function
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = sanitize_text_field( $new_instance['title'] );
return $instance; } // End of update function
function widget( $args, $instance ) {
extract( $args );
echo $before_widget; $title = ( !empty( $instance['title'] ) ?
apply_filters( 'widget_title', $instance['title'] ) : '' ); echo ( !empty( $title ) ? $before_title . $title .
$after_title : '' ); echo '<div id="sidebar-me">';
function widget( $args, $instance ) {
extract( $args );
echo $before_widget; $title = ( !empty( $instance['title'] ) ?
apply_filters( 'widget_title', $instance['title'] ) : '' ); echo ( !empty( $title ) ? $before_title . $title .
$after_title : '' ); echo '<div id="sidebar-me">';
function widget( $args, $instance ) {
extract( $args );
echo $before_widget; $title = ( !empty( $instance['title'] ) ?
apply_filters( 'widget_title', $instance['title'] ) : '' ); echo ( !empty( $title ) ? $before_title . $title .
$after_title : '' ); echo '<div id="sidebar-me">';
function widget( $args, $instance ) {
extract( $args );
echo $before_widget; $title = ( !empty( $instance['title'] ) ?
apply_filters( 'widget_title', $instance['title'] ) : '' ); echo ( !empty( $title ) ? $before_title . $title .
$after_title : '' ); echo '<div id="sidebar-me">';
function widget( $args, $instance ) {
extract( $args );
echo $before_widget; $title = ( !empty( $instance['title'] ) ?
apply_filters( 'widget_title', $instance['title'] ) : '' ); echo ( !empty( $title ) ? $before_title . $title .
$after_title : '' ); echo '<div id="sidebar-me">';
function widget( $args, $instance ) {
extract( $args );
echo $before_widget; $title = ( !empty( $instance['title'] ) ?
apply_filters( 'widget_title', $instance['title'] ) : '' ); echo ( !empty( $title ) ? $before_title . $title .
$after_title : '' ); echo '<div id="sidebar-me">';
???
echo '</div><!-- End of #sidebar-me -->'; echo $after_widget; } // End of widget function
} // End of boilerplate_widget class
add_action( 'widgets_init', 'slushman_boilerplate_widget_init' );
function slushman_boilerplate_widget_init() {
register_widget( 'boilerplate_widget' );
} // End of slushman_boilerplate_widget_init()
add_action( 'widgets_init', 'slushman_boilerplate_widget_init' );
function slushman_boilerplate_widget_init() {
register_widget( 'boilerplate_widget' );
} // End of slushman_boilerplate_widget_init()
add_action( 'widgets_init', 'slushman_boilerplate_widget_init' );
function slushman_boilerplate_widget_init() {
register_widget( 'boilerplate_widget' );
} // End of slushman_boilerplate_widget_init()
What’s inYour widget?
Photo Source: http://poweredbyosteons.org/
Demo Widget
Questions?
