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widgets.php
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widgets.php
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<?php
/**
* Setup the Largo custom widgets
*
* @package Largo
* @since 1.0
*/
function largo_widgets() {
$unregister = array(
'WP_Widget_Pages',
'WP_Widget_Calendar',
'WP_Widget_Links',
'WP_Widget_Tag_Cloud',
'WP_Widget_Meta',
'WP_Widget_Recent_Comments',
'WP_Widget_Recent_Posts'
);
foreach ( $unregister as $widget ) {
unregister_widget( $widget );
}
$register = array(
'largo_about_widget' => '/inc/widgets/largo-about.php',
'largo_donate_widget' => '/inc/widgets/largo-donate.php',
'largo_facebook_widget' => '/inc/widgets/largo-facebook.php',
'largo_follow_widget' => '/inc/widgets/largo-follow.php',
'largo_image_widget' => '/inc/widgets/largo-image-widget.php',
'largo_recent_comments_widget' => '/inc/widgets/largo-recent-comments.php',
'largo_recent_posts_widget' => '/inc/widgets/largo-recent-posts.php',
'largo_taxonomy_list_widget' => '/inc/widgets/largo-taxonomy-list.php',
'largo_twitter_widget' => '/inc/widgets/largo-twitter.php',
'largo_related_posts_widget' => '/inc/widgets/largo-related-posts.php',
'largo_author_widget' => '/inc/widgets/largo-author-bio.php',
'largo_tag_list_widget' => '/inc/widgets/largo-tag-list.php',
'largo_prev_next_post_links_widget' => '/inc/widgets/largo-prev-next-post-links.php',
'largo_staff_widget' => '/inc/widgets/largo-staff.php'
);
// If series are enabled
if ( of_get_option('series_enabled') !== false ) {
$register['largo_series_posts_widget'] = '/inc/widgets/largo-series-posts.php';
$register['largo_post_series_links_widget'] = '/inc/widgets/largo-post-series-links.php';
}
/* If disclaimer is enabled */
if( of_get_option('disclaimer_enabled') )
$register['largo_disclaimer_widget'] = '/inc/widgets/largo-disclaimer-widget.php';
foreach ( $register as $key => $val ) {
require_once( get_template_directory() . $val );
register_widget( $key );
}
}
add_action( 'widgets_init', 'largo_widgets', 1 );
/**
* Add custom CSS classes to sidebar widgets
*
* In addition to the usual WordPress widget classes, we add:
* - iterative classes (widget-1, widget-2, etc.) reset for each sidebar
* - odd/even classes
* - default/rev/no-bg classes
* - Bootstrap's responsive classes
* To give use a lot more styling hooks
*
* Partially adapted from Illimar Tambek's Widget Title Links plugin
* https://github.com/ragulka/widget-title-links
*
* @package Largo
* @since 1.0
*/
function largo_add_widget_classes( $params ) {
global $wp_registered_widgets;
$widget_id = $params[0]['widget_id'];
$widget = $wp_registered_widgets[$widget_id];
$number = $widget['params'][0]['number'];
$option_name = get_option($widget['callback'][0]->option_name);
global $widget_num;
// Widget class
$class = array();
$class[] = 'widget';
// Iterated class
$widget_num++;
$class[] = 'widget-' . $widget_num;
// Alt class
if ($widget_num % 2)
$class[] = 'odd';
else
$class[] = 'even';
// Default, Reverse or No Background Classes (used as CSS hooks)
if (!empty($option_name[$number]['widget_class']))
$class[] = $option_name[$number]['widget_class'];
// Bootstrap responsive classes to control display of content on various screen sizes
if (array_key_exists('hidden_desktop', $option_name[$number]) && $option_name[$number]['hidden_desktop'] === 1)
$class[] = 'hidden-desktop';
if (array_key_exists('hidden_tablet', $option_name[$number]) && $option_name[$number]['hidden_tablet'] === 1)
$class[] = 'hidden-tablet';
if (array_key_exists('hidden_phone', $option_name[$number]) && $option_name[$number]['hidden_phone'] === 1)
$class[] = 'hidden-phone';
// Join the classes in the array
$class = join(' ', $class);
// Interpolate the 'my_widget_class' placeholder
$params[0]['before_widget'] = preg_replace('/class="/', 'class="' . $class . ' ', $params[0]['before_widget']);
return $params;
}
add_filter('dynamic_sidebar_params', 'largo_add_widget_classes');
/**
* Resets the counter for each subsequent sidebar
*
* @since 1.0
*/
function largo_widget_counter_reset() {
global $widget_num;
$widget_num = 0;
}
add_action('dynamic_sidebar_after', 'largo_widget_counter_reset', 99);
add_action('get_sidebar', 'largo_widget_counter_reset', 99);
/**
* Add custom fields to widget forms
*
* @since 1.0
* @uses add_action() 'in_widget_form'
*/
function largo_widget_custom_fields_form( $widget, $args, $instance ) {
$desktop = ! empty( $instance['hidden_desktop'] ) ? 'checked="checked"' : '';
$tablet = ! empty( $instance['hidden_tablet'] ) ? 'checked="checked"' : '';
$phone = ! empty( $instance['hidden_phone'] ) ? 'checked="checked"' : '';
?>
<label for="<?php echo $widget->get_field_id( 'widget_class' ); ?>"><?php _e('Widget Background', 'largo'); ?></label>
<select id="<?php echo $widget->get_field_id('widget_class'); ?>" name="<?php echo $widget->get_field_name('widget_class'); ?>" class="widefat" style="width:90%;">
<option <?php selected( $instance['widget_class'], 'default'); ?> value="default"><?php _e('Default', 'largo'); ?></option>
<option <?php selected( $instance['widget_class'], 'rev'); ?> value="rev"><?php _e('Reverse', 'largo'); ?></option>
<option <?php selected( $instance['widget_class'], 'no-bg'); ?> value="no-bg"><?php _e('No Background', 'largo'); ?></option>
</select>
<p style="margin:15px 0 10px 5px">
<input class="checkbox" type="checkbox" <?php echo $desktop; ?> id="<?php echo $widget->get_field_id('hidden_desktop'); ?>" name="<?php echo $widget->get_field_name('hidden_desktop'); ?>" /> <label for="<?php echo $widget->get_field_id('hidden_desktop'); ?>"><?php _e('Hidden on Desktops?', 'largo'); ?></label>
<br />
<input class="checkbox" type="checkbox" <?php echo $tablet; ?> id="<?php echo $widget->get_field_id('hidden_tablet'); ?>" name="<?php echo $widget->get_field_name('hidden_tablet'); ?>" /> <label for="<?php echo $widget->get_field_id('hidden_tablet'); ?>"><?php _e('Hidden on Tablets?', 'largo'); ?></label>
<br />
<input class="checkbox" type="checkbox" <?php echo $phone; ?> id="<?php echo $widget->get_field_id('hidden_phone'); ?>" name="<?php echo $widget->get_field_name('hidden_phone'); ?>" /> <label for="<?php echo $widget->get_field_id('hidden_phone'); ?>"><?php _e('Hidden on Phones?', 'largo'); ?></label>
</p>
<p>
<label for="<?php echo $widget->get_field_id('title_link'); ?>"><?php _e('Widget Title Link <small class="description">(Example: https://google.com)</small>', 'largo'); ?></label>
<input type="text" name="<?php echo $widget->get_field_name('title_link'); ?>" id="<?php echo $widget->get_field_id('title_link'); ?>"" class="widefat" value="<?php echo esc_attr( $instance['title_link'] ); ?>"" />
</p>
<?php
}
add_action('in_widget_form', 'largo_widget_custom_fields_form', 1, 3);
/**
* Register widget custom fields
*
* @since 1.0
* @uses add_filter() 'widget_form_callback'
*/
function largo_register_widget_custom_fields ( $instance, $widget ) {
if ( !isset($instance['widget_class']) )
$instance['widget_class'] = 'default';
if ( !isset($instance['hidden_desktop']) )
$instance['hidden_desktop'] = null;
if ( !isset($instance['hidden_tablet']) )
$instance['hidden_tablet'] = null;
if ( !isset($instance['hidden_phone']) )
$instance['hidden_phone'] = null;
if ( !isset($instance['title_link']) )
$instance['title_link'] = null;
return $instance;
}
add_filter('widget_form_callback', 'largo_register_widget_custom_fields', 10, 2);
/**
* Add additional fields to widget update callback
*
* @since 1.0
* @uses add_filter() 'widget_update_callback'
*/
function largo_widget_update_extend ( $instance, $new_instance ) {
$instance['widget_class'] = sanitize_key( $new_instance['widget_class'] );
$instance['hidden_desktop'] = ! empty( $new_instance['hidden_desktop'] ) ? 1 : 0;
$instance['hidden_tablet'] = ! empty( $new_instance['hidden_tablet'] ) ? 1 : 0;
$instance['hidden_phone'] = ! empty( $new_instance['hidden_phone'] ) ? 1 : 0;
$instance['title_link'] = esc_url_raw( $new_instance['title_link'] );
return $instance;
}
add_filter( 'widget_update_callback', 'largo_widget_update_extend', 10, 2 );
/**
* Make it possible for widget titles to be links
*
* @since 1.0
* @uses add_filter() 'widget_title'
*/
function largo_add_link_to_widget_title( $title, $instance = null ) {
if (!empty($title) && !empty($instance['title_link'])) {
$title = '<a href="' . esc_url( $instance['title_link'] ) . '">' . $title . '</a>';
}
return $title;
}
add_filter( 'widget_title', 'largo_add_link_to_widget_title', 99, 2 );
/**
* Check to see if a widget area is registered and has widgets assigned
*
* @since 0.5.2
*/
function largo_is_sidebar_registered_and_active($sidebar) {
$sidebars_widgets = get_option('sidebars_widgets', array());
if (in_array($sidebar, array_keys($sidebars_widgets))) {
if (count($sidebars_widgets[$sidebar]) > 0)
return true;
}
return false;
}
/**
* When activating the theme, make sure the article bottom widget area has widgets assigned
*
* @since 0.5.3
*/
function largo_populate_article_bottom_widget_area($theme) {
// If the old article bottom settings are present, we'll skip populating the article bottom
// area as those are handled during the migration/update.
$old_largo_article_bottom_settings = array(
'show_tags', 'show_author_box', 'show_related_content', 'show_next_prev_nav_single');
$old_largo_article_bottom_settings_check = false;
foreach ($old_largo_article_bottom_settings as $option_name) {
$option = of_get_option($option_name);
if (!empty($option)) {
$old_largo_article_bottom_settings_check = true;
break;
}
}
if ($old_largo_article_bottom_settings_check)
return;
// Otherwise, if there's no largo_version or the 'article-bottom' area is empty,
// we're on a clean install and should set the default widgets
if (!of_get_option('largo_version') || !is_active_sidebar('article-bottom')) {
largo_instantiate_widget('largo-author', array(), 'article-bottom');
largo_instantiate_widget('largo-related-posts', array(), 'article-bottom');
}
}
add_action('after_switch_theme', 'largo_populate_article_bottom_widget_area');