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display-widgets.php
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display-widgets.php
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<?php
/*
Plugin Name: Display Widgets
Plugin URI: http://strategy11.com/display-widgets/
Description: Adds checkboxes to each widget to show or hide on site pages.
Author: Strategy11
Author URI: http://strategy11.com
Version: 2.04b
*/
/*
// Change the hook this is triggered on with a bit of custom code. Copy and paste into your theme functions.php or a new plugin.
add_filter('dw_callback_trigger', 'dw_callback_trigger');
function dw_callback_trigger(){
return 'wp_head'; //plugins_loaded, after_setup_theme, wp_loaded, wp_head
}
*/
global $dw_plugin;
$dw_plugin = new DWPlugin();
class DWPlugin{
var $transient_name = 'dw_details';
var $checked = array();
var $id_base = '';
var $number = '';
// pages on site
var $pages = array();
// custom post types
var $cposts = array();
// taxonomies
var $taxes = array();
// categories
var $cats = array();
// WPML languages
var $langs = array();
function __construct(){
add_filter('widget_display_callback', array(&$this, 'show_widget'));
// change the hook that triggers widget check
$hook = apply_filters('dw_callback_trigger', 'wp_loaded');
add_action($hook, array(&$this, 'trigger_widget_checks'));
add_action('in_widget_form', array(&$this, 'hidden_widget_options'), 10, 3);
add_filter('widget_update_callback', array(&$this, 'update_widget_options'), 10, 3);
add_action('wp_ajax_dw_show_widget', array(&$this, 'show_widget_options'));
add_action('admin_footer', array(&$this, 'load_js'));
// when a page is saved
add_action('save_post_page', array(&$this, 'delete_transient'));
// when a new category/taxonomy is created
add_action('created_term', array(&$this, 'delete_transient'));
// when a custom post type is added
add_action('update_option_rewrite_rules', array(&$this, 'delete_transient'));
// reset transient after activating the plugin
register_activation_hook(dirname(__FILE__) .'/display-widgets.php', array(&$this, 'delete_transient'));
add_action('plugins_loaded', array(&$this, 'load_lang'));
// get custom Page Walker
$this->page_list = new Walker_Page_List();
}
function trigger_widget_checks() {
add_filter('sidebars_widgets', array(&$this, 'sidebars_widgets'));
}
function show_widget($instance) {
$instance['dw_logged'] = self::show_logged($instance);
// check logged in first
if ( in_array($instance['dw_logged'], array('in', 'out') ) ) {
$user_ID = is_user_logged_in();
if ( ( 'out' == $instance['dw_logged'] && $user_ID ) ||
( 'in' == $instance['dw_logged'] && !$user_ID ) ) {
return false;
}
}
$post_id = get_queried_object_id();
$post_id = self::get_lang_id($post_id, 'page');
if ( is_home() ) {
$show = isset($instance['page-home']) ? $instance['page-home'] : false;
if ( !$show && $post_id ){
$show = isset($instance['page-'. $post_id]) ? $instance['page-'. $post_id] : false;
}
// check if blog page is front page too
if ( !$show && is_front_page() && isset($instance['page-front']) ) {
$show = $instance['page-front'];
}
} else if ( is_front_page() ) {
$show = isset($instance['page-front']) ? $instance['page-front'] : false;
if ( !$show && $post_id ) {
$show = isset($instance['page-'. $post_id]) ? $instance['page-'. $post_id] : false;
}
} else if ( is_category() ) {
$show = isset($instance['cat-'. get_query_var('cat')]) ? $instance['cat-'. get_query_var('cat')] : false;
} else if ( is_tax() ) {
$term = get_queried_object();
$show = isset($instance['tax-'. $term->taxonomy]) ? $instance['tax-'. $term->taxonomy] : false;
unset($term);
} else if ( is_post_type_archive() ) {
$type = get_post_type();
$show = isset($instance['type-'. $type .'-archive']) ? $instance['type-'. $type .'-archive'] : false;
} else if ( is_archive() ) {
$show = isset($instance['page-archive']) ? $instance['page-archive'] : false;
} else if ( is_single() ) {
$type = get_post_type();
if ( $type != 'page' && $type != 'post' ) {
$show = isset($instance['type-'. $type]) ? $instance['type-'. $type] : false;
}
if ( !isset($show) ) {
$show = isset($instance['page-single']) ? $instance['page-single'] : false;
}
if ( !$show ) {
$cats = get_the_category();
foreach ( $cats as $cat ) {
if ($show) break;
$c_id = self::get_lang_id($cat->cat_ID, 'category');
if ( isset($instance['cat-'. $c_id]) ) {
$show = $instance['cat-'. $c_id];
}
unset($c_id);
unset($cat);
}
}
} else if ( is_404() ) {
$show = isset($instance['page-404']) ? $instance['page-404'] : false;
} else if ( is_search() ) {
$show = isset($instance['page-search']) ? $instance['page-search'] : false;
} else if ( $post_id ) {
$show = isset($instance['page-'. $post_id]) ? $instance['page-'. $post_id] : false;
} else {
$show = false;
}
if ( $post_id && !$show && isset($instance['other_ids']) && !empty($instance['other_ids']) ) {
$other_ids = explode(',', $instance['other_ids']);
foreach ( $other_ids as $other_id ) {
if ( $post_id == (int) $other_id ) {
$show = true;
}
}
}
if ( !$show && defined('ICL_LANGUAGE_CODE') ) {
// check for WPML widgets
$show = isset($instance['lang-'. ICL_LANGUAGE_CODE]) ? $instance['lang-'. ICL_LANGUAGE_CODE] : false;
}
if ( !isset($show) ) {
$show = false;
}
$instance['dw_include'] = isset($instance['dw_include']) ? $instance['dw_include'] : 0;
if ( ( $instance['dw_include'] && false == $show ) || ( 0 == $instance['dw_include'] && $show ) ) {
return false;
}
return $instance;
}
function sidebars_widgets($sidebars) {
if ( is_admin() ) {
return $sidebars;
}
global $wp_registered_widgets;
foreach ( $sidebars as $s => $sidebar ) {
if ( $s == 'wp_inactive_widgets' || strpos($s, 'orphaned_widgets') === 0 || empty($sidebar) ) {
continue;
}
foreach ( $sidebar as $w => $widget ) {
// $widget is the id of the widget
if ( !isset($wp_registered_widgets[$widget]) ) {
continue;
}
if ( isset($this->checked[$widget]) ) {
$show = $this->checked[$widget];
} else {
$opts = $wp_registered_widgets[$widget];
$id_base = is_array($opts['callback']) ? $opts['callback'][0]->id_base : $opts['callback'];
if ( !$id_base ) {
continue;
}
$instance = get_option('widget_' . $id_base);
if ( !$instance || !is_array($instance) ) {
continue;
}
if ( isset($instance['_multiwidget']) && $instance['_multiwidget'] ) {
$number = $opts['params'][0]['number'];
if ( !isset($instance[$number]) ) {
continue;
}
$instance = $instance[$number];
unset($number);
}
unset($opts);
$show = self::show_widget($instance);
$this->checked[$widget] = $show ? true : false;
}
if ( !$show ) {
unset($sidebars[$s][$w]);
}
unset($widget);
}
unset($sidebar);
}
return $sidebars;
}
function hidden_widget_options($widget, $return, $instance) {
if ( $_POST && isset($_POST['id_base']) && $_POST['id_base'] == $widget->id_base ) {
// widget was just saved so it's open
self::show_hide_widget_options($widget, $return, $instance);
return;
}
self::register_globals();
$instance['dw_include'] = isset($instance['dw_include']) ? $instance['dw_include'] : 0;
$instance['dw_logged'] = self::show_logged($instance);
$instance['other_ids'] = isset($instance['other_ids']) ? $instance['other_ids'] : '';
?>
<div class="dw_opts">
<input type="hidden" name="<?php echo $widget->get_field_name('dw_include'); ?>" id="<?php echo $widget->get_field_id('dw_include'); ?>" value="<?php echo $instance['dw_include'] ?>" />
<input type="hidden" id="<?php echo $widget->get_field_id('dw_logged'); ?>" name="<?php echo $widget->get_field_name('dw_logged'); ?>" value="<?php echo $instance['dw_logged'] ?>" />
<?php foreach ( $instance as $k => $v ) {
if ( !$v ) {
continue;
}
if ( strpos($k, 'page-') === 0 || strpos($k, 'type-') === 0 || strpos($k, 'cat-') === 0 ||
strpos($k, 'tax-') === 0 || strpos($k, 'lang-') === 0) {
?>
<input type="hidden" id="<?php echo $widget->get_field_id($k); ?>" name="<?php echo $widget->get_field_name($k); ?>" value="<?php echo $v ?>" />
<?php } ?>
<?php } ?>
<input type="hidden" name="<?php echo $widget->get_field_name('other_ids'); ?>" id="<?php echo $widget->get_field_id('other_ids'); ?>" value="<?php echo esc_attr($instance['other_ids']) ?>" />
</div>
<?php
}
function show_widget_options() {
$instance = htmlspecialchars_decode(nl2br(stripslashes($_POST['opts'])));
$instance = json_decode($instance, true);
$this->id_base = $_POST['id_base'];
$this->number = $_POST['widget_number'];
$new_instance = array();
$prefix = 'widget-'. $this->id_base .'['. $this->number .'][';
foreach ( $instance as $k => $v ) {
$n = str_replace( array( $prefix, ']'), '', $v['name']);
$new_instance[$n] = $v['value'];
}
self::show_hide_widget_options($this, '', $new_instance);
die();
}
function show_hide_widget_options($widget, $return, $instance) {
self::register_globals();
$wp_page_types = self::page_types();
$instance['dw_include'] = isset($instance['dw_include']) ? $instance['dw_include'] : 0;
$instance['dw_logged'] = self::show_logged($instance);
$instance['other_ids'] = isset($instance['other_ids']) ? $instance['other_ids'] : '';
?>
<p>
<label for="<?php echo $widget->get_field_id('dw_include'); ?>"><?php _e('Show Widget for:', 'display-widgets') ?></label>
<select name="<?php echo $widget->get_field_name('dw_logged'); ?>" id="<?php echo $widget->get_field_id('dw_logged'); ?>" class="widefat">
<option value=""><?php _e('Everyone', 'display-widgets') ?></option>
<option value="out" <?php echo selected( $instance['dw_logged'], 'out' ) ?>><?php _e('Logged-out users', 'display-widgets') ?></option>
<option value="in" <?php echo selected( $instance['dw_logged'], 'in' ) ?>><?php _e('Logged-in users', 'display-widgets') ?></option>
</select>
</p>
<p>
<select name="<?php echo $widget->get_field_name('dw_include'); ?>" id="<?php echo $widget->get_field_id('dw_include'); ?>" class="widefat">
<option value="0"><?php _e('Hide on checked pages', 'display-widgets') ?></option>
<option value="1" <?php echo selected( $instance['dw_include'], 1 ) ?>><?php _e('Show on checked pages', 'display-widgets') ?></option>
</select>
</p>
<div style="height:150px; overflow:auto; border:1px solid #dfdfdf; padding:5px; margin-bottom:5px;">
<h4 class="dw_toggle" style="cursor:pointer;margin-top:0;"><?php _e('Miscellaneous', 'display-widgets') ?> +/-</h4>
<div class="dw_collapse">
<?php foreach ($wp_page_types as $key => $label){
$instance['page-'. $key] = isset($instance['page-'. $key]) ? $instance['page-'. $key] : false;
?>
<p><input class="checkbox" type="checkbox" <?php checked($instance['page-'. $key], true) ?> id="<?php echo $widget->get_field_id('page-'. $key); ?>" name="<?php echo $widget->get_field_name('page-'. $key); ?>" />
<label for="<?php echo $widget->get_field_id('page-'. $key); ?>"><?php echo $label .' '. __('Page', 'display-widgets') ?></label></p>
<?php } ?>
</div>
<h4 class="dw_toggle" style="cursor:pointer;"><?php _e('Pages') ?> +/-</h4>
<div class="dw_collapse">
<?php
foreach ( $this->pages as $page ) {
$instance['page-'. $page->ID] = isset($instance['page-'. $page->ID]) ? $instance['page-'. $page->ID] : false;
}
// use custom Page Walker to build page list
$args = array( 'instance' => $instance, 'widget' => $widget );
$page_list = $this->page_list->walk( $this->pages, 0, $args );
if( $page_list )
echo '<ul>' . $page_list . '</ul>';
?>
</div>
<?php if ( !empty($this->cposts) ) { ?>
<h4 class="dw_toggle" style="cursor:pointer;"><?php _e('Custom Post Types', 'display-widgets') ?> +/-</h4>
<div class="dw_collapse">
<?php foreach ( $this->cposts as $post_key => $custom_post ) {
$instance['type-'. $post_key] = isset($instance['type-'. $post_key]) ? $instance['type-'. $post_key] : false;
?>
<p><input class="checkbox" type="checkbox" <?php checked($instance['type-'. $post_key], true) ?> id="<?php echo $widget->get_field_id('type-'. $post_key); ?>" name="<?php echo $widget->get_field_name('type-'. $post_key); ?>" />
<label for="<?php echo $widget->get_field_id('type-'. $post_key); ?>"><?php echo stripslashes($custom_post->labels->name) ?></label></p>
<?php
unset($post_key);
unset($custom_post);
} ?>
</div>
<h4 class="dw_toggle" style="cursor:pointer;"><?php _e('Custom Post Type Archives', 'display-widgets') ?> +/-</h4>
<div class="dw_collapse">
<?php foreach ( $this->cposts as $post_key => $custom_post ) {
if ( !$custom_post->has_archive ) {
// don't give the option if there is no archive page
continue;
}
$instance['type-'. $post_key .'-archive'] = isset($instance['type-'. $post_key .'-archive']) ? $instance['type-'. $post_key .'-archive'] : false;
?>
<p><input class="checkbox" type="checkbox" <?php checked($instance['type-'. $post_key.'-archive'], true) ?> id="<?php echo $widget->get_field_id('type-'. $post_key .'-archive'); ?>" name="<?php echo $widget->get_field_name('type-'. $post_key .'-archive'); ?>" />
<label for="<?php echo $widget->get_field_id('type-'. $post_key .'-archive'); ?>"><?php echo stripslashes($custom_post->labels->name) ?> <?php _e('Archive', 'display-widgets') ?></label></p>
<?php } ?>
</div>
<?php } ?>
<h4 class="dw_toggle" style="cursor:pointer;"><?php _e('Categories') ?> +/-</h4>
<div class="dw_collapse">
<?php foreach ( $this->cats as $cat ) {
$instance['cat-'. $cat->cat_ID] = isset($instance['cat-'. $cat->cat_ID]) ? $instance['cat-'. $cat->cat_ID] : false;
?>
<p><input class="checkbox" type="checkbox" <?php checked($instance['cat-'. $cat->cat_ID], true) ?> id="<?php echo $widget->get_field_id('cat-'. $cat->cat_ID); ?>" name="<?php echo $widget->get_field_name('cat-'. $cat->cat_ID); ?>" />
<label for="<?php echo $widget->get_field_id('cat-'. $cat->cat_ID); ?>"><?php echo $cat->cat_name ?></label></p>
<?php
unset($cat);
}
?>
</div>
<?php if ( !empty($this->taxes) ) { ?>
<h4 class="dw_toggle" style="cursor:pointer;"><?php _e('Taxonomies', 'display-widgets') ?> +/-</h4>
<div class="dw_collapse">
<?php foreach ( $this->taxes as $tax ) {
$instance['tax-'. $tax] = isset($instance['tax-'. $tax]) ? $instance['tax-'. $tax] : false;
?>
<p><input class="checkbox" type="checkbox" <?php checked($instance['tax-'. $tax], true) ?> id="<?php echo $widget->get_field_id('tax-'. $tax); ?>" name="<?php echo $widget->get_field_name('tax-'. $tax); ?>" />
<label for="<?php echo $widget->get_field_id('tax-'. $tax); ?>"><?php echo str_replace(array('_','-'), ' ', ucfirst($tax)) ?></label></p>
<?php
unset($tax);
}
?>
</div>
<?php } ?>
<?php if ( !empty($this->langs) ) { ?>
<h4 class="dw_toggle" style="cursor:pointer;"><?php _e('Languages', 'display-widgets') ?> +/-</h4>
<div class="dw_collapse">
<?php foreach ( $this->langs as $lang ) {
$key = $lang['language_code'];
$instance['lang-'. $key] = isset($instance['lang-'. $key]) ? $instance['lang-'. $key] : false;
?>
<p><input class="checkbox" type="checkbox" <?php checked($instance['lang-'. $key], true) ?> id="<?php echo $widget->get_field_id('lang-'. $key); ?>" name="<?php echo $widget->get_field_name('lang-'. $key); ?>" />
<label for="<?php echo $widget->get_field_id('lang-'. $key); ?>"><?php echo $lang['native_name'] ?></label></p>
<?php
unset($lang);
unset($key);
}
?>
</div>
<?php } ?>
<p><label for="<?php echo $widget->get_field_id('other_ids'); ?>"><?php _e('Comma Separated list of IDs of posts not listed above', 'display-widgets') ?>:</label>
<input type="text" value="<?php echo $instance['other_ids'] ?>" name="<?php echo $widget->get_field_name('other_ids'); ?>" id="<?php echo $widget->get_field_id('other_ids'); ?>" />
</p>
</div>
<?php
}
function update_widget_options($instance, $new_instance, $old_instance) {
self::register_globals();
if ( !empty($this->pages) ) {
foreach ($this->pages as $page) {
if ( isset($new_instance['page-'. $page->ID]) ) {
$instance['page-'. $page->ID] = 1;
} else if ( isset($instance['page-'. $page->ID]) ) {
unset($instance['page-'. $page->ID]);
}
unset($page);
}
}
foreach ( $this->cats as $cat ) {
if ( isset($new_instance['cat-'. $cat->cat_ID]) ) {
$instance['cat-'. $cat->cat_ID] = 1;
} else if ( isset($instance['cat-'. $cat->cat_ID]) ){
unset($instance['cat-'. $cat->cat_ID]);
}
unset($cat);
}
if ( !empty($this->cposts) ) {
foreach ( $this->cposts as $post_key => $custom_post ) {
if ( isset($new_instance['type-'. $post_key]) ) {
$instance['type-'. $post_key] = 1;
} else if (isset($instance['type-'. $post_key]) ) {
unset($instance['type-'. $post_key]);
}
if ( isset($new_instance['type-'. $post_key .'-archive']) ) {
$instance['type-'. $post_key .'-archive'] = 1;
} else if ( isset($instance['type-'. $post_key .'-archive']) ) {
unset($instance['type-'. $post_key .'-archive']);
}
unset($custom_post);
}
}
if ( !empty($this->taxes) ) {
foreach ( $this->taxes as $tax ) {
if ( isset($new_instance['tax-'. $tax]) ) {
$instance['tax-'. $tax] = 1;
} else if ( isset($instance['tax-'. $tax]) ) {
unset($instance['tax-'. $tax]);
}
unset($tax);
}
}
if ( !empty($this->langs) ) {
foreach ( $this->langs as $lang ) {
if ( isset($new_instance['lang-'. $lang['language_code'] ]) ) {
$instance['lang-'. $lang['language_code']] = 1;
} else if(isset($instance['lang-'. $lang['language_code']]) ) {
unset($instance['lang-'. $lang['language_code']]);
}
unset($lang);
}
}
$instance['dw_include'] = ( isset($new_instance['dw_include']) && $new_instance['dw_include'] ) ? 1 : 0;
$instance['dw_logged'] = ( isset($new_instance['dw_logged']) && $new_instance['dw_logged'] ) ? $new_instance['dw_logged'] : '';
$instance['other_ids'] = ( isset($new_instance['other_ids']) && $new_instance['other_ids'] ) ? $new_instance['other_ids'] : '';
$page_types = self::page_types();
foreach ( array_keys($page_types) as $page ) {
if ( isset($new_instance['page-'. $page]) ) {
$instance['page-'. $page] = 1;
} else if ( isset($instance['page-'. $page]) ) {
unset($instance['page-'. $page]);
}
}
unset($page_types);
return $instance;
}
function get_field_name($field_name) {
return 'widget-' . $this->id_base . '[' . $this->number . '][' . $field_name . ']';
}
function get_field_id($field_name) {
return 'widget-' . $this->id_base . '-' . $this->number . '-' . $field_name;
}
function load_js() {
global $pagenow;
if ( $pagenow != 'widgets.php' ) {
//only load the js on the widgets page
return;
}
?>
<script type="text/javascript">
/*<![CDATA[*/
jQuery(document).ready(function($){
$('.widgets-holder-wrap').on('click', '.dw_toggle', dw_toggle);
});
jQuery(document.body).bind('click.widgets-toggle', dw_show_opts);
function dw_show_opts(e){
var target = jQuery(e.target);
var widget = target.closest('div.widget');
var inside = widget.children('.widget-inside');
var opts = inside.find('.dw_opts');
if(opts.length == 0){
return;
}
inside.find('.spinner').show();
jQuery.ajax({
type:'POST',url:'<?php echo admin_url( "admin-ajax.php" ) ?>',
data:{
'action':'dw_show_widget',
'opts':JSON.stringify(opts.children('input').serializeArray()),
'id_base':inside.find('input.id_base').val(),
'widget_number':(inside.find('input.multi_number').val() == '') ? inside.find('input.widget_number').val() : inside.find('input.multi_number').val()
},
success:function(html){ opts.replaceWith(html); inside.find('.spinner').hide(); }
});
}
function dw_toggle(){jQuery(this).next('.dw_collapse').toggle();}
/*]]>*/
</script>
<?php
}
function show_logged($instance) {
if ( isset($instance['dw_logged']) ) {
return $instance['dw_logged'];
}
if ( isset($instance['dw_logout']) && $instance['dw_logout'] ) {
$instance['dw_logged'] = 'out';
} else if ( isset($instance['dw_login']) && $instance['dw_login'] ) {
$instance['dw_logged'] = 'in';
} else {
$instance['dw_logged'] = '';
}
return $instance['dw_logged'];
}
function page_types(){
$page_types = array(
'front' => __('Front', 'display-widgets'),
'home' => __('Blog', 'display-widgets'),
'archive' => __('Archives'),
'single' => __('Single Post'),
'404' => '404',
'search' => __('Search'),
);
return $page_types;
}
function register_globals(){
if ( !empty($this->checked) ) {
return;
}
$saved_details = get_transient( $this->transient_name );
if ( $saved_details ) {
foreach ( $saved_details as $k => $d ) {
if ( empty($this->{$k}) ) {
$this->{$k} = $d;
}
unset($k);
unset($d);
}
}
if ( empty($this->pages) ) {
$this->pages = get_posts( array(
'post_type' => 'page', 'post_status' => 'publish',
'numberposts' => -1, 'orderby' => 'title', 'order' => 'ASC',
'fields' => array('ID', 'name'),
));
}
if ( empty($this->cats) ) {
$this->cats = get_categories( array(
'hide_empty' => false,
//'fields' => 'id=>name', //added in 3.8
) );
}
if ( empty($this->cposts) ) {
$this->cposts = get_post_types( array(
'public' => true,
), 'object');
foreach ( array( 'revision', 'post', 'page', 'attachment', 'nav_menu_item' ) as $unset ) {
unset($this->cposts[$unset]);
}
foreach ( $this->cposts as $c => $type ) {
$post_taxes = get_object_taxonomies($c);
foreach ( $post_taxes as $post_tax) {
$this->taxes[] = $post_tax;
}
}
}
if ( empty($this->langs) && function_exists('icl_get_languages') ) {
$this->langs = icl_get_languages('skip_missing=0&orderby=code');
}
// save for one week
set_transient( $this->transient_name, array(
'pages' => $this->pages,
'cats' => $this->cats,
'cposts' => $this->cposts,
'taxes' => $this->taxes,
), 60*60*24*7 );
if ( empty($this->checked) ) {
$this->checked[] = true;
}
}
function delete_transient() {
delete_transient( $this->transient_name );
}
function load_lang(){
load_plugin_textdomain( 'display-widgets', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
}
/* WPML support */
function get_lang_id($id, $type = 'page') {
if ( function_exists('icl_object_id') ) {
$id = icl_object_id($id, $type, true);
}
return $id;
}
}
/*
custom Page Walker class
*/
class Walker_Page_List extends Walker_Page {
function start_lvl( &$output, $depth = 0, $args = array() ) {
$output .= "\n<ul class='children'>\n";
}
function end_lvl( &$output, $depth = 0, $args = array() ) {
$output .= "</ul>\n";
}
function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
if ( $depth )
$indent = str_repeat("— ", $depth);
else
$indent = '';
// args: $instance, $widget
extract($args, EXTR_SKIP);
if ( '' === $page->post_title )
$page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
$output .= '<li>' . $indent . '<input class="checkbox" type="checkbox" '
. checked($instance['page-'. $page->ID], true, false)
. ' id="' . $widget->get_field_id('page-'. $page->ID)
.'" name="' . $widget->get_field_name('page-'. $page->ID) .'" />';
$output .= '<label for="' . $widget->get_field_id('page-'. $page->ID) . '">'
. apply_filters( 'the_title', $page->post_title, $page->ID )
. '</label>';
}
function end_el( &$output, $page, $depth = 0, $args = array() ) {
$output .= "</li>\n";
}
}
/*
custom Page Walker CSS
*/
function dw_widgets_style() {
echo '<style>';
// use next line for normal indent instead of &mdash:
// echo '.dw_collapse ul ul { padding-left: 1.5em; }';
echo '.dw_collapse li { line-height: 1.5em; margin: 1em 0; }';
echo '</style>';
}
add_action( 'admin_print_styles-widgets.php', 'dw_widgets_style' );