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woocommerce-subcategories-widget.php
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woocommerce-subcategories-widget.php
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<?php
/*
Plugin Name: WooCommerce Subcategories widget
Plugin URI:
Description: Shows subcategories from chosen or current active category
Version: 1.2.1
Author: Pavel Burov aka Dark Delphin
Author URI: http://pavelburov.com
*/
class woocom_subcats extends WP_Widget {
function __construct()
{
$params = array(
'name' => 'WooCommerce Subcategories',
'description' => 'Shows subcategories from chosen category' // plugin description that is showed in Widget section of admin panel
);
parent::__construct('woocom_subcats', '', $params);
}
function form($instance)
{
extract($instance);
$taxlist = get_terms('product_cat', 'hide_empty=0');
?>
<p>
<label for="<?php echo $this->get_field_id('title'); ?>"><?php echo __('Title: '); ?></label>
<input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php if(isset($title)) echo esc_attr($title) ?>"/>
</p>
<p>
<input type="checkbox" id="<? echo $this->get_field_id('show_subcategories_of_current_active_category'); ?>" name="<? echo $this->get_field_name('show_subcategories_of_current_active_category'); ?>" value="1" <?php checked( '1', $show_subcategories_of_current_active_category ); ?>/>
<label for="<? echo $this->get_field_id('show_subcategories_of_current_active_category'); ?>"><?php echo __('Show subcategories of current active category'); ?></label>
</p>
<p>
<input type="checkbox" id="<? echo $this->get_field_id('show_children_of_current_subcategory'); ?>" name="<? echo $this->get_field_name('show_children_of_current_subcategory'); ?>" value="1" <?php checked( '1', $show_children_of_current_subcategory ); ?>/>
<label for="<? echo $this->get_field_id('show_children_of_current_subcategory'); ?>"><?php echo __('Hide children of current subcategory'); ?></label>
</p>
<p>
<input type="checkbox" id="<? echo $this->get_field_id('show_category_title'); ?>" name="<? echo $this->get_field_name('show_category_title'); ?>" value="1" <?php checked( '1', $show_category_title ); ?>/>
<label for="<? echo $this->get_field_id('show_category_title'); ?>"><?php echo __('Show category title'); ?></label>
</p>
<p>
<input type="checkbox" id="<? echo $this->get_field_id('show_category_thumbnail'); ?>" name="<? echo $this->get_field_name('show_category_thumbnail'); ?>" value="1" <?php checked( '1', $show_category_thumbnail ); ?>/>
<label for="<? echo $this->get_field_id('show_category_thumbnail'); ?>"><?php echo __('Show categories thumbnails'); ?></label>
</p>
<p>
<label for="<?php echo $this->get_field_id('thumb_width'); ?>"><?php echo __('Thumbnail width and height:'); ?></label><br>
<input type="number" class="widefat" style="width: 80px;" id="<?php echo $this->get_field_id('thumb_width'); ?>" name="<?php echo $this->get_field_name('thumb_width'); ?>" min="1" value="<?php if(isset($thumb_width)) echo esc_attr($thumb_width); else echo '150'; ?>"/> x
<!-- <label for="<?php echo $this->get_field_id('thumb_height'); ?>"><?php echo __('Thumbnail height'); ?></label> -->
<input type="number" class="widefat" style="width: 80px;" id="<?php echo $this->get_field_id('thumb_height'); ?>" name="<?php echo $this->get_field_name('thumb_height'); ?>" min="1" value="<?php if(isset($thumb_height)) echo esc_attr($thumb_height); else echo '150'; ?>"/>
</p>
<p>
<select id="<?php echo $this->get_field_id('catslist'); ?>" name="<?php echo $this->get_field_name('catslist'); ?>">
<?php
foreach ($taxlist as $tax)
{
if(get_term_children( $tax->term_id, 'product_cat' ))
{
if(isset($catslist) && $catslist == $tax->term_id) $selected = ' selected="selected"';
else $selected = '';
echo '<option value="'.$tax->term_id.'"'.$selected.'>'.$tax->name.'</option>';
}
}
?>
</select>
</p>
<!--some html with input fields-->
<?php
}
function walk($cat , $show_category_thumbnail, $show_category_title)
{
$args = array(
'hierarchical' => 1,
'show_option_none' => '',
'hide_empty' => 0,
'parent' => $cat,
'taxonomy' => 'product_cat'
);
$next = get_categories($args);
if( $next )
{
echo '<ul class="children">';
foreach ($next as $n)
{
$link = get_term_link( $n->slug, $n->taxonomy );
$output = '<li><a href="'.$link.'">';
if(isset($show_category_thumbnail))
{
$thumbnail_id = get_metadata( 'woocommerce_term', $n->woocommerce_term_id, 'thumbnail_id', true );
if ($thumbnail_id)
{
$image = wp_get_attachment_url( $thumbnail_id );
if(isset($thumb_width) && $thumb_width > 0) $width = ' width="'.$thumb_width.'"';
if(isset($thumb_height) && $thumb_height > 0) $height = ' height="'.$thumb_height.'"';
$output .= '<img src="'.$image.'"'.$width.$height.'>';
// <img src="<?php echo $image; >" />
}
}
if(isset($show_category_title))
{
$output .= $n->name;
}
if(!isset($show_category_title) && !isset($show_category_thumbnail))
{
$output .= $n->name;
}
$output .= '</a></li>';
echo $output;
$this->walk($n->term_id, $show_category_thumbnail, $show_category_title);
}
echo '</ul>';
}
}
function widget($args, $instance)
{
extract($args);
extract($instance);
echo $before_widget;
echo $before_title . $title . $after_title;
if(isset($catslist) && !isset($show_subcategories_of_current_active_category))
{
$args = array(
'title_li' => '',
'hierarchical' => 1,
'show_option_none' => '',
'echo' => 0,
'depth' => 1,
'hide_empty' => 0,
'parent' => $catslist,
'child_of' => $catslist,
'taxonomy' => 'product_cat'
);
}
elseif(isset($show_subcategories_of_current_active_category))
{
$current_tax = get_query_var('product_cat'); // slug
$cid = get_queried_object()->term_id;
$args = array(
'title_li' => '',
'hierarchical' => 1,
'show_option_none' => '',
'echo' => 0,
'depth' => 1,
'hide_empty' => 0,
'parent' => $cid,
'taxonomy' => 'product_cat'
);
}
$categories = get_categories( $args );
$zurb = wp_list_categories( $args );
// echo htmlspecialchars($zurb);
echo '<ul class="product-categories woosubcats">';
foreach($categories as $cat)
{
$link = get_term_link( $cat->slug, $cat->taxonomy );
$output = '<li><a href="'.$link.'">';
if(isset($show_category_thumbnail))
{
$thumbnail_id = get_metadata( 'woocommerce_term', $cat->woocommerce_term_id, 'thumbnail_id', true );
if ($thumbnail_id)
{
$image = wp_get_attachment_url( $thumbnail_id );
if(isset($thumb_width)) $width = ' width="'.$thumb_width.'"';
if(isset($thumb_height)) $height = ' height="'.$thumb_height.'"';
$output .= '<img src="'.$image.'"'.$width.$height.'>';
// <img src="<?php echo $image; >" />
}
}
if(isset($show_category_title))
{
$output .= $cat->name;
}
if(!isset($show_category_title) && !isset($show_category_thumbnail))
{
$output .= $cat->name;
}
$output .= '</a></li>';
echo $output;
if(isset($show_children_of_current_subcategory)) continue;
$this->walk($cat->term_id, $show_category_thumbnail, $show_category_title);
}
echo '</ul>';
echo $after_widget;
}
}
add_action('widgets_init', 'woocom_subcats_register_function');
function woocom_subcats_register_function()
{
register_widget('woocom_subcats');
}
?>