function get_back_link()
{
if ($this->meta_back_to_link) {
$project_type = get_term($this->meta_back_to_link, 'gp-project-type');
if ($project_type) {
return get_term_link($project_type, 'gp-project-type');
}
}
return get_permalink(gp_portfolio_base_id());
}
function widget($args, $instance)
{
/**
* If widget was not called using default parameters,
* then do class and id substitution manually.
*/
if (strpos($args['before_widget'], '%2$s')) {
$args['before_widget'] = sprintf($args['before_widget'], $this->id_base, $this->widget_options['classname']);
}
if (is_single()) {
/**
* We are on the project page.
* So we show tags that belong to the active project.
*/
$tags = wp_get_post_terms(get_the_ID(), 'gp-project-type');
if ($tags) {
echo $args['before_widget'];
echo $args['before_title'] . __('Project Type', 'gp') . $args['after_title'];
?>
<ul><?php
foreach ($tags as $tag) {
?>
<li class="project-type-<?php
echo $tag->term_id;
?>
">
<a href="<?php
echo get_term_link($tag, 'gp-project-type');
?>
">
<b class="hash">#</b>
<?php
echo $tag->name;
?>
</a>
</li><?php
}
?>
</ul><?php
echo $args['after_widget'];
}
} else {
$active_tag_slug = get_query_var('gp-project-type');
$active_tag = false;
$children = false;
$widget_title = __('Project Types', 'gp');
if ($active_tag_slug) {
$active_tag = get_term_by('slug', $active_tag_slug, 'gp-project-type');
$children = get_terms('gp-project-type', array('parent' => $active_tag->term_id, 'hide_empty' => false));
}
// If this is a children, then show all siblings
if ($active_tag && $active_tag->parent) {
$tags = get_terms('gp-project-type', array('parent' => $active_tag->parent));
$parent_tag = get_term($active_tag->parent, 'gp-project-type');
$widget_title = $parent_tag->name;
$all_link = esc_url(get_term_link($parent_tag, 'gp-project-type'));
$all_class = '';
// If this is a parent, then show children
} elseif ($children) {
$tags = $children;
$widget_title = $active_tag->name;
$all_link = esc_url(get_term_link($active_tag, 'gp-project-type'));
$all_class = ' class="active"';
// Show all tags
} else {
$tags = get_terms('gp-project-type');
$all_link = esc_url(get_permalink(gp_portfolio_base_id()));
$all_class = $active_tag_slug ? '' : ' class="active"';
}
// Manual check if there are at least one category with a project count > 0
$empty = true;
if ($tags) {
foreach ($tags as $tag) {
if ($tag->count != 0) {
$empty = false;
break;
}
}
}
if ($empty) {
return '';
}
echo $args['before_widget'];
echo $args['before_title'] . $widget_title . $args['after_title'];
?>
<ul>
<li class="project-type-all">
<a<?php
echo $all_class;
?>
href="<?php
echo $all_link;
?>
">
<?php
_e('All', 'gp');
?>
</a>
</li><?php
foreach ($tags as $tag) {
$class = $active_tag_slug == $tag->slug ? ' class="active"' : '';
?>
<li class="project-type-<?php
echo $tag->term_id;
?>
">
<a<?php
echo $class;
?>
href="<?php
echo esc_url(get_term_link($tag, 'gp-project-type'));
?>
">
<b class="hash">#</b>
<?php
echo $tag->name;
?>
</a>
</li><?php
}
?>
</ul><?php
echo $args['after_widget'];
}
}