__( 'Displays a language switcher', 'polylang')));
}
/*
* displays the widget
*
* @since 0.1
*
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The settings for the particular instance of the widget
*/
function widget($args, $instance) {
global $polylang;
if (!(isset($polylang) && $polylang->model->get_languages_list() && $list = pll_the_languages(array_merge($instance, array('echo' => 0)))))
return;
extract($args);
extract($instance);
echo "$before_widget\n";
if ($title = apply_filters('widget_title', $title, $instance, $this->id_base))
echo $before_title . $title . $after_title;
echo $dropdown ? $list : "\n";
echo "$after_widget\n";
// javascript to switch the language when using a dropdown list
if ($dropdown) {
foreach ($polylang->model->get_languages_list() as $language) {
$url = $force_home || ($url = $polylang->links->get_translation_url($language)) == null ? $polylang->links->get_home_url($language) : $url;
$urls[] = '"'.esc_js($language->slug).'":"'.esc_url($url).'"';
}
$urls = implode(',', $urls);
$js = "
";
echo $js;
}
}
/*
* updates the widget options
*
* @since 0.4
*
* @param array $new_instance New settings for this instance as input by the user via form()
* @param array $old_instance Old settings for this instance
* @return array Settings to save or bool false to cancel saving
*/
function update( $new_instance, $old_instance ) {
$instance['title'] = strip_tags($new_instance['title']);
foreach (array_keys(PLL_Switcher::get_switcher_options('widget')) as $key)
$instance[$key] = !empty($new_instance[$key]) ? 1 : 0;
return $instance;
}
/*
* displays the widget form
*
* @since 0.4
*
* @param array $instance Current settings
*/
function form($instance) {
// default values
$instance = wp_parse_args( (array)$instance, array_merge(array('title' => ''), PLL_Switcher::get_switcher_options('widget', 'default')) );
// title
$title = sprintf(
'%2$s
',
$this->get_field_id('title'),
__('Title:', 'polylang'),
$this->get_field_name('title'),
esc_attr($instance['title'])
);
$fields = '';
foreach (PLL_Switcher::get_switcher_options('widget') as $key => $str)
$fields .= sprintf(
'%4$s
',
$this->get_field_id($key),
$this->get_field_name($key),
$instance[$key] ? 'checked="checked"' : '',
esc_html($str),
'dropdown' == $key ? '' : 'no-dropdown-' . $this->id,
'dropdown' == $key || empty($instance['dropdown']) ? '' : 'style="display:none;"'
);
echo $title.''.$fields.'
';
// FIXME echoing script in form is not very clean
// but it does not work if enqueued properly :
// clicking save on a widget makes this code unreachable for the just saved widget (?!)
$this->admin_print_script();
}
/*
* add javascript to control the language switcher options
*
* @since 1.3
*/
public function admin_print_script() {
static $js = '';
if ($js)
return;
$js = "
";
echo $js;
}
}