/
widget.php
157 lines (131 loc) · 5.3 KB
/
widget.php
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<?php
add_action( 'widgets_init', 'babble_widget' );
function babble_widget() {
register_widget( 'Babble_Widget' );
}
class Babble_Widget extends WP_Widget {
public $defaults = array(
'show_if_unavailable' => 'off',
'show_as' => 'dropdown',
);
function __construct() {
parent::__construct(
'bbl_widget', // Base ID
__('Language Switcher','babble'), // Name
array( 'description' => __('Displays a list of links to translations / equivalent pages.', 'babble') ) // Args
);
}
function widget( $args, $instance ) {
$args = array_merge( array(
'show_as' => 'dropdown',
), $args );
echo $args['before_widget'];
echo $args['before_title'] . __( 'Languages', 'babble' ) . $args['after_title'];
$list = bbl_get_switcher_links();
switch ( $instance['show_as'] ) {
case 'dropdown':
echo '<select onchange="document.location.href=this.options[this.selectedIndex].value;">';
foreach ( $list as $item ) :
if ( $item['active'] ) {
$selected = 'selected="selected" ';
} else {
$selected = '';
}
if ( in_array( 'bbl-add',$item['classes'] ) ) {
/*
We're logged in, there's no translation
of this page as yet, but the user has the
ability to create one; so here's a link
to allow him/her to do so
*/
echo '<option ' . $selected . 'class="' . esc_attr( $item[ 'class' ] ) . '" value="' . esc_url( $item[ 'href' ] ) . '">' . esc_html( $item[ 'lang' ]->display_name ) . ' [' . __('Add') . ']</option>';
}
elseif ( $item[ 'href'] ) {
/*
Means there is a translation of this page
into the language in question
*/
echo '<option ' . $selected . 'class="' . esc_attr( $item[ 'class' ] ) . '" value="' . esc_url( $item[ 'href' ] ) . '">' . esc_html( $item[ 'lang' ]->display_name ) . '</option>';
}
elseif ( 'on' === $instance['show_if_unavailable'] ) {
/*
We're on the front end, but there is
no translation into this language as yet;
the user has said 'Show if unavailable'
in the widget management screen.
Applies a no-translation class to the <li>,
and a bbl-no-translation class to the <div>
in case you want to 'grey it out' somehow
*/
echo '<option disabled class="' . esc_attr( $item[ 'class' ] ) . '" value="">' . esc_html( $item[ 'lang' ]->display_name ) . '</option>';
}
endforeach;
echo '</select>';
break;
case 'list':
echo '<ul class="languages_list">';
foreach ( $list as $item ) :
if ( in_array( 'bbl-add',$item['classes'] ) ) {
/*
We're logged in, there's no translation
of this page as yet, but the user has the
ability to create one; so here's a link
to allow him/her to do so
*/
echo '<li><a href="' . esc_url( $item[ 'href' ] ) . '" class="' . esc_attr( $item[ 'class' ] ) . '">' . esc_html( $item[ 'lang' ]->display_name ) . ' [' . __( 'Add', 'babble' ) . ']</a></li>';
}
elseif ( $item[ 'href'] ) {
/*
Means there is a translation of this page
into the language in question
*/
echo '<li><a href="' . esc_url( $item[ 'href' ] ) . '" class="' . esc_attr( $item[ 'class' ] ) . '">' . esc_html( $item[ 'lang' ]->display_name ) . '</a></li>';
}
elseif ( 'on' === $instance['show_if_unavailable'] ) {
/*
We're on the front end, but there is
no translation into this language as yet;
the user has said 'Show if unavailable'
in the widget management screen.
Applies a no-translation class to the <li>,
and a bbl-no-translation class to the <div>
in case you want to 'grey it out' somehow
*/
echo '<li class="no-translation"><div class="bbl-no-translation">' . esc_html( $item[ 'lang' ]->display_name ) . '</div></li>';
}
endforeach;
echo '</ul>';
break;
}
echo $args['after_widget'];
}
function update( $new_instance, $old_instance ) {
$new_instance = array_merge( $this->defaults, $new_instance );
$new_instance['show_as'] = strip_tags( $new_instance['show_as'] );
$new_instance['show_if_unavailable'] = strip_tags( $new_instance['show_if_unavailable'] );
return $new_instance;
}
function form( $instance ) {
global $wpdb;
$instance = wp_parse_args( $instance, $this->defaults );
?>
<p>
<?php _e('Show as:','babble'); ?>
<select id="<?php echo $this->get_field_id('show_as'); ?>" name="<?php echo $this->get_field_name('show_as'); ?>">
<option value="dropdown" <?php selected( $instance['show_as'],'dropdown' ); ?>><?php _e('Dropdown','babble'); ?></option>
<option value="list" <?php selected( $instance['show_as'],'list' ); ?>><?php _e('List','babble'); ?></option>
</select>
</p>
<p>
<input id="<?php echo $this->get_field_id('show_if_unavailable'); ?>" name="<?php echo $this->get_field_name('show_if_unavailable'); ?>" type="checkbox" <?php checked( 'on', $instance['show_if_unavailable'] ); ?> />
<label for="<?php echo $this->get_field_id('show_if_unavailable'); ?>"><?php _e('Show all languages in widget, even if there is no translation', 'babble'); ?></label>
</p>
<p class="description">
<?php _e("Don't worry: if there's no equivalent page, the link won't be clickable.","babble"); ?>
</p>
<p class="description">
<?php _e("Links allowing logged-in administrators to add translations will always be shown.","babble"); ?>
</p>
<?php
}
}