functions.php

<?php

/* -------------------------------------------------------
 You can add your custom functions below
-------------------------------------------------------- */

/*--------------------------------------------------------
Custom VCard Widget
--------------------------------------------------------*/


class Custom_357_Vcard_Widget extends WP_Widget {

private $fields = array(
'title'          => 'Title',
'street_address' => 'Street Address',
'locality'       => 'City/Locality',
'region'         => 'State/Region',
'postal_code'    => 'Zipcode/Postal Code',
'tel'            => 'Telephone',
'twitter'        => 'Twitter',
'email'          => 'Email'
);

function __construct() {
$widget_ops = array('description' => __('Use this widget to add a vCard', 'crum'));

$this->WP_Widget('c_vcard_widget', __('Custom: vCard', 'crum'), $widget_ops);
$this->alt_option_name = 'c_vcard_widget';

add_action('save_post', array(&$this, 'flush_widget_cache'));
add_action('deleted_post', array(&$this, 'flush_widget_cache'));
add_action('switch_theme', array(&$this, 'flush_widget_cache'));
}

function widget($args, $instance) {
$cache = wp_cache_get('widget_roots_vcard', 'widget');

if (!is_array($cache)) {
$cache = array();
}

if (!isset($args['widget_id'])) {
$args['widget_id'] = null;
}

if (isset($cache[$args['widget_id']])) {
echo $cache[$args['widget_id']];
return;
}

ob_start();
extract($args, EXTR_SKIP);

$title = apply_filters('widget_title', empty($instance['title']) ? __('vCard', 'crum') : $instance['title'], $instance, $this->id_base);


foreach($this->fields as $name => $label) {
if (!isset($instance[$name])) { $instance[$name] = ''; }
}

echo $before_widget;

    if ($title) {

        echo $before_title;
        echo $title;
        echo $after_title;

    }
?>
<div class="crum-worldcontacts-widget">

    <p class="adress">
            <?php if($instance['street_address']) { ?><i class="crumicon-earth"></i> <span class="street-address"><?php echo $instance['street_address']; ?></span>,
            <?php } if($instance['postal_code']){ ?> <span class="postal-code"><?php echo $instance['postal_code']; ?></span> 
            <?php } if($instance['locality']){ ?><span class="locality"> <?php echo $instance['locality']; ?></span>,
            <?php } if($instance['region']) { ?> <span class="region"><?php echo $instance['region']; ?></span> <?php } ?>
            
    </p>
    <?php if($instance['tel']) { ?><p class="phone"><i class="crumicon-phone"></i> <?php echo $instance['tel']; ?></p>
    <?php } if($instance['email']) { ?><p class="mail"><i class="crumicon-mail"></i> <?php _e('E-Mail', 'crum'); ?>: <a class="email" href="mailto:<?php echo $instance['email']; ?>"><?php echo $instance['email']; ?></a></p> <?php } ?>
    <?php if ($instance['twitter']) { ?><p class="twitter"><i class="soc-twitter"></i> <?php _e('Twitter', 'crum'); ?>: <a class="fn org url" href="<?php echo $instance['twitter']; ?>"><?php echo $instance['twitter'];?></a></p> <?php } ?>

</div>
    
<?php
echo $after_widget;

$cache[$args['widget_id']] = ob_get_flush();
wp_cache_set('widget_roots_vcard', $cache, 'widget');
}

function update($new_instance, $old_instance) {
    $instance = array_map('strip_tags', $new_instance);

    $this->flush_widget_cache();

    $alloptions = wp_cache_get('alloptions', 'options');

    if (isset($alloptions['widget_roots_vcard'])) {
        delete_option('widget_roots_vcard');
    }

    return $instance;
}

function flush_widget_cache() {
    wp_cache_delete('widget_roots_vcard', 'widget');
}

function form($instance) {
    foreach($this->fields as $name => $label) {
        ${$name} = isset($instance[$name]) ? esc_attr($instance[$name]) : '';
        ?>
    <p>
        <label for="<?php echo esc_attr($this->get_field_id($name)); ?>"><?php _e("{$label}:", 'crum'); ?></label>
        <input class="widefat" id="<?php echo esc_attr($this->get_field_id($name)); ?>" name="<?php echo esc_attr($this->get_field_name($name)); ?>" type="text" value="<?php echo ${$name}; ?>">
    </p>


    <?php
    }
}
}

function Custom_357_Vcard_Widget_init() {
    register_widget('Custom_357_Vcard_Widget');
}

add_action('widgets_init', 'Custom_357_Vcard_Widget_init');