Making a custom pod widget

gistfile1.aw

<?php

add_action('widgets_init', 'pods_register_widgets');

/**
 * Register any/all pods widgets with wordpress.
 */
function pods_register_widgets() {
    register_widget('Pods_Custom_Widget');
}

class Pods_Custom_Widget extends WP_Widget {

    /**
     * Register Pods Widget
     */
    public function PodsWidget() {
        $this->WP_Widget('pods_custom_widget', 'Custom Pod');
    }

    /**
     * Output of the widget.
     */
    public function widget($args, $instance) {
        extract($args);

        $title    = apply_filters('widget_title', $instance['title']);
        $pod_type = $instance['pod_type'];
        $template = $instance['template'];

        $where = $instance['where'];
        $order = $instance['order'];
        $limit = $instance['limit'];

        $podsApi = new PodsAPI();

        // Don't display widget if bad data is passed, or they just didn't
        // select a pod/template.
        // Perhaps a template_exists function?
        if (!$podsApi->pod_exists(array('name' => $pod_type)) ||
                    !$podsApi->load_template(array('name' => $template))) {
            return false;
        }

        ?>

        <?php echo $before_widget; ?>
            <?php if (!empty($title)): ?>
                <?php echo $before_title . $title . $after_title; ?>
            <?php endif; ?>

            <?php
                $podArgs = array('orderby' => ($order) ? $order : 'id DESC');
                $limit   = ($limit) ? $limit : 15;
                $where   = ($where) ? $where : null;

                $podObj = new Pod($pod_type);
                $podObj->find($podArgs, $limit, $where);
                echo $podObj->template($template);
            ?>

        <?php echo $after_widget;
    }

    /**
     * Updates the new instance of widget arguments.
     * @return array $instance Updated instance.
     */
    public function update($new_instance, $old_instance) {
        $instance = $old_instance;

        $instance['title']    = $new_instance['title'];
        $instance['pod_type'] = $new_instance['pod_type'];
        $instance['template'] = $new_instance['template'];

        $instance['where'] = $new_instance['where'];
        $instance['order'] = $new_instance['order'];
        $instance['limit'] = $new_instance['limit'];

        return $instance;
    }

    /**
     * Widget Form.
     */
    public function form($instance) {
        $title    = esc_attr($instance['title']);
        $pod_type = esc_attr($instance['pod_type']);
        $template = esc_attr($instance['template']);

        $where = esc_attr($instance['where']);
        $order = esc_attr($instance['order']);
        $limit = esc_attr($instance['limit']); ?>

        <?php
        /* Once dev branch is up, I'll do a print styles and have these
         * in the ui/css folder.
         */
        ?>
        <style type="text/css">
            label  { display:block; }
            select { width:100%; }
        </style>

        <p>
            <label for="<?php echo $this->get_field_id('title'); ?>">
                <?php _e('Title:'); ?>
                <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" />
            </label>
        </p>

        <p>
            <label for="<?php echo $this->get_field_id('pod_type'); ?>">
                <label><?php _e('Pod:'); ?></label>
                <?php $podsApi      = new PodsAPI(); ?>
                <?php $existingPods = $podsApi->load_pods(array()); ?>

                <select name="<?php echo $this->get_field_name('pod_type'); ?>">
                    <option>Select a Pod</option>
                    <?php foreach ($existingPods as $loadedPod): ?>
                        <?php $selected = ($loadedPod['pod_type'] == $pod_type) ? 'selected' : ''; ?>
                        <option value="<?php echo $loadedPod['pod_type']; ?>" <?php echo $selected; ?>>
                            <?php echo $loadedPod['label']; ?>
                        </option>
                    <?php endforeach; ?>
                </select>
            </label>
        </p>

        <p>
            <label for="<?php echo $this->get_field_name('template'); ?>">
                <label><?php _e('Template:'); ?></label>
                <select name="<?php echo $this->get_field_name('template'); ?>">
                    <option>Select a Template</option>
                    <?php // Maybe a load_templates method? Like load_pods ?>
                    <?php $fetchPodTemplates = pods_query("SELECT id, name FROM @wp_pod_templates ORDER BY name");
                          while ($podTemplate = mysql_fetch_assoc($fetchPodTemplates)): ?>
                            <?php $selected = ($podTemplate['name'] == $template) ? 'selected' : ''; ?>
                                <option value="<?php echo $podTemplate['name']; ?>" <?php echo $selected; ?>>
                                    <?php echo $podTemplate['name']; ?>
                                </option>
                          <?php endwhile; ?>
                </select>
            </label>
        </p>

        <a href="#" onclick="jQuery('div#pods-advanced-options').toggle(); return false;" id="trigger-pods-advanced-options">Advanced Options</a>

        <div id="pods-advanced-options" style="display:none;">
             <p>
                <label for="<?php echo $this->get_field_name('where'); ?>">
                    <label><?php _e('Where:'); ?></label>
                    <input class="widefat" id="<?php echo $this->get_field_id('where'); ?>" name="<?php echo $this->get_field_name('where'); ?>" type="text" value="<?php echo $where; ?>" />
                </label>
             </p>
             <p>
                <label for="<?php echo $this->get_field_name('order'); ?>">
                    <label><?php _e('Order:'); ?></label>
                    <input class="widefat" id="<?php echo $this->get_field_id('order'); ?>" name="<?php echo $this->get_field_name('order'); ?>" type="text" value="<?php echo $order; ?>" />
                </label>
             </p>

            <p>
                <label for="<?php echo $this->get_field_name('limit'); ?>">
                    <label><?php _e('Limit:'); ?></label>
                    <input size="3" id="<?php echo $this->get_field_id('limit'); ?>" name="<?php echo $this->get_field_name('limit'); ?>" type="text" value="<?php echo $limit; ?>" />
                </label>
            </p>
        </div>
<?php
    } // function form()
} // class Pods_Custom_Widget