File classes/widgets/Schools.php | HJI WP Membership Code Reference

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<?php

namespace hji\schools\widgets;

use \hji\membership\Membership;

class Schools extends \WP_Widget
{
    // All supported widget fields

    static $supportedFields = array(
        'title',
        'widget',
        'school-name',
        'school-id',
        'location',
        'address',
        'city',
        'county',
        'state',
        'zip',
        'coords',
        'circle',
        'box',
        'pagesize',
    );


    /**
     * Register widget with WordPress.
     */
    function __construct()
    {
        parent::__construct(
            'schools', // Base ID
            __('HJI Schools', 'hji_schools'), // Name
            array( 'description' => __('School lists, details, demographics, enrollment, gender and district widgets.', 'hji_schools' )) // Args
        );
    }


    /**
     * Front-end display of widget.
     *
     * @see WP_Widget::widget()
     *
     * @param array $args     Widget arguments.
     * @param array $instance Saved values from database.
     */
    public function widget($args, $instance)
    {
        $title = apply_filters('widget_title', $instance['title']);

        echo $args['before_widget'];

        if (!empty($title))
        {
            echo $args['before_title'] . $title . $args['after_title'];
        }

        foreach ($instance as $k => $v)
        {
            $k = ($k == 'school-id') ? 'id' : $k;
            $params[] = $k . '="' . $v . '"';
        }

        $name = 'schools';

        switch($instance['widget'])
        {
            case 'list':
                $name = 'schools';
                break;
            case 'details':
                $name = 'school_details';
                break;
            case 'demographics':
                $name = 'school_demographics';
                break;
            case 'enrollment':
                $name = 'school_enrollment';
                break;
            case 'gender':
                $name = 'school_gender';
                break;
            case 'district':
                $name = 'school_district';
                break;
        }

        echo do_shortcode("[{$name} " . implode($params, ' ') . ']');

        echo $args['after_widget'];
    }


    /**
     * Back-end widget form.
     *
     * @see WP_Widget::form()
     *
     * @param array $instance Previously saved values from database.
     * @return string|void
     */
    public function form($instance)
    {
        // Adding all form fields into the widget

        foreach (self::$supportedFields as $name)
        {
            $this->addField($name, $instance);
        }

        require_once(Membership::$dir . '/common/utils/View.php');

        $view = new \hji\common\utils\View();
        echo $view->render(
            \hji\schools\Schools::$dir . '/classes/views/schools-widget.phtml',
            array('fields' => $this->getFields(), 'instance' => $instance, 'widget' => $this));
    }


    function addField($fieldName, $instance)
    {
        $this->fieldsArray[$fieldName]['id'] = $this->get_field_id($fieldName);
        $this->fieldsArray[$fieldName]['name'] = $this->get_field_name($fieldName);
        $this->fieldsArray[$fieldName]['value'] = (isset($instance[$fieldName])) ? $instance[$fieldName] : false;
    }


    function getFields()
    {
        return (!isset($this->fieldsArray)) ? false : $this->fieldsArray;
    }


    /**
     * Sanitize widget form values as they are saved.
     *
     * @see WP_Widget::update()
     *
     * @param array $new_instance Values just sent to be saved.
     * @param array $old_instance Previously saved values from database.
     *
     * @return array Updated safe values to be saved.
     */
    public function update($new_instance, $old_instance)
    {
        $instance = $new_instance;

        return $instance;
    }

} // class

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