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<?php
/**
* Base Widget Class
*/
class AWPA_Widget_Base extends WP_Widget
{
/**
* @var Array of string
*/
public $text_fields = array();
/**
* @var Array of string
*/
public $url_fields = array();
/**
* @var Array of string
*/
public $text_areas = array();
/**
* @var Array of string
*/
public $checkboxes = array();
/**
* @var Array of string
*/
public $select_fields = array();
/**
* @var form instance object
*/
public $form_instance = '';
/**
* Register widget with WordPress.
*/
function __construct($id, $name, $args = array(), $controls = array())
{
parent::__construct(
$id, // Base ID
$name, // Name
$args, // Args
$controls
);
}
/**
* Function to quick create form input field
*
* @param string $field widget field name
* @param string $label
* @param string $note field note to appear below
*/
public function awpa_generate_text_input($field, $label, $value, $type = 'text', $note = '', $class = '', $active_callback = '')
{
$instance = isset($this->form_instance[$field]) ? $this->form_instance[$field] : $value;
?>
<p class="<?php echo esc_attr($active_callback); ?>">
<label for="<?php echo esc_attr($this->get_field_id($field)); ?>">
<?php _e($label, 'wp-post-author'); ?>
</label>
<input class="widefat <?php echo esc_attr($class) ?>" id="<?php echo esc_attr($this->get_field_id($field)); ?>" name="<?php echo esc_attr($this->get_field_name($field)); ?>" type="<?php echo esc_attr($type) ?>" value="<?php echo esc_attr($instance); ?>" />
<?php if (!empty($note)) : ?>
<small><?php echo esc_html($note); ?></small>
<?php endif; ?>
</p>
<?php
}
/**
* Generate select input
*
* @param string $field widget field name
* @param string $label
* @param string $note field note to appear below
* @param Array_A $elements
*/
public function awpa_generate_select_options($field, $label, $elements, $note = '', $class = '', $active_callback = '')
{
$instance = isset($this->form_instance[$field]) ? $this->form_instance[$field] : $label;
?>
<p class="<?php echo esc_attr($active_callback); ?>">
<label for="<?php echo esc_attr($this->get_field_id($field)); ?>">
<?php _e($label, 'wp-post-author'); ?>
</label>
<select class="widefat <?php echo esc_attr($class); ?>" id="<?php echo esc_attr($this->get_field_id($field)); ?>" name="<?php echo esc_attr($this->get_field_name($field)); ?>" style="width:100%;">
<?php foreach ($elements as $key => $elem) : ?>
<option value="<?php echo esc_attr($key); ?>" <?php selected($instance, $key); ?>><?php echo esc_html(ucfirst($elem)); ?></option>
</li>
<?php endforeach; ?>
</select>
<?php if (!empty($note)) : ?>
<small><?php echo esc_html($note); ?></small>
<?php endif; ?>
</p>
<?php
}
/**
* Function to quick create form input field
*
* @param string $field widget field name
* @param string $label
* @param string $note field note to appear below
*/
public function awpa_generate_textarea($field, $label, $note = '')
{
$instance = isset($this->form_instance[$field]) ? $this->form_instance[$field] : '';
?>
<p>
<label for="<?php echo $instance; ?>">
<?php echo esc_html($label); ?>
</label>
<textarea class="widefat" id="<?php echo esc_attr($instance); ?>" name="<?php echo esc_attr($instance); ?>"><?php echo esc_html($instance); ?></textarea>
<?php if (!empty($note)) : ?>
<small><?php echo esc_html($note); ?></small>
<?php endif; ?>
</p>
<?php
}
public function awpa_generate_image_upload($field, $label, $value, $note = '', $class = '')
{
$instance = isset($this->form_instance[$field]) ? $this->form_instance[$field] : '';
?>
<div>
<label for="<?php echo esc_attr($this->get_field_id($field)); ?>">
<?php echo esc_html($label); ?>
</label>
<p></p>
<div class="image-preview-wrap">
<div class="image-preview">
<?php if (!empty($instance)) :
$image_attributes = wp_get_attachment_image_src($instance);
if ($image_attributes) :
?>
<img src="<?php echo esc_attr($image_attributes[0]); ?>" alt="" />
<?php endif; ?>
<?php endif; ?>
</div><!-- .image-preview -->
<input type="hidden" class="img" name="<?php echo esc_attr($this->get_field_name($field)); ?>" id="<?php echo esc_attr($this->get_field_id($field)); ?>" value="<?php echo esc_attr($instance); ?>" />
<input type="button" class="select-img button button-primary" value="<?php esc_attr_e('Upload', 'wp-post-author'); ?>" data-uploader_title="<?php esc_attr_e('Select Image', 'wp-post-author'); ?>" data-uploader_button_text="<?php esc_attr_e('Choose Image', 'wp-post-author'); ?>" />
<?php
$image_status = false;
if (!empty($instance)) {
$image_status = true;
}
$remove_button_style = 'display:none;';
if (true === $image_status) {
$remove_button_style = 'display:inline-block;';
}
?>
<input type="button" value="<?php echo esc_attr_x('X', 'Remove', 'wp-post-author'); ?>" class="button button-secondary btn-image-remove" style="<?php echo esc_attr($remove_button_style); ?>" />
</div>
</div><!-- .image-preview-wrap -->
<?php
}
/**
* 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 = array();
$instance = $this->awpa_sanitize_data($instance, $new_instance);
return $instance;
}
public function awpa_sanitize_data($instance, $new_instance)
{
if (is_array($this->text_fields)) {
// update the text fields values
foreach ($this->text_fields as $field) {
$instance = array_merge($instance, $this->awpa_update_text($field, $new_instance));
}
}
if (is_array($this->select_fields)) {
// update the select fields values
foreach ($this->select_fields as $field) {
$instance = array_merge($instance, $this->awpa_update_select($field, $new_instance));
}
}
if (is_array($this->url_fields)) {
// update the text fields values
foreach ($this->url_fields as $field) {
$instance = array_merge($instance, $this->awpa_update_url($field, $new_instance));
}
}
if (is_array($this->text_areas)) {
//update the textarea_values
foreach ($this->text_areas as $field) {
$instance = array_merge($instance, $this->awpa_update_textarea($field, $new_instance));
}
}
if (is_array($this->checkboxes)) {
// update the checkbox fields values
foreach ($this->checkboxes as $field) {
$instance = array_merge($instance, $this->awpa_update_checkbox($field, $new_instance));
}
}
return $instance;
}
/**
* Update and sanitize backend value of the text field
*
* @param string $name
* @param object $new_instance
* @return object validate new instance
*/
public function awpa_update_text($name, $new_instance)
{
$instance = array();
$instance[$name] = (!empty($new_instance[$name])) ? sanitize_text_field($new_instance[$name]) : '';
return $instance;
}
/**
* Update and sanitize backend value of the text field
*
* @param string $name
* @param object $new_instance
* @return object validate new instance
*/
public function awpa_update_url($name, $new_instance)
{
$instance = array();
$instance[$name] = (!empty($new_instance[$name])) ? esc_url_raw($new_instance[$name]) : '';
return $instance;
}
/**
* Update and sanitize backend value of the textarea
*
* @param string $name
* @param object $new_instance
* @return object validate new instance
*/
public function awpa_update_textarea($name, $new_instance)
{
$instance = array();
$instance[$name] = (!empty($new_instance[$name])) ? sanitize_textarea_field($new_instance[$name]) : '';
return $instance;
}
/**
* Update and sanitize backend value of the checkbox field
*
* @param string $name
* @param object $new_instance
* @return object validate new instance
*/
public function awpa_update_checkbox($name, $new_instance)
{
$instance = array();
// make sure any checkbox has been checked
if (!empty($new_instance[$name])) {
// if multiple checkboxes has been checked
if (is_array($new_instance[$name])) {
// iterate over multiple checkboxes
foreach ($new_instance[$name] as $key => $value) {
$instance[$name][$key] = (!empty($new_instance[$name][$key])) ? esc_attr($value) : '';
}
} else {
$instance[$name] = esc_attr($new_instance[$name]);
}
}
return $instance;
}
/**
* Update and sanitize backend value of the select field
*
* @param string $name
* @param object $new_instance
* @return object validate new instance
*/
public function awpa_update_select($name, $new_instance)
{
$instance = array();
$instance[$name] = (!empty($new_instance[$name])) ? esc_attr($new_instance[$name]) : '';
return $instance;
}
}