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<?php
/**
* Abstract class that makes it easy to create widgets. It has generic methods for generating form and updating widgets
* Classes that extend this class needs to implement setParams method where $params property will be populated
*
* Class QodeWidget
*/
abstract class QodeWidget extends WP_Widget {
/**
* Widget parameters that form will be generated from
* @var
*/
protected $params;
/**
* @return mixed
*/
abstract protected function setParams();
/**
* Generate widget form based on $params attribute
*
* @param array $instance
*
* @return null
*/
public function form($instance) {
if(is_array($this->params) && count($this->params)) {
foreach($this->params as $param_array) {
$param_name = $param_array['name'];
${$param_name} = isset($instance[$param_name]) ? esc_attr($instance[$param_name]) : '';
}
foreach($this->params as $param) {
switch($param['type']) {
case 'textfield':
?>
<p>
<label for="<?php echo esc_attr($this->get_field_id($param['name'])); ?>"><?php echo
esc_html($param['title']); ?>:</label>
<input class="widefat" id="<?php echo esc_attr($this->get_field_id($param['name'])); ?>" name="<?php echo esc_attr($this->get_field_name($param['name'])); ?>" type="text" value="<?php echo esc_attr(${$param['name']}); ?>"/>
<?php if(!empty($param['description'])) : ?>
<span class="qode-field-description"><?php echo esc_html($param['description']); ?></span>
<?php endif; ?>
</p>
<?php
break;
case 'textfield_html':
?>
<p>
<label for="<?php echo esc_attr($this->get_field_id($param['name'])); ?>"><?php echo
esc_html($param['title']); ?>:</label>
<input class="widefat" id="<?php echo esc_attr($this->get_field_id($param['name'])); ?>" name="<?php echo esc_attr($this->get_field_name($param['name'])); ?>" type="text" value="<?php echo esc_attr(${$param['name']}); ?>"/>
<?php if(!empty($param['description'])) : ?>
<span class="qode-field-description"><?php print $param['description']; ?></span>
<?php endif; ?>
</p>
<?php
break;
case 'dropdown':
?>
<p>
<label for="<?php echo esc_attr($this->get_field_id($param['name'])); ?>"><?php echo
esc_html($param['title']); ?>:</label>
<?php if(isset($param['options']) && is_array($param['options']) && count($param['options'])) { ?>
<select class="widefat" name="<?php echo esc_attr($this->get_field_name($param['name'])); ?>" id="<?php echo esc_attr($this->get_field_id($param['name'])); ?>">
<?php foreach($param['options'] as $param_option_key => $param_option_val) {
$option_selected = '';
if(${$param['name']} == $param_option_key) {
$option_selected = 'selected';
}
?>
<option <?php echo esc_attr($option_selected); ?> value="<?php echo esc_attr($param_option_key); ?>"><?php echo esc_attr($param_option_val); ?></option>
<?php } ?>
</select>
<?php } ?>
<?php if(!empty($param['description'])) : ?>
<span class="qode-field-description"><?php echo esc_html($param['description']); ?></span>
<?php endif; ?>
</p>
<?php
break;
}
}
} else { ?>
<p><?php esc_html_e('There are no options for this widget.', 'qode'); ?></p>
<?php }
}
/**
* @param array $new_instance
* @param array $old_instance
*
* @return array
*/
public function update($new_instance, $old_instance) {
$instance = array();
foreach($this->params as $param) {
$param_name = $param['name'];
$instance[$param_name] = sanitize_text_field($new_instance[$param_name]);
}
return $instance;
}
}
?>
Zerion Mini Shell 1.0