$this->_TT(
"Add URLs to your users favorites."))
);
}
//
// define your fields:
//
public function getFields(){
return array(
array(
'key' => 'my_title',
'label' => 'Title',
'defvalue' => '',
'opts' => '',
'title'=>'The widget title'
),
array(
'key' => 'my_fav_color',
'label' => 'Favorite Color',
'defvalue' => 'yellow',
'opts' => array('blue'=>'Light Blue','yellow'=>'Yellow 1'),
'title'=>'select one color'
),
);
}
//
// build your widget here:
//
public function widget( $args, $instance ) {
echo "Color: ".$this->getSafeValue($instance, 'my_fav_color')."
";
echo "Title:".$this->getStoredValue('my_title')."
";
}
}
--end sample code--
* @author Christian Salazar H.
* @license http://opensource.org/licenses/bsd-license.php
*/
abstract class WPP_Widget extends WP_Widget {
public function __construct($id, $name, $args) {
parent::__construct($id,$name,$args);
}
public function _TT($text){
return $text;
}
/**
returns a field definition for usage into the form.
return array(
array(
'key' => 'pwh_default_search',
'label' => 'Search',
'defvalue' => '',
'opts' => '', // this must be '' for text plain inputs or
// an array for a select:
// ie: array('1'=>'one', '2'=>'two')
'title'=>'A default search string'
),
);
*/
public function getFields(){
return array();
}
public function getSafeValue($instance,$name, $def=''){
if(!isset($instance[$name]))
return $def;
$v = trim($instance[$name]);
if(empty($v))
return $def;
return $v;
}
public function getStoredValue($name, $def=''){
$v = trim(get_option($name));
if(empty($v))
return $def;
return $v;
}
public function setStoredValue($name, $value){
update_option($name, trim($value));
}
public function widget( $args, $instance ) {}
/**
* 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 ) {
$instance = array();
foreach($this->getFields() as $field){
$key = $field['key'];
$value = trim(strip_tags($new_instance[$key]));
$instance[$key]=$value;
$this->setStoredValue($key, $value);
}
return $instance;
}
/**
* Back-end widget form.
*
* @see WP_Widget::form()
*
* @param array $instance Previously saved values from database.
*/
public function form( $instance ) {
foreach($this->getFields() as $field){
$key = $field['key'];
$title = esc_attr($field['title']);
$value = esc_attr($this->getStoredValue($key, $field['defvalue']));
$id = $this->get_field_id($key);
$name = $this->get_field_name($key);
echo "\r\n\r\n";
echo "";
if($field['opts']=='') {
// is plain text
echo "";
}else{
$options = "";
foreach($field['opts'] as $key=>$val){
$selected_tag=($key == $value) ? 'selected' : '';
$options .= "";
}
// is a select
echo ""
;
}
echo "
\r\n\r\n";
}
}
} // class WPP_Widget