Hello to all, I have been trying to write a dynamic district and city
select in cakephp 1.2 using Ajax Helper.
These are the code I wrote, but it isn't work.
I have two db tables, cities and districts in which I have insert all
the Italian district and cities.
Then I have a controller, course_controller.php in which I have
function add() {
if(!empty($this->data)) {
if($this->Course->save($this->data))
{
$this->Session->setFlash(__('Course saved',true));
$this->redirect(array('action' => 'index'));
}
else
{
$this->Session->setFlash('Error');
}
}
$this->set('districts',$this->Course->City->District->find('list'));
in order to save the Data Form.
In cities_controller.php I put
function getCities() {
$district_id = $this->data['City']['district_id'];
debug($district_id);
$cities = $this->City->find('list',array
('conditions' => array('City.district_id'=>$district_id)));
$this->set('cities',$cities);
}
And in views/cities/getCities.ctp I have
<?php
echo "<option value=\"0\"></option>";
foreach($cities as $k=>$v) : ?>{
<option value="<?php echo $k; ?>"><?php echo $v; ?></option>
<?php endforeach; ?>
After all in views/courses/add.ctp I have
<?php
echo $form->create('Course');
echo $form->input('district_id',array('empty'=>true));
echo $form->input('city_id',array('type'=>'select'));
echo $form->end('Crea Corso');
echo $ajax->observeField('CourseDistrictId',
array(
'url' => array('controller'=>'cities','action'=> 'getcities'),
'update' => 'CourseCityId',
'frequency' => 0.2,
)
);
$this->render('/cities/getCities');
?>
Ofcourse in my app_controller I have
var $helpers = array('Html', 'Form', 'Ajax', 'Javascript',
'Session', 'Number');
and in my default.ctp I have
echo $javascript->link('prototype',false);
echo $javascript->link('scriptaculous',false);
After all, this isn't work at all, and when I select a district the
city select will not update at all.
Can somebody help me ?
thank you for all.
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