'Example form ahah',
'page callback' => 'drupal_get_form',
'page arguments' => array('ahah_example_form_form'),
'access arguments' => array('access content'),
'type' => MENU_NORMAL_ITEM,
);
$items['form_ahah/js'] = array(
'title' => 'Javascript Choice Form',
'page callback' => 'ahah_example_form_js',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Implementacion del hook_form
*/
function ahah_example_form_form($form_state) {
$cnt_fieldset = isset($form_state['values']['cnt_fieldset']) ? $form_state['values']['cnt_fieldset'] : 0;
$form['cnt_fieldset'] = array(
'#type' => 'hidden',
'#value' => $cnt_fieldset,
);
$form["fieldset"] = array(
'#type' => "fieldset",
'#title' => t("Contact settings"),
'#weight' => 0,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#prefix' => '',
'#suffix' => '
',
);
for ($i=0; $i<=$cnt_fieldset; $i++) {
$form["fieldset"]["selected_$i"] = array(
'#type' => 'select',
'#title' => t("Selected $i"),
'#default_value' => $form_state['values']["selected_$i"],
'#options' => array(
0 => t('No'),
1 => t('Yes'),
),
'#description' => t('Set this to Yes if you would like this category to be selected by default.'),
);
}
$form['submit_ahah'] = array(
'#type' => 'submit',
'#value' => t('Add'),
'#weight' => 1,
'#attributes' => array('class' => 'add-buttom', 'title' => t('Click here to add more tabs.')),
'#ahah' => array(
'path' => 'form_ahah/js',
'wrapper' => 'wrapper-fieldset',
'method' => 'replace',
'effect' => 'fade',
),
);
$form['submit_form'] = array(
'#type' => 'submit',
'#value' => t('Send'),
'#weight' => 2,
);
return $form;
}
/**
* Implementation ahah in form
*/
function ahah_example_form_js() {
$form_state = array(
'storage' => NULL,
'submitted' => FALSE,
'values' => $_POST,
);
$form_build_id = $_POST['form_build_id'];
// Get the form from the cache.
$form = form_get_cache($form_build_id, $form_state);
$args = $form['#parameters'];
$form_id = array_shift($args);
// We will run some of the submit handlers so we need to disable redirecting.
$form['#redirect'] = FALSE;
// We need to process the form, prepare for that by setting a few internals
// variables.
$form['#post'] = $_POST;
$form['#programmed'] = FALSE;
$form_state['post'] = $_POST;
// Build, validate and if possible, submit the form.
drupal_process_form($form_id, $form, $form_state);
// cantidad de campo
$form_state['values']['cnt_fieldset'] = $form_state['values']['cnt_fieldset']+1;
// This call recreates the form relying solely on the form_state that the
// drupal_process_form set up.
$form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);
$new_form = $form['fieldset'];
//modificando el valor del campo oculto
unset($new_form['#prefix'], $new_form['#suffix']); // Prevent duplicate wrappers.
$output = theme('status_messages') . drupal_render($new_form);
drupal_json(array('status' => TRUE, 'data' => $output));
}
/**
* validando las entradas
*/
function ahah_example_form_form_validate($form, &$form_state) {
if ($form_state['clicked_button']['#id'] == 'edit-submit-form') {
$cantidad = $form_state['values']['cnt_fieldset'];
for ($i=0; $i<=$cantidad; $i++) {
if ($form_state['values']["selected_$i"] == 0) {
form_set_error("selected_$i", t("este campo es obligatorio"));
}
}
}
}
/**
* enviando las entradas
*/
function ahah_example_form_form_submit($form, &$form_state) {
if ($form_state['clicked_button']['#id'] == 'edit-submit-form') {
drupal_set_message(t("se enviaron los datos"));
drupal_goto('example/form1');
}
}