[development] AHAH Questions
ad4m
adam at ludwinski.net
Fri Mar 11 10:42:46 UTC 2011
Hello,
Also consider using AHAH Helper (http://www.drupal.org/project/ahah_helper)
module which significantly simplifies the usage of AHAH. Using AHAH Helper
you only need to implement o form building function and submit/validate
callbacks. The module comes with example module which explains the basic
usage of its API.
--
Kindest regards,
Adam Ludwinski
Weever Web Warehouse
mobile: +48 606 107 297
adam.ludwinski at weever.net
http://www.weever.net
Al. Jerozolimskie 87 piętro 2
02-001 Warszawa
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On 11 March 2011 09:12, Austin Einter <austin.einter at gmail.com> wrote:
> Thanks Randy.
> I will try to use those examples as a starting point.
>
> Thanks
> Austin
>
> On Fri, Mar 11, 2011 at 11:59 AM, Randy Fay <randy at randyfay.com> wrote:
>
>> Please start your investigations using the AHAH Example in the
>> Examples Project (http://drupal.org/project/examples) and
>> http://randyfay.com/ahah. If you build a form starting with that
>> foundation, then please come back for help at that point.
>>
>> Thanks,
>> -Randy
>>
>> On Thu, Mar 10, 2011 at 9:10 PM, Austin Einter <austin.einter at gmail.com>
>> wrote:
>> > Hi All
>> > I am quite new to AHAH, strugling to find how it works. I referred
>> > documentation and poll module.
>> > I want 3 fields in a fieldset, Company, Start-Date, End-Date.
>> >
>> > I have a button "Add More Company", if clicked, it should add a new row
>> > having Company, Start-Date, End-Date dynamically.
>> > How many times user clicks, those many rows needs to be added.
>> >
>> > To get the above mentioned form, I have put the code as below.
>> > However, on button click, new rows are not adding up.
>> >
>> > Please help me to find whats the error with code.
>> >
>> > Regards,
>> > Austin
>> >
>> > Code
>> > ===============================================
>> > <?php
>> > function submitresume_menu() {
>> > $items = array();
>> > $items['submitresume/form'] = array(
>> > 'title' => t('Submit Your Resume'),
>> > 'page callback' => 'submitresume_form',
>> > 'access arguments' => array('access content'),
>> > 'description' => t('Submit Your Resume'),
>> > 'type' => MENU_CALLBACK,
>> > );
>> > $items['submitresume/form/morecompanies'] = array(
>> > 'page callback' => 'submitresume_add_more_companies',
>> > 'access arguments' => array('access content'),
>> > 'type' => MENU_CALLBACK,
>> > );
>> > return $items;
>> > }
>> > function submitresume_form() {
>> > return drupal_get_form('submitresume_my_form');
>> > }
>> > function submitresume_my_form($form_state) {
>> > $form = array('#cache' => TRUE,);
>> > if (isset($form_state['all_companies'])) {
>> > $all_companies = $form_state['all_companies'];
>> > }
>> > else {
>> > $all_companies = 1;
>> > }
>> > //Add a wrapper for the companies and add more button.
>> > $form['work_history_wrapper'] = array(
>> > '#title' => t("Work history: Mention all the companies you gave worked
>> so
>> > far"),
>> > '#type' => 'fieldset',
>> > '#collapsible' => TRUE,
>> > '#collapsed' => FALSE,
>> > '#prefix' => '<div class="clear-block" id="work-history-wrapper">',
>> > '#suffix' => '</div>',
>> > );
>> > //Container for just companies
>> > $form['work_history_wrapper']['allcompanies'] = array(
>> > '#prefix' => '<div id="all-companies">',
>> > '#suffix' => '</div>',
>> > );
>> > for ($delta = 0; $delta < $all_companies; $delta++)
>> > {
>> > //Need to do: Get the company name, start date and end date, pass it
>> to
>> > submitresume_add_one_company_form, so that it is shown properly
>> > $form['work_history_wrapper']['allcompanies'][$delta] =
>> > submitresume_add_one_company_form($delta, $company_name, $compsdt,
>> > $compedt);
>> > }
>> > $form['work_history_wrapper']['morecompany'] = array(
>> > '#type' => 'button',
>> > '#value' => t('Add More Companies'),
>> > '#weight' => 1,
>> > '#submit' => array('add_more_companies_submit'), // If no javascript
>> > action.
>> > '#ahah' => array(
>> > 'path' => 'submitresume/form/morecompanies',
>> > 'wrapper' => 'all-companies',
>> > 'method' => 'replace',
>> > 'effect' => 'fade',
>> > ),
>> > );
>> >
>> > $form['submit'] = array(
>> > '#type' => 'submit',
>> > '#value' => 'Submit',
>> > );
>> > return $form;
>> > }
>> > function submitresume_add_one_company_form($delta, $company_name,
>> $compsdt,
>> > $compedt) {
>> > $form = array(
>> > '#tree' => TRUE,
>> > );
>> > $form['companies'] = array(
>> > '#type' => 'textfield',
>> > '#title' => t('Company')."-".$delta,
>> > '#parents' => array('allcompanies', $delta, 'companies'),
>> > '#size' => 30,
>> > '#maxlength' => 100,
>> > );
>> > $form['startdate'] = array(
>> > '#type' => 'date',
>> > '#title' => t('Start Date'),
>> > '#parents' => array('allcompanies', $delta, 'startdate'),
>> > );
>> > $form['enddate'] = array(
>> > '#type' => 'date',
>> > '#title' => t('End Date'),
>> > '#parents' => array('allcompanies', $delta, 'enddate'),
>> > );
>> > return $form;
>> > }
>> > function add_more_companies_submit($form, &$form_state) {
>> > // Set the form to rebuild and run submit handlers.
>> > node_form_submit_build_node($form, $form_state);
>> > // Make the changes we want to the form state.
>> > if ($form_state['values']['morecompany']) {
>> > $n = $_GET['q'] == 'submitresume/form/morecompanies' ? 1 : 5;
>> > $form_state['all_companies'] =
>> > count($form_state['values']['allcompanies']) + $n;
>> > }
>> > }
>> > function submitresume_add_more_companies() {
>> > include_once 'modules/node/node.pages.inc';
>> > $form_state = array('storage' => NULL, 'submitted' => FALSE);
>> > $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);
>> > // 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);
>> > // Render the new output.
>> > $choice_form = $form['work_history_wrapper']['allcompanies'];
>> > unset($choice_form['#prefix'], $choice_form['#suffix']); // Prevent
>> > duplicate wrappers.
>> > $output = theme('status_messages') . drupal_render($choice_form);
>> > drupal_json(array('status' => TRUE, 'data' => $output));
>> > }
>> > function submitresume_validate($form, &$form_state) {
>> > }
>> > function submitresume_submit($form, &$form_state) {
>> > drupal_set_message(t('The form has been submitted.'));
>> > }
>> > ?>
>> >
>>
>>
>>
>> --
>> Randy Fay
>> Drupal Module and Site Development
>> randy at randyfay.com
>> +1 970.462.7450
>>
>
>
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