function poll_form

Implements hook_form().

File

modules/poll/poll.module, line 235

Code

function poll_form($node, &$form_state) {
    global $user;
    $admin = user_access('bypass node access') || user_access('edit any poll content') || user_access('edit own poll content') && $user->uid == $node->uid;
    $type = node_type_get_type($node);
    // The submit handlers to add more poll choices require that this form is
    // cached, regardless of whether Ajax is used.
    $form_state['cache'] = TRUE;
    $form['title'] = array(
        '#type' => 'textfield',
        '#title' => check_plain($type->title_label),
        '#required' => TRUE,
        '#default_value' => $node->title,
        '#maxlength' => 255,
        '#weight' => -5,
    );
    if (isset($form_state['choice_count'])) {
        $choice_count = $form_state['choice_count'];
    }
    else {
        $choice_count = max(2, empty($node->choice) ? 2 : count($node->choice));
    }
    // Add a wrapper for the choices and more button.
    $form['choice_wrapper'] = array(
        '#tree' => FALSE,
        '#weight' => -4,
        '#prefix' => '<div class="clearfix" id="poll-choice-wrapper">',
        '#suffix' => '</div>',
    );
    // Container for just the poll choices.
    $form['choice_wrapper']['choice'] = array(
        '#prefix' => '<div id="poll-choices">',
        '#suffix' => '</div>',
        '#theme' => 'poll_choices',
    );
    // Add the current choices to the form.
    $delta = 0;
    $weight = 0;
    if (isset($node->choice)) {
        $delta = count($node->choice);
        foreach ($node->choice as $chid => $choice) {
            $key = 'chid:' . $chid;
            $form['choice_wrapper']['choice'][$key] = _poll_choice_form($key, $choice['chid'], $choice['chtext'], $choice['chvotes'], $choice['weight'], $choice_count);
            $weight = max($choice['weight'], $weight);
        }
    }
    // Add initial or additional choices.
    $existing_delta = $delta;
    for ($delta; $delta < $choice_count; $delta++) {
        $key = 'new:' . ($delta - $existing_delta);
        // Increase the weight of each new choice.
        $weight++;
        $form['choice_wrapper']['choice'][$key] = _poll_choice_form($key, NULL, '', 0, $weight, $choice_count);
    }
    // We name our button 'poll_more' to avoid conflicts with other modules using
    // Ajax-enabled buttons with the id 'more'.
    $form['choice_wrapper']['poll_more'] = array(
        '#type' => 'submit',
        '#value' => t('More choices'),
        '#attributes' => array(
            'title' => t("If the amount of boxes above isn't enough, click here to add more choices."),
        ),
        '#weight' => 1,
        '#limit_validation_errors' => array(
            array(
                'choice',
            ),
        ),
        '#submit' => array(
            'poll_more_choices_submit',
        ),
        '#ajax' => array(
            'callback' => 'poll_choice_js',
            'wrapper' => 'poll-choices',
            'effect' => 'fade',
        ),
    );
    // Poll attributes
    $duration = array(
        // 1-6 days.
86400,
        2 * 86400,
        3 * 86400,
        4 * 86400,
        5 * 86400,
        6 * 86400,
        // 1-3 weeks (7 days).
604800,
        2 * 604800,
        3 * 604800,
        // 1-3,6,9 months (30 days).
2592000,
        2 * 2592000,
        3 * 2592000,
        6 * 2592000,
        9 * 2592000,
        // 1 year (365 days).
31536000,
    );
    $duration = array(
        0 => t('Unlimited'),
    ) + drupal_map_assoc($duration, 'format_interval');
    $active = array(
        0 => t('Closed'),
        1 => t('Active'),
    );
    $form['settings'] = array(
        '#type' => 'fieldset',
        '#collapsible' => TRUE,
        '#title' => t('Poll settings'),
        '#weight' => -3,
        '#access' => $admin,
    );
    $form['settings']['active'] = array(
        '#type' => 'radios',
        '#title' => t('Poll status'),
        '#default_value' => isset($node->active) ? $node->active : 1,
        '#options' => $active,
        '#description' => t('When a poll is closed, visitors can no longer vote for it.'),
        '#access' => $admin,
    );
    $form['settings']['runtime'] = array(
        '#type' => 'select',
        '#title' => t('Poll duration'),
        '#default_value' => isset($node->runtime) ? $node->runtime : 0,
        '#options' => $duration,
        '#description' => t('After this period, the poll will be closed automatically.'),
    );
    return $form;
}