function contact_attach_form_alter in Contact Attach 7

Same name and namespace in other branches

1. 5 contact_attach.module \contact_attach_form_alter()
2. 6 contact_attach.module \contact_attach_form_alter()

Implements hook_form_alter().

File

./contact_attach.module, line 73

Allows attaching files to messages sent using contact forms.

Code

function contact_attach_form_alter(&$form, &$form_state, $form_id) {
  if ($form_id === 'contact_personal_form' && user_access('attach files on personal contact forms') || $form_id === 'contact_site_form' && user_access('attach files on site-wide contact form')) {
    switch ($form_id) {
      case 'contact_site_form':
        $contact_form_short = 'site';
        $contact_form_permission = 'attach files on site-wide contact form';
        break;
      case 'contact_personal_form':
        $contact_form_short = 'user';
        $contact_form_permission = 'attach files on personal contact forms';
        break;
    }
    $contact_attach_numbers = variable_get('contact_attach_number_' . $contact_form_short, array());
    $roles = _contact_attach_get_valid_roles($contact_form_permission, $contact_attach_numbers);
    if (module_exists('file') && variable_get('contact_attach_simple_field', 0) !== 1) {
      $file_field_type = 'managed_file';
    }
    else {
      $file_field_type = 'file';
    }

    // Send these values along to the form validation and submit handlers.
    $form['file_field_type'] = array(
      '#type' => 'value',
      '#value' => $file_field_type,
    );
    $form['attachments_allowed'] = array(
      '#type' => 'value',
      '#value' => _contact_attach_return_max_attachments($roles, $contact_attach_numbers),
    );
    $form['allowed_extensions'] = array(
      '#type' => 'value',
      '#value' => _contact_attach_return_allowed_extensions($roles, $contact_form_short),
    );
    $form['file_size_limit'] = array(
      '#type' => 'value',
      '#value' => _contact_attach_return_max_file_size($roles, $contact_form_short),
    );
    $description = t('Files must be less than !size.', array(
      '!size' => '<strong>' . format_size($form['file_size_limit']['#value']) . '</strong>',
    ));
    $description .= '<br />' . t('Allowed file types: !extensions.', array(
      '!extensions' => '<strong>' . $form['allowed_extensions']['#value'] . '</strong>',
    ));
    if ($form['attachments_allowed']['#value'] !== 1) {
      $form['attachments'] = array(
        '#type' => 'fieldset',
        '#title' => t('Attachments'),
      );
      $form['attachments']['#description'] = $description;
    }
    for ($i = 1; $i <= $form['attachments_allowed']['#value']; $i++) {
      $form['attachments']['contact_attach_' . $i] = array(
        '#type' => $form['file_field_type']['#value'],
        '#weight' => $i,
      );
      if ($form['attachments_allowed']['#value'] !== 1) {
        $form['attachments']['contact_attach_' . $i]['#title'] = t('Attachment #@i', array(
          '@i' => $i,
        ));
      }
      else {
        $form['attachments']['contact_attach_' . $i]['#title'] = t('Attachment');
        $form['attachments']['contact_attach_' . $i]['#description'] = $description;
      }
      if ($form['file_field_type']['#value'] === 'managed_file') {
        $form['attachments']['contact_attach_' . $i]['#upload_validators'] = array(
          'file_validate_extensions' => array(
            $form['allowed_extensions']['#value'],
          ),
          'file_validate_size' => array(
            (string) $form['file_size_limit']['#value'],
          ),
        );
        $form['attachments']['contact_attach_' . $i]['#progress_message'] = t('Attaching...');
      }
    }

    // Use only our form submission handler.
    $form['#submit'] = array(
      'contact_attach_' . $form_id . '_submit',
    );
    $form['actions']['submit']['#weight'] = $i + 1;
    if ($form['file_field_type']['#value'] === 'file') {

      // Add a form validation handler to validate attachments.
      $form['#validate'][] = 'contact_attach_contact_form_validate';
    }
  }
}