webform_confirm_email.admin.inc in Webform Confirm Email Address 7

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webform_confirm_email.admin.inc
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<?php

/**
 * @file
 */
require_once 'webform_confirm_email.inc';

/**
 * Implements hook_webform_component_delete().
 *
 * If a webform component is being deleted we check
 * if this component is an email address field and this
 * field is used as the email "To:" field the settings
 * in the webform_confirm_email table are deleted;
 * note that the yet not send confirmation mails are not
 * deleted
 *
 * @param $component
 *   The Webform component being deleted.
 */
function webform_confirm_email_webform_component_delete($component) {
  $nid = (int) $component['nid'];
  $cid = (int) $component['cid'];
  if (!$nid || !$cid) {
    return;
  }
  $results = db_query('SELECT eid ' . '  FROM {webform_emails} ' . '    WHERE nid = :nid ' . '    AND email = :email ', array(
    ':nid' => $nid,
    ':email' => $cid,
  ));
  foreach ($results as $wfemail) {
    if (empty($wfemail->eid)) {
      continue;
    }
    $eid = (int) $wfemail->eid;
    db_delete('webform_confirm_email')
      ->condition('nid', $nid)
      ->condition('eid', $eid)
      ->execute();

    // the webform module should take care of the following but since it doesn't...
    db_delete('webform_emails')
      ->condition('nid', $nid)
      ->condition('eid', $eid)
      ->execute();
  }
}

/**
 * callback function set in hook_menu().
 *
 * It creates the email settings form for the confirmation request emails;
 * It is called for new emails to be set or for existing emails to be edited
 */
function webform_confirm_email_confirmation_request_email_edit($node, $email = array()) {
  $form_id = 'webform_email_edit_form';
  $form_state = array(
    'build_info' => array(
      'args' => array(
        $node,
        $email,
      ),
    ),
    'submit_handlers' => array(
      'webform_email_edit_form_submit',
      '_webform_confirm_email_edit_confirmation_request_email_submit',
    ),
  );
  $form_state += form_state_defaults();
  if (!isset($form_state['input'])) {
    $form_state['input'] = $form_state['method'] == 'get' ? $_GET : $_POST;
  }
  $form = drupal_retrieve_form($form_id, $form_state);

  // ********* add the redirect URL form field ************
  $redirect_url = NULL;
  if (!empty($email['eid'])) {
    $redirect_url = db_query('SELECT redirect_url ' . '  FROM {webform_confirm_email} ' . '    WHERE nid = :nid ' . '    AND   eid = :eid ', array(
      ':nid' => $node->nid,
      ':eid' => $email['eid'],
    ))
      ->fetchField();
  }
  $form['redirect_url_option'] = array(
    '#type' => 'radios',
    '#title' => t('Set the redirect URL'),
    '#description' => t('Choose between default and custom redirect URL'),
    '#default_value' => $redirect_url ? 'custom' : 'default',
  );
  $form['redirect_url_option']['#options']['default'] = t('Default redirect URL from the webform: %value', array(
    '%value' => $node->webform['redirect_url'],
  ));
  $form['redirect_url_option']['#options']['custom'] = t('Custom redirect URL');
  $form['redirect_url_custom'] = array(
    '#type' => 'textfield',
    '#default_value' => $redirect_url ? $redirect_url : NULL,
  );
  drupal_prepare_form($form_id, $form, $form_state);
  drupal_process_form($form_id, $form, $form_state);
  $form['redirect_url_custom']['#attributes']['class'] = array(
    'webform-set-active',
  );
  $form['redirect_url_option']['custom']['#theme_wrappers'] = array(
    'webform_inline_radio',
  );
  $form['redirect_url_option']['custom']['#inline_element'] = drupal_render($form['redirect_url_custom']);
  $form['redirect_url_option']['default']['#theme_wrappers'] = array(
    'webform_inline_radio',
  );

  // ********* add help text for the %confirm_url token ************
  $instructions = $form['template']['tokens']['#markup'];
  $search = '<p>' . t('You may use special tokens in this field that will be replaced with dynamic values.') . '</p>';
  $confirmation_tokens = array(
    t('@confirm_url - URL that is emailed to a submitee that will confirm his/her email address.', array(
      '@confirm_url' => '%confirm_url',
    )),
  );
  $replace = $search . theme('item_list', array(
    'items' => $confirmation_tokens,
    'title' => t('Email confirmation variables'),
  ));
  $form['template']['tokens']['#markup'] = str_replace($search, $replace, $instructions);
  return $form;
}

/**
 * submit handler for confirmation request emails edit form
 */
function _webform_confirm_email_edit_confirmation_request_email_submit($form, &$form_state) {
  if (isset($form_state['values']['eid']) == TRUE && isset($form['node']['#value']->nid) == TRUE) {
    $obj['nid'] = $form['node']['#value']->nid;
    $obj['email_type'] = WEBFORM_CONFIRM_EMAIL_CONFIRMATION_REQUEST;
    $obj['redirect_url'] = $form_state['values']['redirect_url_option'] === 'custom' ? $form_state['values']['redirect_url_custom'] : NULL;
    if (empty($form['eid']['#value']) == TRUE) {

      //-> new email
      $obj['eid'] = $form_state['values']['eid'];
      drupal_write_record('webform_confirm_email', $obj);
    }
    else {
      $obj['eid'] = $form['eid']['#value'];
      drupal_write_record('webform_confirm_email', $obj, array(
        'nid',
        'eid',
      ));
    }
  }
}

/**
 * Submit callback for the delete button from the main emails form.
 * We use this callback to validate whether a confirmation request
 * email can be deleted or not.
 */
function webform_confirm_email_email_delete($form, &$form_state) {
  $eid = $form_state['triggering_element']['#eid'];
  if ($form_state['triggering_element']['#email_type_form'] == 'confirmation_request') {
    if (_webform_confirm_email_verify_email_setup($form['#node']->nid, 'delete_confirmation_request_email', $eid) == FALSE) {
      drupal_set_message(t('Deleting the only confirmation request email but still having some confirmation email(s) leads to unwanted behavior. Please delete all confirmation email(s) first.'), 'error');
      form_error($form['confirmation_request'][$eid]);
      return FALSE;
    }
  }
  $form_state['redirect'] = array(
    'node/' . $form['#node']->nid . '/webform/' . $form_state['triggering_element']['#email_type_form'] . '/' . $eid . '/delete',
  );
}

/**
 * callback function set in hook_menu().
 *
 * It creates the delete email form
 */
function webform_confirm_email_delete($node, $email = array()) {
  $form_state = array(
    'build_info' => array(
      'args' => array(
        $node,
        $email,
      ),
    ),
    'submit_handlers' => array(
      'webform_email_delete_form_submit',
      '_webform_confirm_email_delete_submit',
    ),
  );
  $form = drupal_build_form('webform_email_delete_form', $form_state);
  return $form;
}

/**
 * submit handler for deleting confirmation request emails
 */
function _webform_confirm_email_delete_submit($form, &$form_state) {
  $node = $form_state['values']['node'];
  $email = $form_state['values']['email'];
  if (isset($email['eid']) == TRUE && isset($node->nid) == TRUE) {
    db_query('DELETE FROM {webform_confirm_email} ' . '  WHERE nid = :nid ' . '  AND   eid = :eid ', array(
      ':nid' => $node->nid,
      ':eid' => $email['eid'],
    ));
  }
}

/**
 * callback function set in hook_menu().
 * It creates the email settings form for the confirmation request emails
 */
function webform_confirm_email_confirmation_email_edit($node, $email = array()) {
  $form_state = array(
    'build_info' => array(
      'args' => array(
        $node,
        $email,
      ),
    ),
    'submit_handlers' => array(
      'webform_email_edit_form_submit',
      '_webform_confirm_email_edit_confirmation_email_submit',
    ),
  );
  $form = drupal_build_form('webform_email_edit_form', $form_state);
  $form['#theme'] = array(
    'webform_email_edit_form',
  );
  return $form;
}

/**
 * submit handler for confirmation request emails edit form
 *
 * this generously borrows code from the webform_email_edit_form_submit
 * function of the webform module
 */
function _webform_confirm_email_edit_confirmation_email_submit($form, &$form_state) {
  if (isset($form_state['values']['eid']) == TRUE && isset($form['node']['#value']->nid) == TRUE) {
    $obj['eid'] = $form_state['values']['eid'];
    $obj['nid'] = $form['node']['#value']->nid;
    $obj['email_type'] = WEBFORM_CONFIRM_EMAIL_CONFIRMATION;
    if (empty($form['eid']['#value']) == TRUE) {

      //-> new email
      $obj['eid'] = $form_state['values']['eid'];
      drupal_write_record('webform_confirm_email', $obj);
    }
    else {
      $obj['eid'] = $form['eid']['#value'];
      drupal_write_record('webform_confirm_email', $obj, array(
        'nid',
        'eid',
      ));
    }
  }
}

/**
 * helper function to make the validate and submit handlers of webform happy
 */
function webform_confirm_email_webform_emails_form_validate(&$form, &$form_state) {
  foreach (array(
    'email_option',
    'email_component',
  ) as $index) {
    if (isset($form_state['values'][$index]) == FALSE) {
      $form_state['values'][$index] = NULL;
    }
  }
}

/**
 * Implements hook_form_FORM_ID_alter()
 *
 * this alters the webform_emails_form form; it is split in 3 sections, 1 section
 * for standard emails, one for confirmation request emails and one for confirmation
 * emails
 */
function webform_confirm_email_form_webform_emails_form_alter(&$form, &$form_state) {

  // ******** standard emails ********
  $eids = db_query('SELECT we.eid ' . '  FROM {webform_emails} we ' . '  LEFT JOIN {webform_confirm_email} wce ' . '      ON  we.nid = wce.nid ' . '      AND we.eid = wce.eid ' . '    WHERE we.nid  = :nid ' . '    AND   wce.eid IS NULL ', array(
    ':nid' => (int) $form['#node']->nid,
  ))
    ->fetchCol();
  foreach ($eids as $eid) {
    $form['emails'][$eid]['delete_button'] = array(
      '#type' => 'submit',
      '#name' => 'delete_emails_' . $eid,
      '#value' => t('Delete'),
      '#email_type_form' => 'emails',
      '#eid' => $eid,
      '#submit' => array(
        'webform_confirm_email_email_delete',
      ),
    );
  }
  unset($form['add']);
  $form['emails']['add_button'] = $form['add_button'];
  unset($form['add_button']);
  $form['emails']['add_button']['#value'] = t('Add standard email');
  $form['emails']['add_button']['#submit'] = array(
    'webform_emails_form_submit',
  );
  array_unshift($form['#validate'], 'webform_confirm_email_webform_emails_form_validate');

  // ******** confirmation request emails ********
  $query = db_query('SELECT eid, redirect_url ' . '  FROM {webform_confirm_email} ' . '    WHERE nid        = :nid ' . '    AND   email_type = :type', array(
    ':nid' => (int) $form['#node']->nid,
    ':type' => WEBFORM_CONFIRM_EMAIL_CONFIRMATION_REQUEST,
  ))
    ->fetchAllKeyed();
  $form['confirmation_request'] = array();
  foreach ($query as $eid => $redirect_url) {
    $form['confirmation_request'][$eid]['email'] = $form['emails'][$eid]['email'];
    $form['confirmation_request'][$eid]['subject'] = $form['emails'][$eid]['subject'];
    $form['confirmation_request'][$eid]['from'] = $form['emails'][$eid]['from'];
    $form['confirmation_request'][$eid]['redirect_url'] = array(
      '#markup' => $redirect_url == NULL ? 'default' : $redirect_url,
    );
    $form['confirmation_request'][$eid]['delete_button'] = array(
      '#type' => 'submit',
      '#name' => 'delete_confirmation_request_' . $eid,
      '#value' => t('Delete'),
      '#email_type_form' => 'confirmation_request',
      '#eid' => $eid,
      '#submit' => array(
        'webform_confirm_email_email_delete',
      ),
    );
    unset($form['emails'][$eid]);
  }
  $form['confirmation_request']['add_button'] = array(
    '#type' => 'submit',
    '#value' => t('Add confirmation request mail'),
    '#submit' => array(
      'webform_confirm_email_confirmation_request_email_add',
    ),
    '#weight' => 45,
  );

  // ******** confirmation emails ********
  $eids = db_query('SELECT eid ' . '  FROM {webform_confirm_email} ' . '    WHERE nid        = :nid ' . '    AND   email_type = :type ', array(
    ':nid' => (int) $form['#node']->nid,
    ':type' => WEBFORM_CONFIRM_EMAIL_CONFIRMATION,
  ))
    ->fetchCol();
  $form['confirmation'] = array();
  foreach ($eids as $eid) {
    $form['confirmation'][$eid]['email'] = $form['emails'][$eid]['email'];
    $form['confirmation'][$eid]['subject'] = $form['emails'][$eid]['subject'];
    $form['confirmation'][$eid]['from'] = $form['emails'][$eid]['from'];
    $form['confirmation'][$eid]['delete_button'] = array(
      '#type' => 'submit',
      '#name' => 'delete_confirmation_' . $eid,
      '#value' => t('Delete'),
      '#email_type_form' => 'confirmation',
      '#eid' => $eid,
      '#submit' => array(
        'webform_confirm_email_email_delete',
      ),
    );
    unset($form['emails'][$eid]);
  }
  $form['confirmation']['add_button'] = array(
    '#type' => 'submit',
    '#value' => t('Add confirmation mail'),
    '#submit' => array(
      'webform_confirm_email_confirmation_email_add',
    ),
    '#weight' => 45,
  );
}

/**
 * submit handler callback from the confirmation request email add button
 *
 * set a redirect to the path node/xx/webform/confirmation_request/new where
 * in hook_menu a page callback is defined: webform_confirm_email_confirmation_request_edit
 */
function webform_confirm_email_confirmation_request_email_add($form, &$form_state) {
  $form_state['redirect'] = array(
    'node/' . $form['#node']->nid . '/webform/confirmation_request/new',
  );
}

/**
 * Helper funciton to ensure that confirmation emails can only be added
 * when there is already a confirmation request email defined;
 * In the same sense, the last confirmation request email can only be
 * deleted when there is no confirmation email defined;
 */
function _webform_confirm_email_verify_email_setup($nid, $operation = 'add_confirmation_email', $eid = NULL) {
  $confirmation_request_emails = db_query('SELECT eid ' . '  FROM {webform_confirm_email} ' . '    WHERE nid        = :nid ' . '    AND   email_type = :type ', array(
    ':nid' => (int) $nid,
    ':type' => WEBFORM_CONFIRM_EMAIL_CONFIRMATION_REQUEST,
  ))
    ->fetchCol();
  switch ($operation) {
    case 'add_confirmation_email':
      return $confirmation_request_emails == FALSE ? FALSE : TRUE;
      break;
    case 'delete_confirmation_request_email':
      if (count($confirmation_request_emails) == 1) {

        // we're deleting the last confirmation request email for this nid;
        // if there are no confirmation emails, than that's OK
        $confirmation_emails_exist = db_query('SELECT eid ' . '  FROM {webform_confirm_email} ' . '    WHERE nid        = :nid ' . '    AND   email_type = :type ', array(
          ':nid' => (int) $nid,
          ':type' => WEBFORM_CONFIRM_EMAIL_CONFIRMATION,
        ))
          ->fetchCol();
        return $confirmation_emails_exist ? FALSE : TRUE;
      }
      break;
  }
  return TRUE;
}

/**
 * submit handler callback from the confirmation email add button
 *
 * set a redirect to the path node/xx/webform/confirmation/new where
 * in hook_menu a page callback is defined: webform_confirm_email_confirmation_edit
 */
function webform_confirm_email_confirmation_email_add($form, &$form_state) {
  if (_webform_confirm_email_verify_email_setup($form['#node']->nid) == FALSE) {
    drupal_set_message(t('Adding a confirmation email without having at least one confirmation request email leads to unwanted behavior. Please create a confirmation request email first.'), 'error');
    return FALSE;
  }
  $form_state['redirect'] = array(
    'node/' . $form['#node']->nid . '/webform/confirmation/new',
  );
}

/**
 * implements hook_theme_registry_alter().
 *
 * insert 2 theme hooks for the 'webform_emails_form' and the 'webform_email_add_form'
 */
function webform_confirm_email_theme_registry_alter(&$theme_registry) {
  $theme_registry['webform_emails_form']['function'] = 'theme_webform_confirm_email_emails_form';
  $theme_registry['webform_email_add_form']['function'] = 'theme_webform_confirm_email_email_add_form';
}

/**
 * theme hook defined in hook_theme_registry_alter().
 *
 * includes the original theme hook for the 'webform_emails_form' and adds handling of
 * confirmation request emails and confirmation emails
 */
function theme_webform_confirm_email_emails_form($variables) {
  $form =& $variables['form'];
  $node =& $form['#node'];
  $header = array(
    t('E-mail to'),
    t('Subject'),
    t('From'),
    array(
      'data' => t('Operations'),
      'colspan' => 2,
    ),
  );
  $header_confirmation_request = array(
    t('E-mail to'),
    t('Subject'),
    t('From'),
    t('Redirect URL'),
    array(
      'data' => t('Operations'),
      'colspan' => 2,
    ),
  );
  $output = '';
  foreach (array(
    'emails' => 'Standard emails (always send)',
    'confirmation_request' => 'Confirmation request emails (always send)',
    'confirmation' => 'Confirmation emails (only send when the confirmation URL is used)',
  ) as $email_type => $title) {
    $rows = array();
    $eids = element_children($form[$email_type]);
    if (array_search('add_button', $eids) !== FALSE) {
      unset($eids[array_search('add_button', $eids)]);
    }
    if (array_search('add', $eids) !== FALSE) {
      unset($eids[array_search('add', $eids)]);
    }
    if (count($eids) > 0) {
      foreach ($eids as $eid) {

        // Add each component to a table row.
        $new_row = array(
          drupal_render($form[$email_type][$eid]['email']),
          drupal_render($form[$email_type][$eid]['subject']),
          drupal_render($form[$email_type][$eid]['from']),
        );
        if ($email_type == 'confirmation_request') {
          $new_row[] = drupal_render($form[$email_type][$eid]['redirect_url']);
        }
        $new_row[] = l(t('Edit'), 'node/' . $node->nid . '/webform/' . $email_type . '/' . $eid);
        $new_row[] = drupal_render($form[$email_type][$eid]['delete_button']);
        $rows[] = $new_row;
      }
    }
    else {
      switch ($email_type) {
        case 'emails':
          $no_email_comment = t('Currently not sending standard e-mails, add a standard email by clicking the button below.');
          break;
        case 'confirmation_request':
          $no_email_comment = t('Currently not sending confirmation request e-mails, add a confirmation request email by clicking the button below.');
          break;
        case 'confirmation':
          $no_email_comment = t('Currently not sending confirmation e-mails, add a confirmation email by clicking the button below.');
          break;
      }
      $rows[] = array(
        array(
          'data' => $no_email_comment,
          'colspan' => 5,
        ),
      );
    }

    // Add a row containing form elements for a new item.
    $row_add_email = array(
      array(
        'colspan' => $email_type == 'confirmation_request' ? 4 : 3,
        'data' => drupal_render($form[$email_type]['add']),
      ),
      array(
        'colspan' => 2,
        'data' => drupal_render($form[$email_type]['add_button']),
      ),
    );
    $rows[] = array(
      'data' => $row_add_email,
      'class' => array(
        'webform-add-form',
      ),
    );
    $output .= '<h2>' . $title . '</h2>';
    $output .= theme('table', array(
      'header' => $email_type == 'confirmation_request' ? $header_confirmation_request : $header,
      'rows' => $rows,
      'attributes' => array(
        'id' => 'webform-' . $email_type,
      ),
    ));
  }
  $output .= drupal_render_children($form);
  return $output;
}

/**
 * theme hook defined in hook_theme_registry_alter().
 *
 * includes the original theme hook for the 'webform_email_add_form' and adds handling of
 * confirmation request emails and confirmation emails
 */
function theme_webform_confirm_email_email_add_form($form) {
  $email_type = $form['#array_parents'][0];

  // Add a default value to the custom e-mail textfield.
  $form[$email_type . '_custom']['#attributes']['rel'] = t('email@example.com');
  $form[$email_type . '_custom']['#attributes']['class'] = 'webform-set-active webform-default-value';
  $form[$email_type . '_option']['custom']['#title'] = $form[$email_type . '_option']['custom']['#title'] . ': ' . drupal_render($form[$email_type . '_custom']);

  // Render the component value.
  $form[$email_type . '_component']['#attributes']['class'] = 'webform-set-active';
  $form[$email_type . '_option']['component']['#title'] = $form[$email_type . '_option']['component']['#title'] . ': ' . drupal_render($form[$email_type . '_component']);

  // For spacing consistency, every option is wrapped in webform-container-inline.
  foreach (element_children($form[$email_type . '_option']) as $option) {
    $form[$email_type . '_option'][$option]['#prefix'] = '<div class="webform-container-inline">';
    $form[$email_type . '_option'][$option]['#suffix'] = '</div>';
  }
  return $form;
}
function webform_confirm_email_settings($form, &$form_state, $node) {
  $lifetime = array(
    'days' => NULL,
    'hours' => NULL,
    'minutes' => NULL,
  );
  $delete_submissions = FALSE;
  if (!empty($node)) {
    $form['#node'] = $node;
    $result = db_query('SELECT request_lifetime, delete_submissions ' . '  FROM {webform_confirm_email} ' . '    WHERE nid = :nid ' . '  LIMIT 1 ', array(
      ':nid' => $node->nid,
    ))
      ->fetchObject();
    if (isset($result->request_lifetime) && isset($result->delete_submissions)) {
      $delete_submissions = $result->delete_submissions;
      $lifetime['days'] = (int) ($result->request_lifetime / 86400);
      $lifetime['hours'] = (int) ($result->request_lifetime % 86400 / 3600);
      $lifetime['minutes'] = (int) ($result->request_lifetime % 86400 % 3600) / 60;
      foreach (array(
        'days',
        'hours',
        'minutes',
      ) as $key) {
        if ($lifetime[$key] == 0) {
          $lifetime[$key] = NULL;
        }
      }
    }
  }
  $form['request_lifetime'] = array(
    '#type' => 'fieldset',
    '#title' => t('Confirmation Request Lifetime'),
    '#description' => t('Specify the lifetime of confirmation requests before they get deleted automatically. That means, webform_confirm_email deletes it\'s internal data about the expired confirmation requests. To not delete any requests leave fields blank.'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#weight' => 0,
  );
  $form['request_lifetime']['lifetime-container'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => array(
        'clearfix',
      ),
    ),
  );
  $form['request_lifetime']['lifetime-container']['days'] = array(
    '#type' => 'textfield',
    '#title' => t('Days'),
    '#maxlength' => 3,
    '#size' => 3,
    '#default_value' => $lifetime['days'],
    '#attributes' => array(
      'class' => array(
        'webform-confirm-email-request-lifetime-days',
      ),
    ),
  );
  $form['request_lifetime']['lifetime-container']['hours'] = array(
    '#type' => 'textfield',
    '#title' => t('Hours'),
    '#maxlength' => 2,
    '#size' => 2,
    '#default_value' => $lifetime['hours'],
    '#attributes' => array(
      'class' => array(
        'webform-confirm-email-request-lifetime-hours',
      ),
    ),
  );
  $form['request_lifetime']['lifetime-container']['minutes'] = array(
    '#type' => 'textfield',
    '#title' => t('Minutes'),
    '#maxlength' => 2,
    '#size' => 2,
    '#default_value' => $lifetime['minutes'],
    '#attributes' => array(
      'class' => array(
        'webform-confirm-email-request-lifetime-minutes',
      ),
    ),
  );
  $form['request_lifetime']['lifetime-container']['delete_submissions'] = array(
    '#type' => 'checkbox',
    '#title' => t('Delete submissions'),
    '#description' => t('If checked then not only webform_confirm_email\'s internal data but also the submissions themselfs will be deleted. If unchecked, only webform_confirm_email\'s internal data will be deleted.'),
    '#default_value' => $delete_submissions,
  );
  $form['actions'] = array(
    '#type' => 'actions',
    '#weight' => 3,
  );
  $form['actions']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save configuration'),
  );
  return $form;
}
function webform_confirm_email_settings_validate($form, &$form_state) {
  foreach (array(
    'days',
    'hours',
    'minutes',
  ) as $field_name) {
    if (!empty($form_state['values'][$field_name]) && preg_match('/^\\d*$/', $form_state['values'][$field_name]) != 1) {
      form_error($form['request_lifetime'][$field_name], t('The entered value %value is not a number.', array(
        '%value' => $form_state['values'][$field_name],
      )));
    }
  }
  if (!empty($form_state['values']['hours']) && (int) $form_state['values']['hours'] > 23) {
    form_error($form['request_lifetime']['hours'], t('Hours must be smaller than 24.'));
  }
  if (!empty($form_state['values']['minutes']) && (int) $form_state['values']['minutes'] > 59) {
    form_error($form['request_lifetime']['minutes'], t('Minutes must be smaller than 60.'));
  }
}
function webform_confirm_email_settings_submit($form, &$form_state) {
  if (!empty($form['#node'])) {
    $lifetime = 0;
    if (!empty($form_state['values']['days'])) {
      $lifetime += (int) $form_state['values']['days'] * 86400;
    }
    if (!empty($form_state['values']['hours'])) {
      $lifetime += (int) $form_state['values']['hours'] * 3600;
    }
    if (!empty($form_state['values']['minutes'])) {
      $lifetime += (int) $form_state['values']['minutes'] * 60;
    }
    db_query('UPDATE {webform_confirm_email} ' . '  SET request_lifetime   = :lifetime , ' . '      delete_submissions = :delete_submissions ' . '  WHERE nid = :nid ', array(
      ':lifetime' => $lifetime,
      ':nid' => $form['#node']->nid,
      ':delete_submissions' => $form_state['values']['delete_submissions'],
    ));
    drupal_set_message(t('The confirmation mail settings have been updated.'));
  }
}
Functions

Name	Description
theme_webform_confirm_email_emails_form	theme hook defined in hook_theme_registry_alter().
theme_webform_confirm_email_email_add_form	theme hook defined in hook_theme_registry_alter().
webform_confirm_email_confirmation_email_add	submit handler callback from the confirmation email add button
webform_confirm_email_confirmation_email_edit	callback function set in hook_menu(). It creates the email settings form for the confirmation request emails
webform_confirm_email_confirmation_request_email_add	submit handler callback from the confirmation request email add button
webform_confirm_email_confirmation_request_email_edit	callback function set in hook_menu().
webform_confirm_email_delete	callback function set in hook_menu().
webform_confirm_email_email_delete	Submit callback for the delete button from the main emails form. We use this callback to validate whether a confirmation request email can be deleted or not.
webform_confirm_email_form_webform_emails_form_alter	Implements hook_form_FORM_ID_alter()
webform_confirm_email_settings
webform_confirm_email_settings_submit
webform_confirm_email_settings_validate
webform_confirm_email_theme_registry_alter	implements hook_theme_registry_alter().
webform_confirm_email_webform_component_delete	Implements hook_webform_component_delete().
webform_confirm_email_webform_emails_form_validate	helper function to make the validate and submit handlers of webform happy
_webform_confirm_email_delete_submit	submit handler for deleting confirmation request emails
_webform_confirm_email_edit_confirmation_email_submit	submit handler for confirmation request emails edit form
_webform_confirm_email_edit_confirmation_request_email_submit	submit handler for confirmation request emails edit form
_webform_confirm_email_verify_email_setup	Helper funciton to ensure that confirmation emails can only be added when there is already a confirmation request email defined; In the same sense, the last confirmation request email can only be deleted when there is no confirmation email defined;
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webform_confirm_email.admin.inc in Webform Confirm Email Address 7

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