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<?php
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// $Id: signup_edit_form.inc,v 1.6 2009/03/02 17:25:47 dww Exp $
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/**
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* @file
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* Code for the form to edit existing signups.
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*/
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/**
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* Build the form for editing existing signups.
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*
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* @param $form_state
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* The state of the form to build (not currently used).
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* @param $signup
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* The fully-loaded signup object with data about the signup to edit.
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* @param $type
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* The type of signup edit form to render, can be 'node', 'tab', or 'admin'.
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*
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* @return
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* The FAPI form array for the signup edit form.
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*/
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function signup_edit_form($form_state, $signup, $type) {
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global $user;
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$form = array();
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$form['#signup'] = $signup;
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$node = node_load($signup->nid);
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// Check permissions.
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$admin = _signup_menu_access($node, 'admin');
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$own = !empty($user->uid) && $user->uid == $signup->uid;
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$can_cancel = $admin || (user_access('cancel own signups') && $own);
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$can_edit = $admin || (user_access('edit own signups') && $own);
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if ($type == 'admin') {
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$title = t("Information for !user's signup to !node", array('!user' => _signup_get_username($signup, TRUE), '!node' => l($node->title, 'node/'. $node->nid)));
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}
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else {
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$title = t('Your signup information');
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}
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if ($type == 'node') {
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$form['elements'] = array(
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'#type' => 'fieldset',
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'#title' => $title,
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'#collapsible' => TRUE,
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'#collapsed' => variable_get('signup_fieldset_collapsed', 1),
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);
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}
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else {
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$form['elements'] = array();
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$form['elements']['header'] = array(
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'#type' => 'markup',
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'#value' => $title,
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'#prefix' => '<h4>',
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'#suffix' => '</h4>',
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);
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}
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if (!empty($signup->anon_mail)) {
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$form['elements']['signup_anon_mail'] = array(
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'#type' => 'textfield',
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'#title' => t('Email'),
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'#default_value' => $signup->anon_mail,
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'#size' => 40,
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'#maxlength' => 255,
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'#required' => TRUE,
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);
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$form['#validate'][] = 'signup_validate_anon_mail';
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}
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if ($admin) {
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$options = array();
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if (1|| !isset($signup->attended)) {
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$options[-1] = t('- Not recorded -');
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}
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$options[1] = theme('signup_attended_text', 1);
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$options[0] = theme('signup_attended_text', 0);
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$form['elements']['attended'] = array(
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'#type' => 'select',
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'#title' => t('Attendance'),
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'#default_value' => isset($signup->attended) ? $signup->attended : -1,
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'#options' => $options
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);
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}
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// Build the themed signup form for this site and include that.
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$site_form = theme('signup_user_form', $node);
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$form_data = unserialize($signup->form_data);
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// This is sort of a hack, but we don't support nested arrays for the custom
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// signup form anyway, so it works for now. Obviously all this will change
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// with signup_fields and friends, but for now it works.
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foreach ($form_data as $key => $value) {
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if (!empty($site_form['signup_form_data'][$key])) {
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$site_form['signup_form_data'][$key]['#default_value'] = $value;
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if (!$can_edit) {
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// If they can't edit, mark all the fields as disabled.
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$site_form['signup_form_data'][$key]['#disabled'] = TRUE;
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}
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}
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}
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$form['elements'] += $site_form;
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// Add the appropriate buttons based on permissions.
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if ($can_edit) {
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$form['elements']['save'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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'#submit' => array('signup_edit_form_save_submit'),
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);
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}
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if ($can_cancel) {
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if (isset($_REQUEST['destination'])) {
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$destination = drupal_get_destination();
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}
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else {
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// If there's no destination already set, redirect to the node.
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$destination = 'destination='. urlencode("node/$signup->nid");
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}
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$signup_token = signup_get_token($signup->sid, 'cancel');
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$form['elements']['cancel-signup'] = array(
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'#type' => 'markup',
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'#value' => l(t('Cancel signup'), "signup/cancel/$signup->sid/$signup_token", array('query' => $destination)),
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);
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}
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return $form;
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}
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/**
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* Validation callback when editing the anonymous email for an existing signup.
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*/
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function signup_validate_anon_mail($form, &$form_state) {
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$mail = $form_state['values']['signup_anon_mail'];
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if (!valid_email_address($mail)) {
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form_set_error('signup_anon_mail', t('The e-mail address %mail is not valid.', array('%mail' => $mail)));
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}
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}
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/**
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* Submit callback when saving changes to an existing signup.
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*/
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function signup_edit_form_save_submit($form, $form_state) {
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$signup = $form['#signup'];
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if (!empty($form_state['values']['signup_form_data'])) {
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$signup->form_data = $form_state['values']['signup_form_data'];
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}
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// If the form contains an e-mail address for an anonymous signup, save it.
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if (!empty($form_state['values']['signup_anon_mail'])) {
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$signup->anon_mail = $form_state['values']['signup_anon_mail'];
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}
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// If the form contains attendance info, save it.
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if (isset($form_state['values']['attended'])) {
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if ($form_state['values']['attended'] == -1) {
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unset($signup->attended);
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}
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else {
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$signup->attended = $form_state['values']['attended'];
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}
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}
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// Invoke hook_signup_data_alter() to let other modules change this.
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drupal_alter('signup_data', $signup, $form_state['values']);
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// Update the signup in the {signup_log} table.
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signup_save_signup($signup);
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// Because drupal_write_record() doesn't gracefully handle columns that can
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// be NULL, if the attendence was cleared out by this edit, we need to
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// manually set the DB record to NULL here.
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if (!isset($signup->attended)) {
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db_query("UPDATE {signup_log} SET attended = NULL WHERE sid = %d", $signup->sid);
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}
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drupal_set_message(t('Signup information updated.'));
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}
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/**
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* Page handler for the administrator page to edit an existing signup.
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*
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* @param $signup
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* The fully-loaded signup object to edit.
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*
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* @return
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* The HTML to use for the signup edit page.
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*/
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function signup_edit_page($signup) {
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drupal_set_title(t('Edit signup'));
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return drupal_get_form('signup_edit_form', $signup, 'admin');
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}
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