array($field['database']['columns']['value']['column']), 'joins' => array('LEFT JOIN {'. $field['database']['table'] .'} ON {'. $field['database']['table'] .'}.vid = n.vid'), ); } function signup_field_names($content_type = NULL) { $fields = array(); $content_type_info = _content_type_info(); if ($content_type_info['content types'][$content_type]) { foreach ($content_type_info['content types'][$content_type]['fields'] as $field) { if (in_array($field['type'], array('date', 'datestamp'))) { $fields[$field['field_name']] = $field['widget']['label']; } } } return $fields; } function signup_date_field($content_type) { $field_name = variable_get('signup_date_field_'. $content_type, 0); if ($field_name === 0 || $field_name == '0') { // PHP is completely evil and 'none' == 0 is TRUE, hence the extra checks. return FALSE; } if ($field_name == 'none') { return 'none'; } $field = content_fields($field_name, $content_type); if (empty($field)) { return array(); } $field['database'] = content_database_info($field); return $field; } /** * Returns a list of all cck fields that have been set for use in signups */ function signup_content_type_fields() { $fields = array(); foreach (signup_content_types() as $content_type) { $field = signup_date_field($content_type); if (!empty($field) && $field != 'none') { $fields[] = $field; } } return $fields; } /** * Determine if the specific node is date-enabled. */ function _signup_date_get_node_scheduler($node) { $field = signup_date_field($node->type); if (isset($node->{$field['field_name']})) { return 'date'; } if (isset($node->{$field['database']['columns']['value']['column']})) { return 'date'; } return 'none'; } /** * Alter the form for configuring CCK date fields on node types. * * Hooks into CCK Date fields to provide an option to use the current * field as the Signup date field (for autoclose and reminder emails). * * @see signup_form_alter() */ function _signup_date_field_form_alter($form_id, &$form) { $type = $form['type_name']['#value']; if (in_array($form['field_type']['#value'], array('date', 'datestamp')) && variable_get('signup_node_default_state_'. $type, 'disabled') != 'disabled') { $form['signup'] = array( '#type' => 'fieldset', '#title' => t('Signup settings'), '#collapsible' => TRUE, '#weight' => 1, ); $form['signup']['signup_date_field'] = _signup_date_field_element($type); $form['#submit']['_signup_date_field_form_submit'] = array(); // Make sure the submit button comes after the signup settings fieldset. $form['submit']['#weight'] = 50; } } /** * Custom submit handler for the CCK date field editing form. * * @see _signup_date_field_form_alter() */ function _signup_date_field_form_submit($form_id, $form_values) { $type = $form_values['type_name']; if (empty($form_values['signup_date_field'])) { variable_del('signup_date_field_'. $type); } else { variable_set('signup_date_field_'. $type, $form_values['signup_date_field']); } } /** * Alter the node type form to add a setting to select the signup date field. * * @see signup_alter_node_type_form() */ function _signup_date_alter_node_type_form($form_id, &$form) { drupal_add_js(drupal_get_path('module', 'signup') .'/js/admin.content_types.js'); drupal_add_css(drupal_get_path('module', 'signup') .'/signup.css'); $type = $form['#node_type']->type; $default_signup_state = variable_get('signup_node_default_state_'. $type, 'disabled'); // Add a div to the 'Signup options' radios for signup.date.js. $form['workflow']['signup_node_default_state']['#prefix'] = '
'; $form['workflow']['signup_node_default_state']['#suffix'] = '
'; // If event.module is enabled, add a div for those settings, too. if (!empty($form['workflow']['event_nodeapi'])) { $form['workflow']['event_nodeapi']['#prefix'] = '
'; $form['workflow']['event_nodeapi']['#suffix'] = '
'; $event_enabled = $form['workflow']['event_nodeapi']['#default_value'] != 'never'; } else { $event_enabled = FALSE; } // Figure out if we should hide the date field selector by default. $class = 'signup-date-field-setting'; if ($default_signup_state == 'disabled' || $event_enabled) { $class .= ' js-hide'; } $form['workflow']['signup_date_field'] = _signup_date_field_element($type); $form['workflow']['signup_date_field']['#prefix'] = '
'; $form['workflow']['signup_date_field']['#suffix'] = '
'; } /** * Create the FAPI form element for the signup date field. * * @param $type * The node type to generate the form element for. * * @return * FAPI form array for the signup date field element. * * @see _signup_date_field_form_alter() * @see _signup_date_alter_node_type_form() */ function _signup_date_field_element($type) { return array( '#type' => 'select', '#title' => t('Date field to use with signup'), '#options' => _signup_get_date_field_options($type), '#default_value' => variable_get('signup_date_field_'. $type, 0), '#description' => t('Select the date field of this content type to use for signup time-based functionality, such as automatically closing signups when the start time has passed and sending reminder emails. Select "%none" to not use a date field for signup functionality at all.', array('%none' => t('None'))), ); } /** * Check the signup and date configuration on node types depending on the URL. * * This function is invoked from signup_help() so that we can check the * configuration of any signup-enabled node types to ensure that the CCK date * field and signup settings make sense. * * @param $type * The 4th element in the URL which specifies which node type is currently * being configured. If this is empty, it means we're at the node type * overview listing and we should test all node types. * * @see signup_help() * @see signup_date_field_check_config() */ function signup_date_check_node_types($type = NULL) { $names = node_get_types('names'); if (!empty($type)) { signup_date_field_check_config($type, $names[$type]); } else { foreach ($names as $type => $name) { signup_date_field_check_config($type, $name); } } } /** * Check that the date and signup configuration for a node type makes sense. * * This validates that if a node type is signup enabled, that it either has a * signup date field selected (for autoclose and reminder emails), or that the * signup date field has been explicitly set to 'None'. It warns the site * administrator if they have signup-enabled a node type and not defined any * date fields at all, or if they have date fields but haven't selected the * one to use for signup functionality. * * @param $type * The node type to check signup and CCK date field configuration on. * @param $name * Human readable name of the node type to check. * * @return * Nothing -- configuration errors are reported via drupal_set_message(). * * @see signup_help() */ function signup_date_field_check_config($type, $name) { $signup_default_state = variable_get('signup_node_default_state_'. $type, 'disabled'); $signup_scheduler = _signup_get_node_type_scheduler($type); if ($signup_scheduler != 'event' && $signup_default_state != 'disabled') { // Signups aren't disabled on this node type, see if there's a date field. $signup_date_field = signup_date_field($type); if ($signup_date_field != 'none') { $placeholders = array( '%node_type' => $name, '%signup_date_field' => t('Date field to use with signup'), '@type_admin_url' => url('admin/content/types/'. $type), '@type_add_field_url' => url('admin/content/types/'. $type .'/add_field'), '%none' => t(''), ); // Administrator hasn't specifically turned off date support... if (signup_field_names($type)) { // Node type has some date fields... if ($signup_date_field == 0) { drupal_set_message(t('You have enabled the %node_type content type for signups, and have added one or more date fields, but have not selected a date field for use with signup. You can modify the %signup_date_field setting at the %node_type configuration page to select a date field to use, or disable this warning by selecting %none.', $placeholders), 'warning'); } } else { // No date fields at all. drupal_set_message(t('You have enabled the %node_type content type for signups but have not added a date field. You can either add a date field, or disable this warning by selecting %none for the %signup_date_field setting at the %node_type configuration page.', $placeholders), 'warning'); } } } } /** * Helper function for the date field select to build its options. * * @param $type * Content type whose date fields should be listed. * * @return * Associative array with all date fields of the given content type plus * 'None' and an optional 'Not specified' if the user never selected a * value. */ function _signup_get_date_field_options($type) { $options = array(); // Add "Not specified" if the user never selected a field. if (variable_get('signup_date_field_'. $type, 0) == 0) { $options = array(0 => t('')); } // Add any date fields from this node type. $options += signup_field_names($type); // Always add 'None' as the final choice. $options += array('none' => t('')); return $options; }