date_validation.validators.inc in Field Validation 7
Provides validation functionality and hooks
File
date_validation/date_validation.validators.incView source
<?php
/**
* @file
* Provides validation functionality and hooks
*/
/**
* Implements hook_field_validation_validators().
*
* This function returns an array of validators, in the validator key => options array form.
* Possible options:
* - name (required): name of the validator
* - field types (required): defines which field types can be validated by this validator. Specify 'all' to allow all types
* - custom_error (optional): define whether a user can specify a custom error message upon creating the validation rule.
* - custom_data (optional): define whether custom data can be added to the validation rule
* - description (optional): provide a descriptive explanation about the validator
*/
function date_validation_field_validation_validators() {
return array(
'date_range' => array(
'name' => "Date range",
'field_types' => array(
'textfield',
'date',
),
'custom_error' => TRUE,
'custom_data' => array(
'label' => t('Date range'),
'description' => t("Validates user-entered text against a specified date range. For example: '{global}[2012-02-10 08:30:00, 2012-02-13 20:30:00]', '{year}(02-10 08:30:00, 02-13 20:30:00]', '{month}(07 08:30:00, 13 20:30:00)', '{week}(1 08:30:00, 5 20:30:00)', '{day}[08:30:00, 20:30:00)', '{hour}[10:00, 35:00]', '{minute}[00, 35]', '{global}[now, +1 month]'."),
),
'description' => t("Validates user-entered text against a specified date range.For example: '{global}[2012-02-10 08:30:00, 2012-02-13 20:30:00]', '{year}(02-10 08:30:00, 02-13 20:30:00]', '{month}(07 08:30:00, 13 20:30:00)', '{week}(1 08:30:00, 5 20:30:00)', '{day}[08:30:00, 20:30:00)', '{hour}[10:00, 35:00]', '{minute}[00, 35]', '{global}[now, +1 month]'."),
),
);
}
/**
* Implements hook_field_validation_validate().
*/
function date_validation_field_validation_validate($validator_name, $rule, $entity, $langcode, $items, &$errors) {
if (!empty($items)) {
switch ($validator_name) {
case "date_range":
$date_range = _date_validation_date_range_check_data($rule['data']);
$unit = isset($date_range['unit']) ? $date_range['unit'] : 'global';
$start = isset($date_range['start']) ? $date_range['start'] : '';
$end = isset($date_range['end']) ? $date_range['end'] : '';
$start_contain = isset($date_range['start_contain']) ? $date_range['start_contain'] : TRUE;
$end_contain = isset($date_range['end_contain']) ? $date_range['end_contain'] : TRUE;
$less = isset($date_range['less']) ? $date_range['less'] : FALSE;
//debug($date_range);
foreach ($items as $delta => $item) {
$flag = FALSE;
$data = $item[$rule['col']];
if ($data != '') {
// support date, datetime
if (!is_numeric($data)) {
$data = strtotime($data);
}
$date_str = date("Y-m-d H:i:s", $data);
//drupal_set_message('123:'.$date_str);
//$unit= 'global';
if ($unit == 'year') {
$date_str = substr($date_str, 5);
}
elseif ($unit == 'month') {
$date_str = substr($date_str, 8);
}
elseif ($unit == 'week') {
$week_day = date('w', strtotime($date_str));
$date_str = substr($date_str, 10);
$date_str = $week_day . $date_str;
}
elseif ($unit == 'day') {
$date_str = substr($date_str, 11);
}
elseif ($unit == 'hour') {
$date_str = substr($date_str, 14);
}
elseif ($unit == 'minute') {
$date_str = substr($date_str, 17);
}
if ($date_str < $start) {
$flag = TRUE;
}
if ($date_str > $end) {
$flag = TRUE;
}
if (!$start_contain && $date_str == $start) {
$flag = TRUE;
}
if (!$end_contain && $date_str == $end) {
$flag = TRUE;
}
if ($less) {
$flag = $flag ? FALSE : TRUE;
}
if ($flag) {
$error = $rule['field_name'] . '][' . $langcode . '][' . $delta . '][' . $rule['col'];
$message = t($rule['error_message']);
form_set_error($error, check_plain($message));
}
}
}
break;
}
}
}
function _date_validation_date_range_check_data($data) {
$date_range = array(
'unit' => 'global',
'start_contain' => TRUE,
'start' => '',
'end' => '',
'end_contain' => TRUE,
'less' => FALSE,
);
// if no value was specified, don't validate
if ($data == '') {
return $date_range;
}
if (strpos($data, '}') !== FALSE) {
list($first, $second) = explode('}', $data);
//remove space
$first = trim($first);
//remove "{"
$first = substr($first, 1);
$date_range['unit'] = trim($first);
list($start_raw, $end_raw) = explode(',', $second);
//remove space
$start_raw = trim($start_raw);
$end_raw = trim($end_raw);
$start_contain = substr($start_raw, 0, 1);
if ($start_contain == '[') {
$date_range['start_contain'] = TRUE;
}
elseif ($start_contain == '(') {
$date_range['start_contain'] = FALSE;
}
$start = substr($start_raw, 1);
$date_range['start'] = trim($start);
$end = substr($end_raw, 0, strlen($end_raw) - 1);
$date_range['end'] = trim($end);
$end_contain = substr($end_raw, strlen($end_raw) - 1, 1);
if ($end_contain == ']') {
$date_range['end_contain'] = TRUE;
}
elseif ($end_contain == ')') {
$date_range['end_contain'] = FALSE;
}
//support php date format when unit = 'global'
if ($date_range['unit'] == 'global') {
$date_range['start'] = strtotime($date_range['start']);
$date_range['start'] = date("Y-m-d H:i:s", $date_range['start']);
$date_range['end'] = strtotime($date_range['end']);
$date_range['end'] = date("Y-m-d H:i:s", $date_range['end']);
}
//if end less than start, reverse;
//then we could support: {year}(10-10 08:30:00, 02-13 20:30:00]
if ($date_range['end'] < $date_range['start']) {
$date_range['less'] = TRUE;
$start = $date_range['start'];
$start_contain = $date_range['start_contain'];
$date_range['start'] = $date_range['end'];
$date_range['end'] = $start;
$date_range['start_contain'] = $date_range['end_contain'] ? FALSE : TRUE;
$date_range['end_contain'] = $start_contain ? FALSE : TRUE;
}
}
return $date_range;
}Functions
Name |
Description |
|---|---|
| date_validation_field_validation_validate | Implements hook_field_validation_validate(). |
| date_validation_field_validation_validators | Implements hook_field_validation_validators(). |
| _date_validation_date_range_check_data |