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<?php
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/**
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* @file
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* Defines numeric field types.
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*/
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/**
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* Implements hook_help().
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*/
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function number_help($path, $arg) {
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switch ($path) {
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case 'admin/help#number':
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$output = '';
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$output .= '<h3>' . t('About') . '</h3>';
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$output .= '<p>' . t('The Number module defines various numeric field types for the Field module. Numbers can be in integer, decimal, or floating-point form, and they can be formatted when displayed. Number fields can be limited to a specific set of input values or to a range of values. See the <a href="@field-help">Field module help page</a> for more information about fields.', array('@field-help' => url('admin/help/field'))) . '</p>';
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return $output;
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}
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}
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/**
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* Implements hook_field_info().
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*/
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function number_field_info() {
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return array(
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'number_integer' => array(
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'label' => t('Integer'),
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'description' => t('This field stores a number in the database as an integer.'),
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'instance_settings' => array('min' => '', 'max' => '', 'prefix' => '', 'suffix' => ''),
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'default_widget' => 'number',
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'default_formatter' => 'number_integer',
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),
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'number_decimal' => array(
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'label' => t('Decimal'),
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'description' => t('This field stores a number in the database in a fixed decimal format.'),
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'settings' => array('precision' => 10, 'scale' => 2, 'decimal_separator' => '.'),
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'instance_settings' => array('min' => '', 'max' => '', 'prefix' => '', 'suffix' => ''),
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'default_widget' => 'number',
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'default_formatter' => 'number_decimal',
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),
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'number_float' => array(
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'label' => t('Float'),
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'description' => t('This field stores a number in the database in a floating point format.'),
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'settings' => array('decimal_separator' => '.'),
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'instance_settings' => array('min' => '', 'max' => '', 'prefix' => '', 'suffix' => ''),
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'default_widget' => 'number',
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'default_formatter' => 'number_decimal',
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),
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);
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}
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/**
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* Implements hook_field_settings_form().
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*/
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function number_field_settings_form($field, $instance, $has_data) {
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$settings = $field['settings'];
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$form = array();
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if ($field['type'] == 'number_decimal') {
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$form['precision'] = array(
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'#type' => 'select',
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'#title' => t('Precision'),
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'#options' => drupal_map_assoc(range(10, 32)),
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'#default_value' => $settings['precision'],
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'#description' => t('The total number of digits to store in the database, including those to the right of the decimal.'),
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'#disabled' => $has_data,
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);
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$form['scale'] = array(
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'#type' => 'select',
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'#title' => t('Scale'),
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'#options' => drupal_map_assoc(range(0, 10)),
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'#default_value' => $settings['scale'],
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'#description' => t('The number of digits to the right of the decimal.'),
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'#disabled' => $has_data,
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);
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}
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if ($field['type'] == 'number_decimal' || $field['type'] == 'number_float') {
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$form['decimal_separator'] = array(
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'#type' => 'select',
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'#title' => t('Decimal marker'),
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'#options' => array('.' => t('Decimal point'), ',' => t('Comma')),
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'#default_value' => $settings['decimal_separator'],
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'#description' => t('The character users will input to mark the decimal point in forms.'),
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);
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}
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return $form;
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}
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/**
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* Implements hook_field_instance_settings_form().
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*/
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function number_field_instance_settings_form($field, $instance) {
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$settings = $instance['settings'];
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$form['min'] = array(
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'#type' => 'textfield',
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'#title' => t('Minimum'),
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'#default_value' => $settings['min'],
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'#description' => t('The minimum value that should be allowed in this field. Leave blank for no minimum.'),
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'#element_validate' => array('element_validate_number'),
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);
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$form['max'] = array(
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'#type' => 'textfield',
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'#title' => t('Maximum'),
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'#default_value' => $settings['max'],
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'#description' => t('The maximum value that should be allowed in this field. Leave blank for no maximum.'),
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'#element_validate' => array('element_validate_number'),
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);
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$form['prefix'] = array(
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'#type' => 'textfield',
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'#title' => t('Prefix'),
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'#default_value' => $settings['prefix'],
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'#size' => 60,
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'#description' => t("Define a string that should be prefixed to the value, like '$ ' or '€ '. Leave blank for none. Separate singular and plural values with a pipe ('pound|pounds')."),
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);
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$form['suffix'] = array(
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'#type' => 'textfield',
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'#title' => t('Suffix'),
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'#default_value' => $settings['suffix'],
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'#size' => 60,
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'#description' => t("Define a string that should be suffixed to the value, like ' m', ' kb/s'. Leave blank for none. Separate singular and plural values with a pipe ('pound|pounds')."),
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);
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return $form;
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}
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/**
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* Implements hook_field_validate().
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*
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* Possible error codes:
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* - 'number_min': The value is less than the allowed minimum value.
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* - 'number_max': The value is greater than the allowed maximum value.
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*/
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function number_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
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foreach ($items as $delta => $item) {
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if ($item['value'] != '') {
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if (is_numeric($instance['settings']['min']) && $item['value'] < $instance['settings']['min']) {
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$errors[$field['field_name']][$langcode][$delta][] = array(
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'error' => 'number_min',
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'message' => t('%name: the value may be no less than %min.', array('%name' => $instance['label'], '%min' => $instance['settings']['min'])),
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);
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}
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if (is_numeric($instance['settings']['max']) && $item['value'] > $instance['settings']['max']) {
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$errors[$field['field_name']][$langcode][$delta][] = array(
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'error' => 'number_max',
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'message' => t('%name: the value may be no greater than %max.', array('%name' => $instance['label'], '%max' => $instance['settings']['max'])),
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);
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}
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}
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}
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}
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/**
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* Implements hook_field_presave().
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*/
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function number_field_presave($entity_type, $entity, $field, $instance, $langcode, &$items) {
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if ($field['type'] == 'number_decimal') {
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// Let PHP round the value to ensure consistent behavior across storage
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// backends.
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foreach ($items as $delta => $item) {
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if (isset($item['value'])) {
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$items[$delta]['value'] = round($item['value'], $field['settings']['scale']);
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}
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}
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}
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if ($field['type'] == 'number_float') {
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// Remove the decimal point from float values with decimal
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// point but no decimal numbers.
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foreach ($items as $delta => $item) {
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if (isset($item['value'])) {
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$items[$delta]['value'] = floatval($item['value']);
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}
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}
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}
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}
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/**
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* Implements hook_field_is_empty().
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*/
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function number_field_is_empty($item, $field) {
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if (empty($item['value']) && (string) $item['value'] !== '0') {
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return TRUE;
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}
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return FALSE;
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}
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/**
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* Implements hook_field_formatter_info().
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*/
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function number_field_formatter_info() {
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return array(
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// The 'Default' formatter is different for integer fields on the one hand,
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// and for decimal and float fields on the other hand, in order to be able
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// to use different default values for the settings.
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'number_integer' => array(
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'label' => t('Default'),
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'field types' => array('number_integer'),
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'settings' => array(
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200
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'thousand_separator' => '',
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201
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// The 'decimal_separator' and 'scale' settings are not configurable
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202
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// through the UI, and will therefore keep their default values. They
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203
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// are only present so that the 'number_integer' and 'number_decimal'
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204
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// formatters can use the same code.
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'decimal_separator' => '.',
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206
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'scale' => 0,
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207
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'prefix_suffix' => TRUE,
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),
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),
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210
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'number_decimal' => array(
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'label' => t('Default'),
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212
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'field types' => array('number_decimal', 'number_float'),
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213
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'settings' => array(
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214
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'thousand_separator' => '',
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215
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'decimal_separator' => '.',
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216
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'scale' => 2,
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217
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'prefix_suffix' => TRUE,
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),
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219
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),
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220
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'number_unformatted' => array(
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221
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'label' => t('Unformatted'),
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222
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'field types' => array('number_integer', 'number_decimal', 'number_float'),
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223
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),
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224
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);
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225
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}
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226
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227
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/**
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228
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* Implements hook_field_formatter_settings_form().
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229
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*/
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230
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function number_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
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231
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$display = $instance['display'][$view_mode];
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232
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$settings = $display['settings'];
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233
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234
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$element = array();
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235
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236
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if ($display['type'] == 'number_decimal' || $display['type'] == 'number_integer') {
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237
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$options = array(
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238
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'' => t('<none>'),
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239
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'.' => t('Decimal point'),
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240
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',' => t('Comma'),
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241
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' ' => t('Space'),
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242
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);
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243
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$element['thousand_separator'] = array(
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244
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'#type' => 'select',
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245
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'#title' => t('Thousand marker'),
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246
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'#options' => $options,
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247
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'#default_value' => $settings['thousand_separator'],
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248
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);
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249
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250
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if ($display['type'] == 'number_decimal') {
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251
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$element['decimal_separator'] = array(
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252
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'#type' => 'select',
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253
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'#title' => t('Decimal marker'),
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254
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'#options' => array('.' => t('Decimal point'), ',' => t('Comma')),
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255
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'#default_value' => $settings['decimal_separator'],
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256
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);
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257
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$element['scale'] = array(
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258
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'#type' => 'select',
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259
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'#title' => t('Scale'),
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260
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'#options' => drupal_map_assoc(range(0, 10)),
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261
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'#default_value' => $settings['scale'],
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262
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'#description' => t('The number of digits to the right of the decimal.'),
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263
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);
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264
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}
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265
|
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266
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$element['prefix_suffix'] = array(
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267
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'#type' => 'checkbox',
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268
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'#title' => t('Display prefix and suffix.'),
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269
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'#default_value' => $settings['prefix_suffix'],
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270
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);
|
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271
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}
|
|
272
|
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|
273
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return $element;
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274
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}
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|
275
|
|
|
276
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/**
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|
277
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* Implements hook_field_formatter_settings_summary().
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278
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*/
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279
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function number_field_formatter_settings_summary($field, $instance, $view_mode) {
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280
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$display = $instance['display'][$view_mode];
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|
281
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$settings = $display['settings'];
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282
|
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|
283
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$summary = array();
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284
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if ($display['type'] == 'number_decimal' || $display['type'] == 'number_integer') {
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285
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$summary[] = number_format(1234.1234567890, $settings['scale'], $settings['decimal_separator'], $settings['thousand_separator']);
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|
286
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if ($settings['prefix_suffix']) {
|
|
287
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$summary[] = t('Display with prefix and suffix.');
|
|
288
|
}
|
|
289
|
}
|
|
290
|
|
|
291
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return implode('<br />', $summary);
|
|
292
|
}
|
|
293
|
|
|
294
|
/**
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|
295
|
* Implements hook_field_formatter_view().
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|
296
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*/
|
|
297
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function number_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
|
|
298
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$element = array();
|
|
299
|
$settings = $display['settings'];
|
|
300
|
|
|
301
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switch ($display['type']) {
|
|
302
|
case 'number_integer':
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|
303
|
case 'number_decimal':
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304
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foreach ($items as $delta => $item) {
|
|
305
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$output = number_format($item['value'], $settings['scale'], $settings['decimal_separator'], $settings['thousand_separator']);
|
|
306
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if ($settings['prefix_suffix']) {
|
|
307
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$prefixes = isset($instance['settings']['prefix']) ? array_map('field_filter_xss', explode('|', $instance['settings']['prefix'])) : array('');
|
|
308
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$suffixes = isset($instance['settings']['suffix']) ? array_map('field_filter_xss', explode('|', $instance['settings']['suffix'])) : array('');
|
|
309
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$prefix = (count($prefixes) > 1) ? format_plural($item['value'], $prefixes[0], $prefixes[1]) : $prefixes[0];
|
|
310
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$suffix = (count($suffixes) > 1) ? format_plural($item['value'], $suffixes[0], $suffixes[1]) : $suffixes[0];
|
|
311
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$output = $prefix . $output . $suffix;
|
|
312
|
}
|
|
313
|
$element[$delta] = array('#markup' => $output);
|
|
314
|
}
|
|
315
|
break;
|
|
316
|
|
|
317
|
case 'number_unformatted':
|
|
318
|
foreach ($items as $delta => $item) {
|
|
319
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$element[$delta] = array('#markup' => $item['value']);
|
|
320
|
}
|
|
321
|
break;
|
|
322
|
}
|
|
323
|
|
|
324
|
return $element;
|
|
325
|
}
|
|
326
|
|
|
327
|
/**
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|
328
|
* Implements hook_field_widget_info().
|
|
329
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*/
|
|
330
|
function number_field_widget_info() {
|
|
331
|
return array(
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|
332
|
'number' => array(
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|
333
|
'label' => t('Text field'),
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|
334
|
'field types' => array('number_integer', 'number_decimal', 'number_float'),
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|
335
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),
|
|
336
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);
|
|
337
|
}
|
|
338
|
|
|
339
|
/**
|
|
340
|
* Implements hook_field_widget_form().
|
|
341
|
*/
|
|
342
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function number_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
|
|
343
|
$value = isset($items[$delta]['value']) ? $items[$delta]['value'] : '';
|
|
344
|
// Substitute the decimal separator.
|
|
345
|
if ($field['type'] == 'number_decimal' || $field['type'] == 'number_float') {
|
|
346
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$value = strtr($value, '.', $field['settings']['decimal_separator']);
|
|
347
|
}
|
|
348
|
|
|
349
|
$element += array(
|
|
350
|
'#type' => 'textfield',
|
|
351
|
'#default_value' => $value,
|
|
352
|
// Allow a slightly larger size that the field length to allow for some
|
|
353
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// configurations where all characters won't fit in input field.
|
|
354
|
'#size' => $field['type'] == 'number_decimal' ? $field['settings']['precision'] + 4 : 12,
|
|
355
|
// Allow two extra characters for signed values and decimal separator.
|
|
356
|
'#maxlength' => $field['type'] == 'number_decimal' ? $field['settings']['precision'] + 2 : 10,
|
|
357
|
// Extract the number type from the field type name for easier validation.
|
|
358
|
'#number_type' => str_replace('number_', '', $field['type']),
|
|
359
|
);
|
|
360
|
|
|
361
|
// Add prefix and suffix.
|
|
362
|
if (!empty($instance['settings']['prefix'])) {
|
|
363
|
$prefixes = explode('|', $instance['settings']['prefix']);
|
|
364
|
$element['#field_prefix'] = field_filter_xss(array_pop($prefixes));
|
|
365
|
}
|
|
366
|
if (!empty($instance['settings']['suffix'])) {
|
|
367
|
$suffixes = explode('|', $instance['settings']['suffix']);
|
|
368
|
$element['#field_suffix'] = field_filter_xss(array_pop($suffixes));
|
|
369
|
}
|
|
370
|
|
|
371
|
$element['#element_validate'][] = 'number_field_widget_validate';
|
|
372
|
|
|
373
|
return array('value' => $element);
|
|
374
|
}
|
|
375
|
|
|
376
|
/**
|
|
377
|
* FAPI validation of an individual number element.
|
|
378
|
*/
|
|
379
|
function number_field_widget_validate($element, &$form_state) {
|
|
380
|
$field = field_widget_field($element, $form_state);
|
|
381
|
$instance = field_widget_instance($element, $form_state);
|
|
382
|
|
|
383
|
$type = $element['#number_type'];
|
|
384
|
$value = $element['#value'];
|
|
385
|
|
|
386
|
// Reject invalid characters.
|
|
387
|
if (!empty($value)) {
|
|
388
|
switch ($type) {
|
|
389
|
case 'float':
|
|
390
|
case 'decimal':
|
|
391
|
$regexp = '@([^-0-9\\' . $field['settings']['decimal_separator'] . '])|(.-)@';
|
|
392
|
$message = t('Only numbers and the decimal separator (@separator) allowed in %field.', array('%field' => $instance['label'], '@separator' => $field['settings']['decimal_separator']));
|
|
393
|
break;
|
|
394
|
|
|
395
|
case 'integer':
|
|
396
|
$regexp = '@([^-0-9])|(.-)@';
|
|
397
|
$message = t('Only numbers are allowed in %field.', array('%field' => $instance['label']));
|
|
398
|
break;
|
|
399
|
}
|
|
400
|
if ($value != preg_replace($regexp, '', $value)) {
|
|
401
|
form_error($element, $message);
|
|
402
|
}
|
|
403
|
else {
|
|
404
|
if ($type == 'decimal' || $type == 'float') {
|
|
405
|
// Verify that only one decimal separator exists in the field.
|
|
406
|
if (substr_count($value, $field['settings']['decimal_separator']) > 1) {
|
|
407
|
$message = t('%field: There should only be one decimal separator (@separator).',
|
|
408
|
array(
|
|
409
|
'%field' => t($instance['label']),
|
|
410
|
'@separator' => $field['settings']['decimal_separator'],
|
|
411
|
)
|
|
412
|
);
|
|
413
|
form_error($element, $message);
|
|
414
|
}
|
|
415
|
else {
|
|
416
|
// Substitute the decimal separator; things should be fine.
|
|
417
|
$value = strtr($value, $field['settings']['decimal_separator'], '.');
|
|
418
|
}
|
|
419
|
}
|
|
420
|
form_set_value($element, $value, $form_state);
|
|
421
|
}
|
|
422
|
}
|
|
423
|
}
|
|
424
|
|
|
425
|
/**
|
|
426
|
* Implements hook_field_widget_error().
|
|
427
|
*/
|
|
428
|
function number_field_widget_error($element, $error, $form, &$form_state) {
|
|
429
|
form_error($element['value'], $error['message']);
|
|
430
|
}
|
