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<?php
// $Id: number.module,v 1.91.2.23 2008/10/06 15:11:39 karens Exp $
/**
* @file
* Defines numeric field types.
*/
/**
* Implementation of hook_theme().
*/
function number_theme() {
return array(
'number' => array('arguments' => array('element' => NULL)),
'number_formatter_default' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_us_0' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_us_1' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_us_2' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_be_0' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_be_1' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_be_2' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_fr_0' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_fr_1' => array('arguments' => array('element' => NULL), 'function' => 'theme_number_formatter_generic'),
'number_formatter_unformatted' => array('arguments' => array('element' => NULL)),
);
}
/**
* Implementation of hook_field_info().
*
* Here we indicate that the content module will use its default
* handling for the view of these fields.
*
* Callbacks can be omitted if default handing is used.
* They're included here just so this module can be used
* as an example for custom modules that might do things
* differently.
*/
function number_field_info() {
return array(
'number_integer' => array(
'label' => t('Integer'),
'description' => t('Store a number in the database as an integer.'),
'callbacks' => array(
'tables' => CONTENT_CALLBACK_DEFAULT,
'arguments' => CONTENT_CALLBACK_DEFAULT,
),
),
'number_decimal' => array(
'label' => t('Decimal'),
'description' => t('Store a number in the database in a fixed decimal format.'),
'callbacks' => array(
'tables' => CONTENT_CALLBACK_DEFAULT,
'arguments' => CONTENT_CALLBACK_DEFAULT,
),
),
'number_float' => array(
'label' => t('Float'),
'description' => t('Store a number in the database in a floating point format.'),
'callbacks' => array(
'tables' => CONTENT_CALLBACK_DEFAULT,
'arguments' => CONTENT_CALLBACK_DEFAULT,
),
),
);
}
/**
* Implementation of hook_field_settings().
*/
function number_field_settings($op, $field) {
switch ($op) {
case 'form':
$form = array();
$form['min'] = array(
'#type' => 'textfield',
'#title' => t('Minimum'),
'#element_validate' => array('_number_widget_settings_min_validate'),
'#default_value' => is_numeric($field['min']) ? $field['min'] : '',
);
$form['max'] = array(
'#type' => 'textfield',
'#title' => t('Maximum'),
'#element_validate' => array('_number_widget_settings_max_validate'),
'#default_value' => is_numeric($field['max']) ? $field['max'] : '',
);
if ($field['type'] == 'number_decimal') {
$form['precision'] = array(
'#type' => 'select',
'#options' => drupal_map_assoc(range(10, 32)),
'#title' => t('Precision'),
'#description' => t('The total number of digits to store in the database, including those to the right of the decimal.'),
'#default_value' => is_numeric($field['precision']) ? $field['precision'] : 10,
);
$form['scale'] = array(
'#type' => 'select',
'#options' => drupal_map_assoc(range(0, 2)),
'#title' => t('Scale'),
'#description' => t('The number of digits to the right of the decimal.'),
'#default_value' => is_numeric($field['scale']) ? $field['scale'] : 2,
);
$form['decimal'] = array(
'#type' => 'select',
'#options' => array('.' => 'decimal point', ',' => 'comma', ' ' => 'space'),
'#title' => t('Decimal marker'),
'#description' => t('The character users will input to mark the decimal point in forms.'),
'#default_value' => !empty($field['decimal']) ? $field['decimal'] : '.',
);
}
$form['append']['prefix'] = array(
'#type' => 'textfield',
'#title' => t('Prefix'),
'#size' => 60,
'#default_value' => !empty($field['prefix']) ? $field['prefix'] : '',
'#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).'),
);
$form['append']['suffix'] = array(
'#type' => 'textfield',
'#title' => t('Suffix'),
'#size' => 60,
'#default_value' => !empty($field['suffix']) ? $field['suffix'] : '',
'#description' => t('Define a string that should suffixed to the value, like m², m/s², kb/s. Leave blank for none. Separate singular and plural values with a pipe (pound|pounds).'),
);
$form['allowed_values_fieldset'] = array(
'#type' => 'fieldset',
'#title' => t('Allowed values'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['allowed_values_fieldset']['allowed_values'] = array(
'#type' => 'textarea',
'#title' => t('Allowed values list'),
'#default_value' => !empty($field['allowed_values']) ? $field['allowed_values'] : '',
'#required' => FALSE,
'#rows' => 10,
'#description' => t('The possible values this field can contain. Enter one value per line, in the format key|label. The key is the value that will be stored in the database, and it must match the field storage type (%type). The label is optional, and the key will be used as the label if no label is specified.<br />Allowed HTML tags: @tags', array('%type' => $field['type'], '@tags' => _content_filter_xss_display_allowed_tags())),
);
$form['allowed_values_fieldset']['advanced_options'] = array(
'#type' => 'fieldset',
'#title' => t('PHP code'),
'#collapsible' => TRUE,
'#collapsed' => empty($field['allowed_values_php']),
);
if (user_access('Use PHP input for field settings (dangerous - grant with care)')) {
$form['allowed_values_fieldset']['advanced_options']['allowed_values_php'] = array(
'#type' => 'textarea',
'#title' => t('Code'),
'#default_value' => !empty($field['allowed_values_php']) ? $field['allowed_values_php'] : '',
'#rows' => 6,
'#description' => t('Advanced usage only: PHP code that returns a keyed array of allowed values. Should not include <?php ?> delimiters. If this field is filled out, the array returned by this code will override the allowed values list above.'),
);
}
else {
$form['allowed_values_fieldset']['advanced_options']['markup_allowed_values_php'] = array(
'#type' => 'item',
'#title' => t('Code'),
'#value' => !empty($field['allowed_values_php']) ? '<code>'. check_plain($field['allowed_values_php']) .'</code>' : t('<none>'),
'#description' => empty($field['allowed_values_php']) ? t("You're not allowed to input PHP code.") : t('This PHP code was set by an administrator and will override the allowed values list above.'),
);
}
return $form;
case 'save':
$values = array('prefix', 'suffix', 'min', 'max', 'allowed_values', 'allowed_values_php');
if ($field['type'] == 'number_decimal') {
$values = array_merge($values, array('precision', 'scale', 'decimal'));
}
return $values;
case 'database columns':
if ($field['type'] == 'number_integer') {
return array(
'value' => array('type' => 'int', 'not null' => FALSE, 'sortable' => TRUE),
);
}
if ($field['type'] == 'number_float') {
return array(
'value' => array('type' => 'float', 'not null' => FALSE, 'sortable' => TRUE),
);
}
if ($field['type'] == 'number_decimal') {
$precision = isset($field['precision']) ? $field['precision'] : 10;
$scale = isset($field['scale']) ? $field['scale'] : 2;
return array(
'value' => array('type' => 'numeric', 'precision' => $precision, 'scale' => $scale, 'not null' => FALSE, 'sortable' => TRUE),
);
}
case 'views data':
$allowed_values = content_allowed_values($field);
if (count($allowed_values)) {
$data = content_views_field_views_data($field);
$db_info = content_database_info($field);
$table_alias = content_views_tablename($field);
// Swap the filter handler to the 'in' operator.
$data[$table_alias][$field['field_name'] .'_value']['filter']['handler'] = 'content_handler_filter_many_to_one';
$data[$table_alias][$field['field_name'] .'_value']['filter']['numeric'] = TRUE;
$data[$table_alias][$field['field_name'] .'_value']['argument']['handler'] = 'content_handler_argument_many_to_one';
$data[$table_alias][$field['field_name'] .'_value']['argument']['numeric'] = TRUE;
return $data;
}
break;
}
}
function _number_widget_settings_min_validate($element, &$form_state) {
$value = $form_state['values']['min'];
if ($value && !is_numeric($value)) {
form_set_error('min', t('"Minimum" must be a number.'));
}
}
function _number_widget_settings_max_validate($element, &$form_state) {
$value = $form_state['values']['max'];
if ($value && !is_numeric($value)) {
form_set_error('max', t('"Maximum" must be a number.'));
}
}
/**
* Implementation of hook_field().
*/
function number_field($op, &$node, $field, &$items, $teaser, $page) {
switch ($op) {
case 'validate':
$allowed_values = content_allowed_values($field);
if (is_array($items)) {
foreach ($items as $delta => $item) {
$error_element = isset($item['_error_element']) ? $item['_error_element'] : '';
if (is_array($item) && isset($item['_error_element'])) unset($item['_error_element']);
if ($item['value'] != '') {
if (is_numeric($field['min']) && $item['value'] < $field['min']) {
form_set_error($error_element, t('%name: the value may be no smaller than %min.', array('%name' => t($field['widget']['label']), '%min' => $field['min'])));
}
if (is_numeric($field['max']) && $item['value'] > $field['max']) {
form_set_error($error_element, t('%name: the value may be no larger than %max.', array('%name' => t($field['widget']['label']), '%max' => $field['max'])));
}
if (count($allowed_values)) {
// We cannot use array_key_exists() because allowed values are
// stored as strings, and we need to compare numeric equality.
$valid = FALSE;
foreach ($allowed_values as $kay => $value) {
if ((float) $item['value'] == (float) $kay) {
$valid = TRUE;
break;
}
}
if (!$valid) {
form_set_error($error_element, t('%name: illegal value.', array('%name' => t($field['widget']['label']))));
}
}
}
}
}
break;
}
}
/**
* Implementation of hook_content_is_empty().
*/
function number_content_is_empty($item, $field) {
if (empty($item['value']) && (string)$item['value'] !== '0') {
return TRUE;
}
return FALSE;
}
/**
* Implementation of hook_field_formatter_info().
*/
function number_field_formatter_info() {
return array(
'default' => array('label' => '9999', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_integer', 'number_decimal', 'number_float')),
'us_0' => array('label' => '9,999', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_integer', 'number_decimal', 'number_float')),
'us_1' => array('label' => '9,999.9', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_decimal', 'number_float')),
'us_2' => array('label' => '9,999.99', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_decimal', 'number_float')),
'be_0' => array('label' => '9.999', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_integer', 'number_decimal', 'number_float')),
'be_1' => array('label' => '9.999,9', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_decimal', 'number_float')),
'be_2' => array('label' => '9.999,99', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_decimal', 'number_float')),
'fr_0' => array('label' => '9 999', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_integer', 'number_decimal', 'number_float')),
'fr_1' => array('label' => '9 999, 9', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_decimal', 'number_float')),
'fr_2' => array('label' => '9 999, 99', 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_decimal', 'number_float')),
'unformatted' => array('label' => t('unformatted'), 'multiple values' => CONTENT_HANDLE_CORE, 'field types' => array('number_integer', 'number_decimal', 'number_float')),
);
}
/**
* Proxy theme function for 'unformatted' number field formatter.
*/
function theme_number_formatter_unformatted($element) {
return $element['#item']['value'];
}
/**
* Proxy theme function for number field formatters.
*/
function theme_number_formatter_generic($element) {
$field = content_fields($element['#field_name'], $element['#type_name']);
$value = $element['#item']['value'];
if (($allowed_values = content_allowed_values($field))) {
if (isset($allowed_values[$value]) && $allowed_values[$value] != $value) {
return $allowed_values[$value];
}
}
if (empty($value) && $value !== '0') {
return '';
}
switch ($element['#formatter']) {
case 'us_0':
$output = number_format($value, 0, '.', ',');
break;
case 'us_1':
$output = number_format($value, 1, '.', ',');
break;
case 'us_2':
$output = number_format($value, 2, '.', ',');
break;
case 'be_0':
$output = number_format($value, 0, ',', '.');
break;
case 'be_1':
$output = number_format($value, 1, ',', '.');
break;
case 'be_2':
$output = number_format($value, 2, ',', '.');
break;
case 'fr_0':
$output = number_format($value, 0, ', ', ' ');
break;
case 'fr_1':
$output = number_format($value, 1, ', ', ' ');
break;
case 'fr_2':
$output = number_format($value, 2, ', ', ' ');
break;
default:
$output = $value;
break;
}
$prefixes = isset($field['prefix']) ? explode('|', check_plain($field['prefix'])) : array(0 => '');
$suffixes = isset($field['suffix']) ? explode('|', check_plain($field['suffix'])) : array(0 => '');
$prefix = (count($prefixes) > 1) ? format_plural($value, $prefixes[0], $prefixes[1]) : $prefixes[0];
$suffix = (count($suffixes) > 1) ? format_plural($value, $suffixes[0], $suffixes[1]) : $suffixes[0];
return $prefix . $output . $suffix;
}
/**
* Implementation of hook_widget_info().
*
* Here we indicate that the content module will handle
* the default value and multiple values for these widgets.
*
* Callbacks can be omitted if default handing is used.
* They're included here just so this module can be used
* as an example for custom modules that might do things
* differently.
*/
function number_widget_info() {
return array(
'number' => array(
'label' => t('Text field'),
'field types' => array('number_integer', 'number_decimal', 'number_float'),
'multiple values' => CONTENT_HANDLE_CORE,
'callbacks' => array(
'default value' => CONTENT_CALLBACK_DEFAULT,
),
),
);
}
/**
* Implementation of FAPI hook_elements().
*
* Any FAPI callbacks needed for individual widgets can be declared here,
* and the element will be passed to those callbacks for processing.
*
* Drupal will automatically theme the element using a theme with
* the same name as the hook_elements key.
*
* Includes a regex to check for valid values as an additional parameter
* the validator can use. The regex can be overridden if necessary.
*/
function number_elements() {
return array(
'number' => array(
'#input' => TRUE,
'#columns' => array('value'), '#delta' => 0,
'#process' => array('number_process'),
),
);
}
/**
* Implementation of hook_widget().
*
* Attach a single form element to the form. It will be built out and
* validated in the callback(s) listed in hook_elements. We build it
* out in the callbacks rather than here in hook_widget so it can be
* plugged into any module that can provide it with valid
* $field information.
*
* Content module will set the weight, field name and delta values
* for each form element. This is a change from earlier CCK versions
* where the widget managed its own multiple values.
*
* If there are multiple values for this field, the content module will
* call this function as many times as needed.
*
* @param $form
* the entire form array, $form['#node'] holds node information
* @param $form_state
* the form_state, $form_state['values'] holds the form values.
* @param $field
* the field array
* @param $delta
* the order of this item in the array of subelements (0, 1, 2, etc)
*
* @return
* the form item for a single element for this field
*/
function number_widget(&$form, &$form_state, $field, $items, $delta = 0) {
$element = array(
'#type' => $field['widget']['type'],
'#default_value' => isset($items[$delta]) ? $items[$delta] : NULL,
);
return $element;
}
/**
* Process an individual element.
*
* Build the form element. When creating a form using FAPI #process,
* note that $element['#value'] is already set.
*
* The $fields array is in $form['#field_info'][$element['#field_name']].
*/
function number_process($element, $edit, $form_state, $form) {
$field_name = $element['#field_name'];
$field = $form['#field_info'][$field_name];
$field_key = $element['#columns'][0];
$value = isset($element['#value'][$field_key]) ? $element['#value'][$field_key] : '';
$value = isset($field['decimal']) ? str_replace('.', $field['decimal'], $value) : $value;
$element[$field_key] = array(
'#type' => 'textfield',
'#default_value' => $value,
// Need to allow a slightly larger size that the field length to allow
// for some configurations where all characters won't fit in input field.
'#size' => isset($field['precision']) ? $field['precision'] + 2 : 12,
'#maxlength' => isset($field['precision']) ? $field['precision'] : 10,
'#attributes' => array('class' => 'number'),
// The following values were set by the content module and need
// to be passed down to the nested element.
'#title' => $element['#title'],
'#description' => $element['#description'],
'#required' => $element['#required'],
'#field_name' => $element['#field_name'],
'#type_name' => $element['#type_name'],
'#delta' => $element['#delta'],
'#columns' => $element['#columns'],
);
$prefixes = array();
$suffixes = array();
// Make sure we don't wipe out element validation added elsewhere.
if (empty($element['#element_validate'])) {
$element['#element_validate'] = array();
}
if (!empty($field['prefix'])) {
$prefixes = explode('|', $field['prefix']);
$element[$field_key]['#field_prefix'] = array_pop($prefixes);
}
if (!empty($field['suffix'])) {
$suffixes = explode('|', $field['suffix']);
$element[$field_key]['#field_suffix'] = array_pop($suffixes);
}
switch ($field['type']) {
case 'number_float':
$element['#element_validate'][] = 'number_float_validate';
break;
case 'number_integer':
$element['#element_validate'][] = 'number_integer_validate';
break;
case 'number_decimal':
$element['#element_validate'][] = 'number_decimal_validate';
$element['#decimal'] = isset($field['decimal']) ? $field['decimal'] : '.';
$element['#precision'] = isset($field['precision']) ? $field['precision'] : 10;
$element['#scale'] = isset($field['scale']) ? $field['scale'] : 2;
break;
}
// Used so that hook_field('validate') knows where to flag an error.
$element['_error_element'] = array(
'#type' => 'value',
'#value' => implode('][', array_merge($element['#parents'], array($field_key))),
);
return $element;
}
/**
* FAPI validation of an individual float element.
*/
function number_float_validate($element, &$form_state) {
$field_name = $element['#field_name'];
$type_name = $element['#type_name'];
$field = content_fields($field_name, $type_name);
$field_key = $element['#columns'][0];
$value = $element['#value'][$field_key];
if (($element[$field_key]['#required'] || !empty($value))) {
$start = $value;
$value = preg_replace('@[^-0-9\.]@', '', $value);
if ($start != $value) {
// No reason to make this an error, just need to inform user what has changed.
drupal_set_message(t('Only numbers and decimals are allowed in %field. %start was changed to %value.', array(
'%field' => t($field['widget']['label']), '%start' => $start, '%value' => $value)));
}
form_set_value($element[$field_key], $value, $form_state);
}
}
/**
* FAPI validation of an individual integer element.
*/
function number_integer_validate($element, &$form_state) {
$field_name = $element['#field_name'];
$type_name = $element['#type_name'];
$field = content_fields($field_name, $type_name);
$field_key = $element['#columns'][0];
$value = $element['#value'][$field_key];
if (($element[$field_key]['#required'] || !empty($value))) {
$start = $value;
$value = preg_replace('@[^-0-9]@', '', $value);
if ($start != $value) {
// No reason to make this an error, just need to inform user what has changed.
drupal_set_message(t('Only numbers are allowed in %field. %start was changed to %value.', array(
'%field' => t($field['widget']['label']), '%start' => $start, '%value' => $value)));
}
form_set_value($element[$field_key], $value, $form_state);
}
}
/**
* FAPI validation of an individual decimal element.
*/
function number_decimal_validate($element, &$form_state) {
$field_name = $element['#field_name'];
$type_name = $element['#type_name'];
$field = content_fields($field_name, $type_name);
$field_key = $element['#columns'][0];
$value = $element['#value'][$field_key];
if (($element[$field_key]['#required'] || !empty($value))) {
$decimal = $element['#decimal'] ? $element['#decimal'] : '.';
$start = $value;
$value = preg_replace('@[^-0-9\\'. $decimal .']@', '', $value);
if ($start != $value) {
// No reason to make this an error, just need to inform user what has changed.
drupal_set_message( t('Only numbers and the decimal character (%decimal) are allowed in %field. %start was changed to %value.', array(
'%decimal' => $element['#decimal'], '%field' => t($field['widget']['label']), '%start' => $start, '%value' => $value)));
}
$value = str_replace($element['#decimal'], '.', $value);
$value = round($value, $element['#scale']);
form_set_value($element[$field_key], $value, $form_state);
}
}
/**
* FAPI theme for an individual number element.
*
* The textfield is already rendered by the textfield
* theme and the HTML output lives in $element['#children'].
* Override this theme to make custom changes to the output.
*
* $element['#field_name'] contains the field name
* $element['#delta] is the position of this element in the group
*/
function theme_number($element) {
return $element['#children'];
}