',
- );
- }
-
- return $form;
-
- case 'validate':
- // Generate the regular expression to validate the entered amounts.
- $decimal_separator = preg_quote(_money_get_decimal_separator($field['widget']['decimal_separator']));
- $digit_group_separator = preg_quote(_money_get_digit_group_separator($field['widget']['digit_group_separator']));
- $regexp = "/^-?(((\d{1,3}". $digit_group_separator .")?(\d{3}". $digit_group_separator .")*(\d{3}){1})|\d+)(". $decimal_separator ."\d{1,2})?$/";
-
- // Make sure the amount is entered using the correct format.
- foreach ($items as $delta => $item) {
- if (!empty($item['amount']) && !preg_match($regexp, $item['amount'])) {
- form_set_error($field['field_name'] .']['. $delta .'][amount', t('The amount is formatted invalidly.'));
- }
- }
- break;
-
- case 'process form values':
- $decimal_separator = _money_get_decimal_separator($field['widget']['decimal_separator']);
- $digit_group_separator = _money_get_digit_group_separator($field['widget']['digit_group_separator']);
-
- foreach ($items as $delta => $item) {
- if (empty($item['amount'])) {
- unset($items[$delta]['amount']);
- }
- else {
- // Convert the entered amount to be compatible with PHP's number
- // notation: a dot as a decimal separator, nothing as a digit
- // group separator.
- $converted_amount = str_replace(array($decimal_separator, $digit_group_separator), array('.', ''), $item['amount']);
+function money_get_widget_currencies($instance, $element) {
+ $widget = $instance['widget'];
+ $settings = $widget['settings'];
+ // Currently implemented modes: code, name. See money_field_widget_settings_form().
+ $mode = $settings['currency_select_mode'];
+
+ // Prepare the array of allowed currencies.
+ if (isset($settings['currencies']['allowed_currencies']) && is_array($settings['currencies']['allowed_currencies'])) {
+ // Obtain the list of allowed currencies. Note that this array is in the form of 'code' => boolean.
+ $allowed_currencies = array_filter($settings['currencies']['allowed_currencies']);
+ }
+ else {
+ // Initialize array when the list has not been already set in field settings.
+ $allowed_currencies = array();
+ }
- // Now convert the amount to make it storable as an integer.
- // We are always working with a maximum of 2 decimals, this means
- // that one unit in the database corresponds to 1/100th of a unit
- // in reality (i.e. in forms and on display).
- $items[$delta]['amount'] = $converted_amount * 100;
- }
- }
- break;
+ // When no currency has been specified in widget settings we allow them all.
+ if (empty($allowed_currencies)) {
+ // Note that this array is built in the form of 'code' => 'name'.
+ $allowed_currencies = currency_api_get_list();
+ }
+ else {
+ // One or more currencies have been specified in widget settings.
+ if ($mode == 'name') {
+ // Build the array in the form of 'code' => 'name' extracting the
+ // allowed currencies from the array returned from currency_api.
+ $allowed_currencies = array_intersect_key(currency_api_get_list(), $allowed_currencies);
}
}
-}
+ // If the requested mode is 'code', then we need to transform the array
+ // so that item keys are also used for values.
+ if ($mode == 'code') {
+ $allowed_currencies = array_keys($allowed_currencies);
+ $allowed_currencies = array_combine($allowed_currencies, $allowed_currencies);
+ }
-//----------------------------------------------------------------------------
-// Private functions.
+ // When field is not required, an additional empty currency is pushed on top of the resulting list.
+ if (!$element['#required']) {
+ $allowed_currencies = array('' => ($mode == 'code' ? '---' : t('-- Select currency --'))) + $allowed_currencies;
+ }
-/**
- * Parse currency codes from a comma-separated list.
- *
- * @param $currencies_string
- * A string containing a list of currency codes, separated by commas.
- * @return
- * An array of currency code.
- */
-function _money_parse_currencies($currencies_string) {
- return explode(',', str_replace(' ', '', trim($currencies_string)));
+ return $allowed_currencies;
}
/**
- * Get the decimal separator from a variable, use the default if the variable
- * is empty.
- *
- * @param $decimal_separator
- * A variable that possibly contains a decimal separator.
- * @return
- * A decimal separator, either the variable or the default (a comma).
+ * Implements hook_field_widget_settings_form().
*/
-function _money_get_decimal_separator($decimal_separator = NULL) {
- return (!empty($decimal_separator)) ? $decimal_separator : ',';
+function money_field_widget_settings_form($field, $instance) {
+ $widget = $instance['widget'];
+ $settings = $widget['settings'];
+
+ $options = array('code' => t('Currency code'), 'name' => t('Currency name'));
+ $form['currency_select_mode'] = array(
+ '#type' => 'radios',
+ '#title' => t('Currency selection mode'),
+ '#options' => $options,
+ '#default_value' => $settings['currency_select_mode'],
+ '#required' => TRUE,
+ '#description' => t('Choose the format of the label that will be displayed for options of the currency select list.'),
+ );
+ $options = money_get_display_modes();
+ $form['currency_display_mode'] = array(
+ '#type' => 'select',
+ '#title' => t('Currency display mode'),
+ '#options' => $options,
+ '#default_value' => $settings['currency_display_mode'],
+ '#required' => TRUE,
+ '#description' => t('Choose the format that will be used to display this money field when a node is rendered.'),
+ );
+ if (function_exists('currency_api_get_currencies')) {
+ $options = array('field' => t('Field precision'), 'currency' => t('Currency precision'));
+ $form['decimals_display_mode'] = array(
+ '#type' => 'radios',
+ '#title' => t('Decimals display mode'),
+ '#options' => $options,
+ '#default_value' => $settings['decimals_display_mode'],
+ '#required' => TRUE,
+ '#description' => t('Choose the method to select the number of decimals used to display the field. The standard precision for each currency is displayed in the Available currencies list.'),
+ );
+ $currency_options = array();
+ foreach (currency_api_get_currencies() as $code => $currency) {
+ $currency_options[$code] = $currency['name'] . ' [' . $currency['decimals'] . ']';
+ }
+ }
+ else {
+ $currency_options = currency_api_get_list();
+ }
+ $form['currencies'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Available currencies'),
+ '#collapsible' => TRUE,
+ '#collapsed' => TRUE,
+ '#description' => t('Choose the currencies that you want to enable for this field. Do not select any currency to enable them all.'),
+ );
+ if (function_exists('currency_api_get_currencies')) {
+ $form['currencies']['#description'] .= ' ' . t('The number between square brakets indicates the standard precision for each currency.');
+ }
+ if (isset($settings['currencies']['allowed_currencies']) && is_array($settings['currencies']['allowed_currencies'])) {
+ // Get filtered array.
+ $allowed_currencies = array_filter($settings['currencies']['allowed_currencies']);
+ // If not empty, create array for the form element values.
+ if (!empty($allowed_currencies)) {
+ $allowed_currencies = array_keys($allowed_currencies);
+ $allowed_currencies = array_combine($allowed_currencies, $allowed_currencies);
+ }
+ }
+ else {
+ $allowed_currencies = array();
+ }
+ $form['currencies']['allowed_currencies'] = array(
+ '#type' => 'checkboxes',
+ '#options' => $currency_options,
+ '#default_value' => $allowed_currencies,
+ '#checkall' => TRUE,
+ '#prefix' => '
',
+ '#suffix' => '
',
+ '#attached' => array(
+ 'css' => array(drupal_get_path('module', 'money') . '/money.css')
+ ),
+ );
+ return $form;
}
/**
- * Get the digit group separator from a variable, use the default if the
- * variable is empty.
- *
- * @param $digit_group_separator
- * A variable that possibly contains a digit group separator.
- * @return
- * A digit group separator, either the variable or the default (a space).
+ * Obtain display modes for money fields.
*/
-function _money_get_digit_group_separator($digit_group_separator = NULL) {
- return (!empty($digit_group_separator)) ? $digit_group_separator : ' ';
+function money_get_display_modes() {
+ return array(
+ 's|a' => t('Symbol + Amount'),
+ 's|+|a' => t('Symbol + Space + Amount'),
+ 'a|s' => t('Amount + Symbol'),
+ 'a|+|s' => t('Amount + Space + Symbol'),
+ 's|a|+|c' => t('Symbol + Amount + Space + Currency Code'),
+ 's|+|a|+|c' => t('Symbol + Space + Amount + Space + Currency Code'),
+ 'a|+|c' => t('Amount + Space + Currency Code'),
+ 'c|+|a' => t('Currency Code + Space + Amount'),
+ 'c|+|a|s' => t('Currency Code + Space + Amount + Symbol'),
+ 'c|+|a|+|s' => t('Currency Code + Space + Amount + Space + Symbol'),
+ );
}
-
-//----------------------------------------------------------------------------
-// Theming functions.
-
-/**
- * @ingroup themeable
- * @{
- */
-
/**
- * Format the list of currencies that is displayed in the money field settings
- * form.
- *
- * @param $currencies
- * An array of currencies, where the keys are the currency codes and the
- * values are the full names, with bracketed currency codes appended. (An
- * array returned by currency_api_get_list()).
- * @return
- * A rendered list of currencies.
+ * FAPI validation of an individual number element.
*/
-function theme_money_field_settings_currency_list($currencies) {
- $output = '';
-
- $output .= '