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<?php
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// $Id: currency_cck.module,v 1.1.2.1 2008/01/02 11:01:31 melsawy Exp $
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/**
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* @file
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* Defines a field type for currency.
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*/
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/**
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* Implementation of hook_help().
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*/
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function currency_cck_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('<strong>CCK:</strong> Defines a field type for currency. <em>Note: Requires content.module and currency_api.</em>');
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}
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}
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/**
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* Implementation of hook_field_info().
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*/
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function currency_cck_field_info() {
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return array(
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'currency_cck' => array('label' => 'Currency'),
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);
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}
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/**
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* Implementation of hook_field_settings().
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*/
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function currency_cck_field_settings($op, $field) {
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switch ($op) {
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case 'database columns':
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$columns = array(
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'currency' => array('type' => 'varchar', 'length' => 5, 'not null' => TRUE, 'default' => "''"),
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);
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return $columns;
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case 'filters':
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return array(
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'default' => array(
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'name' => t('Default'),
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'operator' => 'views_handler_operator_or',
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),
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);
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}
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}
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/**
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* Implementation of hook_field().
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*/
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function currency_cck_field($op, &$node, $field, &$items, $teaser, $page) {
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switch ($op) {
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case 'view':
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foreach ($items as $delta => $item) {
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$items[$delta]['view'] = content_format($field, $item, 'default', $node);
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}
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return theme('field', $node, $field, $items, $teaser, $page);
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}
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}
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/**
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* Implementation of hook_field_formatter_info().
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*/
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function currency_cck_field_formatter_info() {
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return array(
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'default' => array(
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'label' => 'Default',
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'field types' => array('currency_cck'),
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),
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'plain' => array(
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'label' => 'Plain text',
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'field types' => array('currency_cck'),
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),
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);
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}
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/**
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* Implementation of hook_field_formatter().
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*/
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function currency_cck_field_formatter($field, $item, $formatter, $node) {
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$text = '';
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if (isset($item['currency'])) {
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$currency_desc = currency_api_get_desc($item['currency']);
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if ($currency_desc !== FALSE) {
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$text = $currency_desc;
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}
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}
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switch ($formatter) {
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case 'plain':
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return strip_tags($text);
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default:
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return $text;
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}
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}
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/**
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* Implementation of hook_widget_info().
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*/
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function currency_cck_widget_info() {
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return array(
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'currency_cck_select' => array(
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'label' => 'Select List',
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'field types' => array('currency_cck'),
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),
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);
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}
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/**
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* Implementation of hook_widget().
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*/
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function currency_cck_widget($op, &$node, $field, &$items) {
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switch ($op) {
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case 'prepare form values':
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$items_transposed = content_transpose_array_rows_cols($items);
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$items['default currency'] = $items_transposed['currency'];
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break;
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case 'form':
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$form = array();
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$options = currency_api_get_list();
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if (!$field['required']) {
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$options = array('none' => t('<none>')) + $options;
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}
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if (empty($items['default currency'])) {
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$items['default currency'][] = 'none';
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}
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$form[$field['field_name']] = array('#tree' => TRUE);
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$form[$field['field_name']]['currency'] = array(
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'#type' => 'select',
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'#title' => t($field['widget']['label']),
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'#default_value' => $items['default currency'],
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'#multiple' => $field['multiple'],
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'#size' => $field['multiple'] ? min(count($options), 6) : 0,
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'#options' => $options,
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'#required' => $field['required'],
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'#description' => t($field['widget']['description']),
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);
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return $form;
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case 'process form values':
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if ($field['multiple']) {
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// drop the 'none' option
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unset($items['currency']['none']);
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if (!empty($items['currency'])) {
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$items = array_values(content_transpose_array_rows_cols(array('currency' => $items['currency'])));
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}
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else {
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$items[0]['currency'] = '';
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}
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}
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else {
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$items[0]['currency'] = ($items['currency'] != 'none') ? $items['currency'] : '';
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}
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// Remove the widget's data representation so it isn't saved.
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unset($items['currency']);
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foreach ($items as $delta => $item) {
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$items[$delta]['error_field'] = $field['field_name'] .'][currency';
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}
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}
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}
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