View source
<?php
function computed_field_field_info() {
return array(
'computed' => array(
'label' => t('Computed'),
'description' => t('Create field data via PHP code.'),
'callbacks' => array(
'tables' => CONTENT_CALLBACK_DEFAULT,
'arguments' => CONTENT_CALLBACK_DEFAULT,
),
),
);
}
function computed_field_field_settings($op, $field) {
switch ($op) {
case 'form':
$form = array();
$compute_func = 'computed_field_' . $field['field_name'] . '_compute';
$display_func = 'computed_field_' . $field['field_name'] . '_display';
$form['code'] = array(
'#type' => 'textarea',
'#rows' => 15,
'#title' => t('Computed Code'),
'#description' => '<p>' . t('The variables available to your code are: ') . '<code>&$node, $field, and &$node_field</code>' . t('. To set the value of the field, set ') . '<code>$node_field[0][\'value\']</code>.' . '</p><p>' . t('Here\'s a simple example which sets the computed field\'s value to the value of the sum of the number fields field_a and field_b: ') . '<code>$node_field[0][\'value\'] = $node->field_a[0][\'value\'] + $node->field_b[0][\'value\'];</code>. ' . '</p><p>' . t('Alternately, this code can be supplied by your own custom function named @compute_func($node, $field, $node_field). Any code entered above will be ignored if the function is defined.', array(
'@compute_func' => $compute_func,
)) . '</p>',
'#default_value' => !empty($field['code']) ? $field['code'] : '$node_field[0][\'value\'] = "";',
'#access' => !function_exists($compute_func),
);
if (function_exists($compute_func)) {
$form['compute_func'] = array(
'#type' => 'item',
'#value' => t('This field is computed using @compute_func().', array(
'@compute_func' => $compute_func,
)),
);
}
$form['display_format'] = array(
'#type' => 'textarea',
'#title' => t('Display Format'),
'#description' => '<p>' . t('This code should assign a string to the $display variable, which will be printed as the value of the field.') . '</p><p>' . t('The stored value of the field is in $node_field_item[\'value\']. The node is available at $node') . '</p><p>' . t('Note: this code has no effect if you use the "Computed Value" formatter option.') . '</p><p>' . t('Alternately, this code can be supplied by your own custom function named @display_func($field, $element, $node). Any code entered above will be ignored if the function is defined.', array(
'@display_func' => $display_func,
)) . '</p>',
'#default_value' => !empty($field['display_format']) ? $field['display_format'] : '$display = $node_field_item[\'value\'];',
'#access' => !function_exists($display_func),
);
if (function_exists($display_func)) {
$form['display_func'] = array(
'#type' => 'item',
'#value' => t('This field is computed using @display_func().', array(
'@display_func' => $display_func,
)),
);
}
$form['store'] = array(
'#type' => 'checkbox',
'#title' => t('Store using the database settings below (required for Views use)'),
'#default_value' => is_numeric($field['store']) ? $field['store'] : 1,
);
$form['database'] = array(
'#type' => 'fieldset',
'#title' => t('Database Storage Settings'),
);
$form['database']['data_type'] = array(
'#type' => 'radios',
'#title' => t('Data Type'),
'#description' => t('The SQL datatype to store this field in.'),
'#default_value' => !empty($field['data_type']) ? $field['data_type'] : 'varchar',
'#options' => array(
'varchar' => 'varchar',
'text' => 'text',
'longtext' => 'longtext',
'int' => 'int',
'float' => 'float',
'numeric' => 'decimal',
),
'#required' => FALSE,
);
$form['database']['data_length'] = array(
'#type' => 'textfield',
'#title' => t('Data Length (varchar/text only)'),
'#description' => t('<strong>Only</strong> valid for <strong>varchar</strong> or <strong>text</strong> fields. The length of the field stored in the database.'),
'#default_value' => !empty($field['data_length']) ? $field['data_length'] : NULL,
'#required' => FALSE,
);
$form['database']['data_size'] = array(
'#type' => 'select',
'#title' => t('Data Size (int/float)'),
'#description' => t('<strong>Only</strong> valid for <strong>int</strong> or <strong>float</strong> fields. The size of the field stored in the database.'),
'#default_value' => !empty($field['data_size']) ? $field['data_size'] : 'normal',
'#options' => array(
'tiny' => 'tiny',
'small' => 'small',
'medium' => 'medium',
'normal' => 'normal',
'big' => 'big',
),
'#required' => FALSE,
);
$form['database']['data_precision'] = array(
'#type' => 'select',
'#title' => t('Decimal Precision (decimal)'),
'#description' => t('<strong>Only</strong> valid for <strong>decimal</strong> fields. The total number of digits to store in the database, including those to the right of the decimal.'),
'#options' => drupal_map_assoc(range(10, 32)),
'#default_value' => !empty($field['data_precision']) ? $field['data_precision'] : 10,
'#required' => FALSE,
);
$form['database']['data_scale'] = array(
'#type' => 'select',
'#title' => t('Decimal Scale (decimal)'),
'#description' => t('<strong>Only</strong> valid for <strong>decimal</strong> fields. The number of digits to the right of the decimal. '),
'#options' => drupal_map_assoc(range(0, 10)),
'#default_value' => !empty($field['data_scale']) ? $field['data_scale'] : 2,
'#required' => FALSE,
);
$form['database']['data_default'] = array(
'#type' => 'textfield',
'#title' => t('Default Value'),
'#default_value' => $field['data_default'],
'#required' => FALSE,
);
$form['database']['data_not_NULL'] = array(
'#type' => 'checkbox',
'#title' => t('Not NULL'),
'#default_value' => is_numeric($field['data_not_NULL']) ? $field['data_not_NULL'] : FALSE,
);
$form['database']['data_sortable'] = array(
'#type' => 'checkbox',
'#title' => t('Sortable in Views'),
'#default_value' => is_numeric($field['data_sortable']) ? $field['data_sortable'] : TRUE,
);
return $form;
case 'validate':
if ($field['store']) {
if (empty($field['data_type'])) {
form_set_error('data_type', t('To store this field in the database, please specify a data type.'));
}
if (($field['data_type'] == 'text' || $field['data_type'] == 'varchar') && empty($field['data_length'])) {
form_set_error('data_length', t('To store this field in the database, please specify the data length.'));
}
}
break;
case 'save':
return array(
'code',
'display_format',
'store',
'data_type',
'data_length',
'data_size',
'data_precision',
'data_scale',
'data_not_NULL',
'data_default',
'data_sortable',
);
case 'database columns':
if (!is_numeric($field['store'])) {
$columns = array(
'value' => array(
'type' => 'varchar',
'length' => '32',
),
);
}
elseif ($field['store']) {
$columns = array(
'value' => array(),
);
if ($field['data_type'] == 'longtext') {
$columns['value']['type'] = 'text';
$columns['value']['size'] = 'big';
}
else {
$columns['value']['type'] = isset($field['data_type']) ? $field['data_type'] : 'varchar';
}
if ($field['data_type'] == 'text' || $field['data_type'] == 'varchar') {
$columns['value']['length'] = isset($field['data_length']) ? $field['data_length'] : 32;
}
if ($field['data_type'] == 'int' || $field['data_type'] == 'float') {
$columns['value']['size'] = isset($field['data_size']) ? $field['data_size'] : 'normal';
}
if ($field['data_type'] == 'numeric') {
$columns['value']['precision'] = isset($field['data_precision']) ? $field['data_precision'] : 10;
$columns['value']['scale'] = isset($field['data_scale']) ? $field['data_scale'] : 2;
}
$columns['value']['not null'] = isset($field['data_not_NULL']) ? $field['data_not_NULL'] : TRUE;
$columns['value']['sortable'] = isset($field['data_sortable']) ? $field['data_sortable'] : FALSE;
if ($field['data_default'] != '') {
$columns['value']['default'] = $field['data_default'];
}
}
else {
$columns = array(
'value' => array(
'type' => 'int',
'size' => 'tiny',
),
);
}
return $columns;
case 'filters':
return array(
'default' => array(
'name' => t('Default'),
'operator' => 'views_handler_operator_gtlt',
),
);
case 'callbacks':
return array(
'view' => CONTENT_CALLBACK_CUSTOM,
);
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);
$data[$table_alias][$field['field_name'] . '_value']['filter']['handler'] = 'content_handler_filter_many_to_one';
return $data;
}
}
}
function _computed_field_compute_value(&$node, $field, &$node_field) {
$compute_func = 'computed_field_' . $field['field_name'] . '_compute';
if (function_exists($compute_func)) {
$compute_func($node, $field, $node_field);
}
else {
if (isset($field['code'])) {
eval($field['code']);
}
}
}
function computed_field_field($op, &$node, $field, &$node_field, $teaser, $page) {
switch ($op) {
case 'load':
if (!$field['store']) {
_computed_field_compute_value($node, $field, $node_field);
return array(
$field['field_name'] => $node_field,
);
}
break;
case 'sanitize':
if ($node->build_mode == NODE_BUILD_PREVIEW) {
_computed_field_compute_value($node, $field, $node_field);
}
break;
case 'view':
$items = array();
foreach ($node_field as $delta => $item) {
$items[$delta]['view'] = content_format($field, $item, 'default', $node);
}
return theme('field', $node, $field, $items, $teaser, $page);
break;
case 'validate':
break;
case 'insert':
case 'update':
_computed_field_compute_value($node, $field, $node_field);
break;
}
}
function computed_field_widget_info() {
return array(
'computed' => array(
'label' => t('Computed'),
'field types' => array(
'computed',
),
'multiple values' => CONTENT_HANDLE_MODULE,
),
);
}
function computed_field_widget(&$form, &$form_state, $field, $items, $delta = 0) {
$elements = array();
foreach ($items as $delta => $item) {
$elements[$delta]['value'] = array(
'#type' => 'value',
'#tree' => TRUE,
'#default_value' => isset($item['value']) ? $item['value'] : NULL,
);
}
return $elements;
}
function computed_field_view_item($field, $node_field_item, $node = NULL) {
global $base_url;
$display = '';
eval($field['display_format']);
return $display;
}
function computed_field_theme() {
return array(
'computed_field_formatter_default' => array(
'arguments' => array(
'element' => NULL,
),
),
'computed_field_formatter_plain' => array(
'arguments' => array(
'element' => NULL,
),
),
'computed_field_formatter_markup' => array(
'arguments' => array(
'element' => NULL,
),
),
'computed_field_formatter_computed_value' => array(
'arguments' => array(
'element' => NULL,
),
),
);
}
function computed_field_field_formatter_info() {
return array(
'default' => array(
'label' => t('Raw text'),
'field types' => array(
'computed',
),
),
'plain' => array(
'label' => t('Plain text'),
'field types' => array(
'computed',
),
),
'markup' => array(
'label' => t('Markup'),
'field types' => array(
'computed',
),
),
'computed_value' => array(
'label' => t('Computed Value'),
'field types' => array(
'computed',
),
),
);
}
function theme_computed_field_formatter_default($element) {
$node = $element['#node'];
$field = content_fields($element['#field_name']);
$node_field_item['value'] = $element['#item']['value'];
$display_func = 'computed_field_' . $field['field_name'] . '_display';
if (function_exists($display_func)) {
$display = $display_func($field, $element, $node);
}
else {
eval($field['display_format']);
}
return $display;
}
function theme_computed_field_formatter_plain($element) {
$node = $element['#node'];
$field = content_fields($element['#field_name']);
$node_field_item['value'] = $element['#item']['value'];
$display_func = 'computed_field_' . $field['field_name'] . '_display';
if (function_exists($display_func)) {
$display = $display_func($field, $element);
}
else {
eval($field['display_format']);
}
return check_plain($display);
}
function theme_computed_field_formatter_markup($element) {
$node = $element['#node'];
$field = content_fields($element['#field_name']);
$node_field_item['value'] = $element['#item']['value'];
$display_func = 'computed_field_' . $field['field_name'] . '_display';
if (function_exists($display_func)) {
$display = $display_func($field, $element);
}
else {
eval($field['display_format']);
}
return check_markup($display);
}
function theme_computed_field_formatter_computed_value($element) {
return $element['#item']['value'];
}
function computed_field_content_is_empty($item, $field) {
if ($field['data_type'] == 'int' || $field['data_type'] == 'float') {
return !is_numeric($item['value']);
}
return empty($item['value']);
}
function computed_field_token_list($type = 'all') {
if ($type == 'field' || $type == 'all') {
$tokens = array();
$tokens['computed_field']['raw'] = t("Raw, unfiltered text.");
$tokens['computed_field']['formatted'] = t("Formatted and filtered text.");
return $tokens;
}
}
function computed_field_token_values($type, $object = NULL, $options = array()) {
if ($type == 'field') {
$item = $object[0];
$tokens['raw'] = $item['value'];
$tokens['formatted'] = $item['view'];
return $tokens;
}
}
function computed_field_content_multigroup_allowed_widgets() {
return array(
'computed',
);
}
function computed_field_content_multigroup_no_remove_widgets() {
return array(
'computed',
);
}