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New module 'Viewfield'

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Manuel Cillero 2017-07-26 13:42:35 +02:00
parent 0e730eca64
commit e696a07d44
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Viewfield x.x-x.x, xxxx-xx-xx
-----------------------------
Viewfield 6.x-2.x, xxxx-xx-xx
-----------------------------
#1329428 by keithm: Changed for new token_replace() initial string argument.
#1216684 by keithm, sun: Changed to merge include files into .module.
#1181226 by sun, keithm: Changed to remove viewfield_views_query_alter().
#535494 by keithm: Fixed stack discipline to avoid rendering same view twice.
#1207552 by keithm: Changed to use widget defaults with force_default.
#311587 by sun, keithm: Fixed force default handling.
by keithm: Rolled back #903034 because it breaks views headers/footers.
#903034 by keithm: Fixed bug producing output for empty view.
#1048516 by GoZ, keithm: Fixed select list to test for deleted view.
#1149592 by keithm: Fixed update_6004() to remove update_sql() call.
#1147558 by dwightaspinwall, sun: Fixed updates with empty contents.
#1141200 by wojtha, keithm: Fixed column vname to allow NULL.
#416922 by keithm: Fixed update_6001 to check current size < 128 before update.
#489908 by sun, keithm: Change default value settings to field instance level.
- $field['super_default'] is gone, which previously allowed saving nodes
with no viewfield value, but then to use the field's configured default
values automatically. This had an effect only for nodes that were created
before the viewfield was created, because viewfields in nodes created after
any field is created receive the configured default value preselected in the
node edit form, and CCK/Field API always stores a value, even if it is the
same as the default value.
- $field['super_default_widget'] is equally gone, without replacement, as it
merely completed aforementioned functionality.
- $field['widget']['override_default'] is also gone, ditto.
- $field['token_enabled'] is also gone, as we can replace both legacy tokens
and Token module tokens without conflicts.
- Global default values are migrated to the instance level.
Viewfield 6.x-1.x, xxxx-xx-xx
-----------------------------
#416922 by frjo, keithm: Fixed vname too short.
#1052370 by Anclywen: Fixed unrestricted list of allowed views.
#1120884 by keithm: Fixed viewfield creation notices.
#647746 by sun: Fixed %author id of node not always passed to view.
#571128 by sun: Fixed field setting labels and descriptions (UX).
#535494 by sun, chaps2: Fixed view is processed twice for tokens.
#831574 by sun: Fixed array_filter PHP warning.
#510356 by etzel, sun: Fixed exposed filters submitting to front page.
#477244 by muhleder, japanitrat, sun: Fixed empty view result output.
Viewfield 6.x-1.0, 2010-08-24
-----------------------------
by sun: Fixed character encoding and line endings of all files.
#509406 by sun, askibinski, KarenS: Fixed views field select options.
#118764 by alex_b: Fixed typo in translating arguments.
#100085 by Eaton: Implemented plugins as formatters.
#235572 by plach. Updated to Drupal 6.
by Zoltan Balogh: Added Hungarian translation.
#348257 by jerdavis: Added selection of available view displays to viewfield
drop-down lists.
Allows users to select a specific view display rather than forcing them to
create a new default display for each view.
#367799 by webchick, jerdavis: Fixed metric boat-loads of notices.
Cleaned up some code to remove some of the notices being thrown if
error_reporting is E_ALL.
#301503 by plach, artis, radman16, jerdavis: Fixed SQL error on non-node views.
Added $table_queue check on $query to make sure we've got a node table in the
queue before altering the query.
#367799 by Darren Oh: Fixed more error notices.
#386430 by muhleder: Fixed default value not being used until node is saved.
#312131 by plach: Fixed argument caching.
#376433 by revimage, jerdavis: Fixed lost settings when node is modified from
outside the node edit form.
Removed fieldset from viewfield in viewfield_select_process() and
viewfield_field().
#399872 by burlap, jerdavis: Fixed views access control.
Added $view->access() check to view execution and rendering in
_viewfield_get_view_content().
#416922 by Darren Oh: Fixed lost settings on default views.
by Darren Oh: Fixed error notice when force default is on.
by Darren Oh: Reverted previous commit.
Arguments would not display on the field settings page when force default was
on.
#386430 by Darren Oh: Reverted patch.
Patch prevented nodes from overriding default values.
by Darren Oh: Organized code and fixed coding standards compliance.
by Darren Oh: Fixed more error notices.
by Darren Oh: Added translation template.
by Darren Oh: Fixed typo in changelog.
by Darren Oh: Moved theme functions file to theme directory.
by Darren Oh: Changed install file description.
by Darren Oh: Fixed update to enable fields.
by Zoltan Balogh: Updated Hungarian translation.
#373373 by ramsalt: Fixed page view changing node title.
#416922 by Darren Oh: Fixed upgrade for existing fields.
#434920 by Darren Oh: Fixed argument defaults being lost on save.
by Darren Oh: Fixed user keyword.
by Darren Oh: Fixed caching error.
#480432 by Aren Cambre, hadsie, scottrigby, jerdavis: Error when creating new
viewfield.
Added is_array() check to prevent errors when the field is first being
created.
#480432 by Darren Oh: Improved original fix to prevent error on line 276.
by Darren Oh: Fixed undefined variable errors.
#568304 by Darren Oh: Fixed rendering of fieldgroups after fieldgroup containing
viewfield.
A viewfield in a fieldgroup would prevent subsequent fieldgroups from being
rendered if the build mode was not full.
#568304 by Darren Oh: Fixed missing fieldgroups in full node view after last
change.
Viewfield 5.x-1.x, 2007-02-05
-----------------------------
by mfredrickson: Fixed ID for author argument token.
Was using node ID instead of user ID.
#100971 by eaton, webchick, alex_b, yched, and stefano73: Updated to Drupal 5.
Some changes to the implementation:
* More reliance on the views formatters (as seems to be the norm for CCK
fields now) for formatting regular node views.
* The full node formatter is now the "default". This may break some existing
views. It's worth the pain.
* Added paging as per stefano73/alex_b's work. Relatively untested, but it
looks good so far. (Thanks!)
Viewfield 4.7.x-1.x, 2006-11-10
-------------------------------
by mfredrickson: Initial commit.
Nodes hold content. Views save queries. Wouldn't be great if a node could hold
a saved query? Now it can. Viewfield is a CCK field module that allows
administrators to put views directly into nodes. When creating a node, users
can select from a list of views. When the node is displayed, the view is run
and the content is inserted into the body of the node.

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OVERVIEW
Nodes hold content. Views save queries. Wouldn't be great if a node could hold a
saved query? Now it can. Viewfield is a CCK field module that allows
administrators to put views directly into nodes. When creating a node, users can
select from a list of views. When the node is displayed, the view is run and the
content is inserted into the body of the node.
INSTALLATION
This module requires the views.module and content.module. Enable these modules,
then enable viewfield.module. You're ready to go.
TODO
1. Provide better control over each view in multiselect fields.
2. Use exposed views to allow for more point and click control over the view at
node add time.
3. Integrate this module back into views when CCK becomes part of core.
AUTHOR
Mark Fredrickson
mark.m.fredrickson@advantagelabs.com

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tr .viewfield-select .form-item {
white-space: normal;
}

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name = Viewfield
description = Defines a field type to display a view.
package = CCK
dependencies[] = views
dependencies[] = content
core = 6.x
; Information added by drupal.org packaging script on 2012-07-02
version = "6.x-2.0"
core = "6.x"
project = "viewfield"
datestamp = "1341254541"

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<?php
/**
* @file
* Installation functions.
*/
/**
* Implementation of hook_install().
*/
function viewfield_install() {
drupal_load('module', 'content');
content_notify('install', 'viewfield');
}
/**
* Implementation of hook_uninstall().
*/
function viewfield_uninstall() {
drupal_load('module', 'content');
content_notify('uninstall', 'viewfield');
}
/**
* Implementation of hook_enable().
*
* Notify content module when this module is enabled.
*/
function viewfield_enable() {
drupal_load('module', 'content');
content_notify('enable', 'viewfield');
}
/**
* Implementation of hook_disable().
*
* Notify content module when this module is disabled.
*/
function viewfield_disable() {
drupal_load('module', 'content');
content_notify('disable', 'viewfield');
}
/**
* Implementation of hook_update_N().
*/
function viewfield_update_6000() {
if ($abort = content_check_update('viewfield')) {
return $abort;
}
$ret = array();
$result = db_query("SELECT * FROM {content_node_field} WHERE type = 'viewfield'");
while ($field = db_fetch_array($result)) {
$field_result = db_query("SELECT * FROM {content_node_field_instance} WHERE field_name = '%s'", $field['field_name']);
while ($instance = db_fetch_array($field_result)) {
$instance['widget_settings'] = unserialize($instance['widget_settings']);
$widget_settings = serialize(array('force_default' => $instance['widget_settings']['force_default']));
$instance['display_settings'] = unserialize($instance['display_settings']);
foreach ($instance['display_settings'] as $display_context => $display_setting) {
$instance['display_settings'][$display_context]['format'] = $display_setting['format'] == 'hidden' ? $display_setting['format'] : 'default';
}
$display_settings = serialize($instance['display_settings']);
$update = db_query("UPDATE {content_node_field_instance} SET widget_settings = '%s', display_settings = '%s' WHERE field_name = '%s' AND type_name = '%s'", $widget_settings, $display_settings, $instance['field_name'], $instance['type_name']);
$ret[] = array('success' => $result !== FALSE, 'query' => "UPDATE {content_node_field_instance} SET widget_settings = '$widget_settings', display_settings = '$display_settings' WHERE field_name = '$instance[field_name]' AND type_name = '$instance[type_name]'");
}
$display = $display_setting['format'] == 'block' ? 'block_1' : 'default';
$field['global_settings'] = unserialize($field['global_settings']);
$field['global_settings']['token_enabled'] = TRUE;
$super_default_widget = $field['global_settings']['super_default_widget'][0][$field['field_name']];
$field['global_settings']['super_default_widget'] = array(
'vname' => empty($super_default_widget['vnames']) ? NULL : $super_default_widget['vnames'] .'|'. $display,
'vargs' => $super_default_widget['vargs'],
);
$global_settings = serialize($field['global_settings']);
$update = db_query("UPDATE {content_node_field} SET global_settings = '%s' WHERE field_name = '%s'", $global_settings, $field['field_name']);
$ret[] = array('success' => $update !== FALSE, 'query' => "UPDATE {content_node_field} SET global_settings = '$global_settings' WHERE field_name = '$field[field_name]'");
}
return $ret;
}
/**
* Update vname fields to varchar(128).
*
* Removed due to error:
* @see viewfield_update_6003()
* @see http://drupal.org/node/1141200
*/
function viewfield_update_6001() {
$ret = array();
return $ret;
}
/**
* Moved to update_6004() because update_6001() was fixed as update_6003().
*/
function viewfield_update_6002() {
$ret = array();
return $ret;
}
/**
* Update vname fields to varchar(128).
*
* @see viewfield_field_settings()
*/
function viewfield_update_6003() {
if ($abort = content_check_update('viewfield')) {
return $abort;
}
$ret = array();
$new_length = 128;
$result = db_query("SELECT * FROM {" . content_field_tablename() . "} WHERE type = 'viewfield'");
while ($field = db_fetch_array($result)) {
$field['db_columns'] = unserialize($field['db_columns']);
if ($field['db_columns']['vname']['length'] < $new_length) {
$field['db_columns']['vname']['length'] = $new_length;
$db_columns = serialize($field['db_columns']);
$update = db_query("UPDATE {" . content_field_tablename() . "} SET db_columns = '%s' WHERE field_name = '%s'", $db_columns, $field['field_name']);
$ret[] = array('success' => $update !== FALSE, 'query' => "UPDATE {" . content_field_tablename() . "} SET db_columns = '$db_columns' WHERE field_name = '$field[field_name]'");
}
}
foreach (content_fields() as $field) {
if ($field['type'] == 'viewfield') {
$field_database_info = content_database_info($field);
$table_name = $field_database_info['table'];
$vname_info = $field_database_info['columns']['vname'];
// Apply to all fields, not just those with length < 128 because of bug in
// 6001. If that update had been applied already, we want to make sure
// this one gets applied.
db_change_field($ret, $table_name, $vname_info['column'], $vname_info['column'], array(
'type' => 'varchar',
'length' => $new_length,
'not null' => FALSE,
'default' => NULL,
));
}
}
return $ret;
}
/**
* Migrate global default_value settings to instance level.
*/
function viewfield_update_6004() {
if ($abort = content_check_update('viewfield')) {
return $abort;
}
$ret = array();
$settings_updates = array();
$instance_table = content_instance_tablename();
$field_table = content_field_tablename();
$result = db_query("SELECT * FROM {". $instance_table ."} it LEFT JOIN {". $field_table ."} ft ON ft.field_name = it.field_name WHERE ft.type = 'viewfield'");
while ($field = db_fetch_array($result)) {
$global_settings = unserialize($field['global_settings']);
$widget_settings = unserialize($field['widget_settings']);
if (isset($global_settings['super_default_widget']['vname']) && !isset($widget_settings['default_value'][0]['vname'])) {
$widget_settings['default_value'][0]['vname'] = $global_settings['super_default_widget']['vname'];
$widget_settings['default_value'][0]['vargs'] = $global_settings['super_default_widget']['vargs'];
$settings_updates[] = array(
'field_name' => $field['field_name'],
'type_name' => $field['type_name'],
'widget_settings' => serialize($widget_settings),
);
}
}
foreach ($settings_updates as $settings_update) {
$sql = "UPDATE {" . $instance_table . "} SET widget_settings = '%s' WHERE field_name = '%s' AND type_name = '%s'";
$update = db_query($sql, $settings_update['widget_settings'], $settings_update['field_name'], $settings_update['type_name']);
$ret[] = array('success' => $update !== FALSE, 'query' => $sql);
}
return $ret;
}

385
sites/all/modules/viewfield/viewfield.module Normal file
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@ -0,0 +1,385 @@
<?php
/**
* @file
* Core functions.
*
* @todo Double-check potential performance issues mentioned in code comments.
*/
/**
* Implementation of hook_field_info().
*/
function viewfield_field_info() {
return array(
'viewfield' => array(
// Should be "View", but that would translate into "view" (show) for many
// languages due to missing string translation contexts.
'label' => t('Views'),
'description' => t('Displays a selected view in a node.'),
'callbacks' => array(
'tables' => CONTENT_CALLBACK_NONE,
'arguments' => CONTENT_CALLBACK_NONE,
),
),
);
}
/**
* Implementation of hook_field_settings().
*/
function viewfield_field_settings($op, $field) {
switch ($op) {
case 'form':
$form['allowed_views'] = array(
'#type' => 'checkboxes',
'#title' => t('Allowed values'),
'#default_value' => is_array($field['allowed_views']) ? $field['allowed_views'] : array(),
'#options' => drupal_map_assoc(array_keys(views_get_all_views())),
'#description' => t('Only selected views will be available for content authors. Leave empty to allow all.'),
);
return $form;
case 'validate':
if ($field['force_default'] && $field['multiple']) {
form_set_error('multiple', t('Multiple views are not supported if force default is enabled.'));
}
break;
case 'save':
return array(
'allowed_views',
);
case 'database columns':
return array(
// Views requires at least 96 chars for the view name and display, plus
// we need 1 for our delimiter. Round up to a common value of 128.
'vname' => array('type' => 'varchar', 'not null' => FALSE, 'length' => 128),
'vargs' => array('type' => 'varchar', 'not null' => FALSE, 'length' => 255),
);
}
}
/**
* Implementation of hook_field().
*/
function viewfield_field($op, &$node, $field, &$items, $teaser, $page) {
switch ($op) {
case 'presave':
foreach ($items as $delta => $item) {
if (empty($item['vname'])) {
unset($items[$delta]);
}
}
break;
case 'sanitize':
// Replace field values with widget defaults when force_default is set.
if ($field['widget']['force_default']) {
$items = $field['widget']['default_value'];
}
break;
}
}
/**
* Implementation of hook_content_is_empty().
*/
function viewfield_content_is_empty($item, $field) {
return empty($item['vname']);
}
/**
* Implementation of hook_field_formatter_info().
*/
function viewfield_field_formatter_info() {
return array(
'default' => array(
'label' => t('Default'),
'field types' => array('viewfield')
),
);
}
/**
* Return a themed view avoiding viewfield recursion.
*/
function theme_viewfield_formatter_default($element) {
// $_viewfield_stack keeps a record of the current node to prevent infinite
// recursion during the view rendering process.
global $_viewfield_stack;
$node = $element['#node'];
if (!empty($element['#item']['vname']) && !isset($_viewfield_stack[$node->nid])) {
// Push id of current node unless it's a new node being previewed.
if ($node->nid) {
$_viewfield_stack[$node->nid] = $node->nid;
}
list($view_name, $display) = explode('|', $element['#item']['vname'], 2);
$view_args = _viewfield_get_view_args($element['#item']['vargs'], $element['#node']);
// Render the view like Views would do.
// @see views_embed_view()
$view = views_get_view($view_name);
if ($view && $view->access($display)) {
// Override the view's path to the current path. Otherwise, exposed views
// filters would submit to the front page.
$view->override_path = $_GET['q'];
$output = $view->preview($display, $view_args);
}
// This node is "safe" again.
if ($node->nid) {
unset($_viewfield_stack[$node->nid]);
}
// Only return an actual view result to not break empty value behavior.
if (isset($output)) {
return $output;
}
}
}
/**
* Implementation of hook_widget_info().
*/
function viewfield_widget_info() {
return array(
'viewfield_select' => array(
'label' => 'Select List',
'field types' => array('viewfield'),
'multiple_values' => CONTENT_HANDLE_CORE,
'callbacks' => array(
'default value' => CONTENT_CALLBACK_DEFAULT,
),
),
);
}
/**
* Implementation of hook_widget_settings().
*/
function viewfield_widget_settings($op, $widget) {
switch ($op) {
case 'form':
$form['force_default'] = array(
'#type' => 'checkbox',
'#title' => t('Always use default value'),
'#default_value' => $widget['force_default'],
'#description' => t('Hides this field in forms and forces the default value defined below.'),
);
return $form;
case 'save':
return array(
'force_default',
);
}
}
/**
* Implementation of hook_widget().
*/
function viewfield_widget(&$form, &$form_state, $field, $items, $delta = 0) {
$element = array(
'#type' => $field['widget']['type'],
'#default_value' => isset($items[$delta]) ? $items[$delta] : NULL,
);
return $element;
}
/**
* Implementation of FAPI hook_elements().
*/
function viewfield_elements() {
return array(
'viewfield_select' => array(
'#input' => TRUE,
'#columns' => array('vname', 'vargs'),
'#delta' => 0,
'#process' => array('viewfield_select_process'),
),
);
}
function viewfield_select_process($element, $edit, $form_state, $form) {
// This form is used for both the default value field in the admin as well as
// the node edit form, so we have to make sure we show the default value field
// always.
$is_field_settings_form = !isset($form['#node']);
$field = isset($form['#field_info'][$element['#field_name']]) ? $form['#field_info'][$element['#field_name']] : NULL;
$element['#field'] = $field;
// Display the form to let the user pick a view.
$options = _viewfield_potential_references($field, $element['#delta']);
$element['vname'] = array(
'#type' => 'select',
'#title' => $element['#title'],
'#options' => $options,
'#default_value' => isset($element['#default_value']['vname']) ? $element['#default_value']['vname'] : NULL,
'#required' => $element['#required'],
'#access' => $is_field_settings_form || !$field['widget']['force_default'],
'#description' => $element['#description'],
);
// If there is only one option, only show arguments.
if (count($options) == 1 && !$is_field_settings_form) {
list($key, $label) = each($options);
$element['vname']['#access'] = FALSE;
$element['vname']['#default_value'] = $key;
}
$element['vargs'] = array(
'#type' => 'textfield',
'#title' => !isset($label) ? t('Arguments') : t('%field (@value) arguments', array(
'%field' => $field['widget']['label'],
'@value' => $label,
)),
'#default_value' => isset($element['#default_value']['vargs']) ? $element['#default_value']['vargs'] : NULL,
'#access' => $is_field_settings_form || !$field['widget']['force_default'],
'#description' => t('A comma separated list of arguments to pass to the selected view. Wrap arguments containing commas in double quotes. Replace double quotes in arguments with two double quotes.'),
);
$token_description = t('Available tokens: %nid for the id of the current node; %author for the node author; %viewer for the viewing user');
if (module_exists('token')) {
$element['vargs']['#description'] .=
'<br />' . $token_description . '; ' . t('or any token from the placeholder token list.')
. '<br />' . t('Note: Using placeholder tokens in combination with the %fields row style may negatively affect site performance.', array('%fields' => t('Fields')));
// Only show token help for first value or in field settings form.
if ($element['#delta'] == 0 && ($is_field_settings_form || !$field['widget']['force_default'])) {
$element['token_help'] = array(
'#type' => 'fieldset',
'#title' => t('Placeholder tokens'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$element['token_help']['tokens'] = array(
'#value' => theme('token_help', 'node'),
);
}
}
else {
$element['vargs']['#description'] .= '<br />' . $token_description . '.';
}
return $element;
}
/**
* Prepare a list of views for selection.
*/
function _viewfield_potential_references($field, $delta = 0) {
$options = array();
if (isset($field['allowed_views']) && is_array($field['allowed_views'])) {
$field['allowed_views'] = array_filter($field['allowed_views']);
}
if (empty($field['allowed_views'])) {
$field['allowed_views'] = array_keys(views_get_all_views());
}
foreach ($field['allowed_views'] as $view_name) {
// Check for deleted views saved in allowed_views.
if ($view = views_get_view($view_name)) {
foreach ($view->display as $display) {
$options[$view->name .'|'. $display->id] = $view->name .' - '. $display->display_title;
}
}
}
// Add a '0' option for non-required or subsequent values of multiple fields.
if (empty($field['required']) || ($field['multiple'] && $delta > 0)) {
array_unshift($options, '<'. t('none') .'>');
}
return $options;
}
/**
* Implementation of hook_theme().
*/
function viewfield_theme() {
return array(
'viewfield_select' => array(
'arguments' => array('element' => NULL),
),
'viewfield_formatter_default' => array(
'arguments' => array('element' => NULL),
),
);
}
/**
* Add CSS to force help text to wrap correctly on node edit form.
*/
function theme_viewfield_select($element) {
if (!empty($element['#children'])) {
$field = $element['#field'];
if ($field['multiple'] && $element['#delta'] == 0) {
// This is needed only for multiple viewfields.
drupal_add_css(drupal_get_path('module', 'viewfield') .'/viewfield.css');
}
return '<div class="viewfield-select">'. $element['#children'] .'</div>';
}
}
/**
* Perform argument replacement
*/
function _viewfield_get_view_args($vargs, $node) {
$args = array();
// Prevent token_replace() from running this function a second time
// before it completes the first time.
static $tokens = TRUE;
if ($tokens && !empty($vargs)) {
$pos = 0;
while ($pos < strlen($vargs)) {
$found = FALSE;
// If string starts with a quote, start after quote and get everything
// before next quote.
if (strpos($vargs, '"', $pos) === $pos) {
if (($quote = strpos($vargs, '"', ++$pos)) !== FALSE) {
// Skip pairs of quotes.
while (!(($ql = strspn($vargs, '"', $quote)) & 1)) {
$quote = strpos($vargs, '"', $quote + $ql);
}
$args[] = str_replace('""', '"', substr($vargs, $pos, $quote + $ql - $pos - 1));
$pos = $quote + $ql + 1;
$found = TRUE;
}
}
elseif (($comma = strpos($vargs, ',', $pos)) !== FALSE) {
// Otherwise, get everything before next comma.
$args[] = substr($vargs, $pos, $comma - $pos);
// Skip to after comma and repeat
$pos = $comma + 1;
$found = TRUE;
}
if (!$found) {
$args[] = substr($vargs, $pos);
$pos = strlen($vargs);
}
}
// Try to replace tokens if $args might contain one.
if (strpos($vargs, '[') !== FALSE && module_exists('token')) {
$tokens = FALSE;
// If the view field is being loaded as a "view field" of "view row",
// instead of a simple "node field", the node object is not fully populated:
// we need a full node to perform a correct replacement.
$node = node_load($node->nid);
foreach ($args as $key => $text) {
$args[$key] = token_replace($text, 'node', $node);
}
$tokens = TRUE;
}
// For backwards compatibility, we scan for %nid, etc.
foreach ($args as $key => $value) {
$args[$key] = strtr($value, array(
'%nid' => $node->nid,
'%author' => isset($node->uid) ? $node->uid : (isset($node_values->uid) ? $node_values->uid : NULL),
'%viewer' => $GLOBALS['user']->uid,
));
}
}
return $args;
}