noderelationships.pages.inc in Node Relationships 6
Implementation of user land pages.
File
noderelationships.pages.incView source
<?php
/**
* @file
* Implementation of user land pages.
*/
/**
* Menu callback; Display back reference views in the node relationships tab.
*/
function noderelationships_backref_page($referred_node) {
// Include common module functions.
module_load_include('inc', 'noderelationships');
// Obtain back reference settings for this type.
$backref_settings = noderelationships_settings_load($referred_node->type, 'backref');
$backref_regions = $backref_settings['regions'];
if (empty($backref_regions[NODERELATIONSHIPS_BACKREF_REGION_TAB])) {
drupal_not_found();
return;
}
$region_settings = $backref_regions[NODERELATIONSHIPS_BACKREF_REGION_TAB];
$content = noderelationships_backref_build_content($referred_node, $region_settings);
$output = !empty($content) ? drupal_render($content) : '';
if (empty($output)) {
drupal_set_message(t('This %type-name does not have relations.', array(
'%type-name' => noderelationships_get_localized_content_type_name($referred_node->type),
)), 'warning');
}
return $output;
}
/**
* Implementation of hook_nodeapi('view').
*
* @param $referred_node
* @param $region_settings
*/
function _noderelationships_nodeapi_view($referred_node, &$region_settings) {
$content = noderelationships_backref_build_content($referred_node, $region_settings);
if (!empty($content)) {
$referred_node->content['noderelationships'] = array(
'#type' => 'fieldset',
'#title' => t('Related content'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#weight' => noderelationships_get_element_weight($referred_node->type),
'content' => $content,
);
}
}
/**
* Build back reference content for the given node and region settings.
*
* @param $referred_node
* @param $region_settings
*/
function noderelationships_backref_build_content($referred_node, &$region_settings) {
$content = array();
$referred_type = noderelationships_get_localized_content_type($referred_node->type);
foreach ($region_settings as $relation_key => $relation_info) {
list($type_name, $field_name) = explode(':', $relation_key);
$referrer_type = noderelationships_get_localized_content_type($type_name);
$context = array(
'region_settings' => $region_settings,
'referred_node' => $referred_node,
'referred_type' => $referred_type,
'referrer_type' => $referrer_type,
'field_name' => $field_name,
);
$output = noderelationships_backref_render_view($relation_info['back_reference_view'], $context);
if (!empty($output)) {
$content['backref_' . $type_name . '_' . $field_name] = array(
'#value' => $output,
'#weight' => $relation_info['weight'],
);
}
}
// Allow external modules alter back references content.
$context = array(
'region_settings' => $region_settings,
'referred_node' => $referred_node,
'referred_type' => $referred_type,
);
drupal_alter('noderelationships_backref_content', $content, $context);
return $content;
}
/**
* Display a back reference view.
*
* @param $back_reference_view
* @param $context
* @param $render_view_title
*
* @see noderelationships_views_pre_view()
* @see noderelationships_customize_backref_view()
*/
function noderelationships_backref_render_view($back_reference_view, $context, $render_view_title = TRUE) {
static $pager_element = 0;
$referred_node =& $context['referred_node'];
$referred_type =& $context['referred_type'];
$referrer_type =& $context['referrer_type'];
$field_name = $context['field_name'];
// Load settings of the referring field.
$referrer_field = content_fields($field_name, $referrer_type->type);
if (empty($referrer_field)) {
drupal_set_message(t('Could not locate %field in content type %type.', array(
'%field' => $field_name,
'%type' => $referrer_type->type,
)), 'error');
watchdog('noderelationships', 'Could not locate %field in content type %type.', array(
'%field' => $field_name,
'%type' => $referrer_type->type,
), WATCHDOG_ERROR);
return '';
}
// Prepare the name of the view and display.
if (empty($back_reference_view)) {
$view_name = NODERELATIONSHIPS_BACKREF_VIEW_NAME;
$display_id = 'default';
}
else {
list($view_name, $display_id) = explode(':', $back_reference_view);
}
// Load the view and check access to the given display.
if (!($view = views_get_view($view_name)) || !$view
->access($display_id)) {
drupal_set_message(t('Could not load the view %view:%display.', array(
'%view' => $view_name,
'%display' => $display_id,
)), 'error');
watchdog('noderelationships', 'Could not load the view %view:%display.', array(
'%view' => $view_name,
'%display' => $display_id,
), WATCHDOG_ERROR);
return '';
}
// Prepare values for the view arguments as follows:
// 0 - nid of the referred node.
// 1 - type of the referring node.
// 2 - name of the nodereference field in the referring type.
$view_args = array(
$referred_node->nid,
$referrer_type->type,
$field_name,
);
// Assign a different pager element for each view in the same page request.
$view->display_handler
->override_option('pager_element', $pager_element);
// Make sure the view is completely valid.
$errors = $view
->validate();
if (is_array($errors)) {
foreach ($errors as $error) {
drupal_set_message($error, 'error');
}
return '';
}
// Execute and render the view in preview mode. Note that we only generate
// output if the executed view query returns any result.
$view->preview = TRUE;
$view
->pre_execute($view_args);
$view
->execute($display_id);
if (!empty($view->result)) {
$content = $view->display_handler
->preview();
}
$view
->post_execute();
if (empty($view->result)) {
return '';
}
// Now that we have output for this view, we need to increase the pager
// element counter.
$pager_element++;
// Find out a title for this view.
if ($render_view_title) {
// If the view title is empty (default), then we'll generate one.
$view_title = $view
->get_title();
if (empty($view_title)) {
$arguments = array(
'%node-title' => $referred_node->title,
'%referrer-type-name' => $referrer_type->name,
'%referred-type-name' => $referred_type->name,
'%referrer-label' => $referrer_field['widget']['label'],
);
$view_title = t('Back references from %referrer-label in %referrer-type-name for %referred-type-name: %node-title', $arguments);
// Allow external modules alter the view title.
noderelationships_alter_label($view_title, 'backref_view_title', $context, $arguments);
}
}
else {
$view_title = '';
}
return theme('noderelationships_backref_view', $view_title, $content);
}
/**
* Render a block for a back reference view.
*/
function theme_noderelationships_backref_view($title, $content) {
$output = '<dl class="noderelationships-backref-view">';
if (!empty($title)) {
$output .= '<dt>' . $title . '</dt>';
}
$output .= '<dd>' . $content . '</dd>';
$output .= '</dl>';
return $output;
}
/**
* Field formatter for back references view.
*/
function theme_noderelationships_formatter_default($element) {
// Check if we have a node here. We should.
if (empty($element['#node']) || empty($element['#node']->nid)) {
return '';
}
// Load back reference field data.
$field = content_fields($element['#field_name'], $element['#type_name']);
if (empty($field['referrer_field']) || empty($field['referrer_type'])) {
return '';
}
// Include common module functions.
module_load_include('inc', 'noderelationships');
// Obtain back reference settings for this type.
$backref_settings = noderelationships_settings_load($element['#type_name'], 'backref');
$backref_regions = $backref_settings['regions'];
if (empty($backref_regions[NODERELATIONSHIPS_BACKREF_REGION_FIELD])) {
return '';
}
// Check we really have relation information.
$region_settings = $backref_regions[NODERELATIONSHIPS_BACKREF_REGION_FIELD];
if (empty($region_settings[$field['referrer_type'] . ':' . $field['referrer_field']])) {
return '';
}
$relation_info = $region_settings[$field['referrer_type'] . ':' . $field['referrer_field']];
// Build the context structure and render the back reference view.
$context = array(
'region_settings' => $region_settings,
'referred_node' => $element['#node'],
'referred_type' => noderelationships_get_localized_content_type($element['#type_name']),
'referrer_type' => noderelationships_get_localized_content_type($field['referrer_type']),
'field_name' => $field['referrer_field'],
);
return noderelationships_backref_render_view($relation_info['back_reference_view'], $context, FALSE);
}
/**
* Field formatter for back references count.
*/
function theme_noderelationships_formatter_count($element) {
// Check if we have a node here. We should.
if (empty($element['#node']) || empty($element['#node']->nid)) {
return '';
}
// Load back reference field data.
$field = content_fields($element['#field_name'], $element['#type_name']);
if (empty($field['referrer_field']) || empty($field['referrer_type'])) {
return '';
}
// Include common module functions.
module_load_include('inc', 'noderelationships');
// Obtain back reference settings for this type.
$backref_settings = noderelationships_settings_load($element['#type_name'], 'backref');
$backref_regions = $backref_settings['regions'];
if (empty($backref_regions[NODERELATIONSHIPS_BACKREF_REGION_FIELD])) {
return '';
}
// Check we really have relation information.
$region_settings = $backref_regions[NODERELATIONSHIPS_BACKREF_REGION_FIELD];
if (empty($region_settings[$field['referrer_type'] . ':' . $field['referrer_field']])) {
return '';
}
// Get information about the referrer field.
$referrer_field = content_fields($field['referrer_field'], $field['referrer_type']);
if (empty($referrer_field)) {
return '';
}
$db_info = content_database_info($referrer_field);
if (empty($db_info) || empty($db_info['columns'])) {
return '';
}
$db_column = $field['referrer_field'] . '_' . current(array_keys($db_info['columns']));
// Compute and return the count of back references for the given field.
return db_result(db_query('SELECT COUNT(*) FROM {' . $db_info['table'] . '} WHERE ' . $db_column . ' = %d', $element['#node']->nid));
}
/**
* Menu callback; Search or Create and reference.
*/
function noderelationships_noderef_page($mode, $referrer_type = NULL, $field_name = NULL, $arg = NULL) {
// Enable the Modal Frame API for the child window.
modalframe_child_js();
// Try to load information about the requested nodereference field.
$referrer_field = isset($field_name) && isset($referrer_type) ? content_fields($field_name, $referrer_type) : NULL;
if (empty($referrer_field)) {
drupal_not_found();
return;
}
$module_path = drupal_get_path('module', 'noderelationships');
drupal_add_css($module_path . '/css/noderelationships.noderef_dialog.css');
drupal_add_js($module_path . '/js/noderef_dialog.js');
// Include common module functions.
module_load_include('inc', 'noderelationships');
// Obtain settings for nodereference extras for this type.
$noderef_settings = noderelationships_settings_load($referrer_type, 'noderef');
$create_or_translate_enabled = isset($noderef_settings['create_and_reference'][$field_name]) || isset($noderef_settings['translate_and_reference'][$field_name]) && noderelationships_translation_supported_type($referrer_type);
if ($mode == 'create' && $create_or_translate_enabled) {
$content = noderelationships_noderef_page_create($referrer_type, $field_name, $arg);
if (!empty($content)) {
$output = '';
if (isset($noderef_settings['search_and_reference_view'][$field_name]) && !noderelationships_noderef_get_translation_page_title()) {
$output .= theme('noderelationships_noderef_page_tabs', $mode, $referrer_type, $field_name);
}
$output .= theme('noderelationships_noderef_page_content', $content);
}
}
elseif ($mode == 'search' && isset($noderef_settings['search_and_reference_view'][$field_name])) {
list($view_name, $display_id) = explode(':', $noderef_settings['search_and_reference_view'][$field_name]);
$field_multiple = isset($arg) && $arg == 'multiselect' ? (int) $referrer_field['multiple'] : 0;
$content = noderelationships_noderef_page_search($referrer_type, $field_name, $referrer_field, $view_name, $display_id, $field_multiple);
if (!empty($content)) {
$output = '';
if ($create_or_translate_enabled && !$field_multiple) {
$output .= theme('noderelationships_noderef_page_tabs', $mode, $referrer_type, $field_name);
}
$output .= theme('noderelationships_noderef_page_content', $content);
}
}
if (isset($output)) {
return $output;
}
// Determine if an HTTP error has already been sent.
if (preg_match('`^HTTP/1.1\\s*[45][0-9][0-9]\\s*`m', drupal_get_headers())) {
return;
}
// Default to a 404 error page.
drupal_not_found();
}
/**
* Build the create and reference page.
*
* @see node_add_page()
* @see node_add()
* @see _noderelationships_child_node_form_alter()
* @see _noderelationships_child_node_form_submit()
*/
function noderelationships_noderef_page_create($referrer_type, $field_name, $new_type) {
$reference_fields = noderelationships_get_reference_fields($referrer_type);
if (isset($reference_fields[$field_name])) {
// Build the list of content types related to the given parent node type,
// and nodereference field, that can be created by the current user.
$creatable_types = noderelationships_get_creatable_types($referrer_type);
// Do we know the content type the user wants to create?
if (empty($new_type)) {
// Display the list of content types that can be referred from the
// given field in the current parent content type.
$node_add_list = array();
foreach ($reference_fields[$field_name] as $new_type) {
if (isset($creatable_types[$new_type])) {
$translated_menuitem = menu_get_item('node/add/' . str_replace('_', '-', $new_type));
if (!empty($translated_menuitem)) {
$translated_menuitem['href'] = 'noderelationships/create/' . $referrer_type . '/' . $field_name . '/' . $new_type;
$translated_menuitem['localized_options']['attributes'] = array(
'class' => 'modalframe-exclude',
);
$query = noderelationships_querystring();
if (!empty($query)) {
$translated_menuitem['localized_options']['query'] = $query;
}
$node_add_list[] = $translated_menuitem;
}
}
}
// Only display the content type selection screen if more than one
// type is available.
if (count($node_add_list) > 1) {
return theme('node_add_list', $node_add_list);
}
}
// And now? Do we know the content type the user wants to create?
if (!empty($new_type)) {
// Let's try to redirect to a regular node/add form for the specified type.
if (isset($creatable_types[$new_type])) {
$_GET['noderelationships_referrer_type'] = $referrer_type;
$_GET['noderelationships_field_name'] = $field_name;
$query = drupal_query_string_encode($_GET, array(
'q',
));
unset($_REQUEST['destination'], $_REQUEST['edit']['destination']);
drupal_goto('node/add/' . str_replace('_', '-', $new_type), $query);
}
}
}
}
/**
* Get the translation page title.
*
* @see translation_nodeapi()
*/
function noderelationships_noderef_get_translation_page_title($reset = FALSE) {
static $page_title;
if (!isset($page_title) || $reset) {
$page_title = FALSE;
if (isset($_GET['translation']) && isset($_GET['language']) && is_numeric($_GET['translation']) && user_access('translate content')) {
$translation_source = node_load($_GET['translation']);
if (!empty($translation_source) && node_access('view', $translation_source)) {
$language_list = noderelationships_get_localized_language_list();
if (isset($language_list[$_GET['language']]) && $translation_source->language != $_GET['language']) {
$page_title = t('Translating @title from @lang-from to @lang-to', array(
'@title' => $translation_source->title,
'@lang-from' => $language_list[$translation_source->language],
'@lang-to' => $language_list[$_GET['language']],
));
}
}
}
}
return $page_title;
}
/**
* Build the search and reference page.
*/
function noderelationships_noderef_page_search($referrer_type, $field_name, $referrer_field, $view_name, $display_id, $field_multiple) {
// Load the view and check access to the given display.
if (!($view = views_get_view($view_name)) || !$view
->access($display_id)) {
drupal_set_message(t('Could not load the view %view:%display.', array(
'%view' => $view_name,
'%display' => $display_id,
)), 'error');
watchdog('noderelationships', 'Could not load the view %view:%display.', array(
'%view' => $view_name,
'%display' => $display_id,
), WATCHDOG_ERROR);
return;
}
// Add javascript to the search and reference page.
$js_settings = array(
'maxAllowedValues' => $field_multiple == 1 ? 0 : ($field_multiple == 0 ? 1 : $field_multiple),
);
drupal_add_js(array(
'nodeRelationships' => $js_settings,
), 'setting');
jquery_ui_add(array(
'ui.sortable',
'effects.transfer',
));
// Prepare values for the view arguments as follows:
// 0 - type of the referrer node.
// 1 - name of the nodereference field in the referrer type.
$view_args = array(
$referrer_type,
$field_name,
);
// Make sure the view is completely valid.
$errors = $view
->validate();
if (is_array($errors)) {
foreach ($errors as $error) {
drupal_set_message($error, 'error');
}
return '';
}
// Execute the view display.
$output = $view
->execute_display($display_id, $view_args);
if (!empty($output)) {
if ($referrer_field['multiple'] && $js_settings['maxAllowedValues'] != 1) {
$output = theme('noderelationships_noderef_multiselect', $referrer_field) . "\n" . $output;
}
else {
$output = theme('noderelationships_noderef_singleselect', $referrer_field) . "\n" . $output;
}
}
return $output;
}
/**
* Render the single selection panel for search and reference views.
*/
function theme_noderelationships_noderef_singleselect($referrer_field) {
$output = '<div class="noderelationships-noderef-singleselect">';
$output .= '<label>' . t('Currently selected %field', array(
'%field' => $referrer_field['widget']['label'],
)) . ':</label>';
$output .= ' <span></span>';
$output .= '</div>';
return $output;
}
/**
* Render the multi selection panel for search and reference views.
*/
function theme_noderelationships_noderef_multiselect($referrer_field) {
$multiselect = '<div class="noderelationships-noderef-multiselect-items">';
$multiselect .= '<label>' . check_plain($referrer_field['widget']['label']) . ':</label>';
$multiselect .= '<div class="clear-block">';
$multiselect .= '<div class="noderelationships-noderef-multiselect-items-list"><ul></ul></div>';
$multiselect .= '<div class="noderelationships-noderef-multiselect-actions">';
$multiselect .= '<a href="javascript:void(0)" class="modalframe-exclude noderelationships-noderef-multiselect-button noderelationships-noderef-multiselect-sort-desc" title="' . check_plain(t('Sort descending')) . '">' . check_plain(t('Desc.')) . '</a>';
$multiselect .= '<a href="javascript:void(0)" class="modalframe-exclude noderelationships-noderef-multiselect-button noderelationships-noderef-multiselect-sort-asc" title="' . check_plain(t('Sort ascending')) . '">' . check_plain(t('Asc.')) . '</a>';
$multiselect .= '<a href="javascript:void(0)" class="modalframe-exclude noderelationships-noderef-multiselect-button noderelationships-noderef-multiselect-reset" title="' . check_plain(t('Reset selection')) . '">' . check_plain(t('Reset')) . '</a><br />';
$multiselect .= '<a href="javascript:void(0)" class="modalframe-exclude noderelationships-noderef-multiselect-button noderelationships-noderef-multiselect-save" title="' . check_plain(t('Close dialog and save changes')) . '">' . check_plain(t('Save')) . '</a>';
$multiselect .= '<a href="javascript:void(0)" class="modalframe-exclude noderelationships-noderef-multiselect-button noderelationships-noderef-multiselect-cancel" title="' . check_plain(t('Close dialog and discard changes')) . '">' . check_plain(t('Cancel')) . '</a>';
$multiselect .= '</div>';
$multiselect .= '</div>';
$multiselect .= '</div>';
$output = '<h2>' . t('Search and reference multiple items at once') . '</h2>';
$output .= '<div class="noderelationships-noderef-multiselect clear-block">';
$output .= theme('fieldset', array(
'#collapsible' => TRUE,
'#title' => t('Selected items'),
'#value' => $multiselect,
));
$output .= '</div>' . "\n";
return $output;
}
/**
* Render search/create tabs.
*/
function theme_noderelationships_noderef_page_tabs($mode, $referrer_type, $field_name) {
$options = array(
'attributes' => array(
'class' => 'modalframe-exclude',
),
);
$query = noderelationships_querystring();
if (!empty($query)) {
$options['query'] = $query;
}
$output = '<div class="noderelationships-noderef-page-tabs"><ul>';
$output .= '<li' . ($mode == 'search' ? ' class="active"' : '') . '>' . l(t('Search and reference'), 'noderelationships/search/' . $referrer_type . '/' . $field_name, $options) . '</li>';
$output .= '<li' . ($mode == 'create' ? ' class="active"' : '') . '>' . l(t('Create and reference'), 'noderelationships/create/' . $referrer_type . '/' . $field_name, $options) . '</li>';
$output .= '</ul></div>' . "\n";
return $output;
}
/**
* Render search/create content area.
*/
function theme_noderelationships_noderef_page_content($content) {
return theme('noderelationships_noderef_page_prefix') . $content . theme('noderelationships_noderef_page_suffix') . "\n";
}
/**
* Render search/create content prefix.
*/
function theme_noderelationships_noderef_page_prefix() {
return '<div class="noderelationships-noderef-page-content">';
}
/**
* Render search/create content suffix.
*/
function theme_noderelationships_noderef_page_suffix() {
return '</div>';
}
/**
* Alter parent node form to attach extra buttons to node reference fields.
*/
function _noderelationships_parent_node_form_alter(&$form, $form_state, $type_name, $noderef_settings) {
$reference_fields = noderelationships_get_reference_fields($type_name);
$creatable_types = noderelationships_get_creatable_types($type_name);
$content_fields = array();
// Prepare nodereference settings.
$field_settings = array();
foreach (array_keys($reference_fields) as $field_name) {
if (!isset($content_fields[$field_name])) {
$content_fields[$field_name] = content_fields($field_name, $type_name);
}
$field_settings[$field_name] = array(
'maxAllowedValues' => $content_fields[$field_name]['multiple'] == 1 ? 0 : (empty($content_fields[$field_name]['multiple']) ? 1 : (int) $content_fields[$field_name]['multiple']),
'ahahSearchUrl' => url('noderelationships/ahah/search/' . $type_name . '/' . $field_name),
);
if (isset($noderef_settings['edit_reference'][$field_name])) {
$field_settings[$field_name]['editReference'] = TRUE;
}
if (isset($noderef_settings['search_and_reference_view'][$field_name])) {
$field_settings[$field_name]['searchUrl'] = url('noderelationships/search/' . $type_name . '/' . $field_name);
}
if (isset($noderef_settings['create_and_reference'][$field_name]) && isset($reference_fields[$field_name])) {
// Compute the list of content types that can be referred from this
// nodereference field and the current user is allowed to create.
$field_creatable_types = array_intersect($creatable_types, $reference_fields[$field_name]);
if (!empty($field_creatable_types)) {
$field_settings[$field_name]['createUrl'] = url('noderelationships/create/' . $type_name . '/' . $field_name);
}
}
$field_settings[$field_name]['viewInNewWindow'] = !empty($noderef_settings['view_in_new_window'][$field_name]);
}
// If we're translating a node, then let's find missing translations for
// fields where the "Translate and reference" option has been enabled.
if (empty($form_state['submitted']) && isset($form['translation_source']) && isset($noderef_settings['translate_and_reference']) && noderelationships_translation_supported_type($type_name)) {
module_load_include('inc', 'noderelationships', 'noderelationships.translation');
_noderelationships_parent_node_form_build_translation_settings($form['#node'], $field_settings, $noderef_settings);
}
$form['#noderelationships'] = $field_settings;
// Install an after_build callback. This one is used to have support for the
// AHAH request related to the "Add more items" button of multivalue fields.
if (!isset($form['#after_build'])) {
$form['#after_build'] = array();
}
$form['#after_build'][] = '_noderelationships_parent_node_form_scanner_proxy';
// Install a pre_render callback. This one is used to have support when form
// validation errors are found. The after_build callback is not invoked in
// that case because the form is not rebuilt.
if (!isset($form['#pre_render'])) {
$form['#pre_render'] = array();
}
$form['#pre_render'][] = '_noderelationships_parent_node_form_scanner_proxy';
}
/**
* Form pre-render callback for parent node.
*/
function _noderelationships_parent_node_form_scanner($form) {
static $processed;
$field_settings =& $form['#noderelationships'];
if (!isset($processed)) {
$processed = TRUE;
// Enable the Modal Frame API for the parent window.
modalframe_parent_js();
// Send javascript and stylesheets to the page.
$module_path = drupal_get_path('module', 'noderelationships');
drupal_add_css($module_path . '/css/noderelationships.node_form.css');
drupal_add_js($module_path . '/js/node_form.js');
$js_settings = array(
'fieldSettings' => $field_settings,
'viewUrl' => url('node/nid'),
'editUrl' => url('node/nid/edit'),
);
drupal_add_js(array(
'nodeRelationships' => $js_settings,
), 'setting');
}
// Scan the form recursively to append CSS classes to node reference fields.
_noderelationships_parent_node_form_scanner_recursive($form, $field_settings);
return $form;
}
/**
* Scan the form recursively to append CSS classes to node reference fields.
*/
function _noderelationships_parent_node_form_scanner_recursive(&$elements, $field_settings) {
// Proceed only if user has access to this element and children.
if (isset($elements['#access']) && !$elements['#access']) {
return;
}
if (isset($elements['#field_name']) && isset($field_settings[$elements['#field_name']]) && isset($elements['#type'])) {
$field_name = $elements['#field_name'];
if ($elements['#type'] == 'nodereference_autocomplete' && isset($elements['nid']) && isset($elements['nid']['nid'])) {
_noderelationships_element_append_class($elements['nid']['nid'], 'noderelationships-nodereference-autocomplete noderelationships[' . $field_name . ']');
}
}
else {
// Recurse through all children elements.
foreach (element_children($elements) as $key) {
if (isset($elements[$key]) && $elements[$key]) {
_noderelationships_parent_node_form_scanner_recursive($elements[$key], $field_settings);
}
}
}
}
/**
* Append a class to a form element.
*/
function _noderelationships_element_append_class(&$element, $class_name) {
if (!isset($element['#attributes'])) {
$element['#attributes'] = array();
}
if (!isset($element['#attributes']['class'])) {
$element['#attributes']['class'] = $class_name;
}
elseif (strpos($element['#attributes']['class'], $class_name) === FALSE) {
$element['#attributes']['class'] .= ' ' . $class_name;
}
}
/**
* Alter create child node form.
*/
function _noderelationships_child_node_form_alter(&$form, $referrer_type, $field_name) {
// Install a pre_render callback.
if (!isset($form['#pre_render'])) {
$form['#pre_render'] = array();
}
$form['#pre_render'][] = '_noderelationships_child_node_form_pre_render_proxy';
$form['#noderelationships_child'] = array(
'referrer_type' => $referrer_type,
'field_name' => $field_name,
);
// Append our submit handler so we can tell the parent window to close
// the modal frame and update the node reference field.
$form['buttons']['submit']['#submit'][] = '_noderelationships_child_node_form_submit_proxy';
}
/**
* Alter edit child node form.
*/
function _noderelationships_child_edit_form_alter(&$form) {
// Install a pre_render callback.
if (!isset($form['#pre_render'])) {
$form['#pre_render'] = array();
}
$form['#pre_render'][] = '_noderelationships_child_node_form_pre_render_proxy';
// Append our submit handler so we can tell the parent window to close
// the modal frame and update the node reference field.
$form['buttons']['submit']['#submit'][] = '_noderelationships_child_node_form_submit_proxy';
// Disable the delete button.
if (isset($form['buttons']['delete'])) {
$form['buttons']['delete']['#access'] = FALSE;
}
}
/**
* Pre-render handler for child node form.
*/
function _noderelationships_child_node_form_pre_render($form) {
static $ready;
// Be carefull because the node edit form is rendered by theme_node_form(),
// and theme_node_form() executes drupal_render($form) again, so we're
// invoked twice. The first time by drupal_render_form(), and the second
// time by theme_node_form().
if (!isset($ready)) {
$ready = TRUE;
// Send stylesheets and javascript to the page.
$module_path = drupal_get_path('module', 'noderelationships');
drupal_add_css($module_path . '/css/noderelationships.noderef_dialog.css');
drupal_add_js($module_path . '/js/noderef_dialog.js');
// Wrap the form into our own container.
$prefix = '';
if (!empty($form['#noderelationships_child'])) {
$referrer_type = $form['#noderelationships_child']['referrer_type'];
$field_name = $form['#noderelationships_child']['field_name'];
// Render tabs when 'Search and reference' option is also enabled.
$noderef_settings = noderelationships_settings_load($referrer_type, 'noderef');
if (isset($noderef_settings['search_and_reference_view'][$field_name])) {
$prefix = theme('noderelationships_noderef_page_tabs', 'create', $referrer_type, $field_name);
}
}
$prefix .= theme('noderelationships_noderef_page_prefix');
$suffix = theme('noderelationships_noderef_page_suffix');
$form['#prefix'] = $prefix . (!empty($form['#prefix']) ? $form['#prefix'] : '');
$form['#suffix'] = (!empty($form['#suffix']) ? $form['#suffix'] : '') . $suffix;
}
return $form;
}
/**
* Submit handler for the child node form.
*/
function _noderelationships_child_node_form_submit($form, &$form_state) {
// Read the node title from fresh node so that modules such as Automatic Node
// Titles [1] can do their own job, and then we can get the resulting title.
// [1] http://drupal.org/project/auto_nodetitle
// Also, clear the static storage of node_load() because it could have been
// executed by another module during this page request, which would bring us
// a non-updated version of the node.
$node = node_load($form_state['nid'], NULL, TRUE);
modalframe_close_dialog(array(
'operation' => 'updateSingleValue',
'value' => $node->title . ' [nid:' . $form_state['nid'] . ']',
));
}
/**
* Menu callback for AHAH management of multiple value fields.
*
* @see content_add_more_js()
*/
function noderelationships_noderef_ahah_search($type_name, $field_name, $item_count) {
// Include node form code from CCK.
module_load_include('inc', 'content', 'includes/content.node_form');
$type = content_types($type_name);
$field = content_fields($field_name, $type['type']);
if ($field['multiple'] != 1 || empty($_POST['form_build_id'])) {
// Invalid request.
drupal_json(array(
'data' => '',
));
exit;
}
// Retrieve the cached form.
$form_state = array(
'submitted' => FALSE,
);
$form_build_id = $_POST['form_build_id'];
$form = form_get_cache($form_build_id, $form_state);
if (!$form) {
// Invalid form_build_id.
drupal_json(array(
'data' => '',
));
exit;
}
// Define the requested number of "empty" multiple values.
if (!is_numeric($item_count) || $item_count <= 0) {
$item_count = 1;
}
$_POST[$field_name] = array();
for ($i = 0; $i < $item_count; $i++) {
$_POST[$field_name][] = array(
'_weight' => $i,
);
}
// We don't simply return a new empty widget to append to existing ones, because
// - ahah.js won't simply let us add a new row to a table
// - attaching the 'draggable' behavior won't be easy
// So we resort to rebuilding the whole table of widgets including the existing ones,
// which makes us jump through a few hoops.
// The form that we get from the cache is unbuilt. We need to build it so that
// _value callbacks can be executed and $form_state['values'] populated.
// We only want to affect $form_state['values'], not the $form itself
// (built forms aren't supposed to enter the cache) nor the rest of $form_data,
// so we use copies of $form and $form_data.
$form_copy = $form;
$form_state_copy = $form_state;
$form_copy['#post'] = array();
form_builder($_POST['form_id'], $form_copy, $form_state_copy);
// Reset cached ids, so that they don't affect the actual form we output.
form_clean_id(NULL, TRUE);
// Sort the $form_state['values'] we just built *and* the incoming $_POST data
// according to d-n-d reordering.
unset($form_state['values'][$field_name][$field['field_name'] . '_add_more']);
$form_state['values'][$field_name] = array();
foreach ($_POST[$field_name] as $delta => $item) {
$form_state['values'][$field_name][$delta]['_weight'] = $item['_weight'];
$form_state['values'][$field_name][$delta]['_remove'] = isset($item['_remove']) ? $item['_remove'] : 0;
}
$form_state['values'][$field_name] = _content_sort_items($field, $form_state['values'][$field_name]);
$_POST[$field_name] = _content_sort_items($field, $_POST[$field_name]);
// Build our new form element for the whole field, asking for one more element.
$form_state['item_count'] = array(
$field_name => count($_POST[$field_name]),
);
$form_element = content_field_form($form, $form_state, $field);
// Let other modules alter it.
// We pass an empty array as hook_form_alter's usual 'form_state' parameter,
// instead of $form_atate (for reasons we may never remember).
// However, this argument is still expected to be passed by-reference
// (and PHP5.3 will throw an error if it isn't.) This leads to:
$data =& $form_element;
$empty_form_state = array();
$data['__drupal_alter_by_ref'] = array(
&$empty_form_state,
);
drupal_alter('form', $data, 'content_add_more_js');
// Add the new element at the right place in the (original, unbuilt) form.
if (function_exists('content_set_nested_elements')) {
content_set_nested_elements($form, $field_name, $form_element[$field_name]);
}
elseif (module_exists('fieldgroup') && ($group_name = _fieldgroup_field_get_group($type['type'], $field_name))) {
$form[$group_name][$field_name] = $form_element[$field_name];
}
else {
$form[$field_name] = $form_element[$field_name];
}
// Save the new definition of the form.
$form_state['values'] = array();
form_set_cache($form_build_id, $form, $form_state);
// Build the new form against the incoming $_POST values so that we can
// render the new element.
$form_state = array(
'submitted' => FALSE,
);
$form += array(
'#post' => $_POST,
'#programmed' => FALSE,
);
$form = form_builder($_POST['form_id'], $form, $form_state);
// Render the new output.
if (function_exists('content_get_nested_elements')) {
$field_form = array_shift(content_get_nested_elements($form, $field_name));
}
else {
$field_form = !empty($group_name) ? $form[$group_name][$field_name] : $form[$field_name];
}
// We add a div around the new content to receive the ahah effect.
$field_form['#prefix'] = '<div class="ahah-new-content">' . (isset($field_form['#prefix']) ? $field_form['#prefix'] : '');
$field_form['#suffix'] = (isset($field_form['#suffix']) ? $field_form['#suffix'] : '') . '</div>';
// If a newly inserted widget contains AHAH behaviors, they normally won't
// work because AHAH doesn't know about those - it just attaches to the exact
// form elements that were initially specified in the Drupal.settings object.
// The new ones didn't exist then, so we need to update Drupal.settings
// by ourselves in order to let AHAH know about those new form elements.
$javascript = drupal_add_js(NULL, NULL);
$output_js = isset($javascript['setting']) ? '<script type="text/javascript">jQuery.extend(Drupal.settings, ' . drupal_to_js(call_user_func_array('array_merge_recursive', $javascript['setting'])) . ');</script>' : '';
$output = theme('status_messages') . drupal_render($field_form) . $output_js;
// Using drupal_json() breaks filefield's file upload, because the jQuery
// Form plugin handles file uploads in a way that is not compatible with
// 'text/javascript' response type.
$GLOBALS['devel_shutdown'] = FALSE;
print drupal_to_js(array(
'status' => TRUE,
'data' => $output,
));
exit;
}Functions
Name |
Description |
|---|---|
| noderelationships_backref_build_content | Build back reference content for the given node and region settings. |
| noderelationships_backref_page | Menu callback; Display back reference views in the node relationships tab. |
| noderelationships_backref_render_view | Display a back reference view. |
| noderelationships_noderef_ahah_search | Menu callback for AHAH management of multiple value fields. |
| noderelationships_noderef_get_translation_page_title | Get the translation page title. |
| noderelationships_noderef_page | Menu callback; Search or Create and reference. |
| noderelationships_noderef_page_create | Build the create and reference page. |
| noderelationships_noderef_page_search | Build the search and reference page. |
| theme_noderelationships_backref_view | Render a block for a back reference view. |
| theme_noderelationships_formatter_count | Field formatter for back references count. |
| theme_noderelationships_formatter_default | Field formatter for back references view. |
| theme_noderelationships_noderef_multiselect | Render the multi selection panel for search and reference views. |
| theme_noderelationships_noderef_page_content | Render search/create content area. |
| theme_noderelationships_noderef_page_prefix | Render search/create content prefix. |
| theme_noderelationships_noderef_page_suffix | Render search/create content suffix. |
| theme_noderelationships_noderef_page_tabs | Render search/create tabs. |
| theme_noderelationships_noderef_singleselect | Render the single selection panel for search and reference views. |
| _noderelationships_child_edit_form_alter | Alter edit child node form. |
| _noderelationships_child_node_form_alter | Alter create child node form. |
| _noderelationships_child_node_form_pre_render | Pre-render handler for child node form. |
| _noderelationships_child_node_form_submit | Submit handler for the child node form. |
| _noderelationships_element_append_class | Append a class to a form element. |
| _noderelationships_nodeapi_view | Implementation of hook_nodeapi('view'). |
| _noderelationships_parent_node_form_alter | Alter parent node form to attach extra buttons to node reference fields. |
| _noderelationships_parent_node_form_scanner | Form pre-render callback for parent node. |
| _noderelationships_parent_node_form_scanner_recursive | Scan the form recursively to append CSS classes to node reference fields. |