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<?php
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// $Id$
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//////////////////////////////////////////////////////////////////////////////
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// Node relationship tab
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function relations_node_title_autocomplete($node1 = TRUE, $string = '') {
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$matches = array();
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if (!empty($string)) {
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$result = is_object($node1) ?
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db_query("SELECT nid, title FROM {node} WHERE nid != %d AND LOWER(title) LIKE LOWER('%s%%') ORDER BY title ASC", $node1->nid, $string) :
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db_query("SELECT nid, title FROM {node} WHERE LOWER(title) LIKE LOWER('%s%%') ORDER BY title ASC", $string);
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while (($node2 = db_fetch_object($result)) && count($matches) <= 15) {
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// TODO: filter out already related nodes.
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// Check whether the current user's access privileges permit the
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// creation of this relationship:
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if (relations_allowed($node1, $node2 = node_load($node2->nid))) {
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// To prevent ambiguous behavior in cases where multiple nodes have
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// identical titles, we return the node's full URL as the key:
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$url = url($path = drupal_get_path_alias('node/' . $node2->nid), array('absolute' => TRUE));
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$matches[$url] = check_plain($node2->title);
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}
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}
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}
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drupal_json($matches);
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}
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function relations_node_title_lookup($title) {
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return node_load(array('title' => $title));
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}
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function relations_node_form($form_state, $node, $is_embedded = FALSE) {
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$can_manage = user_access('create node relations') || user_access('delete node relations');
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return array(
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'#prefix' => '<div class="form-item" id="relations-table">', // class="clear-block"
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'#suffix' => $can_manage ? '<div class="description">' . relations_help('node/%/relations#table') . '</div></div>' : '</div>',
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'#theme' => 'relations_node_form',
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'#tree' => TRUE,
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'title' => array(
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'#type' => 'textfield',
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'#size' => 32,
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'#maxlength' => 4096,
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'#autocomplete_path' => module_exists('picker') ? '' : 'node/' . (!empty($node->nid) ? $node->nid : 'add') . '/relations/autocomplete',
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),
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'pick' => array(
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'#type' => 'markup',
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'#value' => !module_exists('picker') ? '' : picker_build_link(array(
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'element' => $is_embedded ? 'edit-relations-table-title' : 'edit-title',
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'name' => t('Select content'),
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'content_type' => relations_get_node_types(),
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'return' => 'fullnodeurl',
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'seperator' => ' ',
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'type' => 'button',
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'view_fields' => array('title' => t('Title'), 'type' => t('Type'), 'name' => t('Author')),
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'access_callback' => 'relations_picker_access', // @see relations.module
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)),
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),
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'create' => !$is_embedded ? array('#type' => 'submit', '#value' => t('Add relationship')) : array(
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'#type' => 'submit',
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'#value' => t('Add relationship'),
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'#weight' => 1,
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'#ahah' => array(
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'path' => 'node/add/relations/create',
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'wrapper' => 'relations-table',
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'method' => 'replace',
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'effect' => 'fade',
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),
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'#description' => t(''),
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),
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'nid' => array(
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'#type' => 'hidden',
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'#value' => !empty($node->nid) ? $node->nid : '',
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),
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'embedded' => array(
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'#type' => 'hidden',
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'#value' => (string)$is_embedded,
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),
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);
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}
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function relations_node_form_validate($form, &$form_state) {
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extract($form_state['values'], EXTR_SKIP | EXTR_REFS);
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if (empty($title)) {
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return; // when editing a node and using the embedded relationships form
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}
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else if (preg_match('!^(http|https)://!', $title)) {
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//$title = preg_replace('!https://!', '!http://!', $title);
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foreach (explode(' ', trim($title)) as $url) {
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if (!valid_url($url, TRUE)) {
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form_set_error('title', t('Not a valid URL: %url.', array('%url' => $url)));
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}
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if (strpos($url, $GLOBALS['base_url']) !== 0) { // the URL should begin with $base_url
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form_set_error('title', t('Not a valid local URL: %url.', array('%url' => $url)));
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}
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$path = drupal_get_normal_path(substr($url, strlen($GLOBALS['base_url']) + 1));
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if (!preg_match('!node/(\d+)!', $path, $matches) || !($node2 = node_load((int)$matches[1]))) {
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form_set_error('title', t('Not a valid content URL: %url.', array('%url' => $path)));
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}
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}
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}
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else if (preg_match('/^(\d+,?)+$/', $title, $matches)) { // (deprecated) special case for Picker module
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$access = node_access('update', node_load($nid));
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foreach (array_map('intval', explode(',', $title)) as $nid2) {
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if (!$access && !node_access('update', node_load($nid2))) {
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form_set_error('title', t('Your current access privileges prohibit the creation of this relationship.'));
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}
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}
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}
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else if (!($node2 = relations_node_title_lookup($title))) {
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form_set_error('title', t('No matching content titled %title found.', array('%title' => $title)));
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}
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else if (!node_access('update', node_load($nid)) && !node_access('update', $node2)) {
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form_set_error('title', t('Your current access privileges prohibit the creation of this relationship.'));
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}
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}
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function relations_node_form_submit($form, &$form_state) {
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extract($form_state['values'], EXTR_SKIP | EXTR_REFS);
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$nodes = array();
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if (empty($title)) {
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return; // when editing a node and using the embedded relationships form
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}
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else if (preg_match('!^(http|https)://!', $title)) {
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foreach (explode(' ', trim($title)) as $url) {
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$path = drupal_get_normal_path(substr($url, strlen($GLOBALS['base_url']) + 1));
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if (preg_match('!node/(\d+)!', $path, $matches)) {
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$nodes[] = node_load((int)$matches[1]);
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}
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}
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}
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else if (preg_match('/^(\d+,?)+$/', $title, $matches)) { // (deprecated) special case for Picker module
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$nodes = array_map('node_load', array_map('intval', explode(',', $title)));
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}
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else {
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$nodes[] = relations_node_title_lookup($title);
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}
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if (!empty($nodes)) {
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foreach ($nodes as $node2) {
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relations_api_create($nid, $node2->nid);
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watchdog('relations', 'Created relationship from node #%nid1 to #%nid2.', array('%nid1' => $nid, '%nid2' => $node2->nid), WATCHDOG_NOTICE, l(t('view'), 'node/' . $nid . '/relations'));
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drupal_set_message(t('The relationship to <a href="@url">%title</a> was created.', array('%title' => $node2->title, '@url' => url('node/'. $node2->nid))));
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}
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$form_state['redirect'] = 'node/' . $nid . '/relations';
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}
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}
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function relations_node_delete($form_state, $node1, $node2) {
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$form['nid1'] = array('#type' => 'value', '#value' => $node1->nid);
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$form['nid2'] = array('#type' => 'value', '#value' => $node2->nid);
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return confirm_form($form,
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t('Are you sure you want to delete the relationship to <a href="@url">%title</a>?', array('%title' => $node2->title, '@url' => url('node/'. $node2->nid))),
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isset($_GET['destination']) ? $_GET['destination'] : 'node/'. $node1->nid .'/relations',
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t('This action cannot be undone.'));
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}
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function relations_node_delete_submit($form, &$form_state) {
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extract($form_state['values'], EXTR_SKIP | EXTR_REFS);
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if ($form_state['values']['confirm']) {
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relations_api_delete($nid1, $nid2);
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watchdog('relations', 'Deleted relationship from node #%nid1 to #%nid2.', array('%nid1' => $nid1, '%nid2' => $nid2), WATCHDOG_NOTICE, l(t('view'), 'node/'. $nid1 .'/relations'));
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$node2 = node_load($nid2);
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drupal_set_message(t('The relationship to <a href="@url">%title</a> has been deleted.', array('%title' => ($node2 ? $node2->title : '#'. $nid2), '@url' => url('node/'. $nid2))));
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}
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$form_state['redirect'] = 'node/'. $nid1 .'/relations';
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}
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function relations_node_session_create() {
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$node1 = node_load($_POST['relations_table']['nid']);
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$title = $_POST['relations_table']['title'];
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if (preg_match('/^(\d+,?)+$/', $title, $matches)) { // special case for Picker module
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foreach (array_map('intval', explode(',', $title)) as $nid2) {
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if (($node2 = node_load($nid2))) {
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$_SESSION['relations']['create'][$nid2] = $node->title;
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}
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}
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}
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else if (preg_match('!^(http|https)://!', $title)) {
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foreach (explode(' ', trim($title)) as $url) {
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$path = drupal_get_normal_path(substr($url, strlen($GLOBALS['base_url']) + 1));
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if (preg_match('!node/(\d+)!', $path, $matches)) {
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if (($node2 = node_load($nid2 = (int)$matches[1]))) {
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$_SESSION['relations']['create'][$nid2] = $node->title;
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}
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}
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}
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}
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else if (($node2 = relations_node_title_lookup($title))) {
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$_SESSION['relations']['create'][$node2->nid] = $title;
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}
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$form_state = array('submitted' => FALSE);
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$form = array('#post' => $_POST, '#programmed' => FALSE, '#tree' => FALSE, '#parents' => array());
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$form['relations']['relations_table'] = relations_node_form($form_state, $node1, TRUE);
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$form = form_builder('relations_node_form', $form, $form_state);
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die(drupal_to_js(array('status' => TRUE, 'data' => theme('status_messages') . drupal_render($form))));
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}
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function relations_node_session_delete($node2) {
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$node1 = node_load($_POST['relations_table']['nid']);
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if (isset($_SESSION['relations']['create'][$node2->nid])) {
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unset($_SESSION['relations']['create'][$node2->nid]);
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}
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else {
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$_SESSION['relations']['delete'][$node2->nid] = $node2->title;
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}
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$form_state = array('submitted' => FALSE);
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$form = array('#post' => $_POST, '#programmed' => FALSE, '#tree' => FALSE, '#parents' => array());
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$form['relations']['relations_table'] = relations_node_form($form_state, $node1, TRUE);
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$form = form_builder('relations_node_form', $form, $form_state);
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die(drupal_to_js(array('status' => TRUE, 'data' => theme('status_messages') . drupal_render($form))));
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}
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//////////////////////////////////////////////////////////////////////////////
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// Node theming
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function theme_relations_node_form($form) {
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drupal_add_css(drupal_get_path('module', 'relations') . '/relations.css', 'module', 'all', FALSE);
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drupal_add_js(drupal_get_path('module', 'relations') . '/relations.js');
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return theme('relations_node_table', $form, FALSE);
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}
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function theme_relations_node_table($form) {
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global $user;
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$node_types = node_get_types('names');
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$is_new_node = empty($form['nid']['#value']);
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$is_embedded = !empty($form['embedded']['#value']);
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$head = array(t('Title'), t('Type'), t('Author'), array('data' => t('Operations'), 'colspan' => 1));
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$rows = array();
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// Output relationships stored in the database
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if (!$is_new_node) {
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$options = array('user' => $user);
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// Support a ?type=TYPE query argument for filtering the relations tab by content type:
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if (!empty($_GET['type'])) {
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$options['type'] = explode(',', $_GET['type']);
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}
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$node = node_load($form['nid']['#value']);
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foreach (relations_api_lookup($node->nid, $options) as $related) {
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// Hide any previously-stored relationships that have been marked as
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// deleted in a session when editing a node:
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if (!empty($_SESSION['relations']['delete']) && isset($_SESSION['relations']['delete'][$related->nid])) {
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continue;
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}
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$can_delete = user_access('delete node relations') && (node_access('update', $node) || node_access('update', $related));
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$rows[] = array(
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l($related->title, 'node/' . $related->nid),
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isset($node_types[$related->type]) ? t($node_types[$related->type]) : $related->type,
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theme('username', $related),
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!$can_delete ? '' : theme_relations_delete_link($node->nid, $related->nid, $is_embedded),
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);
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}
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}
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// Output relationships stored in the session (when editing a node)
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if (!empty($_SESSION['relations']['create'])) {
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foreach ($_SESSION['relations']['create'] as $nid => $title) {
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if (($related = node_load($nid))) {
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$rows[] = array(
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l($related->title, 'node/' . $related->nid, array('attributes' => array('target' => '_blank'))),
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isset($node_types[$related->type]) ? $node_types[$related->type] : $related->type,
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theme('username', $related),
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theme_relations_delete_link(NULL, $related->nid, $is_embedded),
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);
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}
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}
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}
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| 288 |
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// Output the "Add relationship" textbox and button
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if (user_access('create node relations')) {
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$rows[] = array(
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drupal_render($form['title']),
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'',
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drupal_render($form['pick']),
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array('data' => drupal_render($form['create']), 'colspan' => 1),
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);
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}
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else {
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unset($form['title'], $form['create']);
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}
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return drupal_render($form) . theme('table', $head, $rows, array('class' => 'relations'));
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}
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| 305 |
function theme_relations_delete_link($nid1, $nid2, $is_embedded = TRUE) {
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| 306 |
$path = 'node/' . (!$is_embedded ? $nid1 : 'add') . '/relations/delete/' . $nid2;
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return l(t('delete relationship'), $path, !$is_embedded ? array() : array(
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| 308 |
'attributes' => array(
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| 309 |
'id' => 'edit-relations-delete-' . $nid2,
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'onclick' => 'return Drupal.relationsTriggerAHAH(this);',
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),
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));
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}
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| 314 |
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| 315 |
//////////////////////////////////////////////////////////////////////////////
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// Block theming
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| 317 |
|
| 318 |
function theme_relations_node_block($node, array $options = array()) {
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| 319 |
global $user;
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| 320 |
drupal_add_css(drupal_get_path('module', 'relations') .'/relations.css', 'module', 'all', FALSE);
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| 321 |
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| 322 |
return theme('relations_node_list', relations_api_lookup($node->nid, array_merge(array('user' => $user), $options)));
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| 323 |
}
|
| 324 |
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| 325 |
function theme_relations_node_list($nodes) {
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| 326 |
if (!empty($nodes)) {
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| 327 |
$output = '<div class="item-list">';
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| 328 |
$output .= '<ul>';
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| 329 |
foreach ($nodes as $node) {
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| 330 |
$output .= '<li>'. l($node->title, 'node/'. $node->nid) .'</li>';
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| 331 |
}
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| 332 |
$output .= '</ul>';
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| 333 |
$output .= '</div>';
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| 334 |
return $output;
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| 335 |
}
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| 336 |
}
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