Club Drupal

<?php

/**

 * @file

 * Plugin to provide a node_edit_form context.

 */

/**

 * Plugins are described by creating a $plugin array which will be used

 * by the system that includes this file.

 */

$plugin = array(

  'title' => t("Node edit form"),

  'description' => t('A node edit form.'),

  'context' => 'ctools_context_create_node_edit_form',

  'edit form' => 'ctools_context_node_edit_form_settings_form',

  'defaults' => array('nid' => ''),

  'keyword' => 'node_edit',

  'context name' => 'node_edit_form',

  'convert list' => 'ctools_context_node_edit_convert_list',

  'convert' => 'ctools_context_node_edit_convert',

  'placeholder form' => array(

    '#type' => 'textfield',

    '#description' => t('Enter the node ID of a node for this argument:'),

  ),

);

/**

 * It's important to remember that $conf is optional here, because contexts

 * are not always created from the UI.

 */

function ctools_context_create_node_edit_form($empty, $node = NULL, $conf = FALSE) {

  static $creating = FALSE;

  $context = new ctools_context(array('form', 'node_edit', 'node_form', 'node_edit_form', 'node', 'entity:node'));

  $context->plugin = 'node_edit_form';

  if ($empty || ($creating)) {

    return $context;

  }

  $creating = TRUE;

  if ($conf) {

    // In this case, $node is actually our $conf array.

    $nid = is_array($node) && isset($node['nid']) ? $node['nid'] : (is_object($node) ? $node->nid : 0);

    if (module_exists('translation')) {

      if ($translation = module_invoke('translation', 'node_nid', $nid, $GLOBALS['language']->language)) {

        $nid = $translation;

        $reload = TRUE;

      }

    }

    if (is_array($node) || !empty($reload)) {

      $node = node_load($nid);

    }

  }

  if (!empty($node)) {

    $form_id = $node->type . '_node_form';

    $form_state = array('want form' => TRUE, 'build_info' => array('args' => array($node)));

    $file = drupal_get_path('module', 'node') . '/node.pages.inc';

    require_once DRUPAL_ROOT . '/' . $file;

    // This piece of information can let other modules know that more files

    // need to be included if this form is loaded from cache:

    $form_state['build_info']['files'] = array($file);

    $form = drupal_build_form($form_id, $form_state);

    // Fill in the 'node' portion of the context.

    $context->data     = $node;

    $context->title    = isset($node->title) ? $node->title : '';

    $context->argument = isset($node->nid) ? $node->nid : $node->type;

    $context->form       = $form;

    $context->form_state = &$form_state;

    $context->form_id    = $form_id;

    $context->form_title = isset($node->title) ? $node->title : '';

    $context->node_type  = $node->type;

    $context->restrictions['type'] = array($node->type);

    $context->restrictions['form'] = array('form');

    $creating = FALSE;

    return $context;

  }

  $creating = FALSE;

}

function ctools_context_node_edit_form_settings_form($form, &$form_state) {

  $conf = &$form_state['conf'];

  $form['node'] = array(

    '#title' => t('Enter the title or NID of a node'),

    '#type' => 'textfield',

    '#maxlength' => 512,

    '#autocomplete_path' => 'ctools/autocomplete/node',

    '#weight' => -10,

  );

  if (!empty($conf['nid'])) {

    $info = db_query('SELECT * FROM {node} WHERE nid = :nid', array(':nid' => $conf['nid']))->fetchObject();

    if ($info) {

      $link = l(t("'%title' [node id %nid]", array('%title' => $info->title, '%nid' => $info->nid)), "node/$info->nid", array('attributes' => array('target' => '_blank', 'title' => t('Open in new window')), 'html' => TRUE));

      $form['node']['#description'] = t('Currently set to !link', array('!link' => $link));

    }

  }

  $form['nid'] = array(

    '#type' => 'value',

    '#value' => $conf['nid'],

  );

  $form['set_identifier'] = array(

    '#type' => 'checkbox',

    '#default_value' => FALSE,

    '#title' => t('Reset identifier to node title'),

    '#description' => t('If checked, the identifier will be reset to the node title of the selected node.'),

  );

  return $form;

}

/**

 * Validate a node.

 */

function ctools_context_node_edit_form_settings_form_validate($form, &$form_state) {

  // Validate the autocomplete.

  if (empty($form_state['values']['nid']) && empty($form_state['values']['node'])) {

    form_error($form['node'], t('You must select a node.'));

    return;

  }

  if (empty($form_state['values']['node'])) {

    return;

  }

  $nid          = $form_state['values']['node'];

  $preg_matches = array();

  $match        = preg_match('/\[id: (\d+)\]/', $nid, $preg_matches);

  if (!$match) {

    $match = preg_match('/^id: (\d+)/', $nid, $preg_matches);

  }

  if ($match) {

    $nid = $preg_matches[1];

  }

  if (is_numeric($nid)) {

    $node = db_query('SELECT nid, status FROM {node} WHERE nid = :nid', array(':nid' => $nid))->fetchObject();

  }

  else {

    $node = db_query('SELECT nid, status FROM {node} WHERE LOWER(title) = LOWER(:title)', array(':title' => $nid))->fetchObject();

  }

  // Do not allow unpublished nodes to be selected by unprivileged users.

  if (!$node || (empty($node->status) && !(user_access('administer nodes')))) {

    form_error($form['node'], t('Invalid node selected.'));

  }

  else {

    form_set_value($form['nid'], $node->nid, $form_state);

  }

}

function ctools_context_node_edit_form_settings_form_submit($form, &$form_state) {

  if ($form_state['values']['set_identifier']) {

    $node = node_load($form_state['values']['nid']);

    $form_state['values']['identifier'] = $node->title;

  }

  // This will either be the value set previously or a value set by the

  // validator.

  $form_state['conf']['nid'] = $form_state['values']['nid'];

}

/**

 * Provide a list of ways that this context can be converted to a string.

 */

function ctools_context_node_edit_convert_list() {

  // Pass through to the "node" context convert list.

  $plugin = ctools_get_context('node');

  return ctools_context_node_convert_list();

}

/**

 * Convert a context into a string.

 */

function ctools_context_node_edit_convert($context, $type) {

  // Pass through to the "node" context convert list.

  $plugin = ctools_get_context('node');

  return ctools_context_node_convert($context, $type);

}