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   1  <?php
   2  // $Id: node_edit_form.inc,v 1.10.2.7 2010/07/20 20:49:21 merlinofchaos Exp $
   3  
   4  /**
   5   * @file
   6   *
   7   * Plugin to provide a node_edit_form context
   8   */
   9  
  10  /**
  11   * Plugins are described by creating a $plugin array which will be used
  12   * by the system that includes this file.
  13   */
  14  $plugin = array(
  15    'title' => t("Node edit form"),
  16    'description' => t('A node edit form.'),
  17    'context' => 'ctools_context_create_node_edit_form',
  18    'settings form' => 'ctools_context_node_edit_form_settings_form',
  19    'settings form validate' => 'ctools_context_node_edit_form_settings_form_validate',
  20    'settings form validate' => 'ctools_context_node_edit_form_settings_form_validate',
  21    'settings form submit' => 'ctools_context_node_edit_form_settings_form_submit',
  22    'defaults' => array('nid' => ''),
  23    'keyword' => 'node_edit',
  24    'context name' => 'node_edit_form',
  25    'convert list' => 'ctools_context_node_edit_convert_list',
  26    'convert' => 'ctools_context_node_edit_convert',
  27    'placeholder form' => array(
  28      '#type' => 'textfield',
  29      '#description' => t('Enter the node ID of a node for this argument:'),
  30    ),
  31  );
  32  
  33  /**
  34   * It's important to remember that $conf is optional here, because contexts
  35   * are not always created from the UI.
  36   */
  37  function ctools_context_create_node_edit_form($empty, $node = NULL, $conf = FALSE) {
  38    static $created;
  39    $context = new ctools_context(array('form', 'node_edit', 'node_form', 'node', 'node_edit_form'));
  40    $context->plugin = 'node_edit_form';
  41  
  42    if ($empty || (isset($created) && $created)) {
  43      return $context;
  44    }
  45    $created = TRUE;
  46  
  47    if ($conf) {
  48      // In this case, $node is actually our $conf array.
  49      $nid = is_array($node) && isset($node['nid']) ? $node['nid'] : (is_object($node) ? $node->nid : 0);
  50  
  51      if (module_exists('translation')) {
  52        if ($translation = module_invoke('translation', 'node_nid', $nid, $GLOBALS['language']->language)) {
  53          $nid = $translation;
  54          $reload = TRUE;
  55        }
  56      }
  57  
  58      if (is_array($node) || !empty($reload)) {
  59        $node = node_load($nid);
  60      }
  61    }
  62  
  63    if (!empty($node)) {
  64      ctools_include('form');
  65      $form_id = $node->type . '_node_form';
  66  
  67      $form_state = array('want form' => TRUE, 'args' => array($node));
  68  
  69      $file = drupal_get_path('module', 'node') . '/node.pages.inc';
  70      include_once './' . $file;
  71      // This piece of information can let other modules know that more files
  72      // need to be included if this form is loaded from cache:
  73      $form_state['form_load_files'] = array($file);
  74  
  75      $form = ctools_build_form($form_id, $form_state);
  76  
  77      // Fill in the 'node' portion of the context
  78      $context->data     = $node;
  79      $context->title    = $node->title;
  80      $context->argument = isset($node->nid) ? $node->nid : $node->type;
  81  
  82      $context->form       = $form;
  83      $context->form_state = &$form_state;
  84      $context->form_id    = $form_id;
  85      $context->form_title = $node->title;
  86      $context->node_type  = $node->type;
  87      $context->restrictions['type'] = array($node->type);
  88      return $context;
  89    }
  90  }
  91  
  92  function ctools_context_node_edit_form_settings_form($conf) {
  93    if (empty($conf)) {
  94      $conf = array(
  95        'nid' => '',
  96      );
  97    }
  98  
  99    $form['node'] = array(
 100      '#prefix' => '<div class="no-float">',
 101      '#suffix' => '</div>',
 102      '#title' => t('Enter the title or NID of a node'),
 103      '#type' => 'textfield',
 104      '#maxlength' => 512,
 105      '#autocomplete_path' => 'ctools/autocomplete/node',
 106      '#weight' => -10,
 107    );
 108  
 109    if (!empty($conf['nid'])) {
 110      $info = db_fetch_object(db_query("SELECT * FROM {node} n WHERE n.nid = %d", $conf['nid']));
 111      if ($info) {
 112        $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));
 113        $form['node']['#description'] = t('Currently set to !link', array('!link' => $link));
 114      }
 115    }
 116  
 117    $form['nid'] = array(
 118      '#type' => 'value',
 119      '#value' => $conf['nid'],
 120    );
 121  
 122    $form['set_identifier'] = array(
 123      '#type' => 'checkbox',
 124      '#default_value' => FALSE,
 125      '#title' => t('Reset identifier to node title'),
 126      '#description' => t('If checked, the identifier will be reset to the node title of the selected node.'),
 127    );
 128  
 129    return $form;
 130  }
 131  
 132  /**
 133   * Validate a node.
 134   */
 135  function ctools_context_node_edit_form_settings_form_validate($form, &$form_values, &$form_state) {
 136    // Validate the autocomplete
 137    if (empty($form_values['nid']) && empty($form_values['node'])) {
 138      form_error($form['node'], t('You must select a node.'));
 139      return;
 140    }
 141  
 142    if (empty($form_values['node'])) {
 143      return;
 144    }
 145  
 146    $nid          = $form_values['node'];
 147    $preg_matches = array();
 148    $match        = preg_match('/\[nid: (\d+)\]/', $nid, $preg_matches);
 149    if (!$match) {
 150      $match = preg_match('/^nid: (\d+)/', $nid, $preg_matches);
 151    }
 152  
 153    if ($match) {
 154      $nid = $preg_matches[1];
 155    }
 156    if (is_numeric($nid)) {
 157      $node = db_fetch_object(db_query(db_rewrite_sql("SELECT n.nid FROM {node} n WHERE n.nid = %d"), $nid));
 158    }
 159    else {
 160      $node = db_fetch_object(db_query(db_rewrite_sql("SELECT n.nid FROM {node} n WHERE LOWER(n.title) = LOWER('%s')"), $nid));
 161    }
 162  
 163    if (!$node) {
 164      form_error($form['node'], t('Invalid node selected.'));
 165    }
 166    else {
 167      form_set_value($form['nid'], $node->nid, $form_state);
 168      // $form_values['nid'] = $node->nid;
 169    }
 170  }
 171  
 172  function ctools_context_node_edit_form_settings_form_submit($form, &$form_values, &$form_state) {
 173    if ($form_values['set_identifier']) {
 174      $node = node_load($form_values['nid']);
 175      $form_state['values']['context']['identifier'] = $node->title;
 176    }
 177  
 178    // Don't let this be stored.
 179    unset($form_values['set_identifier']);
 180  }
 181  
 182  /**
 183   * Provide a list of ways that this context can be converted to a string.
 184   */
 185  function ctools_context_node_edit_convert_list() {
 186    // Pass through to the "node" context convert list.
 187    $plugin = ctools_get_context('node');
 188    return ctools_context_node_convert_list();
 189  }
 190  
 191  /**
 192   * Convert a context into a string.
 193   */
 194  function ctools_context_node_edit_convert($context, $type) {
 195    // Pass through to the "node" context convert list.
 196    $plugin = ctools_get_context('node');
 197    return ctools_context_node_convert($context, $type);
 198  }