comparison sites/all/modules/ctools/plugins/contexts/node_edit_form.inc @ 0:ff03f76ab3fe

initial version

+<?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);
+}