vsd_if_examples.install in Views Slideshow: Dynamic Display Block 6.2

Installation file for installing views slideshow ddblock example slideshows

File

vsd_if_examples/vsd_if_examples.install

<?php

/**
 * @file
 * Installation file for installing views slideshow ddblock example slideshows
 */

/**
 * Implementation of hook_install().
 */
function vsd_if_examples_install() {

  // batch API is compatible with drupal_execute()
  if (version_compare(VERSION, '6.11', 'ge')) {

    // get all content types
    $types = node_get_types('names');

    // Create ddblock_image_field_example_item content type if it does not already exist,
    // either because of a previous install/uninstall or because it was added some other way.
    if (!array_key_exists('ddblock_image_field_example_item', $types)) {
      global $user;

      // Create ddblock_image_field_example_item content type
      _vsd_if_examples_install_cck_node();

      // include field_file.inc for field_file_save_file()
      module_load_include('inc', 'filefield', 'field_file');

      // create node functions
      require_once dirname(__FILE__) . '/includes/vsd_if_examples.nodedata.inc';
      $files = array();

      // files array for image_field files
      $field_name = 'field_ddblock_if_image';

      // cck image_field field name
      $node_type = 'ddblock_image_field_example_item';

      // cck node type
      $slides = _vsd_if_examples_get_slides();

      // Loop over all the slides, from field/filepath pairs, create files objects and create nodes.
      foreach ($slides as $key => $slide) {

        // return information array of the field within the context of this content type.
        // $field = array(
        //   'field types' => array(),
        //   'widget types' => array(),
        //   'fields' => array(),
        //   'content types' => array(),
        // )
        $field = content_fields($field_name, $node_type);

        // Get the upload validators for a file field.
        // Get the additional upload validators for an image field.
        // Merge both arrays
        $validators = array_merge(filefield_widget_upload_validators($field), imagefield_widget_upload_validators($field));

        // Determine the widget's files directory where files are stored
        $files_path = _vsd_if_examples_import_widget_files_directory($field);

        // Save a file into a file node after running all the associated validators.
        if (!($file = field_file_save_file($slide['image_path'], $validators, $files_path, $user->uid))) {
          drupal_set_message(st('Image file could not be inserted.'));
          return FALSE;
        }
        $files[$field_name] = $file;

        // Create the node object.
        $node = _vsd_if_examples_import_create_node($node_type, $files, $slide);
        drupal_set_message(st('node => @node_title inserted', array(
          '@node_title' => var_export($node->title, TRUE),
        )));
      }

      // end foreach
      drupal_set_message(st("The nodes which are inserted are published. You can unpublish the nodes at  !link manually.", array(
        '!link' => l(st('Administer > Content management > Content'), 'admin/content/node'),
      )));
      drupal_set_message(st("You can delete the content type, view and example content by disabling and uninstalling this module."));
    }
    else {
      drupal_set_message(st("Content type: 'ddblock_image_field_example_item' allready exist."));
    }
  }
  else {
    drupal_set_message(st('Upgrade your drupal installation to at least Drupal 6.12 for installing the content type: ddblock_image_field_example_item automatically.'), 'error');
  }
}

/**
 * Implementation of hook_uninstall().
 */
function vsd_if_examples_uninstall() {

  // get nodes of content type: ddblock_image_field_example_item
  $result = db_query("SELECT n.nid, n.title FROM {node} n WHERE type='%s'", 'ddblock_image_field_example_item');

  // delete nodes of content type: ddblock_image_field_example_item
  while ($node = db_fetch_object($result)) {
    node_delete($node->nid);
  }

  //Delete content type: ddblock image field example
  node_type_delete('ddblock_image_field_example_item');
  drupal_set_message(st("Content type: ddblock image field example item, deleted successfully."));

  // delete the view from database when view is updated,
  // otherwise the code view will allready be deleted by disabling the example module
  $view = views_get_view('ddblock_if_example_slideshows');
  if (!empty($view)) {
    $view
      ->delete();
    views_object_cache_clear('view', $view->name);
    drupal_set_message(st('The view: ddblock_if_example_slideshows, deleted successfully.'));
  }
}
function _vsd_if_examples_install_cck_node() {

  // get the CCK node types to be created.
  require_once dirname(__FILE__) . '/includes/vsd_if_examples.ccknodedef.inc';
  $content = _vsd_if_examples_cck_export();

  // in vsd_if_examples.ccknodedef.inc
  // CCK content_copy.module may not be enabled, so make sure it is included
  require_once './' . drupal_get_path('module', 'content') . '/modules/content_copy/content_copy.module';
  $form_state['values']['type_name'] = '<create>';
  $form_state['values']['macro'] = '$content = ' . var_export($content, TRUE) . ';';

  // form provided by content_copy.module
  drupal_execute('content_copy_import_form', $form_state);
  content_clear_type_cache();
}

Functions

Name	Description
vsd_if_examples_install	Implementation of hook_install().
vsd_if_examples_uninstall	Implementation of hook_uninstall().
_vsd_if_examples_install_cck_node