views_exclude_previous.module in Views exclude previous 7

Main file of the views exclude previous module.

File

views_exclude_previous.module

<?php

/**
 * @file
 * Main file of the views exclude previous module.
 */

/**
 * Implements hook_help().
 */
function views_exclude_previous_help($section, $arg) {
  switch ($section) {
    case 'admin/modules#description':
      return t('Views Exclude Previous provides a views filter which exlcudes nodes that have already been loaded/displayed on the current page.');
  }
}

/**
 * Implements hook_views_api().
 */
function views_exclude_previous_views_api() {
  return array(
    'api' => '3.0',
    'path' => drupal_get_path('module', 'views_exclude_previous') . '/views',
  );
}

/**
 * Implements hook_node_load().
 */
function views_exclude_previous_node_load($nodes, $types) {
  foreach ($nodes as $nid => $node) {
    _views_exclude_previous('node_load', $nid);
  }
}

/**
 * Implements hook_node_view().
 */
function views_exclude_previous_node_view($node, $view_mode, $langcode) {
  _views_exclude_previous('node_view', $node->nid);
}

/**
 * This function stores/returns nids for the given category.
 *
 * @staticvar array $excludes
 *   Static storage of our excluded nids.
 * @param $cat
 *   A category given by the exclude plugin.
 * @param $nid
 *   The nid to be excluded. Optional so the function just returns the category.
 * @return array
 *   Always returns the given category.
 */
function _views_exclude_previous($cat, $nid = NULL) {
  $excludes =& drupal_static(__FUNCTION__);

  // Add nid to be excluded in the current category.
  if (!empty($nid)) {
    $excludes[$cat][$nid] = $nid;
  }
  return !empty($excludes[$cat]) ? $excludes[$cat] : array(
    0,
  );
}

Functions

Name	Description
views_exclude_previous_help	Implements hook_help().
views_exclude_previous_node_load	Implements hook_node_load().
views_exclude_previous_node_view	Implements hook_node_view().
views_exclude_previous_views_api	Implements hook_views_api().
_views_exclude_previous	This function stores/returns nids for the given category.