drupal7节点操作module-PHP源码

1. [PHP]代码

 &＃39;Example node&＃39;,
    &＃39;description&＃39; => &＃39;Example of Drupal node&＃39;,
    &＃39;page callback&＃39; => &＃39;examplenode_overview&＃39;,
    &＃39;access arguments&＃39; => array(&＃39;access content&＃39;),
  );


  return $items;
}

function examplenode_overview() {

//	global $user;
//	$newNode = new stdclass();
//	$newNode->type = &＃39;page&＃39;;
//	$newNode->uid = $user->uid;
//	$newNode->title = &＃39;New Node&＃39;;
//	node_save($newNode);

  return &＃39;Example node &＃39;;
}

/**
* Implements hook_node_info() to provide our job_post type.
*/
function examplenode_node_info() {
  return array(
    &＃39;job_post&＃39; => array(
      &＃39;name&＃39; => t(&＃39;Job Post&＃39;),
      &＃39;base&＃39; => &＃39;examplenode&＃39;,
      &＃39;description&＃39; => t(&＃39;Use this content type to post a job.&＃39;),
      &＃39;has_title&＃39; => TRUE,
      &＃39;title_label&＃39; => t(&＃39;Job Title&＃39;),
      &＃39;help&＃39; => t(&＃39;Enter the job title, job description, and the name of the company that posted the job&＃39;),
    ),
  );
}

/**
* Implements hook_menu_alter().
*/
function examplenode_menu_alter(&$callbacks) {
//  if (!user_access(&＃39;administer nodes&＃39;)) {
//    $callbacks[&＃39;node/add/job_post&＃39;][&＃39;access callback&＃39;] = FALSE;
//    // Must unset access arguments or Drupal will use user_access()
//    // as a default access callback.
//    unset($callbacks[&＃39;node/add/job_post&＃39;][&＃39;access arguments&＃39;]);
//  }
}

/**
* Implements hook_permission().
*/
function examplenode_permission() {
  return array(
    &＃39;create job post&＃39; => array(
      &＃39;title&＃39; => t(&＃39;Create a job post&＃39;),
      &＃39;description&＃39; => t(&＃39;Create a job post&＃39;),
    ),
    &＃39;edit own job post&＃39; => array(
      &＃39;title&＃39; => t(&＃39;Edit own job post&＃39;),
      &＃39;description&＃39; => t(&＃39;Edit your own job posting&＃39;),
    ),
    &＃39;edit any job post&＃39; => array(
      &＃39;title&＃39; => t(&＃39;Edit any job post&＃39;),
      &＃39;description&＃39; => t(&＃39;Edit any job posting&＃39;),
    ),
    &＃39;delete own job post&＃39; => array(
      &＃39;title&＃39; => t(&＃39;Delete own job post&＃39;),
      &＃39;description&＃39; => t(&＃39;Delete own job posting&＃39;),
    ),
    &＃39;delete any job post&＃39; => array(
      &＃39;title&＃39; => t(&＃39;Delete any job post&＃39;),
      &＃39;description&＃39; => t(&＃39;Delete any job posting&＃39;),
    ),
  );
}

/**
* Implements hook_node_access().
*/
function examplenode_access($op, $node, $account) {
  $is_author = $account->uid == $node->uid;
  switch ($op) {
    case &＃39;create&＃39;:
      // Allow if user&＃39;s role has &＃39;create joke&＃39; permission.
      if (user_access(&＃39;create job post&＃39;, $account)) {
        return NODE_ACCESS_ALLOW;
      }
    case &＃39;update&＃39;:
      // Allow if user&＃39;s role has &＃39;edit own joke&＃39; permission and user is
      // the author; or if the user&＃39;s role has &＃39;edit any joke&＃39; permission.
      if (user_access(&＃39;edit own job post&＃39;, $account) && $is_author || user_access(&＃39;edit any job post&＃39;, $account)) {
        return NODE_ACCESS_ALLOW;
      }
    case &＃39;delete&＃39;:
      // Allow if user&＃39;s role has &＃39;delete own joke&＃39; permission and user is
      // the author; or if the user&＃39;s role has &＃39;delete any joke&＃39; permission.
      if (user_access(&＃39;delete own job post&＃39;, $account) && $is_author || user_access(&＃39;delete any job post&＃39;, $account)) {
        return NODE_ACCESS_ALLOW;
      }
  }
}

/**
* Implement hook_form() with the standard default form.
*/
function examplenode_form($node, $form_state) {

  return node_content_form($node, $form_state);
}

/**
* Implements hook_validate().
*/
function examplenode_validate($node) {
  // Enforce a minimum character count of 2 on company names.
  if (isset($node->job_post_company) && strlen($node->job_post_company[&＃39;und&＃39;][0][&＃39;value&＃39;]) <2) {
    form_set_error(&＃39;job_post_company&＃39;, t(&＃39;The company name is too short. It must be atleast 2characters.&＃39;),$limit_validation_errors = NULL);
  }
}

/**
* Implements hook_insert().
*/
function examplenode_insert($node) {
  // log details of the job posting to watchdog
  watchdog(&＃39;job post&＃39;, &＃39;A new job post titled: &＃39;.$node->title.&＃39; for company: &＃39;.$node->job_post_company[&＃39;und&＃39;][0][&＃39;value&＃39;].&＃39; was added by UID: &＃39;.$node->uid, $variables = array(),WATCHDOG_NOTICE, $link = &＃39;node/&＃39;.$node->nid);
}

/**
* Implements hook_update().
*/
function examplenode_update($node) {
  // log details of the job posting to watchdog
  watchdog(&＃39;job post&＃39;, &＃39;A job post titled: &＃39;.$node->title.&＃39; for company: &＃39;.$node->job_post_company[&＃39;und&＃39;][0][&＃39;value&＃39;].&＃39; was updated by UID: &＃39;.$node->uid, $variables = array(),WATCHDOG_NOTICE, $link = &＃39;node/&＃39;.$node->nid);
}

/**
* Implements hook_delete().
*/
function examplenode_delete($node) {
  // log details of the job posting to watchdog
  watchdog(&＃39;job post&＃39;, &＃39;A job post titled: &＃39;.$node->title.&＃39; for company: &＃39;.$node->job_post_company[&＃39;und&＃39;][0][&＃39;value&＃39;].&＃39; was deleted by UID: &＃39;.$node->uid, $variables = array(),WATCHDOG_NOTICE, $link = &＃39;node/&＃39;.$node->nid);
}

/**
* Implements hook_load().
*/
function examplenode_load($nodes) {
  // Add a new element to the node at load time for storing the
  // job posting sponsor information
  foreach ($nodes as $node) {
    $node->spOnsor= "ACME Career Services, Your Source for Drupal Jobs";
  }
  return $node;
}

/**
* Implement hook_view().
*/
function examplenode_view($node, $view_mode) {
  // Add and theme the sponsor so it appears when the job post is displayed
  if ($view_mode == &＃39;full&＃39;) {
    $node->content[&＃39;sponsor&＃39;] = array(
      &＃39;#markup&＃39; => theme(&＃39;sponsor&＃39;, array(&＃39;sponsor&＃39; => $node->sponsor, &＃39;sponsor_id&＃39; => $node->nid)),
      &＃39;#weight&＃39; => 100,
    );
  }
  return $node;
}

/**
* Implements hook_theme().
*/
function examplenode_theme() {
  // define the variables and template associated with the sponsor field
  // The sponsor will contain the name of the sponsor and the sponsor_id
  // will be used to create a unique CSS ID
  return array(
    &＃39;sponsor&＃39; => array(
      &＃39;variables&＃39; => array(&＃39;sponsor&＃39; => NULL, &＃39;sponsor_id&＃39; => NULL),
      &＃39;template&＃39; => &＃39;sponsor&＃39;,
    ),
  );
}


function examplenode_node_access_records($node) {
	// role id = 5, allow access job post
	// must include strict limit
  if ($node->type == &＃39;job_post&＃39;) {
    $grants = array();
    $grants[] = array(
      &＃39;realm&＃39; => &＃39;example&＃39;,
      &＃39;gid&＃39; => 5,
      &＃39;grant_view&＃39; => 1,
      &＃39;grant_update&＃39; => 0,
      &＃39;grant_delete&＃39; => 0,
      &＃39;priority&＃39; => 0,
    );

    return $grants;
  }
}

function examplenode_node_grants($account, $op) {
	if($op == &＃39;view&＃39;) {
		$roles = $account->roles;
		foreach($roles AS $key => $value ){
			$rid[] = $key;
		}
	  $grants[&＃39;example&＃39;] = $rid;
	  return $grants;
	}
}