<?php
// $Id: staffbio.module,v 1.2 2006/01/01 11:25:10 oneoftwo Exp $

/**
 * @file
 * Enables the creation of bios that can be added to the navigation system.
 */

/**
 * Implementation of hook_node_info().
 */
function staffbio_node_info() { 
  return array('staffbio' => array('name' => t('staffbio'), 'base' => 'staffbio')); 
}

/**
 * Implementation of hook_help().
 */
function staffbio_help($section) {
  switch ($section) {
	case 'admin/modules#description':
	  return t('Enables the creation of bios and includes a block for listing and a helper function for use in themes or PHP nodes to display a tiled view of bios complete with vcards.');
	case 'node/add#staffbio':
	  return t('If you have defined a role in the staffbio settings for bios to pull users from, you can associate biographical sketches with Drupal users who have been assigned that role.');
  }
}

/**
 * Implementation of hook_perm().
 */
function staffbio_perm() {
  return array('manage staffbios');
}

/**
 * Implementation of hook_access().
 */
function staffbio_access($op, $node) {
  global $user;

  if ($op == 'create') {
	return user_access('manage staffbios');
  }

  if ($op == 'update' || $op == 'delete') {
	if (user_access('manage staffbios') && ($user->uid == $node->uid)) {
	  return TRUE;
	}
  }
}

/**
 * Implementation of hook_view().
 */
function staffbio_view(&$node, $teaser = false, $page = false, $links = true){
	$node = node_prepare($node);
	$meta = db_fetch_object(db_query('SELECT u.name, u.picture FROM {node} n, {users} u, {staffbio} b WHERE n.nid=%d AND n.nid = b.nid AND b.uid = u.uid', $node->nid));
	$node->staffbio_name = $meta->name;
	$node->staffbio_picture = $meta->picture;
}

/**
 * Implementation of hook_load().
 */
function staffbio_load(&$node){
	$data = db_fetch_object(db_query("SELECT u.name, u.picture FROM {users} u, {staffbio} b WHERE b.nid = %d AND b.uid = u.uid", $node->nid));     
	return $data;
}

/**
 * Implementation of hook_block().
 */
function staffbio_block($op = 'list', $delta = 0, $edit = array()){
	switch($op){
		case 'list':
			$blocks[0]['info'] = t('Employee List');
            return $blocks;
			break;
		case 'view':
			switch($delta){
				case 0:
					$block['subject'] = t('Employee List');
					$result = db_query('SELECT n.nid, u.name FROM {node} n, {staffbio} b, {users} u WHERE n.type = "staffbio" AND n.status = 1 AND n.nid = b.nid AND u.uid = b.uid ORDER BY u.name');
					$block['content'] = '<ul>' . "\n";
					while($node = db_fetch_object($result)){
						if($node->nid == arg(1)){
							$block['content'] .= '<li>' . $node->name . '</li>' . "\n";
						}
						else{
							$block['content'] .= '<li><a href="about/' . $node->nid . '">' . $node->name . '</a></li>' . "\n";
						}
					}
					$block['content'] .= '</ul>' . "\n";
					break;
			}
			return $block;
			break;
		case 'configure':
			break;
		case 'save':
			break;
	}
}

/**
 * Get a list of staffbio nodes and return as an array.
 */
function staffbio_list(){
	$bios = array();
    $result = db_query('SELECT n.nid FROM {node} n, {staffbio} b, {users} u WHERE n.type = "staffbio" AND n.status = 1 AND n.nid = b.nid AND u.uid = b.uid ORDER BY u.name');
	while($node = db_fetch_object($result)){
		$node = node_load(array('nid' => $node->nid));
		array_push($bios,$node);	
	}
	return $bios;
}

/**
 * Helper function that displays bios in an unordered list that can be styled to appear as a tiled list of avavatars. Includes vcard microformat.
 */
function theme_staffbio_tiles(){
    global $base_url;
	$bios = staffbio_list();
    $output = '' . "\n";
    $output .= '<ul class="team clearfix">' . "\n";
	foreach($bios as $node){
        //$node = node_load(array('nid' => $node->nid));
        $node = node_prepare($node);
        $output .= '<li class="vcard">' . "\n";
        $output .= '<a href="about/' . $node->nid . '"><img class="photo" src="' . $node->picture . '" alt="' . $node->name . '" /></a><br />'. "\n";
        $output .= '<span style="display: none;" class="title">' . $node->title . '</span>' . "\n";
        $output .= '<span><a href="about/' . $node->nid . '" class="url fn">' . $node->name . '</a></span>' . "\n";
        $output .= '</li>' . "\n";
    }
    $output .= '</ul>' . "\n";
    return $output;
}

/**
 * Implementation of hook_menu().
 */
function staffbio_menu($may_cache) {
  $items = array();

  if ($may_cache) {
	$items[] = array('path' => 'node/add/staffbio', 'title' => t('staffbio'),
	  'access' => staffbio_access('create', NULL));
  }

  //Add staffbio stylesheet to header.
  //$xpi_module_path = drupal_get_path('module', 'staffbio');
  //$head = theme_stylesheet_import($xpi_module_path . '/staffbio.css') . "\n";
  $head = theme_stylesheet_import('modules/staffbio/staffbio.css') . "\n";
  drupal_set_html_head($head);

  if(arg(0) == 'about' && is_numeric(arg(1))){
    $node = node_load(array('nid' => arg(1)));
    if($node->nid && $node->type == 'staffbio'){
	  $items[] = array('path' => 'about/' . arg(1), 'title' => t('staffbio'),
	    'callback' => 'node_page', 'access' => user_access('access content', NULL));
    }
  }

  return $items;
}

function staffbio_update(&$node){
	db_query('UPDATE {staffbio} SET uid = %d WHERE nid=%d', $node->staffbio_uid, $node->nid);	
}


function staffbio_insert(&$node){
	db_query('INSERT INTO {staffbio} (nid, uid) VALUES(%d, %d)', $node->nid, $node->staffbio_uid);
}

function staffbio_delete(&$node){
	db_query('DELETE FROM {staffbio} WHERE nid=%d', $node->nid);
}

function staffbio_settings(){
	$roles = array();

	$result = db_query('SELECT rid, name FROM {role}');
	while($role = db_fetch_object($result)){
		$roles[$role->rid] = $role->name;
	}
	$form['staffbio_role'] = array(
	  '#type' => 'select',
	  '#title' => t('Role to select employees from'),
	  '#default_value' => variable_get('staffbio_role', 2),
	  '#options' => $roles,
	  '#description' => t('Select the role from which users for biographies should be selected.'),
	);
	return $form;
}

/**
 * Implementation of hook_form().
 */
function staffbio_form(&$node) {
	$uids = array();
	$result = db_query('SELECT u.uid, u.name FROM {users} u, {role} r, {users_roles} ur WHERE u.uid = ur.uid AND ur.rid = r.rid AND r.rid = %d ORDER BY u.name', variable_get('staffbio_role',2));
	while($f_user = db_fetch_object($result)){
	  $uids[$f_user->uid] = $f_user->name;
	}
  $form['staffbio_uid'] = array(
	  '#type' => 'select',
	  '#title' => t('Employee Name'),
	  '#default_value' => $node->uid,
	  '#options' => $uids,
	  '#description' => t('Select a user to associate this bio with.'),
	);
	$form['body_filter']['body'] = array(
	  '#type' => 'textarea',
	  '#title' => t('Bio'),
	  '#default_value' => $node->body,
	  '#cols' => 60,
	  '#rows' => 20,
	  '#attributes' => NULL,
	  '#required' => TRUE,
	);
	$form['body_filter']['format'] = filter_form($node->format);
	return $form;
}
?>