Basic module template

gistfile1.php

<?php

/*
 * Implements hook_permission
 */
function jonasdeherdt_permission() {
	return array(
		'administer jonasdeherdt module' => array(
			'title' => t('Administer jonasdeherdt module'),
			'description' => t('Perform admin tasks for this module'),
		),
	);
}

/*
 * Implements hook_node_view
 */
function jonasdeherdt_node_view($node, $view_mode, $langcode) {
	/*$node->content['simple_field'] = array(
		'#type' => 'markup',
		'#markup' => '<p>' . t('This is only text') . '</p>',
		'#weight' => -10,
	);
	//krumo($node);*/
}


/*
 * Implements hook_menu
 */
function jonasdeherdt_menu() {
	$items = array();
	
	$items['node/%node/custom'] = array(
	'title' => 'custom tab',
	'description' => 'custom content',
	'page callback' => 'jonasdeherdt_page',
	'page arguments' => array(1),
	'access callback' => 'node_access',
	'access arguments' => array('view', 1),
	'type' => MENU_LOCAL_TASK,
	);
	
	return $items;
}

/*
 * Implements hook_theme
 */
function jonasdeherdt_theme() {	
	return array(
		'jonasdeherdt_item' => array(
			'variables' => array('item' => NULL),
 		),
	);
}

function theme_jonasdeherdt_item($variables) {
	$output = '<div class="jsd"><h1>' 
	. $variables['title'] 
	. '</h1><p>' 
	. check_plain($variables['data']) 
	. '</p></div>';
	
	return $output;
}

function jonasdeherdt_page($node) {
	$info = _jonasdeherdt_process_info($node);
	
	$content = array();
	foreach($info as $item){
		$content[] = array(
			'#type' => 'markup',
			'#markup' => theme('jonasdeherdt_item', $item),
		);
	}
	return $content;
}


function _jonasdeherdt_process_info($node) {
	$info[] = array(
		'title' => t('title of this content'),
		'data' => 'lipsum dolor sit amet',
		);
	return $info;
}
























/*
	@End
*/