จะแปลงมอดูลจากตัวอย่าง คือ On This Date ซึ่งดู "วันนี้ในอาทิตย์ก่อน" มาเป็น Recent Week คือดูหัวข้อใหม่ในสัปดาห์นี้ (เหมือนกับ tracker แต่ทำเป็นบล๊อกได้)
เริ่มเลย
$ cd /var/www/drupal/sites/all/modules
$ cp -xa onthisdate recentweek
$ cd recentweek
$ mv onthisdate.info recentweek.info
$ mv onthisdate.module recentweek.module
$ sed -i "s/onthisdate/recentweek/g" *
$ sed -i "s/on this date/recent week/g" *
$ sed -i "s/On this date/Recent week/g" *
$ sed -i "s/On This Date/Recent Week/g" *
$ vi recentweek.module
<?php
/**
* Display help and module information
* @param path which path of the site we're displaying help
* @param arg array that holds the current path as would be returned from arg() function
* @return help text for the path
*/
function recentweek_help($path, $arg) {
$output = '';
switch ($path) {
case "admin/help#recentweek":
$output = '<p>'. t("Displays links to nodes created recent week") .'</p>';
break;
}
return $output;
} // function recentweek_help
/**
* Valid permissions for this module
* @return array An array of valid permissions for the recentweek module
*/
function recentweek_perm() {
return array('access recentweek content', 'administer recentweek');
} // function recentweek_perm
/**
* Generate HTML for the recentweek block
* @param op the operation from the URL
* @param delta offset
* @returns block HTML
*/
function recentweek_block($op='list', $delta=0) {
// listing of blocks, such as on the admin/block page
if ($op == "list") {
$block[0]["info"] = t('Recent Week');
return $block;
} else if ($op == 'view') {
// our block content
// Get today's date
$today = getdate();
// calculate midnight one week ago
$start_time = mktime(0, 0, 0,
$today['mon'], ($today['mday'] - 7), $today['year']);
/* wd's mod
// we want items that occur only on the day in question, so
// calculate 1 day
$end_time = $start_time + 86400;
// 60 * 60 * 24 = 86400 seconds in a day
*/
#wd#// delete parameter $end_time, $query changed
}
//We'll use db_query() to get the records (i.e. the database rows) with our SQL query
$limitnum = variable_get("recentweek_maxdisp", 3);
/* wd's mod
$query = "SELECT nid, title, created FROM " .
"{node} WHERE created >= %d " .
"AND created <= %d";
$queryResult = db_query_range($query, $start_time, $end_time, $limitnum);
*/
#wd#// delete parameter $end_time, $query changed
$query = "SELECT nid, title, created FROM " .
"{node} WHERE created >= %d ORDER BY created DESC" ;
$queryResult = db_query_range($query, $start_time, 0, $limitnum);
// content variable that will be returned for display
$block_content = '<ul>';
while ($links = db_fetch_object($queryResult)) {
$block_content .= '<li>'.l($links->title, 'node/'. $links->nid) .'</li>';
}
// check to see if there was any content before setting up
// the block
if ($block_content == '<ul>') {
/* No content from a week ago. If we return nothing, the block
* doesn't show, which is what we want. */
return;
}
$block_content .= '</ul>';
// add a more link to our page that displays all the links
$block_content .=
"<div class=\"more-link\">".
l(
t("more"),
"recentweek",
array(
"title" => t("More events on this day.")
)
)."</div>";
// set up the block
$block['subject'] = 'Recent Week';
$block['content'] = $block_content;
return $block;
} // end recentweek_block
function recentweek_admin() {
$form['recentweek_maxdisp'] = array(
'#type' => 'textfield',
'#title' => t('Maximum number of links'),
'#default_value' => variable_get('recentweek_maxdisp', 3),
'#size' => 2,
'#maxlength' => 2,
'#description' => t("The maximum number of links to display in the block."),
'#required' => TRUE,
);
return system_settings_form($form);
}
function recentweek_menu() {
$items = array();
//this was created earlier in tutorial 7.
$items['admin/settings/recentweek'] = array(
'title' => 'Recent week module settings',
'description' => 'Description of your Recent week settings control',
'page callback' => 'drupal_get_form',
'page arguments' => array('recentweek_admin'),
'access arguments' => array('access administration pages'),
'type' => MENU_NORMAL_ITEM,
);
//this is added in tutorial 9.
$items['recentweek'] = array(
'title' => 'Recent week',
'page callback' => 'recentweek_all',
'access arguments' => array('access recentweek content'),
'type' => MENU_CALLBACK,
);
return $items;
}
function recentweek_admin_validate($form, &$form_state) {
$maxdisp = $form_state['values']['recentweek_maxdisp'];
if (!is_numeric($maxdisp)) {
form_set_error('recentweek_maxdisp', t('You must select a number for the maximum number of links.'));
}
else if ($maxdisp <= 0) {
form_set_error('recentweek_maxdisp', t('Maximum number of links must be positive.'));
}
}
function recentweek_all() {
// content variable that will be returned for display
$page_content = '';
// Get today's date
$today = getdate();
// calculate midnight one week ago
$start_time = mktime(0, 0, 0, $today['mon'], ($today['mday'] - 7), $today['year']);
/* wd's
// we want items that occur only on the day in question,
// so calculate 1 day
$end_time = $start_time + 86400;
// 60 * 60 * 24 = 86400 seconds in a day
#wd#// delete parameter $end_time, $query changed
$query = "SELECT nid, title, created FROM " .
"{node} WHERE created >= '%d' " .
" AND created <= '%d'";
$queryResult = db_query($query, $start_time, $end_time);
*/
$query = "SELECT nid, title, created FROM " .
"{node} WHERE created >= '%d' ORDER BY created DESC";
// get the links (no range limit here)
$queryResult = db_query($query, $start_time);
$page_content = '<ul>';
while ($links = db_fetch_object($queryResult)) {
$page_content .= '<li>'.l($links->title, 'node/'.$links->nid).'</li>';
}
// check to see if there was any content before
// setting up the block
if ($page_content == '<ul>') {
// no content from a week ago, let the user know
$page_content = "No events occurred on this site recent week in history.";
} else $page_content .= '</ul>';
return $page_content;
}
?>
เสร็จแล้ว
เพื่อความสุขสวัสดี อย่าลืมรัน update.php ด้วย ไม่งั้นอาจมีปัญหาเรื่อง HTTP request failed