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<?php
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// $Id: bookmarks.module,v 1.37.2.3 2006/04/13 15:45:05 unconed Exp $
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/********************************************************************
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* Drupal Hooks
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********************************************************************/
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/**
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* Implementation of hook_block().
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*/
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function bookmarks_block($op = "list", $delta = 0) {
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if ($op == 'list') {
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$blocks[0]['info'] = t('User bookmarks');
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return $blocks;
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}
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elseif ($op == 'view') {
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switch($delta) {
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case 0:
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return theme('bookmarks_block');
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break;
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}
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return $block;
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}
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}
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/**
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* Implementation of hook_help().
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*/
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function bookmarks_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t("Enables users to bookmark any page on the site.");
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case 'user/bookmarks':
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return t('A bookmark is a link to an address (URL) on the internet.');
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break;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function bookmarks_menu($may_cache) {
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global $user;
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$items = array();
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$access = user_access('access bookmarks');
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// Main menu item
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$items[] = array('path' => "bookmarks/$user->uid", 'title' => t('my bookmarks'),
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'callback' => 'bookmarks_page', 'access' => $access);
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// Top level tabs
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$items[] = array('path' => "bookmarks/$user->uid/overview", 'title' => t('list'),
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'access' => $access, 'weight' => -10, 'type' => MENU_DEFAULT_LOCAL_TASK);
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$items[] = array('path' => "bookmarks/$user->uid/add", 'title' => t('add bookmark'),
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'callback' => 'bookmarks_page', 'access' => $access, 'weight' => 10,
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'type' => MENU_LOCAL_TASK);
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return $items;
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}
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/**
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* Implementation of hook_perm().
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*/
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function bookmarks_perm() {
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return array('access bookmarks');
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}
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/********************************************************************
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* Theme Hooks
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********************************************************************/
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/**
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@addtogroup themeable
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Bookmarks module specific theme functions.
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@{
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**/
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/**
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Returns an user's bookmarks block.
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@return array the paramter to pass to the block function.
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**/
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function theme_bookmarks_block() {
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global $user;
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// Do not let anonymous users have bookmarks, even if the admin decides this
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if ($user->uid != 0 && user_access('access bookmarks')) {
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$result = db_query('SELECT url, title FROM {bookmarks} WHERE uid = %d ORDER BY title', $user->uid);
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$bookmarks = array();
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while ($data = db_fetch_object($result)) {
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$bookmarks[] = '<div class="icon">'. theme('bookmarks_delete', $data->url) .'</div>'. _bookmarks_get_link($data->url, $data->title);
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}
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// Print bookmarks list as an item list
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$output = (count($bookmarks) ? theme('item_list', $bookmarks) : t('You have no bookmarks.'));
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$links['bookmarks_quick_link'] = array(
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'title' => t("quick link"),
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'href' => "bookmarks/$user->uid/add/quick",
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'attributes' => array('title' => t('Bookmark the current page.')), 'title='. urlencode(drupal_get_title())
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);
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$links['bookmarks_manage'] = array (
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'title' => t("manage"),
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'href' => "bookmarks/$user->uid"
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);
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$output .= '<div class="links">'. theme("links", $links) .'</div>';
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return array(
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'subject' => t('%username\'s bookmarks', array('%username' => $user->name)),
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'content' => $output
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);
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}
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// Not a logged in user or has no rights
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else {
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return FALSE;
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}
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}
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/**
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Returns a bookmarks delete icon.
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@param bookmark_url The URL of the page to remove
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@return string the delete icon to be emitted
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**/
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function theme_bookmarks_delete($url) {
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global $user;
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$query = 'url=' . urlencode($url). '&block=1';
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return l(theme('image', drupal_get_path("module","bookmarks") .'/trash.gif', t('delete')), "bookmarks/$user->uid/delete", array("title" => t("Delete this bookmark from your list.")), $query, NULL, FALSE, TRUE);
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}
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/** @} End of addtogroup themeable **/
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/********************************************************************
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* Module Functions
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********************************************************************/
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/**
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* The controller for managing bookmarks. Callback happens via menu().
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*
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* @return string Completely themed HTML page.
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*/
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function bookmarks_page() {
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global $user;
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$edit = $_POST;
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$op = $_POST['op'];
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switch (($op ? $op : arg(2))) {
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case 'add':
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$title = t('Create new bookmark');
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if (arg(3) == 'quick') {
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$edit = bookmarks_load_quicklink();
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}
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elseif (arg(3) == 'weblink') {
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$edit = bookmarks_load_weblink(arg(4));
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}
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$output = drupal_get_form('bookmarks_form', $edit);
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break;
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case 'edit':
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$title = t('Edit bookmark');
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$output = ($url = urldecode($_GET['url'])) ? drupal_get_form('bookmarks_form',bookmarks_load($url)) : drupal_set_message(t('Bookmark cannot be edited, because it is not in your list.'), 'error');
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break;
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case 'delete':
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$output = ($url = urldecode($_GET['url'])) ? bookmarks_delete($url) : drupal_set_message(t('Bookmark cannot be deleted, because no URL was specified.'), 'error');
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break;
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case t('Save'):
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$title = t('Bookmarks');
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if (bookmarks_validate($edit)) {
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bookmarks_save($edit);
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drupal_goto("bookmarks/$user->uid");
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}
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else {
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$output = drupal_get_form('bookmarks_form', $edit);
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}
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break;
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default:
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$output = bookmarks_overview();
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}
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drupal_set_title($title);
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print theme('page', $output);
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}
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function bookmarks_delete($url) {
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global $user;
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db_query("DELETE FROM {bookmarks} WHERE uid = %d AND url = '%s'", $user->uid, $url);
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drupal_set_message(t('Deleted bookmark.'));
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if ($_GET['block']) { //User has most likely clicked delete via their bookmark block. Show them their originating page.
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drupal_goto(bookmarks_get_canonical_path($url));
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}
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else {
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return bookmarks_overview();
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}
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}
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function bookmarks_form($edit = null) {
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$form['details'] = array(
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'#type' => 'fieldset',
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'#title' => t('Bookmark details'),
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);
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$form['details']['title'] = array(
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'#type' => 'textfield',
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'#title' => t('Title'),
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'#default_value' => $edit['title'],
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'#size' => 60,
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'#maxlength' => 128,
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'#description' => null,
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'#attributes' => null,
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'#required' => true,
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);
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$form['details']['url'] = array(
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'#type' => 'textfield',
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'#title' => t('URL'),
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'#default_value' => $edit['url'],
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'#size' => 60,
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'#maxlength' => 128,
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'#description' => t('Enter the address of the page you want to bookmark. This can be an internal or external reference.'),
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'#attributes' => null,
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'#required' => true,
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);
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$form['details']['old_url'] = array(
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'#type' => 'hidden',
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'#value' => urlencode($edit['url']),
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);
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$form['details']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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);
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return $form;
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}
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function bookmarks_load($url) {
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global $user;
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return db_fetch_array(db_query("SELECT * FROM {bookmarks} WHERE uid = %d AND url = '%s'", $user->uid, $url));
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}
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function bookmarks_load_quicklink() {
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$edit['url'] = bookmarks_get_canonical_path($url);
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$explicit_uri = drupal_get_normal_path($edit['url']);
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$uri_ary = explode('/', $explicit_uri);
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$type = $uri_ary[0];
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foreach ($uri_ary as $value) {
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if (is_numeric($value)) {
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$id = $value;
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break;
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}
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}
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/* Only display quicklink title for internal URLs */
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if (is_numeric($id) && !strstr($edit['url'], 'http://')) {
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switch ($type) {
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case 'node':
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$edit['title'] = db_result(db_query('SELECT title FROM {node} WHERE nid = %d', $id));
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break;
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case 'comment':
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$edit['title'] = db_result(db_query('SELECT subject FROM {comments} WHERE cid = %d', $id));
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break;
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case 'user':
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$edit['title'] = db_result(db_query('SELECT name FROM {users} WHERE uid = %d', $id));
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break;
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default:
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/* Leave the title blank. The user will be prompted to enter a title. */
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}
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}
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if (!$edit['title']) {
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$edit['title'] = urldecode($_GET['title']);
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}
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return $edit;
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}
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function bookmarks_load_weblink($nid) {
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return db_fetch_array(db_query('SELECT n.title, w.weblink url FROM {node} n, {weblink} w WHERE n.nid = w.nid AND n.nid = %d', $nid));
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}
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function bookmarks_overview() {
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global $user;
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$header = array(
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array('data' => t('title'), 'field' => 'title', 'sort' => 'asc'),
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array('data' => t('link'), 'field' => 'url'),
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array('data' => t('operations'), 'colspan' => 2)
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);
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$sql = 'SELECT url, title FROM {bookmarks} WHERE uid = '. db_escape_string($user->uid). tablesort_sql($header);
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$result = pager_query($sql, 50);
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while ($data = db_fetch_object($result)) {
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$title = (strlen($data->url) > 50) ? substr($data->url, 0, 47). '...' : $data->url;
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$rows[] = array($data->title, _bookmarks_get_link($data->url, $title), ' '.l(t('edit'), "bookmarks/$user->uid/edit", null, 'url=' . urlencode($data->url)).' '. l(t('delete'), "bookmarks/$user->uid/delete", null, 'url=' . urlencode($data->url)));
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}
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$pager = theme('pager', null, 50, 0);
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if (!empty($pager)) {
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$rows[] = array(array('data' => $pager, 'colspan' => 3));
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}
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$output .= (count($rows) == 0) ? t('You have no bookmarks.') : theme('table', $header, $rows);
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return $output;
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}
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function bookmarks_save($edit) {
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global $user;
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$edit['old_url'] = urldecode($edit['old_url']);
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if ($edit['old_url'] && db_result(db_query("SELECT COUNT(uid) FROM {bookmarks} WHERE uid = %d AND url = '%s'", $user->uid, $edit['old_url']))) {
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db_query("UPDATE {bookmarks} SET title = '%s', url = '%s' WHERE uid = %d AND url = '%s'", $edit['title'], $edit['url'], $user->uid, $edit['old_url']);
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drupal_set_message(t('The bookmark has been updated.'));
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}
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else {
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db_query("INSERT INTO {bookmarks} (uid, url, title) VALUES (%d, '%s', '%s')", $user->uid, $edit['url'], $edit['title']);
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drupal_set_message(t('The link has been added to your bookmarks.'));
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}
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}
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function bookmarks_validate($edit) {
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$errors = array();
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if (isset($edit['title']) && !$edit['title']) {
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$errors['title'] = t('You must supply a title.');
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}
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if (isset($edit['url']) && !$edit['url']) {
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$errors['url'] = t('You must supply an URL.');
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}
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foreach ($errors as $name => $message) {
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form_set_error($name, $message);
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}
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return count($errors) == 0;
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}
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/**
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* Return a relative URI that Drupal can recognize internally.
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*/
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function bookmarks_get_canonical_path($url) {
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global $base_url;
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$c_path = ltrim(str_replace($base_url, '', trim(referer_uri(), '/')), '/');
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$c_path = str_replace('index.php', '', $c_path);
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$c_path = str_replace('?q=', '', $c_path);
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return $c_path;
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}
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/**
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* Generate a link based on the URL being internal or external
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*/
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function _bookmarks_get_link($url, $title) {
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return (preg_match("!^[a-zA-Z]+://!", $url)) ? "<a href=\"$url\">$title</a>" : l($title, $url);
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}
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?>
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