'. t('A simple module which allows you to create menus from image files. Supports title (displayed when hovering over a menu item), alt text, weights and optional mouseover behaviour.') .'';
$output = ''. t('This module is loosely based on Drupals own menu module') .'
';
$output .= ''. t('You\'re not restricted to only displaying an imagemenu within the supplied block, you can also enable a filter in admin/filters and display several different imagemenus within a page/ node without any conflicts for the mouseovers (note that if you display two or more of the same imagemenu on one page then the mouseovers will NOT work as the image name tags will conflict).') .'
';
return $output;
case 'admin/build/menu/imagemenu':
return ''. t('A simple module which allows you to create menus from image files. Supports title (displayed when hovering over a menu item), alt text, weights and optional mouseover behaviour.') .'
';
case 'admin/build/menu/imagemenu/add':
return ''. t('Enter the name for your new menu. Remember to enable the newly created block in the blocks administration page.', array('@blocks' => url('admin/build/block'))) .'
';
case 'admin/build/menu/imagemenu-customize/%':
return ''. t('To rearrange menu items, grab a drag-and-drop handle under the Menu item column and drag the items (or group of items) to a new location in the list. (Grab a handle by clicking and holding the mouse while hovering over a handle icon.) Remember that your changes will not be saved until you click the Save configuration button at the bottom of the page.') .'
';
case 'admin/build/menu/imagemenu-customize/%/add':
return '
'. t('Enter the title and image path for your new menu item. Leave Path field empty to add menu delimiter.') .'
';
}
}
/**
* Implementation of hook_filter_tips
*/
function imagemenu_filter_tips($delta, $format, $long = false) {
if ($long) {
return t('You can embed imagemenus into your nodes using the following syntax:
[imagemenu:menu_id]
Ensure that you don\'t have two of the same menus on the screen at any one
time else the rollover links will not work correctly (as the images will have
the same name tag).');
}
else {
return t('You can embed imagemenus into your nodes using the following syntax:
[imagemenu:menu_id]');
}
}
/**
* Implementation of hook_filter
*/
function imagemenu_filter($op, $delta = 0, $format = -1, $text = '') {
switch ($op) {
case 'list':
return (array(0 => t('Imagemenu filter')));
case 'name':
return t('Imagemenu filter');
case 'no cache':
return TRUE;
case 'description':
return t('Allows a user to insert an imagemenu into a node.');
case 'process':
return _imagemenu_process_text($text);
default:
return $text;
}
}
function _imagemenu_process_text($text) {
$pattern = "/\[imagemenu:(\d+)\]/i";
if (preg_match_all($pattern, $text, $matches)) {
foreach ($matches[1] as $no => $match) {
$text = str_replace($matches[0][$no], imagemenu_display($matches[1][$no]), $text);
}
}
return $text;
}
/**
* Implementation of hook_menu (2008/02/25 updated for Drupal 6.x compatibility)
*/
function imagemenu_menu() {
$items = array();
$admin_access = array('administer imagemenu');
$items['admin/build/menu/imagemenu'] = array(
'title' => 'Imagemenus',
'page callback' => 'imagemenu_overview_page',
'access callback' => 'user_access',
'access arguments' => $admin_access,
'file' => 'imagemenu.admin.inc',
'weight' => -1,
);
$items['admin/build/menu/imagemenu/list'] = array(
'title' => 'List menus',
'type' => MENU_DEFAULT_LOCAL_TASK,
'access arguments' => $admin_access,
'weight' => -10,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu/add'] = array(
'title' => 'Add menu',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_edit_menu', 'add'),
'access arguments' => $admin_access,
'type' => MENU_LOCAL_TASK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu/settings'] = array(
'title' => 'Settings',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_configure'),
'access arguments' => $admin_access,
'type' => MENU_LOCAL_TASK,
'weight' => 5,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu-customize/%imagemenu'] = array(
'title' => 'Customize menu',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_overview_form', 4),
'title callback' => 'imagemenu_overview_title',
'title arguments' => array(4),
'access arguments' => $admin_access,
'type' => MENU_CALLBACK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu-customize/%imagemenu/list'] = array(
'title' => 'List items',
'access arguments' => $admin_access,
'weight' => -10,
'type' => MENU_DEFAULT_LOCAL_TASK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu-customize/%imagemenu/add'] = array(
'title' => 'Add item',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_edit_item', 'add', NULL, 4),
'access arguments' => $admin_access,
'type' => MENU_LOCAL_TASK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu-customize/%imagemenu/edit'] = array(
'title' => 'Edit menu',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_edit_menu', 'edit', 4),
'access arguments' => $admin_access,
'type' => MENU_LOCAL_TASK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu-customize/%imagemenu/delete'] = array(
'title' => 'Delete menu',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_delete_menu_confirm', 4),
'access arguments' => $admin_access,
'type' => MENU_CALLBACK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu/item/%imagemenu_link/edit'] = array(
'title' => 'Edit menu item',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_edit_item', 'edit', 5, NULL),
'access arguments' => $admin_access,
'type' => MENU_CALLBACK,
'file' => 'imagemenu.admin.inc',
);
$items['admin/build/menu/imagemenu/item/%imagemenu_link/delete'] = array(
'title' => 'Delete menu item',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagemenu_item_delete_form', 5),
'access arguments' => $admin_access,
'type' => MENU_CALLBACK,
'file' => 'imagemenu.admin.inc',
);
return $items;
}
/**
* Implementation of hook_perm
*/
function imagemenu_perm() {
return array('administer imagemenu');
}
/**
* Implementation of hook_block().
*/
function imagemenu_block($op = 'list', $delta = 0) {
$menus = imagemenu_base_rows();
if ($op == 'list') {
$blocks = array();
if (!empty($menus)) {
foreach ($menus as $mid => $title) {
$blocks[$mid]['info'] = check_plain($title);
$blocks[$mid]['cache'] = BLOCK_NO_CACHE;
}
}
return $blocks;
}
else if ($op == 'view') {
$data['subject'] = check_plain($menus[$delta]);
$data['content'] = imagemenu_display($delta);
return $data;
}
}
/**
* Implemenation of hook_theme().
*/
function imagemenu_theme() {
return array(
'imagemenu_overview_form' => array(
'file' => 'imagemenu.admin.inc',
'arguments' => array('form' => NULL),
),
'imagemenu_item' => array(
'arguments' => array('item', 'has_children', 'prefix' => '', 'layout' => 'vertical', 'menu' => ''),
),
'imagemenu_tree' => array(
'arguments' => array('tree' => NULL),
),
);
}
/**
* Title callback for the menu overview page and links.
*/
function imagemenu_overview_title($menu) {
return $menu['title'];
}
/**
* Load the data for a single menu.
*/
function imagemenu_load($mid) {
if (!is_numeric($mid) || (!($menu = imagemenu_display($mid, TRUE)) && !imagemenu_exists($mid))) {
drupal_not_found();
return;
}
return db_fetch_array(db_query("SELECT mid, title, description FROM {imagemenu} WHERE mid = %d", $mid));
}
/**
* Load the data for a single menu item.
*/
function imagemenu_link_load($mid) {
if (!is_numeric($mid) || (!imagemenu_exists($mid))) {
drupal_not_found();
return;
}
return db_fetch_array(db_query("SELECT * FROM {imagemenu} WHERE mid = %d", $mid));
}
function imagemenu_base_rows() {
$query = db_query('SELECT mid, title FROM {imagemenu} WHERE pid = %d ORDER BY weight, title', 0);
while ($menu = db_fetch_object($query)) {
$output[$menu->mid] = $menu->title;
}
return $output;
}
function imagemenu_display($mid, $full = FALSE) {
if (!$mid || !is_numeric($mid)) {
return FALSE;
}
$menus = imagemenu_tree_data($mid, FALSE);
$output = imagemenu_build_output($menus, variable_get('imagemenu_layout', 'vertical'));
return $output;
}
/**
* Returns TRUE if menu with given menu id exists.
*/
function imagemenu_exists($mid) {
if (!$mid) return FALSE;
$query = db_fetch_object(db_query('SELECT mid FROM {imagemenu} WHERE mid = %d', $mid));
if ($query) {
return TRUE;
}
else {
return FALSE;
}
}
function imagemenu_fetch_rows($pid = 0, $full = FALSE, $depth = 0, $output = array()) {
$entries = imagemenu_return_row($pid, $depth);
$depth++;
foreach ($entries as $mid => $entry) {
if ($entry['enabled'] || $full) {
$output[$mid] = $entry;
if (imagemenu_check_children($mid)) {
unset($visible_tree);
$output[$mid]['has_children'] = TRUE;
$visible = imagemenu_show_visible_tree($mid);
if (array_key_exists($mid, $visible)) $visible_tree = TRUE;
foreach ($visible as $no => $tmp) {
if (in_array($mid, $tmp)) $visible_tree = TRUE;
}
if ($entry['type'] || $full || $visible_tree) {
$output = imagemenu_fetch_rows($mid, $full, $depth, $output);
}
}
}
}
return $output;
}
function imagemenu_return_row($pid, $depth = 0) {
$output = array();
$query = db_query('SELECT * FROM {imagemenu} WHERE pid = %d ORDER BY weight, title', $pid);
while ($item = db_fetch_object($query)) {
$output[$item->mid] = array('mid' => $item->mid, 'pid' => $item->pid, 'title' => $item->title, 'alt' => $item->alt, 'mouseover' => $item->mouseover, 'description' => $item->description, 'path' => $item->path, 'imagepath' => $item->imagepath, 'enabled' => $item->enabled, 'type' => $item->type, 'weight' => $item->weight, 'depth' => $depth);
}
return $output;
}
function imagemenu_check_children($parent) {
$query = db_query('SELECT mid FROM {imagemenu} WHERE pid = %d ORDER BY weight, title', $parent);
while ($item = db_fetch_object($query)) {
return $item->mid;
}
return FALSE;
}
function imagemenu_show_visible_tree() {
$path = $_GET['q'];
$output = array();
$mids = array();
if ($path == 'node' || !$path) $path = '';
$query = db_query("SELECT mid FROM {imagemenu} WHERE path = '%s' ORDER BY mid", $path);
while ($tmp = db_fetch_object($query)) {
$mids[] = $tmp->mid;
}
foreach ($mids as $mid) {
$array = array();
$tmp = $mid;
while ($item = _imagemenu_return_parent($tmp)) {
$tmp = $item;
$array[] = $item;
}
$output[$mid] = $array;
}
return $output;
}
function _imagemenu_return_parent($mid) {
$query = db_fetch_object(db_query("SELECT pid FROM {imagemenu} WHERE mid = %d", $mid));
return $query->pid;
}
function imagemenu_parents($mid = 0) {
if (arg(6) == "edit") {
$mid = imagemenu_find_parent($mid);
}
elseif (!$mid) {
// Okay we're here because we need to show ALL the menus
// so here goes;
$menus = imagemenu_base_rows();
foreach ($menus as $mid => $title) {
$output[$mid] = imagemenu_parents($mid);
}
return $output;
}
$output[$mid] = '<' . imagemenu_fetch_title($mid) . '>';
$menus = imagemenu_fetch_rows($mid, TRUE);
// Prefix was updated to look like original menu parents prefix
foreach ($menus as $menu) {
$temp = imagemenu_fetch_mid($menu['mid']);
$prefix = '--';
if ($menu['depth']) {
$prefix .= '--';
for ($i = 1; $i < $menu['depth']; $i++) {
$prefix .= '--';
}
}
$prefix .= ' ';
$output[$menu['mid']] = $prefix.$temp['title'];
}
return $output;
}
/**
* Load menu by given menu id.
*/
function imagemenu_fetch_mid($mid) {
$query = db_query('SELECT * FROM {imagemenu} WHERE mid = %d', $mid);
$output = db_fetch_array($query);
return $output ? $output : FALSE;
}
/**
* Returns menu title by given menu id.
*/
function imagemenu_fetch_title($mid) {
$query = db_query('SELECT title FROM {imagemenu} WHERE mid = %d', $mid);
$item = db_fetch_object($query);
return $item->title;
}
function imagemenu_find_parent($pid) {
$query = db_query('SELECT mid FROM {imagemenu} WHERE pid = %d', 0);
while ($menus = db_fetch_array($query)) {
$menu = imagemenu_fetch_rows($menus['mid']);
foreach ($menu as $item) {
if ($item['mid'] == $pid || !$pid) return $menus['mid'];
}
}
return FALSE;
}
function imagemenu_build_output($menus, $layout) {
drupal_add_css(drupal_get_path('module', 'imagemenu') .'/imagemenu.css');
foreach ($menus as $menu) {
$has_children = empty($menu['link']['has_children']) ? 0 : $menu['link']['has_children'];
if ($menu['below']) {
$output .= theme('imagemenu_item', $menu['link'], $has_children, $mid, $layout, imagemenu_build_output($menu['below'], $layout));
}
else {
$output .= theme('imagemenu_item', $menu['link'], $has_children, $mid, $layout, '');
}
}
return $output ? theme('imagemenu_tree', $output) : '';
}
/**
* Generate the HTML output for a imagemenu item
*/
function theme_imagemenu_item($item, $has_children, $prefix = '', $layout = 'vertical', $menu = '') {
$class = ($menu ? 'expanded' : ($has_children ? 'collapsed' : 'leaf'));
switch ($layout) {
case 'vertical':
$listyle = '';
break;
case 'horizontal':
$listyle = ' style="float:left;"';
break;
}
$script = $item['mouseover'] ? ' onMouseOver="document.imagemenu_'.$prefix.'_'.$item['mid'].'.src=\''.base_path().$item['mouseover'].'\'" onMouseOut="document.imagemenu_'.$prefix.'_'.$item['mid'].'.src=\''.base_path().$item['imagepath'].'\'"' : '';
if (!empty($item['path'])) {
$output = '!['.$item['alt'].']('.base_path().$item['imagepath'].' "'.$item['title'].'")
'. $menu .'';
}
else {
$output = ''. $menu .'';
}
return $output;
}
/**
* Generate the HTML output for a imagemenu tree
*/
function theme_imagemenu_tree($tree) {
$output = '';
return $output;
}
/**
* Build the data representing a menu tree.
*/
function imagemenu_tree_data($mid, $full = TRUE) {
$depth = 0;
list(, $tree) = _imagemenu_tree_data($mid, $depth, $full);
return $tree;
}
/**
* Recursive helper function to build the data representing a menu tree.
*/
function _imagemenu_tree_data($mid, $depth, $full = TRUE, $previous_element = '', $parsed = 0) {
$remnant = NULL;
$tree = array();
$menus = imagemenu_fetch_rows($mid, $full);
array_splice($menus, 0, $parsed);
foreach ($menus as $tmid => $item) {
// The current item is the first in a new submenu.
if ($item['depth'] > $depth) {
// _menu_tree returns an item and the menu tree structure.
list($item, $below) = _imagemenu_tree_data($mid, $item['depth'], $full, $item, $parsed);
if ($previous_element) {
$tree[$previous_element['mid']] = array(
'link' => $previous_element,
'below' => $below,
);
}
else {
$tree = $below;
}
// We need to fall back one level.
if (!isset($item) || $item['depth'] < $depth) {
return array($item, $tree);
}
// This will be the link to be output in the next iteration.
$previous_element = $item;
}
// We are at the same depth, so we use the previous element.
elseif ($item['depth'] == $depth) {
if ($previous_element) {
// Only the first time.
$tree[$previous_element['mid']] = array(
'link' => $previous_element,
'below' => FALSE,
);
}
// This will be the link to be output in the next iteration.
$previous_element = $item;
}
// The submenu ended with the previous item, so pass back the current item.
else {
$remnant = $item;
break;
}
$parsed++;
}
if ($previous_element) {
// We have one more link dangling.
$tree[$previous_element['mid']] = array(
'link' => $previous_element,
'below' => FALSE,
);
}
return array($remnant, $tree);
}