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<?php
// $Id$
/**
* Basic theme
*
* @package theme system
*/
class BaseTheme {
var $background = "#ffffff";
var $foreground = "#000000";
function system($field) {
$system["name"] = "Basic theme";
$system["author"] = "Drupal";
$system["description"] = "Basic theme. Lynx friendly";
return $system[$field];
}
function header($title = "") {
global $base_url;
$output = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"DTD/xhtml1-transitional.dtd\">\n";
$output .= "<html><head><title>". $title ? $title : variable_get(site_name, "drupal") ."</title>";
$output .= "<base href=\"$base_url/\" />";
$output .= theme_head($main);
$output .= "</head><body bgcolor=\"$this->background\" text=\"$this->foreground". theme_onload_attribute(). "\">";
$output .= "<table border=\"0\" cellspacing=\"4\" cellpadding=\"4\"><tr><td valign=\"top\" width=\"170\">";
print $output;
$this->box(t("Navigation"), @implode("<br />", link_page())); theme_blocks("all", $this);
print "</td><td valign=\"top\">";
}
function links($links, $delimiter = " | ") {
return implode($delimiter, $links);
}
function image($name) {
return "misc/$name";
}
function node($node, $main) {
if (module_exist("taxonomy")) {
$terms = taxonomy_link("taxonomy terms", $node);
}
$output = "<b>$node->title</b> by ". format_name($node) ."<br />";
if (count($terms)) {
$output .= "<small>(". $this->links($terms) .")</small><br />";
}
if ($main && $node->teaser) {
$output .= check_output($node->teaser);
}
else {
$output .= check_output($node->body);
}
if ($links = link_node($node, $main)) {
$output .= "<br />[ ". $this->links($links) ." ]";
}
$output .= "<hr />";
print $output;
}
function box($subject, $content, $region = "main") {
$output = "<p><b>$subject</b><br />$content</p>";
print $output;
}
function block($subject, $content, $region = "main") {
global $theme;
$theme->box($subject, $content, $region);
}
function footer() {
$output = "</td></tr></table>";
$output .= theme_footer();
$output .= "</body></html>";
print $output;
}
}
function theme_mark() {
/*
** Return a marker. Used to indicate new comments or required form
** fields.
*/
return "<span style=\"color: red;\">*</span>";
}
function theme_item_list($items = array(), $title = NULL) {
/*
** Return a formatted array of items.
*/
if (isset($title)) {
$output .= "<b>$title</b><br />";
}
if (isset($items)) {
foreach ($items as $item) {
$output .= "- $item<br />";
}
}
return $output;
}
function theme_error($message) {
/*
** Return an error message.
*/
return "<div style=\"color: red;\">$message</div>";
}
function theme_list($refresh = 0) {
static $list;
if ($refresh) {
unset($list);
}
if (!$list) {
$list = array();
$result = db_query("SELECT * FROM system where type = 'theme' AND status = '1' ORDER BY name");
while ($theme = db_fetch_object($result)) {
if (file_exists($theme->filename)) {
$list[$theme->name] = $theme;
}
}
}
return $list;
}
function theme_head($main = 0) {
$head = module_invoke_all("head", $main);
return implode($head, "\n");
}
/*
* Execute hook _footer() which is run at the end of the page right before
* the </body> tag
*/
function theme_footer($main = 0) {
$footer = module_invoke_all("footer", $main);
return implode($footer, "\n");
}
function theme_init() {
global $user;
$themes = theme_list();
$name = $user->theme ? $user->theme : variable_get("theme_default", 0);
if (is_object($themes[$name])) {
include_once($themes[$name]->filename);
$class = "Theme_$name";
$instance =& new $class();
$instance->path = dirname($themes[$name]->filename);
}
else {
$instance =& new BaseTheme;
}
return $instance;
}
/**
* Render blocks available for $user and $region calling $theme->block($region).
*
* @param string $region main|left|right
*/
function theme_blocks($region) {
global $user, $REQUEST_URI;
$result = db_query("SELECT * FROM blocks WHERE (status = '1' OR custom = '1') ". ($region != "all" ? "AND region = %d " : "") ."ORDER BY weight, module", $region == "left" ? 0 : 1);
while ($result && ($block = db_fetch_object($result))) {
if ((($block->status && (!$user->uid || !$block->custom)) || ($block->custom && $user->block[$block->module][$block->delta])) && (!$block->path || preg_match('/'. str_replace('/', '\/', $block->path) .'/', request_uri()))) {
$block_data = module_invoke($block->module, "block", "view", $block->delta);
if ($block_data["content"]) {
theme("block", $block_data["subject"], $block_data["content"], $region);
}
}
}
}
function theme() {
global $theme;
$args = func_get_args();
$function = array_shift($args);
if (method_exists($theme, $function)) {
return call_user_method_array($function, $theme, $args);
}
else {
return call_user_func_array($function, $args);
}
}
/*
* Call _onload hook in all modules to enable modules to insert javascript
* that will get run once the page has been loaded by the browser
*/
function theme_onload_attribute($theme_onloads = array()) {
if (!is_array($theme_onloads)) {
$theme_onloads = array($theme_onloads);
}
// Merge theme onloads (javascript rollovers, image preloads, etc.)
// with module onloads (htmlarea, etc.)
$onloads = array_merge(module_invoke_all("onload"), $theme_onloads);
if (count($onloads)) {
return " onload=\"" . implode("; ", $onloads) . "\"";
}
return;
}
?>
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