38 lines
1.1 KiB
PHP
38 lines
1.1 KiB
PHP
<?php
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/**
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* Name: 404 Detector
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* Author: Shish <webmaster@shishnet.org>
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* Link: http://code.shishnet.org/shimmie2/
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* License: GPLv2
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* Visibility: admin
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* Description: Shows an error message when the user views a page with no content
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*/
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class Handle404 implements Extension {
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public function receive_event(Event $event) {
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if($event instanceof PageRequestEvent) {
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global $page;
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// hax.
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if($page->mode == "page" && (!isset($page->blocks) || $this->count_main($page->blocks) == 0)) {
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$h_pagename = html_escape(implode('/', $event->args));
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header("HTTP/1.0 404 Page Not Found");
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log_debug("handle_404", "Hit 404: $h_pagename");
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$page->set_title("404");
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$page->set_heading("404 - No Handler Found");
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$page->add_block(new NavBlock());
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$page->add_block(new Block("Explanation", "No handler could be found for the page '$h_pagename'"));
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}
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}
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}
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private function count_main($blocks) {
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$n = 0;
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foreach($blocks as $block) {
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if($block->section == "main") $n++; // more hax.
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}
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return $n;
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}
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}
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add_event_listener(new Handle404(), 99); // hax++
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?>
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