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122 lines
4.3 KiB
PHP
122 lines
4.3 KiB
PHP
<?php
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register_module([
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"name" => "Sidebar",
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"version" => "0.3",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds a sidebar to the left hand side of every page. Add '\$settings->sidebar_show = true;' to your configuration, or append '&sidebar=yes' to the url to enable. Adding to the url sets a cookie to remember your setting.",
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"id" => "extra-sidebar",
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"code" => function() {
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global $settings;
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$show_sidebar = false;
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// Show the sidebar if it is enabled in the settings
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if(isset($settings->sidebar_show) && $settings->sidebar_show === true)
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$show_sidebar = true;
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// Also show and persist the sidebar if the special GET parameter
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// sidebar is seet
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if(!$show_sidebar && isset($_GET["sidebar"]))
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{
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$show_sidebar = true;
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// Set a cookie to persist the display of the sidebar
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setcookie("sidebar_show", "true", time() + (60 * 60 * 24 * 30));
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}
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// Show the sidebar if the cookie is set
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if(!$show_sidebar && isset($_COOKIE["sidebar_show"]))
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$show_sidebar = true;
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// Delete the cookie and hide the sidebar if the special GET paramter
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// nosidebar is set
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if(isset($_GET["nosidebar"]))
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{
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$show_sidebar = false;
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unset($_COOKIE["sidebar_show"]);
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setcookie("sidebar_show", null, time() - 3600);
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}
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page_renderer::register_part_preprocessor(function(&$parts) use ($show_sidebar) {
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global $settings, $pageindex, $env;
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// Don't render a sidebar if the user is logging in and a login is
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// required in order to view pages.
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if($settings->require_login_view && in_array($env->action, [ "login", "checklogin" ]))
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return false;
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if($show_sidebar && !isset($_GET["printable"]))
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{
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// Show the sidebar
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$exec_start = microtime(true);
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// Sort the pageindex
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$sorted_pageindex = get_object_vars($pageindex);
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ksort($sorted_pageindex, SORT_NATURAL);
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$sidebar_contents = "";
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$sidebar_contents .= render_sidebar($sorted_pageindex);
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$parts["{body}"] = "<aside class='sidebar'>
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$sidebar_contents
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<!-- Sidebar rendered in " . (microtime(true) - $exec_start) . "s -->
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</aside>
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<div class='main-container'>" . $parts["{body}"] . "</div>
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<!-------------->
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<style>
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body { display: flex; }
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.main-container { flex: 1; }
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</style>";
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}
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});
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add_help_section("50-sidebar", "Sidebar", "<p>$settings->sitename has an optional sidebar which displays a list of all the current pages (but not subpages) that it is currently hosting. It may or may not be enabled.</p>
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<p>If it isn't enabled, it can be enabled for your current browser only by appending <code>sidebar=yes</code> to the current page's query string.</p>");
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}
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]);
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/*
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* @summary Renders the sidebar for a given pageindex.
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*
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* @param $pageindex {array} - The pageindex to render the sidebar for
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* @param $root_pagename {string} - The pagename that should be considered the root of the rendering. You don't usually need to use this, it is used by the algorithm itself since it is recursive.
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*
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* @returns {string} A HTML rendering of the sidebar for the given pageindex
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*/
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function render_sidebar($pageindex, $root_pagename = "")
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{
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global $settings;
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$result = "<ul";
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// If this is the very root of the tree, add an extra class to it
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if($root_pagename == "") $result .= " class='sidebar-tree'";
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$result .=">";
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foreach ($pageindex as $pagename => $details)
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{
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// If we have a valid root pagename, and it isn't present at the
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// beginning of the current pagename, skip it
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if($root_pagename !== "" && strpos($pagename, $root_pagename) !== 0)
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continue;
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// The current page is the same as the root page, skip it
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if($pagename == $root_pagename)
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continue;
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// If the page already appears on the sidebar, skip it
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if(preg_match("/>$pagename<\a>/m", $result) === 1)
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continue;
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// If the part of the current pagename that comes after the root
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// pagename has a slash in it, skip it as it is a sub-sub page.
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if(strpos(substr($pagename, strlen($root_pagename)), "/") !== false)
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continue;
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$result .= "<li><a href='?action=$settings->defaultaction&page=$pagename'>$pagename</a>\n";
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$result .= render_sidebar($pageindex, $pagename);
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$result .= "</li>\n";
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}
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$result .= "</ul>\n";
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return $result == "<ul></ul>\n" ? "" : $result;
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}
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?>
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