changelog pre release

.hgignore

@@ -1,3 +1,4 @@
-wwwroot/*
-nbproject/*
-data/*
+mode:regex
+^_dist/
+^sites/[^/]+/data/
+^sites/[^/]+/wwwroot/

.hgtags

@@ -0,0 +1,2 @@
+42a17645b5b21d7fe395767de7fa3e26ee999014 release-r54
+0f89ae041c2ee60cc1ea308d047fce816b19c490 release-r64

TODO.txt

@@ -0,0 +1,8 @@
+
+- Merge "written in" and "tags"
+
+- RSS for recent changes
+
+- RSS for all projects
+
+- Switchable CSS (reddit theme, 4chan theme, HN theme)

_dist/README.txt

@@ -0,0 +1,46 @@
+A static site generator for a portfolio website.
+
+The scripts used to generate the code.ivysaur.me website.
+
+Written in PHP, Bash
+
+=FEATURES=
+
+- Generates static website, minimising server load and decreasing attack surface compared to dynamic server-side PHP
+- Automatic thumbnailing and sprite sheet generation
+- Download file attachments per-project
+- One-click rebuild, one-click deploy
+- Parallel generation
+
+=CHANGELOG=
+
+2015-04-05: r72
+- Feature: Support redirecting old project names
+- Feature: Add file hash in download URLs to prevent filename collisions
+- Fix an issue generating spritesheets even if no project images are present
+- Don't include `ctime` when estimating project update time
+
+2015-04-05: r64
+- Feature: Support sorting projects
+
+2015-04-04: r54
+- Feature: Support multiple code sites
+- Fix an issue with parallel builds on some versions of windows
+- Fix an issue corrupting URL links with multiple parameters
+- Fix a cosmetic issue with page overflow
+- Fix a cosmetic issue with whitespace on code elements
+
+2014-07-02: r39
+- Feature: Tags
+- Feature: Generate pages in parallel
+- Enhancement: Support raw HTML sections in page content
+- Fix an issue with URLs containing spaces
+- Fix a cosmetic issue with image thumbnail backgrounds
+- Fix a cosmetic issue with download sort order
+- Fix a cosmetic issue with page layout
+
+2013-09-28: r13
+- Initial public source code release
+
+2013-09-21: r3
+- Initial deployment

deploy.cmd

@@ -1,3 +0,0 @@
-@echo off
-
-start C:\bin\cygwin\bin\mintty.exe /bin/bash -l -c "rsync --delete -avz -e ""ssh -i /cygdrive/c/www/ms1_deploy_key -p 2222"" --progress /cygdrive/c/www/m6/code/wwwroot www-data@ms1.ivysaur.me:~/code.ivysaur.me/"

deploy.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -eu
+
+LOCALDIR=/cygdrive/c/www/m6/code/sites/code.ivysaur.me/wwwroot
+
+chmod -R 644 "$LOCALDIR"
+chmod -R a+X "$LOCALDIR"
+
+rsync --delete -avz -e "ssh -i /cygdrive/c/www/ms1_deploy_key -p 2222" --progress \
+	"$LOCALDIR" \
+	www-data@ms1.ivysaur.me:~/code.ivysaur.me/
+
+# n.b. set chmod -R a+rX remote side?
+
+read -p "Press any key to continue..."

mkdist.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -eu
+
+tar cJvf "codesite-$(date +%s).tar.xz" \
+	rebuild.php rebuild.sh sites/codesite.example.com static_global \
+	--owner=0 --group=0
+
+read -p "Press any key to continue..."

rebuild.cmd

@@ -1,20 +0,0 @@
-@echo off
-
-set PHP=C:\bin\php54\php.exe
-
-echo Cleaning target directory...
-echo.
-rmdir /s /q wwwroot
-mkdir wwwroot
-mkdir wwwroot\srv
-copy static\* wwwroot
-
-echo Building pages...
-echo.
-start /b %PHP% rebuild.php 4 0
-start /b %PHP% rebuild.php 4 1
-start /b %PHP% rebuild.php 4 2
-start /b %PHP% rebuild.php 4 3
-start /b %PHP% rebuild.php 4 4
-
-pause

rebuild.php

@@ -3,16 +3,6 @@
 // Code-hosting website
 // ````````````````````
 
-// CONFIGURATION
-// `````````````
-
-define('BASEDIR', __DIR__.'\\');
-define('SITE_TITLE', 'code.ivysaur.me');
-define('PAGE_THUMB_W', 60);
-define('PAGE_THUMB_H', 60);
-define('INDEX_THUMB_W', 90);
-define('INDEX_THUMB_H', 32); // recommend a multiple of the jpg iDCT block size
-
 /**
  * Create a thumbnail of an image. It overscales, centers, and crops to fit the
  *   target dimensions.
@@ -97,23 +87,6 @@ function hesc($sz) {
 
 function text2html($sz) {
 
-	$sectionFmt = function($sz) {
-		$base = hesc($sz);	
-		
-		$base = preg_replace('~=+(.+)=+~', '<strong>\\1</strong>', $base);
-		$base = preg_replace('~(https?://[^ \\r\\n\\t]+)~i', '<a href="\\1">\\1</a>', $base);
-		
-		$btparts = explode('`', $base);
-		if (count($btparts) > 1 && (count($btparts) % 2)) {
-			for ($i = 1, $e = count($btparts); $i < $e; $i += 2) {
-				$btparts[$i] = '<span class="code">'.$btparts[$i].'</span>';
-			}
-			$base = implode('', $btparts);
-		}
-		
-		return nl2br($base);
-	};
-	
 	$identity = function($sz) {
 		return $sz;
 	};
@@ -138,6 +111,22 @@ function text2html($sz) {
 		return implode($join, $ret);
 	};
 	
+	$sectionFmt = function($sz) use($oddEven, $identity) {
+		$base = hesc($sz);	
+		
+		$base = preg_replace('~^=+(.+)=+~m', '<strong>\\1</strong>', $base);
+		$base = preg_replace('~(https?://[^ \\r\\n\\t]+)~i', '<a href="\\1">\\1</a>', $base);
+		
+		$btparts = explode('`', $base);
+		if (count($btparts) > 1 && (count($btparts) % 2)) {
+			for ($i = 1, $e = count($btparts); $i < $e; $i += 2) {
+				$btparts[$i] = '<span class="code">'.$btparts[$i].'</span>';
+			}
+		}
+		
+		return $oddEven($btparts, $identity, 'nl2br');
+	};
+	
 	$htmlSections = $splitInside('<html>', '</html>', $sz);
 	return $oddEven($htmlSections, $identity, $sectionFmt);
 }
@@ -162,9 +151,11 @@ class CProject {
 	public $projname;
 	public $shortdesc = '(no description)';
 	public $subtag = '';
+	public $lastupdate = 0;
 	private $longdesc = '';
 	private $images = array();
 	private $downloads = array();
+	private $downloads_hashes = array();
 	public $tags = array();
 	
 	public $homeimage = null;
@@ -180,6 +171,8 @@ class CProject {
 			if ($file[0] == '.') continue;
 			
 			if ($file == 'README.txt') {
+				$this->lastupdate = max($this->lastupdate, filectime($this->dir.$file)); // don't count README updates
+				
 				$this->longdesc = file_get_contents($this->dir.'README.txt');
 				$matches = array();
 				if (preg_match('~Written in ([^\\r\\n]+)~', $this->longdesc, $matches)) {
@@ -195,7 +188,13 @@ class CProject {
 				$this->shortdesc[0] = strtolower($this->shortdesc[0]); // cosmetic lowercase
 				continue;
 			}
-			
+						
+			$this->lastupdate = max(
+				$this->lastupdate,
+				// filectime($this->dir.$file),
+				filemtime($this->dir.$file)				
+			);
+						
 			if (is_image($file)) {
 				$this->images[] = $file;
 			} else {
@@ -205,13 +204,19 @@ class CProject {
 		
 		natcasesort($this->downloads);
 		$this->downloads = array_reverse($this->downloads);
+		
+		for($i = 0, $e = count($this->downloads); $i !== $e; ++$i) {
+			$this->downloads_hashes[] = (
+				sha1_file($this->dir.$this->downloads[$i])
+			);
+		}
 	}
 	
 	public function genHomeImage() {		
 		if (count($this->images)) {
 			
 			$this->homeimage = mkthumbnail(
-				$this->dir.$this->images[0], //BASEDIR.'wwwroot/srv/'.$this->projname.'_0.'.str_ext($this->images[0]),
+				$this->dir.$this->images[0],
 				null, // raw handle
 				INDEX_THUMB_W, INDEX_THUMB_H
 			);
@@ -233,7 +238,21 @@ class CProject {
 		// Copy downloads to wwwroot
 		
 		foreach($this->downloads as $idx => $filename) {
-			copy($this->dir.$filename, BASEDIR.'wwwroot/srv/'.$filename);
+			$cmkdir = @mkdir( BASEDIR.'wwwroot/srv/'.$this->downloads_hashes[$idx] );
+			
+			if (! $cmkdir) {
+				fputs(
+					STDOUT,
+					"WARNING: Couldn't create directory ".$this->downloads_hashes[$idx].
+					" for file '${filename}'".
+					" in project '".$this->projname."'!\n"
+				);
+			}
+			
+			copy(
+				$this->dir.$filename, 
+				BASEDIR.'wwwroot/srv/'.$this->downloads_hashes[$idx].'/'.$filename
+			);
 		}
 		
 		// Generate index page
@@ -264,18 +283,18 @@ class CProject {
 		
 		<p><?=text2html($this->longdesc)?></p>
 
-		<?=file_get_contents(__DIR__.'/footer.htm')?> 
+		<?=file_get_contents(BASEDIR.'/footer.htm')?> 
 		
 <?php if (count($this->downloads)) { ?> 
 		
 		<strong>DOWNLOAD</strong>
 		
 		<ul>
-	<?php foreach($this->downloads as $filename) { ?> 
+	<?php foreach($this->downloads as $idx => $filename) { ?> 
 			<li>
-				<a href="srv/<?=hesc(rawurlencode($filename))?>"><?=hesc($filename)?></a>
+				<a href="srv/<?=hesc($this->downloads_hashes[$idx])?>/<?=hesc(rawurlencode($filename))?>"><?=hesc($filename)?></a>
 				<small>
-					<?=hesc(fbytes(filesize(BASEDIR.'wwwroot/srv/'.$filename)))?>
+					<?=hesc(fbytes(filesize(BASEDIR.'wwwroot/srv/'.$this->downloads_hashes[$idx].'/'.$filename)))?>
 				</small>
 			</li>
 	<?php } ?> 
@@ -289,6 +308,9 @@ class CProject {
 		<a href="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>.<?=str_ext($origname)?>"><img src="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>_thumb.jpg" class="thumbimage"></a>
 	<?php } ?> 
 	</div>
+	
+	<div style="clear:both;"></div>
+	
 <?php } ?> 
 	
 </div>
@@ -315,7 +337,7 @@ function template($title, $content) {
 	<body>
 		<div id="container">
 			<div id="content">
-<?=file_get_contents(__DIR__.'/header.htm')?> 
+<?=file_get_contents(BASEDIR.'/header.htm')?> 
 <?=$content?> 
 			</div>
 		</div>
@@ -368,6 +390,8 @@ function buildcommon() {
 	$handles = array();
 	$handle_lookup = array();
 	
+	$alphasort = [];
+	
 	foreach($projects as $dirname => $projectname) {
 
 		$pr = new CProject($dirname, $projectname);
@@ -381,12 +405,26 @@ function buildcommon() {
 			$handle_lookup[$projectname] = count($handles);
 			$handles[] = $pr->homeimage;
 		}
+		
+		$alphasort[] = [$pr->projname, count($plist)-1];
+	}
+	
+	usort($alphasort, function($a, $b) {
+		return strcasecmp($a[0], $b[0]);
+	});
+	
+	$alphaidx = [];
+	
+	foreach($alphasort as $a) {
+		$alphaidx[ $a[1] ] = count($alphaidx);
 	}
 
 	// Build homepage spritesheet
 	
-	mkspritesheet($handles, BASEDIR.'wwwroot/logos.jpg', INDEX_THUMB_W, INDEX_THUMB_H);
-	array_map('imagedestroy', $handles); // free
+	if (count($handles)) {
+		mkspritesheet($handles, BASEDIR.'wwwroot/logos.jpg', INDEX_THUMB_W, INDEX_THUMB_H);
+		array_map('imagedestroy', $handles); // free
+	}
 	
 	// Build index page
 
@@ -399,9 +437,13 @@ function buildcommon() {
 		<!-- }} --> 
 	<?php } ?> 
 		
-		<table class="projtable">
-	<?php foreach ($plist as $pr) { ?> 
-			<tr class="<?=$pr->getClassAttr()?>">
+		<table id="projtable-main" class="projtable">
+	<?php foreach ($plist as $i => $pr) { ?> 
+			<tr class="<?=$pr->getClassAttr()?>"
+				data-sort-mt="-<?=$pr->lastupdate?>"
+				data-sort-ct="<?=$i?>"
+				data-sort-al="<?=$alphaidx[$i]?>"
+			>
 				<td>
 					<a href="<?=hesc(urlencode($pr->projname))?>.html"><?=(is_null($handle_lookup[$pr->projname]) ? '<div class="no-image"></div>' : '<div class="homeimage homeimage-sprite" style="background-position:0 -'.($handle_lookup[$pr->projname]*INDEX_THUMB_H).'px"></div>')?></a>
 				</td>
@@ -433,12 +475,49 @@ function buildcommon() {
 	// Done
 }
 
+function buildredirects($redirects) {
+	foreach($redirects as $oldname => $newname) {
+		ob_start();
+?>
+<meta http-equiv="refresh" content="0; url=<?=hesc($newname)?>.html">
+<a href="<?=hesc($newname)?>.html">Moved &raquo;</a>
+<?php
+		$page = ob_get_clean();
+		file_put_contents(BASEDIR.'wwwroot/'.$oldname.'.html', $page);
+	}
+}
+
 function main($args) {
-	$total = $args[0];
-	$pos   = $args[1];
+	$basedir = './';
+	$total   = $args[0];
+	$pos     = $args[1];
+	
+	// Parse configuration
+	
+	$config = @parse_ini_file(
+		$basedir . 'config.ini',
+		true,
+		INI_SCANNER_RAW
+	);
+	
+	if ($config === false) {
+		die("[FATAL] Couldn't load '${basedir}/config.ini'!\n");
+	}
+	
+	define('BASEDIR',       $basedir);
+	define('SITE_TITLE',    trim($config['codesite']['title']));
+	define('PAGE_THUMB_W',  intval($config['codesite']['page_thumb_w']));
+	define('PAGE_THUMB_H',  intval($config['codesite']['page_thumb_h']));
+	define('INDEX_THUMB_W', intval($config['codesite']['index_thumb_w']));
+	define('INDEX_THUMB_H', intval($config['codesite']['index_thumb_h']));
+	
+	// Perform build tasks
 	
 	if ($pos == 0) {
 		buildcommon();
+		if (array_key_exists('redirect', $config)) {
+			buildredirects( $config['redirect'] );
+		}
 	} else {
 		buildprojects($pos, array_decimate(listprojects(), $total, $pos));
 	}

rebuild.sh

@@ -0,0 +1,61 @@
+#!/bin/bash
+
+set -eu
+PHP=/cygdrive/c/bin/php/php.exe
+THREADS=4
+
+buildsite() {
+
+	local basedir="$(realpath .)"
+	local rebuild="${basedir}/rebuild.php"	
+	
+	if [[ "$(uname -o)" == "Cygwin" ]] ; then
+		rebuild="$(cygpath -w "$rebuild")"
+	fi
+
+	echo "Site: ${1}"
+
+	pushd "$1" >/dev/null
+
+	echo "Cleaning target directory..."
+
+	if [[ -d wwwroot ]] ; then
+		rm -r wwwroot
+	fi
+	
+	mkdir -p wwwroot/srv
+	
+	if [[ ! -d static ]] ; then
+		mkdir static
+	fi
+	cp "${basedir}/static_global/"* wwwroot || true
+	cp static/* wwwroot || true
+	
+	for htm in footer header homepage_blurb ; do
+		if [[ ! -f "${htm}.htm" ]] ; then
+			touch "${htm}.htm"
+		fi
+	done
+
+	echo "Building pages..."
+
+	for i in $(seq 0 "$THREADS") ; do
+		$PHP "$rebuild" "$THREADS" "$i" &
+	done
+	wait
+
+	echo "Site: ${1} finished."
+	echo ""
+		
+	popd >/dev/null
+}
+
+main() {
+	for site in sites/* ; do
+		buildsite "$site"
+	done
+}
+
+main "$@"
+
+read -p "Press any key to continue..."

sites/code.ivysaur.me/config.ini

@@ -0,0 +1,12 @@
+[codesite]
+title=code.ivysaur.me
+page_thumb_w=60
+page_thumb_h=60
+index_thumb_w=90
+index_thumb_h=32
+
+; n.b. Recommend a multiple of the JPEG iDCT block size for index_thumb_h
+
+[redirect]
+; old project name = new project name
+code.ivysaur.me=codesite

sites/code.ivysaur.me/homepage_blurb.htm

@@ -16,5 +16,11 @@
 </p>
 
 <p>
+	<select id="sortorder" style="float:right;">
+		<option value="a">Youngest project first</option>
+		<option value="b">Recent updates first</option>
+		<option value="c">Alphabetical</option>
+	</select>
+	
 	<strong>PROJECTS</strong>
 </p>

sites/code.ivysaur.me/static/style.css

@@ -26,6 +26,7 @@ h1,h2,h3 {
 .code {
 	background: #F8F8F8;
 	font-family:Consolas,monospace;
+	white-space:pre;
 }
 
 /* */
@@ -33,6 +34,7 @@ h1,h2,h3 {
 html, body {
 	/* structural */
 	height:100%;
+	min-height:100%;
 	margin:0;
 	border:0;
 	padding:0;
@@ -112,22 +114,18 @@ html, body {
 }
 
 .projinfo {
-	position:relative;
 }
-.projbody {
-	position:absolute;
-	left:0;
+.projbody {	
 }
 .projbody_halfw {
-	right: 74px;
+	float:left;
+	width: 678px; /* 740px full - 60px rhs column - 2px border */
 }
 .projbody_fullw {
-	right:0;
+	
 }
 .projimg {
-	position:absolute;
-	right:0;
-	
+	float:right;
 	width:62px;	/* 60px + 2px border */
 }
 

sites/codesite.example.com/config.ini

@@ -0,0 +1,13 @@
+[codesite]
+title=codesite.example.com
+page_thumb_w=60
+page_thumb_h=60
+index_thumb_w=90
+index_thumb_h=32
+
+; n.b. Recommend a multiple of the JPEG iDCT block size for index_thumb_h
+
+[redirect]
+; old project name = new project name
+old-project-name=example-project
+

sites/codesite.example.com/footer.htm

@@ -0,0 +1,6 @@
+<p>
+	<strong>FOOTER</strong>
+</p>
+<p>
+	Content here.
+</p>

sites/codesite.example.com/header.htm

@@ -0,0 +1 @@
+<h1>HEADER</h1>

sites/codesite.example.com/homepage_blurb.htm

@@ -0,0 +1,14 @@
+
+<p>
+	Homepage blurb goes here.
+</p>
+
+<p>
+	<select id="sortorder" style="float:right;">
+		<option value="a">Youngest project first</option>
+		<option value="b">Recent updates first</option>
+		<option value="c">Alphabetical</option>
+	</select>
+	
+	<strong>PROJECTS</strong>
+</p>

sites/codesite.example.com/static/style.css

@@ -0,0 +1,161 @@
+/* style.css */
+
+html {
+	overflow-y:scroll; /* always display scrollbar to prevent horizontal lurch */
+}
+img {
+	border:0;
+}
+a {
+	color:black;
+	text-decoration:underline;
+}
+a:hover {
+	color:blue;
+	cursor:pointer;
+}
+h1 a {
+	text-decoration:none;
+}
+h1 a:hover {
+	color:black;
+}
+h1,h2,h3 {
+	margin-top:0;
+}
+.code {
+	background: #F8F8F8;
+	font-family:Consolas,monospace;
+}
+
+/* */
+
+html, body {
+	/* structural */
+	height:100%;
+	margin:0;
+	border:0;
+	padding:0;
+	
+	/* cosmetic */
+	font-family:"Helvetica Neue","Segoe UI",Arial,sans-serif;
+	font-size:12px;
+	background:#DDD url('pixel_weave.png');	/* thanks subtlepatterns.com ! */
+	color:#333;
+}
+
+#container {
+	margin:0 auto;
+	width:768px;
+	position:relative;
+	
+	height:auto !important;
+	height:100%; /* oldIE */
+	min-height:100%;
+	
+	/* cosmetic */
+	background:white;
+}
+
+#content {
+	padding:14px;
+	background:white;
+}
+
+/* */
+
+.tag::before {
+	content:"";
+		
+	display:inline-block;
+	width:7px;
+	height:7px;
+	
+	margin-right:2px;
+	
+	background:transparent url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAYAAADEUlfTAAAAZUlEQVQI12P4//8/Awyrqqp6KSkp/QdhFRWV7cgS+kDBN0B8RVlZuRikACahB+T8ger6BMTXwJJAiTwg4xvMOCj+ART3ZwCa3YYm8QcopgsyEWasDVT3W5AVMHcgO6gViNORXQ8A84NToxbSsJcAAAAASUVORK5CYII=') no-repeat 0 0;
+}
+
+.tag-filter-warn {
+	position:fixed;
+	top:0;
+	right:0;
+	
+	padding:4px;
+	
+	background:lightyellow;
+	border-bottom: 1px solid #888;
+	border-left:1px solid #888;
+}
+
+/* */
+
+.projtable {
+	border-collapse: collapse;
+	width:100%;
+}
+.projtable tr {	
+	transition:0.2s linear;
+}
+.projtable tr:hover {
+	background:#F8F8F8;
+}
+.projtable td {
+	padding: 2px 4px;
+}
+.projtable small {
+	color:grey;
+	font-style:italic;
+}
+.projtable tr td:first-child {
+	width:95px;
+}
+
+.projinfo {
+	position:relative;
+}
+.projbody {
+	position:absolute;
+	left:0;
+}
+.projbody_halfw {
+	right: 74px;
+}
+.projbody_fullw {
+	right:0;
+}
+.projimg {
+	position:absolute;
+	right:0;
+	
+	width:62px;	/* 60px + 2px border */
+}
+
+/* */
+
+.homeimage {
+	width:90px;
+	height:32px;
+}
+
+.homeimage-sprite {
+	background: white url('logos.jpg') no-repeat 0 0;
+}
+
+.thumbimage {
+	width:60px;
+	height:60px;
+	opacity: 0.8;
+	transition:0.2s opacity;
+	border:1px solid lightgrey;
+}
+.thumbimage:hover {
+	opacity:1.0;
+}
+
+.no-image {
+	width:90px;
+	height:32px;
+	display:block;
+	background: white url('no_image.png') no-repeat 0 0;
+}

static_global/site.js

@@ -33,14 +33,65 @@
 	};
 
 	var get_show_tag = function(tag) {
-		return function() { show_tag(tag); return false; };
+		return function() {
+			show_tag(tag);
+			return false;
+		};
 	};
 
+	var sort_rows = function(cb) {
+		var tr = document.querySelectorAll(".projtable tr");
+		var items = [];
+		for (var i = 0, e = tr.length; i !== e; ++i) {
+			items.push([i, cb(tr[i])]);
+		}
+		items.sort(function(a, b) {
+			return (a[1] - b[1]);
+		});
+		for (var i = 0, e = items.length; i !== e; ++i) {
+			var el = tr[items[i][0]];
+			var parent = el.parentElement;
+			parent.removeChild(el);
+			parent.appendChild(el);
+		}
+	};
+	
+	var sort_update = function() {
+		var cb;
+		switch(document.getElementById('sortorder').value) {
+			case 'a':
+			default: {
+				cb = function(el) {
+					return el.getAttribute('data-sort-ct');
+				};
+			} break;
+			
+			case 'b': {
+				cb = function(el) {
+					return el.getAttribute('data-sort-mt');
+				}
+			} break;
+			
+			case 'c': {
+				cb = function(el) {
+					return el.getAttribute('data-sort-al');
+				}
+			} break;
+		};
+		sort_rows(cb);
+	};
+	
 	window.addEventListener('load', function() {
 		var taglinks = document.querySelectorAll(".tag-link");
 		for (var i = 0, e = taglinks.length; i !== e; ++i) {
 			var tag = taglinks[i].getAttribute("data-tag");
 			taglinks[i].addEventListener('click', get_show_tag(tag));
 		}
+		
+		var so = document.getElementById('sortorder');
+		if (so) {
+			so.addEventListener('change', sort_update);
+			sort_update();
+		}
 	});
-})();
+})();