X-Git-Url: http://git.shiar.net/minimedit.git/blobdiff_plain/25b7f8464704469cc4641bbb096c11f548b5a153..d3ed59c2753c2babd5aa9a1c5e0109c644904ba8:/widget/doclist.php

diff --git a/widget/doclist.php b/widget/doclist.php
index 2d85884..589c8d6 100644
--- a/widget/doclist.php
+++ b/widget/doclist.php
@@ -6,37 +6,58 @@ foreach (glob("$Page$Args/2*") as $url) {
 	$link = preg_replace('/\.html$/', '', $url);
 	$name = pathinfo($link, PATHINFO_BASENAME);
 	@list ($date, $suffix) = explode('.', $name, 2);
-	if (!filesize($url)) {
-		$cal[$date] = [];
+	$group = substr($date, 0, 4);
+	if (!isset($cal[$group][$date])) {
+		$cal[$group][$date] = [];
 	}
-	else {
-		$cal[$date][$suffix] = $link;
+	if (!is_dir($url) and filesize($url)) {
+		$cal[$group][$date][$suffix] = $link;
 	}
 }
 
-$mindate = strtotime($date);
+$year = 3600 * 24 * 365;  # seconds per year
+$scale = 7;  # em width per year
+$mindate = max(time(), strtotime($date) + ($year / $scale * 3));  # at least last entry plus 3em for centered text
+$length = ($mindate - strtotime(key(current($cal)))) / $year * $scale;  # earliest entry position
 
-print '<ul class="timeline">'."\n";
-foreach (array_reverse($cal) as $title => $versions) {
-	$time = ($mindate - strtotime($title)) / (3600 * 24 * 365 / 8); # ~8em/yr
-	printf('<li style="left:%.1fem">', $time);
-	if ($url = @$versions['']) {
-		printf('<a href="/%s">%s</a>', $url, $title);
+printf('<ul class="timeline" style="background-size:%.1fem">'."\n", $length);
+foreach (array_reverse($cal, TRUE) as $group => $rows) {
+	if (count($rows) > 1) {
+		$time = ($mindate - strtotime("$group-12-31T23:59")) / $year * $scale;
+		printf('<li class="range" style="left:%.1fem; width:%.1fem">',
+			$time, $time + $scale > $length ? $length - $time + 2 : $scale
+		);
+		print "<strong>$group</strong><ul>\n";
 	}
 	else {
-		print '<span>';
-		print $title;
-		if ($versions and $User->admin("edit $Page$Args")) {
-			printf(' (%s)', implode(', ', array_map(
-				function ($format, $url) {
-					return sprintf('<a href="/%s">%s</a>', $url, $format);
-				},
-				array_keys($versions), $versions)
-			));
+		$time = 0;
+	}
+
+	foreach ($rows as $title => $versions) {
+		$subtime = ($mindate - strtotime($title)) / $year * $scale - $time;
+		printf('<li style="left:%.1fem">', $subtime);
+		if ($url = @$versions['']) {
+			printf('<a href="/%s">%s</a>', $url, $title);
 		}
-		print '</span>';
+		else {
+			print '<span>';
+			print $title;
+			if ($versions and $User->admin("edit $Page$Args")) {
+				printf(' (%s)', implode(', ', array_map(
+					function ($format, $url) {
+						return sprintf('<a href="/%s">%s</a>', $url, $format);
+					},
+					array_keys($versions), $versions
+				)));
+			}
+			print '</span>';
+		}
+		print "</li>\n";
+	}
+
+	if (count($rows) > 1) {
+		print "</ul></li>\n";
 	}
-	print "</li>\n";
 }
 print "</ul>\n\n";