From bb4fef295631d089240c09898411e656ab90e737 Mon Sep 17 00:00:00 2001
From: Andreas Unterkircher <unki@netshadow.at>
Date: Fri, 25 Apr 2008 19:59:11 +0200
Subject: issue117, auto-scroll photo-index if thumbnails are out of sight
after a page-refresh
Signed-off-by: Andreas Unterkircher <unki@netshadow.at>
---
themes/default/templates/photo_index.tpl | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/themes/default/templates/photo_index.tpl b/themes/default/templates/photo_index.tpl
index bf235d3..82f4959 100644
--- a/themes/default/templates/photo_index.tpl
+++ b/themes/default/templates/photo_index.tpl
@@ -103,18 +103,48 @@
<br class="clearboth" />
<script type="text/javascript" language="JavaScript">
<!--
+ /*** image preloading ***/
{ counter start=-1 }
var current;
var image_urls = new Array();
+ var last_thumb;
{section name="thumb" loop=$thumbs step=1}
{if $images[thumb] }
image_urls[{counter}] = 'phpfspot_img.php?idx={$images[thumb]}&width={$width}';
+ last_thumb = {$images[thumb]};
{/if}
{/section}
preloadPhotos(image_urls);
+
+ // auto-scroll
+ //
+ // if browser is to far down the page, that he can't see the photo at all
+ // scroll it up so that at least the last photo becomes visisble.
+ { literal }
+
+ var ywnd = 0;
+ var yimg = 0;
+ // check where we are with the browser
+ if (window.pageYOffset) {
+ ywnd = window.pageYOffset;
+ } else if (document.body && document.body.scrollTop) {
+ ywnd = document.body.scrollTop;
+ }
+ // check the y-pos of the last thumbnail
+ if(thumbimg = document.getElementById('thumbimg' + last_thumb)) {
+ yimg = findPos(thumbimg,'top');
+ }
+ // if the browser-window is scrolled further then the last_thumb, scroll back
+ if(ywnd > yimg) {
+ window.scrollTo(0, yimg-100);
+ }
+
+ { /literal }
+ // auto-scroll
+
-->
</script>
<!-- /Photo Index -->
--
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