From a587ad4ed1867743ea9e698f98a156f4f763e86a Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Sat, 3 Oct 2009 18:53:57 +0000
Subject: added plugin hook for image links - allows people to do creative
 things

---
 docs/extending_tidypics.txt    |  1 +
 views/default/object/image.php | 17 +++++++++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/docs/extending_tidypics.txt b/docs/extending_tidypics.txt
index 916cfa4ee..58fba6721 100644
--- a/docs/extending_tidypics.txt
+++ b/docs/extending_tidypics.txt
@@ -28,6 +28,7 @@ different css elements and where they are used.
     'tp_watermark', 'gd' 
     'tp_watermark', 'imagick'
     'tp_watermark', 'imagemagick'
+3. image link: 'tp_image_link', 'image' - return false for no link or a url otherwise - params passed to this will porbably change in 1.7
     
     
 *** IMAGE MENU EXTENSIONS ***
diff --git a/views/default/object/image.php b/views/default/object/image.php
index ae652fdfd..01beb25f6 100644
--- a/views/default/object/image.php
+++ b/views/default/object/image.php
@@ -146,15 +146,24 @@
 		</div>
 		<div id="tidypics_image_wrapper">
 			<?php
-				if (get_plugin_setting('download_link', 'tidypics') != "disabled") {  
+				// this code controls whether the photo is a hyperlink or not and what it links to 
+				$image_link = false;
+				if (get_plugin_setting('download_link', 'tidypics') != "disabled") {
+					// admin allows downloads so default to download link
 					$ts = time();
 					$token = generate_action_token($ts);
-					$download_url = $vars['url'] . "action/tidypics/download?file_guid=" . $image_guid . "&amp;view=inline&amp;__elgg_token={$token}&__elgg_ts={$ts}";
-					echo "<a href=\"{$download_url}\" title=\"{$title}\"><img id=\"tidypics_image\"  src=\"{$vars['url']}mod/tidypics/thumbnail.php?file_guid={$image_guid}&amp;size=large\" alt=\"{$title}\" /></a>";
+					$image_link = $vars['url'] . "action/tidypics/download?file_guid=" . $image_guid . "&amp;view=inline&amp;__elgg_token={$token}&__elgg_ts={$ts}";
+				}
+				// does any plugin want to override the link
+				$image_link = trigger_plugin_hook('tp_image_link', 'image', $image, $image_link); 				
+				// add link if set
+				if ($image_link) {
+					echo "<a href=\"{$image_link}\" title=\"{$title}\"><img id=\"tidypics_image\"  src=\"{$vars['url']}mod/tidypics/thumbnail.php?file_guid={$image_guid}&amp;size=large\" alt=\"{$title}\" /></a>";
 				} else {
+					// no link for this image
 					echo "<img id=\"tidypics_image\"  src=\"{$vars['url']}mod/tidypics/thumbnail.php?file_guid={$image_guid}&amp;size=large\" alt=\"{$title}\" />";
 				}
-			?>
+				?>
 			<div class="clearfloat"></div>
 		</div>
 <?php
-- 
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