From 7dd04a84ab530ef572df3b0df4fa444271f78c7e Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Mon, 3 Feb 2020 10:22:56 +0100
Subject: Add ability to see description on list.php

---
 list.php | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'list.php')

diff --git a/list.php b/list.php
index b942fa6..90e6084 100644
--- a/list.php
+++ b/list.php
@@ -55,7 +55,7 @@ foreach ($events as $event){
 		echo ' to '.date ('j M',strtotime ($event['end_date']));
 	echo '</td>';
 	echo '<td>'.htmlspecialchars ($event['location']).'</td>';
-	echo '<td>'.htmlspecialchars ($event['title']).'</td>';
+	echo '<td><span class="title-link" title="Click for details" onclick="expand_or_collapse(this,'.$event['id'].');">'.htmlspecialchars ($event['title']).'</span></td>';
 	foreach ($event['keywords'] as $i => $kw){
 		if (!is_null ($selected_keywords) && !in_array ($kw,$selected_keywords))
 			$event['keywords'][$i]='<span class="filtered-keyword">'.htmlspecialchars ($kw).'</span>';
@@ -84,6 +84,33 @@ function check_all_keywords (check)
 	return false;
 }
 
+function expand_or_collapse (elem,id)
+{
+	if (elem.parentNode.childNodes.length > 1){
+		let p=elem.parentNode.childNodes[1];
+		p.style.display=p.style.display=='none' ? 'block' : 'none';
+		return;
+	}
+
+	var xhttp=new XMLHttpRequest();
+	xhttp.onreadystatechange=function(){
+		if (this.readyState!=4)
+			return;
+		if (this.status!=200){
+			window.alert ('Failed to fetch event information ('+this.status+')');
+			return;
+		}
+
+		let ev=JSON.parse (xhttp.responseText);
+		let p=document.createElement ('p');
+		p.classList.add ('description');
+		p.innerHTML=ev.description;
+		elem.parentNode.appendChild (p);
+	};
+	xhttp.open ('GET','event.php?id='+id,true);
+	xhttp.send();
+}
+
 update_keywords_field();
 checkboxes.map (cb => cb.onchange=update_keywords_field);
 </script>
-- 
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