https://theclergydatabase.org.uk/wp-content/plugins/collapse-page-…/collapse-page-category-plugin.js

1/*
2Plugin Name: Collapse Page and Category Plugin
3Plugin URI: http://www.BlogsEye.com/
4Description: Uses Javascript to collapse children on Pages and Categories or any List that uses the css class 'children'
5Version: 1.5
6Author: Keith P. Graham
7Author URI: http://www.BlogsEye.com/
8
9This software is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12*/
13	function kpg_colpage_context(event) {
14		var ev=event||window.event;
15		var targ=ev.srcElement||ev.target;
16		var nodes=targ.parentNode.childNodes;
17		for (var i = 0; i < nodes.length; i++) {
18			if (nodes[i].className=="children") {
19				if (nodes[i].style.display=="none") {
20					nodes[i].style.display="block";
21					nodes[i].style.visibility="visible";
22					if(ev.stopPropagation) {ev.stopPropagation();}
23					ev.cancelBubble = true;
24					targ.innerHTML='&#9651;&nbsp;'
25					targ.id='ktriangledn';
26					return false;
27				} else {
28					nodes[i].style.visibility="hidden";
29					nodes[i].style.display="none";
30					if(ev.stopPropagation) {ev.stopPropagation();}
31					ev.cancelBubble = true;
32					targ.innerHTML='&#9661;&nbsp;'
33					targ.id='ktriangleup';
34					return false;
35				}
36			}
37		}
38		return false;
39	}
40	function kpg_colpage_action(event) {
41	    var clicker='<a href="#" class="expand" onclick="return kpg_colpage_context(event);">&#9661;&nbsp;</a>';
42		// right triangle is &#9657;
43		// filed triangles are one less than open ones.
44		try {
45			var b=document.getElementsByTagName("UL"); // case sensitive XML
46			for (var i=0;i<b.length;i++) {
47				// make parent clickable and the child no display
48				if (b[i].className=="children") {
49					// search for parent li - check a few times incase the ul tags are heavily formatted
50					var p=b[i].parentNode;
51					b[i].style.visibility="hidden";
52					b[i].style.display="none";
53					// set the p object with a character before with a click item attached to it.
54					p.innerHTML=clicker+p.innerHTML;
55					// code thanks to Jette!!
56					var m = p.className.match(/current_page_/);
57					if (m !=null) {
58						b[i].style.visibility="visible";
59						b[i].style.display="block";
60					}
61				}
62			}
63		} catch (ee) {}
64	}
65	if (!document.all) {
66		HTMLElement.prototype.click = function() {
67			var evt = this.ownerDocument.createEvent('MouseEvents');
68			evt.initMouseEvent('click', true, true, this.ownerDocument.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
69			this.dispatchEvent(evt);
70		} 
71	}
72	// set the onload event
73	if (document.addEventListener) {
74		document.addEventListener("DOMContentLoaded", function(event) { kpg_colpage_action(event); }, false);
75	} else if (window.attachEvent) {
76		window.attachEvent("onload", function(event) { kpg_colpage_action(event); });
77	} else {
78		var oldFunc = window.onload;
79		window.onload = function() {
80			if (oldFunc) {
81				oldFunc();
82			}
83				kpg_colpage_action('load');
84			};
85	}