// ==UserScript==
// @name          Fix Snippet's Plain/Highlighted Text link
// @author        Andy Harrison
// @namespace     http://dragonzreef.com/greasemonkey/snipplr_plainhighlighted.user.js
// @description   When viewing a snippet, fixes the Plain/Highligted Text link to go to the version you're looking at instead of the latest version.
// @include       http://snipplr.com/view*
// ==/UserScript==

window.addEventListener("load", function()
	{
		var viewbar = document.getElementById("viewsource");
		if(!viewbar) return;
		var a = viewbar.getElementsByTagName("a");
		for(var i=0; i<a.length; i++)
		{
			if(a[i].innerHTML == "Plain Text")
			{
				a[i].href += document.location.href.replace(/^http:\/\/snipplr.com\/view\/\d+(\.\d+).*$|.*/,"$1");
				return;
			}
			else if(a[i].innerHTML == "Highlighted Text")
			{
				var vers = document.location.href.replace(/^http:\/\/snipplr.com\/view.php\?([^#]*&)*?id=\d+(\.\d+).*$|.*/,"$2");
				a[i].href = a[i].href.replace(/^(http:\/\/snipplr.com\/view\/\d+)(.*)$/, "$1"+vers+"$2");
				return;
			}
		}
	}, false);

// ==UserScript==
// @name          Fix Snippet's Plain/Highlighted Text link
// @author        Andy Harrison
// @namespace     http://dragonzreef.com/greasemonkey/snipplr_plainhighlighted.user.js
// @description   When viewing a snippet, fixes the Plain/Highligted Text link to go to the version you're looking at instead of the latest version.
// @include       http://snipplr.com/view*
// ==/UserScript==

fixViewbarLink();

function fixViewbarLink()
{
	var viewbar = document.getElementById("viewsource");
	if(!viewbar) return;
	var toggle = getDescendantsByPath(viewbar, "div.sourcenav span.rgt a")[0];
	if(!toggle) return;
	var here = document.location.href;
	var rxp = /^http:\/\/snipplr\.com\/view\/([0-9.]+)\//i;
	var snippetID;
	if(rxp.test(here))
	{
		snippetID = here.replace(rxp, "$1");
		//fix Plain Text link
		toggle.href = "http://snipplr.com/view.php?codeview&id="+snippetID;
	}
	else
	{
		rxp = /^http:\/\/snipplr\.com\/view\.php\?codeview&id=([0-9.]+)/i;
		if(!rxp.test(here)) return;
		snippetID = here.replace(rxp, "$1");
		//fix Highlighted Text link
		toggle.href = "http://snipplr.com/view/"+snippetID+"/";
	}
}



//***** DOM traversal functions ***//

function getChildElements(obj)
{
	var children = obj.childNodes;
	var elems = [];
	if(children)
	{
		for(var i=0; i<children.length; i++)
		{
			if(children[i].nodeType == document.ELEMENT_NODE)	//it's an element node
			{
				elems.push(children[i]);
			}
		}
	}
	return elems;
}

//get elements with a path such as "div.class1 span.class2a.class2b * .class3"
function getDescendantsByPath(obj, path)
{
	var results = [];
	
	if(!path) return results;
	var node = path.split(" ")[0];
	path = path.slice(node.length+1);
	var attrs = node.split(".");
	if(!attrs) return results;
	
	var elems = getChildElements(obj);
	var rexp;
	var j;
	for(var i=0; i<elems.length; i++)
	{
		if(attrs[0] && attrs[0] != "*" && elems[i].nodeName.toLowerCase() != attrs[0]) continue;	//if a tag name was specified but it doesn't match
		for(j=1; j<attrs.length; j++)
		{
			if(!attrs[j]) continue;
			rexp = new RegExp("(^|\\s)"+attrs[j]+"(\\s|$)");
			if(!rexp.test(elems[i].className)) break;	//one of the classes was not found
		}
		if(j == attrs.length)	//if elems[i].className includes all the classes
		{
			if(path)	//if there is more to the path
				results = results.concat(getDescendantsByPath(elems[i], path));
			else
				results.push(elems[i]);
		}
	}
	return results;
}

// ==UserScript==
// @name          Fix Snippet's Plain/Highlighted Text link
// @author        Andy Harrison
// @namespace     http://dragonzreef.com/namespace/snipplr_fixviewbarlink
// @description   When viewing a snippet, fixes the Plain/Highligted Text link to go to the version you're looking at instead of the latest version.
// @include       http://snipplr.com/view*
// ==/UserScript==

fixViewbarLink();

function fixViewbarLink()
{
	var viewbar = document.getElementById("viewsource");
	if(!viewbar) return;
	var toggle = getDescendantsByPath(viewbar, "div.sourcenav span.rgt a")[0];
	if(!toggle) return;
	var here = document.location.href;
	var rxp = /^http:\/\/snipplr\.com\/view\/([0-9.]+)\//i;
	var snippetID;
	if(rxp.test(here))
	{
		snippetID = here.replace(rxp, "$1");
		//fix Plain Text link
		toggle.href = "http://snipplr.com/view.php?codeview&id="+snippetID;
	}
	else
	{
		rxp = /^http:\/\/snipplr\.com\/view\.php\?codeview&id=([0-9.]+)/i;
		if(!rxp.test(here)) return;
		snippetID = here.replace(rxp, "$1");
		//fix Highlighted Text link
		toggle.href = "http://snipplr.com/view/"+snippetID+"/";
	}
}



//***** DOM traversal functions ***//

function getChildElements(obj)
{
	var children = obj.childNodes;
	var elems = [];
	if(children)
	{
		for(var i=0; i<children.length; i++)
		{
			if(children[i].nodeType == document.ELEMENT_NODE)	//it's an element node
			{
				elems.push(children[i]);
			}
		}
	}
	return elems;
}

//get elements with a path such as "div.class1 span.class2a.class2b * .class3"
function getDescendantsByPath(obj, path)
{
	var results = [];
	
	if(!path) return results;
	var node = path.split(" ")[0];
	path = path.slice(node.length+1);
	var attrs = node.split(".");
	if(!attrs) return results;
	
	var elems = getChildElements(obj);
	var rexp;
	var j;
	for(var i=0; i<elems.length; i++)
	{
		if(attrs[0] && attrs[0] != "*" && elems[i].nodeName.toLowerCase() != attrs[0]) continue;	//if a tag name was specified but it doesn't match
		for(j=1; j<attrs.length; j++)
		{
			if(!attrs[j]) continue;
			rexp = new RegExp("(^|\\s)"+attrs[j]+"(\\s|$)");
			if(!rexp.test(elems[i].className)) break;	//one of the classes was not found
		}
		if(j == attrs.length)	//if elems[i].className includes all the classes
		{
			if(path)	//if there is more to the path
				results = results.concat(getDescendantsByPath(elems[i], path));
			else
				results.push(elems[i]);
		}
	}
	return results;
}

When you're viewing an older version of a snippet, the Plain Text and Highlighted Text links point back to the latest version.  This greasemonkey script fixes those links to point to the version you're currently viewing.

Snipplr Plain/Highlighted Text Greasemonkey Script

javascript

JavaScript